From ccfd69883ab93889ca985c89086381bfc4050b61 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 1 Dec 2018 19:00:15 +0100 Subject: [PATCH 01/47] dma: add bcm6348-iudma support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit BCM6348 IUDMA controller is present on multiple BMIPS (BCM63xx) SoCs. Signed-off-by: Álvaro Fernández Rojas Reviewed-by: Daniel Schwierzeck --- drivers/dma/Kconfig | 9 + drivers/dma/Makefile | 1 + drivers/dma/bcm6348-iudma.c | 642 ++++++++++++++++++++++++++++++++++++ 3 files changed, 652 insertions(+) create mode 100644 drivers/dma/bcm6348-iudma.c diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig index 8a4162eccdb..1820676d7a1 100644 --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -26,6 +26,15 @@ config SANDBOX_DMA Enable support for a test DMA uclass implementation. It stimulates DMA transfer by simple copying data between channels. +config BCM6348_IUDMA + bool "BCM6348 IUDMA driver" + depends on ARCH_BMIPS + select DMA_CHANNELS + help + Enable the BCM6348 IUDMA driver. + This driver support data transfer from devices to + memory and from memory to devices. + config TI_EDMA3 bool "TI EDMA3 driver" help diff --git a/drivers/dma/Makefile b/drivers/dma/Makefile index aff31f986a1..b5f9147e0a5 100644 --- a/drivers/dma/Makefile +++ b/drivers/dma/Makefile @@ -7,6 +7,7 @@ obj-$(CONFIG_DMA) += dma-uclass.o obj-$(CONFIG_FSLDMAFEC) += MCD_tasksInit.o MCD_dmaApi.o MCD_tasks.o obj-$(CONFIG_APBH_DMA) += apbh_dma.o +obj-$(CONFIG_BCM6348_IUDMA) += bcm6348-iudma.o obj-$(CONFIG_FSL_DMA) += fsl_dma.o obj-$(CONFIG_SANDBOX_DMA) += sandbox-dma-test.o obj-$(CONFIG_TI_KSNAV) += keystone_nav.o keystone_nav_cfg.o diff --git a/drivers/dma/bcm6348-iudma.c b/drivers/dma/bcm6348-iudma.c new file mode 100644 index 00000000000..1d3c192cfe5 --- /dev/null +++ b/drivers/dma/bcm6348-iudma.c @@ -0,0 +1,642 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018 Álvaro Fernández Rojas + * + * Derived from linux/drivers/dma/bcm63xx-iudma.c: + * Copyright (C) 2015 Simon Arlott + * + * Derived from linux/drivers/net/ethernet/broadcom/bcm63xx_enet.c: + * Copyright (C) 2008 Maxime Bizon + * + * Derived from bcm963xx_4.12L.06B_consumer/shared/opensource/include/bcm963xx/63268_map_part.h: + * Copyright (C) 2000-2010 Broadcom Corporation + * + * Derived from bcm963xx_4.12L.06B_consumer/bcmdrivers/opensource/net/enet/impl4/bcmenet.c: + * Copyright (C) 2010 Broadcom Corporation + */ + +#include +#include +#include +#include +#include +#include +#include + +#define DMA_RX_DESC 6 +#define DMA_TX_DESC 1 + +/* DMA Channels */ +#define DMA_CHAN_FLOWC(x) ((x) >> 1) +#define DMA_CHAN_MAX 16 +#define DMA_CHAN_SIZE 0x10 +#define DMA_CHAN_TOUT 500 + +/* DMA Global Configuration register */ +#define DMA_CFG_REG 0x00 +#define DMA_CFG_ENABLE_SHIFT 0 +#define DMA_CFG_ENABLE_MASK (1 << DMA_CFG_ENABLE_SHIFT) +#define DMA_CFG_FLOWC_ENABLE(x) BIT(DMA_CHAN_FLOWC(x) + 1) +#define DMA_CFG_NCHANS_SHIFT 24 +#define DMA_CFG_NCHANS_MASK (0xf << DMA_CFG_NCHANS_SHIFT) + +/* DMA Global Flow Control registers */ +#define DMA_FLOWC_THR_LO_REG(x) (0x04 + DMA_CHAN_FLOWC(x) * 0x0c) +#define DMA_FLOWC_THR_HI_REG(x) (0x08 + DMA_CHAN_FLOWC(x) * 0x0c) +#define DMA_FLOWC_ALLOC_REG(x) (0x0c + DMA_CHAN_FLOWC(x) * 0x0c) +#define DMA_FLOWC_ALLOC_FORCE_SHIFT 31 +#define DMA_FLOWC_ALLOC_FORCE_MASK (1 << DMA_FLOWC_ALLOC_FORCE_SHIFT) + +/* DMA Global Reset register */ +#define DMA_RST_REG 0x34 +#define DMA_RST_CHAN_SHIFT 0 +#define DMA_RST_CHAN_MASK(x) (1 << x) + +/* DMA Channel Configuration register */ +#define DMAC_CFG_REG(x) (DMA_CHAN_SIZE * (x) + 0x00) +#define DMAC_CFG_ENABLE_SHIFT 0 +#define DMAC_CFG_ENABLE_MASK (1 << DMAC_CFG_ENABLE_SHIFT) +#define DMAC_CFG_PKT_HALT_SHIFT 1 +#define DMAC_CFG_PKT_HALT_MASK (1 << DMAC_CFG_PKT_HALT_SHIFT) +#define DMAC_CFG_BRST_HALT_SHIFT 2 +#define DMAC_CFG_BRST_HALT_MASK (1 << DMAC_CFG_BRST_HALT_SHIFT) + +/* DMA Channel Max Burst Length register */ +#define DMAC_BURST_REG(x) (DMA_CHAN_SIZE * (x) + 0x0c) + +/* DMA SRAM Descriptor Ring Start register */ +#define DMAS_RSTART_REG(x) (DMA_CHAN_SIZE * (x) + 0x00) + +/* DMA SRAM State/Bytes done/ring offset register */ +#define DMAS_STATE_DATA_REG(x) (DMA_CHAN_SIZE * (x) + 0x04) + +/* DMA SRAM Buffer Descriptor status and length register */ +#define DMAS_DESC_LEN_STATUS_REG(x) (DMA_CHAN_SIZE * (x) + 0x08) + +/* DMA SRAM Buffer Descriptor status and length register */ +#define DMAS_DESC_BASE_BUFPTR_REG(x) (DMA_CHAN_SIZE * (x) + 0x0c) + +/* DMA Descriptor Status */ +#define DMAD_ST_CRC_SHIFT 8 +#define DMAD_ST_CRC_MASK (1 << DMAD_ST_CRC_SHIFT) +#define DMAD_ST_WRAP_SHIFT 12 +#define DMAD_ST_WRAP_MASK (1 << DMAD_ST_WRAP_SHIFT) +#define DMAD_ST_SOP_SHIFT 13 +#define DMAD_ST_SOP_MASK (1 << DMAD_ST_SOP_SHIFT) +#define DMAD_ST_EOP_SHIFT 14 +#define DMAD_ST_EOP_MASK (1 << DMAD_ST_EOP_SHIFT) +#define DMAD_ST_OWN_SHIFT 15 +#define DMAD_ST_OWN_MASK (1 << DMAD_ST_OWN_SHIFT) + +#define DMAD6348_ST_OV_ERR_SHIFT 0 +#define DMAD6348_ST_OV_ERR_MASK (1 << DMAD6348_ST_OV_ERR_SHIFT) +#define DMAD6348_ST_CRC_ERR_SHIFT 1 +#define DMAD6348_ST_CRC_ERR_MASK (1 << DMAD6348_ST_CRC_ERR_SHIFT) +#define DMAD6348_ST_RX_ERR_SHIFT 2 +#define DMAD6348_ST_RX_ERR_MASK (1 << DMAD6348_ST_RX_ERR_SHIFT) +#define DMAD6348_ST_OS_ERR_SHIFT 4 +#define DMAD6348_ST_OS_ERR_MASK (1 << DMAD6348_ST_OS_ERR_SHIFT) +#define DMAD6348_ST_UN_ERR_SHIFT 9 +#define DMAD6348_ST_UN_ERR_MASK (1 << DMAD6348_ST_UN_ERR_SHIFT) + +struct bcm6348_dma_desc { + uint16_t length; + uint16_t status; + uint32_t address; +}; + +struct bcm6348_chan_priv { + void __iomem *dma_ring; + uint8_t dma_ring_size; + uint8_t desc_id; + uint8_t desc_cnt; + bool *busy_desc; + bool running; +}; + +struct bcm6348_iudma_hw { + uint16_t err_mask; +}; + +struct bcm6348_iudma_priv { + const struct bcm6348_iudma_hw *hw; + void __iomem *base; + void __iomem *chan; + void __iomem *sram; + struct bcm6348_chan_priv **ch_priv; + uint8_t n_channels; +}; + +static inline bool bcm6348_iudma_chan_is_rx(uint8_t ch) +{ + return !(ch & 1); +} + +static inline void bcm6348_iudma_fdc(void *ptr, ulong size) +{ + ulong start = (ulong) ptr; + + flush_dcache_range(start, start + size); +} + +static inline void bcm6348_iudma_idc(void *ptr, ulong size) +{ + ulong start = (ulong) ptr; + + invalidate_dcache_range(start, start + size); +} + +static void bcm6348_iudma_chan_stop(struct bcm6348_iudma_priv *priv, + uint8_t ch) +{ + unsigned int timeout = DMA_CHAN_TOUT; + + do { + uint32_t cfg, halt; + + if (timeout > DMA_CHAN_TOUT / 2) + halt = DMAC_CFG_PKT_HALT_MASK; + else + halt = DMAC_CFG_BRST_HALT_MASK; + + /* try to stop dma channel */ + writel_be(halt, priv->chan + DMAC_CFG_REG(ch)); + mb(); + + /* check if channel was stopped */ + cfg = readl_be(priv->chan + DMAC_CFG_REG(ch)); + if (!(cfg & DMAC_CFG_ENABLE_MASK)) + break; + + udelay(1); + } while (--timeout); + + if (!timeout) + pr_err("unable to stop channel %u\n", ch); + + /* reset dma channel */ + setbits_be32(priv->base + DMA_RST_REG, DMA_RST_CHAN_MASK(ch)); + mb(); + clrbits_be32(priv->base + DMA_RST_REG, DMA_RST_CHAN_MASK(ch)); +} + +static int bcm6348_iudma_disable(struct dma *dma) +{ + struct bcm6348_iudma_priv *priv = dev_get_priv(dma->dev); + struct bcm6348_chan_priv *ch_priv = priv->ch_priv[dma->id]; + + /* stop dma channel */ + bcm6348_iudma_chan_stop(priv, dma->id); + + /* dma flow control */ + if (bcm6348_iudma_chan_is_rx(dma->id)) + writel_be(DMA_FLOWC_ALLOC_FORCE_MASK, + DMA_FLOWC_ALLOC_REG(dma->id)); + + /* init channel config */ + ch_priv->running = false; + ch_priv->desc_id = 0; + if (bcm6348_iudma_chan_is_rx(dma->id)) + ch_priv->desc_cnt = 0; + else + ch_priv->desc_cnt = ch_priv->dma_ring_size; + + return 0; +} + +static int bcm6348_iudma_enable(struct dma *dma) +{ + const struct bcm6348_iudma_priv *priv = dev_get_priv(dma->dev); + struct bcm6348_chan_priv *ch_priv = priv->ch_priv[dma->id]; + struct bcm6348_dma_desc *dma_desc = ch_priv->dma_ring; + uint8_t i; + + /* dma ring init */ + for (i = 0; i < ch_priv->desc_cnt; i++) { + if (bcm6348_iudma_chan_is_rx(dma->id)) { + ch_priv->busy_desc[i] = false; + dma_desc->status |= DMAD_ST_OWN_MASK; + } else { + dma_desc->status = 0; + dma_desc->length = 0; + dma_desc->address = 0; + } + + if (i == ch_priv->desc_cnt - 1) + dma_desc->status |= DMAD_ST_WRAP_MASK; + + dma_desc++; + } + + /* init to first descriptor */ + ch_priv->desc_id = 0; + + /* force cache writeback */ + bcm6348_iudma_fdc(ch_priv->dma_ring, + sizeof(*dma_desc) * ch_priv->desc_cnt); + + /* clear sram */ + writel_be(0, priv->sram + DMAS_STATE_DATA_REG(dma->id)); + writel_be(0, priv->sram + DMAS_DESC_LEN_STATUS_REG(dma->id)); + writel_be(0, priv->sram + DMAS_DESC_BASE_BUFPTR_REG(dma->id)); + + /* set dma ring start */ + writel_be(virt_to_phys(ch_priv->dma_ring), + priv->sram + DMAS_RSTART_REG(dma->id)); + + /* set flow control */ + if (bcm6348_iudma_chan_is_rx(dma->id)) { + u32 val; + + setbits_be32(priv->base + DMA_CFG_REG, + DMA_CFG_FLOWC_ENABLE(dma->id)); + + val = ch_priv->desc_cnt / 3; + writel_be(val, priv->base + DMA_FLOWC_THR_LO_REG(dma->id)); + + val = (ch_priv->desc_cnt * 2) / 3; + writel_be(val, priv->base + DMA_FLOWC_THR_HI_REG(dma->id)); + + writel_be(0, priv->base + DMA_FLOWC_ALLOC_REG(dma->id)); + } + + /* set dma max burst */ + writel_be(ch_priv->desc_cnt, + priv->chan + DMAC_BURST_REG(dma->id)); + + /* kick rx dma channel */ + if (bcm6348_iudma_chan_is_rx(dma->id)) + setbits_be32(priv->chan + DMAC_CFG_REG(dma->id), + DMAC_CFG_ENABLE_MASK); + + /* channel is now enabled */ + ch_priv->running = true; + + return 0; +} + +static int bcm6348_iudma_request(struct dma *dma) +{ + const struct bcm6348_iudma_priv *priv = dev_get_priv(dma->dev); + struct bcm6348_chan_priv *ch_priv; + + /* check if channel is valid */ + if (dma->id >= priv->n_channels) + return -ENODEV; + + /* alloc channel private data */ + priv->ch_priv[dma->id] = calloc(1, sizeof(struct bcm6348_chan_priv)); + if (!priv->ch_priv[dma->id]) + return -ENOMEM; + ch_priv = priv->ch_priv[dma->id]; + + /* alloc dma ring */ + if (bcm6348_iudma_chan_is_rx(dma->id)) + ch_priv->dma_ring_size = DMA_RX_DESC; + else + ch_priv->dma_ring_size = DMA_TX_DESC; + + ch_priv->dma_ring = + malloc_cache_aligned(sizeof(struct bcm6348_dma_desc) * + ch_priv->dma_ring_size); + if (!ch_priv->dma_ring) + return -ENOMEM; + + /* init channel config */ + ch_priv->running = false; + ch_priv->desc_id = 0; + if (bcm6348_iudma_chan_is_rx(dma->id)) { + ch_priv->desc_cnt = 0; + ch_priv->busy_desc = calloc(ch_priv->desc_cnt, sizeof(bool)); + } else { + ch_priv->desc_cnt = ch_priv->dma_ring_size; + ch_priv->busy_desc = NULL; + } + + return 0; +} + +static int bcm6348_iudma_receive(struct dma *dma, void **dst, void *metadata) +{ + const struct bcm6348_iudma_priv *priv = dev_get_priv(dma->dev); + const struct bcm6348_iudma_hw *hw = priv->hw; + struct bcm6348_chan_priv *ch_priv = priv->ch_priv[dma->id]; + struct bcm6348_dma_desc *dma_desc = dma_desc = ch_priv->dma_ring; + int ret; + + /* get dma ring descriptor address */ + dma_desc += ch_priv->desc_id; + + /* invalidate cache data */ + bcm6348_iudma_idc(dma_desc, sizeof(*dma_desc)); + + /* check dma own */ + if (dma_desc->status & DMAD_ST_OWN_MASK) + return -EAGAIN; + + /* check pkt */ + if (!(dma_desc->status & DMAD_ST_EOP_MASK) || + !(dma_desc->status & DMAD_ST_SOP_MASK) || + (dma_desc->status & hw->err_mask)) { + pr_err("invalid pkt received (ch=%ld desc=%u) (st=%04x)\n", + dma->id, ch_priv->desc_id, dma_desc->status); + ret = -EAGAIN; + } else { + /* set dma buffer address */ + *dst = phys_to_virt(dma_desc->address); + + /* invalidate cache data */ + bcm6348_iudma_idc(*dst, dma_desc->length); + + /* return packet length */ + ret = dma_desc->length; + } + + /* busy dma descriptor */ + ch_priv->busy_desc[ch_priv->desc_id] = true; + + /* increment dma descriptor */ + ch_priv->desc_id = (ch_priv->desc_id + 1) % ch_priv->desc_cnt; + + return ret; +} + +static int bcm6348_iudma_send(struct dma *dma, void *src, size_t len, + void *metadata) +{ + const struct bcm6348_iudma_priv *priv = dev_get_priv(dma->dev); + struct bcm6348_chan_priv *ch_priv = priv->ch_priv[dma->id]; + struct bcm6348_dma_desc *dma_desc; + uint16_t status; + + /* flush cache */ + bcm6348_iudma_fdc(src, len); + + /* get dma ring descriptor address */ + dma_desc = ch_priv->dma_ring; + dma_desc += ch_priv->desc_id; + + /* config dma descriptor */ + status = (DMAD_ST_OWN_MASK | + DMAD_ST_EOP_MASK | + DMAD_ST_CRC_MASK | + DMAD_ST_SOP_MASK); + if (ch_priv->desc_id == ch_priv->desc_cnt - 1) + status |= DMAD_ST_WRAP_MASK; + + /* set dma descriptor */ + dma_desc->address = virt_to_phys(src); + dma_desc->length = len; + dma_desc->status = status; + + /* flush cache */ + bcm6348_iudma_fdc(dma_desc, sizeof(*dma_desc)); + + /* kick tx dma channel */ + setbits_be32(priv->chan + DMAC_CFG_REG(dma->id), DMAC_CFG_ENABLE_MASK); + + /* poll dma status */ + do { + /* invalidate cache */ + bcm6348_iudma_idc(dma_desc, sizeof(*dma_desc)); + + if (!(dma_desc->status & DMAD_ST_OWN_MASK)) + break; + } while(1); + + /* increment dma descriptor */ + ch_priv->desc_id = (ch_priv->desc_id + 1) % ch_priv->desc_cnt; + + return 0; +} + +static int bcm6348_iudma_free_rcv_buf(struct dma *dma, void *dst, size_t size) +{ + const struct bcm6348_iudma_priv *priv = dev_get_priv(dma->dev); + struct bcm6348_chan_priv *ch_priv = priv->ch_priv[dma->id]; + struct bcm6348_dma_desc *dma_desc = ch_priv->dma_ring; + uint16_t status; + uint8_t i; + u32 cfg; + + /* get dirty dma descriptor */ + for (i = 0; i < ch_priv->desc_cnt; i++) { + if (phys_to_virt(dma_desc->address) == dst) + break; + + dma_desc++; + } + + /* dma descriptor not found */ + if (i == ch_priv->desc_cnt) { + pr_err("dirty dma descriptor not found\n"); + return -ENOENT; + } + + /* invalidate cache */ + bcm6348_iudma_idc(ch_priv->dma_ring, + sizeof(*dma_desc) * ch_priv->desc_cnt); + + /* free dma descriptor */ + ch_priv->busy_desc[i] = false; + + status = DMAD_ST_OWN_MASK; + if (i == ch_priv->desc_cnt - 1) + status |= DMAD_ST_WRAP_MASK; + + dma_desc->status |= status; + dma_desc->length = PKTSIZE_ALIGN; + + /* tell dma we allocated one buffer */ + writel_be(1, DMA_FLOWC_ALLOC_REG(dma->id)); + + /* flush cache */ + bcm6348_iudma_fdc(ch_priv->dma_ring, + sizeof(*dma_desc) * ch_priv->desc_cnt); + + /* kick rx dma channel if disabled */ + cfg = readl_be(priv->chan + DMAC_CFG_REG(dma->id)); + if (!(cfg & DMAC_CFG_ENABLE_MASK)) + setbits_be32(priv->chan + DMAC_CFG_REG(dma->id), + DMAC_CFG_ENABLE_MASK); + + return 0; +} + +static int bcm6348_iudma_add_rcv_buf(struct dma *dma, void *dst, size_t size) +{ + const struct bcm6348_iudma_priv *priv = dev_get_priv(dma->dev); + struct bcm6348_chan_priv *ch_priv = priv->ch_priv[dma->id]; + struct bcm6348_dma_desc *dma_desc = ch_priv->dma_ring; + + /* no more dma descriptors available */ + if (ch_priv->desc_cnt == ch_priv->dma_ring_size) { + pr_err("max number of buffers reached\n"); + return -EINVAL; + } + + /* get next dma descriptor */ + dma_desc += ch_priv->desc_cnt; + + /* init dma descriptor */ + dma_desc->address = virt_to_phys(dst); + dma_desc->length = size; + dma_desc->status = 0; + + /* flush cache */ + bcm6348_iudma_fdc(dma_desc, sizeof(*dma_desc)); + + /* increment dma descriptors */ + ch_priv->desc_cnt++; + + return 0; +} + +static int bcm6348_iudma_prepare_rcv_buf(struct dma *dma, void *dst, + size_t size) +{ + const struct bcm6348_iudma_priv *priv = dev_get_priv(dma->dev); + struct bcm6348_chan_priv *ch_priv = priv->ch_priv[dma->id]; + + /* only add new rx buffers if channel isn't running */ + if (ch_priv->running) + return bcm6348_iudma_free_rcv_buf(dma, dst, size); + else + return bcm6348_iudma_add_rcv_buf(dma, dst, size); +} + +static const struct dma_ops bcm6348_iudma_ops = { + .disable = bcm6348_iudma_disable, + .enable = bcm6348_iudma_enable, + .prepare_rcv_buf = bcm6348_iudma_prepare_rcv_buf, + .request = bcm6348_iudma_request, + .receive = bcm6348_iudma_receive, + .send = bcm6348_iudma_send, +}; + +static const struct bcm6348_iudma_hw bcm6348_hw = { + .err_mask = (DMAD6348_ST_OV_ERR_MASK | + DMAD6348_ST_CRC_ERR_MASK | + DMAD6348_ST_RX_ERR_MASK | + DMAD6348_ST_OS_ERR_MASK | + DMAD6348_ST_UN_ERR_MASK), +}; + +static const struct bcm6348_iudma_hw bcm6368_hw = { + .err_mask = 0, +}; + +static const struct udevice_id bcm6348_iudma_ids[] = { + { + .compatible = "brcm,bcm6348-iudma", + .data = (ulong)&bcm6348_hw, + }, { + .compatible = "brcm,bcm6368-iudma", + .data = (ulong)&bcm6368_hw, + }, { /* sentinel */ } +}; + +static int bcm6348_iudma_probe(struct udevice *dev) +{ + struct dma_dev_priv *uc_priv = dev_get_uclass_priv(dev); + struct bcm6348_iudma_priv *priv = dev_get_priv(dev); + const struct bcm6348_iudma_hw *hw = + (const struct bcm6348_iudma_hw *)dev_get_driver_data(dev); + uint8_t ch; + int i; + + uc_priv->supported = (DMA_SUPPORTS_DEV_TO_MEM | + DMA_SUPPORTS_MEM_TO_DEV); + priv->hw = hw; + + /* dma global base address */ + priv->base = dev_remap_addr_name(dev, "dma"); + if (!priv->base) + return -EINVAL; + + /* dma channels base address */ + priv->chan = dev_remap_addr_name(dev, "dma-channels"); + if (!priv->chan) + return -EINVAL; + + /* dma sram base address */ + priv->sram = dev_remap_addr_name(dev, "dma-sram"); + if (!priv->sram) + return -EINVAL; + + /* get number of channels */ + priv->n_channels = dev_read_u32_default(dev, "dma-channels", 8); + if (priv->n_channels > DMA_CHAN_MAX) + return -EINVAL; + + /* try to enable clocks */ + for (i = 0; ; i++) { + struct clk clk; + int ret; + + ret = clk_get_by_index(dev, i, &clk); + if (ret < 0) + break; + + ret = clk_enable(&clk); + if (ret < 0) { + pr_err("error enabling clock %d\n", i); + return ret; + } + + ret = clk_free(&clk); + if (ret < 0) { + pr_err("error freeing clock %d\n", i); + return ret; + } + } + + /* try to perform resets */ + for (i = 0; ; i++) { + struct reset_ctl reset; + int ret; + + ret = reset_get_by_index(dev, i, &reset); + if (ret < 0) + break; + + ret = reset_deassert(&reset); + if (ret < 0) { + pr_err("error deasserting reset %d\n", i); + return ret; + } + + ret = reset_free(&reset); + if (ret < 0) { + pr_err("error freeing reset %d\n", i); + return ret; + } + } + + /* disable dma controller */ + clrbits_be32(priv->base + DMA_CFG_REG, DMA_CFG_ENABLE_MASK); + + /* alloc channel private data pointers */ + priv->ch_priv = calloc(priv->n_channels, + sizeof(struct bcm6348_chan_priv*)); + if (!priv->ch_priv) + return -ENOMEM; + + /* stop dma channels */ + for (ch = 0; ch < priv->n_channels; ch++) + bcm6348_iudma_chan_stop(priv, ch); + + /* enable dma controller */ + setbits_be32(priv->base + DMA_CFG_REG, DMA_CFG_ENABLE_MASK); + + return 0; +} + +U_BOOT_DRIVER(bcm6348_iudma) = { + .name = "bcm6348_iudma", + .id = UCLASS_DMA, + .of_match = bcm6348_iudma_ids, + .ops = &bcm6348_iudma_ops, + .priv_auto_alloc_size = sizeof(struct bcm6348_iudma_priv), + .probe = bcm6348_iudma_probe, +}; From 9ab403d0dd3c88370612c97f8c4cb88199302833 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 1 Dec 2018 19:00:16 +0100 Subject: [PATCH 02/47] bmips: bcm6338: add bcm6348-iudma support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- arch/mips/dts/brcm,bcm6338.dtsi | 14 ++++++++++++++ include/dt-bindings/dma/bcm6338-dma.h | 14 ++++++++++++++ 2 files changed, 28 insertions(+) create mode 100644 include/dt-bindings/dma/bcm6338-dma.h diff --git a/arch/mips/dts/brcm,bcm6338.dtsi b/arch/mips/dts/brcm,bcm6338.dtsi index bbd58cf803d..990355481c3 100644 --- a/arch/mips/dts/brcm,bcm6338.dtsi +++ b/arch/mips/dts/brcm,bcm6338.dtsi @@ -4,6 +4,7 @@ */ #include +#include #include #include #include "skeleton.dtsi" @@ -130,5 +131,18 @@ reg = <0xfffe3100 0x38>; u-boot,dm-pre-reloc; }; + + iudma: dma-controller@fffe2400 { + compatible = "brcm,bcm6348-iudma"; + reg = <0xfffe2400 0x1c>, + <0xfffe2500 0x60>, + <0xfffe2600 0x60>; + reg-names = "dma", + "dma-channels", + "dma-sram"; + #dma-cells = <1>; + dma-channels = <6>; + resets = <&periph_rst BCM6338_RST_DMAMEM>; + }; }; }; diff --git a/include/dt-bindings/dma/bcm6338-dma.h b/include/dt-bindings/dma/bcm6338-dma.h new file mode 100644 index 00000000000..f2e0b20444d --- /dev/null +++ b/include/dt-bindings/dma/bcm6338-dma.h @@ -0,0 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018 Álvaro Fernández Rojas + * + * Derived from linux/drivers/net/ethernet/broadcom/bcm63xx_enet.c + */ + +#ifndef __DT_BINDINGS_DMA_BCM6338_H +#define __DT_BINDINGS_DMA_BCM6338_H + +#define BCM6338_DMA_ENET_RX 0 +#define BCM6338_DMA_ENET_TX 1 + +#endif /* __DT_BINDINGS_DMA_BCM6338_H */ From c225d6619e440c5e701f0b1317c89c54eaf79bce Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 1 Dec 2018 19:00:17 +0100 Subject: [PATCH 03/47] bmips: bcm6348: add bcm6348-iudma support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- arch/mips/dts/brcm,bcm6348.dtsi | 16 ++++++++++++++++ include/dt-bindings/dma/bcm6348-dma.h | 16 ++++++++++++++++ 2 files changed, 32 insertions(+) create mode 100644 include/dt-bindings/dma/bcm6348-dma.h diff --git a/arch/mips/dts/brcm,bcm6348.dtsi b/arch/mips/dts/brcm,bcm6348.dtsi index cc80bbc808d..875de232ca9 100644 --- a/arch/mips/dts/brcm,bcm6348.dtsi +++ b/arch/mips/dts/brcm,bcm6348.dtsi @@ -4,6 +4,7 @@ */ #include +#include #include #include #include "skeleton.dtsi" @@ -159,5 +160,20 @@ reg = <0xfffe2300 0x38>; u-boot,dm-pre-reloc; }; + + iudma: dma-controller@fffe7000 { + compatible = "brcm,bcm6348-iudma"; + reg = <0xfffe7000 0x1c>, + <0xfffe7100 0x40>, + <0xfffe7200 0x40>; + reg-names = "dma", + "dma-channels", + "dma-sram"; + #dma-cells = <1>; + dma-channels = <4>; + clocks = <&periph_clk BCM6348_CLK_ENET>; + resets = <&periph_rst BCM6348_RST_ENET>, + <&periph_rst BCM6348_RST_DMAMEM>; + }; }; }; diff --git a/include/dt-bindings/dma/bcm6348-dma.h b/include/dt-bindings/dma/bcm6348-dma.h new file mode 100644 index 00000000000..36c2ffd412c --- /dev/null +++ b/include/dt-bindings/dma/bcm6348-dma.h @@ -0,0 +1,16 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018 Álvaro Fernández Rojas + * + * Derived from linux/drivers/net/ethernet/broadcom/bcm63xx_enet.c + */ + +#ifndef __DT_BINDINGS_DMA_BCM6348_H +#define __DT_BINDINGS_DMA_BCM6348_H + +#define BCM6348_DMA_ENET0_RX 0 +#define BCM6348_DMA_ENET0_TX 1 +#define BCM6348_DMA_ENET1_RX 2 +#define BCM6348_DMA_ENET1_TX 3 + +#endif /* __DT_BINDINGS_DMA_BCM6348_H */ From 487250e6dfa3be57ef3d49ab04ab82d841d838a1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 1 Dec 2018 19:00:18 +0100 Subject: [PATCH 04/47] bmips: bcm6358: add bcm6348-iudma support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- arch/mips/dts/brcm,bcm6358.dtsi | 18 ++++++++++++++++++ include/dt-bindings/dma/bcm6358-dma.h | 16 ++++++++++++++++ 2 files changed, 34 insertions(+) create mode 100644 include/dt-bindings/dma/bcm6358-dma.h diff --git a/arch/mips/dts/brcm,bcm6358.dtsi b/arch/mips/dts/brcm,bcm6358.dtsi index 0617b46e926..5605723e838 100644 --- a/arch/mips/dts/brcm,bcm6358.dtsi +++ b/arch/mips/dts/brcm,bcm6358.dtsi @@ -4,6 +4,7 @@ */ #include +#include #include #include #include "skeleton.dtsi" @@ -190,5 +191,22 @@ status = "disabled"; }; + + iudma: dma-controller@fffe5000 { + compatible = "brcm,bcm6348-iudma"; + reg = <0xfffe5000 0x24>, + <0xfffe5100 0x80>, + <0xfffe5200 0x80>; + reg-names = "dma", + "dma-channels", + "dma-sram"; + #dma-cells = <1>; + dma-channels = <8>; + clocks = <&periph_clk BCM6358_CLK_EMUSB>, + <&periph_clk BCM6358_CLK_USBSU>, + <&periph_clk BCM6358_CLK_EPHY>; + resets = <&periph_rst BCM6358_RST_ENET>, + <&periph_rst BCM6358_RST_EPHY>; + }; }; }; diff --git a/include/dt-bindings/dma/bcm6358-dma.h b/include/dt-bindings/dma/bcm6358-dma.h new file mode 100644 index 00000000000..3118b9da0a3 --- /dev/null +++ b/include/dt-bindings/dma/bcm6358-dma.h @@ -0,0 +1,16 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018 Álvaro Fernández Rojas + * + * Derived from linux/drivers/net/ethernet/broadcom/bcm63xx_enet.c + */ + +#ifndef __DT_BINDINGS_DMA_BCM6358_H +#define __DT_BINDINGS_DMA_BCM6358_H + +#define BCM6358_DMA_ENET0_RX 0 +#define BCM6358_DMA_ENET0_TX 1 +#define BCM6358_DMA_ENET1_RX 2 +#define BCM6358_DMA_ENET1_TX 3 + +#endif /* __DT_BINDINGS_DMA_BCM6358_H */ From 0417eb55907344192fbc5d59b72e033838b29c06 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 1 Dec 2018 19:00:19 +0100 Subject: [PATCH 05/47] bmips: bcm6368: add bcm6348-iudma support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- arch/mips/dts/brcm,bcm6368.dtsi | 13 +++++++++++++ include/dt-bindings/dma/bcm6368-dma.h | 14 ++++++++++++++ 2 files changed, 27 insertions(+) create mode 100644 include/dt-bindings/dma/bcm6368-dma.h diff --git a/arch/mips/dts/brcm,bcm6368.dtsi b/arch/mips/dts/brcm,bcm6368.dtsi index 65d769ab4f2..30047f63601 100644 --- a/arch/mips/dts/brcm,bcm6368.dtsi +++ b/arch/mips/dts/brcm,bcm6368.dtsi @@ -4,6 +4,7 @@ */ #include +#include #include #include #include "skeleton.dtsi" @@ -192,5 +193,17 @@ status = "disabled"; }; + + iudma: dma-controller@10006800 { + compatible = "brcm,bcm6368-iudma"; + reg = <0x10006800 0x80>, + <0x10006a00 0x80>, + <0x10006c00 0x80>; + reg-names = "dma", + "dma-channels", + "dma-sram"; + #dma-cells = <1>; + dma-channels = <8>; + }; }; }; diff --git a/include/dt-bindings/dma/bcm6368-dma.h b/include/dt-bindings/dma/bcm6368-dma.h new file mode 100644 index 00000000000..36c6caa0e16 --- /dev/null +++ b/include/dt-bindings/dma/bcm6368-dma.h @@ -0,0 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018 Álvaro Fernández Rojas + * + * Derived from linux/drivers/net/ethernet/broadcom/bcm63xx_enet.c + */ + +#ifndef __DT_BINDINGS_DMA_BCM6368_H +#define __DT_BINDINGS_DMA_BCM6368_H + +#define BCM6368_DMA_ENETSW_RX 0 +#define BCM6368_DMA_ENETSW_TX 1 + +#endif /* __DT_BINDINGS_DMA_BCM6368_H */ From 85132221e2722089e04dd3842d23510c7c3b7fce Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 1 Dec 2018 19:00:20 +0100 Subject: [PATCH 06/47] bmips: bcm6328: add bcm6348-iudma support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- arch/mips/dts/brcm,bcm6328.dtsi | 13 +++++++++++++ include/dt-bindings/dma/bcm6328-dma.h | 14 ++++++++++++++ 2 files changed, 27 insertions(+) create mode 100644 include/dt-bindings/dma/bcm6328-dma.h diff --git a/arch/mips/dts/brcm,bcm6328.dtsi b/arch/mips/dts/brcm,bcm6328.dtsi index e00a2950e22..6fa49e22bb1 100644 --- a/arch/mips/dts/brcm,bcm6328.dtsi +++ b/arch/mips/dts/brcm,bcm6328.dtsi @@ -4,6 +4,7 @@ */ #include +#include #include #include #include @@ -187,5 +188,17 @@ reg = <0x10003000 0x864>; u-boot,dm-pre-reloc; }; + + iudma: dma-controller@1000d800 { + compatible = "brcm,bcm6368-iudma"; + reg = <0x1000d800 0x80>, + <0x1000da00 0x80>, + <0x1000dc00 0x80>; + reg-names = "dma", + "dma-channels", + "dma-sram"; + #dma-cells = <1>; + dma-channels = <8>; + }; }; }; diff --git a/include/dt-bindings/dma/bcm6328-dma.h b/include/dt-bindings/dma/bcm6328-dma.h new file mode 100644 index 00000000000..7494df2feba --- /dev/null +++ b/include/dt-bindings/dma/bcm6328-dma.h @@ -0,0 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018 Álvaro Fernández Rojas + * + * Derived from linux/drivers/net/ethernet/broadcom/bcm63xx_enet.c + */ + +#ifndef __DT_BINDINGS_DMA_BCM6328_H +#define __DT_BINDINGS_DMA_BCM6328_H + +#define BCM6328_DMA_ENETSW_RX 0 +#define BCM6328_DMA_ENETSW_TX 1 + +#endif /* __DT_BINDINGS_DMA_BCM6328_H */ From b2bf5a22435926b406f0f76fcf199854965af994 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 1 Dec 2018 19:00:21 +0100 Subject: [PATCH 07/47] bmips: bcm6362: add bcm6348-iudma support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- arch/mips/dts/brcm,bcm6362.dtsi | 13 +++++++++++++ include/dt-bindings/dma/bcm6362-dma.h | 14 ++++++++++++++ 2 files changed, 27 insertions(+) create mode 100644 include/dt-bindings/dma/bcm6362-dma.h diff --git a/arch/mips/dts/brcm,bcm6362.dtsi b/arch/mips/dts/brcm,bcm6362.dtsi index 3047b82b219..94e7de096dc 100644 --- a/arch/mips/dts/brcm,bcm6362.dtsi +++ b/arch/mips/dts/brcm,bcm6362.dtsi @@ -4,6 +4,7 @@ */ #include +#include #include #include #include @@ -211,5 +212,17 @@ reg = <0x10003000 0x864>; u-boot,dm-pre-reloc; }; + + iudma: dma-controller@1000d800 { + compatible = "brcm,bcm6368-iudma"; + reg = <0x1000d800 0x80>, + <0x1000da00 0x80>, + <0x1000dc00 0x80>; + reg-names = "dma", + "dma-channels", + "dma-sram"; + #dma-cells = <1>; + dma-channels = <8>; + }; }; }; diff --git a/include/dt-bindings/dma/bcm6362-dma.h b/include/dt-bindings/dma/bcm6362-dma.h new file mode 100644 index 00000000000..1e62236daa2 --- /dev/null +++ b/include/dt-bindings/dma/bcm6362-dma.h @@ -0,0 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018 Álvaro Fernández Rojas + * + * Derived from linux/drivers/net/ethernet/broadcom/bcm63xx_enet.c + */ + +#ifndef __DT_BINDINGS_DMA_BCM6362_H +#define __DT_BINDINGS_DMA_BCM6362_H + +#define BCM6362_DMA_ENETSW_RX 0 +#define BCM6362_DMA_ENETSW_TX 1 + +#endif /* __DT_BINDINGS_DMA_BCM6362_H */ From 83eae024623ef6a7d3c483c2fa7eea301bc72fb5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 1 Dec 2018 19:00:22 +0100 Subject: [PATCH 08/47] bmips: bcm63268: add bcm6348-iudma support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- arch/mips/dts/brcm,bcm63268.dtsi | 13 +++++++++++++ include/dt-bindings/dma/bcm63268-dma.h | 14 ++++++++++++++ 2 files changed, 27 insertions(+) create mode 100644 include/dt-bindings/dma/bcm63268-dma.h diff --git a/arch/mips/dts/brcm,bcm63268.dtsi b/arch/mips/dts/brcm,bcm63268.dtsi index 62c440e6759..c7ad83c306a 100644 --- a/arch/mips/dts/brcm,bcm63268.dtsi +++ b/arch/mips/dts/brcm,bcm63268.dtsi @@ -4,6 +4,7 @@ */ #include +#include #include #include #include @@ -217,5 +218,17 @@ reg = <0x10003000 0x894>; u-boot,dm-pre-reloc; }; + + iudma: dma-controller@1000d800 { + compatible = "brcm,bcm6368-iudma"; + reg = <0x1000d800 0x80>, + <0x1000da00 0x80>, + <0x1000dc00 0x80>; + reg-names = "dma", + "dma-channels", + "dma-sram"; + #dma-cells = <1>; + dma-channels = <8>; + }; }; }; diff --git a/include/dt-bindings/dma/bcm63268-dma.h b/include/dt-bindings/dma/bcm63268-dma.h new file mode 100644 index 00000000000..7d027119e61 --- /dev/null +++ b/include/dt-bindings/dma/bcm63268-dma.h @@ -0,0 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018 Álvaro Fernández Rojas + * + * Derived from linux/drivers/net/ethernet/broadcom/bcm63xx_enet.c + */ + +#ifndef __DT_BINDINGS_DMA_BCM63268_H +#define __DT_BINDINGS_DMA_BCM63268_H + +#define BCM63268_DMA_ENETSW_RX 0 +#define BCM63268_DMA_ENETSW_TX 1 + +#endif /* __DT_BINDINGS_DMA_BCM63268_H */ From 6e0faa22dd394d42221d4dc0ad2975466d08eb21 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 1 Dec 2018 19:00:23 +0100 Subject: [PATCH 09/47] bmips: bcm6318: add bcm6348-iudma support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- arch/mips/dts/brcm,bcm6318.dtsi | 19 +++++++++++++++++++ include/dt-bindings/dma/bcm6318-dma.h | 14 ++++++++++++++ 2 files changed, 33 insertions(+) create mode 100644 include/dt-bindings/dma/bcm6318-dma.h diff --git a/arch/mips/dts/brcm,bcm6318.dtsi b/arch/mips/dts/brcm,bcm6318.dtsi index f75988be129..d04b7cbb017 100644 --- a/arch/mips/dts/brcm,bcm6318.dtsi +++ b/arch/mips/dts/brcm,bcm6318.dtsi @@ -4,6 +4,7 @@ */ #include +#include #include #include #include @@ -54,6 +55,12 @@ reg = <0x10000004 0x4>; #clock-cells = <1>; }; + + ubus_clk: ubus-clk { + compatible = "brcm,bcm6345-clk"; + reg = <0x10000008 0x4>; + #clock-cells = <1>; + }; }; ubus { @@ -182,5 +189,17 @@ status = "disabled"; }; + + iudma: dma-controller@10088000 { + compatible = "brcm,bcm6368-iudma"; + reg = <0x10088000 0x80>, + <0x10088200 0x80>, + <0x10088400 0x80>; + reg-names = "dma", + "dma-channels", + "dma-sram"; + #dma-cells = <1>; + dma-channels = <8>; + }; }; }; diff --git a/include/dt-bindings/dma/bcm6318-dma.h b/include/dt-bindings/dma/bcm6318-dma.h new file mode 100644 index 00000000000..ad7c5ac2dfa --- /dev/null +++ b/include/dt-bindings/dma/bcm6318-dma.h @@ -0,0 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018 Álvaro Fernández Rojas + * + * Derived from linux/drivers/net/ethernet/broadcom/bcm63xx_enet.c + */ + +#ifndef __DT_BINDINGS_DMA_BCM6318_H +#define __DT_BINDINGS_DMA_BCM6318_H + +#define BCM6318_DMA_ENETSW_RX 0 +#define BCM6318_DMA_ENETSW_TX 1 + +#endif /* __DT_BINDINGS_DMA_BCM6318_H */ From 55e55fe4a6e4e8b7cef6f92c1a84d863a637b30f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 1 Dec 2018 19:00:24 +0100 Subject: [PATCH 10/47] net: add support for bcm6348-enet MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas Reviewed-by: Daniel Schwierzeck --- drivers/net/Kconfig | 10 + drivers/net/Makefile | 1 + drivers/net/bcm6348-eth.c | 537 +++++++++++++++++++++++++++++++++ include/configs/bmips_common.h | 6 +- 4 files changed, 553 insertions(+), 1 deletion(-) create mode 100644 drivers/net/bcm6348-eth.c diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 8fb365fc5d2..2b7cec8804b 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -72,6 +72,16 @@ config BCM_SF2_ETH_GMAC by the BCM_SF2_ETH driver. Say Y to any bcmcygnus based platforms. +config BCM6348_ETH + bool "BCM6348 EMAC support" + depends on DM_ETH && ARCH_BMIPS + select DMA + select DMA_CHANNELS + select MII + select PHYLIB + help + This driver supports the BCM6348 Ethernet MAC. + config DWC_ETH_QOS bool "Synopsys DWC Ethernet QOS device support" depends on DM_ETH diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 99056aa041d..2647d4dd231 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -6,6 +6,7 @@ obj-$(CONFIG_ALTERA_TSE) += altera_tse.o obj-$(CONFIG_AG7XXX) += ag7xxx.o obj-$(CONFIG_ARMADA100_FEC) += armada100_fec.o +obj-$(CONFIG_BCM6348_ETH) += bcm6348-eth.o obj-$(CONFIG_DRIVER_AT91EMAC) += at91_emac.o obj-$(CONFIG_DRIVER_AX88180) += ax88180.o obj-$(CONFIG_BCM_SF2_ETH) += bcm-sf2-eth.o diff --git a/drivers/net/bcm6348-eth.c b/drivers/net/bcm6348-eth.c new file mode 100644 index 00000000000..7100e68bd20 --- /dev/null +++ b/drivers/net/bcm6348-eth.c @@ -0,0 +1,537 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018 Álvaro Fernández Rojas + * + * Derived from linux/drivers/net/ethernet/broadcom/bcm63xx_enet.c: + * Copyright (C) 2008 Maxime Bizon + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define ETH_RX_DESC PKTBUFSRX +#define ETH_MAX_MTU_SIZE 1518 +#define ETH_TIMEOUT 100 +#define ETH_TX_WATERMARK 32 + +/* ETH Receiver Configuration register */ +#define ETH_RXCFG_REG 0x00 +#define ETH_RXCFG_ENFLOW_SHIFT 5 +#define ETH_RXCFG_ENFLOW_MASK (1 << ETH_RXCFG_ENFLOW_SHIFT) + +/* ETH Receive Maximum Length register */ +#define ETH_RXMAXLEN_REG 0x04 +#define ETH_RXMAXLEN_SHIFT 0 +#define ETH_RXMAXLEN_MASK (0x7ff << ETH_RXMAXLEN_SHIFT) + +/* ETH Transmit Maximum Length register */ +#define ETH_TXMAXLEN_REG 0x08 +#define ETH_TXMAXLEN_SHIFT 0 +#define ETH_TXMAXLEN_MASK (0x7ff << ETH_TXMAXLEN_SHIFT) + +/* MII Status/Control register */ +#define MII_SC_REG 0x10 +#define MII_SC_MDCFREQDIV_SHIFT 0 +#define MII_SC_MDCFREQDIV_MASK (0x7f << MII_SC_MDCFREQDIV_SHIFT) +#define MII_SC_PREAMBLE_EN_SHIFT 7 +#define MII_SC_PREAMBLE_EN_MASK (1 << MII_SC_PREAMBLE_EN_SHIFT) + +/* MII Data register */ +#define MII_DAT_REG 0x14 +#define MII_DAT_DATA_SHIFT 0 +#define MII_DAT_DATA_MASK (0xffff << MII_DAT_DATA_SHIFT) +#define MII_DAT_TA_SHIFT 16 +#define MII_DAT_TA_MASK (0x3 << MII_DAT_TA_SHIFT) +#define MII_DAT_REG_SHIFT 18 +#define MII_DAT_REG_MASK (0x1f << MII_DAT_REG_SHIFT) +#define MII_DAT_PHY_SHIFT 23 +#define MII_DAT_PHY_MASK (0x1f << MII_DAT_PHY_SHIFT) +#define MII_DAT_OP_SHIFT 28 +#define MII_DAT_OP_WRITE (0x5 << MII_DAT_OP_SHIFT) +#define MII_DAT_OP_READ (0x6 << MII_DAT_OP_SHIFT) + +/* ETH Interrupts Mask register */ +#define ETH_IRMASK_REG 0x18 + +/* ETH Interrupts register */ +#define ETH_IR_REG 0x1c +#define ETH_IR_MII_SHIFT 0 +#define ETH_IR_MII_MASK (1 << ETH_IR_MII_SHIFT) + +/* ETH Control register */ +#define ETH_CTL_REG 0x2c +#define ETH_CTL_ENABLE_SHIFT 0 +#define ETH_CTL_ENABLE_MASK (1 << ETH_CTL_ENABLE_SHIFT) +#define ETH_CTL_DISABLE_SHIFT 1 +#define ETH_CTL_DISABLE_MASK (1 << ETH_CTL_DISABLE_SHIFT) +#define ETH_CTL_RESET_SHIFT 2 +#define ETH_CTL_RESET_MASK (1 << ETH_CTL_RESET_SHIFT) +#define ETH_CTL_EPHY_SHIFT 3 +#define ETH_CTL_EPHY_MASK (1 << ETH_CTL_EPHY_SHIFT) + +/* ETH Transmit Control register */ +#define ETH_TXCTL_REG 0x30 +#define ETH_TXCTL_FD_SHIFT 0 +#define ETH_TXCTL_FD_MASK (1 << ETH_TXCTL_FD_SHIFT) + +/* ETH Transmit Watermask register */ +#define ETH_TXWMARK_REG 0x34 +#define ETH_TXWMARK_WM_SHIFT 0 +#define ETH_TXWMARK_WM_MASK (0x3f << ETH_TXWMARK_WM_SHIFT) + +/* MIB Control register */ +#define MIB_CTL_REG 0x38 +#define MIB_CTL_RDCLEAR_SHIFT 0 +#define MIB_CTL_RDCLEAR_MASK (1 << MIB_CTL_RDCLEAR_SHIFT) + +/* ETH Perfect Match registers */ +#define ETH_PM_CNT 4 +#define ETH_PML_REG(x) (0x58 + (x) * 0x8) +#define ETH_PMH_REG(x) (0x5c + (x) * 0x8) +#define ETH_PMH_VALID_SHIFT 16 +#define ETH_PMH_VALID_MASK (1 << ETH_PMH_VALID_SHIFT) + +/* MIB Counters registers */ +#define MIB_REG_CNT 55 +#define MIB_REG(x) (0x200 + (x) * 4) + +/* ETH data */ +struct bcm6348_eth_priv { + void __iomem *base; + /* DMA */ + struct dma rx_dma; + struct dma tx_dma; + /* PHY */ + int phy_id; + struct phy_device *phy_dev; +}; + +static void bcm6348_eth_mac_disable(struct bcm6348_eth_priv *priv) +{ + /* disable emac */ + clrsetbits_be32(priv->base + ETH_CTL_REG, ETH_CTL_ENABLE_MASK, + ETH_CTL_DISABLE_MASK); + + /* wait until emac is disabled */ + if (wait_for_bit_be32(priv->base + ETH_CTL_REG, + ETH_CTL_DISABLE_MASK, false, + ETH_TIMEOUT, false)) + pr_err("%s: error disabling emac\n", __func__); +} + +static void bcm6348_eth_mac_enable(struct bcm6348_eth_priv *priv) +{ + setbits_be32(priv->base + ETH_CTL_REG, ETH_CTL_ENABLE_MASK); +} + +static void bcm6348_eth_mac_reset(struct bcm6348_eth_priv *priv) +{ + /* reset emac */ + writel_be(ETH_CTL_RESET_MASK, priv->base + ETH_CTL_REG); + wmb(); + + /* wait until emac is reset */ + if (wait_for_bit_be32(priv->base + ETH_CTL_REG, + ETH_CTL_RESET_MASK, false, + ETH_TIMEOUT, false)) + pr_err("%s: error resetting emac\n", __func__); +} + +static int bcm6348_eth_free_pkt(struct udevice *dev, uchar *packet, int len) +{ + struct bcm6348_eth_priv *priv = dev_get_priv(dev); + + return dma_prepare_rcv_buf(&priv->rx_dma, packet, len); +} + +static int bcm6348_eth_recv(struct udevice *dev, int flags, uchar **packetp) +{ + struct bcm6348_eth_priv *priv = dev_get_priv(dev); + + return dma_receive(&priv->rx_dma, (void**)packetp, NULL); +} + +static int bcm6348_eth_send(struct udevice *dev, void *packet, int length) +{ + struct bcm6348_eth_priv *priv = dev_get_priv(dev); + + return dma_send(&priv->tx_dma, packet, length, NULL); +} + +static int bcm6348_eth_adjust_link(struct udevice *dev, + struct phy_device *phydev) +{ + struct bcm6348_eth_priv *priv = dev_get_priv(dev); + + /* mac duplex parameters */ + if (phydev->duplex) + setbits_be32(priv->base + ETH_TXCTL_REG, ETH_TXCTL_FD_MASK); + else + clrbits_be32(priv->base + ETH_TXCTL_REG, ETH_TXCTL_FD_MASK); + + /* rx flow control (pause frame handling) */ + if (phydev->pause) + setbits_be32(priv->base + ETH_RXCFG_REG, + ETH_RXCFG_ENFLOW_MASK); + else + clrbits_be32(priv->base + ETH_RXCFG_REG, + ETH_RXCFG_ENFLOW_MASK); + + return 0; +} + +static int bcm6348_eth_start(struct udevice *dev) +{ + struct bcm6348_eth_priv *priv = dev_get_priv(dev); + int ret, i; + + /* prepare rx dma buffers */ + for (i = 0; i < ETH_RX_DESC; i++) { + ret = dma_prepare_rcv_buf(&priv->rx_dma, net_rx_packets[i], + PKTSIZE_ALIGN); + if (ret < 0) + break; + } + + /* enable dma rx channel */ + dma_enable(&priv->rx_dma); + + /* enable dma tx channel */ + dma_enable(&priv->tx_dma); + + ret = phy_startup(priv->phy_dev); + if (ret) { + pr_err("%s: could not initialize phy\n", __func__); + return ret; + } + + if (!priv->phy_dev->link) { + pr_err("%s: no phy link\n", __func__); + return -EIO; + } + + bcm6348_eth_adjust_link(dev, priv->phy_dev); + + /* zero mib counters */ + for (i = 0; i < MIB_REG_CNT; i++) + writel_be(0, MIB_REG(i)); + + /* enable rx flow control */ + setbits_be32(priv->base + ETH_RXCFG_REG, ETH_RXCFG_ENFLOW_MASK); + + /* set max rx/tx length */ + writel_be((ETH_MAX_MTU_SIZE << ETH_RXMAXLEN_SHIFT) & + ETH_RXMAXLEN_MASK, priv->base + ETH_RXMAXLEN_REG); + writel_be((ETH_MAX_MTU_SIZE << ETH_TXMAXLEN_SHIFT) & + ETH_TXMAXLEN_MASK, priv->base + ETH_TXMAXLEN_REG); + + /* set correct transmit fifo watermark */ + writel_be((ETH_TX_WATERMARK << ETH_TXWMARK_WM_SHIFT) & + ETH_TXWMARK_WM_MASK, priv->base + ETH_TXWMARK_REG); + + /* enable emac */ + bcm6348_eth_mac_enable(priv); + + /* clear interrupts */ + writel_be(0, priv->base + ETH_IRMASK_REG); + + return 0; +} + +static void bcm6348_eth_stop(struct udevice *dev) +{ + struct bcm6348_eth_priv *priv = dev_get_priv(dev); + + /* disable dma rx channel */ + dma_disable(&priv->rx_dma); + + /* disable dma tx channel */ + dma_disable(&priv->tx_dma); + + /* disable emac */ + bcm6348_eth_mac_disable(priv); +} + +static int bcm6348_eth_write_hwaddr(struct udevice *dev) +{ + struct eth_pdata *pdata = dev_get_platdata(dev); + struct bcm6348_eth_priv *priv = dev_get_priv(dev); + bool running = false; + + /* check if emac is running */ + if (readl_be(priv->base + ETH_CTL_REG) & ETH_CTL_ENABLE_MASK) + running = true; + + /* disable emac */ + if (running) + bcm6348_eth_mac_disable(priv); + + /* set mac address */ + writel_be((pdata->enetaddr[2] << 24) | (pdata->enetaddr[3]) << 16 | + (pdata->enetaddr[4]) << 8 | (pdata->enetaddr[5]), + priv->base + ETH_PML_REG(0)); + writel_be((pdata->enetaddr[1]) | (pdata->enetaddr[0] << 8) | + ETH_PMH_VALID_MASK, priv->base + ETH_PMH_REG(0)); + + /* enable emac */ + if (running) + bcm6348_eth_mac_enable(priv); + + return 0; +} + +static const struct eth_ops bcm6348_eth_ops = { + .free_pkt = bcm6348_eth_free_pkt, + .recv = bcm6348_eth_recv, + .send = bcm6348_eth_send, + .start = bcm6348_eth_start, + .stop = bcm6348_eth_stop, + .write_hwaddr = bcm6348_eth_write_hwaddr, +}; + +static const struct udevice_id bcm6348_eth_ids[] = { + { .compatible = "brcm,bcm6348-enet", }, + { /* sentinel */ } +}; + +static int bcm6348_mdio_op(void __iomem *base, uint32_t data) +{ + /* make sure mii interrupt status is cleared */ + writel_be(ETH_IR_MII_MASK, base + ETH_IR_REG); + + /* issue mii op */ + writel_be(data, base + MII_DAT_REG); + + /* wait until emac is disabled */ + return wait_for_bit_be32(base + ETH_IR_REG, + ETH_IR_MII_MASK, true, + ETH_TIMEOUT, false); +} + +static int bcm6348_mdio_read(struct mii_dev *bus, int addr, int devaddr, + int reg) +{ + void __iomem *base = bus->priv; + uint32_t val; + + val = MII_DAT_OP_READ; + val |= (reg << MII_DAT_REG_SHIFT) & MII_DAT_REG_MASK; + val |= (0x2 << MII_DAT_TA_SHIFT) & MII_DAT_TA_MASK; + val |= (addr << MII_DAT_PHY_SHIFT) & MII_DAT_PHY_MASK; + + if (bcm6348_mdio_op(base, val)) { + pr_err("%s: timeout\n", __func__); + return -EINVAL; + } + + val = readl_be(base + MII_DAT_REG) & MII_DAT_DATA_MASK; + val >>= MII_DAT_DATA_SHIFT; + + return val; +} + +static int bcm6348_mdio_write(struct mii_dev *bus, int addr, int dev_addr, + int reg, u16 value) +{ + void __iomem *base = bus->priv; + uint32_t val; + + val = MII_DAT_OP_WRITE; + val |= (reg << MII_DAT_REG_SHIFT) & MII_DAT_REG_MASK; + val |= (0x2 << MII_DAT_TA_SHIFT) & MII_DAT_TA_MASK; + val |= (addr << MII_DAT_PHY_SHIFT) & MII_DAT_PHY_MASK; + val |= (value << MII_DAT_DATA_SHIFT) & MII_DAT_DATA_MASK; + + if (bcm6348_mdio_op(base, val)) { + pr_err("%s: timeout\n", __func__); + return -EINVAL; + } + + return 0; +} + +static int bcm6348_mdio_init(const char *name, void __iomem *base) +{ + struct mii_dev *bus; + + bus = mdio_alloc(); + if (!bus) { + pr_err("%s: failed to allocate MDIO bus\n", __func__); + return -ENOMEM; + } + + bus->read = bcm6348_mdio_read; + bus->write = bcm6348_mdio_write; + bus->priv = base; + snprintf(bus->name, sizeof(bus->name), "%s", name); + + return mdio_register(bus); +} + +static int bcm6348_phy_init(struct udevice *dev) +{ + struct eth_pdata *pdata = dev_get_platdata(dev); + struct bcm6348_eth_priv *priv = dev_get_priv(dev); + struct mii_dev *bus; + + /* get mii bus */ + bus = miiphy_get_dev_by_name(dev->name); + + /* phy connect */ + priv->phy_dev = phy_connect(bus, priv->phy_id, dev, + pdata->phy_interface); + if (!priv->phy_dev) { + pr_err("%s: no phy device\n", __func__); + return -ENODEV; + } + + priv->phy_dev->supported = (SUPPORTED_10baseT_Half | + SUPPORTED_10baseT_Full | + SUPPORTED_100baseT_Half | + SUPPORTED_100baseT_Full | + SUPPORTED_Autoneg | + SUPPORTED_Pause | + SUPPORTED_MII); + priv->phy_dev->advertising = priv->phy_dev->supported; + + /* phy config */ + phy_config(priv->phy_dev); + + return 0; +} + +static int bcm6348_eth_probe(struct udevice *dev) +{ + struct eth_pdata *pdata = dev_get_platdata(dev); + struct bcm6348_eth_priv *priv = dev_get_priv(dev); + struct ofnode_phandle_args phy; + const char *phy_mode; + int ret, i; + + /* get base address */ + priv->base = dev_remap_addr(dev); + if (!priv->base) + return -EINVAL; + pdata->iobase = (phys_addr_t) priv->base; + + /* get phy mode */ + pdata->phy_interface = PHY_INTERFACE_MODE_NONE; + phy_mode = dev_read_string(dev, "phy-mode"); + if (phy_mode) + pdata->phy_interface = phy_get_interface_by_name(phy_mode); + if (pdata->phy_interface == PHY_INTERFACE_MODE_NONE) + return -ENODEV; + + /* get phy */ + if (dev_read_phandle_with_args(dev, "phy", NULL, 0, 0, &phy)) + return -ENOENT; + priv->phy_id = ofnode_read_u32_default(phy.node, "reg", -1); + + /* get dma channels */ + ret = dma_get_by_name(dev, "tx", &priv->tx_dma); + if (ret) + return -EINVAL; + + ret = dma_get_by_name(dev, "rx", &priv->rx_dma); + if (ret) + return -EINVAL; + + /* try to enable clocks */ + for (i = 0; ; i++) { + struct clk clk; + int ret; + + ret = clk_get_by_index(dev, i, &clk); + if (ret < 0) + break; + + ret = clk_enable(&clk); + if (ret < 0) { + pr_err("%s: error enabling clock %d\n", __func__, i); + return ret; + } + + ret = clk_free(&clk); + if (ret < 0) { + pr_err("%s: error freeing clock %d\n", __func__, i); + return ret; + } + } + + /* try to perform resets */ + for (i = 0; ; i++) { + struct reset_ctl reset; + int ret; + + ret = reset_get_by_index(dev, i, &reset); + if (ret < 0) + break; + + ret = reset_deassert(&reset); + if (ret < 0) { + pr_err("%s: error deasserting reset %d\n", __func__, i); + return ret; + } + + ret = reset_free(&reset); + if (ret < 0) { + pr_err("%s: error freeing reset %d\n", __func__, i); + return ret; + } + } + + /* disable emac */ + bcm6348_eth_mac_disable(priv); + + /* reset emac */ + bcm6348_eth_mac_reset(priv); + + /* select correct mii interface */ + if (pdata->phy_interface == PHY_INTERFACE_MODE_INTERNAL) + clrbits_be32(priv->base + ETH_CTL_REG, ETH_CTL_EPHY_MASK); + else + setbits_be32(priv->base + ETH_CTL_REG, ETH_CTL_EPHY_MASK); + + /* turn on mdc clock */ + writel_be((0x1f << MII_SC_MDCFREQDIV_SHIFT) | + MII_SC_PREAMBLE_EN_MASK, priv->base + MII_SC_REG); + + /* set mib counters to not clear when read */ + clrbits_be32(priv->base + MIB_CTL_REG, MIB_CTL_RDCLEAR_MASK); + + /* initialize perfect match registers */ + for (i = 0; i < ETH_PM_CNT; i++) { + writel_be(0, priv->base + ETH_PML_REG(i)); + writel_be(0, priv->base + ETH_PMH_REG(i)); + } + + /* init mii bus */ + ret = bcm6348_mdio_init(dev->name, priv->base); + if (ret) + return ret; + + /* init phy */ + ret = bcm6348_phy_init(dev); + if (ret) + return ret; + + return 0; +} + +U_BOOT_DRIVER(bcm6348_eth) = { + .name = "bcm6348_eth", + .id = UCLASS_ETH, + .of_match = bcm6348_eth_ids, + .ops = &bcm6348_eth_ops, + .platdata_auto_alloc_size = sizeof(struct eth_pdata), + .priv_auto_alloc_size = sizeof(struct bcm6348_eth_priv), + .probe = bcm6348_eth_probe, +}; diff --git a/include/configs/bmips_common.h b/include/configs/bmips_common.h index 39ca2e0bf3f..788f4af70da 100644 --- a/include/configs/bmips_common.h +++ b/include/configs/bmips_common.h @@ -6,6 +6,10 @@ #ifndef __CONFIG_BMIPS_COMMON_H #define __CONFIG_BMIPS_COMMON_H +/* ETH */ +#define CONFIG_PHY_RESET_DELAY 20 +#define CONFIG_SYS_RX_ETH_BUFFER 6 + /* UART */ #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, \ 230400, 500000, 1500000 } @@ -16,7 +20,7 @@ /* Memory usage */ #define CONFIG_SYS_MAXARGS 24 -#define CONFIG_SYS_MALLOC_LEN (1024 * 1024) +#define CONFIG_SYS_MALLOC_LEN (2 * 1024 * 1024) #define CONFIG_SYS_BOOTPARAMS_LEN (128 * 1024) #define CONFIG_SYS_CBSIZE 512 From d7f5bc1aea26823b81d0ea1a6eb1481b5a25b9ed Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 1 Dec 2018 19:00:25 +0100 Subject: [PATCH 11/47] bmips: bcm6338: add support for bcm6348-enet MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- arch/mips/dts/brcm,bcm6338.dtsi | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/mips/dts/brcm,bcm6338.dtsi b/arch/mips/dts/brcm,bcm6338.dtsi index 990355481c3..c547e949ddc 100644 --- a/arch/mips/dts/brcm,bcm6338.dtsi +++ b/arch/mips/dts/brcm,bcm6338.dtsi @@ -144,5 +144,20 @@ dma-channels = <6>; resets = <&periph_rst BCM6338_RST_DMAMEM>; }; + + enet: ethernet@fffe2800 { + compatible = "brcm,bcm6348-enet"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0xfffe2800 0x2dc>; + clocks = <&periph_clk BCM6338_CLK_ENET>; + resets = <&periph_rst BCM6338_RST_ENET>; + dmas = <&iudma BCM6338_DMA_ENET_RX>, + <&iudma BCM6338_DMA_ENET_TX>; + dma-names = "rx", + "tx"; + + status = "disabled"; + }; }; }; From ec96de3b66f059ae2d7abe572985f7e275a6284c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 1 Dec 2018 19:00:26 +0100 Subject: [PATCH 12/47] bmips: enable f@st1704 enet support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- arch/mips/dts/sagem,f@st1704.dts | 12 ++++++++++++ configs/sagem_f@st1704_ram_defconfig | 8 +++++++- 2 files changed, 19 insertions(+), 1 deletion(-) diff --git a/arch/mips/dts/sagem,f@st1704.dts b/arch/mips/dts/sagem,f@st1704.dts index 5300f8b6df9..ec6846dd9f2 100644 --- a/arch/mips/dts/sagem,f@st1704.dts +++ b/arch/mips/dts/sagem,f@st1704.dts @@ -39,6 +39,18 @@ }; }; +&enet { + status = "okay"; + phy = <&enetphy>; + phy-mode = "mii"; + + enetphy: fixed-link { + reg = <1>; + speed = <100>; + full-duplex; + }; +}; + &gpio { status = "okay"; }; diff --git a/configs/sagem_f@st1704_ram_defconfig b/configs/sagem_f@st1704_ram_defconfig index 91a966327ac..8c36f5dbf83 100644 --- a/configs/sagem_f@st1704_ram_defconfig +++ b/configs/sagem_f@st1704_ram_defconfig @@ -27,11 +27,14 @@ CONFIG_CMD_MEMINFO=y # CONFIG_CMD_LOADS is not set CONFIG_CMD_SF=y CONFIG_CMD_SPI=y +CONFIG_CMD_MII=y +CONFIG_CMD_PING=y # CONFIG_CMD_MISC is not set CONFIG_OF_EMBED=y CONFIG_DEFAULT_DEVICE_TREE="sagem,f@st1704" -# CONFIG_NET is not set +CONFIG_NET_RANDOM_ETHADDR=y # CONFIG_DM_DEVICE_REMOVE is not set +CONFIG_BCM6348_IUDMA=y CONFIG_DM_GPIO=y CONFIG_BCM6345_GPIO=y CONFIG_LED=y @@ -40,6 +43,9 @@ CONFIG_DM_SPI_FLASH=y CONFIG_SPI_FLASH=y CONFIG_SPI_FLASH_WINBOND=y CONFIG_SPI_FLASH_MTD=y +CONFIG_PHY_FIXED=y +CONFIG_DM_ETH=y +CONFIG_BCM6348_ETH=y CONFIG_DM_RESET=y CONFIG_RESET_BCM6345=y # CONFIG_SPL_SERIAL_PRESENT is not set From 9dc07b9493f1c340b3509dada8a4d26e8a96866c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 1 Dec 2018 19:00:27 +0100 Subject: [PATCH 13/47] bmips: bcm6348: add support for bcm6348-enet MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- arch/mips/dts/brcm,bcm6348.dtsi | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/arch/mips/dts/brcm,bcm6348.dtsi b/arch/mips/dts/brcm,bcm6348.dtsi index 875de232ca9..79e7bd892bc 100644 --- a/arch/mips/dts/brcm,bcm6348.dtsi +++ b/arch/mips/dts/brcm,bcm6348.dtsi @@ -161,6 +161,32 @@ u-boot,dm-pre-reloc; }; + enet0: ethernet@fffe6000 { + compatible = "brcm,bcm6348-enet"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0xfffe6000 0x2dc>; + dmas = <&iudma BCM6348_DMA_ENET0_RX>, + <&iudma BCM6348_DMA_ENET0_TX>; + dma-names = "rx", + "tx"; + + status = "disabled"; + }; + + enet1: ethernet@fffe6800 { + compatible = "brcm,bcm6348-enet"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0xfffe6800 0x2dc>; + dmas = <&iudma BCM6348_DMA_ENET1_RX>, + <&iudma BCM6348_DMA_ENET1_TX>; + dma-names = "rx", + "tx"; + + status = "disabled"; + }; + iudma: dma-controller@fffe7000 { compatible = "brcm,bcm6348-iudma"; reg = <0xfffe7000 0x1c>, From eb4bdc7cc238f48313cc5554ad6515b314b7d101 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 1 Dec 2018 19:00:28 +0100 Subject: [PATCH 14/47] bmips: enable ct-5361 enet support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- arch/mips/dts/comtrend,ct-5361.dts | 12 ++++++++++++ configs/comtrend_ct5361_ram_defconfig | 8 +++++++- 2 files changed, 19 insertions(+), 1 deletion(-) diff --git a/arch/mips/dts/comtrend,ct-5361.dts b/arch/mips/dts/comtrend,ct-5361.dts index 25747ca95d7..f6b8a94e255 100644 --- a/arch/mips/dts/comtrend,ct-5361.dts +++ b/arch/mips/dts/comtrend,ct-5361.dts @@ -34,6 +34,18 @@ }; }; +&enet1 { + status = "okay"; + phy = <&enet1phy>; + phy-mode = "mii"; + + enet1phy: fixed-link { + reg = <1>; + speed = <100>; + full-duplex; + }; +}; + &gpio0 { status = "okay"; }; diff --git a/configs/comtrend_ct5361_ram_defconfig b/configs/comtrend_ct5361_ram_defconfig index 82f20707136..6297e78fd94 100644 --- a/configs/comtrend_ct5361_ram_defconfig +++ b/configs/comtrend_ct5361_ram_defconfig @@ -25,11 +25,14 @@ CONFIG_CMD_LICENSE=y CONFIG_CMD_MEMINFO=y # CONFIG_CMD_LOADS is not set CONFIG_CMD_USB=y +CONFIG_CMD_MII=y +CONFIG_CMD_PING=y # CONFIG_CMD_MISC is not set CONFIG_OF_EMBED=y CONFIG_DEFAULT_DEVICE_TREE="comtrend,ct-5361" -# CONFIG_NET is not set +CONFIG_NET_RANDOM_ETHADDR=y # CONFIG_DM_DEVICE_REMOVE is not set +CONFIG_BCM6348_IUDMA=y CONFIG_DM_GPIO=y CONFIG_BCM6345_GPIO=y CONFIG_LED=y @@ -40,6 +43,9 @@ CONFIG_FLASH_CFI_DRIVER=y CONFIG_CFI_FLASH=y CONFIG_SYS_FLASH_PROTECTION=y CONFIG_SYS_FLASH_CFI=y +CONFIG_PHY_FIXED=y +CONFIG_DM_ETH=y +CONFIG_BCM6348_ETH=y CONFIG_PHY=y CONFIG_BCM6348_USBH_PHY=y CONFIG_DM_RESET=y From 4f88720e6aa27e74e8e3becd4216f332f12da57f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 1 Dec 2018 19:00:29 +0100 Subject: [PATCH 15/47] bmips: bcm6358: add support for bcm6348-enet MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- arch/mips/dts/brcm,bcm6358.dtsi | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/arch/mips/dts/brcm,bcm6358.dtsi b/arch/mips/dts/brcm,bcm6358.dtsi index 5605723e838..5e9c9ad7698 100644 --- a/arch/mips/dts/brcm,bcm6358.dtsi +++ b/arch/mips/dts/brcm,bcm6358.dtsi @@ -192,6 +192,34 @@ status = "disabled"; }; + enet0: ethernet@fffe4000 { + compatible = "brcm,bcm6348-enet"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0xfffe4000 0x2dc>; + clocks = <&periph_clk BCM6358_CLK_ENET0>; + dmas = <&iudma BCM6358_DMA_ENET0_RX>, + <&iudma BCM6358_DMA_ENET0_TX>; + dma-names = "rx", + "tx"; + + status = "disabled"; + }; + + enet1: ethernet@fffe4800 { + compatible = "brcm,bcm6348-enet"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0xfffe4800 0x2dc>; + clocks = <&periph_clk BCM6358_CLK_ENET1>; + dmas = <&iudma BCM6358_DMA_ENET1_RX>, + <&iudma BCM6358_DMA_ENET1_TX>; + dma-names = "rx", + "tx"; + + status = "disabled"; + }; + iudma: dma-controller@fffe5000 { compatible = "brcm,bcm6348-iudma"; reg = <0xfffe5000 0x24>, From 15591a9ae1215e6259059c09351bf9e7ad5a3ab7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 1 Dec 2018 19:00:30 +0100 Subject: [PATCH 16/47] bmips: enable hg556a enet support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- arch/mips/dts/huawei,hg556a.dts | 12 ++++++++++++ configs/huawei_hg556a_ram_defconfig | 8 +++++++- 2 files changed, 19 insertions(+), 1 deletion(-) diff --git a/arch/mips/dts/huawei,hg556a.dts b/arch/mips/dts/huawei,hg556a.dts index 60455c2ff8a..6a7fc1df4b9 100644 --- a/arch/mips/dts/huawei,hg556a.dts +++ b/arch/mips/dts/huawei,hg556a.dts @@ -93,6 +93,18 @@ status = "okay"; }; +&enet1 { + status = "okay"; + phy = <&enet1phy>; + phy-mode = "mii"; + + enet1phy: fixed-link { + reg = <1>; + speed = <100>; + full-duplex; + }; +}; + &gpio0 { status = "okay"; }; diff --git a/configs/huawei_hg556a_ram_defconfig b/configs/huawei_hg556a_ram_defconfig index 6bb14ba736f..d4e6144319b 100644 --- a/configs/huawei_hg556a_ram_defconfig +++ b/configs/huawei_hg556a_ram_defconfig @@ -25,11 +25,14 @@ CONFIG_CMD_LICENSE=y CONFIG_CMD_MEMINFO=y # CONFIG_CMD_LOADS is not set CONFIG_CMD_USB=y +CONFIG_CMD_MII=y +CONFIG_CMD_PING=y # CONFIG_CMD_MISC is not set CONFIG_OF_EMBED=y CONFIG_DEFAULT_DEVICE_TREE="huawei,hg556a" -# CONFIG_NET is not set +CONFIG_NET_RANDOM_ETHADDR=y # CONFIG_DM_DEVICE_REMOVE is not set +CONFIG_BCM6348_IUDMA=y CONFIG_DM_GPIO=y CONFIG_BCM6345_GPIO=y CONFIG_LED=y @@ -40,6 +43,9 @@ CONFIG_FLASH_CFI_DRIVER=y CONFIG_CFI_FLASH=y CONFIG_SYS_FLASH_PROTECTION=y CONFIG_SYS_FLASH_CFI=y +CONFIG_PHY_FIXED=y +CONFIG_DM_ETH=y +CONFIG_BCM6348_ETH=y CONFIG_PHY=y CONFIG_BCM6358_USBH_PHY=y CONFIG_DM_RESET=y From 9c0c7e8487b7b37d8b30aa790cbc5314011b2796 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 1 Dec 2018 19:00:31 +0100 Subject: [PATCH 17/47] bmips: enable nb4-ser enet support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- arch/mips/dts/sfr,nb4-ser.dts | 24 ++++++++++++++++++++++++ configs/sfr_nb4-ser_ram_defconfig | 8 +++++++- 2 files changed, 31 insertions(+), 1 deletion(-) diff --git a/arch/mips/dts/sfr,nb4-ser.dts b/arch/mips/dts/sfr,nb4-ser.dts index bdc6f8ae455..dfbc4148dcd 100644 --- a/arch/mips/dts/sfr,nb4-ser.dts +++ b/arch/mips/dts/sfr,nb4-ser.dts @@ -53,6 +53,30 @@ status = "okay"; }; +&enet0 { + status = "okay"; + phy = <&enet0phy>; + phy-mode = "internal"; + + enet0phy: fixed-link { + reg = <1>; + speed = <100>; + full-duplex; + }; +}; + +&enet1 { + status = "okay"; + phy = <&enet1phy>; + phy-mode = "mii"; + + enet1phy: fixed-link { + reg = <1>; + speed = <100>; + full-duplex; + }; +}; + &gpio0 { status = "okay"; }; diff --git a/configs/sfr_nb4-ser_ram_defconfig b/configs/sfr_nb4-ser_ram_defconfig index 12adfb01e7f..39622875b15 100644 --- a/configs/sfr_nb4-ser_ram_defconfig +++ b/configs/sfr_nb4-ser_ram_defconfig @@ -26,11 +26,14 @@ CONFIG_CMD_LICENSE=y CONFIG_CMD_MEMINFO=y # CONFIG_CMD_LOADS is not set CONFIG_CMD_USB=y +CONFIG_CMD_MII=y +CONFIG_CMD_PING=y # CONFIG_CMD_MISC is not set CONFIG_OF_EMBED=y CONFIG_DEFAULT_DEVICE_TREE="sfr,nb4-ser" -# CONFIG_NET is not set +CONFIG_NET_RANDOM_ETHADDR=y # CONFIG_DM_DEVICE_REMOVE is not set +CONFIG_BCM6348_IUDMA=y CONFIG_DM_GPIO=y CONFIG_BCM6345_GPIO=y CONFIG_LED=y @@ -42,6 +45,9 @@ CONFIG_FLASH_CFI_DRIVER=y CONFIG_CFI_FLASH=y CONFIG_SYS_FLASH_PROTECTION=y CONFIG_SYS_FLASH_CFI=y +CONFIG_PHY_FIXED=y +CONFIG_DM_ETH=y +CONFIG_BCM6348_ETH=y CONFIG_PHY=y CONFIG_BCM6358_USBH_PHY=y CONFIG_DM_RESET=y From 9622972af47a05bc8d801625ee2ae3aaff416dbf Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 1 Dec 2018 19:00:32 +0100 Subject: [PATCH 18/47] net: add support for bcm6368-enet MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas Reviewed-by: Daniel Schwierzeck --- drivers/net/Kconfig | 8 + drivers/net/Makefile | 1 + drivers/net/bcm6368-eth.c | 625 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 634 insertions(+) create mode 100644 drivers/net/bcm6368-eth.c diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 2b7cec8804b..7044c6adf32 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -82,6 +82,14 @@ config BCM6348_ETH help This driver supports the BCM6348 Ethernet MAC. +config BCM6368_ETH + bool "BCM6368 EMAC support" + depends on DM_ETH && ARCH_BMIPS + select DMA + select MII + help + This driver supports the BCM6368 Ethernet MAC. + config DWC_ETH_QOS bool "Synopsys DWC Ethernet QOS device support" depends on DM_ETH diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 2647d4dd231..0dbfa033068 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -7,6 +7,7 @@ obj-$(CONFIG_ALTERA_TSE) += altera_tse.o obj-$(CONFIG_AG7XXX) += ag7xxx.o obj-$(CONFIG_ARMADA100_FEC) += armada100_fec.o obj-$(CONFIG_BCM6348_ETH) += bcm6348-eth.o +obj-$(CONFIG_BCM6368_ETH) += bcm6368-eth.o obj-$(CONFIG_DRIVER_AT91EMAC) += at91_emac.o obj-$(CONFIG_DRIVER_AX88180) += ax88180.o obj-$(CONFIG_BCM_SF2_ETH) += bcm-sf2-eth.o diff --git a/drivers/net/bcm6368-eth.c b/drivers/net/bcm6368-eth.c new file mode 100644 index 00000000000..a31efba9d19 --- /dev/null +++ b/drivers/net/bcm6368-eth.c @@ -0,0 +1,625 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018 Álvaro Fernández Rojas + * + * Derived from linux/drivers/net/ethernet/broadcom/bcm63xx_enet.c: + * Copyright (C) 2008 Maxime Bizon + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define ETH_PORT_STR "brcm,enetsw-port" + +#define ETH_RX_DESC PKTBUFSRX +#define ETH_ZLEN 60 +#define ETH_TIMEOUT 100 + +#define ETH_MAX_PORT 8 +#define ETH_RGMII_PORT0 4 + +/* Port traffic control */ +#define ETH_PTCTRL_REG(x) (0x0 + (x)) +#define ETH_PTCTRL_RXDIS_SHIFT 0 +#define ETH_PTCTRL_RXDIS_MASK (1 << ETH_PTCTRL_RXDIS_SHIFT) +#define ETH_PTCTRL_TXDIS_SHIFT 1 +#define ETH_PTCTRL_TXDIS_MASK (1 << ETH_PTCTRL_TXDIS_SHIFT) + +/* Switch mode register */ +#define ETH_SWMODE_REG 0xb +#define ETH_SWMODE_FWD_EN_SHIFT 1 +#define ETH_SWMODE_FWD_EN_MASK (1 << ETH_SWMODE_FWD_EN_SHIFT) + +/* IMP override Register */ +#define ETH_IMPOV_REG 0xe +#define ETH_IMPOV_LINKUP_SHIFT 0 +#define ETH_IMPOV_LINKUP_MASK (1 << ETH_IMPOV_LINKUP_SHIFT) +#define ETH_IMPOV_FDX_SHIFT 1 +#define ETH_IMPOV_FDX_MASK (1 << ETH_IMPOV_FDX_SHIFT) +#define ETH_IMPOV_100_SHIFT 2 +#define ETH_IMPOV_100_MASK (1 << ETH_IMPOV_100_SHIFT) +#define ETH_IMPOV_1000_SHIFT 3 +#define ETH_IMPOV_1000_MASK (1 << ETH_IMPOV_1000_SHIFT) +#define ETH_IMPOV_RXFLOW_SHIFT 4 +#define ETH_IMPOV_RXFLOW_MASK (1 << ETH_IMPOV_RXFLOW_SHIFT) +#define ETH_IMPOV_TXFLOW_SHIFT 5 +#define ETH_IMPOV_TXFLOW_MASK (1 << ETH_IMPOV_TXFLOW_SHIFT) +#define ETH_IMPOV_FORCE_SHIFT 7 +#define ETH_IMPOV_FORCE_MASK (1 << ETH_IMPOV_FORCE_SHIFT) + +/* Port override Register */ +#define ETH_PORTOV_REG(x) (0x58 + (x)) +#define ETH_PORTOV_LINKUP_SHIFT 0 +#define ETH_PORTOV_LINKUP_MASK (1 << ETH_PORTOV_LINKUP_SHIFT) +#define ETH_PORTOV_FDX_SHIFT 1 +#define ETH_PORTOV_FDX_MASK (1 << ETH_PORTOV_FDX_SHIFT) +#define ETH_PORTOV_100_SHIFT 2 +#define ETH_PORTOV_100_MASK (1 << ETH_PORTOV_100_SHIFT) +#define ETH_PORTOV_1000_SHIFT 3 +#define ETH_PORTOV_1000_MASK (1 << ETH_PORTOV_1000_SHIFT) +#define ETH_PORTOV_RXFLOW_SHIFT 4 +#define ETH_PORTOV_RXFLOW_MASK (1 << ETH_PORTOV_RXFLOW_SHIFT) +#define ETH_PORTOV_TXFLOW_SHIFT 5 +#define ETH_PORTOV_TXFLOW_MASK (1 << ETH_PORTOV_TXFLOW_SHIFT) +#define ETH_PORTOV_ENABLE_SHIFT 6 +#define ETH_PORTOV_ENABLE_MASK (1 << ETH_PORTOV_ENABLE_SHIFT) + +/* Port RGMII control register */ +#define ETH_RGMII_CTRL_REG(x) (0x60 + (x)) +#define ETH_RGMII_CTRL_GMII_CLK_EN (1 << 7) +#define ETH_RGMII_CTRL_MII_OVERRIDE_EN (1 << 6) +#define ETH_RGMII_CTRL_MII_MODE_MASK (3 << 4) +#define ETH_RGMII_CTRL_RGMII_MODE (0 << 4) +#define ETH_RGMII_CTRL_MII_MODE (1 << 4) +#define ETH_RGMII_CTRL_RVMII_MODE (2 << 4) +#define ETH_RGMII_CTRL_TIMING_SEL_EN (1 << 0) + +/* Port RGMII timing register */ +#define ENETSW_RGMII_TIMING_REG(x) (0x68 + (x)) + +/* MDIO control register */ +#define MII_SC_REG 0xb0 +#define MII_SC_EXT_SHIFT 16 +#define MII_SC_EXT_MASK (1 << MII_SC_EXT_SHIFT) +#define MII_SC_REG_SHIFT 20 +#define MII_SC_PHYID_SHIFT 25 +#define MII_SC_RD_SHIFT 30 +#define MII_SC_RD_MASK (1 << MII_SC_RD_SHIFT) +#define MII_SC_WR_SHIFT 31 +#define MII_SC_WR_MASK (1 << MII_SC_WR_SHIFT) + +/* MDIO data register */ +#define MII_DAT_REG 0xb4 + +/* Global Management Configuration Register */ +#define ETH_GMCR_REG 0x200 +#define ETH_GMCR_RST_MIB_SHIFT 0 +#define ETH_GMCR_RST_MIB_MASK (1 << ETH_GMCR_RST_MIB_SHIFT) + +/* Jumbo control register port mask register */ +#define ETH_JMBCTL_PORT_REG 0x4004 + +/* Jumbo control mib good frame register */ +#define ETH_JMBCTL_MAXSIZE_REG 0x4008 + +/* ETH port data */ +struct bcm_enetsw_port { + bool used; + const char *name; + /* Config */ + bool bypass_link; + int force_speed; + bool force_duplex_full; + /* PHY */ + int phy_id; +}; + +/* ETH data */ +struct bcm6368_eth_priv { + void __iomem *base; + /* DMA */ + struct dma rx_dma; + struct dma tx_dma; + /* Ports */ + uint8_t num_ports; + struct bcm_enetsw_port used_ports[ETH_MAX_PORT]; + int sw_port_link[ETH_MAX_PORT]; + bool rgmii_override; + bool rgmii_timing; + /* PHY */ + int phy_id; +}; + +static inline bool bcm_enet_port_is_rgmii(int portid) +{ + return portid >= ETH_RGMII_PORT0; +} + +static int bcm6368_mdio_read(struct bcm6368_eth_priv *priv, uint8_t ext, + int phy_id, int reg) +{ + uint32_t val; + + writel_be(0, priv->base + MII_SC_REG); + + val = MII_SC_RD_MASK | + (phy_id << MII_SC_PHYID_SHIFT) | + (reg << MII_SC_REG_SHIFT); + + if (ext) + val |= MII_SC_EXT_MASK; + + writel_be(val, priv->base + MII_SC_REG); + udelay(50); + + return readw_be(priv->base + MII_DAT_REG); +} + +static int bcm6368_mdio_write(struct bcm6368_eth_priv *priv, uint8_t ext, + int phy_id, int reg, u16 data) +{ + uint32_t val; + + writel_be(0, priv->base + MII_SC_REG); + + val = MII_SC_WR_MASK | + (phy_id << MII_SC_PHYID_SHIFT) | + (reg << MII_SC_REG_SHIFT); + + if (ext) + val |= MII_SC_EXT_MASK; + + val |= data; + + writel_be(val, priv->base + MII_SC_REG); + udelay(50); + + return 0; +} + +static int bcm6368_eth_free_pkt(struct udevice *dev, uchar *packet, int len) +{ + struct bcm6368_eth_priv *priv = dev_get_priv(dev); + + return dma_prepare_rcv_buf(&priv->rx_dma, packet, len); +} + +static int bcm6368_eth_recv(struct udevice *dev, int flags, uchar **packetp) +{ + struct bcm6368_eth_priv *priv = dev_get_priv(dev); + + return dma_receive(&priv->rx_dma, (void**)packetp, NULL); +} + +static int bcm6368_eth_send(struct udevice *dev, void *packet, int length) +{ + struct bcm6368_eth_priv *priv = dev_get_priv(dev); + + /* pad packets smaller than ETH_ZLEN */ + if (length < ETH_ZLEN) { + memset(packet + length, 0, ETH_ZLEN - length); + length = ETH_ZLEN; + } + + return dma_send(&priv->tx_dma, packet, length, NULL); +} + +static int bcm6368_eth_adjust_link(struct udevice *dev) +{ + struct bcm6368_eth_priv *priv = dev_get_priv(dev); + unsigned int i; + + for (i = 0; i < priv->num_ports; i++) { + struct bcm_enetsw_port *port; + int val, j, up, adv, lpa, speed, duplex, media; + int external_phy = bcm_enet_port_is_rgmii(i); + u8 override; + + port = &priv->used_ports[i]; + if (!port->used) + continue; + + if (port->bypass_link) + continue; + + /* dummy read to clear */ + for (j = 0; j < 2; j++) + val = bcm6368_mdio_read(priv, external_phy, + port->phy_id, MII_BMSR); + + if (val == 0xffff) + continue; + + up = (val & BMSR_LSTATUS) ? 1 : 0; + if (!(up ^ priv->sw_port_link[i])) + continue; + + priv->sw_port_link[i] = up; + + /* link changed */ + if (!up) { + dev_info(&priv->pdev->dev, "link DOWN on %s\n", + port->name); + writeb_be(ETH_PORTOV_ENABLE_MASK, + priv->base + ETH_PORTOV_REG(i)); + writeb_be(ETH_PTCTRL_RXDIS_MASK | + ETH_PTCTRL_TXDIS_MASK, + priv->base + ETH_PTCTRL_REG(i)); + continue; + } + + adv = bcm6368_mdio_read(priv, external_phy, + port->phy_id, MII_ADVERTISE); + + lpa = bcm6368_mdio_read(priv, external_phy, port->phy_id, + MII_LPA); + + /* figure out media and duplex from advertise and LPA values */ + media = mii_nway_result(lpa & adv); + duplex = (media & ADVERTISE_FULL) ? 1 : 0; + + if (media & (ADVERTISE_100FULL | ADVERTISE_100HALF)) + speed = 100; + else + speed = 10; + + if (val & BMSR_ESTATEN) { + adv = bcm6368_mdio_read(priv, external_phy, + port->phy_id, MII_CTRL1000); + + lpa = bcm6368_mdio_read(priv, external_phy, + port->phy_id, MII_STAT1000); + + if ((adv & (ADVERTISE_1000FULL | ADVERTISE_1000HALF)) && + (lpa & (LPA_1000FULL | LPA_1000HALF))) { + speed = 1000; + duplex = (lpa & LPA_1000FULL); + } + } + + pr_alert("link UP on %s, %dMbps, %s-duplex\n", + port->name, speed, duplex ? "full" : "half"); + + override = ETH_PORTOV_ENABLE_MASK | + ETH_PORTOV_LINKUP_MASK; + + if (speed == 1000) + override |= ETH_PORTOV_1000_MASK; + else if (speed == 100) + override |= ETH_PORTOV_100_MASK; + if (duplex) + override |= ETH_PORTOV_FDX_MASK; + + writeb_be(override, priv->base + ETH_PORTOV_REG(i)); + writeb_be(0, priv->base + ETH_PTCTRL_REG(i)); + } + + return 0; +} + +static int bcm6368_eth_start(struct udevice *dev) +{ + struct bcm6368_eth_priv *priv = dev_get_priv(dev); + uint8_t i; + + /* prepare rx dma buffers */ + for (i = 0; i < ETH_RX_DESC; i++) { + int ret = dma_prepare_rcv_buf(&priv->rx_dma, net_rx_packets[i], + PKTSIZE_ALIGN); + if (ret < 0) + break; + } + + /* enable dma rx channel */ + dma_enable(&priv->rx_dma); + + /* enable dma tx channel */ + dma_enable(&priv->tx_dma); + + /* apply override config for bypass_link ports here. */ + for (i = 0; i < priv->num_ports; i++) { + struct bcm_enetsw_port *port; + u8 override; + + port = &priv->used_ports[i]; + if (!port->used) + continue; + + if (!port->bypass_link) + continue; + + override = ETH_PORTOV_ENABLE_MASK | + ETH_PORTOV_LINKUP_MASK; + + switch (port->force_speed) { + case 1000: + override |= ETH_PORTOV_1000_MASK; + break; + case 100: + override |= ETH_PORTOV_100_MASK; + break; + case 10: + break; + default: + pr_warn("%s: invalid forced speed on port %s\n", + __func__, port->name); + break; + } + + if (port->force_duplex_full) + override |= ETH_PORTOV_FDX_MASK; + + writeb_be(override, priv->base + ETH_PORTOV_REG(i)); + writeb_be(0, priv->base + ETH_PTCTRL_REG(i)); + } + + bcm6368_eth_adjust_link(dev); + + return 0; +} + +static void bcm6368_eth_stop(struct udevice *dev) +{ + struct bcm6368_eth_priv *priv = dev_get_priv(dev); + + /* disable dma rx channel */ + dma_disable(&priv->rx_dma); + + /* disable dma tx channel */ + dma_disable(&priv->tx_dma); +} + +static const struct eth_ops bcm6368_eth_ops = { + .free_pkt = bcm6368_eth_free_pkt, + .recv = bcm6368_eth_recv, + .send = bcm6368_eth_send, + .start = bcm6368_eth_start, + .stop = bcm6368_eth_stop, +}; + +static const struct udevice_id bcm6368_eth_ids[] = { + { .compatible = "brcm,bcm6368-enet", }, + { /* sentinel */ } +}; + +static bool bcm6368_phy_is_external(struct bcm6368_eth_priv *priv, int phy_id) +{ + uint8_t i; + + for (i = 0; i < priv->num_ports; ++i) { + if (!priv->used_ports[i].used) + continue; + if (priv->used_ports[i].phy_id == phy_id) + return bcm_enet_port_is_rgmii(i); + } + + return true; +} + +static int bcm6368_mii_mdio_read(struct mii_dev *bus, int addr, int devaddr, + int reg) +{ + struct bcm6368_eth_priv *priv = bus->priv; + bool ext = bcm6368_phy_is_external(priv, addr); + + return bcm6368_mdio_read(priv, ext, addr, reg); +} + +static int bcm6368_mii_mdio_write(struct mii_dev *bus, int addr, int devaddr, + int reg, u16 data) +{ + struct bcm6368_eth_priv *priv = bus->priv; + bool ext = bcm6368_phy_is_external(priv, addr); + + return bcm6368_mdio_write(priv, ext, addr, reg, data); +} + +static int bcm6368_mdio_init(const char *name, struct bcm6368_eth_priv *priv) +{ + struct mii_dev *bus; + + bus = mdio_alloc(); + if (!bus) { + pr_err("%s: failed to allocate MDIO bus\n", __func__); + return -ENOMEM; + } + + bus->read = bcm6368_mii_mdio_read; + bus->write = bcm6368_mii_mdio_write; + bus->priv = priv; + snprintf(bus->name, sizeof(bus->name), "%s", name); + + return mdio_register(bus); +} + +static int bcm6368_eth_probe(struct udevice *dev) +{ + struct eth_pdata *pdata = dev_get_platdata(dev); + struct bcm6368_eth_priv *priv = dev_get_priv(dev); + int num_ports, ret, i; + uint32_t val; + ofnode node; + + /* get base address */ + priv->base = dev_remap_addr(dev); + if (!priv->base) + return -EINVAL; + pdata->iobase = (phys_addr_t) priv->base; + + /* get number of ports */ + num_ports = dev_read_u32_default(dev, "brcm,num-ports", ETH_MAX_PORT); + if (!num_ports || num_ports > ETH_MAX_PORT) + return -EINVAL; + + /* get dma channels */ + ret = dma_get_by_name(dev, "tx", &priv->tx_dma); + if (ret) + return -EINVAL; + + ret = dma_get_by_name(dev, "rx", &priv->rx_dma); + if (ret) + return -EINVAL; + + /* try to enable clocks */ + for (i = 0; ; i++) { + struct clk clk; + int ret; + + ret = clk_get_by_index(dev, i, &clk); + if (ret < 0) + break; + + ret = clk_enable(&clk); + if (ret < 0) { + pr_err("%s: error enabling clock %d\n", __func__, i); + return ret; + } + + ret = clk_free(&clk); + if (ret < 0) { + pr_err("%s: error freeing clock %d\n", __func__, i); + return ret; + } + } + + /* try to perform resets */ + for (i = 0; ; i++) { + struct reset_ctl reset; + int ret; + + ret = reset_get_by_index(dev, i, &reset); + if (ret < 0) + break; + + ret = reset_deassert(&reset); + if (ret < 0) { + pr_err("%s: error deasserting reset %d\n", __func__, i); + return ret; + } + + ret = reset_free(&reset); + if (ret < 0) { + pr_err("%s: error freeing reset %d\n", __func__, i); + return ret; + } + } + + /* set priv data */ + priv->num_ports = num_ports; + if (dev_read_bool(dev, "brcm,rgmii-override")) + priv->rgmii_override = true; + if (dev_read_bool(dev, "brcm,rgmii-timing")) + priv->rgmii_timing = true; + + /* get ports */ + dev_for_each_subnode(node, dev) { + const char *comp; + const char *label; + unsigned int p; + int phy_id; + int speed; + + comp = ofnode_read_string(node, "compatible"); + if (!comp || memcmp(comp, ETH_PORT_STR, sizeof(ETH_PORT_STR))) + continue; + + p = ofnode_read_u32_default(node, "reg", ETH_MAX_PORT); + if (p >= num_ports) + return -EINVAL; + + label = ofnode_read_string(node, "label"); + if (!label) { + debug("%s: node %s has no label\n", __func__, + ofnode_get_name(node)); + return -EINVAL; + } + + phy_id = ofnode_read_u32_default(node, "brcm,phy-id", -1); + + priv->used_ports[p].used = true; + priv->used_ports[p].name = label; + priv->used_ports[p].phy_id = phy_id; + + if (ofnode_read_bool(node, "full-duplex")) + priv->used_ports[p].force_duplex_full = true; + if (ofnode_read_bool(node, "bypass-link")) + priv->used_ports[p].bypass_link = true; + speed = ofnode_read_u32_default(node, "speed", 0); + if (speed) + priv->used_ports[p].force_speed = speed; + } + + /* init mii bus */ + ret = bcm6368_mdio_init(dev->name, priv); + if (ret) + return ret; + + /* disable all ports */ + for (i = 0; i < priv->num_ports; i++) { + writeb_be(ETH_PORTOV_ENABLE_MASK, + priv->base + ETH_PORTOV_REG(i)); + writeb_be(ETH_PTCTRL_RXDIS_MASK | + ETH_PTCTRL_TXDIS_MASK, + priv->base + ETH_PTCTRL_REG(i)); + + priv->sw_port_link[i] = 0; + } + + /* enable external ports */ + for (i = ETH_RGMII_PORT0; i < priv->num_ports; i++) { + u8 rgmii_ctrl; + + if (!priv->used_ports[i].used) + continue; + + rgmii_ctrl = readb_be(priv->base + ETH_RGMII_CTRL_REG(i)); + rgmii_ctrl |= ETH_RGMII_CTRL_GMII_CLK_EN; + if (priv->rgmii_override) + rgmii_ctrl |= ETH_RGMII_CTRL_MII_OVERRIDE_EN; + if (priv->rgmii_timing) + rgmii_ctrl |= ETH_RGMII_CTRL_TIMING_SEL_EN; + writeb_be(rgmii_ctrl, priv->base + ETH_RGMII_CTRL_REG(i)); + } + + /* reset mib */ + val = readb_be(priv->base + ETH_GMCR_REG); + val |= ETH_GMCR_RST_MIB_MASK; + writeb_be(val, priv->base + ETH_GMCR_REG); + mdelay(1); + val &= ~ETH_GMCR_RST_MIB_MASK; + writeb_be(val, priv->base + ETH_GMCR_REG); + mdelay(1); + + /* force CPU port state */ + val = readb_be(priv->base + ETH_IMPOV_REG); + val |= ETH_IMPOV_FORCE_MASK | ETH_IMPOV_LINKUP_MASK; + writeb_be(val, priv->base + ETH_IMPOV_REG); + + /* enable switch forward engine */ + val = readb_be(priv->base + ETH_SWMODE_REG); + val |= ETH_SWMODE_FWD_EN_MASK; + writeb_be(val, priv->base + ETH_SWMODE_REG); + + /* enable jumbo on all ports */ + writel_be(0x1ff, priv->base + ETH_JMBCTL_PORT_REG); + writew_be(9728, priv->base + ETH_JMBCTL_MAXSIZE_REG); + + return 0; +} + +U_BOOT_DRIVER(bcm6368_eth) = { + .name = "bcm6368_eth", + .id = UCLASS_ETH, + .of_match = bcm6368_eth_ids, + .ops = &bcm6368_eth_ops, + .platdata_auto_alloc_size = sizeof(struct eth_pdata), + .priv_auto_alloc_size = sizeof(struct bcm6368_eth_priv), + .probe = bcm6368_eth_probe, +}; From d9c1f0c23f16341916fe8797472cb37e9bdbabe9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 1 Dec 2018 19:00:33 +0100 Subject: [PATCH 19/47] bmips: bcm6368: add support for bcm6368-enet MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- arch/mips/dts/brcm,bcm6368.dtsi | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/arch/mips/dts/brcm,bcm6368.dtsi b/arch/mips/dts/brcm,bcm6368.dtsi index 30047f63601..89590d6ff9f 100644 --- a/arch/mips/dts/brcm,bcm6368.dtsi +++ b/arch/mips/dts/brcm,bcm6368.dtsi @@ -205,5 +205,24 @@ #dma-cells = <1>; dma-channels = <8>; }; + + enet: ethernet@10f00000 { + compatible = "brcm,bcm6368-enet"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x10f00000 0x10000>; + clocks = <&periph_clk BCM6368_CLK_SWPKT_USB>, + <&periph_clk BCM6368_CLK_SWPKT_SAR>, + <&periph_clk BCM6368_CLK_ROBOSW>; + resets = <&periph_rst BCM6368_RST_SWITCH>, + <&periph_rst BCM6368_RST_EPHY>; + dmas = <&iudma BCM6368_DMA_ENETSW_RX>, + <&iudma BCM6368_DMA_ENETSW_TX>; + dma-names = "rx", + "tx"; + brcm,num-ports = <6>; + + status = "disabled"; + }; }; }; From 2e498f23ac298133173876afefea8cbf85721f4e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 1 Dec 2018 19:00:34 +0100 Subject: [PATCH 20/47] bmips: enable wap-5813n enet support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- arch/mips/dts/comtrend,wap-5813n.dts | 14 ++++++++++++++ configs/comtrend_wap5813n_ram_defconfig | 8 +++++++- 2 files changed, 21 insertions(+), 1 deletion(-) diff --git a/arch/mips/dts/comtrend,wap-5813n.dts b/arch/mips/dts/comtrend,wap-5813n.dts index bd41dab9f8e..7e835b28d2c 100644 --- a/arch/mips/dts/comtrend,wap-5813n.dts +++ b/arch/mips/dts/comtrend,wap-5813n.dts @@ -54,6 +54,20 @@ status = "okay"; }; +&enet { + status = "okay"; + + port@4 { + compatible = "brcm,enetsw-port"; + reg = <4>; + label = "rgmii"; + brcm,phy-id = <0xff>; + speed = <1000>; + full-duplex; + bypass-link; + }; +}; + &gpio0 { status = "okay"; }; diff --git a/configs/comtrend_wap5813n_ram_defconfig b/configs/comtrend_wap5813n_ram_defconfig index 987e4c3fbce..fd5107bb7d8 100644 --- a/configs/comtrend_wap5813n_ram_defconfig +++ b/configs/comtrend_wap5813n_ram_defconfig @@ -25,11 +25,14 @@ CONFIG_CMD_LICENSE=y CONFIG_CMD_MEMINFO=y # CONFIG_CMD_LOADS is not set CONFIG_CMD_USB=y +CONFIG_CMD_MII=y +CONFIG_CMD_PING=y # CONFIG_CMD_MISC is not set CONFIG_OF_EMBED=y CONFIG_DEFAULT_DEVICE_TREE="comtrend,wap-5813n" -# CONFIG_NET is not set +CONFIG_NET_RANDOM_ETHADDR=y # CONFIG_DM_DEVICE_REMOVE is not set +CONFIG_BCM6348_IUDMA=y CONFIG_DM_GPIO=y CONFIG_BCM6345_GPIO=y CONFIG_LED=y @@ -40,6 +43,9 @@ CONFIG_FLASH_CFI_DRIVER=y CONFIG_CFI_FLASH=y CONFIG_SYS_FLASH_PROTECTION=y CONFIG_SYS_FLASH_CFI=y +CONFIG_DM_ETH=y +CONFIG_PHY_GIGE=y +CONFIG_BCM6368_ETH=y CONFIG_PHY=y CONFIG_BCM6368_USBH_PHY=y CONFIG_DM_RESET=y From 45934ed8460e99e2a83c7d8f329fcfa6d8f39904 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 1 Dec 2018 19:00:35 +0100 Subject: [PATCH 21/47] bmips: bcm6328: add support for bcm6368-enet MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- arch/mips/dts/brcm,bcm6328.dtsi | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/mips/dts/brcm,bcm6328.dtsi b/arch/mips/dts/brcm,bcm6328.dtsi index 6fa49e22bb1..50beed4171a 100644 --- a/arch/mips/dts/brcm,bcm6328.dtsi +++ b/arch/mips/dts/brcm,bcm6328.dtsi @@ -200,5 +200,22 @@ #dma-cells = <1>; dma-channels = <8>; }; + + enet: ethernet@10e00000 { + compatible = "brcm,bcm6368-enet"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x10e00000 0x10000>; + clocks = <&periph_clk BCM6328_CLK_ROBOSW>; + resets = <&periph_rst BCM6328_RST_ENETSW>, + <&periph_rst BCM6328_RST_EPHY>; + dmas = <&iudma BCM6328_DMA_ENETSW_RX>, + <&iudma BCM6328_DMA_ENETSW_TX>; + dma-names = "rx", + "tx"; + brcm,num-ports = <5>; + + status = "disabled"; + }; }; }; From 54468f5853bb61a5e836a063f9aecc0469ba9033 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 1 Dec 2018 19:00:36 +0100 Subject: [PATCH 22/47] bmips: enable ar-5387un enet support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- arch/mips/dts/comtrend,ar-5387un.dts | 32 +++++++++++++++++++++++++ configs/comtrend_ar5387un_ram_defconfig | 7 +++++- 2 files changed, 38 insertions(+), 1 deletion(-) diff --git a/arch/mips/dts/comtrend,ar-5387un.dts b/arch/mips/dts/comtrend,ar-5387un.dts index e993b5cd89d..03e3851ab15 100644 --- a/arch/mips/dts/comtrend,ar-5387un.dts +++ b/arch/mips/dts/comtrend,ar-5387un.dts @@ -24,6 +24,38 @@ status = "okay"; }; +&enet { + status = "okay"; + + port@0 { + compatible = "brcm,enetsw-port"; + reg = <0>; + label = "fe1"; + brcm,phy-id = <1>; + }; + + port@1 { + compatible = "brcm,enetsw-port"; + reg = <1>; + label = "fe2"; + brcm,phy-id = <2>; + }; + + port@2 { + compatible = "brcm,enetsw-port"; + reg = <2>; + label = "fe3"; + brcm,phy-id = <3>; + }; + + port@3 { + compatible = "brcm,enetsw-port"; + reg = <3>; + label = "fe4"; + brcm,phy-id = <4>; + }; +}; + &leds { status = "okay"; diff --git a/configs/comtrend_ar5387un_ram_defconfig b/configs/comtrend_ar5387un_ram_defconfig index f129870ca06..5ba401a4419 100644 --- a/configs/comtrend_ar5387un_ram_defconfig +++ b/configs/comtrend_ar5387un_ram_defconfig @@ -28,11 +28,14 @@ CONFIG_CMD_MEMINFO=y CONFIG_CMD_SF=y CONFIG_CMD_SPI=y CONFIG_CMD_USB=y +CONFIG_CMD_MII=y +CONFIG_CMD_PING=y # CONFIG_CMD_MISC is not set CONFIG_OF_EMBED=y CONFIG_DEFAULT_DEVICE_TREE="comtrend,ar-5387un" -# CONFIG_NET is not set +CONFIG_NET_RANDOM_ETHADDR=y # CONFIG_DM_DEVICE_REMOVE is not set +CONFIG_BCM6348_IUDMA=y CONFIG_DM_GPIO=y CONFIG_LED=y CONFIG_LED_BCM6328=y @@ -41,6 +44,8 @@ CONFIG_DM_SPI_FLASH=y CONFIG_SPI_FLASH=y CONFIG_SPI_FLASH_MACRONIX=y CONFIG_SPI_FLASH_MTD=y +CONFIG_DM_ETH=y +CONFIG_BCM6368_ETH=y CONFIG_PHY=y CONFIG_BCM6368_USBH_PHY=y CONFIG_POWER_DOMAIN=y From 4518a24c290ae93b2d18282ae65423cf2acc2ff6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 1 Dec 2018 19:00:37 +0100 Subject: [PATCH 23/47] bmips: bcm6362: add support for bcm6368-enet MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- arch/mips/dts/brcm,bcm6362.dtsi | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/arch/mips/dts/brcm,bcm6362.dtsi b/arch/mips/dts/brcm,bcm6362.dtsi index 94e7de096dc..c77b80a4cca 100644 --- a/arch/mips/dts/brcm,bcm6362.dtsi +++ b/arch/mips/dts/brcm,bcm6362.dtsi @@ -224,5 +224,24 @@ #dma-cells = <1>; dma-channels = <8>; }; + + enet: ethernet@10e00000 { + compatible = "brcm,bcm6368-enet"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x10e00000 0x10000>; + clocks = <&periph_clk BCM6362_CLK_SWPKT_USB>, + <&periph_clk BCM6362_CLK_SWPKT_SAR>, + <&periph_clk BCM6362_CLK_ROBOSW>; + resets = <&periph_rst BCM6362_RST_ENETSW>, + <&periph_rst BCM6362_RST_EPHY>; + dmas = <&iudma BCM6362_DMA_ENETSW_RX>, + <&iudma BCM6362_DMA_ENETSW_TX>; + dma-names = "rx", + "tx"; + brcm,num-ports = <6>; + + status = "disabled"; + }; }; }; From ba329fd1f2c7d411cdf1e83bdbaf2c878a02ba79 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 1 Dec 2018 19:00:38 +0100 Subject: [PATCH 24/47] bmips: enable dgnd3700v2 enet support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- arch/mips/dts/netgear,dgnd3700v2.dts | 14 ++++++++++++++ configs/netgear_dgnd3700v2_ram_defconfig | 8 +++++++- 2 files changed, 21 insertions(+), 1 deletion(-) diff --git a/arch/mips/dts/netgear,dgnd3700v2.dts b/arch/mips/dts/netgear,dgnd3700v2.dts index 322d1567ffd..2b72491f0b2 100644 --- a/arch/mips/dts/netgear,dgnd3700v2.dts +++ b/arch/mips/dts/netgear,dgnd3700v2.dts @@ -43,6 +43,20 @@ status = "okay"; }; +&enet { + status = "okay"; + + port@4 { + compatible = "brcm,enetsw-port"; + reg = <4>; + label = "rgmii"; + brcm,phy-id = <0xff>; + speed = <1000>; + full-duplex; + bypass-link; + }; +}; + &gpio0 { status = "okay"; }; diff --git a/configs/netgear_dgnd3700v2_ram_defconfig b/configs/netgear_dgnd3700v2_ram_defconfig index 1abc8698560..0f3914fe7e2 100644 --- a/configs/netgear_dgnd3700v2_ram_defconfig +++ b/configs/netgear_dgnd3700v2_ram_defconfig @@ -27,17 +27,23 @@ CONFIG_CMD_MEMINFO=y # CONFIG_CMD_FLASH is not set # CONFIG_CMD_LOADS is not set CONFIG_CMD_USB=y -# CONFIG_CMD_NET is not set +CONFIG_CMD_MII=y +CONFIG_CMD_PING=y # CONFIG_CMD_MISC is not set CONFIG_OF_EMBED=y CONFIG_DEFAULT_DEVICE_TREE="netgear,dgnd3700v2" +CONFIG_NET_RANDOM_ETHADDR=y # CONFIG_DM_DEVICE_REMOVE is not set +CONFIG_BCM6348_IUDMA=y CONFIG_DM_GPIO=y CONFIG_BCM6345_GPIO=y CONFIG_LED=y CONFIG_LED_BCM6328=y CONFIG_LED_BLINK=y CONFIG_LED_GPIO=y +CONFIG_DM_ETH=y +CONFIG_PHY_GIGE=y +CONFIG_BCM6368_ETH=y CONFIG_PHY=y CONFIG_BCM6368_USBH_PHY=y CONFIG_POWER_DOMAIN=y From b07f2dc6a055ef4f1486c97c0cffd992fb2ba8a5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 1 Dec 2018 19:00:39 +0100 Subject: [PATCH 25/47] bmips: bcm63268: add support for bcm6368-enet MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- arch/mips/dts/brcm,bcm63268.dtsi | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/arch/mips/dts/brcm,bcm63268.dtsi b/arch/mips/dts/brcm,bcm63268.dtsi index c7ad83c306a..f8a72ef535d 100644 --- a/arch/mips/dts/brcm,bcm63268.dtsi +++ b/arch/mips/dts/brcm,bcm63268.dtsi @@ -230,5 +230,30 @@ #dma-cells = <1>; dma-channels = <8>; }; + + enet: ethernet@10700000 { + compatible = "brcm,bcm6368-enet"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x10700000 0x10000>; + clocks = <&periph_clk BCM63268_CLK_GMAC>, + <&periph_clk BCM63268_CLK_ROBOSW>, + <&periph_clk BCM63268_CLK_ROBOSW250>, + <&timer_clk BCM63268_TCLK_EPHY1>, + <&timer_clk BCM63268_TCLK_EPHY2>, + <&timer_clk BCM63268_TCLK_EPHY3>, + <&timer_clk BCM63268_TCLK_GPHY>; + resets = <&periph_rst BCM63268_RST_ENETSW>, + <&periph_rst BCM63268_RST_EPHY>, + <&periph_rst BCM63268_RST_GPHY>; + dmas = <&iudma BCM63268_DMA_ENETSW_RX>, + <&iudma BCM63268_DMA_ENETSW_TX>; + dma-names = "rx", + "tx"; + brcm,rgmii-override; + brcm,rgmii-timing; + + status = "disabled"; + }; }; }; From 173e3aec81641dc7913f98fff9673b003918257f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 1 Dec 2018 19:00:40 +0100 Subject: [PATCH 26/47] bmips: enable vr-3032u enet support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- arch/mips/dts/comtrend,vr-3032u.dts | 32 ++++++++++++++++++++++++++ configs/comtrend_vr3032u_ram_defconfig | 7 +++++- 2 files changed, 38 insertions(+), 1 deletion(-) diff --git a/arch/mips/dts/comtrend,vr-3032u.dts b/arch/mips/dts/comtrend,vr-3032u.dts index 8c6a4a1eac9..512cb52de30 100644 --- a/arch/mips/dts/comtrend,vr-3032u.dts +++ b/arch/mips/dts/comtrend,vr-3032u.dts @@ -24,6 +24,38 @@ status = "okay"; }; +&enet { + status = "okay"; + + port@0 { + compatible = "brcm,enetsw-port"; + reg = <0>; + label = "fe2"; + brcm,phy-id = <1>; + }; + + port@1 { + compatible = "brcm,enetsw-port"; + reg = <1>; + label = "fe3"; + brcm,phy-id = <2>; + }; + + port@2 { + compatible = "brcm,enetsw-port"; + reg = <2>; + label = "fe4"; + brcm,phy-id = <3>; + }; + + port@3 { + compatible = "brcm,enetsw-port"; + reg = <3>; + label = "fe1"; + brcm,phy-id = <4>; + }; +}; + &leds { status = "okay"; brcm,serial-leds; diff --git a/configs/comtrend_vr3032u_ram_defconfig b/configs/comtrend_vr3032u_ram_defconfig index 1689eecec15..47f53998e12 100644 --- a/configs/comtrend_vr3032u_ram_defconfig +++ b/configs/comtrend_vr3032u_ram_defconfig @@ -26,15 +26,20 @@ CONFIG_CMD_MEMINFO=y # CONFIG_CMD_FLASH is not set # CONFIG_CMD_LOADS is not set CONFIG_CMD_USB=y +CONFIG_CMD_MII=y +CONFIG_CMD_PING=y # CONFIG_CMD_MISC is not set CONFIG_OF_EMBED=y CONFIG_DEFAULT_DEVICE_TREE="comtrend,vr-3032u" -# CONFIG_NET is not set +CONFIG_NET_RANDOM_ETHADDR=y # CONFIG_DM_DEVICE_REMOVE is not set +CONFIG_BCM6348_IUDMA=y CONFIG_DM_GPIO=y CONFIG_LED=y CONFIG_LED_BCM6328=y CONFIG_LED_BLINK=y +CONFIG_DM_ETH=y +CONFIG_BCM6368_ETH=y CONFIG_PHY=y CONFIG_BCM6368_USBH_PHY=y CONFIG_POWER_DOMAIN=y From 93bd64bf0551e51d96cd25e107ca6589372d4377 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 1 Dec 2018 19:00:41 +0100 Subject: [PATCH 27/47] bmips: bcm6318: add support for bcm6368-enet MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- arch/mips/dts/brcm,bcm6318.dtsi | 19 +++++++++++++++++++ include/dt-bindings/clock/bcm6318-clock.h | 11 +++++++++++ 2 files changed, 30 insertions(+) diff --git a/arch/mips/dts/brcm,bcm6318.dtsi b/arch/mips/dts/brcm,bcm6318.dtsi index d04b7cbb017..d678dab242b 100644 --- a/arch/mips/dts/brcm,bcm6318.dtsi +++ b/arch/mips/dts/brcm,bcm6318.dtsi @@ -190,6 +190,25 @@ status = "disabled"; }; + enet: ethernet@10080000 { + compatible = "brcm,bcm6368-enet"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x10080000 0x8000>; + clocks = <&periph_clk BCM6318_CLK_ROBOSW250>, + <&periph_clk BCM6318_CLK_ROBOSW025>, + <&ubus_clk BCM6318_UCLK_ROBOSW>; + resets = <&periph_rst BCM6318_RST_ENETSW>, + <&periph_rst BCM6318_RST_EPHY>; + dmas = <&iudma BCM6318_DMA_ENETSW_RX>, + <&iudma BCM6318_DMA_ENETSW_TX>; + dma-names = "rx", + "tx"; + brcm,num-ports = <5>; + + status = "disabled"; + }; + iudma: dma-controller@10088000 { compatible = "brcm,bcm6368-iudma"; reg = <0x10088000 0x80>, diff --git a/include/dt-bindings/clock/bcm6318-clock.h b/include/dt-bindings/clock/bcm6318-clock.h index d5e13c5c2d3..3f10448cef1 100644 --- a/include/dt-bindings/clock/bcm6318-clock.h +++ b/include/dt-bindings/clock/bcm6318-clock.h @@ -33,4 +33,15 @@ #define BCM6318_CLK_AFE 29 #define BCM6318_CLK_QPROC 30 +#define BCM6318_UCLK_ADSL 0 +#define BCM6318_UCLK_ARB 1 +#define BCM6318_UCLK_MIPS 2 +#define BCM6318_UCLK_PCIE 3 +#define BCM6318_UCLK_PERIPH 4 +#define BCM6318_UCLK_PHYMIPS 5 +#define BCM6318_UCLK_ROBOSW 6 +#define BCM6318_UCLK_SAR 7 +#define BCM6318_UCLK_SDR 8 +#define BCM6318_UCLK_USB 9 + #endif /* __DT_BINDINGS_CLOCK_BCM6318_H */ From a4bfa0e969b82a2efd76784887dc9f790f055d6c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 1 Dec 2018 19:00:42 +0100 Subject: [PATCH 28/47] bmips: enable ar-5315u enet support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- arch/mips/dts/comtrend,ar-5315u.dts | 32 ++++++++++++++++++++++++++ configs/comtrend_ar5315u_ram_defconfig | 7 +++++- 2 files changed, 38 insertions(+), 1 deletion(-) diff --git a/arch/mips/dts/comtrend,ar-5315u.dts b/arch/mips/dts/comtrend,ar-5315u.dts index 45570189d0b..eb60aaa8d5f 100644 --- a/arch/mips/dts/comtrend,ar-5315u.dts +++ b/arch/mips/dts/comtrend,ar-5315u.dts @@ -24,6 +24,38 @@ status = "okay"; }; +&enet { + status = "okay"; + + port@0 { + compatible = "brcm,enetsw-port"; + reg = <0>; + label = "fe4"; + brcm,phy-id = <1>; + }; + + port@1 { + compatible = "brcm,enetsw-port"; + reg = <1>; + label = "fe3"; + brcm,phy-id = <2>; + }; + + port@2 { + compatible = "brcm,enetsw-port"; + reg = <2>; + label = "fe2"; + brcm,phy-id = <3>; + }; + + port@3 { + compatible = "brcm,enetsw-port"; + reg = <3>; + label = "fe1"; + brcm,phy-id = <4>; + }; +}; + &leds { status = "okay"; diff --git a/configs/comtrend_ar5315u_ram_defconfig b/configs/comtrend_ar5315u_ram_defconfig index d9ef52e68d2..1b8e4e43c4c 100644 --- a/configs/comtrend_ar5315u_ram_defconfig +++ b/configs/comtrend_ar5315u_ram_defconfig @@ -28,11 +28,14 @@ CONFIG_CMD_MEMINFO=y CONFIG_CMD_SF=y CONFIG_CMD_SPI=y CONFIG_CMD_USB=y +CONFIG_CMD_MII=y +CONFIG_CMD_PING=y # CONFIG_CMD_MISC is not set CONFIG_OF_EMBED=y CONFIG_DEFAULT_DEVICE_TREE="comtrend,ar-5315u" -# CONFIG_NET is not set +CONFIG_NET_RANDOM_ETHADDR=y # CONFIG_DM_DEVICE_REMOVE is not set +CONFIG_BCM6348_IUDMA=y CONFIG_DM_GPIO=y CONFIG_LED=y CONFIG_LED_BCM6328=y @@ -41,6 +44,8 @@ CONFIG_DM_SPI_FLASH=y CONFIG_SPI_FLASH=y CONFIG_SPI_FLASH_WINBOND=y CONFIG_SPI_FLASH_MTD=y +CONFIG_DM_ETH=y +CONFIG_BCM6368_ETH=y CONFIG_PHY=y CONFIG_BCM6318_USBH_PHY=y CONFIG_BCM6328_POWER_DOMAIN=y From d2f02586fdd43b7a8aed9ce305599a478cfde3b0 Mon Sep 17 00:00:00 2001 From: Daniel Schwierzeck Date: Sat, 15 Dec 2018 19:05:08 +0100 Subject: [PATCH 29/47] mips: ath79: fix DTC warnings Remove all interrupt nodes that cause warnings regarding a missing interrupt parent. There are no interrupt controller nodes defined and the device trees don't match the ones in Linux anymore. Signed-off-by: Daniel Schwierzeck --- arch/mips/dts/ar933x.dtsi | 3 --- arch/mips/dts/qca953x.dtsi | 3 --- 2 files changed, 6 deletions(-) diff --git a/arch/mips/dts/ar933x.dtsi b/arch/mips/dts/ar933x.dtsi index 85fb14b13bd..37354324fe0 100644 --- a/arch/mips/dts/ar933x.dtsi +++ b/arch/mips/dts/ar933x.dtsi @@ -3,7 +3,6 @@ * Copyright (C) 2015-2016 Wills Wang */ -#include #include "skeleton.dtsi" / { @@ -68,7 +67,6 @@ uart0: uart@18020000 { compatible = "qca,ar9330-uart"; reg = <0x18020000 0x20>; - interrupts = <128 IRQ_TYPE_LEVEL_HIGH>; status = "disabled"; }; @@ -103,7 +101,6 @@ spi0: spi@1f000000 { compatible = "qca,ar7100-spi"; reg = <0x1f000000 0x10>; - interrupts = <129 IRQ_TYPE_LEVEL_HIGH>; status = "disabled"; diff --git a/arch/mips/dts/qca953x.dtsi b/arch/mips/dts/qca953x.dtsi index 599e809c479..ba29ea287e2 100644 --- a/arch/mips/dts/qca953x.dtsi +++ b/arch/mips/dts/qca953x.dtsi @@ -3,7 +3,6 @@ * Copyright (C) 2015-2016 Wills Wang */ -#include #include "skeleton.dtsi" / { @@ -63,7 +62,6 @@ reg = <0x18020000 0x20>; reg-shift = <2>; clock-frequency = <25000000>; - interrupts = <128 IRQ_TYPE_LEVEL_HIGH>; status = "disabled"; }; @@ -72,7 +70,6 @@ spi0: spi@1f000000 { compatible = "qca,ar7100-spi"; reg = <0x1f000000 0x10>; - interrupts = <129 IRQ_TYPE_LEVEL_HIGH>; status = "disabled"; From 8da7495299230fb77d354ad507c5216f46d1dd37 Mon Sep 17 00:00:00 2001 From: Daniel Schwierzeck Date: Sat, 15 Dec 2018 19:19:33 +0100 Subject: [PATCH 30/47] mips: xilfpga: fix DTC warnings This fixes following DTC warning: arch/mips/dts/nexys4ddr.dtb: Warning (compatible_is_string_list): /ethernet@10e00000/mdio/phy@1:compatible: property is not a string list As upstream DTS in Linux doesn't have the offending property, simply remove it to fix the warning. Signed-off-by: Daniel Schwierzeck --- arch/mips/dts/nexys4ddr.dts | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/mips/dts/nexys4ddr.dts b/arch/mips/dts/nexys4ddr.dts index e254ab1eaaf..6de8584ea79 100644 --- a/arch/mips/dts/nexys4ddr.dts +++ b/arch/mips/dts/nexys4ddr.dts @@ -40,7 +40,6 @@ #address-cells = <1>; #size-cells = <0>; phy0: phy@1 { - compatible = <0x0007c0f0 0xfffffff0>; device_type = "ethernet-phy"; reg = <1>; } ; From a5f50e0114f9fd39c16e416aad2aa292aaaaacd6 Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Tue, 18 Dec 2018 10:27:14 +0100 Subject: [PATCH 31/47] mips: mt76xx: Flush d-cache in arch_misc_init() to solve d-cache issues It has been noticed, that sometimes the d-cache is not in a "clean-state" when U-Boot is running on MT7688. This was detected when using the ethernet driver (which uses d-cache) and a TFTP command does not complete. Flushing the complete d-cache (again?) here seems to fix this issue. Signed-off-by: Stefan Roese Cc: Daniel Schwierzeck --- arch/mips/Kconfig | 2 +- arch/mips/mach-mt7620/cpu.c | 14 +++++++++++++- 2 files changed, 14 insertions(+), 2 deletions(-) diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 1b1b1d7d003..355d3b4d913 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -79,7 +79,7 @@ config ARCH_MT7620 select DM_SERIAL imply DM_SPI imply DM_SPI_FLASH - select ARCH_MISC_INIT if WATCHDOG + select ARCH_MISC_INIT select MIPS_TUNE_24KC select OF_CONTROL select ROM_EXCEPTION_VECTORS diff --git a/arch/mips/mach-mt7620/cpu.c b/arch/mips/mach-mt7620/cpu.c index 87cc973b756..9e0ca716f72 100644 --- a/arch/mips/mach-mt7620/cpu.c +++ b/arch/mips/mach-mt7620/cpu.c @@ -89,9 +89,21 @@ void watchdog_reset(void) wdt_reset(watchdog_dev); } } +#endif int arch_misc_init(void) { + /* + * It has been noticed, that sometimes the d-cache is not in a + * "clean-state" when U-Boot is running on MT7688. This was + * detected when using the ethernet driver (which uses d-cache) + * and a TFTP command does not complete. Flushing the complete + * d-cache (again?) here seems to fix this issue. + */ + flush_dcache_range(gd->bd->bi_memstart, + gd->bd->bi_memstart + gd->ram_size - 1); + +#ifdef CONFIG_WATCHDOG /* Init watchdog */ if (uclass_get_device_by_seq(UCLASS_WDT, 0, &watchdog_dev)) { debug("Watchdog: Not found by seq!\n"); @@ -103,7 +115,7 @@ int arch_misc_init(void) wdt_start(watchdog_dev, 60000, 0); /* 60 seconds */ printf("Watchdog: Started\n"); +#endif return 0; } -#endif From 9766a9c65322402b3f0af7aa1f7d258d18dab9d1 Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Tue, 18 Dec 2018 10:27:15 +0100 Subject: [PATCH 32/47] mips: mt76xx: linkit/gardena: Don't use CONFIG_OF_EMBED Building with CONFIG_OF_EMBED generates build warnings, as it should only be used for debugging purposes. So let's move all MT7688 targets to CONFIG_OF_SEPARATE instead with this patch. Signed-off-by: Stefan Roese Cc: Daniel Schwierzeck --- configs/gardena-smart-gateway-mt7688-ram_defconfig | 1 - configs/gardena-smart-gateway-mt7688_defconfig | 1 - configs/linkit-smart-7688-ram_defconfig | 1 - configs/linkit-smart-7688_defconfig | 1 - 4 files changed, 4 deletions(-) diff --git a/configs/gardena-smart-gateway-mt7688-ram_defconfig b/configs/gardena-smart-gateway-mt7688-ram_defconfig index 05e7cf9f884..ae8bf2981f3 100644 --- a/configs/gardena-smart-gateway-mt7688-ram_defconfig +++ b/configs/gardena-smart-gateway-mt7688-ram_defconfig @@ -36,7 +36,6 @@ CONFIG_CMD_MTDPARTS=y CONFIG_MTDIDS_DEFAULT="spi-nand0=gd5f,nor0=spi0.0" CONFIG_MTDPARTS_DEFAULT="spi0.0:640k(uboot),64k(uboot_env0),64k(uboot_env1),64k(factory),-(unused);gd5f:-(nand)" CONFIG_CMD_UBI=y -CONFIG_OF_EMBED=y CONFIG_DEFAULT_DEVICE_TREE="gardena-smart-gateway-mt7688" CONFIG_ENV_IS_IN_SPI_FLASH=y CONFIG_NET_RANDOM_ETHADDR=y diff --git a/configs/gardena-smart-gateway-mt7688_defconfig b/configs/gardena-smart-gateway-mt7688_defconfig index a08d1dbc9c7..b7024e3dec1 100644 --- a/configs/gardena-smart-gateway-mt7688_defconfig +++ b/configs/gardena-smart-gateway-mt7688_defconfig @@ -39,7 +39,6 @@ CONFIG_CMD_MTDPARTS=y CONFIG_MTDIDS_DEFAULT="spi-nand0=gd5f,nor0=spi0.0" CONFIG_MTDPARTS_DEFAULT="spi0.0:640k(uboot),64k(uboot_env0),64k(uboot_env1),64k(factory),-(unused);gd5f:-(nand)" CONFIG_CMD_UBI=y -CONFIG_OF_EMBED=y CONFIG_DEFAULT_DEVICE_TREE="gardena-smart-gateway-mt7688" CONFIG_ENV_IS_IN_SPI_FLASH=y CONFIG_NET_RANDOM_ETHADDR=y diff --git a/configs/linkit-smart-7688-ram_defconfig b/configs/linkit-smart-7688-ram_defconfig index 2d20e9edd98..2d3ab7e35c3 100644 --- a/configs/linkit-smart-7688-ram_defconfig +++ b/configs/linkit-smart-7688-ram_defconfig @@ -26,7 +26,6 @@ CONFIG_CMD_DHCP=y CONFIG_CMD_MII=y CONFIG_CMD_PING=y CONFIG_CMD_TIME=y -CONFIG_OF_EMBED=y CONFIG_DEFAULT_DEVICE_TREE="linkit-smart-7688" CONFIG_ENV_IS_IN_SPI_FLASH=y CONFIG_NET_RANDOM_ETHADDR=y diff --git a/configs/linkit-smart-7688_defconfig b/configs/linkit-smart-7688_defconfig index 5add29fb333..ad34aaf640c 100644 --- a/configs/linkit-smart-7688_defconfig +++ b/configs/linkit-smart-7688_defconfig @@ -30,7 +30,6 @@ CONFIG_CMD_DHCP=y CONFIG_CMD_MII=y CONFIG_CMD_PING=y CONFIG_CMD_TIME=y -CONFIG_OF_EMBED=y CONFIG_DEFAULT_DEVICE_TREE="linkit-smart-7688" CONFIG_ENV_IS_IN_SPI_FLASH=y CONFIG_NET_RANDOM_ETHADDR=y From bea91b0c9b45420fd2a4a1bb1567c90518d09d9e Mon Sep 17 00:00:00 2001 From: Gregory CLEMENT Date: Tue, 9 Oct 2018 14:14:07 +0200 Subject: [PATCH 33/47] DW SPI: Allow to overload the management of the external CS On some platforms, as the Ocelot ones, when wanting to control the CS through software, it is not possible to do it through the GPIO controller. Indeed, this signal is managed through a dedicated range of registers inside the SoC.. By declaring the external_cs_manage function as weak, it is possible to manage the CS at platform level and then using the appropriate registers. Signed-off-by: Gregory CLEMENT --- drivers/spi/designware_spi.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/spi/designware_spi.c b/drivers/spi/designware_spi.c index 5cca4144867..02d93763d42 100644 --- a/drivers/spi/designware_spi.c +++ b/drivers/spi/designware_spi.c @@ -369,7 +369,13 @@ static int poll_transfer(struct dw_spi_priv *priv) return 0; } -static void external_cs_manage(struct udevice *dev, bool on) +/* + * We define external_cs_manage function as 'weak' as some targets + * (like MSCC Ocelot) don't control the external CS pin using a GPIO + * controller. These SoCs use specific registers to control by + * software the SPI pins (and especially the CS). + */ +__weak void external_cs_manage(struct udevice *dev, bool on) { #if defined(CONFIG_DM_GPIO) && !defined(CONFIG_SPL_BUILD) struct dw_spi_priv *priv = dev_get_priv(dev->parent); From 53bdae241888de3d23a51735e9610389921b80ae Mon Sep 17 00:00:00 2001 From: Gregory CLEMENT Date: Sat, 8 Dec 2018 09:59:01 +0100 Subject: [PATCH 34/47] pinctrl: mscc: Add gpio and pinctrl driver for MSCC MIPS SoCs (VcoreIII based) This driver supports the pin and gpio controller found in the Ocelot and Luton SoCs. The driver was inspired from the pinctrl driver in Linux, but was simplified and was modified to allow supporting an other SoCs (Luton). For Ocelot and Luton the controller is the same, only the pins to program differ. Signed-off-by: Gregory CLEMENT Reviewed-by: Daniel Schwierzeck [changed to only descend into mscc/ dependent on CONFIG_PINCTRL_MSCC] Signed-off-by: Daniel Schwierzeck --- drivers/pinctrl/Kconfig | 1 + drivers/pinctrl/Makefile | 1 + drivers/pinctrl/mscc/Kconfig | 22 +++ drivers/pinctrl/mscc/Makefile | 5 + drivers/pinctrl/mscc/mscc-common.c | 236 ++++++++++++++++++++++++++ drivers/pinctrl/mscc/mscc-common.h | 51 ++++++ drivers/pinctrl/mscc/pinctrl-luton.c | 172 +++++++++++++++++++ drivers/pinctrl/mscc/pinctrl-ocelot.c | 188 ++++++++++++++++++++ 8 files changed, 676 insertions(+) create mode 100644 drivers/pinctrl/mscc/Kconfig create mode 100644 drivers/pinctrl/mscc/Makefile create mode 100644 drivers/pinctrl/mscc/mscc-common.c create mode 100644 drivers/pinctrl/mscc/mscc-common.h create mode 100644 drivers/pinctrl/mscc/pinctrl-luton.c create mode 100644 drivers/pinctrl/mscc/pinctrl-ocelot.c diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index 7e6fad305ae..1dbe2b104b2 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -306,6 +306,7 @@ source "drivers/pinctrl/nxp/Kconfig" source "drivers/pinctrl/renesas/Kconfig" source "drivers/pinctrl/uniphier/Kconfig" source "drivers/pinctrl/exynos/Kconfig" +source "drivers/pinctrl/mscc/Kconfig" source "drivers/pinctrl/mvebu/Kconfig" source "drivers/pinctrl/broadcom/Kconfig" diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile index 293bad3a950..66d36b99d1e 100644 --- a/drivers/pinctrl/Makefile +++ b/drivers/pinctrl/Makefile @@ -17,6 +17,7 @@ obj-$(CONFIG_PINCTRL_PIC32) += pinctrl_pic32.o obj-$(CONFIG_PINCTRL_EXYNOS) += exynos/ obj-$(CONFIG_PINCTRL_MESON) += meson/ obj-$(CONFIG_PINCTRL_MTK) += mediatek/ +obj-$(CONFIG_PINCTRL_MSCC) += mscc/ obj-$(CONFIG_ARCH_MVEBU) += mvebu/ obj-$(CONFIG_PINCTRL_SINGLE) += pinctrl-single.o obj-$(CONFIG_PINCTRL_STI) += pinctrl-sti.o diff --git a/drivers/pinctrl/mscc/Kconfig b/drivers/pinctrl/mscc/Kconfig new file mode 100644 index 00000000000..cfc6c060767 --- /dev/null +++ b/drivers/pinctrl/mscc/Kconfig @@ -0,0 +1,22 @@ +# SPDX-License-Identifier: (GPL-2.0+ OR MIT) + +config PINCTRL_MSCC + bool + +config PINCTRL_MSCC_OCELOT + depends on SOC_OCELOT && PINCTRL_FULL && OF_CONTROL + select PINCTRL_MSCC + default y + bool "Microsemi ocelot family pin control driver" + help + Support pin multiplexing and pin configuration control on + Microsemi ocelot SoCs. + +config PINCTRL_MSCC_LUTON + depends on SOC_LUTON && PINCTRL_FULL && OF_CONTROL + select PINCTRL_MSCC + default y + bool "Microsemi luton family pin control driver" + help + Support pin multiplexing and pin configuration control on + Microsemi luton SoCs. diff --git a/drivers/pinctrl/mscc/Makefile b/drivers/pinctrl/mscc/Makefile new file mode 100644 index 00000000000..69106717282 --- /dev/null +++ b/drivers/pinctrl/mscc/Makefile @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: (GPL-2.0+ OR MIT) + +obj-y += mscc-common.o +obj-$(CONFIG_PINCTRL_MSCC_OCELOT) += pinctrl-ocelot.o +obj-$(CONFIG_PINCTRL_MSCC_LUTON) += pinctrl-luton.o diff --git a/drivers/pinctrl/mscc/mscc-common.c b/drivers/pinctrl/mscc/mscc-common.c new file mode 100644 index 00000000000..d74b8a66492 --- /dev/null +++ b/drivers/pinctrl/mscc/mscc-common.c @@ -0,0 +1,236 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Microsemi SoCs pinctrl driver + * + * Author: + * Author: + * License: Dual MIT/GPL + * Copyright (c) 2017 Microsemi Corporation + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "mscc-common.h" + +#define MSCC_GPIO_OUT_SET 0x0 +#define MSCC_GPIO_OUT_CLR 0x4 +#define MSCC_GPIO_OUT 0x8 +#define MSCC_GPIO_IN 0xc +#define MSCC_GPIO_OE 0x10 +#define MSCC_GPIO_INTR 0x14 +#define MSCC_GPIO_INTR_ENA 0x18 +#define MSCC_GPIO_INTR_IDENT 0x1c +#define MSCC_GPIO_ALT0 0x20 +#define MSCC_GPIO_ALT1 0x24 + +static int mscc_get_functions_count(struct udevice *dev) +{ + struct mscc_pinctrl *info = dev_get_priv(dev); + + return info->num_func; +} + +static const char *mscc_get_function_name(struct udevice *dev, + unsigned int function) +{ + struct mscc_pinctrl *info = dev_get_priv(dev); + + return info->function_names[function]; +} + +static int mscc_pin_function_idx(unsigned int pin, unsigned int function, + const struct mscc_pin_data *mscc_pins) +{ + struct mscc_pin_caps *p = mscc_pins[pin].drv_data; + int i; + + for (i = 0; i < MSCC_FUNC_PER_PIN; i++) { + if (function == p->functions[i]) + return i; + } + + return -1; +} + +static int mscc_pinmux_set_mux(struct udevice *dev, + unsigned int pin_selector, unsigned int selector) +{ + struct mscc_pinctrl *info = dev_get_priv(dev); + struct mscc_pin_caps *pin = info->mscc_pins[pin_selector].drv_data; + int f; + + f = mscc_pin_function_idx(pin_selector, selector, info->mscc_pins); + if (f < 0) + return -EINVAL; + /* + * f is encoded on two bits. + * bit 0 of f goes in BIT(pin) of ALT0, bit 1 of f goes in BIT(pin) of + * ALT1 + * This is racy because both registers can't be updated at the same time + * but it doesn't matter much for now. + */ + if (f & BIT(0)) + setbits_le32(info->regs + MSCC_GPIO_ALT0, BIT(pin->pin)); + else + clrbits_le32(info->regs + MSCC_GPIO_ALT0, BIT(pin->pin)); + + if (f & BIT(1)) + setbits_le32(info->regs + MSCC_GPIO_ALT1, BIT(pin->pin - 1)); + else + clrbits_le32(info->regs + MSCC_GPIO_ALT1, BIT(pin->pin - 1)); + + return 0; +} + +static int mscc_pctl_get_groups_count(struct udevice *dev) +{ + struct mscc_pinctrl *info = dev_get_priv(dev); + + return info->num_pins; +} + +static const char *mscc_pctl_get_group_name(struct udevice *dev, + unsigned int group) +{ + struct mscc_pinctrl *info = dev_get_priv(dev); + + return info->mscc_pins[group].name; +} + +static int mscc_create_group_func_map(struct udevice *dev, + struct mscc_pinctrl *info) +{ + u16 pins[info->num_pins]; + int f, npins, i; + + for (f = 0; f < info->num_func; f++) { + for (npins = 0, i = 0; i < info->num_pins; i++) { + if (mscc_pin_function_idx(i, f, info->mscc_pins) >= 0) + pins[npins++] = i; + } + + info->func[f].ngroups = npins; + info->func[f].groups = devm_kzalloc(dev, npins * + sizeof(char *), GFP_KERNEL); + if (!info->func[f].groups) + return -ENOMEM; + + for (i = 0; i < npins; i++) + info->func[f].groups[i] = info->mscc_pins[pins[i]].name; + } + + return 0; +} + +static int mscc_pinctrl_register(struct udevice *dev, struct mscc_pinctrl *info) +{ + int ret; + + ret = mscc_create_group_func_map(dev, info); + if (ret) { + dev_err(dev, "Unable to create group func map.\n"); + return ret; + } + + return 0; +} + +static int mscc_gpio_get(struct udevice *dev, unsigned int offset) +{ + struct mscc_pinctrl *info = dev_get_priv(dev->parent); + unsigned int val; + + val = readl(info->regs + MSCC_GPIO_IN); + + return !!(val & BIT(offset)); +} + +static int mscc_gpio_set(struct udevice *dev, unsigned int offset, int value) +{ + struct mscc_pinctrl *info = dev_get_priv(dev->parent); + + if (value) + writel(BIT(offset), info->regs + MSCC_GPIO_OUT_SET); + else + writel(BIT(offset), info->regs + MSCC_GPIO_OUT_CLR); + + return 0; +} + +static int mscc_gpio_get_direction(struct udevice *dev, unsigned int offset) +{ + struct mscc_pinctrl *info = dev_get_priv(dev->parent); + unsigned int val; + + val = readl(info->regs + MSCC_GPIO_OE); + + return (val & BIT(offset)) ? GPIOF_OUTPUT : GPIOF_INPUT; +} + +static int mscc_gpio_direction_input(struct udevice *dev, unsigned int offset) +{ + struct mscc_pinctrl *info = dev_get_priv(dev->parent); + + clrbits_le32(info->regs + MSCC_GPIO_OE, BIT(offset)); + + return 0; +} + +static int mscc_gpio_direction_output(struct udevice *dev, + unsigned int offset, int value) +{ + struct mscc_pinctrl *info = dev_get_priv(dev->parent); + + setbits_le32(info->regs + MSCC_GPIO_OE, BIT(offset)); + + return mscc_gpio_set(dev, offset, value); +} + +const struct dm_gpio_ops mscc_gpio_ops = { + .set_value = mscc_gpio_set, + .get_value = mscc_gpio_get, + .get_function = mscc_gpio_get_direction, + .direction_input = mscc_gpio_direction_input, + .direction_output = mscc_gpio_direction_output, +}; + +const struct pinctrl_ops mscc_pinctrl_ops = { + .get_pins_count = mscc_pctl_get_groups_count, + .get_pin_name = mscc_pctl_get_group_name, + .get_functions_count = mscc_get_functions_count, + .get_function_name = mscc_get_function_name, + .pinmux_set = mscc_pinmux_set_mux, + .set_state = pinctrl_generic_set_state, +}; + +int mscc_pinctrl_probe(struct udevice *dev, int num_func, + const struct mscc_pin_data *mscc_pins, int num_pins, + char *const *function_names) +{ + struct mscc_pinctrl *priv = dev_get_priv(dev); + int ret; + + priv->regs = dev_remap_addr(dev); + if (!priv->regs) + return -EINVAL; + + priv->func = devm_kzalloc(dev, num_func * sizeof(struct mscc_pmx_func), + GFP_KERNEL); + priv->num_func = num_func; + priv->mscc_pins = mscc_pins; + priv->num_pins = num_pins; + priv->function_names = function_names; + ret = mscc_pinctrl_register(dev, priv); + + return ret; +} diff --git a/drivers/pinctrl/mscc/mscc-common.h b/drivers/pinctrl/mscc/mscc-common.h new file mode 100644 index 00000000000..b0001db44c9 --- /dev/null +++ b/drivers/pinctrl/mscc/mscc-common.h @@ -0,0 +1,51 @@ +/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */ +/* + * Microsemi SoCs pinctrl driver + * + * Author: + * License: Dual MIT/GPL + * Copyright (c) 2017 Microsemi Corporation + */ + +#define MSCC_FUNC_PER_PIN 4 + +struct mscc_pin_caps { + unsigned int pin; + unsigned char functions[MSCC_FUNC_PER_PIN]; +}; + +struct mscc_pin_data { + const char *name; + struct mscc_pin_caps *drv_data; +}; + +#define MSCC_P(p, f0, f1, f2) \ +static struct mscc_pin_caps mscc_pin_##p = { \ + .pin = p, \ + .functions = { \ + FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_##f2, \ + }, \ +} + +struct mscc_pmx_func { + const char **groups; + unsigned int ngroups; +}; + +struct mscc_pinctrl { + struct udevice *dev; + struct pinctrl_dev *pctl; + void __iomem *regs; + struct mscc_pmx_func *func; + int num_func; + const struct mscc_pin_data *mscc_pins; + int num_pins; + char * const *function_names; +}; + +int mscc_pinctrl_probe(struct udevice *dev, int num_func, + const struct mscc_pin_data *mscc_pins, int num_pins, + char * const *function_names); +const struct pinctrl_ops mscc_pinctrl_ops; + +const struct dm_gpio_ops mscc_gpio_ops; diff --git a/drivers/pinctrl/mscc/pinctrl-luton.c b/drivers/pinctrl/mscc/pinctrl-luton.c new file mode 100644 index 00000000000..7166588e3cd --- /dev/null +++ b/drivers/pinctrl/mscc/pinctrl-luton.c @@ -0,0 +1,172 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Microsemi SoCs pinctrl driver + * + * Author: + * License: Dual MIT/GPL + * Copyright (c) 2018 Microsemi Corporation + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "mscc-common.h" + +enum { + FUNC_NONE, + FUNC_GPIO, + FUNC_SIO, + FUNC_TACHO, + FUNC_TWI, + FUNC_PHY_LED, + FUNC_EXT_IRQ, + FUNC_SFP, + FUNC_SI, + FUNC_PWM, + FUNC_UART, + FUNC_MAX +}; + +static char * const luton_function_names[] = { + [FUNC_NONE] = "none", + [FUNC_GPIO] = "gpio", + [FUNC_SIO] = "sio", + [FUNC_TACHO] = "tacho", + [FUNC_TWI] = "twi", + [FUNC_PHY_LED] = "phy_led", + [FUNC_EXT_IRQ] = "ext_irq", + [FUNC_SFP] = "sfp", + [FUNC_SI] = "si", + [FUNC_PWM] = "pwm", + [FUNC_UART] = "uart", +}; + +MSCC_P(0, SIO, NONE, NONE); +MSCC_P(1, SIO, NONE, NONE); +MSCC_P(2, SIO, NONE, NONE); +MSCC_P(3, SIO, NONE, NONE); +MSCC_P(4, TACHO, NONE, NONE); +MSCC_P(5, TWI, PHY_LED, NONE); +MSCC_P(6, TWI, PHY_LED, NONE); +MSCC_P(7, NONE, PHY_LED, NONE); +MSCC_P(8, EXT_IRQ, PHY_LED, NONE); +MSCC_P(9, EXT_IRQ, PHY_LED, NONE); +MSCC_P(10, SFP, PHY_LED, NONE); +MSCC_P(11, SFP, PHY_LED, NONE); +MSCC_P(12, SFP, PHY_LED, NONE); +MSCC_P(13, SFP, PHY_LED, NONE); +MSCC_P(14, SI, PHY_LED, NONE); +MSCC_P(15, SI, PHY_LED, NONE); +MSCC_P(16, SI, PHY_LED, NONE); +MSCC_P(17, SFP, PHY_LED, NONE); +MSCC_P(18, SFP, PHY_LED, NONE); +MSCC_P(19, SFP, PHY_LED, NONE); +MSCC_P(20, SFP, PHY_LED, NONE); +MSCC_P(21, SFP, PHY_LED, NONE); +MSCC_P(22, SFP, PHY_LED, NONE); +MSCC_P(23, SFP, PHY_LED, NONE); +MSCC_P(24, SFP, PHY_LED, NONE); +MSCC_P(25, SFP, PHY_LED, NONE); +MSCC_P(26, SFP, PHY_LED, NONE); +MSCC_P(27, SFP, PHY_LED, NONE); +MSCC_P(28, SFP, PHY_LED, NONE); +MSCC_P(29, PWM, NONE, NONE); +MSCC_P(30, UART, NONE, NONE); +MSCC_P(31, UART, NONE, NONE); + +#define LUTON_PIN(n) { \ + .name = "GPIO_"#n, \ + .drv_data = &mscc_pin_##n \ +} + +static const struct mscc_pin_data luton_pins[] = { + LUTON_PIN(0), + LUTON_PIN(1), + LUTON_PIN(2), + LUTON_PIN(3), + LUTON_PIN(4), + LUTON_PIN(5), + LUTON_PIN(6), + LUTON_PIN(7), + LUTON_PIN(8), + LUTON_PIN(9), + LUTON_PIN(10), + LUTON_PIN(11), + LUTON_PIN(12), + LUTON_PIN(13), + LUTON_PIN(14), + LUTON_PIN(15), + LUTON_PIN(16), + LUTON_PIN(17), + LUTON_PIN(18), + LUTON_PIN(19), + LUTON_PIN(20), + LUTON_PIN(21), + LUTON_PIN(22), + LUTON_PIN(23), + LUTON_PIN(24), + LUTON_PIN(25), + LUTON_PIN(26), + LUTON_PIN(27), + LUTON_PIN(28), + LUTON_PIN(29), + LUTON_PIN(30), + LUTON_PIN(31), +}; + +static int luton_gpio_probe(struct udevice *dev) +{ + struct gpio_dev_priv *uc_priv; + + uc_priv = dev_get_uclass_priv(dev); + uc_priv->bank_name = "luton-gpio"; + uc_priv->gpio_count = ARRAY_SIZE(luton_pins); + + return 0; +} + +static struct driver luton_gpio_driver = { + .name = "luton-gpio", + .id = UCLASS_GPIO, + .probe = luton_gpio_probe, + .ops = &mscc_gpio_ops, +}; + +int luton_pinctrl_probe(struct udevice *dev) +{ + int ret; + + ret = mscc_pinctrl_probe(dev, FUNC_MAX, luton_pins, + ARRAY_SIZE(luton_pins), luton_function_names); + + if (ret) + return ret; + + ret = device_bind(dev, &luton_gpio_driver, "luton-gpio", NULL, + dev_of_offset(dev), NULL); + + return 0; +} + +static const struct udevice_id luton_pinctrl_of_match[] = { + {.compatible = "mscc,luton-pinctrl"}, + {}, +}; + +U_BOOT_DRIVER(luton_pinctrl) = { + .name = "luton-pinctrl", + .id = UCLASS_PINCTRL, + .of_match = of_match_ptr(luton_pinctrl_of_match), + .probe = luton_pinctrl_probe, + .priv_auto_alloc_size = sizeof(struct mscc_pinctrl), + .ops = &mscc_pinctrl_ops, +}; diff --git a/drivers/pinctrl/mscc/pinctrl-ocelot.c b/drivers/pinctrl/mscc/pinctrl-ocelot.c new file mode 100644 index 00000000000..10f9b90aadc --- /dev/null +++ b/drivers/pinctrl/mscc/pinctrl-ocelot.c @@ -0,0 +1,188 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Microsemi SoCs pinctrl driver + * + * Author: + * Author: + * License: Dual MIT/GPL + * Copyright (c) 2017 Microsemi Corporation + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "mscc-common.h" + +enum { + FUNC_NONE, + FUNC_GPIO, + FUNC_IRQ0_IN, + FUNC_IRQ0_OUT, + FUNC_IRQ1_IN, + FUNC_IRQ1_OUT, + FUNC_MIIM1, + FUNC_PCI_WAKE, + FUNC_PTP0, + FUNC_PTP1, + FUNC_PTP2, + FUNC_PTP3, + FUNC_PWM, + FUNC_RECO_CLK0, + FUNC_RECO_CLK1, + FUNC_SFP0, + FUNC_SFP1, + FUNC_SFP2, + FUNC_SFP3, + FUNC_SFP4, + FUNC_SFP5, + FUNC_SG0, + FUNC_SI, + FUNC_TACHO, + FUNC_TWI, + FUNC_TWI_SCL_M, + FUNC_UART, + FUNC_UART2, + FUNC_MAX +}; + +static char * const ocelot_function_names[] = { + [FUNC_NONE] = "none", + [FUNC_GPIO] = "gpio", + [FUNC_IRQ0_IN] = "irq0_in", + [FUNC_IRQ0_OUT] = "irq0_out", + [FUNC_IRQ1_IN] = "irq1_in", + [FUNC_IRQ1_OUT] = "irq1_out", + [FUNC_MIIM1] = "miim1", + [FUNC_PCI_WAKE] = "pci_wake", + [FUNC_PTP0] = "ptp0", + [FUNC_PTP1] = "ptp1", + [FUNC_PTP2] = "ptp2", + [FUNC_PTP3] = "ptp3", + [FUNC_PWM] = "pwm", + [FUNC_RECO_CLK0] = "reco_clk0", + [FUNC_RECO_CLK1] = "reco_clk1", + [FUNC_SFP0] = "sfp0", + [FUNC_SFP1] = "sfp1", + [FUNC_SFP2] = "sfp2", + [FUNC_SFP3] = "sfp3", + [FUNC_SFP4] = "sfp4", + [FUNC_SFP5] = "sfp5", + [FUNC_SG0] = "sg0", + [FUNC_SI] = "si", + [FUNC_TACHO] = "tacho", + [FUNC_TWI] = "twi", + [FUNC_TWI_SCL_M] = "twi_scl_m", + [FUNC_UART] = "uart", + [FUNC_UART2] = "uart2", +}; + +MSCC_P(0, SG0, NONE, NONE); +MSCC_P(1, SG0, NONE, NONE); +MSCC_P(2, SG0, NONE, NONE); +MSCC_P(3, SG0, NONE, NONE); +MSCC_P(4, IRQ0_IN, IRQ0_OUT, TWI); +MSCC_P(5, IRQ1_IN, IRQ1_OUT, PCI_WAKE); +MSCC_P(6, UART, TWI_SCL_M, NONE); +MSCC_P(7, UART, TWI_SCL_M, NONE); +MSCC_P(8, SI, TWI_SCL_M, IRQ0_OUT); +MSCC_P(9, SI, TWI_SCL_M, IRQ1_OUT); +MSCC_P(10, PTP2, TWI_SCL_M, SFP0); +MSCC_P(11, PTP3, TWI_SCL_M, SFP1); +MSCC_P(12, UART2, TWI_SCL_M, SFP2); +MSCC_P(13, UART2, TWI_SCL_M, SFP3); +MSCC_P(14, MIIM1, TWI_SCL_M, SFP4); +MSCC_P(15, MIIM1, TWI_SCL_M, SFP5); +MSCC_P(16, TWI, NONE, SI); +MSCC_P(17, TWI, TWI_SCL_M, SI); +MSCC_P(18, PTP0, TWI_SCL_M, NONE); +MSCC_P(19, PTP1, TWI_SCL_M, NONE); +MSCC_P(20, RECO_CLK0, TACHO, NONE); +MSCC_P(21, RECO_CLK1, PWM, NONE); + +#define OCELOT_PIN(n) { \ + .name = "GPIO_"#n, \ + .drv_data = &mscc_pin_##n \ +} + +static const struct mscc_pin_data ocelot_pins[] = { + OCELOT_PIN(0), + OCELOT_PIN(1), + OCELOT_PIN(2), + OCELOT_PIN(3), + OCELOT_PIN(4), + OCELOT_PIN(5), + OCELOT_PIN(6), + OCELOT_PIN(7), + OCELOT_PIN(8), + OCELOT_PIN(9), + OCELOT_PIN(10), + OCELOT_PIN(11), + OCELOT_PIN(12), + OCELOT_PIN(13), + OCELOT_PIN(14), + OCELOT_PIN(15), + OCELOT_PIN(16), + OCELOT_PIN(17), + OCELOT_PIN(18), + OCELOT_PIN(19), + OCELOT_PIN(20), + OCELOT_PIN(21), +}; + +static int ocelot_gpio_probe(struct udevice *dev) +{ + struct gpio_dev_priv *uc_priv; + + uc_priv = dev_get_uclass_priv(dev); + uc_priv->bank_name = "ocelot-gpio"; + uc_priv->gpio_count = ARRAY_SIZE(ocelot_pins); + + return 0; +} + +static struct driver ocelot_gpio_driver = { + .name = "ocelot-gpio", + .id = UCLASS_GPIO, + .probe = ocelot_gpio_probe, + .ops = &mscc_gpio_ops, +}; + +int ocelot_pinctrl_probe(struct udevice *dev) +{ + int ret; + + ret = mscc_pinctrl_probe(dev, FUNC_MAX, ocelot_pins, + ARRAY_SIZE(ocelot_pins), + ocelot_function_names); + + if (ret) + return ret; + + ret = device_bind(dev, &ocelot_gpio_driver, "ocelot-gpio", NULL, + dev_of_offset(dev), NULL); + + return ret; +} + +static const struct udevice_id ocelot_pinctrl_of_match[] = { + {.compatible = "mscc,ocelot-pinctrl"}, + {}, +}; + +U_BOOT_DRIVER(ocelot_pinctrl) = { + .name = "ocelot-pinctrl", + .id = UCLASS_PINCTRL, + .of_match = of_match_ptr(ocelot_pinctrl_of_match), + .probe = ocelot_pinctrl_probe, + .priv_auto_alloc_size = sizeof(struct mscc_pinctrl), + .ops = &mscc_pinctrl_ops, +}; From 02aea4da1d6d32e9085c2767ad55170338c27f96 Mon Sep 17 00:00:00 2001 From: Gregory CLEMENT Date: Tue, 9 Oct 2018 14:08:42 +0200 Subject: [PATCH 35/47] gpio: mscc-bitbang-spi: Add a simple gpio driver for bitbgang spi The VCore III SoCs such as the Luton but also the Ocelot can remap an SPI flash directly in memory. However, for writing in the flash the communication has to be done by software. Each of the signal used for the SPI are exposed in a single register. In order to be able to use the soft-spi driver, the management of this pin is done through this simple gpio driver. Even if the main purpose of this driver is to be used by soft-spi, it can still be used as a normal gpio driver but with limitation: for example the first pin can't be used as output. Signed-off-by: Gregory CLEMENT Reviewed-by: Daniel Schwierzeck --- drivers/gpio/Kconfig | 7 ++ drivers/gpio/Makefile | 1 + drivers/gpio/gpio-mscc-bitbang-spi.c | 122 +++++++++++++++++++++++++++ 3 files changed, 130 insertions(+) create mode 100644 drivers/gpio/gpio-mscc-bitbang-spi.c diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 35344e57c6c..c8c6c60623e 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -99,6 +99,13 @@ config LPC32XX_GPIO help Support for the LPC32XX GPIO driver. +config MSCC_BITBANG_SPI_GPIO + bool "Microsemi bitbang spi GPIO driver" + depends on DM_GPIO && SOC_VCOREIII + help + Support controlling the GPIO used for SPI bitbang by software. Can + be used by the VCoreIII SoCs, but it was mainly useful for Luton. + config MSM_GPIO bool "Qualcomm GPIO driver" depends on DM_GPIO diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index 7ed9a4ec422..61feda15372 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -59,3 +59,4 @@ obj-$(CONFIG_MSM_GPIO) += msm_gpio.o obj-$(CONFIG_$(SPL_)PCF8575_GPIO) += pcf8575_gpio.o obj-$(CONFIG_PM8916_GPIO) += pm8916_gpio.o obj-$(CONFIG_MT7621_GPIO) += mt7621_gpio.o +obj-$(CONFIG_MSCC_BITBANG_SPI_GPIO) += gpio-mscc-bitbang-spi.o diff --git a/drivers/gpio/gpio-mscc-bitbang-spi.c b/drivers/gpio/gpio-mscc-bitbang-spi.c new file mode 100644 index 00000000000..b675f9052c1 --- /dev/null +++ b/drivers/gpio/gpio-mscc-bitbang-spi.c @@ -0,0 +1,122 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Microsemi SoCs pinctrl driver + * + * Author: + * License: Dual MIT/GPL + * Copyright (c) 2018 Microsemi Corporation + */ + +#include +#include +#include +#include +#include + +enum { + SDI, + CS0, + CS1, + CS2, + CS3, + SDO, + SCK +}; + +static const int pinmap[] = { 0, 5, 6, 7, 8, 10, 12 }; + +#define SW_SPI_CSn_OE 0x1E /* bits 1 to 4 */ +#define SW_SPI_CS0_OE BIT(1) +#define SW_SPI_SDO_OE BIT(9) +#define SW_SPI_SCK_OE BIT(11) +#define SW_PIN_CTRL_MODE BIT(13) + +struct mscc_bb_spi_gpio { + void __iomem *regs; + u32 cache_val; +}; + +static int mscc_bb_spi_gpio_set(struct udevice *dev, unsigned oft, int val) +{ + struct mscc_bb_spi_gpio *gpio = dev_get_priv(dev); + + if (val) + gpio->cache_val |= BIT(pinmap[oft]); + else + gpio->cache_val &= ~BIT(pinmap[oft]); + + writel(gpio->cache_val, gpio->regs); + + return 0; +} + +static int mscc_bb_spi_gpio_direction_output(struct udevice *dev, unsigned oft, + int val) +{ + if (oft == 0) { + pr_err("SW_SPI_DSI can't be used as output\n"); + return -ENOTSUPP; + } + + mscc_bb_spi_gpio_set(dev, oft, val); + + return 0; +} + +static int mscc_bb_spi_gpio_direction_input(struct udevice *dev, unsigned oft) +{ + return 0; +} + +static int mscc_bb_spi_gpio_get(struct udevice *dev, unsigned int oft) +{ + struct mscc_bb_spi_gpio *gpio = dev_get_priv(dev); + u32 val = readl(gpio->regs); + + return !!(val & BIT(pinmap[oft])); +} + +static const struct dm_gpio_ops mscc_bb_spi_gpio_ops = { + .direction_output = mscc_bb_spi_gpio_direction_output, + .direction_input = mscc_bb_spi_gpio_direction_input, + .set_value = mscc_bb_spi_gpio_set, + .get_value = mscc_bb_spi_gpio_get, +}; + +static int mscc_bb_spi_gpio_probe(struct udevice *dev) +{ + struct mscc_bb_spi_gpio *gpio = dev_get_priv(dev); + struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev); + + gpio->regs = dev_remap_addr(dev); + if (!gpio->regs) + return -EINVAL; + + uc_priv->bank_name = dev->name; + uc_priv->gpio_count = ARRAY_SIZE(pinmap); + /* + * Enable software mode to control the SPI pin, enables the + * output mode for most of the pin and initialize the cache + * value in the same time + */ + + gpio->cache_val = SW_PIN_CTRL_MODE | SW_SPI_SCK_OE | SW_SPI_SDO_OE | + SW_SPI_CS0_OE; + writel(gpio->cache_val, gpio->regs); + + return 0; +} + +static const struct udevice_id mscc_bb_spi_gpio_ids[] = { + {.compatible = "mscc,spi-bitbang-gpio"}, + {} +}; + +U_BOOT_DRIVER(gpio_mscc_bb_spi) = { + .name = "gpio-mscc-spi-bitbang", + .id = UCLASS_GPIO, + .ops = &mscc_bb_spi_gpio_ops, + .probe = mscc_bb_spi_gpio_probe, + .of_match = of_match_ptr(mscc_bb_spi_gpio_ids), + .priv_auto_alloc_size = sizeof(struct mscc_bb_spi_gpio), +}; From a0abb52c5a5b1de522380984bb9429ee973b1f8e Mon Sep 17 00:00:00 2001 From: Daniel Schwierzeck Date: Wed, 19 Dec 2018 15:18:52 +0100 Subject: [PATCH 36/47] MIPS: remove local_irq_[save|restore] from CP0 macros With moving write_on_tlb() to arch/mips/include/asm/mipsregs.h there are now compiler warnings when some generic code includes asm/io.h. This happens for example when enabling OF live tree. Signed-off-by: Daniel Schwierzeck --- arch/mips/include/asm/mipsregs.h | 7 ------- 1 file changed, 7 deletions(-) diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h index 48fa1f1f7f4..cdd546a3b2a 100644 --- a/arch/mips/include/asm/mipsregs.h +++ b/arch/mips/include/asm/mipsregs.h @@ -1013,9 +1013,7 @@ do { \ #define __read_64bit_c0_split(source, sel) \ ({ \ unsigned long long __val; \ - unsigned long __flags; \ \ - local_irq_save(__flags); \ if (sel == 0) \ __asm__ __volatile__( \ ".set\tmips64\n\t" \ @@ -1034,16 +1032,12 @@ do { \ "dsra\t%L0, %L0, 32\n\t" \ ".set\tmips0" \ : "=r" (__val)); \ - local_irq_restore(__flags); \ \ __val; \ }) #define __write_64bit_c0_split(source, sel, val) \ do { \ - unsigned long __flags; \ - \ - local_irq_save(__flags); \ if (sel == 0) \ __asm__ __volatile__( \ ".set\tmips64\n\t" \ @@ -1064,7 +1058,6 @@ do { \ "dmtc0\t%L0, " #source ", " #sel "\n\t" \ ".set\tmips0" \ : : "r" (val)); \ - local_irq_restore(__flags); \ } while (0) #define __readx_32bit_c0_register(source) \ From 48ee7b68533b7f007c337d9a606eb52c975445ad Mon Sep 17 00:00:00 2001 From: Gregory CLEMENT Date: Fri, 14 Dec 2018 16:16:45 +0100 Subject: [PATCH 37/47] MIPS: move create_tlb() in an proper header: mipsregs.h Export create_tlb() as an inline function in mipsregs.h. It allows to remove the declaration of the function from the board files. Then it will allow also to use this function very early in the boot when the stack is not usable. Signed-off-by: Gregory CLEMENT --- arch/mips/cpu/cpu.c | 10 ---------- arch/mips/include/asm/mipsregs.h | 11 +++++++++++ 2 files changed, 11 insertions(+), 10 deletions(-) diff --git a/arch/mips/cpu/cpu.c b/arch/mips/cpu/cpu.c index 5c56ab0289e..a403ff729b1 100644 --- a/arch/mips/cpu/cpu.c +++ b/arch/mips/cpu/cpu.c @@ -28,16 +28,6 @@ int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) } #endif -void write_one_tlb(int index, u32 pagemask, u32 hi, u32 low0, u32 low1) -{ - write_c0_entrylo0(low0); - write_c0_pagemask(pagemask); - write_c0_entrylo1(low1); - write_c0_entryhi(hi); - write_c0_index(index); - tlb_write_indexed(); -} - int arch_cpu_init(void) { mips_cache_probe(); diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h index cdd546a3b2a..f80311e64e8 100644 --- a/arch/mips/include/asm/mipsregs.h +++ b/arch/mips/include/asm/mipsregs.h @@ -1998,6 +1998,17 @@ static inline unsigned int get_ebase_cpunum(void) return read_c0_ebase() & 0x3ff; } +static inline void write_one_tlb(int index, u32 pagemask, u32 hi, u32 low0, + u32 low1) +{ + write_c0_entrylo0(low0); + write_c0_pagemask(pagemask); + write_c0_entrylo1(low1); + write_c0_entryhi(hi); + write_c0_index(index); + tlb_write_indexed(); +} + #endif /* !__ASSEMBLY__ */ #endif /* _ASM_MIPSREGS_H */ From 464b96bb8094a359f7b27027319eda64a961c5af Mon Sep 17 00:00:00 2001 From: Gregory CLEMENT Date: Fri, 14 Dec 2018 16:16:46 +0100 Subject: [PATCH 38/47] MIPS: Allow to prefetch and lock instructions into cache This path add a new helper allowing to prefetch and lock instructions into cache. This is useful very early in the boot when no RAM is available yet. Signed-off-by: Gregory CLEMENT --- arch/mips/include/asm/cacheops.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/arch/mips/include/asm/cacheops.h b/arch/mips/include/asm/cacheops.h index 3161875441c..98b67ccc8ec 100644 --- a/arch/mips/include/asm/cacheops.h +++ b/arch/mips/include/asm/cacheops.h @@ -19,6 +19,25 @@ static inline void mips_cache(int op, const volatile void *addr) #endif } +#define MIPS32_WHICH_ICACHE 0x0 +#define MIPS32_FETCH_AND_LOCK 0x7 + +#define ICACHE_LOAD_LOCK (MIPS32_WHICH_ICACHE | (MIPS32_FETCH_AND_LOCK << 2)) + +/* Prefetch and lock instructions into cache */ +static inline void icache_lock(void *func, size_t len) +{ + int i, lines = ((len - 1) / ARCH_DMA_MINALIGN) + 1; + + for (i = 0; i < lines; i++) { + asm volatile (" cache %0, %1(%2)" + : /* No Output */ + : "I" ICACHE_LOAD_LOCK, + "n" (i * ARCH_DMA_MINALIGN), + "r" (func) + : /* No Clobbers */); + } +} #endif /* !__ASSEMBLY__ */ /* From dd1033e4e0254bd2d19debe433921d9a71bdf674 Mon Sep 17 00:00:00 2001 From: Gregory CLEMENT Date: Fri, 14 Dec 2018 16:16:47 +0100 Subject: [PATCH 39/47] MSCC: add support for Ocelot SoCs This family of SoCs are found in the Microsemi Switches solution and have already a support in the linux kernel. Signed-off-by: Gregory CLEMENT --- MAINTAINERS | 7 + arch/mips/Kconfig | 6 + arch/mips/Makefile | 1 + arch/mips/mach-mscc/Kconfig | 69 ++ arch/mips/mach-mscc/Makefile | 5 + arch/mips/mach-mscc/cpu.c | 90 +++ arch/mips/mach-mscc/dram.c | 71 ++ arch/mips/mach-mscc/include/ioremap.h | 49 ++ arch/mips/mach-mscc/include/mach/common.h | 24 + arch/mips/mach-mscc/include/mach/ddr.h | 708 ++++++++++++++++++ .../mach-mscc/include/mach/ocelot/ocelot.h | 24 + .../include/mach/ocelot/ocelot_devcpu_gcb.h | 21 + .../include/mach/ocelot/ocelot_icpu_cfg.h | 274 +++++++ arch/mips/mach-mscc/include/mach/tlb.h | 55 ++ arch/mips/mach-mscc/lowlevel_init.S | 23 + arch/mips/mach-mscc/reset.c | 30 + 16 files changed, 1457 insertions(+) create mode 100644 arch/mips/mach-mscc/Kconfig create mode 100644 arch/mips/mach-mscc/Makefile create mode 100644 arch/mips/mach-mscc/cpu.c create mode 100644 arch/mips/mach-mscc/dram.c create mode 100644 arch/mips/mach-mscc/include/ioremap.h create mode 100644 arch/mips/mach-mscc/include/mach/common.h create mode 100644 arch/mips/mach-mscc/include/mach/ddr.h create mode 100644 arch/mips/mach-mscc/include/mach/ocelot/ocelot.h create mode 100644 arch/mips/mach-mscc/include/mach/ocelot/ocelot_devcpu_gcb.h create mode 100644 arch/mips/mach-mscc/include/mach/ocelot/ocelot_icpu_cfg.h create mode 100644 arch/mips/mach-mscc/include/mach/tlb.h create mode 100644 arch/mips/mach-mscc/lowlevel_init.S create mode 100644 arch/mips/mach-mscc/reset.c diff --git a/MAINTAINERS b/MAINTAINERS index 0fb089807c5..9841d0db3ed 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -512,6 +512,13 @@ S: Maintained T: git git://git.denx.de/u-boot-mips.git F: arch/mips/ +MIPS MSCC +M: Gregory CLEMENT +M: Lars Povlsen +M: Horatiu Vultur +S: Maintained +F: arch/mips/mach-mscc/ + MMC M: Jaehoon Chung S: Maintained diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 355d3b4d913..fe041f0b78b 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -59,6 +59,11 @@ config ARCH_ATH79 select OF_CONTROL imply CMD_DM +config ARCH_MSCC + bool "Support MSCC VCore-III" + select OF_CONTROL + select DM + config ARCH_BMIPS bool "Support BMIPS SoCs" select CLK @@ -138,6 +143,7 @@ source "board/imgtec/xilfpga/Kconfig" source "board/micronas/vct/Kconfig" source "board/qemu-mips/Kconfig" source "arch/mips/mach-ath79/Kconfig" +source "arch/mips/mach-mscc/Kconfig" source "arch/mips/mach-bmips/Kconfig" source "arch/mips/mach-pic32/Kconfig" source "arch/mips/mach-mt7620/Kconfig" diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 802244a06e5..124e93fa26c 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -15,6 +15,7 @@ machine-$(CONFIG_ARCH_ATH79) += ath79 machine-$(CONFIG_ARCH_BMIPS) += bmips machine-$(CONFIG_MACH_PIC32) += pic32 machine-$(CONFIG_ARCH_MT7620) += mt7620 +machine-$(CONFIG_ARCH_MSCC) += mscc machdirs := $(patsubst %,arch/mips/mach-%/,$(machine-y)) libs-y += $(machdirs) diff --git a/arch/mips/mach-mscc/Kconfig b/arch/mips/mach-mscc/Kconfig new file mode 100644 index 00000000000..7f1b270207f --- /dev/null +++ b/arch/mips/mach-mscc/Kconfig @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: (GPL-2.0+ OR MIT) + +menu "MSCC VCore-III platforms" + depends on ARCH_MSCC + +config SOC_VCOREIII + select MIPS_TUNE_24KC + select ROM_EXCEPTION_VECTORS + select SUPPORTS_BIG_ENDIAN + select SUPPORTS_CPU_MIPS32_R1 + select SUPPORTS_CPU_MIPS32_R2 + select SUPPORTS_LITTLE_ENDIAN + bool + +config SYS_SOC + default "mscc" + +config SOC_OCELOT + bool + select SOC_VCOREIII + help + This supports MSCC Ocelot family of SOCs. + +config SYS_CONFIG_NAME + default "vcoreiii" + +choice + prompt "Board select" + +config TARGET_OCELOT_PCB120 + bool "MSCC PCB120 Reference Board (aka VSC5635EV)" + select SOC_OCELOT + help + When selected, CONFIG_DEFAULT_DEVICE_TREE should be set to + ocelot_pcb120 + +config TARGET_OCELOT_PCB123 + bool "MSCC PCB123 Reference Board (aka VSC7514EV))" + select SOC_OCELOT + help + When selected, CONFIG_DEFAULT_DEVICE_TREE should be set to + ocelot_pcb123 + +endchoice + +choice + prompt "DDR type" + +config DDRTYPE_H5TQ4G63MFR + bool "Hynix H5TQ4G63MFR-PBC (4Gbit, DDR3-800, 256Mbitx16)" + +config DDRTYPE_MT41K256M16 + bool "Micron MT41K256M16 (4Gbit, DDR3L-800, 256Mbitx16)" + +config DDRTYPE_H5TQ1G63BFA + bool "Hynix H5TQ1G63BFA (1Gbit DDR3, x16)" + +config DDRTYPE_MT41J128M16HA + bool "Micron MT41J128M16HA-15E:D (2Gbit DDR3, x16)" + +config DDRTYPE_MT41K128M16JT + bool "Micron MT41K128M16JT-125 (2Gbit DDR3L, 128Mbitx16)" + +config DDRTYPE_MT47H128M8HQ + bool "Micron MT47H128M8-3 (1Gbit, DDR-533@CL4 @ 4.80ns 16Mbisx8x8)" + +endchoice + +endmenu diff --git a/arch/mips/mach-mscc/Makefile b/arch/mips/mach-mscc/Makefile new file mode 100644 index 00000000000..d14ec338381 --- /dev/null +++ b/arch/mips/mach-mscc/Makefile @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: (GPL-2.0+ OR MIT) + +CFLAGS_cpu.o += -finline-limit=64000 + +obj-y += cpu.o dram.o reset.o lowlevel_init.o diff --git a/arch/mips/mach-mscc/cpu.c b/arch/mips/mach-mscc/cpu.c new file mode 100644 index 00000000000..b503e1407b2 --- /dev/null +++ b/arch/mips/mach-mscc/cpu.c @@ -0,0 +1,90 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +#include + +#include +#include + +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +#if CONFIG_SYS_SDRAM_SIZE <= SZ_64M +#define MSCC_RAM_TLB_SIZE SZ_64M +#define MSCC_ATTRIB2 MMU_REGIO_INVAL +#elif CONFIG_SYS_SDRAM_SIZE <= SZ_128M +#define MSCC_RAM_TLB_SIZE SZ_64M +#define MSCC_ATTRIB2 MMU_REGIO_RW +#elif CONFIG_SYS_SDRAM_SIZE <= SZ_256M +#define MSCC_RAM_TLB_SIZE SZ_256M +#define MSCC_ATTRIB2 MMU_REGIO_INVAL +#elif CONFIG_SYS_SDRAM_SIZE <= SZ_512M +#define MSCC_RAM_TLB_SIZE SZ_256M +#define MSCC_ATTRIB2 MMU_REGIO_RW +#else +#define MSCC_RAM_TLB_SIZE SZ_512M +#define MSCC_ATTRIB2 MMU_REGIO_RW +#endif + +/* NOTE: lowlevel_init() function does not have access to the + * stack. Thus, all called functions must be inlined, and (any) local + * variables must be kept in registers. + */ +void vcoreiii_tlb_init(void) +{ + register int tlbix = 0; + + /* + * Unlike most of the MIPS based SoCs, the IO register address + * are not in KSEG0. The mainline linux kernel built in legacy + * mode needs to access some of the registers very early in + * the boot and make the assumption that the bootloader has + * already configured them, so we have to match this + * expectation. + */ + create_tlb(tlbix++, MSCC_IO_ORIGIN1_OFFSET, SZ_16M, MMU_REGIO_RW, + MMU_REGIO_RW); + +#if CONFIG_SYS_TEXT_BASE == MSCC_FLASH_TO + /* + * If U-Boot is located in NOR then we want to be able to use + * the data cache in order to boot in a decent duration + */ + create_tlb(tlbix++, MSCC_FLASH_TO, SZ_16M, MMU_REGIO_RO_C, + MMU_REGIO_RO_C); + create_tlb(tlbix++, MSCC_FLASH_TO + SZ_32M, SZ_16M, MMU_REGIO_RO_C, + MMU_REGIO_RO_C); + + /* + * Using cache for RAM also helps to improve boot time. Thanks + * to this the time to relocate U-Boot in RAM went from 2.092 + * secs to 0.104 secs. + */ + create_tlb(tlbix++, MSCC_DDR_TO, MSCC_RAM_TLB_SIZE, MMU_REGIO_RW, + MSCC_ATTRIB2); + + /* Enable caches by clearing the bit ERL, which is set on reset */ + write_c0_status(read_c0_status() & ~BIT(2)); +#endif /* CONFIG_SYS_TEXT_BASE */ +} + +int mach_cpu_init(void) +{ + /* Speed up NOR flash access */ + writel(ICPU_SPI_MST_CFG_CS_DESELECT_TIME(0x19) + + ICPU_SPI_MST_CFG_CLK_DIV(9), BASE_CFG + ICPU_SPI_MST_CFG); + /* + * Legacy and mainline linux kernel expect that the + * interruption map was set as it was done by redboot. + */ + writel(~0, BASE_CFG + ICPU_DST_INTR_MAP(0)); + writel(0, BASE_CFG + ICPU_DST_INTR_MAP(1)); + writel(0, BASE_CFG + ICPU_DST_INTR_MAP(2)); + writel(0, BASE_CFG + ICPU_DST_INTR_MAP(3)); + + return 0; +} diff --git a/arch/mips/mach-mscc/dram.c b/arch/mips/mach-mscc/dram.c new file mode 100644 index 00000000000..5acee6f918a --- /dev/null +++ b/arch/mips/mach-mscc/dram.c @@ -0,0 +1,71 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +#include + +#include +#include + +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +static inline int vcoreiii_train_bytelane(void) +{ + int ret; + + ret = hal_vcoreiii_train_bytelane(0); + + if (ret) + return ret; + ret = hal_vcoreiii_train_bytelane(1); + + return ret; +} + +int vcoreiii_ddr_init(void) +{ + int res; + + if (!(readl(BASE_CFG + ICPU_MEMCTRL_STAT) + & ICPU_MEMCTRL_STAT_INIT_DONE)) { + hal_vcoreiii_init_memctl(); + hal_vcoreiii_wait_memctl(); + if (hal_vcoreiii_init_dqs() || vcoreiii_train_bytelane()) + hal_vcoreiii_ddr_failed(); + } +#if (CONFIG_SYS_TEXT_BASE != 0x20000000) + res = dram_check(); + if (res == 0) + hal_vcoreiii_ddr_verified(); + else + hal_vcoreiii_ddr_failed(); + + /* Clear boot-mode and read-back to activate/verify */ + clrbits_le32(BASE_CFG + ICPU_GENERAL_CTRL, + ICPU_GENERAL_CTRL_BOOT_MODE_ENA); + readl(BASE_CFG + ICPU_GENERAL_CTRL); +#else + res = 0; +#endif + return res; +} + +int print_cpuinfo(void) +{ + printf("MSCC VCore-III MIPS 24Kec\n"); + + return 0; +} + +int dram_init(void) +{ + while (vcoreiii_ddr_init()) + ; + + gd->ram_size = CONFIG_SYS_SDRAM_SIZE; + return 0; +} diff --git a/arch/mips/mach-mscc/include/ioremap.h b/arch/mips/mach-mscc/include/ioremap.h new file mode 100644 index 00000000000..9024364a57f --- /dev/null +++ b/arch/mips/mach-mscc/include/ioremap.h @@ -0,0 +1,49 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +#ifndef __ASM_MACH_MSCC_IOREMAP_H +#define __ASM_MACH_MSCC_IOREMAP_H + +#include +#include + +/* + * Allow physical addresses to be fixed up to help peripherals located + * outside the low 32-bit range -- generic pass-through version. + */ +static inline phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr, + phys_addr_t size) +{ + return phys_addr; +} + +static inline int is_vcoreiii_internal_registers(phys_addr_t offset) +{ + if ((offset >= MSCC_IO_ORIGIN1_OFFSET && + offset < (MSCC_IO_ORIGIN1_OFFSET + MSCC_IO_ORIGIN1_SIZE)) || + (offset >= MSCC_IO_ORIGIN2_OFFSET && + offset < (MSCC_IO_ORIGIN2_OFFSET + MSCC_IO_ORIGIN2_SIZE))) + return 1; + + return 0; +} + +static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size, + unsigned long flags) +{ + if (is_vcoreiii_internal_registers(offset)) + return (void __iomem *)offset; + + return NULL; +} + +static inline int plat_iounmap(const volatile void __iomem *addr) +{ + return is_vcoreiii_internal_registers((unsigned long)addr); +} + +#define _page_cachable_default _CACHE_CACHABLE_NONCOHERENT + +#endif /* __ASM_MACH_MSCC_IOREMAP_H */ diff --git a/arch/mips/mach-mscc/include/mach/common.h b/arch/mips/mach-mscc/include/mach/common.h new file mode 100644 index 00000000000..842462aeedc --- /dev/null +++ b/arch/mips/mach-mscc/include/mach/common.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +#ifndef __ASM_MACH_COMMON_H +#define __ASM_MACH_COMMON_H + +#if defined(CONFIG_SOC_OCELOT) +#include +#include +#include +#else +#error Unsupported platform +#endif + +#define MSCC_DDR_TO 0x20000000 /* DDR RAM base offset */ +#define MSCC_MEMCTL1_TO 0x40000000 /* SPI/PI base offset */ +#define MSCC_MEMCTL2_TO 0x50000000 /* SPI/PI base offset */ +#define MSCC_FLASH_TO MSCC_MEMCTL1_TO /* Flash base offset */ + +#define VCOREIII_TIMER_DIVIDER 25 /* Clock tick ~ 0.1 us */ + +#endif /* __ASM_MACH_COMMON_H */ diff --git a/arch/mips/mach-mscc/include/mach/ddr.h b/arch/mips/mach-mscc/include/mach/ddr.h new file mode 100644 index 00000000000..262985c8c98 --- /dev/null +++ b/arch/mips/mach-mscc/include/mach/ddr.h @@ -0,0 +1,708 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +#ifndef __ASM_MACH_DDR_H +#define __ASM_MACH_DDR_H + +#include +#include +#include +#include + +#define MIPS_VCOREIII_MEMORY_DDR3 +#define MIPS_VCOREIII_DDR_SIZE CONFIG_SYS_SDRAM_SIZE + +#if defined(CONFIG_DDRTYPE_H5TQ1G63BFA) /* Serval1 Refboard */ + +/* Hynix H5TQ1G63BFA (1Gbit DDR3, x16) @ 3.20ns */ +#define VC3_MPAR_bank_addr_cnt 3 +#define VC3_MPAR_row_addr_cnt 13 +#define VC3_MPAR_col_addr_cnt 10 +#define VC3_MPAR_tREFI 2437 +#define VC3_MPAR_tRAS_min 12 +#define VC3_MPAR_CL 6 +#define VC3_MPAR_tWTR 4 +#define VC3_MPAR_tRC 16 +#define VC3_MPR_tFAW 16 +#define VC3_MPAR_tRP 5 +#define VC3_MPAR_tRRD 4 +#define VC3_MPAR_tRCD 5 +#define VC3_MPAR_tMRD 4 +#define VC3_MPAR_tRFC 35 +#define VC3_MPAR_CWL 5 +#define VC3_MPAR_tXPR 38 +#define VC3_MPAR_tMOD 12 +#define VC3_MPAR_tDLLK 512 +#define VC3_MPAR_tWR 5 + +#elif defined(CONFIG_DDRTYPE_MT41J128M16HA) /* Validation board */ + +/* Micron MT41J128M16HA-15E:D (2Gbit DDR3, x16) @ 3.20ns */ +#define VC3_MPAR_bank_addr_cnt 3 +#define VC3_MPAR_row_addr_cnt 14 +#define VC3_MPAR_col_addr_cnt 10 +#define VC3_MPAR_tREFI 2437 +#define VC3_MPAR_tRAS_min 12 +#define VC3_MPAR_CL 5 +#define VC3_MPAR_tWTR 4 +#define VC3_MPAR_tRC 16 +#define VC3_MPAR_tFAW 16 +#define VC3_MPAR_tRP 5 +#define VC3_MPAR_tRRD 4 +#define VC3_MPAR_tRCD 5 +#define VC3_MPAR_tMRD 4 +#define VC3_MPAR_tRFC 50 +#define VC3_MPAR_CWL 5 +#define VC3_MPAR_tXPR 54 +#define VC3_MPAR_tMOD 12 +#define VC3_MPAR_tDLLK 512 +#define VC3_MPAR_tWR 5 + +#elif defined(CONFIG_DDRTYPE_MT41K256M16) /* JR2 Validation board */ + +/* Micron MT41K256M16 (4Gbit, DDR3L-800, 256Mbitx16) @ 3.20ns */ +#define VC3_MPAR_bank_addr_cnt 3 +#define VC3_MPAR_row_addr_cnt 15 +#define VC3_MPAR_col_addr_cnt 10 +#define VC3_MPAR_tREFI 2437 +#define VC3_MPAR_tRAS_min 12 +#define VC3_MPAR_CL 5 +#define VC3_MPAR_tWTR 4 +#define VC3_MPAR_tRC 16 +#define VC3_MPAR_tFAW 16 +#define VC3_MPAR_tRP 5 +#define VC3_MPAR_tRRD 4 +#define VC3_MPAR_tRCD 5 +#define VC3_MPAR_tMRD 4 +#define VC3_MPAR_tRFC 82 +#define VC3_MPAR_CWL 5 +#define VC3_MPAR_tXPR 85 +#define VC3_MPAR_tMOD 12 +#define VC3_MPAR_tDLLK 512 +#define VC3_MPAR_tWR 5 + +#elif defined(CONFIG_DDRTYPE_H5TQ4G63MFR) /* JR2 Reference board */ + +/* Hynix H5TQ4G63MFR-PBC (4Gbit, DDR3-800, 256Mbitx16) - 2kb pages @ 3.20ns */ +#define VC3_MPAR_bank_addr_cnt 3 +#define VC3_MPAR_row_addr_cnt 15 +#define VC3_MPAR_col_addr_cnt 10 +#define VC3_MPAR_tREFI 2437 +#define VC3_MPAR_tRAS_min 12 +#define VC3_MPAR_CL 6 +#define VC3_MPAR_tWTR 4 +#define VC3_MPAR_tRC 17 +#define VC3_MPAR_tFAW 16 +#define VC3_MPAR_tRP 5 +#define VC3_MPAR_tRRD 4 +#define VC3_MPAR_tRCD 5 +#define VC3_MPAR_tMRD 4 +#define VC3_MPAR_tRFC 82 +#define VC3_MPAR_CWL 5 +#define VC3_MPAR_tXPR 85 +#define VC3_MPAR_tMOD 12 +#define VC3_MPAR_tDLLK 512 +#define VC3_MPAR_tWR 5 + +#elif defined(CONFIG_DDRTYPE_MT41K128M16JT) + +/* Micron Micron MT41K128M16JT-125 (2Gbit DDR3L, 128Mbitx16) @ 3.20ns */ +#define VC3_MPAR_bank_addr_cnt 3 +#define VC3_MPAR_row_addr_cnt 14 +#define VC3_MPAR_col_addr_cnt 10 +#define VC3_MPAR_tREFI 2437 +#define VC3_MPAR_tRAS_min 12 +#define VC3_MPAR_CL 6 +#define VC3_MPAR_tWTR 4 +#define VC3_MPAR_tRC 16 +#define VC3_MPAR_tFAW 16 +#define VC3_MPAR_tRP 5 +#define VC3_MPAR_tRRD 4 +#define VC3_MPAR_tRCD 5 +#define VC3_MPAR_tMRD 4 +#define VC3_MPAR_tRFC 82 +#define VC3_MPAR_CWL 5 +#define VC3_MPAR_tXPR 85 +#define VC3_MPAR_tMOD 12 +#define VC3_MPAR_tDLLK 512 +#define VC3_MPAR_tWR 5 + +#elif defined(CONFIG_DDRTYPE_MT47H128M8HQ) /* Luton10/26 Refboards */ + +/* Micron 1Gb MT47H128M8-3 16Meg x 8 x 8 banks, DDR-533@CL4 @ 4.80ns */ +#define VC3_MPAR_bank_addr_cnt 3 +#define VC3_MPAR_row_addr_cnt 14 +#define VC3_MPAR_col_addr_cnt 10 +#define VC3_MPAR_tREFI 1625 +#define VC3_MPAR_tRAS_min 9 +#define VC3_MPAR_CL 4 +#define VC3_MPAR_tWTR 2 +#define VC3_MPAR_tRC 12 +#define VC3_MPAR_tFAW 8 +#define VC3_MPAR_tRP 4 +#define VC3_MPAR_tRRD 2 +#define VC3_MPAR_tRCD 4 + +#define VC3_MPAR_tRPA 4 +#define VC3_MPAR_tRP 4 + +#define VC3_MPAR_tMRD 2 +#define VC3_MPAR_tRFC 27 + +#define VC3_MPAR__400_ns_dly 84 + +#define VC3_MPAR_tWR 4 +#undef MIPS_VCOREIII_MEMORY_DDR3 +#else + +#error Unknown DDR system configuration - please add! + +#endif + +#ifdef CONFIG_SOC_OCELOT +#define MIPS_VCOREIII_MEMORY_16BIT 1 +#endif + +#define MIPS_VCOREIII_MEMORY_SSTL_ODT 7 +#define MIPS_VCOREIII_MEMORY_SSTL_DRIVE 7 +#define VCOREIII_DDR_DQS_MODE_CALIBRATE + +#ifdef MIPS_VCOREIII_MEMORY_16BIT +#define VC3_MPAR_16BIT 1 +#else +#define VC3_MPAR_16BIT 0 +#endif + +#ifdef MIPS_VCOREIII_MEMORY_DDR3 +#define VC3_MPAR_DDR3_MODE 1 /* DDR3 */ +#define VC3_MPAR_BURST_LENGTH 8 /* Always 8 (1) for DDR3 */ +#ifdef MIPS_VCOREIII_MEMORY_16BIT +#define VC3_MPAR_BURST_SIZE 1 /* Always 1 for DDR3/16bit */ +#else +#define VC3_MPAR_BURST_SIZE 0 +#endif +#else +#define VC3_MPAR_DDR3_MODE 0 /* DDR2 */ +#ifdef MIPS_VCOREIII_MEMORY_16BIT +#define VC3_MPAR_BURST_LENGTH 4 /* in DDR2 16-bit mode, use burstlen 4 */ +#else +#define VC3_MPAR_BURST_LENGTH 8 /* For 8-bit IF we must run burst-8 */ +#endif +#define VC3_MPAR_BURST_SIZE 0 /* Always 0 for DDR2 */ +#endif + +#define VC3_MPAR_RL VC3_MPAR_CL +#if !defined(MIPS_VCOREIII_MEMORY_DDR3) +#define VC3_MPAR_WL (VC3_MPAR_RL - 1) +#define VC3_MPAR_MD VC3_MPAR_tMRD +#define VC3_MPAR_ID VC3_MPAR__400_ns_dly +#define VC3_MPAR_SD VC3_MPAR_tXSRD +#define VC3_MPAR_OW (VC3_MPAR_WL - 2) +#define VC3_MPAR_OR (VC3_MPAR_WL - 3) +#define VC3_MPAR_RP (VC3_MPAR_bank_addr_cnt < 3 ? VC3_MPAR_tRP : VC3_MPAR_tRPA) +#define VC3_MPAR_FAW (VC3_MPAR_bank_addr_cnt < 3 ? 1 : VC3_MPAR_tFAW) +#define VC3_MPAR_BL (VC3_MPAR_BURST_LENGTH == 4 ? 2 : 4) +#define MSCC_MEMPARM_MR0 \ + (VC3_MPAR_BURST_LENGTH == 8 ? 3 : 2) | (VC3_MPAR_CL << 4) | \ + ((VC3_MPAR_tWR - 1) << 9) +/* DLL-on, Full-OD, AL=0, RTT=off, nDQS-on, RDQS-off, out-en */ +#define MSCC_MEMPARM_MR1 0x382 +#define MSCC_MEMPARM_MR2 0 +#define MSCC_MEMPARM_MR3 0 +#else +#define VC3_MPAR_WL VC3_MPAR_CWL +#define VC3_MPAR_MD VC3_MPAR_tMOD +#define VC3_MPAR_ID VC3_MPAR_tXPR +#define VC3_MPAR_SD VC3_MPAR_tDLLK +#define VC3_MPAR_OW 2 +#define VC3_MPAR_OR 2 +#define VC3_MPAR_RP VC3_MPAR_tRP +#define VC3_MPAR_FAW VC3_MPAR_tFAW +#define VC3_MPAR_BL 4 +#define MSCC_MEMPARM_MR0 ((VC3_MPAR_RL - 4) << 4) | ((VC3_MPAR_tWR - 4) << 9) +/* ODT_RTT: “0x0040” for 120ohm, and “0x0004” for 60ohm. */ +#define MSCC_MEMPARM_MR1 0x0040 +#define MSCC_MEMPARM_MR2 ((VC3_MPAR_WL - 5) << 3) +#define MSCC_MEMPARM_MR3 0 +#endif /* MIPS_VCOREIII_MEMORY_DDR3 */ + +#define MSCC_MEMPARM_MEMCFG \ + ((MIPS_VCOREIII_DDR_SIZE > SZ_512M) ? \ + ICPU_MEMCTRL_CFG_DDR_512MBYTE_PLUS : 0) | \ + (VC3_MPAR_16BIT ? ICPU_MEMCTRL_CFG_DDR_WIDTH : 0) | \ + (VC3_MPAR_DDR3_MODE ? ICPU_MEMCTRL_CFG_DDR_MODE : 0) | \ + (VC3_MPAR_BURST_SIZE ? ICPU_MEMCTRL_CFG_BURST_SIZE : 0) | \ + (VC3_MPAR_BURST_LENGTH == 8 ? ICPU_MEMCTRL_CFG_BURST_LEN : 0) | \ + (VC3_MPAR_bank_addr_cnt == 3 ? ICPU_MEMCTRL_CFG_BANK_CNT : 0) | \ + ICPU_MEMCTRL_CFG_MSB_ROW_ADDR(VC3_MPAR_row_addr_cnt - 1) | \ + ICPU_MEMCTRL_CFG_MSB_COL_ADDR(VC3_MPAR_col_addr_cnt - 1) + +#ifdef CONFIG_SOC_OCELOT +#define MSCC_MEMPARM_PERIOD \ + ICPU_MEMCTRL_REF_PERIOD_MAX_PEND_REF(8) | \ + ICPU_MEMCTRL_REF_PERIOD_REF_PERIOD(VC3_MPAR_tREFI) + +#define MSCC_MEMPARM_TIMING0 \ + ICPU_MEMCTRL_TIMING0_RD_TO_WR_DLY(VC3_MPAR_RL + VC3_MPAR_BL + 1 - \ + VC3_MPAR_WL) | \ + ICPU_MEMCTRL_TIMING0_WR_CS_CHANGE_DLY(VC3_MPAR_BL - 1) | \ + ICPU_MEMCTRL_TIMING0_RD_CS_CHANGE_DLY(VC3_MPAR_BL) | \ + ICPU_MEMCTRL_TIMING0_RAS_TO_PRECH_DLY(VC3_MPAR_tRAS_min - 1) | \ + ICPU_MEMCTRL_TIMING0_WR_TO_PRECH_DLY(VC3_MPAR_WL + \ + VC3_MPAR_BL + \ + VC3_MPAR_tWR - 1) | \ + ICPU_MEMCTRL_TIMING0_RD_TO_PRECH_DLY(VC3_MPAR_BL - 1) | \ + ICPU_MEMCTRL_TIMING0_WR_DATA_XFR_DLY(VC3_MPAR_WL - 1) | \ + ICPU_MEMCTRL_TIMING0_RD_DATA_XFR_DLY(VC3_MPAR_RL - 3) + +#define MSCC_MEMPARM_TIMING1 \ + ICPU_MEMCTRL_TIMING1_RAS_TO_RAS_SAME_BANK_DLY(VC3_MPAR_tRC - 1) | \ + ICPU_MEMCTRL_TIMING1_BANK8_FAW_DLY(VC3_MPAR_FAW - 1) | \ + ICPU_MEMCTRL_TIMING1_PRECH_TO_RAS_DLY(VC3_MPAR_RP - 1) | \ + ICPU_MEMCTRL_TIMING1_RAS_TO_RAS_DLY(VC3_MPAR_tRRD - 1) | \ + ICPU_MEMCTRL_TIMING1_RAS_TO_CAS_DLY(VC3_MPAR_tRCD - 1) | \ + ICPU_MEMCTRL_TIMING1_WR_TO_RD_DLY(VC3_MPAR_WL + \ + VC3_MPAR_BL + \ + VC3_MPAR_tWTR - 1) + +#define MSCC_MEMPARM_TIMING2 \ + ICPU_MEMCTRL_TIMING2_PRECH_ALL_DLY(VC3_MPAR_RP - 1) | \ + ICPU_MEMCTRL_TIMING2_MDSET_DLY(VC3_MPAR_MD - 1) | \ + ICPU_MEMCTRL_TIMING2_REF_DLY(VC3_MPAR_tRFC - 1) | \ + ICPU_MEMCTRL_TIMING2_INIT_DLY(VC3_MPAR_ID - 1) + +#define MSCC_MEMPARM_TIMING3 \ + ICPU_MEMCTRL_TIMING3_WR_TO_RD_CS_CHANGE_DLY(VC3_MPAR_WL + \ + VC3_MPAR_tWTR - 1) |\ + ICPU_MEMCTRL_TIMING3_ODT_RD_DLY(VC3_MPAR_OR - 1) | \ + ICPU_MEMCTRL_TIMING3_ODT_WR_DLY(VC3_MPAR_OW - 1) | \ + ICPU_MEMCTRL_TIMING3_LOCAL_ODT_RD_DLY(VC3_MPAR_RL - 3) + +#else +#define MSCC_MEMPARM_PERIOD \ + ICPU_MEMCTRL_REF_PERIOD_MAX_PEND_REF(1) | \ + ICPU_MEMCTRL_REF_PERIOD_REF_PERIOD(VC3_MPAR_tREFI) + +#define MSCC_MEMPARM_TIMING0 \ + ICPU_MEMCTRL_TIMING0_RAS_TO_PRECH_DLY(VC3_MPAR_tRAS_min - 1) | \ + ICPU_MEMCTRL_TIMING0_WR_TO_PRECH_DLY(VC3_MPAR_CL + \ + (VC3_MPAR_BURST_LENGTH == 8 ? 2 : 0) + \ + VC3_MPAR_tWR) | \ + ICPU_MEMCTRL_TIMING0_RD_TO_PRECH_DLY(VC3_MPAR_BURST_LENGTH == 8 ? 3 : 1) | \ + ICPU_MEMCTRL_TIMING0_WR_DATA_XFR_DLY(VC3_MPAR_CL - 3) | \ + ICPU_MEMCTRL_TIMING0_RD_DATA_XFR_DLY(VC3_MPAR_CL - 3) + +#define MSCC_MEMPARM_TIMING1 \ + ICPU_MEMCTRL_TIMING1_RAS_TO_RAS_SAME_BANK_DLY(VC3_MPAR_tRC - 1) | \ + ICPU_MEMCTRL_TIMING1_BANK8_FAW_DLY(VC3_MPAR_tFAW - 1) | \ + ICPU_MEMCTRL_TIMING1_PRECH_TO_RAS_DLY(VC3_MPAR_tRP - 1) | \ + ICPU_MEMCTRL_TIMING1_RAS_TO_RAS_DLY(VC3_MPAR_tRRD - 1) | \ + ICPU_MEMCTRL_TIMING1_RAS_TO_CAS_DLY(VC3_MPAR_tRCD - 1) | \ + ICPU_MEMCTRL_TIMING1_WR_TO_RD_DLY(VC3_MPAR_CL + \ + (VC3_MPAR_BURST_LENGTH == 8 ? 2 : 0) + \ + VC3_MPAR_tWTR) +#define MSCC_MEMPARM_TIMING2 \ + ICPU_MEMCTRL_TIMING2_PRECH_ALL_DLY(VC3_MPAR_tRPA - 1) | \ + ICPU_MEMCTRL_TIMING2_MDSET_DLY(VC3_MPAR_tMRD - 1) | \ + ICPU_MEMCTRL_TIMING2_REF_DLY(VC3_MPAR_tRFC - 1) | \ + ICPU_MEMCTRL_TIMING2_FOUR_HUNDRED_NS_DLY(VC3_MPAR__400_ns_dly) + +#define MSCC_MEMPARM_TIMING3 \ + ICPU_MEMCTRL_TIMING3_WR_TO_RD_CS_CHANGE_DLY(VC3_MPAR_CL - 1) | \ + ICPU_MEMCTRL_TIMING3_ODT_WR_DLY(VC3_MPAR_CL - 1) | \ + ICPU_MEMCTRL_TIMING3_LOCAL_ODT_RD_DLY(VC3_MPAR_CL - 1) + +#endif + +enum { + DDR_TRAIN_OK, + DDR_TRAIN_CONTINUE, + DDR_TRAIN_ERROR, +}; + +/* + * We actually have very few 'pause' possibilities apart from + * these assembly nops (at this very early stage). + */ +#define PAUSE() asm volatile("nop; nop; nop; nop; nop; nop; nop; nop") + +/* NB: Assumes inlining as no stack is available! */ +static inline void set_dly(u32 bytelane, u32 dly) +{ + register u32 r = readl(BASE_CFG + ICPU_MEMCTRL_DQS_DLY(bytelane)); + + r &= ~ICPU_MEMCTRL_DQS_DLY_DQS_DLY_M; + r |= ICPU_MEMCTRL_DQS_DLY_DQS_DLY(dly); + writel(r, BASE_CFG + ICPU_MEMCTRL_DQS_DLY(bytelane)); +} + +static inline bool incr_dly(u32 bytelane) +{ + register u32 r = readl(BASE_CFG + ICPU_MEMCTRL_DQS_DLY(bytelane)); + + if (ICPU_MEMCTRL_DQS_DLY_DQS_DLY(r) < 31) { + writel(r + 1, BASE_CFG + ICPU_MEMCTRL_DQS_DLY(bytelane)); + return true; + } + + return false; +} + +static inline bool adjust_dly(int adjust) +{ + register u32 r = readl(BASE_CFG + ICPU_MEMCTRL_DQS_DLY(0)); + + if (ICPU_MEMCTRL_DQS_DLY_DQS_DLY(r) < 31) { + writel(r + adjust, BASE_CFG + ICPU_MEMCTRL_DQS_DLY(0)); + return true; + } + + return false; +} + +/* NB: Assumes inlining as no stack is available! */ +static inline void center_dly(u32 bytelane, u32 start) +{ + register u32 r = readl(BASE_CFG + ICPU_MEMCTRL_DQS_DLY(bytelane)) - start; + + writel(start + (r >> 1), BASE_CFG + ICPU_MEMCTRL_DQS_DLY(bytelane)); +} + +static inline void memphy_soft_reset(void) +{ + setbits_le32(BASE_CFG + ICPU_MEMPHY_CFG, ICPU_MEMPHY_CFG_PHY_FIFO_RST); + PAUSE(); + clrbits_le32(BASE_CFG + ICPU_MEMPHY_CFG, ICPU_MEMPHY_CFG_PHY_FIFO_RST); + PAUSE(); +} + +#ifdef CONFIG_SOC_OCELOT +static u8 training_data[] = { 0xfe, 0x11, 0x33, 0x55, 0x77, 0x99, 0xbb, 0xdd }; + +static inline void sleep_100ns(u32 val) +{ + /* Set the timer tick generator to 100 ns */ + writel(VCOREIII_TIMER_DIVIDER - 1, BASE_CFG + ICPU_TIMER_TICK_DIV); + + /* Set the timer value */ + writel(val, BASE_CFG + ICPU_TIMER_VALUE(0)); + + /* Enable timer 0 for one-shot */ + writel(ICPU_TIMER_CTRL_ONE_SHOT_ENA | ICPU_TIMER_CTRL_TIMER_ENA, + BASE_CFG + ICPU_TIMER_CTRL(0)); + + /* Wait for timer 0 to reach 0 */ + while (readl(BASE_CFG + ICPU_TIMER_VALUE(0)) != 0) + ; +} + +static inline void hal_vcoreiii_ddr_reset_assert(void) +{ + /* DDR has reset pin on GPIO 19 toggle Low-High to release */ + setbits_le32(BASE_DEVCPU_GCB + PERF_GPIO_OE, BIT(19)); + writel(BIT(19), BASE_DEVCPU_GCB + PERF_GPIO_OUT_CLR); + sleep_100ns(10000); +} + +static inline void hal_vcoreiii_ddr_reset_release(void) +{ + /* DDR has reset pin on GPIO 19 toggle Low-High to release */ + setbits_le32(BASE_DEVCPU_GCB + PERF_GPIO_OE, BIT(19)); + writel(BIT(19), BASE_DEVCPU_GCB + PERF_GPIO_OUT_SET); + sleep_100ns(10000); +} + +/* + * DDR memory sanity checking failed, tally and do hard reset + * + * NB: Assumes inlining as no stack is available! + */ +static inline void hal_vcoreiii_ddr_failed(void) +{ + register u32 reset; + + writel(readl(BASE_CFG + ICPU_GPR(6)) + 1, BASE_CFG + ICPU_GPR(6)); + + clrbits_le32(BASE_DEVCPU_GCB + PERF_GPIO_OE, BIT(19)); + + /* We have to execute the reset function from cache. Indeed, + * the reboot workaround in _machine_restart() will change the + * SPI NOR into SW bitbang. + * + * This will render the CPU unable to execute directly from + * the NOR, which is why the reset instructions are prefetched + * into the I-cache. + * + * When failing the DDR initialization we are executing from + * NOR. + * + * The last instruction in _machine_restart() will reset the + * MIPS CPU (and the cache), and the CPU will start executing + * from the reset vector. + */ + reset = KSEG0ADDR(_machine_restart); + icache_lock((void *)reset, 128); + asm volatile ("jr %0"::"r" (reset)); + + panic("DDR init failed\n"); +} + +/* + * DDR memory sanity checking done, possibly enable ECC. + * + * NB: Assumes inlining as no stack is available! + */ +static inline void hal_vcoreiii_ddr_verified(void) +{ +#ifdef MIPS_VCOREIII_MEMORY_ECC + /* Finally, enable ECC */ + register u32 val = readl(BASE_CFG + ICPU_MEMCTRL_CFG); + + val |= ICPU_MEMCTRL_CFG_DDR_ECC_ERR_ENA; + val &= ~ICPU_MEMCTRL_CFG_BURST_SIZE; + + writel(val, BASE_CFG + ICPU_MEMCTRL_CFG); +#endif + + /* Reset Status register - sticky bits */ + writel(readl(BASE_CFG + ICPU_MEMCTRL_STAT), BASE_CFG + ICPU_MEMCTRL_STAT); +} + +/* NB: Assumes inlining as no stack is available! */ +static inline int look_for(u32 bytelane) +{ + register u32 i; + + /* Reset FIFO in case any previous access failed */ + for (i = 0; i < sizeof(training_data); i++) { + register u32 byte; + + memphy_soft_reset(); + /* Reset sticky bits */ + writel(readl(BASE_CFG + ICPU_MEMCTRL_STAT), + BASE_CFG + ICPU_MEMCTRL_STAT); + /* Read data */ + byte = __raw_readb((void __iomem *)MSCC_DDR_TO + bytelane + + (i * 4)); + + /* + * Prevent the compiler reordering the instruction so + * the read of RAM happens after the check of the + * errors. + */ + rmb(); + if (readl(BASE_CFG + ICPU_MEMCTRL_STAT) & + (ICPU_MEMCTRL_STAT_RDATA_MASKED | + ICPU_MEMCTRL_STAT_RDATA_DUMMY)) { + /* Noise on the line */ + goto read_error; + } + /* If mismatch, increment DQS - if possible */ + if (byte != training_data[i]) { + read_error: + if (!incr_dly(bytelane)) + return DDR_TRAIN_ERROR; + return DDR_TRAIN_CONTINUE; + } + } + return DDR_TRAIN_OK; +} + +/* NB: Assumes inlining as no stack is available! */ +static inline int look_past(u32 bytelane) +{ + register u32 i; + + /* Reset FIFO in case any previous access failed */ + for (i = 0; i < sizeof(training_data); i++) { + register u32 byte; + + memphy_soft_reset(); + /* Ack sticky bits */ + writel(readl(BASE_CFG + ICPU_MEMCTRL_STAT), + BASE_CFG + ICPU_MEMCTRL_STAT); + byte = __raw_readb((void __iomem *)MSCC_DDR_TO + bytelane + + (i * 4)); + /* + * Prevent the compiler reordering the instruction so + * the read of RAM happens after the check of the + * errors. + */ + rmb(); + if (readl(BASE_CFG + ICPU_MEMCTRL_STAT) & + (ICPU_MEMCTRL_STAT_RDATA_MASKED | + ICPU_MEMCTRL_STAT_RDATA_DUMMY)) { + /* Noise on the line */ + goto read_error; + } + /* Bail out when we see first mismatch */ + if (byte != training_data[i]) { + read_error: + return DDR_TRAIN_OK; + } + } + /* All data compares OK, increase DQS and retry */ + if (!incr_dly(bytelane)) + return DDR_TRAIN_ERROR; + + return DDR_TRAIN_CONTINUE; +} + +static inline int hal_vcoreiii_train_bytelane(u32 bytelane) +{ + register int res; + register u32 dqs_s; + + set_dly(bytelane, 0); /* Start training at DQS=0 */ + while ((res = look_for(bytelane)) == DDR_TRAIN_CONTINUE) + ; + if (res != DDR_TRAIN_OK) + return res; + + dqs_s = readl(BASE_CFG + ICPU_MEMCTRL_DQS_DLY(bytelane)); + while ((res = look_past(bytelane)) == DDR_TRAIN_CONTINUE) + ; + if (res != DDR_TRAIN_OK) + return res; + /* Reset FIFO - for good measure */ + memphy_soft_reset(); + /* Adjust to center [dqs_s;cur] */ + center_dly(bytelane, dqs_s); + return DDR_TRAIN_OK; +} + +/* This algorithm is converted from the TCL training algorithm used + * during silicon simulation. + * NB: Assumes inlining as no stack is available! + */ +static inline int hal_vcoreiii_init_dqs(void) +{ +#define MAX_DQS 32 + register u32 i, j; + + for (i = 0; i < MAX_DQS; i++) { + set_dly(0, i); /* Byte-lane 0 */ + for (j = 0; j < MAX_DQS; j++) { + __maybe_unused register u32 byte; + + set_dly(1, j); /* Byte-lane 1 */ + /* Reset FIFO in case any previous access failed */ + memphy_soft_reset(); + writel(readl(BASE_CFG + ICPU_MEMCTRL_STAT), + BASE_CFG + ICPU_MEMCTRL_STAT); + byte = __raw_readb((void __iomem *)MSCC_DDR_TO); + byte = __raw_readb((void __iomem *)(MSCC_DDR_TO + 1)); + if (!(readl(BASE_CFG + ICPU_MEMCTRL_STAT) & + (ICPU_MEMCTRL_STAT_RDATA_MASKED | + ICPU_MEMCTRL_STAT_RDATA_DUMMY))) + return 0; + } + } + return -1; +} + +static inline int dram_check(void) +{ + register u32 i; + + for (i = 0; i < 8; i++) { + __raw_writel(~i, (void __iomem *)(MSCC_DDR_TO + (i * 4))); + if (__raw_readl((void __iomem *)(MSCC_DDR_TO + (i * 4))) != ~i) + return 1; + } + return 0; +} + +/* + * NB: Called *early* to init memory controller - assumes inlining as + * no stack is available! + */ +static inline void hal_vcoreiii_init_memctl(void) +{ + /* Ensure DDR is in reset */ + hal_vcoreiii_ddr_reset_assert(); + + /* Wait maybe not needed, but ... */ + PAUSE(); + + /* Drop sys ctl memory controller forced reset */ + clrbits_le32(BASE_CFG + ICPU_RESET, ICPU_RESET_MEM_RST_FORCE); + + PAUSE(); + + /* Drop Reset, enable SSTL */ + writel(ICPU_MEMPHY_CFG_PHY_SSTL_ENA, BASE_CFG + ICPU_MEMPHY_CFG); + PAUSE(); + + /* Start the automatic SSTL output and ODT drive-strength calibration */ + writel(ICPU_MEMPHY_ZCAL_ZCAL_PROG_ODT(MIPS_VCOREIII_MEMORY_SSTL_ODT) | + /* drive strength */ + ICPU_MEMPHY_ZCAL_ZCAL_PROG(MIPS_VCOREIII_MEMORY_SSTL_DRIVE) | + /* Start calibration process */ + ICPU_MEMPHY_ZCAL_ZCAL_ENA, BASE_CFG + ICPU_MEMPHY_ZCAL); + + /* Wait for ZCAL to clear */ + while (readl(BASE_CFG + ICPU_MEMPHY_ZCAL) & ICPU_MEMPHY_ZCAL_ZCAL_ENA) + ; + + /* Check no ZCAL_ERR */ + if (readl(BASE_CFG + ICPU_MEMPHY_ZCAL_STAT) + & ICPU_MEMPHY_ZCAL_STAT_ZCAL_ERR) + hal_vcoreiii_ddr_failed(); + + /* Drive CL, CK, ODT */ + setbits_le32(BASE_CFG + ICPU_MEMPHY_CFG, ICPU_MEMPHY_CFG_PHY_ODT_OE | + ICPU_MEMPHY_CFG_PHY_CK_OE | ICPU_MEMPHY_CFG_PHY_CL_OE); + + /* Initialize memory controller */ + writel(MSCC_MEMPARM_MEMCFG, BASE_CFG + ICPU_MEMCTRL_CFG); + writel(MSCC_MEMPARM_PERIOD, BASE_CFG + ICPU_MEMCTRL_REF_PERIOD); + + writel(MSCC_MEMPARM_TIMING0, BASE_CFG + ICPU_MEMCTRL_TIMING0); + + writel(MSCC_MEMPARM_TIMING1, BASE_CFG + ICPU_MEMCTRL_TIMING1); + writel(MSCC_MEMPARM_TIMING2, BASE_CFG + ICPU_MEMCTRL_TIMING2); + writel(MSCC_MEMPARM_TIMING3, BASE_CFG + ICPU_MEMCTRL_TIMING3); + writel(MSCC_MEMPARM_MR0, BASE_CFG + ICPU_MEMCTRL_MR0_VAL); + writel(MSCC_MEMPARM_MR1, BASE_CFG + ICPU_MEMCTRL_MR1_VAL); + writel(MSCC_MEMPARM_MR2, BASE_CFG + ICPU_MEMCTRL_MR2_VAL); + writel(MSCC_MEMPARM_MR3, BASE_CFG + ICPU_MEMCTRL_MR3_VAL); + + /* Termination setup - enable ODT */ + writel(ICPU_MEMCTRL_TERMRES_CTRL_LOCAL_ODT_RD_ENA | + /* Assert ODT0 for any write */ + ICPU_MEMCTRL_TERMRES_CTRL_ODT_WR_ENA(3), + BASE_CFG + ICPU_MEMCTRL_TERMRES_CTRL); + + /* Release Reset from DDR */ + hal_vcoreiii_ddr_reset_release(); + + writel(readl(BASE_CFG + ICPU_GPR(7)) + 1, BASE_CFG + ICPU_GPR(7)); +} + +static inline void hal_vcoreiii_wait_memctl(void) +{ + /* Now, rip it! */ + writel(ICPU_MEMCTRL_CTRL_INITIALIZE, BASE_CFG + ICPU_MEMCTRL_CTRL); + + while (!(readl(BASE_CFG + ICPU_MEMCTRL_STAT) + & ICPU_MEMCTRL_STAT_INIT_DONE)) + ; + + /* Settle...? */ + sleep_100ns(10000); + + /* Establish data contents in DDR RAM for training */ + + __raw_writel(0xcacafefe, ((void __iomem *)MSCC_DDR_TO)); + __raw_writel(0x22221111, ((void __iomem *)MSCC_DDR_TO + 0x4)); + __raw_writel(0x44443333, ((void __iomem *)MSCC_DDR_TO + 0x8)); + __raw_writel(0x66665555, ((void __iomem *)MSCC_DDR_TO + 0xC)); + __raw_writel(0x88887777, ((void __iomem *)MSCC_DDR_TO + 0x10)); + __raw_writel(0xaaaa9999, ((void __iomem *)MSCC_DDR_TO + 0x14)); + __raw_writel(0xccccbbbb, ((void __iomem *)MSCC_DDR_TO + 0x18)); + __raw_writel(0xeeeedddd, ((void __iomem *)MSCC_DDR_TO + 0x1C)); +} +#endif /* __ASM_MACH_DDR_H */ diff --git a/arch/mips/mach-mscc/include/mach/ocelot/ocelot.h b/arch/mips/mach-mscc/include/mach/ocelot/ocelot.h new file mode 100644 index 00000000000..2cb2135d374 --- /dev/null +++ b/arch/mips/mach-mscc/include/mach/ocelot/ocelot.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ +/* + * Microsemi Ocelot Switch driver + * + * Copyright (c) 2018 Microsemi Corporation + */ + +#ifndef _MSCC_OCELOT_H_ +#define _MSCC_OCELOT_H_ + +#include +#include + +/* + * Target offset base(s) + */ +#define MSCC_IO_ORIGIN1_OFFSET 0x70000000 +#define MSCC_IO_ORIGIN1_SIZE 0x00200000 +#define MSCC_IO_ORIGIN2_OFFSET 0x71000000 +#define MSCC_IO_ORIGIN2_SIZE 0x01000000 +#define BASE_CFG ((void __iomem *)0x70000000) +#define BASE_DEVCPU_GCB ((void __iomem *)0x71070000) + +#endif diff --git a/arch/mips/mach-mscc/include/mach/ocelot/ocelot_devcpu_gcb.h b/arch/mips/mach-mscc/include/mach/ocelot/ocelot_devcpu_gcb.h new file mode 100644 index 00000000000..f8aa97ba267 --- /dev/null +++ b/arch/mips/mach-mscc/include/mach/ocelot/ocelot_devcpu_gcb.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +#ifndef _MSCC_OCELOT_DEVCPU_GCB_H_ +#define _MSCC_OCELOT_DEVCPU_GCB_H_ + +#define PERF_SOFT_RST 0x8 + +#define PERF_SOFT_RST_SOFT_NON_CFG_RST BIT(2) +#define PERF_SOFT_RST_SOFT_SWC_RST BIT(1) +#define PERF_SOFT_RST_SOFT_CHIP_RST BIT(0) + +#define PERF_GPIO_OUT_SET 0x34 + +#define PERF_GPIO_OUT_CLR 0x38 + +#define PERF_GPIO_OE 0x44 + +#endif diff --git a/arch/mips/mach-mscc/include/mach/ocelot/ocelot_icpu_cfg.h b/arch/mips/mach-mscc/include/mach/ocelot/ocelot_icpu_cfg.h new file mode 100644 index 00000000000..04cf70bec34 --- /dev/null +++ b/arch/mips/mach-mscc/include/mach/ocelot/ocelot_icpu_cfg.h @@ -0,0 +1,274 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +#ifndef _MSCC_OCELOT_ICPU_CFG_H_ +#define _MSCC_OCELOT_ICPU_CFG_H_ + +#define ICPU_GPR(x) (0x4 * (x)) +#define ICPU_GPR_RSZ 0x4 + +#define ICPU_RESET 0x20 + +#define ICPU_RESET_CORE_RST_CPU_ONLY BIT(3) +#define ICPU_RESET_CORE_RST_PROTECT BIT(2) +#define ICPU_RESET_CORE_RST_FORCE BIT(1) +#define ICPU_RESET_MEM_RST_FORCE BIT(0) + +#define ICPU_GENERAL_CTRL 0x24 + +#define ICPU_GENERAL_CTRL_CPU_BUSIF_SLEEP_DIS BIT(14) +#define ICPU_GENERAL_CTRL_CPU_BUSIF_WERR_ENA BIT(13) +#define ICPU_GENERAL_CTRL_CPU_8051_IROM_ENA BIT(12) +#define ICPU_GENERAL_CTRL_CPU_MIPS_DIS BIT(11) +#define ICPU_GENERAL_CTRL_IF_MIIM_SLV_ADDR_SEL BIT(10) +#define ICPU_GENERAL_CTRL_IF_MIIM_SLV_ENA BIT(9) +#define ICPU_GENERAL_CTRL_IF_PI_SLV_DONEPOL BIT(8) +#define ICPU_GENERAL_CTRL_IF_PI_MST_ENA BIT(7) +#define ICPU_GENERAL_CTRL_IF_PI_SLV_ENA BIT(6) +#define ICPU_GENERAL_CTRL_IF_SI_OWNER(x) (((x) << 4) & GENMASK(5, 4)) +#define ICPU_GENERAL_CTRL_IF_SI_OWNER_M GENMASK(5, 4) +#define ICPU_GENERAL_CTRL_IF_SI_OWNER_X(x) (((x) & GENMASK(5, 4)) >> 4) +#define ICPU_GENERAL_CTRL_SSI_MST_CONTENTION BIT(3) +#define ICPU_GENERAL_CTRL_CPU_BE_ENA BIT(2) +#define ICPU_GENERAL_CTRL_CPU_DIS BIT(1) +#define ICPU_GENERAL_CTRL_BOOT_MODE_ENA BIT(0) +#define ICPU_SPI_MST_CFG 0x3c + +#define ICPU_SPI_MST_CFG_A32B_ENA BIT(11) +#define ICPU_SPI_MST_CFG_FAST_READ_ENA BIT(10) +#define ICPU_SPI_MST_CFG_CS_DESELECT_TIME(x) (((x) << 5) & GENMASK(9, 5)) +#define ICPU_SPI_MST_CFG_CS_DESELECT_TIME_M GENMASK(9, 5) +#define ICPU_SPI_MST_CFG_CS_DESELECT_TIME_X(x) (((x) & GENMASK(9, 5)) >> 5) +#define ICPU_SPI_MST_CFG_CLK_DIV(x) ((x) & GENMASK(4, 0)) +#define ICPU_SPI_MST_CFG_CLK_DIV_M GENMASK(4, 0) + +#define ICPU_SW_MODE 0x50 + +#define ICPU_SW_MODE_SW_PIN_CTRL_MODE BIT(13) +#define ICPU_SW_MODE_SW_SPI_SCK BIT(12) +#define ICPU_SW_MODE_SW_SPI_SCK_OE BIT(11) +#define ICPU_SW_MODE_SW_SPI_SDO BIT(10) +#define ICPU_SW_MODE_SW_SPI_SDO_OE BIT(9) +#define ICPU_SW_MODE_SW_SPI_CS(x) (((x) << 5) & GENMASK(8, 5)) +#define ICPU_SW_MODE_SW_SPI_CS_M GENMASK(8, 5) +#define ICPU_SW_MODE_SW_SPI_CS_X(x) (((x) & GENMASK(8, 5)) >> 5) +#define ICPU_SW_MODE_SW_SPI_CS_OE(x) (((x) << 1) & GENMASK(4, 1)) +#define ICPU_SW_MODE_SW_SPI_CS_OE_M GENMASK(4, 1) +#define ICPU_SW_MODE_SW_SPI_CS_OE_X(x) (((x) & GENMASK(4, 1)) >> 1) +#define ICPU_SW_MODE_SW_SPI_SDI BIT(0) + +#define ICPU_INTR_ENA 0x88 + +#define ICPU_DST_INTR_MAP(x) (0x98 + 0x4 * (x)) +#define ICPU_DST_INTR_MAP_RSZ 0x4 + +#define ICPU_DST_INTR_IDENT 0xa8 +#define ICPU_DST_INTR_IDENT_RSZ 0x4 + +#define ICPU_TIMER_TICK_DIV 0xe8 +#define ICPU_TIMER_VALUE(x) (0xec + 0x4 * (x)) + +#define ICPU_TIMER_CTRL(x) (0x104 + 0x4 * (x)) +#define ICPU_TIMER_CTRL_MAX_FREQ_ENA BIT(3) +#define ICPU_TIMER_CTRL_ONE_SHOT_ENA BIT(2) +#define ICPU_TIMER_CTRL_TIMER_ENA BIT(1) +#define ICPU_TIMER_CTRL_FORCE_RELOAD BIT(0) + +#define ICPU_MEMCTRL_CTRL 0x110 +#define ICPU_MEMCTRL_CTRL_PWR_DOWN BIT(3) +#define ICPU_MEMCTRL_CTRL_MDSET BIT(2) +#define ICPU_MEMCTRL_CTRL_STALL_REF_ENA BIT(1) +#define ICPU_MEMCTRL_CTRL_INITIALIZE BIT(0) + +#define ICPU_MEMCTRL_CFG 0x114 + +#define ICPU_MEMCTRL_CFG_DDR_512MBYTE_PLUS BIT(16) +#define ICPU_MEMCTRL_CFG_DDR_ECC_ERR_ENA BIT(15) +#define ICPU_MEMCTRL_CFG_DDR_ECC_COR_ENA BIT(14) +#define ICPU_MEMCTRL_CFG_DDR_ECC_ENA BIT(13) +#define ICPU_MEMCTRL_CFG_DDR_WIDTH BIT(12) +#define ICPU_MEMCTRL_CFG_DDR_MODE BIT(11) +#define ICPU_MEMCTRL_CFG_BURST_SIZE BIT(10) +#define ICPU_MEMCTRL_CFG_BURST_LEN BIT(9) +#define ICPU_MEMCTRL_CFG_BANK_CNT BIT(8) +#define ICPU_MEMCTRL_CFG_MSB_ROW_ADDR(x) (((x) << 4) & GENMASK(7, 4)) +#define ICPU_MEMCTRL_CFG_MSB_ROW_ADDR_M GENMASK(7, 4) +#define ICPU_MEMCTRL_CFG_MSB_ROW_ADDR_X(x) (((x) & GENMASK(7, 4)) >> 4) +#define ICPU_MEMCTRL_CFG_MSB_COL_ADDR(x) ((x) & GENMASK(3, 0)) +#define ICPU_MEMCTRL_CFG_MSB_COL_ADDR_M GENMASK(3, 0) + +#define ICPU_MEMCTRL_STAT 0x118 + +#define ICPU_MEMCTRL_STAT_RDATA_MASKED BIT(5) +#define ICPU_MEMCTRL_STAT_RDATA_DUMMY BIT(4) +#define ICPU_MEMCTRL_STAT_RDATA_ECC_ERR BIT(3) +#define ICPU_MEMCTRL_STAT_RDATA_ECC_COR BIT(2) +#define ICPU_MEMCTRL_STAT_PWR_DOWN_ACK BIT(1) +#define ICPU_MEMCTRL_STAT_INIT_DONE BIT(0) + +#define ICPU_MEMCTRL_REF_PERIOD 0x11c + +#define ICPU_MEMCTRL_REF_PERIOD_MAX_PEND_REF(x) (((x) << 16) & GENMASK(19, 16)) +#define ICPU_MEMCTRL_REF_PERIOD_MAX_PEND_REF_M GENMASK(19, 16) +#define ICPU_MEMCTRL_REF_PERIOD_MAX_PEND_REF_X(x) (((x) & GENMASK(19, 16)) >> 16) +#define ICPU_MEMCTRL_REF_PERIOD_REF_PERIOD(x) ((x) & GENMASK(15, 0)) +#define ICPU_MEMCTRL_REF_PERIOD_REF_PERIOD_M GENMASK(15, 0) + +#define ICPU_MEMCTRL_TIMING0 0x124 + +#define ICPU_MEMCTRL_TIMING0_RD_TO_WR_DLY(x) (((x) << 28) & GENMASK(31, 28)) +#define ICPU_MEMCTRL_TIMING0_RD_TO_WR_DLY_M GENMASK(31, 28) +#define ICPU_MEMCTRL_TIMING0_RD_TO_WR_DLY_X(x) (((x) & GENMASK(31, 28)) >> 28) +#define ICPU_MEMCTRL_TIMING0_WR_CS_CHANGE_DLY(x) (((x) << 24) & GENMASK(27, 24)) +#define ICPU_MEMCTRL_TIMING0_WR_CS_CHANGE_DLY_M GENMASK(27, 24) +#define ICPU_MEMCTRL_TIMING0_WR_CS_CHANGE_DLY_X(x) (((x) & GENMASK(27, 24)) >> 24) +#define ICPU_MEMCTRL_TIMING0_RD_CS_CHANGE_DLY(x) (((x) << 20) & GENMASK(23, 20)) +#define ICPU_MEMCTRL_TIMING0_RD_CS_CHANGE_DLY_M GENMASK(23, 20) +#define ICPU_MEMCTRL_TIMING0_RD_CS_CHANGE_DLY_X(x) (((x) & GENMASK(23, 20)) >> 20) +#define ICPU_MEMCTRL_TIMING0_RAS_TO_PRECH_DLY(x) (((x) << 16) & GENMASK(19, 16)) +#define ICPU_MEMCTRL_TIMING0_RAS_TO_PRECH_DLY_M GENMASK(19, 16) +#define ICPU_MEMCTRL_TIMING0_RAS_TO_PRECH_DLY_X(x) (((x) & GENMASK(19, 16)) >> 16) +#define ICPU_MEMCTRL_TIMING0_WR_TO_PRECH_DLY(x) (((x) << 12) & GENMASK(15, 12)) +#define ICPU_MEMCTRL_TIMING0_WR_TO_PRECH_DLY_M GENMASK(15, 12) +#define ICPU_MEMCTRL_TIMING0_WR_TO_PRECH_DLY_X(x) (((x) & GENMASK(15, 12)) >> 12) +#define ICPU_MEMCTRL_TIMING0_RD_TO_PRECH_DLY(x) (((x) << 8) & GENMASK(11, 8)) +#define ICPU_MEMCTRL_TIMING0_RD_TO_PRECH_DLY_M GENMASK(11, 8) +#define ICPU_MEMCTRL_TIMING0_RD_TO_PRECH_DLY_X(x) (((x) & GENMASK(11, 8)) >> 8) +#define ICPU_MEMCTRL_TIMING0_WR_DATA_XFR_DLY(x) (((x) << 4) & GENMASK(7, 4)) +#define ICPU_MEMCTRL_TIMING0_WR_DATA_XFR_DLY_M GENMASK(7, 4) +#define ICPU_MEMCTRL_TIMING0_WR_DATA_XFR_DLY_X(x) (((x) & GENMASK(7, 4)) >> 4) +#define ICPU_MEMCTRL_TIMING0_RD_DATA_XFR_DLY(x) ((x) & GENMASK(3, 0)) +#define ICPU_MEMCTRL_TIMING0_RD_DATA_XFR_DLY_M GENMASK(3, 0) + +#define ICPU_MEMCTRL_TIMING1 0x128 + +#define ICPU_MEMCTRL_TIMING1_RAS_TO_RAS_SAME_BANK_DLY(x) (((x) << 24) & GENMASK(31, 24)) +#define ICPU_MEMCTRL_TIMING1_RAS_TO_RAS_SAME_BANK_DLY_M GENMASK(31, 24) +#define ICPU_MEMCTRL_TIMING1_RAS_TO_RAS_SAME_BANK_DLY_X(x) (((x) & GENMASK(31, 24)) >> 24) +#define ICPU_MEMCTRL_TIMING1_BANK8_FAW_DLY(x) (((x) << 16) & GENMASK(23, 16)) +#define ICPU_MEMCTRL_TIMING1_BANK8_FAW_DLY_M GENMASK(23, 16) +#define ICPU_MEMCTRL_TIMING1_BANK8_FAW_DLY_X(x) (((x) & GENMASK(23, 16)) >> 16) +#define ICPU_MEMCTRL_TIMING1_PRECH_TO_RAS_DLY(x) (((x) << 12) & GENMASK(15, 12)) +#define ICPU_MEMCTRL_TIMING1_PRECH_TO_RAS_DLY_M GENMASK(15, 12) +#define ICPU_MEMCTRL_TIMING1_PRECH_TO_RAS_DLY_X(x) (((x) & GENMASK(15, 12)) >> 12) +#define ICPU_MEMCTRL_TIMING1_RAS_TO_RAS_DLY(x) (((x) << 8) & GENMASK(11, 8)) +#define ICPU_MEMCTRL_TIMING1_RAS_TO_RAS_DLY_M GENMASK(11, 8) +#define ICPU_MEMCTRL_TIMING1_RAS_TO_RAS_DLY_X(x) (((x) & GENMASK(11, 8)) >> 8) +#define ICPU_MEMCTRL_TIMING1_RAS_TO_CAS_DLY(x) (((x) << 4) & GENMASK(7, 4)) +#define ICPU_MEMCTRL_TIMING1_RAS_TO_CAS_DLY_M GENMASK(7, 4) +#define ICPU_MEMCTRL_TIMING1_RAS_TO_CAS_DLY_X(x) (((x) & GENMASK(7, 4)) >> 4) +#define ICPU_MEMCTRL_TIMING1_WR_TO_RD_DLY(x) ((x) & GENMASK(3, 0)) +#define ICPU_MEMCTRL_TIMING1_WR_TO_RD_DLY_M GENMASK(3, 0) + +#define ICPU_MEMCTRL_TIMING2 0x12c + +#define ICPU_MEMCTRL_TIMING2_PRECH_ALL_DLY(x) (((x) << 28) & GENMASK(31, 28)) +#define ICPU_MEMCTRL_TIMING2_PRECH_ALL_DLY_M GENMASK(31, 28) +#define ICPU_MEMCTRL_TIMING2_PRECH_ALL_DLY_X(x) (((x) & GENMASK(31, 28)) >> 28) +#define ICPU_MEMCTRL_TIMING2_MDSET_DLY(x) (((x) << 24) & GENMASK(27, 24)) +#define ICPU_MEMCTRL_TIMING2_MDSET_DLY_M GENMASK(27, 24) +#define ICPU_MEMCTRL_TIMING2_MDSET_DLY_X(x) (((x) & GENMASK(27, 24)) >> 24) +#define ICPU_MEMCTRL_TIMING2_REF_DLY(x) (((x) << 16) & GENMASK(23, 16)) +#define ICPU_MEMCTRL_TIMING2_REF_DLY_M GENMASK(23, 16) +#define ICPU_MEMCTRL_TIMING2_REF_DLY_X(x) (((x) & GENMASK(23, 16)) >> 16) +#define ICPU_MEMCTRL_TIMING2_INIT_DLY(x) ((x) & GENMASK(15, 0)) +#define ICPU_MEMCTRL_TIMING2_INIT_DLY_M GENMASK(15, 0) + +#define ICPU_MEMCTRL_TIMING3 0x130 + +#define ICPU_MEMCTRL_TIMING3_RMW_DLY(x) (((x) << 16) & GENMASK(19, 16)) +#define ICPU_MEMCTRL_TIMING3_RMW_DLY_M GENMASK(19, 16) +#define ICPU_MEMCTRL_TIMING3_RMW_DLY_X(x) (((x) & GENMASK(19, 16)) >> 16) +#define ICPU_MEMCTRL_TIMING3_ODT_RD_DLY(x) (((x) << 12) & GENMASK(15, 12)) +#define ICPU_MEMCTRL_TIMING3_ODT_RD_DLY_M GENMASK(15, 12) +#define ICPU_MEMCTRL_TIMING3_ODT_RD_DLY_X(x) (((x) & GENMASK(15, 12)) >> 12) +#define ICPU_MEMCTRL_TIMING3_ODT_WR_DLY(x) (((x) << 8) & GENMASK(11, 8)) +#define ICPU_MEMCTRL_TIMING3_ODT_WR_DLY_M GENMASK(11, 8) +#define ICPU_MEMCTRL_TIMING3_ODT_WR_DLY_X(x) (((x) & GENMASK(11, 8)) >> 8) +#define ICPU_MEMCTRL_TIMING3_LOCAL_ODT_RD_DLY(x) (((x) << 4) & GENMASK(7, 4)) +#define ICPU_MEMCTRL_TIMING3_LOCAL_ODT_RD_DLY_M GENMASK(7, 4) +#define ICPU_MEMCTRL_TIMING3_LOCAL_ODT_RD_DLY_X(x) (((x) & GENMASK(7, 4)) >> 4) +#define ICPU_MEMCTRL_TIMING3_WR_TO_RD_CS_CHANGE_DLY(x) ((x) & GENMASK(3, 0)) +#define ICPU_MEMCTRL_TIMING3_WR_TO_RD_CS_CHANGE_DLY_M GENMASK(3, 0) + +#define ICPU_MEMCTRL_MR0_VAL 0x138 + +#define ICPU_MEMCTRL_MR1_VAL 0x13c + +#define ICPU_MEMCTRL_MR2_VAL 0x140 + +#define ICPU_MEMCTRL_MR3_VAL 0x144 + +#define ICPU_MEMCTRL_TERMRES_CTRL 0x148 + +#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_RD_EXT BIT(11) +#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_RD_ENA(x) (((x) << 7) & GENMASK(10, 7)) +#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_RD_ENA_M GENMASK(10, 7) +#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_RD_ENA_X(x) (((x) & GENMASK(10, 7)) >> 7) +#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_WR_EXT BIT(6) +#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_WR_ENA(x) (((x) << 2) & GENMASK(5, 2)) +#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_WR_ENA_M GENMASK(5, 2) +#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_WR_ENA_X(x) (((x) & GENMASK(5, 2)) >> 2) +#define ICPU_MEMCTRL_TERMRES_CTRL_LOCAL_ODT_RD_EXT BIT(1) +#define ICPU_MEMCTRL_TERMRES_CTRL_LOCAL_ODT_RD_ENA BIT(0) + +#define ICPU_MEMCTRL_DQS_DLY(x) (0x150 + 0x4 * (x)) +#define ICPU_MEMCTRL_DQS_DLY_RSZ 0x4 + +#define ICPU_MEMCTRL_DQS_DLY_TRAIN_DQ_ENA BIT(11) +#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY_TRM1(x) (((x) << 8) & GENMASK(10, 8)) +#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY_TRM1_M GENMASK(10, 8) +#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY_TRM1_X(x) (((x) & GENMASK(10, 8)) >> 8) +#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY_TRM0(x) (((x) << 5) & GENMASK(7, 5)) +#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY_TRM0_M GENMASK(7, 5) +#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY_TRM0_X(x) (((x) & GENMASK(7, 5)) >> 5) +#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY(x) ((x) & GENMASK(4, 0)) +#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY_M GENMASK(4, 0) + +#define ICPU_MEMPHY_CFG 0x160 + +#define ICPU_MEMPHY_CFG_PHY_FLUSH_DIS BIT(10) +#define ICPU_MEMPHY_CFG_PHY_RD_ADJ_DIS BIT(9) +#define ICPU_MEMPHY_CFG_PHY_DQS_EXT BIT(8) +#define ICPU_MEMPHY_CFG_PHY_FIFO_RST BIT(7) +#define ICPU_MEMPHY_CFG_PHY_DLL_BL_RST BIT(6) +#define ICPU_MEMPHY_CFG_PHY_DLL_CL_RST BIT(5) +#define ICPU_MEMPHY_CFG_PHY_ODT_OE BIT(4) +#define ICPU_MEMPHY_CFG_PHY_CK_OE BIT(3) +#define ICPU_MEMPHY_CFG_PHY_CL_OE BIT(2) +#define ICPU_MEMPHY_CFG_PHY_SSTL_ENA BIT(1) +#define ICPU_MEMPHY_CFG_PHY_RST BIT(0) + +#define ICPU_MEMPHY_ZCAL 0x188 + +#define ICPU_MEMPHY_ZCAL_ZCAL_CLK_SEL BIT(9) +#define ICPU_MEMPHY_ZCAL_ZCAL_PROG_ODT(x) (((x) << 5) & GENMASK(8, 5)) +#define ICPU_MEMPHY_ZCAL_ZCAL_PROG_ODT_M GENMASK(8, 5) +#define ICPU_MEMPHY_ZCAL_ZCAL_PROG_ODT_X(x) (((x) & GENMASK(8, 5)) >> 5) +#define ICPU_MEMPHY_ZCAL_ZCAL_PROG(x) (((x) << 1) & GENMASK(4, 1)) +#define ICPU_MEMPHY_ZCAL_ZCAL_PROG_M GENMASK(4, 1) +#define ICPU_MEMPHY_ZCAL_ZCAL_PROG_X(x) (((x) & GENMASK(4, 1)) >> 1) +#define ICPU_MEMPHY_ZCAL_ZCAL_ENA BIT(0) + +#define ICPU_MEMPHY_ZCAL_STAT 0x18c + +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_ZCTRL(x) (((x) << 12) & GENMASK(31, 12)) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_ZCTRL_M GENMASK(31, 12) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_ZCTRL_X(x) (((x) & GENMASK(31, 12)) >> 12) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_ODTPU(x) (((x) << 8) & GENMASK(9, 8)) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_ODTPU_M GENMASK(9, 8) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_ODTPU_X(x) (((x) & GENMASK(9, 8)) >> 8) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_ODTPD(x) (((x) << 6) & GENMASK(7, 6)) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_ODTPD_M GENMASK(7, 6) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_ODTPD_X(x) (((x) & GENMASK(7, 6)) >> 6) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_PU(x) (((x) << 4) & GENMASK(5, 4)) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_PU_M GENMASK(5, 4) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_PU_X(x) (((x) & GENMASK(5, 4)) >> 4) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_PD(x) (((x) << 2) & GENMASK(3, 2)) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_PD_M GENMASK(3, 2) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_STAT_PD_X(x) (((x) & GENMASK(3, 2)) >> 2) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_ERR BIT(1) +#define ICPU_MEMPHY_ZCAL_STAT_ZCAL_DONE BIT(0) +#endif diff --git a/arch/mips/mach-mscc/include/mach/tlb.h b/arch/mips/mach-mscc/include/mach/tlb.h new file mode 100644 index 00000000000..fdb554f5518 --- /dev/null +++ b/arch/mips/mach-mscc/include/mach/tlb.h @@ -0,0 +1,55 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +#ifndef __ASM_MACH_TLB_H +#define __ASM_MACH_TLB_H + +#include +#include +#include + +#define TLB_HI_MASK 0xffffe000 +#define TLB_LO_MASK 0x3fffffff /* Masks off Fill bits */ +#define TLB_LO_SHIFT 6 /* PFN Start bit */ + +#define PAGEMASK_SHIFT 13 + +#define MMU_PAGE_CACHED (3 << 3) /* C(5:3) Cache Coherency Attributes */ +#define MMU_PAGE_UNCACHED (2 << 3) /* C(5:3) Cache Coherency Attributes */ +#define MMU_PAGE_DIRTY BIT(2) /* = Writeable */ +#define MMU_PAGE_VALID BIT(1) +#define MMU_PAGE_GLOBAL BIT(0) +#define MMU_REGIO_RO_C (MMU_PAGE_CACHED | MMU_PAGE_VALID | MMU_PAGE_GLOBAL) +#define MMU_REGIO_RO (MMU_PAGE_UNCACHED | MMU_PAGE_VALID | MMU_PAGE_GLOBAL) +#define MMU_REGIO_RW (MMU_PAGE_DIRTY | MMU_REGIO_RO) +#define MMU_REGIO_INVAL (MMU_PAGE_GLOBAL) + +#define TLB_COUNT_MASK GENMASK(5, 0) +#define TLB_COUNT_OFF 25 + +static inline u32 get_tlb_count(void) +{ + register u32 config1; + + config1 = read_c0_config1(); + config1 >>= TLB_COUNT_OFF; + config1 &= TLB_COUNT_MASK; + + return 1 + config1; +} + +static inline void create_tlb(int index, u32 offset, u32 size, u32 tlb_attrib1, + u32 tlb_attrib2) +{ + register u32 tlb_mask, tlb_lo0, tlb_lo1; + + tlb_mask = ((size >> 12) - 1) << PAGEMASK_SHIFT; + tlb_lo0 = tlb_attrib1 | (offset >> TLB_LO_SHIFT); + tlb_lo1 = tlb_attrib2 | ((offset + size) >> TLB_LO_SHIFT); + + write_one_tlb(index, tlb_mask, offset & TLB_HI_MASK, + tlb_lo0 & TLB_LO_MASK, tlb_lo1 & TLB_LO_MASK); +} +#endif /* __ASM_MACH_TLB_H */ diff --git a/arch/mips/mach-mscc/lowlevel_init.S b/arch/mips/mach-mscc/lowlevel_init.S new file mode 100644 index 00000000000..f8f14adf610 --- /dev/null +++ b/arch/mips/mach-mscc/lowlevel_init.S @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +#include +#include + + .set noreorder + .extern vcoreiii_tlb_init + +LEAF(lowlevel_init) + /* + * As we have no stack yet, we can assume the restricted + * luxury of the sX-registers without saving them + */ + move s0,ra + + jal vcoreiii_tlb_init + nop + jr s0 + nop + END(lowlevel_init) diff --git a/arch/mips/mach-mscc/reset.c b/arch/mips/mach-mscc/reset.c new file mode 100644 index 00000000000..390bbd086a8 --- /dev/null +++ b/arch/mips/mach-mscc/reset.c @@ -0,0 +1,30 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +#include + +#include +#include + +#include + +void _machine_restart(void) +{ + register u32 resetbits = PERF_SOFT_RST_SOFT_CHIP_RST; + (void)readl(BASE_DEVCPU_GCB + PERF_SOFT_RST); + + /* Make sure VCore is NOT protected from reset */ + clrbits_le32(BASE_CFG + ICPU_RESET, ICPU_RESET_CORE_RST_PROTECT); + + /* Change to SPI bitbang for SPI reset workaround... */ + writel(ICPU_SW_MODE_SW_SPI_CS_OE(1) | ICPU_SW_MODE_SW_SPI_CS(1) | + ICPU_SW_MODE_SW_PIN_CTRL_MODE, BASE_CFG + ICPU_SW_MODE); + + /* Do the global reset */ + writel(resetbits, BASE_DEVCPU_GCB + PERF_SOFT_RST); + + while (1) + ; /* NOP */ +} From 6bd8231a6dd58c2003e67a84e55705014d963989 Mon Sep 17 00:00:00 2001 From: Gregory CLEMENT Date: Fri, 14 Dec 2018 16:16:48 +0100 Subject: [PATCH 40/47] MSCC: add support for Luton SoCs As the Ocelots SoCs, this family of SoCs are found in the Microsemi Switches solution. Signed-off-by: Gregory CLEMENT --- arch/mips/mach-mscc/Kconfig | 13 + arch/mips/mach-mscc/Makefile | 1 + arch/mips/mach-mscc/cpu.c | 14 +- arch/mips/mach-mscc/dram.c | 2 + arch/mips/mach-mscc/include/mach/common.h | 4 + arch/mips/mach-mscc/include/mach/ddr.h | 112 +++++++- .../mips/mach-mscc/include/mach/luton/luton.h | 24 ++ .../include/mach/luton/luton_devcpu_gcb.h | 14 + .../include/mach/luton/luton_icpu_cfg.h | 245 ++++++++++++++++++ arch/mips/mach-mscc/lowlevel_init.S | 7 + arch/mips/mach-mscc/lowlevel_init_luton.S | 62 +++++ 11 files changed, 494 insertions(+), 4 deletions(-) create mode 100644 arch/mips/mach-mscc/include/mach/luton/luton.h create mode 100644 arch/mips/mach-mscc/include/mach/luton/luton_devcpu_gcb.h create mode 100644 arch/mips/mach-mscc/include/mach/luton/luton_icpu_cfg.h create mode 100644 arch/mips/mach-mscc/lowlevel_init_luton.S diff --git a/arch/mips/mach-mscc/Kconfig b/arch/mips/mach-mscc/Kconfig index 7f1b270207f..a8cace0e796 100644 --- a/arch/mips/mach-mscc/Kconfig +++ b/arch/mips/mach-mscc/Kconfig @@ -21,6 +21,12 @@ config SOC_OCELOT help This supports MSCC Ocelot family of SOCs. +config SOC_LUTON + bool + select SOC_VCOREIII + help + This supports MSCC Luton family of SOCs. + config SYS_CONFIG_NAME default "vcoreiii" @@ -41,6 +47,13 @@ config TARGET_OCELOT_PCB123 When selected, CONFIG_DEFAULT_DEVICE_TREE should be set to ocelot_pcb123 +config TARGET_LUTON_PCB091 + bool "MSCC PCB091 Reference Board" + select SOC_LUTON + select MSCC_BITBANG_SPI_GPIO + help + When selected, CONFIG_DEFAULT_DEVICE_TREE should be set to + luton_pcb091 endchoice choice diff --git a/arch/mips/mach-mscc/Makefile b/arch/mips/mach-mscc/Makefile index d14ec338381..6c60f26ca43 100644 --- a/arch/mips/mach-mscc/Makefile +++ b/arch/mips/mach-mscc/Makefile @@ -3,3 +3,4 @@ CFLAGS_cpu.o += -finline-limit=64000 obj-y += cpu.o dram.o reset.o lowlevel_init.o +obj-$(CONFIG_SOC_LUTON) += lowlevel_init_luton.o diff --git a/arch/mips/mach-mscc/cpu.c b/arch/mips/mach-mscc/cpu.c index b503e1407b2..5be8ff69d5d 100644 --- a/arch/mips/mach-mscc/cpu.c +++ b/arch/mips/mach-mscc/cpu.c @@ -48,6 +48,10 @@ void vcoreiii_tlb_init(void) */ create_tlb(tlbix++, MSCC_IO_ORIGIN1_OFFSET, SZ_16M, MMU_REGIO_RW, MMU_REGIO_RW); +#ifdef CONFIG_SOC_LUTON + create_tlb(tlbix++, MSCC_IO_ORIGIN2_OFFSET, SZ_16M, MMU_REGIO_RW, + MMU_REGIO_RW); +#endif #if CONFIG_SYS_TEXT_BASE == MSCC_FLASH_TO /* @@ -75,6 +79,14 @@ void vcoreiii_tlb_init(void) int mach_cpu_init(void) { /* Speed up NOR flash access */ +#ifdef CONFIG_SOC_LUTON + writel(ICPU_PI_MST_CFG_TRISTATE_CTRL + + ICPU_PI_MST_CFG_CLK_DIV(4), BASE_CFG + ICPU_PI_MST_CFG); + + writel(ICPU_SPI_MST_CFG_FAST_READ_ENA + + ICPU_SPI_MST_CFG_CS_DESELECT_TIME(0x19) + + ICPU_SPI_MST_CFG_CLK_DIV(9), BASE_CFG + ICPU_SPI_MST_CFG); +#else writel(ICPU_SPI_MST_CFG_CS_DESELECT_TIME(0x19) + ICPU_SPI_MST_CFG_CLK_DIV(9), BASE_CFG + ICPU_SPI_MST_CFG); /* @@ -85,6 +97,6 @@ int mach_cpu_init(void) writel(0, BASE_CFG + ICPU_DST_INTR_MAP(1)); writel(0, BASE_CFG + ICPU_DST_INTR_MAP(2)); writel(0, BASE_CFG + ICPU_DST_INTR_MAP(3)); - +#endif return 0; } diff --git a/arch/mips/mach-mscc/dram.c b/arch/mips/mach-mscc/dram.c index 5acee6f918a..309007c14ef 100644 --- a/arch/mips/mach-mscc/dram.c +++ b/arch/mips/mach-mscc/dram.c @@ -19,9 +19,11 @@ static inline int vcoreiii_train_bytelane(void) ret = hal_vcoreiii_train_bytelane(0); +#ifdef CONFIG_SOC_OCELOT if (ret) return ret; ret = hal_vcoreiii_train_bytelane(1); +#endif return ret; } diff --git a/arch/mips/mach-mscc/include/mach/common.h b/arch/mips/mach-mscc/include/mach/common.h index 842462aeedc..931ecd7985e 100644 --- a/arch/mips/mach-mscc/include/mach/common.h +++ b/arch/mips/mach-mscc/include/mach/common.h @@ -10,6 +10,10 @@ #include #include #include +#elif defined(CONFIG_SOC_LUTON) +#include +#include +#include #else #error Unsupported platform #endif diff --git a/arch/mips/mach-mscc/include/mach/ddr.h b/arch/mips/mach-mscc/include/mach/ddr.h index 262985c8c98..f445e63a35e 100644 --- a/arch/mips/mach-mscc/include/mach/ddr.h +++ b/arch/mips/mach-mscc/include/mach/ddr.h @@ -614,6 +614,98 @@ static inline int dram_check(void) } return 0; } +#else /* Luton */ + +static inline void sleep_100ns(u32 val) +{ +} + +static inline void hal_vcoreiii_ddr_reset_assert(void) +{ + setbits_le32(BASE_CFG + ICPU_MEMPHY_CFG, ICPU_MEMPHY_CFG_PHY_RST); + setbits_le32(BASE_CFG + ICPU_RESET, ICPU_RESET_MEM_RST_FORCE); +} + +static inline void hal_vcoreiii_ddr_reset_release(void) +{ +} + +static inline void hal_vcoreiii_ddr_failed(void) +{ + register u32 memphy_cfg = readl(BASE_CFG + ICPU_MEMPHY_CFG); + + /* Do a fifo reset and start over */ + writel(memphy_cfg | ICPU_MEMPHY_CFG_PHY_FIFO_RST, + BASE_CFG + ICPU_MEMPHY_CFG); + writel(memphy_cfg & ~ICPU_MEMPHY_CFG_PHY_FIFO_RST, + BASE_CFG + ICPU_MEMPHY_CFG); + writel(memphy_cfg | ICPU_MEMPHY_CFG_PHY_FIFO_RST, + BASE_CFG + ICPU_MEMPHY_CFG); +} + +static inline void hal_vcoreiii_ddr_verified(void) +{ +} + +static inline int look_for(u32 data) +{ + register u32 byte = __raw_readb((void __iomem *)MSCC_DDR_TO); + + if (data != byte) { + if (!incr_dly(0)) + return DDR_TRAIN_ERROR; + return DDR_TRAIN_CONTINUE; + } + + return DDR_TRAIN_OK; +} + +/* This algorithm is converted from the TCL training algorithm used + * during silicon simulation. + * NB: Assumes inlining as no stack is available! + */ +static inline int hal_vcoreiii_train_bytelane(u32 bytelane) +{ + register int res; + + set_dly(bytelane, 0); /* Start training at DQS=0 */ + while ((res = look_for(0xff)) == DDR_TRAIN_CONTINUE) + ; + if (res != DDR_TRAIN_OK) + return res; + + set_dly(bytelane, 0); /* Start training at DQS=0 */ + while ((res = look_for(0x00)) == DDR_TRAIN_CONTINUE) + + ; + + if (res != DDR_TRAIN_OK) + return res; + + adjust_dly(-3); + + return DDR_TRAIN_OK; +} + +static inline int hal_vcoreiii_init_dqs(void) +{ + return 0; +} + +static inline int dram_check(void) +{ + register u32 i; + + for (i = 0; i < 8; i++) { + __raw_writel(~i, (void __iomem *)(MSCC_DDR_TO + (i * 4))); + + if (__raw_readl((void __iomem *)(MSCC_DDR_TO + (i * 4))) != ~i) + return 1; + } + + return 0; +} +#endif /* * NB: Called *early* to init memory controller - assumes inlining as @@ -646,12 +738,12 @@ static inline void hal_vcoreiii_init_memctl(void) /* Wait for ZCAL to clear */ while (readl(BASE_CFG + ICPU_MEMPHY_ZCAL) & ICPU_MEMPHY_ZCAL_ZCAL_ENA) ; - +#ifdef CONFIG_SOC_OCELOT /* Check no ZCAL_ERR */ if (readl(BASE_CFG + ICPU_MEMPHY_ZCAL_STAT) & ICPU_MEMPHY_ZCAL_STAT_ZCAL_ERR) hal_vcoreiii_ddr_failed(); - +#endif /* Drive CL, CK, ODT */ setbits_le32(BASE_CFG + ICPU_MEMPHY_CFG, ICPU_MEMPHY_CFG_PHY_ODT_OE | ICPU_MEMPHY_CFG_PHY_CK_OE | ICPU_MEMPHY_CFG_PHY_CL_OE); @@ -660,7 +752,12 @@ static inline void hal_vcoreiii_init_memctl(void) writel(MSCC_MEMPARM_MEMCFG, BASE_CFG + ICPU_MEMCTRL_CFG); writel(MSCC_MEMPARM_PERIOD, BASE_CFG + ICPU_MEMCTRL_REF_PERIOD); +#ifdef CONFIG_SOC_OCELOT writel(MSCC_MEMPARM_TIMING0, BASE_CFG + ICPU_MEMCTRL_TIMING0); +#else /* Luton */ + clrbits_le32(BASE_CFG + ICPU_MEMCTRL_TIMING0, ((1 << 20) - 1)); + setbits_le32(BASE_CFG + ICPU_MEMCTRL_TIMING0, MSCC_MEMPARM_TIMING0); +#endif writel(MSCC_MEMPARM_TIMING1, BASE_CFG + ICPU_MEMCTRL_TIMING1); writel(MSCC_MEMPARM_TIMING2, BASE_CFG + ICPU_MEMCTRL_TIMING2); @@ -670,6 +767,7 @@ static inline void hal_vcoreiii_init_memctl(void) writel(MSCC_MEMPARM_MR2, BASE_CFG + ICPU_MEMCTRL_MR2_VAL); writel(MSCC_MEMPARM_MR3, BASE_CFG + ICPU_MEMCTRL_MR3_VAL); +#ifdef CONFIG_SOC_OCELOT /* Termination setup - enable ODT */ writel(ICPU_MEMCTRL_TERMRES_CTRL_LOCAL_ODT_RD_ENA | /* Assert ODT0 for any write */ @@ -680,6 +778,11 @@ static inline void hal_vcoreiii_init_memctl(void) hal_vcoreiii_ddr_reset_release(); writel(readl(BASE_CFG + ICPU_GPR(7)) + 1, BASE_CFG + ICPU_GPR(7)); +#else /* Luton */ + /* Termination setup - disable ODT */ + writel(0, BASE_CFG + ICPU_MEMCTRL_TERMRES_CTRL); + +#endif } static inline void hal_vcoreiii_wait_memctl(void) @@ -693,7 +796,7 @@ static inline void hal_vcoreiii_wait_memctl(void) /* Settle...? */ sleep_100ns(10000); - +#ifdef CONFIG_SOC_OCELOT /* Establish data contents in DDR RAM for training */ __raw_writel(0xcacafefe, ((void __iomem *)MSCC_DDR_TO)); @@ -704,5 +807,8 @@ static inline void hal_vcoreiii_wait_memctl(void) __raw_writel(0xaaaa9999, ((void __iomem *)MSCC_DDR_TO + 0x14)); __raw_writel(0xccccbbbb, ((void __iomem *)MSCC_DDR_TO + 0x18)); __raw_writel(0xeeeedddd, ((void __iomem *)MSCC_DDR_TO + 0x1C)); +#else + __raw_writel(0xff, ((void __iomem *)MSCC_DDR_TO)); +#endif } #endif /* __ASM_MACH_DDR_H */ diff --git a/arch/mips/mach-mscc/include/mach/luton/luton.h b/arch/mips/mach-mscc/include/mach/luton/luton.h new file mode 100644 index 00000000000..19f02ede666 --- /dev/null +++ b/arch/mips/mach-mscc/include/mach/luton/luton.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ +/* + * Microsemi Ocelot Switch driver + * + * Copyright (c) 2018 Microsemi Corporation + */ + +#ifndef _MSCC_OCELOT_H_ +#define _MSCC_OCELOT_H_ + +#include +#include + +/* + * Target offset base(s) + */ +#define MSCC_IO_ORIGIN1_OFFSET 0x60000000 +#define MSCC_IO_ORIGIN1_SIZE 0x01000000 +#define MSCC_IO_ORIGIN2_OFFSET 0x70000000 +#define MSCC_IO_ORIGIN2_SIZE 0x00200000 +#define BASE_CFG ((void __iomem *)0x70000000) +#define BASE_DEVCPU_GCB ((void __iomem *)0x60070000) + +#endif diff --git a/arch/mips/mach-mscc/include/mach/luton/luton_devcpu_gcb.h b/arch/mips/mach-mscc/include/mach/luton/luton_devcpu_gcb.h new file mode 100644 index 00000000000..8c0b612325e --- /dev/null +++ b/arch/mips/mach-mscc/include/mach/luton/luton_devcpu_gcb.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +#ifndef _MSCC_OCELOT_DEVCPU_GCB_H_ +#define _MSCC_OCELOT_DEVCPU_GCB_H_ + +#define PERF_SOFT_RST 0x90 + +#define PERF_SOFT_RST_SOFT_SWC_RST BIT(1) +#define PERF_SOFT_RST_SOFT_CHIP_RST BIT(0) + +#endif diff --git a/arch/mips/mach-mscc/include/mach/luton/luton_icpu_cfg.h b/arch/mips/mach-mscc/include/mach/luton/luton_icpu_cfg.h new file mode 100644 index 00000000000..9233f037bb8 --- /dev/null +++ b/arch/mips/mach-mscc/include/mach/luton/luton_icpu_cfg.h @@ -0,0 +1,245 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +#ifndef _MSCC_OCELOT_ICPU_CFG_H_ +#define _MSCC_OCELOT_ICPU_CFG_H_ + +#define ICPU_GPR(x) (0x4 * (x)) +#define ICPU_GPR_RSZ 0x4 + +#define ICPU_RESET 0x20 + +#define ICPU_RESET_CORE_RST_CPU_ONLY BIT(3) +#define ICPU_RESET_CORE_RST_PROTECT BIT(2) +#define ICPU_RESET_CORE_RST_FORCE BIT(1) +#define ICPU_RESET_MEM_RST_FORCE BIT(0) + +#define ICPU_GENERAL_CTRL 0x24 + +#define ICPU_GENERAL_CTRL_SWC_CLEAR_IF BIT(6) +#define ICPU_GENERAL_CTRL_CPU_BUSIF_SLEEP_DIS BIT(5) +#define ICPU_GENERAL_CTRL_CPU_BUSIF_WERR_ENA BIT(4) +#define ICPU_GENERAL_CTRL_IF_MASTER_DIS BIT(3) +#define ICPU_GENERAL_CTRL_IF_MASTER_SPI_ENA BIT(2) +#define ICPU_GENERAL_CTRL_IF_MASTER_PI_ENA BIT(1) + +#define ICPU_GENERAL_CTRL_BOOT_MODE_ENA BIT(0) + +#define ICPU_PI_MST_CFG 0x2c + +#define ICPU_PI_MST_CFG_ATE_MODE_DIS BIT(7) +#define ICPU_PI_MST_CFG_CLK_POL BIT(6) +#define ICPU_PI_MST_CFG_TRISTATE_CTRL BIT(5) +#define ICPU_PI_MST_CFG_CLK_DIV(x) ((x) & GENMASK(4, 0)) +#define ICPU_PI_MST_CFG_CLK_DIV_M GENMASK(4, 0) + +#define ICPU_SPI_MST_CFG 0x50 + +#define ICPU_SPI_MST_CFG_FAST_READ_ENA BIT(10) +#define ICPU_SPI_MST_CFG_CS_DESELECT_TIME(x) (((x) << 5) & GENMASK(9, 5)) +#define ICPU_SPI_MST_CFG_CS_DESELECT_TIME_M GENMASK(9, 5) +#define ICPU_SPI_MST_CFG_CS_DESELECT_TIME_X(x) (((x) & GENMASK(9, 5)) >> 5) +#define ICPU_SPI_MST_CFG_CLK_DIV(x) ((x) & GENMASK(4, 0)) +#define ICPU_SPI_MST_CFG_CLK_DIV_M GENMASK(4, 0) + +#define ICPU_SW_MODE 0x64 + +#define ICPU_SW_MODE_SW_PIN_CTRL_MODE BIT(13) +#define ICPU_SW_MODE_SW_SPI_SCK BIT(12) +#define ICPU_SW_MODE_SW_SPI_SCK_OE BIT(11) +#define ICPU_SW_MODE_SW_SPI_SDO BIT(10) +#define ICPU_SW_MODE_SW_SPI_SDO_OE BIT(9) +#define ICPU_SW_MODE_SW_SPI_CS(x) (((x) << 5) & GENMASK(8, 5)) +#define ICPU_SW_MODE_SW_SPI_CS_M GENMASK(8, 5) +#define ICPU_SW_MODE_SW_SPI_CS_X(x) (((x) & GENMASK(8, 5)) >> 5) +#define ICPU_SW_MODE_SW_SPI_CS_OE(x) (((x) << 1) & GENMASK(4, 1)) +#define ICPU_SW_MODE_SW_SPI_CS_OE_M GENMASK(4, 1) +#define ICPU_SW_MODE_SW_SPI_CS_OE_X(x) (((x) & GENMASK(4, 1)) >> 1) +#define ICPU_SW_MODE_SW_SPI_SDI BIT(0) + +#define ICPU_INTR_ENA 0x88 + +#define ICPU_INTR_IRQ0_ENA 0x98 +#define ICPU_INTR_IRQ0_ENA_IRQ0_ENA BIT(0) + +#define ICPU_MEMCTRL_CTRL 0x234 + +#define ICPU_MEMCTRL_CTRL_PWR_DOWN BIT(3) +#define ICPU_MEMCTRL_CTRL_MDSET BIT(2) +#define ICPU_MEMCTRL_CTRL_STALL_REF_ENA BIT(1) +#define ICPU_MEMCTRL_CTRL_INITIALIZE BIT(0) + +#define ICPU_MEMCTRL_CFG 0x238 + +#define ICPU_MEMCTRL_CFG_DDR_512MBYTE_PLUS BIT(16) +#define ICPU_MEMCTRL_CFG_DDR_ECC_ERR_ENA BIT(15) +#define ICPU_MEMCTRL_CFG_DDR_ECC_COR_ENA BIT(14) +#define ICPU_MEMCTRL_CFG_DDR_ECC_ENA BIT(13) +#define ICPU_MEMCTRL_CFG_DDR_WIDTH BIT(12) +#define ICPU_MEMCTRL_CFG_DDR_MODE BIT(11) +#define ICPU_MEMCTRL_CFG_BURST_SIZE BIT(10) +#define ICPU_MEMCTRL_CFG_BURST_LEN BIT(9) +#define ICPU_MEMCTRL_CFG_BANK_CNT BIT(8) +#define ICPU_MEMCTRL_CFG_MSB_ROW_ADDR(x) (((x) << 4) & GENMASK(7, 4)) +#define ICPU_MEMCTRL_CFG_MSB_ROW_ADDR_M GENMASK(7, 4) +#define ICPU_MEMCTRL_CFG_MSB_ROW_ADDR_X(x) (((x) & GENMASK(7, 4)) >> 4) +#define ICPU_MEMCTRL_CFG_MSB_COL_ADDR(x) ((x) & GENMASK(3, 0)) +#define ICPU_MEMCTRL_CFG_MSB_COL_ADDR_M GENMASK(3, 0) + +#define ICPU_MEMCTRL_STAT 0x23C + +#define ICPU_MEMCTRL_STAT_RDATA_MASKED BIT(5) +#define ICPU_MEMCTRL_STAT_RDATA_DUMMY BIT(4) +#define ICPU_MEMCTRL_STAT_RDATA_ECC_ERR BIT(3) +#define ICPU_MEMCTRL_STAT_RDATA_ECC_COR BIT(2) +#define ICPU_MEMCTRL_STAT_PWR_DOWN_ACK BIT(1) +#define ICPU_MEMCTRL_STAT_INIT_DONE BIT(0) + +#define ICPU_MEMCTRL_REF_PERIOD 0x240 + +#define ICPU_MEMCTRL_REF_PERIOD_MAX_PEND_REF(x) (((x) << 16) & GENMASK(19, 16)) +#define ICPU_MEMCTRL_REF_PERIOD_MAX_PEND_REF_M GENMASK(19, 16) +#define ICPU_MEMCTRL_REF_PERIOD_MAX_PEND_REF_X(x) (((x) & GENMASK(19, 16)) >> 16) +#define ICPU_MEMCTRL_REF_PERIOD_REF_PERIOD(x) ((x) & GENMASK(15, 0)) +#define ICPU_MEMCTRL_REF_PERIOD_REF_PERIOD_M GENMASK(15, 0) + +#define ICPU_MEMCTRL_TIMING0 0x248 + +#define ICPU_MEMCTRL_TIMING0_RD_TO_WR_DLY(x) (((x) << 28) & GENMASK(31, 28)) +#define ICPU_MEMCTRL_TIMING0_RD_TO_WR_DLY_M GENMASK(31, 28) +#define ICPU_MEMCTRL_TIMING0_RD_TO_WR_DLY_X(x) (((x) & GENMASK(31, 28)) >> 28) +#define ICPU_MEMCTRL_TIMING0_WR_CS_CHANGE_DLY(x) (((x) << 24) & GENMASK(27, 24)) +#define ICPU_MEMCTRL_TIMING0_WR_CS_CHANGE_DLY_M GENMASK(27, 24) +#define ICPU_MEMCTRL_TIMING0_WR_CS_CHANGE_DLY_X(x) (((x) & GENMASK(27, 24)) >> 24) +#define ICPU_MEMCTRL_TIMING0_RD_CS_CHANGE_DLY(x) (((x) << 20) & GENMASK(23, 20)) +#define ICPU_MEMCTRL_TIMING0_RD_CS_CHANGE_DLY_M GENMASK(23, 20) +#define ICPU_MEMCTRL_TIMING0_RD_CS_CHANGE_DLY_X(x) (((x) & GENMASK(23, 20)) >> 20) +#define ICPU_MEMCTRL_TIMING0_RAS_TO_PRECH_DLY(x) (((x) << 16) & GENMASK(19, 16)) +#define ICPU_MEMCTRL_TIMING0_RAS_TO_PRECH_DLY_M GENMASK(19, 16) +#define ICPU_MEMCTRL_TIMING0_RAS_TO_PRECH_DLY_X(x) (((x) & GENMASK(19, 16)) >> 16) +#define ICPU_MEMCTRL_TIMING0_WR_TO_PRECH_DLY(x) (((x) << 12) & GENMASK(15, 12)) +#define ICPU_MEMCTRL_TIMING0_WR_TO_PRECH_DLY_M GENMASK(15, 12) +#define ICPU_MEMCTRL_TIMING0_WR_TO_PRECH_DLY_X(x) (((x) & GENMASK(15, 12)) >> 12) +#define ICPU_MEMCTRL_TIMING0_RD_TO_PRECH_DLY(x) (((x) << 8) & GENMASK(11, 8)) +#define ICPU_MEMCTRL_TIMING0_RD_TO_PRECH_DLY_M GENMASK(11, 8) +#define ICPU_MEMCTRL_TIMING0_RD_TO_PRECH_DLY_X(x) (((x) & GENMASK(11, 8)) >> 8) +#define ICPU_MEMCTRL_TIMING0_WR_DATA_XFR_DLY(x) (((x) << 4) & GENMASK(7, 4)) +#define ICPU_MEMCTRL_TIMING0_WR_DATA_XFR_DLY_M GENMASK(7, 4) +#define ICPU_MEMCTRL_TIMING0_WR_DATA_XFR_DLY_X(x) (((x) & GENMASK(7, 4)) >> 4) +#define ICPU_MEMCTRL_TIMING0_RD_DATA_XFR_DLY(x) ((x) & GENMASK(3, 0)) +#define ICPU_MEMCTRL_TIMING0_RD_DATA_XFR_DLY_M GENMASK(3, 0) + +#define ICPU_MEMCTRL_TIMING1 0x24c + +#define ICPU_MEMCTRL_TIMING1_RAS_TO_RAS_SAME_BANK_DLY(x) (((x) << 24) & GENMASK(31, 24)) +#define ICPU_MEMCTRL_TIMING1_RAS_TO_RAS_SAME_BANK_DLY_M GENMASK(31, 24) +#define ICPU_MEMCTRL_TIMING1_RAS_TO_RAS_SAME_BANK_DLY_X(x) (((x) & GENMASK(31, 24)) >> 24) +#define ICPU_MEMCTRL_TIMING1_BANK8_FAW_DLY(x) (((x) << 16) & GENMASK(23, 16)) +#define ICPU_MEMCTRL_TIMING1_BANK8_FAW_DLY_M GENMASK(23, 16) +#define ICPU_MEMCTRL_TIMING1_BANK8_FAW_DLY_X(x) (((x) & GENMASK(23, 16)) >> 16) +#define ICPU_MEMCTRL_TIMING1_PRECH_TO_RAS_DLY(x) (((x) << 12) & GENMASK(15, 12)) +#define ICPU_MEMCTRL_TIMING1_PRECH_TO_RAS_DLY_M GENMASK(15, 12) +#define ICPU_MEMCTRL_TIMING1_PRECH_TO_RAS_DLY_X(x) (((x) & GENMASK(15, 12)) >> 12) +#define ICPU_MEMCTRL_TIMING1_RAS_TO_RAS_DLY(x) (((x) << 8) & GENMASK(11, 8)) +#define ICPU_MEMCTRL_TIMING1_RAS_TO_RAS_DLY_M GENMASK(11, 8) +#define ICPU_MEMCTRL_TIMING1_RAS_TO_RAS_DLY_X(x) (((x) & GENMASK(11, 8)) >> 8) +#define ICPU_MEMCTRL_TIMING1_RAS_TO_CAS_DLY(x) (((x) << 4) & GENMASK(7, 4)) +#define ICPU_MEMCTRL_TIMING1_RAS_TO_CAS_DLY_M GENMASK(7, 4) +#define ICPU_MEMCTRL_TIMING1_RAS_TO_CAS_DLY_X(x) (((x) & GENMASK(7, 4)) >> 4) +#define ICPU_MEMCTRL_TIMING1_WR_TO_RD_DLY(x) ((x) & GENMASK(3, 0)) +#define ICPU_MEMCTRL_TIMING1_WR_TO_RD_DLY_M GENMASK(3, 0) + +#define ICPU_MEMCTRL_TIMING2 0x250 + +#define ICPU_MEMCTRL_TIMING2_PRECH_ALL_DLY(x) (((x) << 28) & GENMASK(31, 28)) +#define ICPU_MEMCTRL_TIMING2_PRECH_ALL_DLY_M GENMASK(31, 28) +#define ICPU_MEMCTRL_TIMING2_PRECH_ALL_DLY_X(x) (((x) & GENMASK(31, 28)) >> 28) +#define ICPU_MEMCTRL_TIMING2_MDSET_DLY(x) (((x) << 24) & GENMASK(27, 24)) +#define ICPU_MEMCTRL_TIMING2_MDSET_DLY_M GENMASK(27, 24) +#define ICPU_MEMCTRL_TIMING2_MDSET_DLY_X(x) (((x) & GENMASK(27, 24)) >> 24) +#define ICPU_MEMCTRL_TIMING2_REF_DLY(x) (((x) << 16) & GENMASK(23, 16)) +#define ICPU_MEMCTRL_TIMING2_REF_DLY_M GENMASK(23, 16) +#define ICPU_MEMCTRL_TIMING2_REF_DLY_X(x) (((x) & GENMASK(23, 16)) >> 16) +#define ICPU_MEMCTRL_TIMING2_FOUR_HUNDRED_NS_DLY(x) ((x) & GENMASK(15, 0)) +#define ICPU_MEMCTRL_TIMING2_FOUR_HUNDRED_NS_DLY_M GENMASK(15, 0) + +#define ICPU_MEMCTRL_TIMING3 0x254 + +#define ICPU_MEMCTRL_TIMING3_RMW_DLY(x) (((x) << 16) & GENMASK(19, 16)) +#define ICPU_MEMCTRL_TIMING3_RMW_DLY_M GENMASK(19, 16) +#define ICPU_MEMCTRL_TIMING3_RMW_DLY_X(x) (((x) & GENMASK(19, 16)) >> 16) +#define ICPU_MEMCTRL_TIMING3_ODT_RD_DLY(x) (((x) << 12) & GENMASK(15, 12)) +#define ICPU_MEMCTRL_TIMING3_ODT_RD_DLY_M GENMASK(15, 12) +#define ICPU_MEMCTRL_TIMING3_ODT_RD_DLY_X(x) (((x) & GENMASK(15, 12)) >> 12) +#define ICPU_MEMCTRL_TIMING3_ODT_WR_DLY(x) (((x) << 8) & GENMASK(11, 8)) +#define ICPU_MEMCTRL_TIMING3_ODT_WR_DLY_M GENMASK(11, 8) +#define ICPU_MEMCTRL_TIMING3_ODT_WR_DLY_X(x) (((x) & GENMASK(11, 8)) >> 8) +#define ICPU_MEMCTRL_TIMING3_LOCAL_ODT_RD_DLY(x) (((x) << 4) & GENMASK(7, 4)) +#define ICPU_MEMCTRL_TIMING3_LOCAL_ODT_RD_DLY_M GENMASK(7, 4) +#define ICPU_MEMCTRL_TIMING3_LOCAL_ODT_RD_DLY_X(x) (((x) & GENMASK(7, 4)) >> 4) +#define ICPU_MEMCTRL_TIMING3_WR_TO_RD_CS_CHANGE_DLY(x) ((x) & GENMASK(3, 0)) +#define ICPU_MEMCTRL_TIMING3_WR_TO_RD_CS_CHANGE_DLY_M GENMASK(3, 0) + +#define ICPU_MEMCTRL_MR0_VAL 0x258 + +#define ICPU_MEMCTRL_MR1_VAL 0x25c + +#define ICPU_MEMCTRL_MR2_VAL 0x260 + +#define ICPU_MEMCTRL_MR3_VAL 0x264 + +#define ICPU_MEMCTRL_TERMRES_CTRL 0x268 + +#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_RD_EXT BIT(11) +#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_RD_ENA(x) (((x) << 7) & GENMASK(10, 7)) +#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_RD_ENA_M GENMASK(10, 7) +#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_RD_ENA_X(x) (((x) & GENMASK(10, 7)) >> 7) +#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_WR_EXT BIT(6) +#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_WR_ENA(x) (((x) << 2) & GENMASK(5, 2)) +#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_WR_ENA_M GENMASK(5, 2) +#define ICPU_MEMCTRL_TERMRES_CTRL_ODT_WR_ENA_X(x) (((x) & GENMASK(5, 2)) >> 2) +#define ICPU_MEMCTRL_TERMRES_CTRL_LOCAL_ODT_RD_EXT BIT(1) +#define ICPU_MEMCTRL_TERMRES_CTRL_LOCAL_ODT_RD_ENA BIT(0) + +#define ICPU_MEMCTRL_DQS_DLY(x) (0x270) + +#define ICPU_MEMCTRL_DQS_DLY_TRAIN_DQ_ENA BIT(11) +#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY_TRM1(x) (((x) << 8) & GENMASK(10, 8)) +#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY_TRM1_M GENMASK(10, 8) +#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY_TRM1_X(x) (((x) & GENMASK(10, 8)) >> 8) +#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY_TRM0(x) (((x) << 5) & GENMASK(7, 5)) +#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY_TRM0_M GENMASK(7, 5) +#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY_TRM0_X(x) (((x) & GENMASK(7, 5)) >> 5) +#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY(x) ((x) & GENMASK(4, 0)) +#define ICPU_MEMCTRL_DQS_DLY_DQS_DLY_M GENMASK(4, 0) + +#define ICPU_MEMPHY_CFG 0x278 + +#define ICPU_MEMPHY_CFG_PHY_FLUSH_DIS BIT(10) +#define ICPU_MEMPHY_CFG_PHY_RD_ADJ_DIS BIT(9) +#define ICPU_MEMPHY_CFG_PHY_DQS_EXT BIT(8) +#define ICPU_MEMPHY_CFG_PHY_FIFO_RST BIT(7) +#define ICPU_MEMPHY_CFG_PHY_DLL_BL_RST BIT(6) +#define ICPU_MEMPHY_CFG_PHY_DLL_CL_RST BIT(5) +#define ICPU_MEMPHY_CFG_PHY_ODT_OE BIT(4) +#define ICPU_MEMPHY_CFG_PHY_CK_OE BIT(3) +#define ICPU_MEMPHY_CFG_PHY_CL_OE BIT(2) +#define ICPU_MEMPHY_CFG_PHY_SSTL_ENA BIT(1) +#define ICPU_MEMPHY_CFG_PHY_RST BIT(0) +#define ICPU_MEMPHY_DQ_DLY_TRM 0x180 +#define ICPU_MEMPHY_DQ_DLY_TRM_RSZ 0x4 + +#define ICPU_MEMPHY_ZCAL 0x294 + +#define ICPU_MEMPHY_ZCAL_ZCAL_CLK_SEL BIT(9) +#define ICPU_MEMPHY_ZCAL_ZCAL_PROG_ODT(x) (((x) << 5) & GENMASK(8, 5)) +#define ICPU_MEMPHY_ZCAL_ZCAL_PROG_ODT_M GENMASK(8, 5) +#define ICPU_MEMPHY_ZCAL_ZCAL_PROG_ODT_X(x) (((x) & GENMASK(8, 5)) >> 5) +#define ICPU_MEMPHY_ZCAL_ZCAL_PROG(x) (((x) << 1) & GENMASK(4, 1)) +#define ICPU_MEMPHY_ZCAL_ZCAL_PROG_M GENMASK(4, 1) +#define ICPU_MEMPHY_ZCAL_ZCAL_PROG_X(x) (((x) & GENMASK(4, 1)) >> 1) +#define ICPU_MEMPHY_ZCAL_ZCAL_ENA BIT(0) + +#endif diff --git a/arch/mips/mach-mscc/lowlevel_init.S b/arch/mips/mach-mscc/lowlevel_init.S index f8f14adf610..dfbe06766cd 100644 --- a/arch/mips/mach-mscc/lowlevel_init.S +++ b/arch/mips/mach-mscc/lowlevel_init.S @@ -8,6 +8,9 @@ .set noreorder .extern vcoreiii_tlb_init +#ifdef CONFIG_SOC_LUTON + .extern pll_init +#endif LEAF(lowlevel_init) /* @@ -18,6 +21,10 @@ LEAF(lowlevel_init) jal vcoreiii_tlb_init nop +#ifdef CONFIG_SOC_LUTON + jal pll_init + nop +#endif jr s0 nop END(lowlevel_init) diff --git a/arch/mips/mach-mscc/lowlevel_init_luton.S b/arch/mips/mach-mscc/lowlevel_init_luton.S new file mode 100644 index 00000000000..8a528fa83a1 --- /dev/null +++ b/arch/mips/mach-mscc/lowlevel_init_luton.S @@ -0,0 +1,62 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +#include +#include + +#define BASE_MACRO 0x600a0000 +#define REG_OFFSET(t, o) (t + (o*4)) +#define REG_MACRO(x) REG_OFFSET(BASE_MACRO, x) +#define BIT(nr) (1 << (nr)) + +#define MACRO_CTRL_PLL5G_STATUS_PLL5G_STATUS0 REG_MACRO(6) +#define MACRO_CTRL_PLL5G_STATUS_PLL5G_STATUS0_LOCK_STATUS BIT(0) +#define MACRO_CTRL_PLL5G_CFG_PLL5G_CFG2 REG_MACRO(2) +#define MACRO_CTRL_PLL5G_CFG_PLL5G_CFG0 REG_MACRO(0) +#define MACRO_CTRL_PLL5G_CFG_PLL5G_CFG0_CPU_CLK_DIV (0x3F << 6) +#define MACRO_CTRL_PLL5G_CFG_PLL5G_CFG0_CPU_CLK_DIV_ENC(x) (x << 6) + + .set noreorder +LEAF(pll_init) + /* Make sure PLL is locked */ + lw v0, MACRO_CTRL_PLL5G_STATUS_PLL5G_STATUS0 + andi v1, v0, MACRO_CTRL_PLL5G_STATUS_PLL5G_STATUS0_LOCK_STATUS + bne v1, zero, 1f + nop + + /* Black magic from frontend */ + li v1, 0x00610400 + sw v1, MACRO_CTRL_PLL5G_CFG_PLL5G_CFG2 + + li v1, 0x00610c00 + sw v1, MACRO_CTRL_PLL5G_CFG_PLL5G_CFG2 + + li v1, 0x00610800 + sw v1, MACRO_CTRL_PLL5G_CFG_PLL5G_CFG2 + + li v1, 0x00610000 + sw v1, MACRO_CTRL_PLL5G_CFG_PLL5G_CFG2 + + /* Wait for lock */ +2: lw v0, MACRO_CTRL_PLL5G_STATUS_PLL5G_STATUS0 + andi v1, v0, MACRO_CTRL_PLL5G_STATUS_PLL5G_STATUS0_LOCK_STATUS + /* Keep looping if zero (no lock bit yet) */ + beq v1, zero, 2b + nop + + /* Setup PLL CPU clock divider for 416MHz */ +1: lw v0, MACRO_CTRL_PLL5G_CFG_PLL5G_CFG0 + + /* Keep reserved bits */ + li v1, ~MACRO_CTRL_PLL5G_CFG_PLL5G_CFG0_CPU_CLK_DIV + and v0, v0, v1 + + /* Set code 6 ~ 416.66 MHz */ + ori v0, v0, MACRO_CTRL_PLL5G_CFG_PLL5G_CFG0_CPU_CLK_DIV_ENC(6) + + sw v0, MACRO_CTRL_PLL5G_CFG_PLL5G_CFG0 + jr ra + nop + END(pll_init) From 6787c1ece07f771629ea5b463a362f9b4c40d2c0 Mon Sep 17 00:00:00 2001 From: Gregory CLEMENT Date: Fri, 14 Dec 2018 16:16:49 +0100 Subject: [PATCH 41/47] MSCC: add board support for the Ocelots based evaluation boards Adding the support for 2 boards sharing common code for Ocelot chip: PCB120 and PCB123 Signed-off-by: Gregory CLEMENT --- MAINTAINERS | 5 + arch/mips/dts/mscc,ocelot.dtsi | 152 +++++++++++++++++++++++++++ arch/mips/dts/mscc,ocelot_pcb.dtsi | 42 ++++++++ arch/mips/dts/ocelot_pcb120.dts | 12 +++ arch/mips/dts/ocelot_pcb123.dts | 12 +++ arch/mips/mach-mscc/Kconfig | 2 + board/mscc/ocelot/Kconfig | 14 +++ board/mscc/ocelot/Makefile | 4 + board/mscc/ocelot/ocelot.c | 58 ++++++++++ configs/mscc_ocelot_defconfig | 67 ++++++++++++ configs/mscc_ocelot_pcb120_defconfig | 60 +++++++++++ include/configs/vcoreiii.h | 82 +++++++++++++++ 12 files changed, 510 insertions(+) create mode 100644 arch/mips/dts/mscc,ocelot.dtsi create mode 100644 arch/mips/dts/mscc,ocelot_pcb.dtsi create mode 100644 arch/mips/dts/ocelot_pcb120.dts create mode 100644 arch/mips/dts/ocelot_pcb123.dts create mode 100644 board/mscc/ocelot/Kconfig create mode 100644 board/mscc/ocelot/Makefile create mode 100644 board/mscc/ocelot/ocelot.c create mode 100644 configs/mscc_ocelot_defconfig create mode 100644 configs/mscc_ocelot_pcb120_defconfig create mode 100644 include/configs/vcoreiii.h diff --git a/MAINTAINERS b/MAINTAINERS index 9841d0db3ed..d9de9153aa5 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -518,6 +518,11 @@ M: Lars Povlsen M: Horatiu Vultur S: Maintained F: arch/mips/mach-mscc/ +F: arch/mips/dts/mscc* +F: arch/mips/dts/ocelot* +F: board/mscc/ +F: configs/mscc* +F: include/configs/vcoreiii.h MMC M: Jaehoon Chung diff --git a/arch/mips/dts/mscc,ocelot.dtsi b/arch/mips/dts/mscc,ocelot.dtsi new file mode 100644 index 00000000000..87b47362855 --- /dev/null +++ b/arch/mips/dts/mscc,ocelot.dtsi @@ -0,0 +1,152 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +/ { + #address-cells = <1>; + #size-cells = <1>; + compatible = "mscc,ocelot"; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + compatible = "mips,mips24KEc"; + device_type = "cpu"; + clocks = <&cpu_clk>; + reg = <0>; + }; + }; + + aliases { + serial0 = &uart0; + }; + + cpuintc: interrupt-controller@0 { + #address-cells = <0>; + #interrupt-cells = <1>; + interrupt-controller; + compatible = "mti,cpu-interrupt-controller"; + }; + + cpu_clk: cpu-clock { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <500000000>; + }; + + ahb_clk: ahb-clk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <250000000>; + }; + + ahb { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x70000000 0x2000000>; + + interrupt-parent = <&intc>; + + cpu_ctrl: syscon@0 { + compatible = "mscc,ocelot-cpu-syscon", "syscon"; + reg = <0x0 0x2c>; + }; + + intc: interrupt-controller@70 { + compatible = "mscc,ocelot-icpu-intr"; + reg = <0x70 0x70>; + #interrupt-cells = <1>; + interrupt-controller; + interrupt-parent = <&cpuintc>; + interrupts = <2>; + }; + + uart0: serial@100000 { + pinctrl-0 = <&uart_pins>; + pinctrl-names = "default"; + compatible = "ns16550a"; + reg = <0x100000 0x20>; + interrupts = <6>; + clocks = <&ahb_clk>; + reg-io-width = <4>; + reg-shift = <2>; + + status = "disabled"; + }; + + uart2: serial@100800 { + pinctrl-0 = <&uart2_pins>; + pinctrl-names = "default"; + compatible = "ns16550a"; + reg = <0x100800 0x20>; + interrupts = <7>; + clocks = <&ahb_clk>; + reg-io-width = <4>; + reg-shift = <2>; + + status = "disabled"; + }; + + spi0: spi-master@101000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "snps,dw-apb-ssi"; + reg = <0x101000 0x40>; + num-chipselect = <4>; + bus-num = <0>; + reg-io-width = <4>; + reg-shift = <2>; + spi-max-frequency = <18000000>; /* input clock */ + clocks = <&ahb_clk>; + + status = "disabled"; + }; + + reset@1070008 { + compatible = "mscc,ocelot-chip-reset"; + reg = <0x1070008 0x4>; + }; + + gpio: pinctrl@1070034 { + compatible = "mscc,ocelot-pinctrl"; + reg = <0x1070034 0x68>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&gpio 0 0 22>; + + uart_pins: uart-pins { + pins = "GPIO_6", "GPIO_7"; + function = "uart"; + }; + + uart2_pins: uart2-pins { + pins = "GPIO_12", "GPIO_13"; + function = "uart2"; + }; + + spi_cs1_pin: spi-cs1-pin { + pins = "GPIO_8"; + function = "si"; + }; + + spi_cs2_pin: spi-cs2-pin { + pins = "GPIO_9"; + function = "si"; + }; + + spi_cs3_pin: spi-cs3-pin { + pins = "GPIO_16"; + function = "si"; + }; + + spi_cs4_pin: spi-cs4-pin { + pins = "GPIO_17"; + function = "si"; + }; + }; + }; +}; diff --git a/arch/mips/dts/mscc,ocelot_pcb.dtsi b/arch/mips/dts/mscc,ocelot_pcb.dtsi new file mode 100644 index 00000000000..90725d3b941 --- /dev/null +++ b/arch/mips/dts/mscc,ocelot_pcb.dtsi @@ -0,0 +1,42 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +/dts-v1/; +#include "mscc,ocelot.dtsi" + +/ { + compatible = "mscc,ocelot"; + + aliases { + spi0 = &spi0; + serial0 = &uart0; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; +}; + +&uart0 { + status = "okay"; +}; + +&spi0 { + status = "okay"; + pinctrl-0 = <&spi_cs1_pin>; + pinctrl-names = "default"; + + spi-flash@0 { + compatible = "spi-flash"; + spi-max-frequency = <18000000>; /* input clock */ + reg = <0>; /* CS0 */ + }; + + spi-nand@1 { + compatible = "spi-nand"; + spi-max-frequency = <18000000>; /* input clock */ + reg = <1>; /* CS1 */ + }; +}; diff --git a/arch/mips/dts/ocelot_pcb120.dts b/arch/mips/dts/ocelot_pcb120.dts new file mode 100644 index 00000000000..47d305a6141 --- /dev/null +++ b/arch/mips/dts/ocelot_pcb120.dts @@ -0,0 +1,12 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +/dts-v1/; +#include "mscc,ocelot_pcb.dtsi" + +/ { + model = "Ocelot PCB120 Reference Board"; + compatible = "mscc,ocelot-pcb120", "mscc,ocelot"; +}; diff --git a/arch/mips/dts/ocelot_pcb123.dts b/arch/mips/dts/ocelot_pcb123.dts new file mode 100644 index 00000000000..17d8d326cea --- /dev/null +++ b/arch/mips/dts/ocelot_pcb123.dts @@ -0,0 +1,12 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +/dts-v1/; +#include "mscc,ocelot_pcb.dtsi" + +/ { + model = "Ocelot PCB123 Reference Board"; + compatible = "mscc,ocelot-pcb123", "mscc,ocelot"; +}; diff --git a/arch/mips/mach-mscc/Kconfig b/arch/mips/mach-mscc/Kconfig index a8cace0e796..fc806fc1f35 100644 --- a/arch/mips/mach-mscc/Kconfig +++ b/arch/mips/mach-mscc/Kconfig @@ -79,4 +79,6 @@ config DDRTYPE_MT47H128M8HQ endchoice +source "board/mscc/ocelot/Kconfig" + endmenu diff --git a/board/mscc/ocelot/Kconfig b/board/mscc/ocelot/Kconfig new file mode 100644 index 00000000000..9ddc0880b1a --- /dev/null +++ b/board/mscc/ocelot/Kconfig @@ -0,0 +1,14 @@ +# SPDX-License-Identifier: (GPL-2.0+ OR MIT) + +config SYS_VENDOR + default "mscc" + +if SOC_OCELOT + +config SYS_BOARD + default "ocelot" + +config SYS_CONFIG_NAME + default "ocelot" + +endif diff --git a/board/mscc/ocelot/Makefile b/board/mscc/ocelot/Makefile new file mode 100644 index 00000000000..9f28c812687 --- /dev/null +++ b/board/mscc/ocelot/Makefile @@ -0,0 +1,4 @@ +# SPDX-License-Identifier: (GPL-2.0+ OR MIT) + +obj-$(CONFIG_SOC_OCELOT) := ocelot.o + diff --git a/board/mscc/ocelot/ocelot.c b/board/mscc/ocelot/ocelot.c new file mode 100644 index 00000000000..d521a619576 --- /dev/null +++ b/board/mscc/ocelot/ocelot.c @@ -0,0 +1,58 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +#include +#include +#include +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +#define MSCC_GPIO_ALT0 0x54 +#define MSCC_GPIO_ALT1 0x58 + +void external_cs_manage(struct udevice *dev, bool enable) +{ + u32 cs = spi_chip_select(dev); + /* IF_SI0_OWNER, select the owner of the SI interface + * Encoding: 0: SI Slave + * 1: SI Boot Master + * 2: SI Master Controller + */ + if (!enable) { + writel(ICPU_SW_MODE_SW_PIN_CTRL_MODE | + ICPU_SW_MODE_SW_SPI_CS(BIT(cs)), BASE_CFG + ICPU_SW_MODE); + clrsetbits_le32(BASE_CFG + ICPU_GENERAL_CTRL, + ICPU_GENERAL_CTRL_IF_SI_OWNER_M, + ICPU_GENERAL_CTRL_IF_SI_OWNER(2)); + } else { + writel(0, BASE_CFG + ICPU_SW_MODE); + clrsetbits_le32(BASE_CFG + ICPU_GENERAL_CTRL, + ICPU_GENERAL_CTRL_IF_SI_OWNER_M, + ICPU_GENERAL_CTRL_IF_SI_OWNER(1)); + } +} + +void board_debug_uart_init(void) +{ + /* too early for the pinctrl driver, so configure the UART pins here */ + setbits_le32(BASE_DEVCPU_GCB + MSCC_GPIO_ALT0, BIT(6) | BIT(7)); + clrbits_le32(BASE_DEVCPU_GCB + MSCC_GPIO_ALT1, BIT(6) | BIT(7)); +} + +int board_early_init_r(void) +{ + /* Prepare SPI controller to be used in master mode */ + writel(0, BASE_CFG + ICPU_SW_MODE); + clrsetbits_le32(BASE_CFG + ICPU_GENERAL_CTRL, + ICPU_GENERAL_CTRL_IF_SI_OWNER_M, + ICPU_GENERAL_CTRL_IF_SI_OWNER(2)); + + /* Address of boot parameters */ + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE; + return 0; +} diff --git a/configs/mscc_ocelot_defconfig b/configs/mscc_ocelot_defconfig new file mode 100644 index 00000000000..5fa74db2ff5 --- /dev/null +++ b/configs/mscc_ocelot_defconfig @@ -0,0 +1,67 @@ +CONFIG_MIPS=y +CONFIG_SYS_TEXT_BASE=0x40000000 +CONFIG_SYS_MALLOC_F_LEN=0x2000 +CONFIG_DEBUG_UART_BOARD_INIT=y +CONFIG_DEBUG_UART_BASE=0x70100000 +CONFIG_DEBUG_UART_CLOCK=250000000 +CONFIG_ARCH_MSCC=y +CONFIG_TARGET_OCELOT_PCB123=y +CONFIG_SYS_LITTLE_ENDIAN=y +CONFIG_DEBUG_UART=y +CONFIG_FIT=y +CONFIG_BOOTDELAY=3 +CONFIG_USE_BOOTARGS=y +CONFIG_BOOTARGS="console=ttyS0,115200" +CONFIG_LOGLEVEL=7 +CONFIG_DISPLAY_CPUINFO=y +CONFIG_SYS_PROMPT="pcb123 # " +# CONFIG_CMD_BDI is not set +# CONFIG_CMD_CONSOLE is not set +# CONFIG_CMD_ELF is not set +# CONFIG_CMD_EXPORTENV is not set +# CONFIG_CMD_IMPORTENV is not set +# CONFIG_CMD_CRC32 is not set +CONFIG_CMD_MD5SUM=y +CONFIG_CMD_MEMINFO=y +CONFIG_CMD_MEMTEST=y +# CONFIG_CMD_FLASH is not set +CONFIG_CMD_GPIO=y +CONFIG_CMD_MTD=y +CONFIG_CMD_SF=y +CONFIG_CMD_SPI=y +CONFIG_CMD_DHCP=y +# CONFIG_NET_TFTP_VARS is not set +# CONFIG_CMD_NFS is not set +CONFIG_CMD_PING=y +CONFIG_CMD_MTDPARTS=y +CONFIG_MTDIDS_DEFAULT="nor0=spi_flash" +CONFIG_MTDPARTS_DEFAULT="mtdparts=spi_flash:512k(UBoot),256k(Env),256k(conf),15m(linux),15m(linux.bk)" +CONFIG_CMD_UBI=y +# CONFIG_CMD_UBIFS is not set +# CONFIG_ISO_PARTITION is not set +CONFIG_DEFAULT_DEVICE_TREE="ocelot_pcb123" +CONFIG_ENV_IS_IN_SPI_FLASH=y +CONFIG_NET_RANDOM_ETHADDR=y +CONFIG_CLK=y +CONFIG_DM_GPIO=y +CONFIG_MTD=y +CONFIG_MTD_SPI_NAND=y +CONFIG_DM_SPI_FLASH=y +CONFIG_SPI_FLASH=y +CONFIG_SPI_FLASH_BAR=y +CONFIG_SPI_FLASH_GIGADEVICE=y +CONFIG_SPI_FLASH_MACRONIX=y +CONFIG_SPI_FLASH_SPANSION=y +CONFIG_SPI_FLASH_WINBOND=y +CONFIG_SPI_FLASH_MTD=y +CONFIG_DM_ETH=y +CONFIG_PINCTRL=y +CONFIG_PINCONF=y +CONFIG_DM_SERIAL=y +CONFIG_DEBUG_UART_SHIFT=2 +CONFIG_DEBUG_UART_ANNOUNCE=y +CONFIG_SYS_NS16550=y +CONFIG_SPI=y +CONFIG_DM_SPI=y +CONFIG_DESIGNWARE_SPI=y +CONFIG_LZMA=y diff --git a/configs/mscc_ocelot_pcb120_defconfig b/configs/mscc_ocelot_pcb120_defconfig new file mode 100644 index 00000000000..c5a9f969770 --- /dev/null +++ b/configs/mscc_ocelot_pcb120_defconfig @@ -0,0 +1,60 @@ +CONFIG_MIPS=y +CONFIG_SYS_TEXT_BASE=0x40000000 +CONFIG_SYS_MALLOC_F_LEN=0x2000 +CONFIG_ARCH_MSCC=y +CONFIG_SYS_LITTLE_ENDIAN=y +CONFIG_FIT=y +CONFIG_BOOTDELAY=3 +CONFIG_USE_BOOTARGS=y +CONFIG_BOOTARGS="console=ttyS0,115200" +CONFIG_LOGLEVEL=7 +CONFIG_DISPLAY_CPUINFO=y +CONFIG_SYS_PROMPT="pcb120 # " +# CONFIG_CMD_BDI is not set +# CONFIG_CMD_CONSOLE is not set +# CONFIG_CMD_ELF is not set +# CONFIG_CMD_EXPORTENV is not set +# CONFIG_CMD_IMPORTENV is not set +# CONFIG_CMD_CRC32 is not set +CONFIG_CMD_MD5SUM=y +CONFIG_CMD_MEMINFO=y +CONFIG_CMD_MEMTEST=y +# CONFIG_CMD_FLASH is not set +CONFIG_CMD_GPIO=y +CONFIG_CMD_MTD=y +CONFIG_CMD_SF=y +CONFIG_CMD_SPI=y +CONFIG_CMD_DHCP=y +# CONFIG_NET_TFTP_VARS is not set +# CONFIG_CMD_NFS is not set +CONFIG_CMD_PING=y +CONFIG_CMD_MTDPARTS=y +CONFIG_MTDIDS_DEFAULT="nor0=spi_flash" +CONFIG_MTDPARTS_DEFAULT="mtdparts=spi_flash:512k(UBoot),256k(Env),256k(conf),15m(linux),15m(linux.bk)" +CONFIG_CMD_UBI=y +# CONFIG_CMD_UBIFS is not set +# CONFIG_ISO_PARTITION is not set +CONFIG_DEFAULT_DEVICE_TREE="ocelot_pcb120" +CONFIG_ENV_IS_IN_SPI_FLASH=y +CONFIG_NET_RANDOM_ETHADDR=y +CONFIG_CLK=y +CONFIG_DM_GPIO=y +CONFIG_MTD=y +CONFIG_MTD_SPI_NAND=y +CONFIG_DM_SPI_FLASH=y +CONFIG_SPI_FLASH=y +CONFIG_SPI_FLASH_BAR=y +CONFIG_SPI_FLASH_GIGADEVICE=y +CONFIG_SPI_FLASH_MACRONIX=y +CONFIG_SPI_FLASH_SPANSION=y +CONFIG_SPI_FLASH_WINBOND=y +CONFIG_SPI_FLASH_MTD=y +CONFIG_DM_ETH=y +CONFIG_PINCTRL=y +CONFIG_PINCONF=y +CONFIG_DM_SERIAL=y +CONFIG_SYS_NS16550=y +CONFIG_SPI=y +CONFIG_DM_SPI=y +CONFIG_DESIGNWARE_SPI=y +CONFIG_LZMA=y diff --git a/include/configs/vcoreiii.h b/include/configs/vcoreiii.h new file mode 100644 index 00000000000..df89cdaebf1 --- /dev/null +++ b/include/configs/vcoreiii.h @@ -0,0 +1,82 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +#ifndef __VCOREIII_H +#define __VCOREIII_H + +#include + +/* Onboard devices */ + +#define CONFIG_SYS_MALLOC_LEN 0x100000 +#define CONFIG_SYS_LOAD_ADDR 0x00100000 +#define CONFIG_SYS_INIT_SP_OFFSET 0x400000 + +#define CPU_CLOCK_RATE 500000000 /* Clock for the MIPS core */ +#ifdef CONFIG_SOC_LUTON +#define CONFIG_SYS_MIPS_TIMER_FREQ 208333333 +#else +#define CONFIG_SYS_MIPS_TIMER_FREQ (CPU_CLOCK_RATE / 2) +#endif +#define CONFIG_SYS_NS16550_CLK CONFIG_SYS_MIPS_TIMER_FREQ + +#if defined(CONFIG_ENV_IS_IN_SPI_FLASH) && !defined(CONFIG_ENV_OFFSET) +#define CONFIG_ENV_OFFSET (1024 * 1024) +#define CONFIG_ENV_SIZE (256 * 1024) +#define CONFIG_ENV_SECT_SIZE (256 * 1024) + +#define CONFIG_SYS_REDUNDAND_ENVIRONMENT +#define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE +#define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SECT_SIZE) + +#define CONFIG_ENV_SPI_MAX_HZ 0 /* This force to read from DT */ +#define CONFIG_ENV_SPI_MODE 0 /* This force to read from DT */ +#endif + +#define CONFIG_SYS_SDRAM_BASE 0x80000000 +#if defined(CONFIG_DDRTYPE_H5TQ1G63BFA) || defined(CONFIG_DDRTYPE_MT47H128M8HQ) +#define CONFIG_SYS_SDRAM_SIZE (128 * SZ_1M) +#elif defined(CONFIG_DDRTYPE_MT41J128M16HA) || defined(CONFIG_DDRTYPE_MT41K128M16JT) +#define CONFIG_SYS_SDRAM_SIZE (256 * SZ_1M) +#elif defined(CONFIG_DDRTYPE_H5TQ4G63MFR) || defined(CONFIG_DDRTYPE_MT41K256M16) +#define CONFIG_SYS_SDRAM_SIZE (512 * SZ_1M) +#else +#error Unknown DDR size - please add! +#endif + +#define CONFIG_CONS_INDEX 1 + +#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE +#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_SDRAM_SIZE - SZ_1M) + +#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE + +#define CONFIG_BOARD_EARLY_INIT_R +#if defined(CONFIG_MTDIDS_DEFAULT) && defined(CONFIG_MTDPARTS_DEFAULT) +#define VCOREIII_DEFAULT_MTD_ENV \ + "mtdparts="CONFIG_MTDPARTS_DEFAULT"\0" \ + "mtdids="CONFIG_MTDIDS_DEFAULT"\0" +#else +#define VCOREIII_DEFAULT_MTD_ENV /* Go away */ +#endif + +#define CONFIG_SYS_BOOTM_LEN (16 << 20) /* Increase max gunzip size */ + +#define CONFIG_EXTRA_ENV_SETTINGS \ + VCOREIII_DEFAULT_MTD_ENV \ + "loadaddr=0x81000000\0" \ + "spi_image_off=0x00100000\0" \ + "console=ttyS0,115200\0" \ + "setup=setenv bootargs console=${console} ${mtdparts}" \ + "${bootargs_extra}\0" \ + "spiboot=run setup; sf probe; sf read ${loadaddr}" \ + "${spi_image_off} 0x600000; bootm ${loadaddr}\0" \ + "ubootfile=u-boot.bin\0" \ + "update=sf probe;mtdparts;dhcp ${loadaddr} ${ubootfile};" \ + "sf erase UBoot 0x100000;" \ + "sf write ${loadaddr} UBoot ${filesize}\0" \ + "bootcmd=run spiboot\0" \ + "" +#endif /* __VCOREIII_H */ From f8c8cedd7ad377cb2a00d35d94dec0dd260117cc Mon Sep 17 00:00:00 2001 From: Gregory CLEMENT Date: Fri, 14 Dec 2018 16:16:50 +0100 Subject: [PATCH 42/47] MSCC: add board support for the Luton based evaluation board Adding the support for the Luton boards PCB91 which share common code with the Ocelots boards, including board code, device tree and configuration. Signed-off-by: Gregory CLEMENT --- MAINTAINERS | 1 + arch/mips/dts/luton_pcb091.dts | 36 ++++++++++++++ arch/mips/dts/mscc,luton.dtsi | 87 ++++++++++++++++++++++++++++++++++ arch/mips/mach-mscc/Kconfig | 2 + board/mscc/luton/Kconfig | 14 ++++++ board/mscc/luton/Makefile | 3 ++ board/mscc/luton/luton.c | 28 +++++++++++ configs/mscc_luton_defconfig | 64 +++++++++++++++++++++++++ 8 files changed, 235 insertions(+) create mode 100644 arch/mips/dts/luton_pcb091.dts create mode 100644 arch/mips/dts/mscc,luton.dtsi create mode 100644 board/mscc/luton/Kconfig create mode 100644 board/mscc/luton/Makefile create mode 100644 board/mscc/luton/luton.c create mode 100644 configs/mscc_luton_defconfig diff --git a/MAINTAINERS b/MAINTAINERS index d9de9153aa5..bb0a107db5b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -518,6 +518,7 @@ M: Lars Povlsen M: Horatiu Vultur S: Maintained F: arch/mips/mach-mscc/ +F: arch/mips/dts/luton* F: arch/mips/dts/mscc* F: arch/mips/dts/ocelot* F: board/mscc/ diff --git a/arch/mips/dts/luton_pcb091.dts b/arch/mips/dts/luton_pcb091.dts new file mode 100644 index 00000000000..74f9274c218 --- /dev/null +++ b/arch/mips/dts/luton_pcb091.dts @@ -0,0 +1,36 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +/dts-v1/; +#include "mscc,luton.dtsi" + +/ { + model = "Luton10 PCB091 Reference Board"; + compatible = "mscc,luton-pcb091", "mscc,luton"; + + aliases { + serial0 = &uart0; + spi0 = &spi0; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; +}; + +&uart0 { + status = "okay"; +}; + +&spi0 { + status = "okay"; + spi-flash@0 { + compatible = "spi-flash"; + spi-max-frequency = <18000000>; /* input clock */ + reg = <0>; /* CS0 */ + spi-cs-high; + }; +}; + diff --git a/arch/mips/dts/mscc,luton.dtsi b/arch/mips/dts/mscc,luton.dtsi new file mode 100644 index 00000000000..6a4ad2a5be0 --- /dev/null +++ b/arch/mips/dts/mscc,luton.dtsi @@ -0,0 +1,87 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +#include + +/ { + #address-cells = <1>; + #size-cells = <1>; + compatible = "mscc,luton"; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + compatible = "mips,mips24KEc"; + device_type = "cpu"; + reg = <0>; + }; + }; + + aliases { + serial0 = &uart0; + }; + + ahb_clk: ahb-clk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <208333333>; + }; + + ahb { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x60000000 0x10200000>; + + uart0: serial@10100000 { + pinctrl-0 = <&uart_pins>; + pinctrl-names = "default"; + + compatible = "ns16550a"; + reg = <0x10100000 0x20>; + clocks = <&ahb_clk>; + reg-io-width = <4>; + reg-shift = <2>; + + status = "disabled"; + }; + + gpio: pinctrl@70068 { + compatible = "mscc,luton-pinctrl"; + reg = <0x70068 0x68>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&gpio 0 0 32>; + + uart_pins: uart-pins { + pins = "GPIO_30", "GPIO_31"; + function = "uart"; + }; + + }; + + gpio_spi_bitbang: gpio@10000064 { + compatible = "mscc,spi-bitbang-gpio"; + reg = <0x10000064 0x4>; + gpio-controller; + #gpio-cells = <2>; + + }; + + spi0: spi-bitbang { + compatible = "spi-gpio"; + status = "okay"; + gpio-sck = <&gpio_spi_bitbang 6 0>; + gpio-miso = <&gpio_spi_bitbang 0 0>; + gpio-mosi = <&gpio_spi_bitbang 5 0>; + cs-gpios = <&gpio_spi_bitbang 1 0>; + num-chipselects = <1>; + #address-cells = <1>; + #size-cells = <0>; + }; + }; +}; diff --git a/arch/mips/mach-mscc/Kconfig b/arch/mips/mach-mscc/Kconfig index fc806fc1f35..0e35b77c9db 100644 --- a/arch/mips/mach-mscc/Kconfig +++ b/arch/mips/mach-mscc/Kconfig @@ -81,4 +81,6 @@ endchoice source "board/mscc/ocelot/Kconfig" +source "board/mscc/luton/Kconfig" + endmenu diff --git a/board/mscc/luton/Kconfig b/board/mscc/luton/Kconfig new file mode 100644 index 00000000000..e1199808d5b --- /dev/null +++ b/board/mscc/luton/Kconfig @@ -0,0 +1,14 @@ +# SPDX-License-Identifier: (GPL-2.0+ OR MIT) + +if SOC_LUTON + +config SYS_VENDOR + default "mscc" + +config SYS_BOARD + default "luton" + +config SYS_CONFIG_NAME + default "luton" + +endif diff --git a/board/mscc/luton/Makefile b/board/mscc/luton/Makefile new file mode 100644 index 00000000000..b27f7c7739a --- /dev/null +++ b/board/mscc/luton/Makefile @@ -0,0 +1,3 @@ +# SPDX-License-Identifier: (GPL-2.0+ OR MIT) + +obj-$(CONFIG_SOC_LUTON) := luton.o diff --git a/board/mscc/luton/luton.c b/board/mscc/luton/luton.c new file mode 100644 index 00000000000..41fc6d56a7d --- /dev/null +++ b/board/mscc/luton/luton.c @@ -0,0 +1,28 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +#include +#include + +#define MSCC_GPIO_ALT0 0x88 +#define MSCC_GPIO_ALT1 0x8C + +DECLARE_GLOBAL_DATA_PTR; + +void board_debug_uart_init(void) +{ + /* too early for the pinctrl driver, so configure the UART pins here */ + setbits_le32(BASE_DEVCPU_GCB + MSCC_GPIO_ALT0, BIT(30) | BIT(31)); +} + +int board_early_init_r(void) +{ + /* Prepare SPI controller to be used in master mode */ + writel(0, BASE_CFG + ICPU_SW_MODE); + + /* Address of boot parameters */ + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE; + return 0; +} diff --git a/configs/mscc_luton_defconfig b/configs/mscc_luton_defconfig new file mode 100644 index 00000000000..d7476c48633 --- /dev/null +++ b/configs/mscc_luton_defconfig @@ -0,0 +1,64 @@ +CONFIG_MIPS=y +CONFIG_SYS_TEXT_BASE=0x40000000 +CONFIG_SYS_MALLOC_F_LEN=0x2000 +CONFIG_DEBUG_UART_BOARD_INIT=y +CONFIG_DEBUG_UART_BASE=0x70100000 +CONFIG_DEBUG_UART_CLOCK=208333333 +CONFIG_ARCH_MSCC=y +CONFIG_TARGET_LUTON_PCB091=y +CONFIG_DDRTYPE_MT47H128M8HQ=y +CONFIG_SYS_LITTLE_ENDIAN=y +CONFIG_MIPS_BOOT_FDT=y +CONFIG_DEBUG_UART=y +CONFIG_FIT=y +CONFIG_BOOTDELAY=3 +CONFIG_USE_BOOTARGS=y +CONFIG_BOOTARGS="console=ttyS0,115200" +CONFIG_LOGLEVEL=7 +CONFIG_DISPLAY_CPUINFO=y +CONFIG_SYS_PROMPT="pcb091 # " +# CONFIG_CMD_BDI is not set +# CONFIG_CMD_CONSOLE is not set +# CONFIG_CMD_ELF is not set +# CONFIG_CMD_EXPORTENV is not set +# CONFIG_CMD_IMPORTENV is not set +# CONFIG_CMD_CRC32 is not set +CONFIG_CMD_MD5SUM=y +CONFIG_CMD_MEMINFO=y +CONFIG_CMD_MEMTEST=y +# CONFIG_CMD_FLASH is not set +CONFIG_CMD_GPIO=y +CONFIG_CMD_SF=y +CONFIG_CMD_SPI=y +CONFIG_CMD_DHCP=y +# CONFIG_NET_TFTP_VARS is not set +# CONFIG_CMD_NFS is not set +CONFIG_CMD_PING=y +CONFIG_CMD_MTDPARTS=y +CONFIG_MTDIDS_DEFAULT="nor0=spi_flash" +CONFIG_MTDPARTS_DEFAULT="mtdparts=spi_flash:512k(UBoot),256k(Env),256k(conf),6m@1m(linux)" +# CONFIG_ISO_PARTITION is not set +CONFIG_DEFAULT_DEVICE_TREE="luton_pcb091" +CONFIG_ENV_IS_IN_SPI_FLASH=y +CONFIG_NET_RANDOM_ETHADDR=y +CONFIG_CLK=y +CONFIG_DM_GPIO=y +CONFIG_DM_SPI_FLASH=y +CONFIG_SPI_FLASH=y +CONFIG_SPI_FLASH_BAR=y +CONFIG_SPI_FLASH_GIGADEVICE=y +CONFIG_SPI_FLASH_MACRONIX=y +CONFIG_SPI_FLASH_SPANSION=y +CONFIG_SPI_FLASH_STMICRO=y +CONFIG_SPI_FLASH_WINBOND=y +CONFIG_SPI_FLASH_MTD=y +CONFIG_DM_ETH=y +CONFIG_PINCTRL=y +CONFIG_PINCONF=y +CONFIG_DM_SERIAL=y +CONFIG_DEBUG_UART_SHIFT=2 +CONFIG_SYS_NS16550=y +CONFIG_SPI=y +CONFIG_DM_SPI=y +CONFIG_SOFT_SPI=y +CONFIG_LZMA=y From b5392c50bd6d891d02d228009f27b3b48de1d289 Mon Sep 17 00:00:00 2001 From: Paul Burton Date: Sun, 16 Dec 2018 19:25:19 -0300 Subject: [PATCH 43/47] misc: Add JZ47xx efuse driver Add driver for the efuse block in the JZ47xx SOC. Cc: Daniel Schwierzeck Signed-off-by: Paul Burton Signed-off-by: Marek Vasut Signed-off-by: Ezequiel Garcia Reviewed-by: Marek Vasut --- drivers/misc/Kconfig | 6 +++ drivers/misc/Makefile | 1 + drivers/misc/jz4780_efuse.c | 103 ++++++++++++++++++++++++++++++++++++ 3 files changed, 110 insertions(+) create mode 100644 drivers/misc/jz4780_efuse.c diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index 48febc47d26..704c8dd1955 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -120,6 +120,12 @@ config FSL_SEC_MON Security Monitor can be transitioned on any security failures, like software violations or hardware security violations. +config JZ4780_EFUSE + bool "Ingenic JZ4780 eFUSE support" + depends on ARCH_JZ47XX + help + This selects support for the eFUSE on Ingenic JZ4780 SoCs. + config MXC_OCOTP bool "Enable MXC OCOTP Driver" help diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile index 302d4415927..6bdf5054f47 100644 --- a/drivers/misc/Makefile +++ b/drivers/misc/Makefile @@ -62,3 +62,4 @@ obj-$(CONFIG_TEGRA_CAR) += tegra_car.o obj-$(CONFIG_TWL4030_LED) += twl4030_led.o obj-$(CONFIG_VEXPRESS_CONFIG) += vexpress_config.o obj-$(CONFIG_WINBOND_W83627) += winbond_w83627.o +obj-$(CONFIG_JZ4780_EFUSE) += jz4780_efuse.o diff --git a/drivers/misc/jz4780_efuse.c b/drivers/misc/jz4780_efuse.c new file mode 100644 index 00000000000..bc3dc93af2d --- /dev/null +++ b/drivers/misc/jz4780_efuse.c @@ -0,0 +1,103 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * JZ4780 EFUSE driver + * + * Copyright (c) 2014 Imagination Technologies + * Author: Alex Smith + */ + +#include +#include +#include +#include +#include +#include + +#define EFUSE_EFUCTRL 0xd0 +#define EFUSE_EFUCFG 0xd4 +#define EFUSE_EFUSTATE 0xd8 +#define EFUSE_EFUDATA(n) (0xdc + ((n) * 4)) + +#define EFUSE_EFUCTRL_RD_EN BIT(0) +#define EFUSE_EFUCTRL_LEN_BIT 16 +#define EFUSE_EFUCTRL_LEN_MASK 0x1f +#define EFUSE_EFUCTRL_ADDR_BIT 21 +#define EFUSE_EFUCTRL_ADDR_MASK 0x1ff +#define EFUSE_EFUCTRL_CS BIT(30) + +#define EFUSE_EFUCFG_RD_STROBE_BIT 16 +#define EFUSE_EFUCFG_RD_STROBE_MASK 0xf +#define EFUSE_EFUCFG_RD_ADJ_BIT 20 +#define EFUSE_EFUCFG_RD_ADJ_MASK 0xf + +#define EFUSE_EFUSTATE_RD_DONE BIT(0) + +static void jz4780_efuse_read_chunk(size_t addr, size_t count, u8 *buf) +{ + void __iomem *regs = (void __iomem *)NEMC_BASE; + size_t i; + u32 val; + int ret; + + val = EFUSE_EFUCTRL_RD_EN | + ((count - 1) << EFUSE_EFUCTRL_LEN_BIT) | + (addr << EFUSE_EFUCTRL_ADDR_BIT) | + ((addr > 0x200) ? EFUSE_EFUCTRL_CS : 0); + writel(val, regs + EFUSE_EFUCTRL); + + ret = wait_for_bit_le32(regs + EFUSE_EFUSTATE, + EFUSE_EFUSTATE_RD_DONE, true, 10000, false); + if (ret) + return; + + if ((count % 4) == 0) { + for (i = 0; i < count / 4; i++) { + val = readl(regs + EFUSE_EFUDATA(i)); + put_unaligned(val, (u32 *)(buf + (i * 4))); + } + } else { + val = readl(regs + EFUSE_EFUDATA(0)); + if (count > 2) + buf[2] = (val >> 16) & 0xff; + if (count > 1) + buf[1] = (val >> 8) & 0xff; + buf[0] = val & 0xff; + } +} + +static inline int jz4780_efuse_chunk_size(size_t count) +{ + if (count >= 32) + return 32; + else if ((count / 4) > 0) + return (count / 4) * 4; + else + return count % 4; +} + +void jz4780_efuse_read(size_t addr, size_t count, u8 *buf) +{ + size_t chunk; + + while (count > 0) { + chunk = jz4780_efuse_chunk_size(count); + jz4780_efuse_read_chunk(addr, chunk, buf); + addr += chunk; + buf += chunk; + count -= chunk; + } +} + +void jz4780_efuse_init(u32 ahb2_rate) +{ + void __iomem *regs = (void __iomem *)NEMC_BASE; + u32 rd_adj, rd_strobe, tmp; + + rd_adj = (((6500 * (ahb2_rate / 1000000)) / 1000000) + 0xf) / 2; + tmp = (((35000 * (ahb2_rate / 1000000)) / 1000000) - 4) - rd_adj; + rd_strobe = ((tmp + 0xf) / 2 < 7) ? 7 : (tmp + 0xf) / 2; + + tmp = (rd_adj << EFUSE_EFUCFG_RD_ADJ_BIT) | + (rd_strobe << EFUSE_EFUCFG_RD_STROBE_BIT); + writel(tmp, regs + EFUSE_EFUCFG); +} From d77271393a429ed7eb82efcd9ad4aa61cd9809d4 Mon Sep 17 00:00:00 2001 From: Paul Burton Date: Sun, 16 Dec 2018 19:25:20 -0300 Subject: [PATCH 44/47] mmc: Add JZ47xx SD/MMC controller driver Add driver for the JZ47xx MSC controller. Cc: Daniel Schwierzeck Signed-off-by: Paul Burton Signed-off-by: Marek Vasut Signed-off-by: Ezequiel Garcia Reviewed-by: Marek Vasut --- drivers/mmc/Kconfig | 6 + drivers/mmc/Makefile | 1 + drivers/mmc/jz_mmc.c | 488 +++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 495 insertions(+) create mode 100644 drivers/mmc/jz_mmc.c diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig index fbd13964a08..496b2cba640 100644 --- a/drivers/mmc/Kconfig +++ b/drivers/mmc/Kconfig @@ -332,6 +332,12 @@ config MMC_BCM2835 If unsure, say N. +config JZ47XX_MMC + bool "Ingenic JZ47xx SD/MMC Host Controller support" + depends on ARCH_JZ47XX + help + This selects support for the SD Card Controller on Ingenic JZ47xx SoCs. + config MMC_SANDBOX bool "Sandbox MMC support" depends on SANDBOX diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile index 801a26d8219..7892c468f05 100644 --- a/drivers/mmc/Makefile +++ b/drivers/mmc/Makefile @@ -40,6 +40,7 @@ obj-$(CONFIG_MMC_SANDBOX) += sandbox_mmc.o obj-$(CONFIG_SH_MMCIF) += sh_mmcif.o obj-$(CONFIG_SH_SDHI) += sh_sdhi.o obj-$(CONFIG_STM32_SDMMC2) += stm32_sdmmc2.o +obj-$(CONFIG_JZ47XX_MMC) += jz_mmc.o # SDHCI obj-$(CONFIG_MMC_SDHCI) += sdhci.o diff --git a/drivers/mmc/jz_mmc.c b/drivers/mmc/jz_mmc.c new file mode 100644 index 00000000000..3132c3e191a --- /dev/null +++ b/drivers/mmc/jz_mmc.c @@ -0,0 +1,488 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Ingenic JZ MMC driver + * + * Copyright (c) 2013 Imagination Technologies + * Author: Paul Burton + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +/* Registers */ +#define MSC_STRPCL 0x000 +#define MSC_STAT 0x004 +#define MSC_CLKRT 0x008 +#define MSC_CMDAT 0x00c +#define MSC_RESTO 0x010 +#define MSC_RDTO 0x014 +#define MSC_BLKLEN 0x018 +#define MSC_NOB 0x01c +#define MSC_SNOB 0x020 +#define MSC_IMASK 0x024 +#define MSC_IREG 0x028 +#define MSC_CMD 0x02c +#define MSC_ARG 0x030 +#define MSC_RES 0x034 +#define MSC_RXFIFO 0x038 +#define MSC_TXFIFO 0x03c +#define MSC_LPM 0x040 +#define MSC_DMAC 0x044 +#define MSC_DMANDA 0x048 +#define MSC_DMADA 0x04c +#define MSC_DMALEN 0x050 +#define MSC_DMACMD 0x054 +#define MSC_CTRL2 0x058 +#define MSC_RTCNT 0x05c +#define MSC_DBG 0x0fc + +/* MSC Clock and Control Register (MSC_STRPCL) */ +#define MSC_STRPCL_EXIT_MULTIPLE BIT(7) +#define MSC_STRPCL_EXIT_TRANSFER BIT(6) +#define MSC_STRPCL_START_READWAIT BIT(5) +#define MSC_STRPCL_STOP_READWAIT BIT(4) +#define MSC_STRPCL_RESET BIT(3) +#define MSC_STRPCL_START_OP BIT(2) +#define MSC_STRPCL_CLOCK_CONTROL_STOP BIT(0) +#define MSC_STRPCL_CLOCK_CONTROL_START BIT(1) + +/* MSC Status Register (MSC_STAT) */ +#define MSC_STAT_AUTO_CMD_DONE BIT(31) +#define MSC_STAT_IS_RESETTING BIT(15) +#define MSC_STAT_SDIO_INT_ACTIVE BIT(14) +#define MSC_STAT_PRG_DONE BIT(13) +#define MSC_STAT_DATA_TRAN_DONE BIT(12) +#define MSC_STAT_END_CMD_RES BIT(11) +#define MSC_STAT_DATA_FIFO_AFULL BIT(10) +#define MSC_STAT_IS_READWAIT BIT(9) +#define MSC_STAT_CLK_EN BIT(8) +#define MSC_STAT_DATA_FIFO_FULL BIT(7) +#define MSC_STAT_DATA_FIFO_EMPTY BIT(6) +#define MSC_STAT_CRC_RES_ERR BIT(5) +#define MSC_STAT_CRC_READ_ERROR BIT(4) +#define MSC_STAT_CRC_WRITE_ERROR BIT(2) +#define MSC_STAT_CRC_WRITE_ERROR_NOSTS BIT(4) +#define MSC_STAT_TIME_OUT_RES BIT(1) +#define MSC_STAT_TIME_OUT_READ BIT(0) + +/* MSC Bus Clock Control Register (MSC_CLKRT) */ +#define MSC_CLKRT_CLK_RATE_MASK 0x7 + +/* MSC Command Sequence Control Register (MSC_CMDAT) */ +#define MSC_CMDAT_IO_ABORT BIT(11) +#define MSC_CMDAT_BUS_WIDTH_1BIT (0x0 << 9) +#define MSC_CMDAT_BUS_WIDTH_4BIT (0x2 << 9) +#define MSC_CMDAT_DMA_EN BIT(8) +#define MSC_CMDAT_INIT BIT(7) +#define MSC_CMDAT_BUSY BIT(6) +#define MSC_CMDAT_STREAM_BLOCK BIT(5) +#define MSC_CMDAT_WRITE BIT(4) +#define MSC_CMDAT_DATA_EN BIT(3) +#define MSC_CMDAT_RESPONSE_MASK (0x7 << 0) +#define MSC_CMDAT_RESPONSE_NONE (0x0 << 0) /* No response */ +#define MSC_CMDAT_RESPONSE_R1 (0x1 << 0) /* Format R1 and R1b */ +#define MSC_CMDAT_RESPONSE_R2 (0x2 << 0) /* Format R2 */ +#define MSC_CMDAT_RESPONSE_R3 (0x3 << 0) /* Format R3 */ +#define MSC_CMDAT_RESPONSE_R4 (0x4 << 0) /* Format R4 */ +#define MSC_CMDAT_RESPONSE_R5 (0x5 << 0) /* Format R5 */ +#define MSC_CMDAT_RESPONSE_R6 (0x6 << 0) /* Format R6 */ + +/* MSC Interrupts Mask Register (MSC_IMASK) */ +#define MSC_IMASK_TIME_OUT_RES BIT(9) +#define MSC_IMASK_TIME_OUT_READ BIT(8) +#define MSC_IMASK_SDIO BIT(7) +#define MSC_IMASK_TXFIFO_WR_REQ BIT(6) +#define MSC_IMASK_RXFIFO_RD_REQ BIT(5) +#define MSC_IMASK_END_CMD_RES BIT(2) +#define MSC_IMASK_PRG_DONE BIT(1) +#define MSC_IMASK_DATA_TRAN_DONE BIT(0) + +/* MSC Interrupts Status Register (MSC_IREG) */ +#define MSC_IREG_TIME_OUT_RES BIT(9) +#define MSC_IREG_TIME_OUT_READ BIT(8) +#define MSC_IREG_SDIO BIT(7) +#define MSC_IREG_TXFIFO_WR_REQ BIT(6) +#define MSC_IREG_RXFIFO_RD_REQ BIT(5) +#define MSC_IREG_END_CMD_RES BIT(2) +#define MSC_IREG_PRG_DONE BIT(1) +#define MSC_IREG_DATA_TRAN_DONE BIT(0) + +struct jz_mmc_plat { + struct mmc_config cfg; + struct mmc mmc; +}; + +struct jz_mmc_priv { + void __iomem *regs; + u32 flags; +/* priv flags */ +#define JZ_MMC_BUS_WIDTH_MASK 0x3 +#define JZ_MMC_BUS_WIDTH_1 0x0 +#define JZ_MMC_BUS_WIDTH_4 0x2 +#define JZ_MMC_BUS_WIDTH_8 0x3 +#define JZ_MMC_SENT_INIT BIT(2) +}; + +static int jz_mmc_clock_rate(void) +{ + return 24000000; +} + +static int jz_mmc_send_cmd(struct mmc *mmc, struct jz_mmc_priv *priv, + struct mmc_cmd *cmd, struct mmc_data *data) +{ + u32 stat, mask, cmdat = 0; + int i, ret; + + /* stop the clock */ + writel(MSC_STRPCL_CLOCK_CONTROL_STOP, priv->regs + MSC_STRPCL); + ret = wait_for_bit_le32(priv->regs + MSC_STAT, + MSC_STAT_CLK_EN, false, 10000, false); + if (ret) + return ret; + + writel(0, priv->regs + MSC_DMAC); + + /* setup command */ + writel(cmd->cmdidx, priv->regs + MSC_CMD); + writel(cmd->cmdarg, priv->regs + MSC_ARG); + + if (data) { + /* setup data */ + cmdat |= MSC_CMDAT_DATA_EN; + if (data->flags & MMC_DATA_WRITE) + cmdat |= MSC_CMDAT_WRITE; + + writel(data->blocks, priv->regs + MSC_NOB); + writel(data->blocksize, priv->regs + MSC_BLKLEN); + } else { + writel(0, priv->regs + MSC_NOB); + writel(0, priv->regs + MSC_BLKLEN); + } + + /* setup response */ + switch (cmd->resp_type) { + case MMC_RSP_NONE: + break; + case MMC_RSP_R1: + case MMC_RSP_R1b: + cmdat |= MSC_CMDAT_RESPONSE_R1; + break; + case MMC_RSP_R2: + cmdat |= MSC_CMDAT_RESPONSE_R2; + break; + case MMC_RSP_R3: + cmdat |= MSC_CMDAT_RESPONSE_R3; + break; + default: + break; + } + + if (cmd->resp_type & MMC_RSP_BUSY) + cmdat |= MSC_CMDAT_BUSY; + + /* set init for the first command only */ + if (!(priv->flags & JZ_MMC_SENT_INIT)) { + cmdat |= MSC_CMDAT_INIT; + priv->flags |= JZ_MMC_SENT_INIT; + } + + cmdat |= (priv->flags & JZ_MMC_BUS_WIDTH_MASK) << 9; + + /* write the data setup */ + writel(cmdat, priv->regs + MSC_CMDAT); + + /* unmask interrupts */ + mask = 0xffffffff & ~(MSC_IMASK_END_CMD_RES | MSC_IMASK_TIME_OUT_RES); + if (data) { + mask &= ~MSC_IMASK_DATA_TRAN_DONE; + if (data->flags & MMC_DATA_WRITE) { + mask &= ~MSC_IMASK_TXFIFO_WR_REQ; + } else { + mask &= ~(MSC_IMASK_RXFIFO_RD_REQ | + MSC_IMASK_TIME_OUT_READ); + } + } + writel(mask, priv->regs + MSC_IMASK); + + /* clear interrupts */ + writel(0xffffffff, priv->regs + MSC_IREG); + + /* start the command (& the clock) */ + writel(MSC_STRPCL_START_OP | MSC_STRPCL_CLOCK_CONTROL_START, + priv->regs + MSC_STRPCL); + + /* wait for completion */ + for (i = 0; i < 100; i++) { + stat = readl(priv->regs + MSC_IREG); + stat &= MSC_IREG_END_CMD_RES | MSC_IREG_TIME_OUT_RES; + if (stat) + break; + mdelay(1); + } + writel(stat, priv->regs + MSC_IREG); + if (stat & MSC_IREG_TIME_OUT_RES) + return -ETIMEDOUT; + + if (cmd->resp_type & MMC_RSP_PRESENT) { + /* read the response */ + if (cmd->resp_type & MMC_RSP_136) { + u16 a, b, c, i; + + a = readw(priv->regs + MSC_RES); + for (i = 0; i < 4; i++) { + b = readw(priv->regs + MSC_RES); + c = readw(priv->regs + MSC_RES); + cmd->response[i] = + (a << 24) | (b << 8) | (c >> 8); + a = c; + } + } else { + cmd->response[0] = readw(priv->regs + MSC_RES) << 24; + cmd->response[0] |= readw(priv->regs + MSC_RES) << 8; + cmd->response[0] |= readw(priv->regs + MSC_RES) & 0xff; + } + } + + if (data && (data->flags & MMC_DATA_WRITE)) { + /* write the data */ + int sz = DIV_ROUND_UP(data->blocks * data->blocksize, 4); + const void *buf = data->src; + + while (sz--) { + u32 val = get_unaligned_le32(buf); + + wait_for_bit_le32(priv->regs + MSC_IREG, + MSC_IREG_TXFIFO_WR_REQ, + true, 10000, false); + writel(val, priv->regs + MSC_TXFIFO); + buf += 4; + } + } else if (data && (data->flags & MMC_DATA_READ)) { + /* read the data */ + int sz = data->blocks * data->blocksize; + void *buf = data->dest; + + do { + stat = readl(priv->regs + MSC_STAT); + + if (stat & MSC_STAT_TIME_OUT_READ) + return -ETIMEDOUT; + if (stat & MSC_STAT_CRC_READ_ERROR) + return -EINVAL; + if (stat & MSC_STAT_DATA_FIFO_EMPTY) { + udelay(10); + continue; + } + do { + u32 val = readl(priv->regs + MSC_RXFIFO); + + if (sz == 1) + *(u8 *)buf = (u8)val; + else if (sz == 2) + put_unaligned_le16(val, buf); + else if (sz >= 4) + put_unaligned_le32(val, buf); + buf += 4; + sz -= 4; + stat = readl(priv->regs + MSC_STAT); + } while (!(stat & MSC_STAT_DATA_FIFO_EMPTY)); + } while (!(stat & MSC_STAT_DATA_TRAN_DONE)); + } + + return 0; +} + +static int jz_mmc_set_ios(struct mmc *mmc, struct jz_mmc_priv *priv) +{ + u32 real_rate = jz_mmc_clock_rate(); + u8 clk_div = 0; + + /* calculate clock divide */ + while ((real_rate > mmc->clock) && (clk_div < 7)) { + real_rate >>= 1; + clk_div++; + } + writel(clk_div & MSC_CLKRT_CLK_RATE_MASK, priv->regs + MSC_CLKRT); + + /* set the bus width for the next command */ + priv->flags &= ~JZ_MMC_BUS_WIDTH_MASK; + if (mmc->bus_width == 8) + priv->flags |= JZ_MMC_BUS_WIDTH_8; + else if (mmc->bus_width == 4) + priv->flags |= JZ_MMC_BUS_WIDTH_4; + else + priv->flags |= JZ_MMC_BUS_WIDTH_1; + + return 0; +} + +static int jz_mmc_core_init(struct mmc *mmc) +{ + struct jz_mmc_priv *priv = mmc->priv; + int ret; + + /* Reset */ + writel(MSC_STRPCL_RESET, priv->regs + MSC_STRPCL); + ret = wait_for_bit_le32(priv->regs + MSC_STAT, + MSC_STAT_IS_RESETTING, false, 10000, false); + if (ret) + return ret; + + /* Maximum timeouts */ + writel(0xffff, priv->regs + MSC_RESTO); + writel(0xffffffff, priv->regs + MSC_RDTO); + + /* Enable low power mode */ + writel(0x1, priv->regs + MSC_LPM); + + return 0; +} + +#if !CONFIG_IS_ENABLED(DM_MMC) + +static int jz_mmc_legacy_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, + struct mmc_data *data) +{ + struct jz_mmc_priv *priv = mmc->priv; + + return jz_mmc_send_cmd(mmc, priv, cmd, data); +} + +static int jz_mmc_legacy_set_ios(struct mmc *mmc) +{ + struct jz_mmc_priv *priv = mmc->priv; + + return jz_mmc_set_ios(mmc, priv); +}; + +static const struct mmc_ops jz_msc_ops = { + .send_cmd = jz_mmc_legacy_send_cmd, + .set_ios = jz_mmc_legacy_set_ios, + .init = jz_mmc_core_init, +}; + +static struct jz_mmc_priv jz_mmc_priv_static; +static struct jz_mmc_plat jz_mmc_plat_static = { + .cfg = { + .name = "MSC", + .ops = &jz_msc_ops, + + .voltages = MMC_VDD_27_28 | MMC_VDD_28_29 | MMC_VDD_29_30 | + MMC_VDD_30_31 | MMC_VDD_31_32 | MMC_VDD_32_33 | + MMC_VDD_33_34 | MMC_VDD_34_35 | MMC_VDD_35_36, + .host_caps = MMC_MODE_4BIT | MMC_MODE_HS_52MHz | MMC_MODE_HS, + + .f_min = 375000, + .f_max = 48000000, + .b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT, + }, +}; + +int jz_mmc_init(void __iomem *base) +{ + struct mmc *mmc; + + jz_mmc_priv_static.regs = base; + + mmc = mmc_create(&jz_mmc_plat_static.cfg, &jz_mmc_priv_static); + + return mmc ? 0 : -ENODEV; +} + +#else /* CONFIG_DM_MMC */ + +#include +DECLARE_GLOBAL_DATA_PTR; + +static int jz_mmc_dm_send_cmd(struct udevice *dev, struct mmc_cmd *cmd, + struct mmc_data *data) +{ + struct jz_mmc_priv *priv = dev_get_priv(dev); + struct mmc *mmc = mmc_get_mmc_dev(dev); + + return jz_mmc_send_cmd(mmc, priv, cmd, data); +} + +static int jz_mmc_dm_set_ios(struct udevice *dev) +{ + struct jz_mmc_priv *priv = dev_get_priv(dev); + struct mmc *mmc = mmc_get_mmc_dev(dev); + + return jz_mmc_set_ios(mmc, priv); +}; + +static const struct dm_mmc_ops jz_msc_ops = { + .send_cmd = jz_mmc_dm_send_cmd, + .set_ios = jz_mmc_dm_set_ios, +}; + +static int jz_mmc_ofdata_to_platdata(struct udevice *dev) +{ + struct jz_mmc_priv *priv = dev_get_priv(dev); + struct jz_mmc_plat *plat = dev_get_platdata(dev); + struct mmc_config *cfg; + int ret; + + priv->regs = map_physmem(devfdt_get_addr(dev), 0x100, MAP_NOCACHE); + cfg = &plat->cfg; + + cfg->name = "MSC"; + cfg->host_caps = MMC_MODE_HS_52MHz | MMC_MODE_HS; + + ret = mmc_of_parse(dev, cfg); + if (ret < 0) { + dev_err(dev, "failed to parse host caps\n"); + return ret; + } + + cfg->f_min = 400000; + cfg->f_max = 52000000; + + cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195; + cfg->b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT; + + return 0; +} + +static int jz_mmc_bind(struct udevice *dev) +{ + struct jz_mmc_plat *plat = dev_get_platdata(dev); + + return mmc_bind(dev, &plat->mmc, &plat->cfg); +} + +static int jz_mmc_probe(struct udevice *dev) +{ + struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev); + struct jz_mmc_priv *priv = dev_get_priv(dev); + struct jz_mmc_plat *plat = dev_get_platdata(dev); + + plat->mmc.priv = priv; + upriv->mmc = &plat->mmc; + return jz_mmc_core_init(&plat->mmc); +} + +static const struct udevice_id jz_mmc_ids[] = { + { .compatible = "ingenic,jz4780-mmc" }, + { } +}; + +U_BOOT_DRIVER(jz_mmc_drv) = { + .name = "jz_mmc", + .id = UCLASS_MMC, + .of_match = jz_mmc_ids, + .ofdata_to_platdata = jz_mmc_ofdata_to_platdata, + .bind = jz_mmc_bind, + .probe = jz_mmc_probe, + .priv_auto_alloc_size = sizeof(struct jz_mmc_priv), + .platdata_auto_alloc_size = sizeof(struct jz_mmc_plat), + .ops = &jz_msc_ops, +}; +#endif /* CONFIG_DM_MMC */ From b325c4dcd72246a107580280ff66f4c86b23254a Mon Sep 17 00:00:00 2001 From: Paul Burton Date: Sun, 16 Dec 2018 19:25:21 -0300 Subject: [PATCH 45/47] mips: Add SPL header Add header with SPL boot mode and type definitions. Cc: Daniel Schwierzeck Signed-off-by: Paul Burton Signed-off-by: Marek Vasut --- arch/mips/include/asm/spl.h | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 arch/mips/include/asm/spl.h diff --git a/arch/mips/include/asm/spl.h b/arch/mips/include/asm/spl.h new file mode 100644 index 00000000000..0a847edec89 --- /dev/null +++ b/arch/mips/include/asm/spl.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * (C) Copyright 2012 + * Texas Instruments, + */ +#ifndef _ASM_SPL_H_ +#define _ASM_SPL_H_ + +enum { + BOOT_DEVICE_RAM, + BOOT_DEVICE_MMC1, + BOOT_DEVICE_MMC2, + BOOT_DEVICE_MMC2_2, + BOOT_DEVICE_NAND, + BOOT_DEVICE_ONENAND, + BOOT_DEVICE_NOR, + BOOT_DEVICE_UART, + BOOT_DEVICE_SPI, + BOOT_DEVICE_USB, + BOOT_DEVICE_SATA, + BOOT_DEVICE_I2C, + BOOT_DEVICE_BOARD, + BOOT_DEVICE_DFU, + BOOT_DEVICE_XIP, + BOOT_DEVICE_BOOTROM, + BOOT_DEVICE_NONE +}; + +#ifndef CONFIG_DM +extern gd_t gdata; +#endif + +#endif From cd71b1d5d26dfff15222f5df8a5a6df68fc41df7 Mon Sep 17 00:00:00 2001 From: Paul Burton Date: Sun, 16 Dec 2018 19:25:22 -0300 Subject: [PATCH 46/47] mips: jz47xx: Add JZ4780 SoC support Add initial support for the Ingenic JZ47xx MIPS SoC. Cc: Daniel Schwierzeck Signed-off-by: Paul Burton Signed-off-by: Marek Vasut Signed-off-by: Ezequiel Garcia Reviewed-by: Marek Vasut --- MAINTAINERS | 5 + arch/mips/Kconfig | 7 + arch/mips/Makefile | 1 + arch/mips/dts/jz4780.dtsi | 164 ++++++ arch/mips/mach-jz47xx/Kconfig | 15 + arch/mips/mach-jz47xx/Makefile | 5 + arch/mips/mach-jz47xx/include/mach/jz4780.h | 103 ++++ .../mach-jz47xx/include/mach/jz4780_dram.h | 456 +++++++++++++++ .../mach-jz47xx/include/mach/jz4780_gpio.h | 12 + arch/mips/mach-jz47xx/jz4780/Makefile | 3 + arch/mips/mach-jz47xx/jz4780/TODO | 4 + arch/mips/mach-jz47xx/jz4780/gpio.c | 39 ++ arch/mips/mach-jz47xx/jz4780/jz4780.c | 83 +++ arch/mips/mach-jz47xx/jz4780/pll.c | 530 ++++++++++++++++++ arch/mips/mach-jz47xx/jz4780/reset.c | 53 ++ arch/mips/mach-jz47xx/jz4780/sdram.c | 270 +++++++++ arch/mips/mach-jz47xx/jz4780/timer.c | 239 ++++++++ arch/mips/mach-jz47xx/jz4780/u-boot-spl.lds | 50 ++ arch/mips/mach-jz47xx/start.S | 98 ++++ include/dt-bindings/clock/jz4780-cgu.h | 89 +++ 20 files changed, 2226 insertions(+) create mode 100644 arch/mips/dts/jz4780.dtsi create mode 100644 arch/mips/mach-jz47xx/Kconfig create mode 100644 arch/mips/mach-jz47xx/Makefile create mode 100644 arch/mips/mach-jz47xx/include/mach/jz4780.h create mode 100644 arch/mips/mach-jz47xx/include/mach/jz4780_dram.h create mode 100644 arch/mips/mach-jz47xx/include/mach/jz4780_gpio.h create mode 100644 arch/mips/mach-jz47xx/jz4780/Makefile create mode 100644 arch/mips/mach-jz47xx/jz4780/TODO create mode 100644 arch/mips/mach-jz47xx/jz4780/gpio.c create mode 100644 arch/mips/mach-jz47xx/jz4780/jz4780.c create mode 100644 arch/mips/mach-jz47xx/jz4780/pll.c create mode 100644 arch/mips/mach-jz47xx/jz4780/reset.c create mode 100644 arch/mips/mach-jz47xx/jz4780/sdram.c create mode 100644 arch/mips/mach-jz47xx/jz4780/timer.c create mode 100644 arch/mips/mach-jz47xx/jz4780/u-boot-spl.lds create mode 100644 arch/mips/mach-jz47xx/start.S create mode 100644 include/dt-bindings/clock/jz4780-cgu.h diff --git a/MAINTAINERS b/MAINTAINERS index bb0a107db5b..ae825014bda 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -525,6 +525,11 @@ F: board/mscc/ F: configs/mscc* F: include/configs/vcoreiii.h +MIPS JZ4780 +M: Ezequiel Garcia +S: Maintained +F: arch/mips/mach-jz47xx/ + MMC M: Jaehoon Chung S: Maintained diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index fe041f0b78b..194f4f349ed 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -93,6 +93,12 @@ config ARCH_MT7620 select SUPPORTS_LITTLE_ENDIAN select SYSRESET +config ARCH_JZ47XX + bool "Support Ingenic JZ47xx" + select SUPPORT_SPL + select OF_CONTROL + select DM + config MACH_PIC32 bool "Support Microchip PIC32" select DM @@ -145,6 +151,7 @@ source "board/qemu-mips/Kconfig" source "arch/mips/mach-ath79/Kconfig" source "arch/mips/mach-mscc/Kconfig" source "arch/mips/mach-bmips/Kconfig" +source "arch/mips/mach-jz47xx/Kconfig" source "arch/mips/mach-pic32/Kconfig" source "arch/mips/mach-mt7620/Kconfig" diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 124e93fa26c..029d290f1e0 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -13,6 +13,7 @@ libs-y += arch/mips/lib/ machine-$(CONFIG_ARCH_ATH79) += ath79 machine-$(CONFIG_ARCH_BMIPS) += bmips +machine-$(CONFIG_ARCH_JZ47XX) += jz47xx machine-$(CONFIG_MACH_PIC32) += pic32 machine-$(CONFIG_ARCH_MT7620) += mt7620 machine-$(CONFIG_ARCH_MSCC) += mscc diff --git a/arch/mips/dts/jz4780.dtsi b/arch/mips/dts/jz4780.dtsi new file mode 100644 index 00000000000..f62a7a95f88 --- /dev/null +++ b/arch/mips/dts/jz4780.dtsi @@ -0,0 +1,164 @@ +// SPDX-License-Identifier: GPL-2.0+ + +#include + +/ { + #address-cells = <1>; + #size-cells = <1>; + compatible = "ingenic,jz4780"; + + cpuintc: interrupt-controller { + #address-cells = <0>; + #interrupt-cells = <1>; + interrupt-controller; + compatible = "mti,cpu-interrupt-controller"; + }; + + intc: interrupt-controller@10001000 { + compatible = "ingenic,jz4780-intc"; + reg = <0x10001000 0x50>; + + interrupt-controller; + #interrupt-cells = <1>; + + interrupt-parent = <&cpuintc>; + interrupts = <2>; + }; + + ext: ext { + compatible = "fixed-clock"; + #clock-cells = <0>; + }; + + rtc: rtc { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <32768>; + }; + + cgu: jz4780-cgu@10000000 { + compatible = "ingenic,jz4780-cgu"; + reg = <0x10000000 0x100>; + + clocks = <&ext>, <&rtc>; + clock-names = "ext", "rtc"; + + #clock-cells = <1>; + }; + + mmc0: mmc@13450000 { + compatible = "ingenic,jz4780-mmc"; + reg = <0x13450000 0x1000>; + + status = "disabled"; + + clocks = <&cgu JZ4780_CLK_MSC0>; + clock-names = "mmc"; + }; + + mmc1: mmc@13460000 { + compatible = "ingenic,jz4780-mmc"; + reg = <0x13460000 0x1000>; + + clocks = <&cgu JZ4780_CLK_MSC1>; + clock-names = "mmc"; + + status = "disabled"; + }; + + uart0: serial@10030000 { + compatible = "ingenic,jz4780-uart"; + reg = <0x10030000 0x100>; + reg-shift = <2>; + + interrupt-parent = <&intc>; + interrupts = <51>; + + clocks = <&ext>, <&cgu JZ4780_CLK_UART0>; + clock-names = "baud", "module"; + + status = "disabled"; + }; + + uart1: serial@10031000 { + compatible = "ingenic,jz4780-uart"; + reg = <0x10031000 0x100>; + reg-shift = <2>; + + interrupt-parent = <&intc>; + interrupts = <50>; + + clocks = <&ext>, <&cgu JZ4780_CLK_UART1>; + clock-names = "baud", "module"; + + status = "disabled"; + }; + + uart2: serial@10032000 { + compatible = "ingenic,jz4780-uart"; + reg = <0x10032000 0x100>; + reg-shift = <2>; + + interrupt-parent = <&intc>; + interrupts = <49>; + + clocks = <&ext>, <&cgu JZ4780_CLK_UART2>; + clock-names = "baud", "module"; + + status = "disabled"; + }; + + uart3: serial@10033000 { + compatible = "ingenic,jz4780-uart"; + reg = <0x10033000 0x100>; + reg-shift = <2>; + + interrupt-parent = <&intc>; + interrupts = <48>; + + clocks = <&ext>, <&cgu JZ4780_CLK_UART3>; + clock-names = "baud", "module"; + + status = "disabled"; + }; + + uart4: serial@10034000 { + compatible = "ingenic,jz4780-uart"; + reg = <0x10034000 0x100>; + reg-shift = <2>; + + interrupt-parent = <&intc>; + interrupts = <34>; + + clocks = <&ext>, <&cgu JZ4780_CLK_UART4>; + clock-names = "baud", "module"; + + status = "disabled"; + }; + + nemc: nemc@13410000 { + compatible = "ingenic,jz4780-nemc"; + reg = <0x13410000 0x10000>; + #address-cells = <2>; + #size-cells = <1>; + ranges = <1 0 0x1b000000 0x1000000 + 2 0 0x1a000000 0x1000000 + 3 0 0x19000000 0x1000000 + 4 0 0x18000000 0x1000000 + 5 0 0x17000000 0x1000000 + 6 0 0x16000000 0x1000000>; + + clocks = <&cgu JZ4780_CLK_NEMC>; + + status = "disabled"; + }; + + bch: bch@134d0000 { + compatible = "ingenic,jz4780-bch"; + reg = <0x134d0000 0x10000>; + + clocks = <&cgu JZ4780_CLK_BCH>; + + status = "disabled"; + }; +}; diff --git a/arch/mips/mach-jz47xx/Kconfig b/arch/mips/mach-jz47xx/Kconfig new file mode 100644 index 00000000000..cd6944cfc25 --- /dev/null +++ b/arch/mips/mach-jz47xx/Kconfig @@ -0,0 +1,15 @@ +menu "Ingenic JZ47xx platforms" + depends on ARCH_JZ47XX + +config SYS_SOC + default "jz47xx" + +config SOC_JZ4780 + bool + select SUPPORTS_LITTLE_ENDIAN + select SUPPORTS_CPU_MIPS32_R1 + select SUPPORTS_CPU_MIPS32_R2 + help + Support for Ingenic JZ4780 family SoCs. + +endmenu diff --git a/arch/mips/mach-jz47xx/Makefile b/arch/mips/mach-jz47xx/Makefile new file mode 100644 index 00000000000..dbb8229f785 --- /dev/null +++ b/arch/mips/mach-jz47xx/Makefile @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0+ + +extra-$(CONFIG_SPL_BUILD) := start.o + +obj-$(CONFIG_SOC_JZ4780) += jz4780/ diff --git a/arch/mips/mach-jz47xx/include/mach/jz4780.h b/arch/mips/mach-jz47xx/include/mach/jz4780.h new file mode 100644 index 00000000000..4422e503ed2 --- /dev/null +++ b/arch/mips/mach-jz47xx/include/mach/jz4780.h @@ -0,0 +1,103 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * JZ4780 definitions + * + * Copyright (c) 2013 Imagination Technologies + * Author: Paul Burton + */ + +#ifndef __JZ4780_H__ +#define __JZ4780_H__ + +/* AHB0 BUS Devices */ +#define DDRC_BASE 0xb3010000 + +/* AHB2 BUS Devices */ +#define NEMC_BASE 0xb3410000 +#define BCH_BASE 0xb34d0000 + +/* APB BUS Devices */ +#define CPM_BASE 0xb0000000 +#define TCU_BASE 0xb0002000 +#define WDT_BASE 0xb0002000 +#define GPIO_BASE 0xb0010000 +#define UART0_BASE 0xb0030000 +#define UART1_BASE 0xb0031000 +#define UART2_BASE 0xb0032000 +#define UART3_BASE 0xb0033000 +#define MSC0_BASE 0xb3450000 +#define MSC1_BASE 0xb3460000 +#define MSC2_BASE 0xb3470000 + +/* + * GPIO + */ +/* n = 0,1,2,3,4,5 */ +#define GPIO_PXPIN(n) (0x00 + (n) * 0x100) +#define GPIO_PXINT(n) (0x10 + (n) * 0x100) +#define GPIO_PXINTS(n) (0x14 + (n) * 0x100) +#define GPIO_PXINTC(n) (0x18 + (n) * 0x100) +#define GPIO_PXMASK(n) (0x20 + (n) * 0x100) +#define GPIO_PXMASKS(n) (0x24 + (n) * 0x100) +#define GPIO_PXMASKC(n) (0x28 + (n) * 0x100) +#define GPIO_PXPAT1(n) (0x30 + (n) * 0x100) +#define GPIO_PXPAT1S(n) (0x34 + (n) * 0x100) +#define GPIO_PXPAT1C(n) (0x38 + (n) * 0x100) +#define GPIO_PXPAT0(n) (0x40 + (n) * 0x100) +#define GPIO_PXPAT0S(n) (0x44 + (n) * 0x100) +#define GPIO_PXPAT0C(n) (0x48 + (n) * 0x100) +#define GPIO_PXFLG(n) (0x50 + (n) * 0x100) +#define GPIO_PXFLGC(n) (0x54 + (n) * 0x100) +#define GPIO_PXOEN(n) (0x60 + (n) * 0x100) +#define GPIO_PXOENS(n) (0x64 + (n) * 0x100) +#define GPIO_PXOENC(n) (0x68 + (n) * 0x100) +#define GPIO_PXPEN(n) (0x70 + (n) * 0x100) +#define GPIO_PXPENS(n) (0x74 + (n) * 0x100) +#define GPIO_PXPENC(n) (0x78 + (n) * 0x100) +#define GPIO_PXDS(n) (0x80 + (n) * 0x100) +#define GPIO_PXDSS(n) (0x84 + (n) * 0x100) +#define GPIO_PXDSC(n) (0x88 + (n) * 0x100) + +/* PLL setup */ +#define JZ4780_SYS_EXTAL 48000000 +#define JZ4780_SYS_MEM_SPEED (CONFIG_SYS_MHZ * 1000000) +#define JZ4780_SYS_MEM_DIV 3 +#define JZ4780_SYS_AUDIO_SPEED (768 * 1000000) + +#define JZ4780_APLL_M 1 +#define JZ4780_APLL_N 1 +#define JZ4780_APLL_OD 1 + +#define JZ4780_MPLL_M (JZ4780_SYS_MEM_SPEED / JZ4780_SYS_EXTAL * 2) +#define JZ4780_MPLL_N 2 +#define JZ4780_MPLL_OD 1 + +#define JZ4780_EPLL_M (JZ4780_SYS_AUDIO_SPEED * 2 / JZ4780_SYS_EXTAL) +#define JZ4780_EPLL_N 1 +#define JZ4780_EPLL_OD 2 + +#define JZ4780_VPLL_M ((888 * 1000000) * 2 / JZ4780_SYS_EXTAL) +#define JZ4780_VPLL_N 1 +#define JZ4780_VPLL_OD 2 + +#ifndef __ASSEMBLY__ + +u32 sdram_size(int bank); + +const u32 jz4780_clk_get_efuse_clk(void); +void jz4780_clk_ungate_ethernet(void); +void jz4780_clk_ungate_mmc(void); +void jz4780_clk_ungate_uart(const unsigned int uart); + +void jz4780_efuse_read(size_t addr, size_t count, u8 *buf); +void jz4780_efuse_init(u32 ahb2_rate); + +void jz4780_tcu_wdt_start(void); + +#ifdef CONFIG_SPL_BUILD +int jz_mmc_init(void __iomem *base); +#endif + +#endif /* __ASSEMBLY__ */ + +#endif /* __JZ4780_H__ */ diff --git a/arch/mips/mach-jz47xx/include/mach/jz4780_dram.h b/arch/mips/mach-jz47xx/include/mach/jz4780_dram.h new file mode 100644 index 00000000000..92d431bd041 --- /dev/null +++ b/arch/mips/mach-jz47xx/include/mach/jz4780_dram.h @@ -0,0 +1,456 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * JZ4780 DDR initialization - parameters definitions + * + * Copyright (c) 2015 Imagination Technologies + * Author: Matt Redfearn + */ + +#ifndef __JZ4780_DRAM_H__ +#define __JZ4780_DRAM_H__ + +/* + * DDR + */ +#define DDRC_ST 0x0 +#define DDRC_CFG 0x4 +#define DDRC_CTRL 0x8 +#define DDRC_LMR 0xc +#define DDRC_REFCNT 0x18 +#define DDRC_DQS 0x1c +#define DDRC_DQS_ADJ 0x20 +#define DDRC_MMAP0 0x24 +#define DDRC_MMAP1 0x28 +#define DDRC_MDELAY 0x2c +#define DDRC_CKEL 0x30 +#define DDRC_PMEMCTRL0 0x54 +#define DDRC_PMEMCTRL1 0x50 +#define DDRC_PMEMCTRL2 0x58 +#define DDRC_PMEMCTRL3 0x5c + +#define DDRC_TIMING(n) (0x60 + 4 * (n)) +#define DDRC_REMMAP(n) (0x9c + 4 * (n)) + +/* + * DDR PHY + */ +#define DDR_MEM_PHY_BASE 0x20000000 +#define DDR_PHY_OFFSET 0x1000 + +#define DDRP_PIR 0x4 +#define DDRP_PGCR 0x8 +#define DDRP_PGSR 0xc + +#define DDRP_PTR0 0x18 +#define DDRP_PTR1 0x1c +#define DDRP_PTR2 0x20 + +#define DDRP_ACIOCR 0x24 +#define DDRP_DXCCR 0x28 +#define DDRP_DSGCR 0x2c +#define DDRP_DCR 0x30 + +#define DDRP_DTPR0 0x34 +#define DDRP_DTPR1 0x38 +#define DDRP_DTPR2 0x3c +#define DDRP_MR0 0x40 +#define DDRP_MR1 0x44 +#define DDRP_MR2 0x48 +#define DDRP_MR3 0x4c + +#define DDRP_ODTCR 0x50 +#define DDRP_DTAR 0x54 +#define DDRP_DTDR0 0x58 +#define DDRP_DTDR1 0x5c + +#define DDRP_DCUAR 0xc0 +#define DDRP_DCUDR 0xc4 +#define DDRP_DCURR 0xc8 +#define DDRP_DCULR 0xcc +#define DDRP_DCUGCR 0xd0 +#define DDRP_DCUTPR 0xd4 +#define DDRP_DCUSR0 0xd8 +#define DDRP_DCUSR1 0xdc + +#define DDRP_ZQXCR0(n) (0x180 + ((n) * 0x10)) +#define DDRP_ZQXCR1(n) (0x184 + ((n) * 0x10)) +#define DDRP_ZQXSR0(n) (0x188 + ((n) * 0x10)) +#define DDRP_ZQXSR1(n) (0x18c + ((n) * 0x10)) + +#define DDRP_DXGCR(n) (0x1c0 + ((n) * 0x40)) +#define DDRP_DXGSR0(n) (0x1c4 + ((n) * 0x40)) +#define DDRP_DXGSR1(n) (0x1c8 + ((n) * 0x40)) +#define DDRP_DXDQSTR(n) (0x1d4 + ((n) * 0x40)) + +/* DDRC Status Register */ +#define DDRC_ST_ENDIAN BIT(7) +#define DDRC_ST_DPDN BIT(5) +#define DDRC_ST_PDN BIT(4) +#define DDRC_ST_AREF BIT(3) +#define DDRC_ST_SREF BIT(2) +#define DDRC_ST_CKE1 BIT(1) +#define DDRC_ST_CKE0 BIT(0) + +/* DDRC Configure Register */ +#define DDRC_CFG_ROW1_BIT 27 +#define DDRC_CFG_ROW1_MASK (0x7 << DDRC_CFG_ROW1_BIT) +#define DDRC_CFG_COL1_BIT 24 +#define DDRC_CFG_COL1_MASK (0x7 << DDRC_CFG_COL1_BIT) +#define DDRC_CFG_BA1 BIT(23) +#define DDRC_CFG_IMBA BIT(22) +#define DDRC_CFG_BL_8 BIT(21) + +#define DDRC_CFG_TYPE_BIT 17 +#define DDRC_CFG_TYPE_MASK (0x7 << DDRC_CFG_TYPE_BIT) +#define DDRC_CFG_TYPE_DDR1 (2 << DDRC_CFG_TYPE_BIT) +#define DDRC_CFG_TYPE_MDDR (3 << DDRC_CFG_TYPE_BIT) +#define DDRC_CFG_TYPE_DDR2 (4 << DDRC_CFG_TYPE_BIT) +#define DDRC_CFG_TYPE_LPDDR2 (5 << DDRC_CFG_TYPE_BIT) +#define DDRC_CFG_TYPE_DDR3 (6 << DDRC_CFG_TYPE_BIT) + +#define DDRC_CFG_ODT_EN BIT(16) + +#define DDRC_CFG_MPRT BIT(15) + +#define DDRC_CFG_ROW_BIT 11 +#define DDRC_CFG_ROW_MASK (0x7 << DDRC_CFG_ROW_BIT) +#define DDRC_CFG_ROW_12 (0 << DDRC_CFG_ROW_BIT) +#define DDRC_CFG_ROW_13 (1 << DDRC_CFG_ROW_BIT) +#define DDRC_CFG_ROW_14 (2 << DDRC_CFG_ROW_BIT) + +#define DDRC_CFG_COL_BIT 8 +#define DDRC_CFG_COL_MASK (0x7 << DDRC_CFG_COL_BIT) +#define DDRC_CFG_COL_8 (0 << DDRC_CFG_COL_BIT) +#define DDRC_CFG_COL_9 (1 << DDRC_CFG_COL_BIT) +#define DDRC_CFG_COL_10 (2 << DDRC_CFG_COL_BIT) +#define DDRC_CFG_COL_11 (3 << DDRC_CFG_COL_BIT) + +#define DDRC_CFG_CS1EN BIT(7) +#define DDRC_CFG_CS0EN BIT(6) +#define DDRC_CFG_CL_BIT 2 +#define DDRC_CFG_CL_MASK (0xf << DDRC_CFG_CL_BIT) +#define DDRC_CFG_CL_3 (0 << DDRC_CFG_CL_BIT) +#define DDRC_CFG_CL_4 (1 << DDRC_CFG_CL_BIT) +#define DDRC_CFG_CL_5 (2 << DDRC_CFG_CL_BIT) +#define DDRC_CFG_CL_6 (3 << DDRC_CFG_CL_BIT) + +#define DDRC_CFG_BA BIT(1) +#define DDRC_CFG_DW BIT(0) + +/* DDRC Control Register */ +#define DDRC_CTRL_DFI_RST BIT(23) +#define DDRC_CTRL_DLL_RST BIT(22) +#define DDRC_CTRL_CTL_RST BIT(21) +#define DDRC_CTRL_CFG_RST BIT(20) +#define DDRC_CTRL_ACTPD BIT(15) +#define DDRC_CTRL_PDT_BIT 12 +#define DDRC_CTRL_PDT_MASK (0x7 << DDRC_CTRL_PDT_BIT) +#define DDRC_CTRL_PDT_DIS (0 << DDRC_CTRL_PDT_BIT) +#define DDRC_CTRL_PDT_8 (1 << DDRC_CTRL_PDT_BIT) +#define DDRC_CTRL_PDT_16 (2 << DDRC_CTRL_PDT_BIT) +#define DDRC_CTRL_PDT_32 (3 << DDRC_CTRL_PDT_BIT) +#define DDRC_CTRL_PDT_64 (4 << DDRC_CTRL_PDT_BIT) +#define DDRC_CTRL_PDT_128 (5 << DDRC_CTRL_PDT_BIT) + +#define DDRC_CTRL_PRET_BIT 8 +#define DDRC_CTRL_PRET_MASK (0x7 << DDRC_CTRL_PRET_BIT) +#define DDRC_CTRL_PRET_DIS (0 << DDRC_CTRL_PRET_BIT) +#define DDRC_CTRL_PRET_8 (1 << DDRC_CTRL_PRET_BIT) +#define DDRC_CTRL_PRET_16 (2 << DDRC_CTRL_PRET_BIT) +#define DDRC_CTRL_PRET_32 (3 << DDRC_CTRL_PRET_BIT) +#define DDRC_CTRL_PRET_64 (4 << DDRC_CTRL_PRET_BIT) +#define DDRC_CTRL_PRET_128 (5 << DDRC_CTRL_PRET_BIT) + +#define DDRC_CTRL_DPD BIT(6) +#define DDRC_CTRL_SR BIT(5) +#define DDRC_CTRL_UNALIGN BIT(4) +#define DDRC_CTRL_ALH BIT(3) +#define DDRC_CTRL_RDC BIT(2) +#define DDRC_CTRL_CKE BIT(1) +#define DDRC_CTRL_RESET BIT(0) + +/* DDRC Load-Mode-Register */ +#define DDRC_LMR_DDR_ADDR_BIT 16 +#define DDRC_LMR_DDR_ADDR_MASK (0x3fff << DDRC_LMR_DDR_ADDR_BIT) + +#define DDRC_LMR_BA_BIT 8 +#define DDRC_LMR_BA_MASK (0x7 << DDRC_LMR_BA_BIT) +/* For DDR2 */ +#define DDRC_LMR_BA_MRS (0 << DDRC_LMR_BA_BIT) +#define DDRC_LMR_BA_EMRS1 (1 << DDRC_LMR_BA_BIT) +#define DDRC_LMR_BA_EMRS2 (2 << DDRC_LMR_BA_BIT) +#define DDRC_LMR_BA_EMRS3 (3 << DDRC_LMR_BA_BIT) +/* For mobile DDR */ +#define DDRC_LMR_BA_M_MRS (0 << DDRC_LMR_BA_BIT) +#define DDRC_LMR_BA_M_EMRS (2 << DDRC_LMR_BA_BIT) +#define DDRC_LMR_BA_M_SR (1 << DDRC_LMR_BA_BIT) +/* For Normal DDR1 */ +#define DDRC_LMR_BA_N_MRS (0 << DDRC_LMR_BA_BIT) +#define DDRC_LMR_BA_N_EMRS (1 << DDRC_LMR_BA_BIT) + +#define DDRC_LMR_CMD_BIT 4 +#define DDRC_LMR_CMD_MASK (0x3 << DDRC_LMR_CMD_BIT) +#define DDRC_LMR_CMD_PREC (0 << DDRC_LMR_CMD_BIT) +#define DDRC_LMR_CMD_AUREF (1 << DDRC_LMR_CMD_BIT) +#define DDRC_LMR_CMD_LMR (2 << DDRC_LMR_CMD_BIT) + +#define DDRC_LMR_START BIT(0) + +/* DDRC Timing Config Register 1 */ +#define DDRC_TIMING1_TRTP_BIT 24 +#define DDRC_TIMING1_TRTP_MASK (0x3f << DDRC_TIMING1_TRTP_BIT) +#define DDRC_TIMING1_TWTR_BIT 16 +#define DDRC_TIMING1_TWTR_MASK (0x3f << DDRC_TIMING1_TWTR_BIT) +#define DDRC_TIMING1_TWTR_1 (0 << DDRC_TIMING1_TWTR_BIT) +#define DDRC_TIMING1_TWTR_2 (1 << DDRC_TIMING1_TWTR_BIT) +#define DDRC_TIMING1_TWTR_3 (2 << DDRC_TIMING1_TWTR_BIT) +#define DDRC_TIMING1_TWTR_4 (3 << DDRC_TIMING1_TWTR_BIT) +#define DDRC_TIMING1_TWR_BIT 8 +#define DDRC_TIMING1_TWR_MASK (0x3f << DDRC_TIMING1_TWR_BIT) +#define DDRC_TIMING1_TWR_1 (0 << DDRC_TIMING1_TWR_BIT) +#define DDRC_TIMING1_TWR_2 (1 << DDRC_TIMING1_TWR_BIT) +#define DDRC_TIMING1_TWR_3 (2 << DDRC_TIMING1_TWR_BIT) +#define DDRC_TIMING1_TWR_4 (3 << DDRC_TIMING1_TWR_BIT) +#define DDRC_TIMING1_TWR_5 (4 << DDRC_TIMING1_TWR_BIT) +#define DDRC_TIMING1_TWR_6 (5 << DDRC_TIMING1_TWR_BIT) +#define DDRC_TIMING1_TWL_BIT 0 +#define DDRC_TIMING1_TWL_MASK (0x3f << DDRC_TIMING1_TWL_BIT) + +/* DDRC Timing Config Register 2 */ +#define DDRC_TIMING2_TCCD_BIT 24 +#define DDRC_TIMING2_TCCD_MASK (0x3f << DDRC_TIMING2_TCCD_BIT) +#define DDRC_TIMING2_TRAS_BIT 16 +#define DDRC_TIMING2_TRAS_MASK (0x3f << DDRC_TIMING2_TRAS_BIT) +#define DDRC_TIMING2_TRCD_BIT 8 +#define DDRC_TIMING2_TRCD_MASK (0x3f << DDRC_TIMING2_TRCD_BIT) +#define DDRC_TIMING2_TRL_BIT 0 +#define DDRC_TIMING2_TRL_MASK (0x3f << DDRC_TIMING2_TRL_BIT) + +/* DDRC Timing Config Register 3 */ +#define DDRC_TIMING3_ONUM 27 +#define DDRC_TIMING3_TCKSRE_BIT 24 +#define DDRC_TIMING3_TCKSRE_MASK (0x3f << DDRC_TIMING3_TCKSRE_BIT) +#define DDRC_TIMING3_TRP_BIT 16 +#define DDRC_TIMING3_TRP_MASK (0x3f << DDRC_TIMING3_TRP_BIT) +#define DDRC_TIMING3_TRRD_BIT 8 +#define DDRC_TIMING3_TRRD_MASK (0x3f << DDRC_TIMING3_TRRD_BIT) +#define DDRC_TIMING3_TRRD_DISABLE (0 << DDRC_TIMING3_TRRD_BIT) +#define DDRC_TIMING3_TRRD_2 (1 << DDRC_TIMING3_TRRD_BIT) +#define DDRC_TIMING3_TRRD_3 (2 << DDRC_TIMING3_TRRD_BIT) +#define DDRC_TIMING3_TRRD_4 (3 << DDRC_TIMING3_TRRD_BIT) +#define DDRC_TIMING3_TRC_BIT 0 +#define DDRC_TIMING3_TRC_MASK (0x3f << DDRC_TIMING3_TRC_BIT) + +/* DDRC Timing Config Register 4 */ +#define DDRC_TIMING4_TRFC_BIT 24 +#define DDRC_TIMING4_TRFC_MASK (0x3f << DDRC_TIMING4_TRFC_BIT) +#define DDRC_TIMING4_TEXTRW_BIT 21 +#define DDRC_TIMING4_TEXTRW_MASK (0x7 << DDRC_TIMING4_TEXTRW_BIT) +#define DDRC_TIMING4_TRWCOV_BIT 19 +#define DDRC_TIMING4_TRWCOV_MASK (0x3 << DDRC_TIMING4_TRWCOV_BIT) +#define DDRC_TIMING4_TCKE_BIT 16 +#define DDRC_TIMING4_TCKE_MASK (0x7 << DDRC_TIMING4_TCKE_BIT) +#define DDRC_TIMING4_TMINSR_BIT 8 +#define DDRC_TIMING4_TMINSR_MASK (0xf << DDRC_TIMING4_TMINSR_BIT) +#define DDRC_TIMING4_TXP_BIT 4 +#define DDRC_TIMING4_TXP_MASK (0x7 << DDRC_TIMING4_TXP_BIT) +#define DDRC_TIMING4_TMRD_BIT 0 +#define DDRC_TIMING4_TMRD_MASK (0x3 << DDRC_TIMING4_TMRD_BIT) + +/* DDRC Timing Config Register 5 */ +#define DDRC_TIMING5_TCTLUPD_BIT 24 +#define DDRC_TIMING4_TCTLUPD_MASK (0x3f << DDRC_TIMING5_TCTLUDP_BIT) +#define DDRC_TIMING5_TRTW_BIT 16 +#define DDRC_TIMING5_TRTW_MASK (0x3f << DDRC_TIMING5_TRTW_BIT) +#define DDRC_TIMING5_TRDLAT_BIT 8 +#define DDRC_TIMING5_TRDLAT_MASK (0x3f << DDRC_TIMING5_TRDLAT_BIT) +#define DDRC_TIMING5_TWDLAT_BIT 0 +#define DDRC_TIMING5_TWDLAT_MASK (0x3f << DDRC_TIMING5_TWDLAT_BIT) + +/* DDRC Timing Config Register 6 */ +#define DDRC_TIMING6_TXSRD_BIT 24 +#define DDRC_TIMING6_TXSRD_MASK (0x3f << DDRC_TIMING6_TXSRD_BIT) +#define DDRC_TIMING6_TFAW_BIT 16 +#define DDRC_TIMING6_TFAW_MASK (0x3f << DDRC_TIMING6_TFAW_BIT) +#define DDRC_TIMING6_TCFGW_BIT 8 +#define DDRC_TIMING6_TCFGW_MASK (0x3f << DDRC_TIMING6_TCFGW_BIT) +#define DDRC_TIMING6_TCFGR_BIT 0 +#define DDRC_TIMING6_TCFGR_MASK (0x3f << DDRC_TIMING6_TCFGR_BIT) + +/* DDRC Auto-Refresh Counter */ +#define DDRC_REFCNT_CON_BIT 16 +#define DDRC_REFCNT_CON_MASK (0xff << DDRC_REFCNT_CON_BIT) +#define DDRC_REFCNT_CNT_BIT 8 +#define DDRC_REFCNT_CNT_MASK (0xff << DDRC_REFCNT_CNT_BIT) +#define DDRC_REFCNT_CLKDIV_BIT 1 +#define DDRC_REFCNT_CLKDIV_MASK (0x7 << DDRC_REFCNT_CLKDIV_BIT) +#define DDRC_REFCNT_REF_EN BIT(0) + +/* DDRC DQS Delay Control Register */ +#define DDRC_DQS_ERROR BIT(29) +#define DDRC_DQS_READY BIT(28) +#define DDRC_DQS_AUTO BIT(23) +#define DDRC_DQS_DET BIT(24) +#define DDRC_DQS_SRDET BIT(25) +#define DDRC_DQS_CLKD_BIT 16 +#define DDRC_DQS_CLKD_MASK (0x3f << DDRC_DQS_CLKD_BIT) +#define DDRC_DQS_WDQS_BIT 8 +#define DDRC_DQS_WDQS_MASK (0x3f << DDRC_DQS_WDQS_BIT) +#define DDRC_DQS_RDQS_BIT 0 +#define DDRC_DQS_RDQS_MASK (0x3f << DDRC_DQS_RDQS_BIT) + +/* DDRC DQS Delay Adjust Register */ +#define DDRC_DQS_ADJWDQS_BIT 8 +#define DDRC_DQS_ADJWDQS_MASK (0x1f << DDRC_DQS_ADJWDQS_BIT) +#define DDRC_DQS_ADJRDQS_BIT 0 +#define DDRC_DQS_ADJRDQS_MASK (0x1f << DDRC_DQS_ADJRDQS_BIT) + +/* DDRC Memory Map Config Register */ +#define DDRC_MMAP_BASE_BIT 8 +#define DDRC_MMAP_BASE_MASK (0xff << DDRC_MMAP_BASE_BIT) +#define DDRC_MMAP_MASK_BIT 0 +#define DDRC_MMAP_MASK_MASK (0xff << DDRC_MMAP_MASK_BIT) + +#define DDRC_MMAP0_BASE (0x20 << DDRC_MMAP_BASE_BIT) +#define DDRC_MMAP1_BASE_64M (0x24 << DDRC_MMAP_BASE_BIT) +#define DDRC_MMAP1_BASE_128M (0x28 << DDRC_MMAP_BASE_BIT) +#define DDRC_MMAP1_BASE_256M (0x30 << DDRC_MMAP_BASE_BIT) + +#define DDRC_MMAP_MASK_64_64 (0xfc << DDRC_MMAP_MASK_BIT) +#define DDRC_MMAP_MASK_128_128 (0xf8 << DDRC_MMAP_MASK_BIT) +#define DDRC_MMAP_MASK_256_256 (0xf0 << DDRC_MMAP_MASK_BIT) + +/* DDRP PHY Initialization Register */ +#define DDRP_PIR_INIT BIT(0) +#define DDRP_PIR_DLLSRST BIT(1) +#define DDRP_PIR_DLLLOCK BIT(2) +#define DDRP_PIR_ZCAL BIT(3) +#define DDRP_PIR_ITMSRST BIT(4) +#define DDRP_PIR_DRAMRST BIT(5) +#define DDRP_PIR_DRAMINT BIT(6) +#define DDRP_PIR_QSTRN BIT(7) +#define DDRP_PIR_EYETRN BIT(8) +#define DDRP_PIR_DLLBYP BIT(17) +/* DDRP PHY General Configurate Register */ +#define DDRP_PGCR_ITMDMD BIT(0) +#define DDRP_PGCR_DQSCFG BIT(1) +#define DDRP_PGCR_DFTCMP BIT(2) +#define DDRP_PGCR_DFTLMT_BIT 3 +#define DDRP_PGCR_DTOSEL_BIT 5 +#define DDRP_PGCR_CKEN_BIT 9 +#define DDRP_PGCR_CKDV_BIT 12 +#define DDRP_PGCR_CKINV BIT(14) +#define DDRP_PGCR_RANKEN_BIT 18 +#define DDRP_PGCR_ZCKSEL_32 (2 << 22) +#define DDRP_PGCR_PDDISDX BIT(24) +/* DDRP PHY General Status Register */ +#define DDRP_PGSR_IDONE BIT(0) +#define DDRP_PGSR_DLDONE BIT(1) +#define DDRP_PGSR_ZCDONE BIT(2) +#define DDRP_PGSR_DIDONE BIT(3) +#define DDRP_PGSR_DTDONE BIT(4) +#define DDRP_PGSR_DTERR BIT(5) +#define DDRP_PGSR_DTIERR BIT(6) +#define DDRP_PGSR_DFTEERR BIT(7) +/* DDRP DRAM Configuration Register */ +#define DDRP_DCR_TYPE_BIT 0 +#define DDRP_DCR_TYPE_MASK (0x7 << DDRP_DCR_TYPE_BIT) +#define DDRP_DCR_TYPE_MDDR (0 << DDRP_DCR_TYPE_BIT) +#define DDRP_DCR_TYPE_DDR (1 << DDRP_DCR_TYPE_BIT) +#define DDRP_DCR_TYPE_DDR2 (2 << DDRP_DCR_TYPE_BIT) +#define DDRP_DCR_TYPE_DDR3 (3 << DDRP_DCR_TYPE_BIT) +#define DDRP_DCR_TYPE_LPDDR2 (4 << DDRP_DCR_TYPE_BIT) +#define DDRP_DCR_DDR8BNK_BIT 3 +#define DDRP_DCR_DDR8BNK_MASK (1 << DDRP_DCR_DDR8BNK_BIT) +#define DDRP_DCR_DDR8BNK (1 << DDRP_DCR_DDR8BNK_BIT) +#define DDRP_DCR_DDR8BNK_DIS (0 << DDRP_DCR_DDR8BNK_BIT) + +#define DRP_DTRP1_RTODT BIT(11) + +#define DDRP_DXGCR_DXEN BIT(0) + +#define DDRP_ZQXCR_ZDEN_BIT 28 +#define DDRP_ZQXCR_ZDEN (1 << DDRP_ZQXCR_ZDEN_BIT) +#define DDRP_ZQXCR_PULLUP_IMPE_BIT 5 +#define DDRP_ZQXCR_PULLDOWN_IMPE_BIT 0 + +/* DDR3 Mode Register Set */ +#define DDR3_MR0_BL_BIT 0 +#define DDR3_MR0_BL_MASK (3 << DDR3_MR0_BL_BIT) +#define DDR3_MR0_BL_8 (0 << DDR3_MR0_BL_BIT) +#define DDR3_MR0_BL_fly (1 << DDR3_MR0_BL_BIT) +#define DDR3_MR0_BL_4 (2 << DDR3_MR0_BL_BIT) +#define DDR3_MR0_BT_BIT 3 +#define DDR3_MR0_BT_MASK (1 << DDR3_MR0_BT_BIT) +#define DDR3_MR0_BT_SEQ (0 << DDR3_MR0_BT_BIT) +#define DDR3_MR0_BT_INTER (1 << DDR3_MR0_BT_BIT) +#define DDR3_MR0_WR_BIT 9 + +#define DDR3_MR1_DLL_DISABLE 1 +#define DDR3_MR1_DIC_6 (0 << 5 | 0 << 1) +#define DDR3_MR1_DIC_7 (0 << 5 | BIT(1)) +#define DDR3_MR1_RTT_DIS (0 << 9 | 0 << 6 | 0 << 2) +#define DDR3_MR1_RTT_4 (0 << 9 | 0 << 6 | BIT(2)) +#define DDR3_MR1_RTT_2 (0 << 9 | BIT(6) | 0 << 2) +#define DDR3_MR1_RTT_6 (0 << 9 | BIT(6) | BIT(2)) +#define DDR3_MR1_RTT_12 (BIT(9) | 0 << 6 | 0 << 2) +#define DDR3_MR1_RTT_8 (BIT(9) | 0 << 6 | BIT(2)) + +#define DDR3_MR2_CWL_BIT 3 + +/* Parameters common to all RAM devices used */ + +/* Chip Select */ +/* CSEN : whether a ddr chip exists 0 - un-used, 1 - used */ +#define DDR_CS0EN 1 +/* CSEN : whether a ddr chip exists 0 - un-used, 1 - used */ +#define DDR_CS1EN 0 + +/* ROW : 12 to 18 row address, 1G only 512MB */ +#define DDR_ROW 15 +/* COL : 8 to 14 column address */ +#define DDR_COL 10 +/* Banks each chip: 0-4bank, 1-8bank */ +#define DDR_BANK8 1 +/* 0 - 16-bit data width, 1 - 32-bit data width */ +#define DDR_DW32 1 + +/* Refresh period: 64ms / 32768 = 1.95 us , 2 ^ 15 = 32768 */ +#define DDR_tREFI 7800 +/* Clock Divider */ +#define DDR_CLK_DIV 1 + +/* DDR3 Burst length: 0 - 8 burst, 2 - 4 burst , 1 - 4 or 8 (on the fly) */ +#define DDR_BL 8 + +/* CAS latency: 5 to 14, tCK */ +#define DDR_CL 6 +/* DDR3 only: CAS Write Latency, 5 to 8 */ +#define DDR_tCWL (DDR_CL - 1) + +/* Structure representing per-RAM type configuration */ + +struct jz4780_ddr_config { + u32 timing[6]; /* Timing1..6 register value */ + + /* DDR PHY control */ + u16 mr0; /* Mode Register 0 */ + u16 mr1; /* Mode Register 1 */ + + u32 ptr0; /* PHY Timing Register 0 */ + u32 ptr1; /* PHY Timing Register 1 */ + u32 ptr2; /* PHY Timing Register 1 */ + + u32 dtpr0; /* DRAM Timing Parameters Register 0 */ + u32 dtpr1; /* DRAM Timing Parameters Register 1 */ + u32 dtpr2; /* DRAM Timing Parameters Register 2 */ + + u8 pullup; /* PHY pullup impedance */ + u8 pulldn; /* PHY pulldown impedance */ +}; + +void pll_init(void); +void sdram_init(void); + +#endif /* __JZ4780_DRAM_H__ */ + diff --git a/arch/mips/mach-jz47xx/include/mach/jz4780_gpio.h b/arch/mips/mach-jz47xx/include/mach/jz4780_gpio.h new file mode 100644 index 00000000000..37f0892f7ba --- /dev/null +++ b/arch/mips/mach-jz47xx/include/mach/jz4780_gpio.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ + +#ifndef __JZ4780_GPIO_H__ +#define __JZ4780_GPIO_H__ + +#define JZ_GPIO(bank, pin) ((32 * (bank)) + (pin)) + +int jz47xx_gpio_get_value(unsigned int gpio); +void jz47xx_gpio_direction_input(unsigned int gpio); +void jz47xx_gpio_direction_output(unsigned int gpio, int value); + +#endif diff --git a/arch/mips/mach-jz47xx/jz4780/Makefile b/arch/mips/mach-jz47xx/jz4780/Makefile new file mode 100644 index 00000000000..5b3c3543272 --- /dev/null +++ b/arch/mips/mach-jz47xx/jz4780/Makefile @@ -0,0 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0+ + +obj-y := gpio.o jz4780.o pll.o reset.o sdram.o timer.o diff --git a/arch/mips/mach-jz47xx/jz4780/TODO b/arch/mips/mach-jz47xx/jz4780/TODO new file mode 100644 index 00000000000..99ad6225b0c --- /dev/null +++ b/arch/mips/mach-jz47xx/jz4780/TODO @@ -0,0 +1,4 @@ +- dm gpio driver +- ethernet driver for the dm9000 +- reduce the hundreds of definitions of register addresses to the ones really needed in assembly or SPL. +- define the remaining register base addresses as physical addresses and establish a mapping with ioremap_nocache() diff --git a/arch/mips/mach-jz47xx/jz4780/gpio.c b/arch/mips/mach-jz47xx/jz4780/gpio.c new file mode 100644 index 00000000000..cee2328ab1e --- /dev/null +++ b/arch/mips/mach-jz47xx/jz4780/gpio.c @@ -0,0 +1,39 @@ +// SPDX-License-Identifier: GPL-2.0+ + +#include +#include +#include +#include + +int jz47xx_gpio_get_value(unsigned int gpio) +{ + void __iomem *gpio_regs = (void __iomem *)GPIO_BASE; + int port = gpio / 32; + int pin = gpio % 32; + + return readl(gpio_regs + GPIO_PXPIN(port)) & BIT(pin); +} + +void jz47xx_gpio_direction_input(unsigned int gpio) +{ + void __iomem *gpio_regs = (void __iomem *)GPIO_BASE; + int port = gpio / 32; + int pin = gpio % 32; + + writel(BIT(pin), gpio_regs + GPIO_PXINTC(port)); + writel(BIT(pin), gpio_regs + GPIO_PXMASKS(port)); + writel(BIT(pin), gpio_regs + GPIO_PXPAT1S(port)); +} + +void jz47xx_gpio_direction_output(unsigned int gpio, int value) +{ + void __iomem *gpio_regs = (void __iomem *)GPIO_BASE; + int port = gpio / 32; + int pin = gpio % 32; + + writel(BIT(pin), gpio_regs + GPIO_PXINTC(port)); + writel(BIT(pin), gpio_regs + GPIO_PXMASKS(port)); + writel(BIT(pin), gpio_regs + GPIO_PXPAT1C(port)); + writel(BIT(pin), gpio_regs + + (value ? GPIO_PXPAT0S(port) : GPIO_PXPAT0C(port))); +} diff --git a/arch/mips/mach-jz47xx/jz4780/jz4780.c b/arch/mips/mach-jz47xx/jz4780/jz4780.c new file mode 100644 index 00000000000..dbd328cb49f --- /dev/null +++ b/arch/mips/mach-jz47xx/jz4780/jz4780.c @@ -0,0 +1,83 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * JZ4780 common routines + * + * Copyright (c) 2013 Imagination Technologies + * Author: Paul Burton + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef CONFIG_SPL_BUILD +/* Pointer to the global data structure for SPL */ +DECLARE_GLOBAL_DATA_PTR; +gd_t gdata __attribute__ ((section(".bss"))); + +void board_init_f(ulong dummy) +{ + typedef void __noreturn (*image_entry_noargs_t)(void); + struct mmc *mmc; + unsigned long count; + struct image_header *header; + int ret; + + /* Set global data pointer */ + gd = &gdata; + + timer_init(); + pll_init(); + sdram_init(); + enable_caches(); + + /* Clear the BSS */ + memset(__bss_start, 0, (char *)&__bss_end - __bss_start); + + gd->flags |= GD_FLG_SPL_INIT; + + ret = mmc_initialize(NULL); + if (ret) + hang(); + + mmc = find_mmc_device(BOOT_DEVICE_MMC1); + if (ret) + hang(); + + ret = mmc_init(mmc); + if (ret) + hang(); + + header = (struct image_header *)(CONFIG_SYS_TEXT_BASE - + sizeof(struct image_header)); + + count = blk_dread(mmc_get_blk_desc(mmc), + CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR, + 0x800, header); + if (count == 0) + hang(); + + image_entry_noargs_t image_entry = + (image_entry_noargs_t)CONFIG_SYS_TEXT_BASE; + + image_entry(); + + hang(); +} +#endif /* CONFIG_SPL_BUILD */ + +ulong board_get_usable_ram_top(ulong total_size) +{ + return CONFIG_SYS_SDRAM_BASE + (256 * 1024 * 1024); +} + +int print_cpuinfo(void) +{ + printf("CPU: Ingenic JZ4780\n"); + return 0; +} diff --git a/arch/mips/mach-jz47xx/jz4780/pll.c b/arch/mips/mach-jz47xx/jz4780/pll.c new file mode 100644 index 00000000000..9a46198f364 --- /dev/null +++ b/arch/mips/mach-jz47xx/jz4780/pll.c @@ -0,0 +1,530 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * JZ4780 PLL setup + * + * Copyright (c) 2013 Imagination Technologies + * Author: Paul Burton + */ + +#include +#include +#include +#include + +#define CPM_CPCCR 0x00 +#define CPM_LCR 0x04 +#define CPM_RSR 0x08 +#define CPM_CPPCR 0x0c +#define CPM_CPAPCR 0x10 +#define CPM_CPMPCR 0x14 +#define CPM_CPEPCR 0x18 +#define CPM_CPVPCR 0x1c +#define CPM_CLKGR0 0x20 +#define CPM_OPCR 0x24 +#define CPM_CLKGR1 0x28 +#define CPM_DDCDR 0x2c +#define CPM_VPUCDR 0x30 +#define CPM_CPSPR 0x34 +#define CPM_CPSPPR 0x38 +#define CPM_USBPCR 0x3c +#define CPM_USBRDT 0x40 +#define CPM_USBVBFIL 0x44 +#define CPM_USBPCR1 0x48 +#define CPM_USBCDR 0x50 +#define CPM_LPCDR 0x54 +#define CPM_I2SCDR 0x60 +#define CPM_LPCDR1 0x64 +#define CPM_MSCCDR 0x68 +#define CPM_UHCCDR 0x6c +#define CPM_SSICDR 0x74 +#define CPM_CIMCDR 0x7c +#define CPM_PCMCDR 0x84 +#define CPM_GPUCDR 0x88 +#define CPM_HDMICDR 0x8c +#define CPM_I2S1CDR 0xa0 +#define CPM_MSCCDR1 0xa4 +#define CPM_MSCCDR2 0xa8 +#define CPM_BCHCDR 0xac +#define CPM_SPCR0 0xb8 +#define CPM_SPCR1 0xbc +#define CPM_CPCSR 0xd4 +#define CPM_PSWCST(n) ((0x4 * (n)) + 0x90) + +/* Clock control register */ +#define CPM_CPCCR_SEL_SRC_BIT 30 +#define CPM_CPCCR_SEL_SRC_MASK (0x3 << CPM_CPCCR_SEL_SRC_BIT) +#define CPM_SRC_SEL_STOP 0 +#define CPM_SRC_SEL_APLL 1 +#define CPM_SRC_SEL_EXCLK 2 +#define CPM_SRC_SEL_RTCLK 3 +#define CPM_CPCCR_SEL_CPLL_BIT 28 +#define CPM_CPCCR_SEL_CPLL_MASK (0x3 << CPM_CPCCR_SEL_CPLL_BIT) +#define CPM_CPCCR_SEL_H0PLL_BIT 26 +#define CPM_CPCCR_SEL_H0PLL_MASK (0x3 << CPM_CPCCR_SEL_H0PLL_BIT) +#define CPM_CPCCR_SEL_H2PLL_BIT 24 +#define CPM_CPCCR_SEL_H2PLL_MASK (0x3 << CPM_CPCCR_SEL_H2PLL_BIT) +#define CPM_PLL_SEL_STOP 0 +#define CPM_PLL_SEL_SRC 1 +#define CPM_PLL_SEL_MPLL 2 +#define CPM_PLL_SEL_EPLL 3 +#define CPM_CPCCR_CE_CPU (0x1 << 22) +#define CPM_CPCCR_CE_AHB0 (0x1 << 21) +#define CPM_CPCCR_CE_AHB2 (0x1 << 20) +#define CPM_CPCCR_PDIV_BIT 16 +#define CPM_CPCCR_PDIV_MASK (0xf << CPM_CPCCR_PDIV_BIT) +#define CPM_CPCCR_H2DIV_BIT 12 +#define CPM_CPCCR_H2DIV_MASK (0xf << CPM_CPCCR_H2DIV_BIT) +#define CPM_CPCCR_H0DIV_BIT 8 +#define CPM_CPCCR_H0DIV_MASK (0x0f << CPM_CPCCR_H0DIV_BIT) +#define CPM_CPCCR_L2DIV_BIT 4 +#define CPM_CPCCR_L2DIV_MASK (0x0f << CPM_CPCCR_L2DIV_BIT) +#define CPM_CPCCR_CDIV_BIT 0 +#define CPM_CPCCR_CDIV_MASK (0x0f << CPM_CPCCR_CDIV_BIT) + +/* Clock Status register */ +#define CPM_CPCSR_H2DIV_BUSY BIT(2) +#define CPM_CPCSR_H0DIV_BUSY BIT(1) +#define CPM_CPCSR_CDIV_BUSY BIT(0) + +/* PLL control register */ +#define CPM_CPPCR_PLLST_BIT 0 +#define CPM_CPPCR_PLLST_MASK (0xff << CPM_CPPCR_PLLST_BIT) + +/* XPLL control register */ +#define CPM_CPXPCR_XPLLM_BIT 19 +#define CPM_CPXPCR_XPLLM_MASK (0x1fff << CPM_CPXPCR_XPLLM_BIT) +#define CPM_CPXPCR_XPLLN_BIT 13 +#define CPM_CPXPCR_XPLLN_MASK (0x3f << CPM_CPXPCR_XPLLN_BIT) +#define CPM_CPXPCR_XPLLOD_BIT 9 +#define CPM_CPXPCR_XPLLOD_MASK (0xf << CPM_CPXPCR_XPLLOD_BIT) +#define CPM_CPXPCR_XLOCK BIT(6) +#define CPM_CPXPCR_XPLL_ON BIT(4) +#define CPM_CPXPCR_XF_MODE BIT(3) +#define CPM_CPXPCR_XPLLBP BIT(1) +#define CPM_CPXPCR_XPLLEN BIT(0) + +/* CPM scratch protected register */ +#define CPM_CPSPPR_BIT 0 +#define CPM_CPSPPR_MASK (0xffff << CPM_CPSPPR_BIT) + +/* USB parameter control register */ +#define CPM_USBPCR_USB_MODE BIT(31) /* 1: OTG, 0: UDC*/ +#define CPM_USBPCR_AVLD_REG BIT(30) +#define CPM_USBPCR_IDPULLUP_MASK_BIT 28 +#define CPM_USBPCR_IDPULLUP_MASK_MASK (0x02 << IDPULLUP_MASK_BIT) +#define CPM_USBPCR_INCR_MASK BIT(27) +#define CPM_USBPCR_CLK12_EN BIT(26) +#define CPM_USBPCR_COMMONONN BIT(25) +#define CPM_USBPCR_VBUSVLDEXT BIT(24) +#define CPM_USBPCR_VBUSVLDEXTSEL BIT(23) +#define CPM_USBPCR_POR BIT(22) +#define CPM_USBPCR_SIDDQ BIT(21) +#define CPM_USBPCR_OTG_DISABLE BIT(20) +#define CPM_USBPCR_COMPDISTUNE_BIT 17 +#define CPM_USBPCR_COMPDISTUNE_MASK (0x07 << COMPDISTUNE_BIT) +#define CPM_USBPCR_OTGTUNE_BIT 14 +#define CPM_USBPCR_OTGTUNE_MASK (0x07 << OTGTUNE_BIT) +#define CPM_USBPCR_SQRXTUNE_BIT 11 +#define CPM_USBPCR_SQRXTUNE_MASK (0x7x << SQRXTUNE_BIT) +#define CPM_USBPCR_TXFSLSTUNE_BIT 7 +#define CPM_USBPCR_TXFSLSTUNE_MASK (0x0f << TXFSLSTUNE_BIT) +#define CPM_USBPCR_TXPREEMPHTUNE BIT(6) +#define CPM_USBPCR_TXRISETUNE_BIT 4 +#define CPM_USBPCR_TXRISETUNE_MASK (0x03 << TXRISETUNE_BIT) +#define CPM_USBPCR_TXVREFTUNE_BIT 0 +#define CPM_USBPCR_TXVREFTUNE_MASK (0x0f << TXVREFTUNE_BIT) + +/* DDR memory clock divider register */ +#define CPM_DDRCDR_DCS_BIT 30 +#define CPM_DDRCDR_DCS_MASK (0x3 << CPM_DDRCDR_DCS_BIT) +#define CPM_DDRCDR_DCS_STOP (0x0 << CPM_DDRCDR_DCS_BIT) +#define CPM_DDRCDR_DCS_SRC (0x1 << CPM_DDRCDR_DCS_BIT) +#define CPM_DDRCDR_DCS_MPLL (0x2 << CPM_DDRCDR_DCS_BIT) +#define CPM_DDRCDR_CE_DDR BIT(29) +#define CPM_DDRCDR_DDR_BUSY BIT(28) +#define CPM_DDRCDR_DDR_STOP BIT(27) +#define CPM_DDRCDR_DDRDIV_BIT 0 +#define CPM_DDRCDR_DDRDIV_MASK (0xf << CPM_DDRCDR_DDRDIV_BIT) + +/* USB reset detect timer register */ +#define CPM_USBRDT_VBFIL_LD_EN BIT(25) +#define CPM_USBRDT_IDDIG_EN BIT(24) +#define CPM_USBRDT_IDDIG_REG BIT(23) +#define CPM_USBRDT_USBRDT_BIT 0 +#define CPM_USBRDT_USBRDT_MASK (0x7fffff << CPM_USBRDT_USBRDT_BIT) + +/* USB OTG PHY clock divider register */ +#define CPM_USBCDR_UCS BIT(31) +#define CPM_USBCDR_UPCS BIT(30) +#define CPM_USBCDR_CEUSB BIT(29) +#define CPM_USBCDR_USB_BUSY BIT(28) +#define CPM_USBCDR_OTGDIV_BIT 0 +#define CPM_USBCDR_OTGDIV_MASK (0xff << CPM_USBCDR_OTGDIV_BIT) + +/* I2S device clock divider register */ +#define CPM_I2SCDR_I2CS BIT(31) +#define CPM_I2SCDR_I2PCS BIT(30) +#define CPM_I2SCDR_I2SDIV_BIT 0 +#define CPM_I2SCDR_I2SDIV_MASK (0x1ff << CPM_I2SCDR_I2SDIV_BIT) + +/* LCD0 pix clock divider register */ +#define CPM_LPCDR_LPCS_BIT 30 +#define CPM_LPCDR_LPCS_MASK (0x3 << CPM_LPCDR_LPCS_BIT) +#define CPM_LPCDR_CELCD BIT(28) +#define CPM_LPCDR_LCD_BUSY BIT(27) +#define CPM_LPCDR_LCD_STOP BIT(26) +#define CPM_LPCDR_PIXDIV_BIT 0 +#define CPM_LPCDR_PIXDIV_MASK (0xff << CPM_LPCDR_PIXDIV_BIT) + +/* MSC clock divider register */ +#define CPM_MSCCDR_MPCS_BIT 30 +#define CPM_MSCCDR_MPCS_MASK (3 << CPM_MSCCDR_MPCS_BIT) +#define CPM_MSCCDR_MPCS_STOP (0x0 << CPM_MSCCDR_MPCS_BIT) +#define CPM_MSCCDR_MPCS_SRC (0x1 << CPM_MSCCDR_MPCS_BIT) +#define CPM_MSCCDR_MPCS_MPLL (0x2 << CPM_MSCCDR_MPCS_BIT) +#define CPM_MSCCDR_CE BIT(29) +#define CPM_MSCCDR_MSC_BUSY BIT(28) +#define CPM_MSCCDR_MSC_STOP BIT(27) +#define CPM_MSCCDR_MSC_CLK0_SEL BIT(15) +#define CPM_MSCCDR_MSCDIV_BIT 0 +#define CPM_MSCCDR_MSCDIV_MASK (0xff << CPM_MSCCDR_MSCDIV_BIT) + +/* UHC 48M clock divider register */ +#define CPM_UHCCDR_UHCS_BIT 30 +#define CPM_UHCCDR_UHCS_MASK (0x3 << CPM_UHCCDR_UHCS_BIT) +#define CPM_UHCCDR_UHCS_SRC (0x0 << CPM_UHCCDR_UHCS_BIT) +#define CPM_UHCCDR_UHCS_MPLL (0x1 << CPM_UHCCDR_UHCS_BIT) +#define CPM_UHCCDR_UHCS_EPLL (0x2 << CPM_UHCCDR_UHCS_BIT) +#define CPM_UHCCDR_UHCS_OTG (0x3 << CPM_UHCCDR_UHCS_BIT) +#define CPM_UHCCDR_CE_UHC BIT(29) +#define CPM_UHCCDR_UHC_BUSY BIT(28) +#define CPM_UHCCDR_UHC_STOP BIT(27) +#define CPM_UHCCDR_UHCDIV_BIT 0 +#define CPM_UHCCDR_UHCDIV_MASK (0xff << CPM_UHCCDR_UHCDIV_BIT) + +/* SSI clock divider register */ +#define CPM_SSICDR_SCS BIT(31) +#define CPM_SSICDR_SSIDIV_BIT 0 +#define CPM_SSICDR_SSIDIV_MASK (0x3f << CPM_SSICDR_SSIDIV_BIT) + +/* CIM MCLK clock divider register */ +#define CPM_CIMCDR_CIMDIV_BIT 0 +#define CPM_CIMCDR_CIMDIV_MASK (0xff << CPM_CIMCDR_CIMDIV_BIT) + +/* GPS clock divider register */ +#define CPM_GPSCDR_GPCS BIT(31) +#define CPM_GPSCDR_GPSDIV_BIT 0 +#define CPM_GSPCDR_GPSDIV_MASK (0xf << CPM_GPSCDR_GPSDIV_BIT) + +/* PCM device clock divider register */ +#define CPM_PCMCDR_PCMS BIT(31) +#define CPM_PCMCDR_PCMPCS BIT(30) +#define CPM_PCMCDR_PCMDIV_BIT 0 +#define CPM_PCMCDR_PCMDIV_MASK (0x1ff << CPM_PCMCDR_PCMDIV_BIT) + +/* GPU clock divider register */ +#define CPM_GPUCDR_GPCS BIT(31) +#define CPM_GPUCDR_GPUDIV_BIT 0 +#define CPM_GPUCDR_GPUDIV_MASK (0x7 << CPM_GPUCDR_GPUDIV_BIT) + +/* HDMI clock divider register */ +#define CPM_HDMICDR_HPCS_BIT 30 +#define CPM_HDMICDR_HPCS_MASK (0x3 << CPM_HDMICDR_HPCS_BIT) +#define CPM_HDMICDR_CEHDMI BIT(29) +#define CPM_HDMICDR_HDMI_BUSY BIT(28) +#define CPM_HDMICDR_HDMI_STOP BIT(26) +#define CPM_HDMICDR_HDMIDIV_BIT 0 +#define CPM_HDMICDR_HDMIDIV_MASK (0xff << CPM_HDMICDR_HDMIDIV_BIT) + +/* Low Power Control Register */ +#define CPM_LCR_PD_SCPU BIT(31) +#define CPM_LCR_PD_VPU BIT(30) +#define CPM_LCR_PD_GPU BIT(29) +#define CPM_LCR_PD_GPS BIT(28) +#define CPM_LCR_SCPUS BIT(27) +#define CPM_LCR_VPUS BIT(26) +#define CPM_LCR_GPUS BIT(25) +#define CPM_LCR_GPSS BIT(24) +#define CPM_LCR_GPU_IDLE BIT(20) +#define CPM_LCR_PST_BIT 8 +#define CPM_LCR_PST_MASK (0xfff << CPM_LCR_PST_BIT) +#define CPM_LCR_DOZE_DUTY_BIT 3 +#define CPM_LCR_DOZE_DUTY_MASK (0x1f << CPM_LCR_DOZE_DUTY_BIT) +#define CPM_LCR_DOZE_ON BIT(2) +#define CPM_LCR_LPM_BIT 0 +#define CPM_LCR_LPM_MASK (0x3 << CPM_LCR_LPM_BIT) +#define CPM_LCR_LPM_IDLE (0x0 << CPM_LCR_LPM_BIT) +#define CPM_LCR_LPM_SLEEP (0x1 << CPM_LCR_LPM_BIT) + +/* Clock Gate Register0 */ +#define CPM_CLKGR0_DDR1 BIT(31) +#define CPM_CLKGR0_DDR0 BIT(30) +#define CPM_CLKGR0_IPU BIT(29) +#define CPM_CLKGR0_LCD1 BIT(28) +#define CPM_CLKGR0_LCD BIT(27) +#define CPM_CLKGR0_CIM BIT(26) +#define CPM_CLKGR0_I2C2 BIT(25) +#define CPM_CLKGR0_UHC BIT(24) +#define CPM_CLKGR0_MAC BIT(23) +#define CPM_CLKGR0_GPS BIT(22) +#define CPM_CLKGR0_PDMAC BIT(21) +#define CPM_CLKGR0_SSI2 BIT(20) +#define CPM_CLKGR0_SSI1 BIT(19) +#define CPM_CLKGR0_UART3 BIT(18) +#define CPM_CLKGR0_UART2 BIT(17) +#define CPM_CLKGR0_UART1 BIT(16) +#define CPM_CLKGR0_UART0 BIT(15) +#define CPM_CLKGR0_SADC BIT(14) +#define CPM_CLKGR0_KBC BIT(13) +#define CPM_CLKGR0_MSC2 BIT(12) +#define CPM_CLKGR0_MSC1 BIT(11) +#define CPM_CLKGR0_OWI BIT(10) +#define CPM_CLKGR0_TSSI BIT(9) +#define CPM_CLKGR0_AIC BIT(8) +#define CPM_CLKGR0_SCC BIT(7) +#define CPM_CLKGR0_I2C1 BIT(6) +#define CPM_CLKGR0_I2C0 BIT(5) +#define CPM_CLKGR0_SSI0 BIT(4) +#define CPM_CLKGR0_MSC0 BIT(3) +#define CPM_CLKGR0_OTG BIT(2) +#define CPM_CLKGR0_BCH BIT(1) +#define CPM_CLKGR0_NEMC BIT(0) + +/* Clock Gate Register1 */ +#define CPM_CLKGR1_P1 BIT(15) +#define CPM_CLKGR1_X2D BIT(14) +#define CPM_CLKGR1_DES BIT(13) +#define CPM_CLKGR1_I2C4 BIT(12) +#define CPM_CLKGR1_AHB BIT(11) +#define CPM_CLKGR1_UART4 BIT(10) +#define CPM_CLKGR1_HDMI BIT(9) +#define CPM_CLKGR1_OTG1 BIT(8) +#define CPM_CLKGR1_GPVLC BIT(7) +#define CPM_CLKGR1_AIC1 BIT(6) +#define CPM_CLKGR1_COMPRES BIT(5) +#define CPM_CLKGR1_GPU BIT(4) +#define CPM_CLKGR1_PCM BIT(3) +#define CPM_CLKGR1_VPU BIT(2) +#define CPM_CLKGR1_TSSI1 BIT(1) +#define CPM_CLKGR1_I2C3 BIT(0) + +/* Oscillator and Power Control Register */ +#define CPM_OPCR_O1ST_BIT 8 +#define CPM_OPCR_O1ST_MASK (0xff << CPM_OPCR_O1ST_BIT) +#define CPM_OPCR_SPENDN BIT(7) +#define CPM_OPCR_GPSEN BIT(6) +#define CPM_OPCR_SPENDH BIT(5) +#define CPM_OPCR_O1SE BIT(4) +#define CPM_OPCR_ERCS BIT(2) /* 0: select EXCLK/512 clock, 1: RTCLK clock */ +#define CPM_OPCR_USBM BIT(0) /* 0: select EXCLK/512 clock, 1: RTCLK clock */ + +/* Reset Status Register */ +#define CPM_RSR_P0R BIT(2) +#define CPM_RSR_WR BIT(1) +#define CPM_RSR_PR BIT(0) + +/* BCH clock divider register */ +#define CPM_BCHCDR_BPCS_BIT 30 +#define CPM_BCHCDR_BPCS_MASK (0x3 << CPM_BCHCDR_BPCS_BIT) +#define CPM_BCHCDR_BPCS_STOP (0X0 << CPM_BCHCDR_BPCS_BIT) +#define CPM_BCHCDR_BPCS_SRC_CLK (0x1 << CPM_BCHCDR_BPCS_BIT) +#define CPM_BCHCDR_BPCS_MPLL (0x2 << CPM_BCHCDR_BPCS_BIT) +#define CPM_BCHCDR_BPCS_EPLL (0x3 << CPM_BCHCDR_BPCS_BIT) +#define CPM_BCHCDR_CE_BCH BIT(29) +#define CPM_BCHCDR_BCH_BUSY BIT(28) +#define CPM_BCHCDR_BCH_STOP BIT(27) +#define CPM_BCHCDR_BCHCDR_BIT 0 +#define CPM_BCHCDR_BCHCDR_MASK (0x7 << CPM_BCHCDR_BCHCDR_BIT) + +/* CPM scratch pad protected register(CPSPPR) */ +#define CPSPPR_CPSPR_WRITABLE 0x00005a5a +#define RECOVERY_SIGNATURE 0x1a1a /* means "RECY" */ +#define RECOVERY_SIGNATURE_SEC 0x800 /* means "RECY" */ + +#define REBOOT_SIGNATURE 0x3535 /* means reboot */ + +/* XPLL control register */ +#define XLOCK (1 << 6) +#define XPLL_ON (1 << 4) +#define XF_MODE (1 << 3) +#define XPLLBP (1 << 1) +#define XPLLEN (1 << 0) + +enum PLLS { + EXTCLK = 0, + APLL, + MPLL, + EPLL, + VPLL, +}; + +#define M_N_OD(m, n, od) \ + ((((m) - 1) << 19) | (((n) - 1) << 13) | (((od) - 1) << 9)) + +struct cgu_pll_select { + u8 reg; + u8 pll; + u8 pll_shift; +}; + +static void pll_init_one(int pll, int m, int n, int od) +{ + void __iomem *cpm_regs = (void __iomem *)CPM_BASE; + void __iomem *pll_reg = cpm_regs + CPM_CPAPCR + ((pll - 1) * 4); + + setbits_le32(pll_reg, M_N_OD(m, n, od) | XPLLEN); + + /* FIXME */ + while (!(readl(pll_reg) & XPLL_ON)) + ; +} + +static void cpu_mux_select(int pll) +{ + void __iomem *cpm_regs = (void __iomem *)CPM_BASE; + u32 clk_ctrl; + unsigned int selectplls[] = { + CPM_PLL_SEL_STOP, + CPM_PLL_SEL_SRC, + CPM_PLL_SEL_MPLL, + CPM_PLL_SEL_EPLL + }; + + /* Init CPU, L2CACHE, AHB0, AHB2, APB clock */ + clk_ctrl = CPM_CPCCR_CE_CPU | CPM_CPCCR_CE_AHB0 | CPM_CPCCR_CE_AHB2 | + ((6 - 1) << CPM_CPCCR_H2DIV_BIT) | + ((3 - 1) << CPM_CPCCR_H0DIV_BIT) | + ((2 - 1) << CPM_CPCCR_L2DIV_BIT) | + ((1 - 1) << CPM_CPCCR_CDIV_BIT); + + if (CONFIG_SYS_MHZ >= 1000) + clk_ctrl |= (12 - 1) << CPM_CPCCR_PDIV_BIT; + else + clk_ctrl |= (6 - 1) << CPM_CPCCR_PDIV_BIT; + + clrsetbits_le32(cpm_regs + CPM_CPCCR, 0x00ffffff, clk_ctrl); + + while (readl(cpm_regs + CPM_CPCSR) & (CPM_CPCSR_CDIV_BUSY | + CPM_CPCSR_H0DIV_BUSY | CPM_CPCSR_H2DIV_BUSY)) + ; + + clk_ctrl = (selectplls[pll] << CPM_CPCCR_SEL_CPLL_BIT) | + (selectplls[MPLL] << CPM_CPCCR_SEL_H0PLL_BIT) | + (selectplls[MPLL] << CPM_CPCCR_SEL_H2PLL_BIT); + if (pll == APLL) + clk_ctrl |= CPM_PLL_SEL_SRC << CPM_CPCCR_SEL_SRC_BIT; + else + clk_ctrl |= CPM_SRC_SEL_EXCLK << CPM_CPCCR_SEL_SRC_BIT; + + clrsetbits_le32(cpm_regs + CPM_CPCCR, 0xff << 24, clk_ctrl); +} + +static void ddr_mux_select(int pll) +{ + void __iomem *cpm_regs = (void __iomem *)CPM_BASE; + int selectplls[] = { CPM_DDRCDR_DCS_STOP, + CPM_DDRCDR_DCS_SRC, + CPM_DDRCDR_DCS_MPLL}; + + writel(selectplls[pll] | CPM_DDRCDR_CE_DDR | (JZ4780_SYS_MEM_DIV - 1), + cpm_regs + CPM_DDCDR); + + while (readl(cpm_regs + CPM_DDCDR) & CPM_DDRCDR_DDR_BUSY) + ; + + clrbits_le32(cpm_regs + CPM_CLKGR0, CPM_CLKGR0_DDR0); + + mdelay(200); +} + +static void cgu_mux_init(struct cgu_pll_select *cgu, unsigned int num) +{ + void __iomem *cpm_regs = (void __iomem *)CPM_BASE; + unsigned int selectplls[] = {0, 1, 2, 3, 2, 6}; + int i; + + for (i = 0; i < num; i++) + writel(selectplls[cgu[i].pll] << cgu[i].pll_shift, + cpm_regs + cgu[i].reg); +} + +void pll_init(void) +{ + void __iomem *cpm_regs = (void __iomem *)CPM_BASE; + struct cgu_pll_select cgu_mux[] = { + { CPM_MSCCDR, MPLL, 30 }, + { CPM_LPCDR, VPLL, 30 }, + { CPM_LPCDR1, VPLL, 30 }, + { CPM_GPUCDR, MPLL, 30 }, + { CPM_HDMICDR, VPLL, 30 }, + { CPM_I2SCDR, EPLL, 30 }, + { CPM_BCHCDR, MPLL, 30 }, + { CPM_VPUCDR, 0x1, 30 }, + { CPM_UHCCDR, 0x3, 30 }, + { CPM_CIMCDR, 0x1, 31 }, + { CPM_PCMCDR, 0x5, 29 }, + { CPM_SSICDR, 0x3, 30 }, + }; + + /* PLL stable time set to default -- 1ms */ + clrsetbits_le32(cpm_regs + CPM_CPPCR, 0xfffff, (16 << 8) | 0x20); + + pll_init_one(APLL, JZ4780_APLL_M, JZ4780_APLL_N, JZ4780_APLL_OD); + pll_init_one(MPLL, JZ4780_MPLL_M, JZ4780_MPLL_N, JZ4780_MPLL_OD); + pll_init_one(VPLL, JZ4780_VPLL_M, JZ4780_VPLL_N, JZ4780_VPLL_OD); + pll_init_one(EPLL, JZ4780_EPLL_M, JZ4780_EPLL_N, JZ4780_EPLL_OD); + + cpu_mux_select(MPLL); + ddr_mux_select(MPLL); + cgu_mux_init(cgu_mux, ARRAY_SIZE(cgu_mux)); +} + +const u32 jz4780_clk_get_efuse_clk(void) +{ + void __iomem *cpm_regs = (void __iomem *)CPM_BASE; + u32 cpccr = readl(cpm_regs + CPM_CPCCR); + u32 ahb2_div = ((cpccr & CPM_CPCCR_H2DIV_MASK) >> + CPM_CPCCR_H2DIV_BIT) + 1; + return JZ4780_SYS_MEM_SPEED / ahb2_div; +} + +void jz4780_clk_ungate_ethernet(void) +{ + void __iomem *cpm_regs = (void __iomem *)CPM_BASE; + + clrbits_le32(cpm_regs + CPM_CLKGR0, CPM_CLKGR0_MAC); + clrbits_le32(cpm_regs + CPM_CLKGR0, CPM_CLKGR0_NEMC); +} + +void jz4780_clk_ungate_mmc(void) +{ + void __iomem *cpm_regs = (void __iomem *)CPM_BASE; + u32 msc_cdr = JZ4780_SYS_MEM_SPEED / 24000000 / 2 - 1; + + msc_cdr |= CPM_MSCCDR_MPCS_MPLL | CPM_MSCCDR_CE; + writel(msc_cdr, cpm_regs + CPM_MSCCDR); + writel(msc_cdr, cpm_regs + CPM_MSCCDR1); + writel(msc_cdr, cpm_regs + CPM_MSCCDR2); + + /* The wait_for_bit() won't fit, thus unbounded loop here. */ + while (readl(cpm_regs + CPM_MSCCDR1) & CPM_MSCCDR_MSC_BUSY) + ; +} + +void jz4780_clk_ungate_uart(const unsigned int uart) +{ + void __iomem *cpm_regs = (void __iomem *)CPM_BASE; + + if (uart == 0) + clrbits_le32(cpm_regs + CPM_CLKGR0, CPM_CLKGR0_UART0); + else if (uart == 1) + clrbits_le32(cpm_regs + CPM_CLKGR0, CPM_CLKGR0_UART1); + else if (uart == 2) + clrbits_le32(cpm_regs + CPM_CLKGR0, CPM_CLKGR0_UART2); + else if (uart == 3) + clrbits_le32(cpm_regs + CPM_CLKGR0, CPM_CLKGR0_UART3); + else if (uart == 4) + clrbits_le32(cpm_regs + CPM_CLKGR1, CPM_CLKGR1_UART4); + else + printf("%s[%i]: Invalid UART %d\n", __func__, __LINE__, uart); +} diff --git a/arch/mips/mach-jz47xx/jz4780/reset.c b/arch/mips/mach-jz47xx/jz4780/reset.c new file mode 100644 index 00000000000..73af34721f2 --- /dev/null +++ b/arch/mips/mach-jz47xx/jz4780/reset.c @@ -0,0 +1,53 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * JZ4780 common routines + * + * Copyright (c) 2013 Imagination Technologies + * Author: Paul Burton + */ + +#include +#include +#include +#include + +/* WDT */ +#define WDT_TDR 0x00 +#define WDT_TCER 0x04 +#define WDT_TCNT 0x08 +#define WDT_TCSR 0x0C + +/* Register definition */ +#define WDT_TCSR_PRESCALE_BIT 3 +#define WDT_TCSR_PRESCALE_MASK (0x7 << WDT_TCSR_PRESCALE_BIT) + #define WDT_TCSR_PRESCALE1 (0x0 << WDT_TCSR_PRESCALE_BIT) + #define WDT_TCSR_PRESCALE4 (0x1 << WDT_TCSR_PRESCALE_BIT) + #define WDT_TCSR_PRESCALE16 (0x2 << WDT_TCSR_PRESCALE_BIT) + #define WDT_TCSR_PRESCALE64 (0x3 << WDT_TCSR_PRESCALE_BIT) + #define WDT_TCSR_PRESCALE256 (0x4 << WDT_TCSR_PRESCALE_BIT) + #define WDT_TCSR_PRESCALE1024 (0x5 << WDT_TCSR_PRESCALE_BIT) +#define WDT_TCSR_EXT_EN BIT(2) +#define WDT_TCSR_RTC_EN BIT(1) +#define WDT_TCSR_PCK_EN BIT(0) + +#define WDT_TCER_TCEN BIT(0) + +void _machine_restart(void) +{ + void __iomem *wdt_regs = (void __iomem *)WDT_BASE; + + /* EXTAL as the timer clock input. */ + writew(WDT_TCSR_PRESCALE1 | WDT_TCSR_EXT_EN, wdt_regs + WDT_TCSR); + + /* Reset the WDT counter and timeout. */ + writew(0, wdt_regs + WDT_TCNT); + writew(0, wdt_regs + WDT_TDR); + + jz4780_tcu_wdt_start(); + + /* WDT start */ + writeb(WDT_TCER_TCEN, wdt_regs + WDT_TCER); + + for (;;) + ; +} diff --git a/arch/mips/mach-jz47xx/jz4780/sdram.c b/arch/mips/mach-jz47xx/jz4780/sdram.c new file mode 100644 index 00000000000..5b25c8d0021 --- /dev/null +++ b/arch/mips/mach-jz47xx/jz4780/sdram.c @@ -0,0 +1,270 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * JZ4780 DDR initialization + * + * Copyright (c) 2013 Imagination Technologies + * Author: Paul Burton + * + * Based on spl/common/{jz4780_ddr,jz_ddr3_init}.c from X-Boot + * Copyright (c) 2006-2013 Ingenic Semiconductor + */ + +#include +#include +#include +#include + +static const u32 get_mem_clk(void) +{ + const u32 mpll_out = ((u64)JZ4780_SYS_EXTAL * JZ4780_MPLL_M) / + (JZ4780_MPLL_N * JZ4780_MPLL_OD); + return mpll_out / JZ4780_SYS_MEM_DIV; +} + +u32 sdram_size(int cs) +{ + u32 dw = DDR_DW32 ? 4 : 2; + u32 banks = DDR_BANK8 ? 8 : 4; + u32 size = 0; + + if ((cs == 0) && DDR_CS0EN) { + size = (1 << (DDR_ROW + DDR_COL)) * dw * banks; + if (DDR_CS1EN && (size > 0x20000000)) + size = 0x20000000; + } else if ((cs == 1) && DDR_CS1EN) { + size = (1 << (DDR_ROW + DDR_COL)) * dw * banks; + } + + return size; +} + +static void ddr_cfg_init(void) +{ + void __iomem *ddr_ctl_regs = (void __iomem *)DDRC_BASE; + u32 ddrc_cfg, tmp; + + tmp = DDR_CL; + if (tmp) + tmp--; + if (tmp > 4) + tmp = 4; + + ddrc_cfg = DDRC_CFG_TYPE_DDR3 | DDRC_CFG_IMBA | + DDR_DW32 | DDRC_CFG_MPRT | ((tmp | 0x8) << 2) | + ((DDR_ROW - 12) << 11) | ((DDR_COL - 8) << 8) | + (DDR_CS0EN << 6) | (DDR_BANK8 << 1) | + ((DDR_ROW - 12) << 27) | ((DDR_COL - 8) << 24) | + (DDR_CS1EN << 7) | (DDR_BANK8 << 23); + + if (DDR_BL > 4) + ddrc_cfg |= BIT(21); + + writel(ddrc_cfg, ddr_ctl_regs + DDRC_CFG); +} + +static void ddr_phy_init(const struct jz4780_ddr_config *ddr_config) +{ + void __iomem *ddr_ctl_regs = (void __iomem *)DDRC_BASE; + void __iomem *ddr_phy_regs = ddr_ctl_regs + DDR_PHY_OFFSET; + unsigned int count = 0, i; + u32 reg, mask; + + writel(DDRP_DCR_TYPE_DDR3 | (DDR_BANK8 << 3), ddr_phy_regs + DDRP_DCR); + + writel(ddr_config->mr0, ddr_phy_regs + DDRP_MR0); + writel(ddr_config->mr1, ddr_phy_regs + DDRP_MR1); + writel(0, ddr_phy_regs + DDRP_ODTCR); + writel(0, ddr_phy_regs + DDRP_MR2); + + writel(ddr_config->ptr0, ddr_phy_regs + DDRP_PTR0); + writel(ddr_config->ptr1, ddr_phy_regs + DDRP_PTR1); + writel(ddr_config->ptr2, ddr_phy_regs + DDRP_PTR2); + + writel(ddr_config->dtpr0, ddr_phy_regs + DDRP_DTPR0); + writel(ddr_config->dtpr1, ddr_phy_regs + DDRP_DTPR1); + writel(ddr_config->dtpr2, ddr_phy_regs + DDRP_DTPR2); + + writel(DDRP_PGCR_DQSCFG | (7 << DDRP_PGCR_CKEN_BIT) | + (2 << DDRP_PGCR_CKDV_BIT) | + (DDR_CS0EN | (DDR_CS1EN << 1)) << DDRP_PGCR_RANKEN_BIT | + DDRP_PGCR_ZCKSEL_32 | DDRP_PGCR_PDDISDX, + ddr_phy_regs + DDRP_PGCR); + + for (i = 0; i < 8; i++) + clrbits_le32(ddr_phy_regs + DDRP_DXGCR(i), 0x3 << 9); + + count = 0; + mask = DDRP_PGSR_IDONE | DDRP_PGSR_DLDONE | DDRP_PGSR_ZCDONE; + for (;;) { + reg = readl(ddr_phy_regs + DDRP_PGSR); + if ((reg == mask) || (reg == 0x1f)) + break; + if (count++ == 10000) + hang(); + } + + /* DQS extension and early set to 1 */ + clrsetbits_le32(ddr_phy_regs + DDRP_DSGCR, 0x7E << 4, 0x12 << 4); + + /* 500 pull up and 500 pull down */ + clrsetbits_le32(ddr_phy_regs + DDRP_DXCCR, 0xFF << 4, 0xC4 << 4); + + /* Initialise phy */ + writel(DDRP_PIR_INIT | DDRP_PIR_DRAMINT | DDRP_PIR_DRAMRST, + ddr_phy_regs + DDRP_PIR); + + count = 0; + mask |= DDRP_PGSR_DIDONE; + for (;;) { + reg = readl(ddr_phy_regs + DDRP_PGSR); + if ((reg == mask) || (reg == 0x1f)) + break; + if (count++ == 20000) + hang(); + } + + writel(DDRP_PIR_INIT | DDRP_PIR_QSTRN, ddr_phy_regs + DDRP_PIR); + + count = 0; + mask |= DDRP_PGSR_DTDONE; + for (;;) { + reg = readl(ddr_phy_regs + DDRP_PGSR); + if (reg == mask) + break; + if (count++ != 50000) + continue; + reg &= DDRP_PGSR_DTDONE | DDRP_PGSR_DTERR | DDRP_PGSR_DTIERR; + if (reg) + hang(); + count = 0; + } + + /* Override impedance */ + clrsetbits_le32(ddr_phy_regs + DDRP_ZQXCR0(0), 0x3ff, + ((ddr_config->pullup & 0x1f) << DDRP_ZQXCR_PULLUP_IMPE_BIT) | + ((ddr_config->pulldn & 0x1f) << DDRP_ZQXCR_PULLDOWN_IMPE_BIT) | + DDRP_ZQXCR_ZDEN); +} + +#define JZBIT(bit) ((bit % 4) * 8) +#define JZMASK(bit) (0x1f << JZBIT(bit)) + +static void remap_swap(int a, int b) +{ + void __iomem *ddr_ctl_regs = (void __iomem *)DDRC_BASE; + u32 remmap[2], tmp[2]; + + remmap[0] = readl(ddr_ctl_regs + DDRC_REMMAP(a / 4)); + remmap[1] = readl(ddr_ctl_regs + DDRC_REMMAP(b / 4)); + + tmp[0] = (remmap[0] & JZMASK(a)) >> JZBIT(a); + tmp[1] = (remmap[1] & JZMASK(b)) >> JZBIT(b); + + remmap[0] &= ~JZMASK(a); + remmap[1] &= ~JZMASK(b); + + writel(remmap[0] | (tmp[1] << JZBIT(a)), + ddr_ctl_regs + DDRC_REMMAP(a / 4)); + writel(remmap[1] | (tmp[0] << JZBIT(b)), + ddr_ctl_regs + DDRC_REMMAP(b / 4)); +} + +static void mem_remap(void) +{ + u32 start = (DDR_ROW + DDR_COL + (DDR_DW32 ? 4 : 2) / 2) - 12; + u32 num = DDR_BANK8 ? 3 : 2; + + if (DDR_CS0EN && DDR_CS1EN) + num++; + + for (; num > 0; num--) + remap_swap(0 + num - 1, start + num - 1); +} + +/* Fetch DRAM config from board file */ +__weak const struct jz4780_ddr_config *jz4780_get_ddr_config(void) +{ + return NULL; +} + +void sdram_init(void) +{ + const struct jz4780_ddr_config *ddr_config = jz4780_get_ddr_config(); + void __iomem *ddr_ctl_regs = (void __iomem *)DDRC_BASE; + void __iomem *ddr_phy_regs = ddr_ctl_regs + DDR_PHY_OFFSET; + void __iomem *cpm_regs = (void __iomem *)CPM_BASE; + u32 mem_clk, tmp, i; + u32 mem_base0, mem_base1; + u32 mem_mask0, mem_mask1; + u32 mem_size0, mem_size1; + + if (!ddr_config) + hang(); + + /* Reset DLL in DDR PHY */ + writel(0x3, cpm_regs + 0xd0); + mdelay(400); + writel(0x1, cpm_regs + 0xd0); + mdelay(400); + + /* Enter reset */ + writel(0xf << 20, ddr_ctl_regs + DDRC_CTRL); + + mem_clk = get_mem_clk(); + + tmp = 1000000000 / mem_clk; + if (1000000000 % mem_clk) + tmp++; + tmp = DDR_tREFI / tmp; + tmp = tmp / (16 * (1 << DDR_CLK_DIV)) - 1; + if (tmp > 0xff) + tmp = 0xff; + if (tmp < 1) + tmp = 1; + + writel(0x0, ddr_ctl_regs + DDRC_CTRL); + + writel(0x150000, ddr_phy_regs + DDRP_DTAR); + ddr_phy_init(ddr_config); + + writel(DDRC_CTRL_CKE | DDRC_CTRL_ALH, ddr_ctl_regs + DDRC_CTRL); + writel(0x0, ddr_ctl_regs + DDRC_CTRL); + + ddr_cfg_init(); + + for (i = 0; i < 6; i++) + writel(ddr_config->timing[i], ddr_ctl_regs + DDRC_TIMING(i)); + + mem_size0 = sdram_size(0); + mem_size1 = sdram_size(1); + + if (!mem_size1 && mem_size0 > 0x20000000) { + mem_base0 = 0x0; + mem_mask0 = ~(((mem_size0 * 2) >> 24) - 1) & DDRC_MMAP_MASK_MASK; + } else { + mem_base0 = (DDR_MEM_PHY_BASE >> 24) & 0xff; + mem_mask0 = ~((mem_size0 >> 24) - 1) & DDRC_MMAP_MASK_MASK; + } + + if (mem_size1) { + mem_mask1 = ~((mem_size1 >> 24) - 1) & DDRC_MMAP_MASK_MASK; + mem_base1 = ((DDR_MEM_PHY_BASE + mem_size0) >> 24) & 0xff; + } else { + mem_mask1 = 0; + mem_base1 = 0xff; + } + + writel(mem_base0 << DDRC_MMAP_BASE_BIT | mem_mask0, + ddr_ctl_regs + DDRC_MMAP0); + writel(mem_base1 << DDRC_MMAP_BASE_BIT | mem_mask1, + ddr_ctl_regs + DDRC_MMAP1); + writel(DDRC_CTRL_CKE | DDRC_CTRL_ALH, ddr_ctl_regs + DDRC_CTRL); + writel((DDR_CLK_DIV << 1) | DDRC_REFCNT_REF_EN | + (tmp << DDRC_REFCNT_CON_BIT), + ddr_ctl_regs + DDRC_REFCNT); + writel((1 << 15) | (4 << 12) | (1 << 11) | (1 << 8) | (0 << 6) | + (1 << 4) | (1 << 3) | (1 << 2) | (1 << 1), + ddr_ctl_regs + DDRC_CTRL); + mem_remap(); + clrbits_le32(ddr_ctl_regs + DDRC_ST, 0x40); +} diff --git a/arch/mips/mach-jz47xx/jz4780/timer.c b/arch/mips/mach-jz47xx/jz4780/timer.c new file mode 100644 index 00000000000..a689b9d71ac --- /dev/null +++ b/arch/mips/mach-jz47xx/jz4780/timer.c @@ -0,0 +1,239 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * JZ4780 timer + * + * Copyright (c) 2013 Imagination Technologies + * Author: Paul Burton + */ + +#include +#include +#include +#include +#include +#include + +#define TCU_TSR 0x1C /* Timer Stop Register */ +#define TCU_TSSR 0x2C /* Timer Stop Set Register */ +#define TCU_TSCR 0x3C /* Timer Stop Clear Register */ +#define TCU_TER 0x10 /* Timer Counter Enable Register */ +#define TCU_TESR 0x14 /* Timer Counter Enable Set Register */ +#define TCU_TECR 0x18 /* Timer Counter Enable Clear Register */ +#define TCU_TFR 0x20 /* Timer Flag Register */ +#define TCU_TFSR 0x24 /* Timer Flag Set Register */ +#define TCU_TFCR 0x28 /* Timer Flag Clear Register */ +#define TCU_TMR 0x30 /* Timer Mask Register */ +#define TCU_TMSR 0x34 /* Timer Mask Set Register */ +#define TCU_TMCR 0x38 /* Timer Mask Clear Register */ +/* n = 0,1,2,3,4,5 */ +#define TCU_TDFR(n) (0x40 + (n) * 0x10) /* Timer Data Full Reg */ +#define TCU_TDHR(n) (0x44 + (n) * 0x10) /* Timer Data Half Reg */ +#define TCU_TCNT(n) (0x48 + (n) * 0x10) /* Timer Counter Reg */ +#define TCU_TCSR(n) (0x4C + (n) * 0x10) /* Timer Control Reg */ + +#define TCU_OSTCNTL 0xe4 +#define TCU_OSTCNTH 0xe8 +#define TCU_OSTCSR 0xec +#define TCU_OSTCNTHBUF 0xfc + +/* Register definitions */ +#define TCU_TCSR_PWM_SD BIT(9) +#define TCU_TCSR_PWM_INITL_HIGH BIT(8) +#define TCU_TCSR_PWM_EN BIT(7) +#define TCU_TCSR_PRESCALE_BIT 3 +#define TCU_TCSR_PRESCALE_MASK (0x7 << TCU_TCSR_PRESCALE_BIT) +#define TCU_TCSR_PRESCALE1 (0x0 << TCU_TCSR_PRESCALE_BIT) +#define TCU_TCSR_PRESCALE4 (0x1 << TCU_TCSR_PRESCALE_BIT) +#define TCU_TCSR_PRESCALE16 (0x2 << TCU_TCSR_PRESCALE_BIT) +#define TCU_TCSR_PRESCALE64 (0x3 << TCU_TCSR_PRESCALE_BIT) +#define TCU_TCSR_PRESCALE256 (0x4 << TCU_TCSR_PRESCALE_BIT) +#define TCU_TCSR_PRESCALE1024 (0x5 << TCU_TCSR_PRESCALE_BIT) +#define TCU_TCSR_EXT_EN BIT(2) +#define TCU_TCSR_RTC_EN BIT(1) +#define TCU_TCSR_PCK_EN BIT(0) + +#define TCU_TER_TCEN5 BIT(5) +#define TCU_TER_TCEN4 BIT(4) +#define TCU_TER_TCEN3 BIT(3) +#define TCU_TER_TCEN2 BIT(2) +#define TCU_TER_TCEN1 BIT(1) +#define TCU_TER_TCEN0 BIT(0) + +#define TCU_TESR_TCST5 BIT(5) +#define TCU_TESR_TCST4 BIT(4) +#define TCU_TESR_TCST3 BIT(3) +#define TCU_TESR_TCST2 BIT(2) +#define TCU_TESR_TCST1 BIT(1) +#define TCU_TESR_TCST0 BIT(0) + +#define TCU_TECR_TCCL5 BIT(5) +#define TCU_TECR_TCCL4 BIT(4) +#define TCU_TECR_TCCL3 BIT(3) +#define TCU_TECR_TCCL2 BIT(2) +#define TCU_TECR_TCCL1 BIT(1) +#define TCU_TECR_TCCL0 BIT(0) + +#define TCU_TFR_HFLAG5 BIT(21) +#define TCU_TFR_HFLAG4 BIT(20) +#define TCU_TFR_HFLAG3 BIT(19) +#define TCU_TFR_HFLAG2 BIT(18) +#define TCU_TFR_HFLAG1 BIT(17) +#define TCU_TFR_HFLAG0 BIT(16) +#define TCU_TFR_FFLAG5 BIT(5) +#define TCU_TFR_FFLAG4 BIT(4) +#define TCU_TFR_FFLAG3 BIT(3) +#define TCU_TFR_FFLAG2 BIT(2) +#define TCU_TFR_FFLAG1 BIT(1) +#define TCU_TFR_FFLAG0 BIT(0) + +#define TCU_TFSR_HFLAG5 BIT(21) +#define TCU_TFSR_HFLAG4 BIT(20) +#define TCU_TFSR_HFLAG3 BIT(19) +#define TCU_TFSR_HFLAG2 BIT(18) +#define TCU_TFSR_HFLAG1 BIT(17) +#define TCU_TFSR_HFLAG0 BIT(16) +#define TCU_TFSR_FFLAG5 BIT(5) +#define TCU_TFSR_FFLAG4 BIT(4) +#define TCU_TFSR_FFLAG3 BIT(3) +#define TCU_TFSR_FFLAG2 BIT(2) +#define TCU_TFSR_FFLAG1 BIT(1) +#define TCU_TFSR_FFLAG0 BIT(0) + +#define TCU_TFCR_HFLAG5 BIT(21) +#define TCU_TFCR_HFLAG4 BIT(20) +#define TCU_TFCR_HFLAG3 BIT(19) +#define TCU_TFCR_HFLAG2 BIT(18) +#define TCU_TFCR_HFLAG1 BIT(17) +#define TCU_TFCR_HFLAG0 BIT(16) +#define TCU_TFCR_FFLAG5 BIT(5) +#define TCU_TFCR_FFLAG4 BIT(4) +#define TCU_TFCR_FFLAG3 BIT(3) +#define TCU_TFCR_FFLAG2 BIT(2) +#define TCU_TFCR_FFLAG1 BIT(1) +#define TCU_TFCR_FFLAG0 BIT(0) + +#define TCU_TMR_HMASK5 BIT(21) +#define TCU_TMR_HMASK4 BIT(20) +#define TCU_TMR_HMASK3 BIT(19) +#define TCU_TMR_HMASK2 BIT(18) +#define TCU_TMR_HMASK1 BIT(17) +#define TCU_TMR_HMASK0 BIT(16) +#define TCU_TMR_FMASK5 BIT(5) +#define TCU_TMR_FMASK4 BIT(4) +#define TCU_TMR_FMASK3 BIT(3) +#define TCU_TMR_FMASK2 BIT(2) +#define TCU_TMR_FMASK1 BIT(1) +#define TCU_TMR_FMASK0 BIT(0) + +#define TCU_TMSR_HMST5 BIT(21) +#define TCU_TMSR_HMST4 BIT(20) +#define TCU_TMSR_HMST3 BIT(19) +#define TCU_TMSR_HMST2 BIT(18) +#define TCU_TMSR_HMST1 BIT(17) +#define TCU_TMSR_HMST0 BIT(16) +#define TCU_TMSR_FMST5 BIT(5) +#define TCU_TMSR_FMST4 BIT(4) +#define TCU_TMSR_FMST3 BIT(3) +#define TCU_TMSR_FMST2 BIT(2) +#define TCU_TMSR_FMST1 BIT(1) +#define TCU_TMSR_FMST0 BIT(0) + +#define TCU_TMCR_HMCL5 BIT(21) +#define TCU_TMCR_HMCL4 BIT(20) +#define TCU_TMCR_HMCL3 BIT(19) +#define TCU_TMCR_HMCL2 BIT(18) +#define TCU_TMCR_HMCL1 BIT(17) +#define TCU_TMCR_HMCL0 BIT(16) +#define TCU_TMCR_FMCL5 BIT(5) +#define TCU_TMCR_FMCL4 BIT(4) +#define TCU_TMCR_FMCL3 BIT(3) +#define TCU_TMCR_FMCL2 BIT(2) +#define TCU_TMCR_FMCL1 BIT(1) +#define TCU_TMCR_FMCL0 BIT(0) + +#define TCU_TSR_WDTS BIT(16) +#define TCU_TSR_STOP5 BIT(5) +#define TCU_TSR_STOP4 BIT(4) +#define TCU_TSR_STOP3 BIT(3) +#define TCU_TSR_STOP2 BIT(2) +#define TCU_TSR_STOP1 BIT(1) +#define TCU_TSR_STOP0 BIT(0) + +#define TCU_TSSR_WDTSS BIT(16) +#define TCU_TSSR_STPS5 BIT(5) +#define TCU_TSSR_STPS4 BIT(4) +#define TCU_TSSR_STPS3 BIT(3) +#define TCU_TSSR_STPS2 BIT(2) +#define TCU_TSSR_STPS1 BIT(1) +#define TCU_TSSR_STPS0 BIT(0) + +#define TCU_TSSR_WDTSC BIT(16) +#define TCU_TSSR_STPC5 BIT(5) +#define TCU_TSSR_STPC4 BIT(4) +#define TCU_TSSR_STPC3 BIT(3) +#define TCU_TSSR_STPC2 BIT(2) +#define TCU_TSSR_STPC1 BIT(1) +#define TCU_TSSR_STPC0 BIT(0) + +#define TER_OSTEN BIT(15) + +#define OSTCSR_CNT_MD BIT(15) +#define OSTCSR_SD BIT(9) +#define OSTCSR_PRESCALE_16 (0x2 << 3) +#define OSTCSR_EXT_EN BIT(2) + +int timer_init(void) +{ + void __iomem *regs = (void __iomem *)TCU_BASE; + + writel(OSTCSR_SD, regs + TCU_OSTCSR); + reset_timer(); + writel(OSTCSR_CNT_MD | OSTCSR_EXT_EN | OSTCSR_PRESCALE_16, + regs + TCU_OSTCSR); + writew(TER_OSTEN, regs + TCU_TESR); + return 0; +} + +void reset_timer(void) +{ + void __iomem *regs = (void __iomem *)TCU_BASE; + + writel(0, regs + TCU_OSTCNTH); + writel(0, regs + TCU_OSTCNTL); +} + +static u64 get_timer64(void) +{ + void __iomem *regs = (void __iomem *)TCU_BASE; + u32 low = readl(regs + TCU_OSTCNTL); + u32 high = readl(regs + TCU_OSTCNTHBUF); + + return ((u64)high << 32) | low; +} + +ulong get_timer(ulong base) +{ + return lldiv(get_timer64(), 3000) - base; +} + +void __udelay(unsigned long usec) +{ + /* OST count increments at 3MHz */ + u64 end = get_timer64() + ((u64)usec * 3); + + while (get_timer64() < end) + ; +} + +unsigned long long get_ticks(void) +{ + return get_timer64(); +} + +void jz4780_tcu_wdt_start(void) +{ + void __iomem *tcu_regs = (void __iomem *)TCU_BASE; + + /* Enable WDT clock */ + writel(TCU_TSSR_WDTSC, tcu_regs + TCU_TSCR); +} diff --git a/arch/mips/mach-jz47xx/jz4780/u-boot-spl.lds b/arch/mips/mach-jz47xx/jz4780/u-boot-spl.lds new file mode 100644 index 00000000000..347cabc4505 --- /dev/null +++ b/arch/mips/mach-jz47xx/jz4780/u-boot-spl.lds @@ -0,0 +1,50 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ + +MEMORY { .sram : ORIGIN = CONFIG_SPL_TEXT_BASE,\ + LENGTH = CONFIG_SPL_MAX_SIZE } +MEMORY { .sdram : ORIGIN = CONFIG_SPL_BSS_START_ADDR, \ + LENGTH = CONFIG_SPL_BSS_MAX_SIZE } + +OUTPUT_ARCH(mips) +ENTRY(_start) +SECTIONS +{ + .text : + { + __image_copy_start = .; + arch/mips/mach-jz47xx/start.o (.text*) + *(.text*) + } >.sram + + . = ALIGN(4); + .rodata : { *(SORT_BY_ALIGNMENT(.rodata*)) } >.sram + + . = ALIGN(4); + .data : { *(SORT_BY_ALIGNMENT(.data*)) } >.sram + + . = ALIGN(4); + __image_copy_end = .; + + .bss : { + . = ALIGN(4); + __bss_start = .; + *(.sbss.*) + *(.bss.*) + *(COMMON) + . = ALIGN(4); + __bss_end = .; + } >.sdram + + /DISCARD/ : { + *(.dynbss) + *(.dynstr) + *(.dynamic) + *(.interp) + *(.hash) + *(.gnu.*) + *(.plt) + *(.got.plt) + *(.rel.plt) + *(.rel.dyn) + } +} diff --git a/arch/mips/mach-jz47xx/start.S b/arch/mips/mach-jz47xx/start.S new file mode 100644 index 00000000000..760d0215493 --- /dev/null +++ b/arch/mips/mach-jz47xx/start.S @@ -0,0 +1,98 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Startup Code for MIPS32 XBURST CPU-core + * + * Copyright (c) 2010 Xiangfu Liu + */ + +#include +#include +#include +#include +#include +#include +#include + + .set noreorder + + .globl _start + .text +_start: +#ifdef CONFIG_SPL_BUILD + + /* magic value ("MSPL") */ + .word 0x4d53504c + + /* Invalidate BTB */ + mfc0 t0, CP0_CONFIG, 7 + nop + ori t0, 2 + mtc0 t0, CP0_CONFIG, 7 + nop + + /* + * CU0=UM=EXL=IE=0, BEV=ERL=1, IP2~7=1 + */ + li t0, 0x0040FC04 + mtc0 t0, CP0_STATUS + + /* CAUSE register */ + /* IV=1, use the specical interrupt vector (0x200) */ + li t1, 0x00800000 + mtc0 t1, CP0_CAUSE + +#ifdef CONFIG_SOC_JZ4780 + /* enable bridge radical mode */ + la t0, CPM_BASE + lw t1, 0x24(t0) + ori t1, t1, 0x22 + sw t1, 0x24(t0) +#endif + + /* Set up stack */ + li sp, CONFIG_SPL_STACK + + b board_init_f + nop + +#ifdef CONFIG_SOC_JZ4780 + + .globl enable_caches + .ent enable_caches +enable_caches: + mtc0 zero, CP0_TAGLO + mtc0 zero, CP0_TAGHI + + li t0, KSEG0 + addu t1, t0, CONFIG_SYS_DCACHE_SIZE +1: + cache INDEX_STORE_TAG_D, 0(t0) + bne t0, t1, 1b + addiu t0, t0, CONFIG_SYS_CACHELINE_SIZE + + li t0, KSEG0 + addu t1, t0, CONFIG_SYS_ICACHE_SIZE +2: + cache INDEX_STORE_TAG_I, 0(t0) + bne t0, t1, 2b + addiu t0, t0, CONFIG_SYS_CACHELINE_SIZE + + /* Invalidate BTB */ + mfc0 t0, CP0_CONFIG, 7 + nop + ori t0, 2 + mtc0 t0, CP0_CONFIG, 7 + nop + + /* Enable caches */ + li t0, CONF_CM_CACHABLE_NONCOHERENT + mtc0 t0, CP0_CONFIG + nop + + jr ra + nop + + .end enable_caches + +#endif /* CONFIG_SOC_JZ4780 */ +#endif /* !CONFIG_SPL_BUILD */ diff --git a/include/dt-bindings/clock/jz4780-cgu.h b/include/dt-bindings/clock/jz4780-cgu.h new file mode 100644 index 00000000000..73214c52c02 --- /dev/null +++ b/include/dt-bindings/clock/jz4780-cgu.h @@ -0,0 +1,89 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * This header provides clock numbers for the ingenic,jz4780-cgu DT binding. + * + * They are roughly ordered as: + * - external clocks + * - PLLs + * - muxes/dividers in the order they appear in the jz4780 programmers manual + * - gates in order of their bit in the CLKGR* registers + */ + +#ifndef __DT_BINDINGS_CLOCK_JZ4780_CGU_H__ +#define __DT_BINDINGS_CLOCK_JZ4780_CGU_H__ + +#define JZ4780_CLK_EXCLK 0 +#define JZ4780_CLK_RTCLK 1 +#define JZ4780_CLK_APLL 2 +#define JZ4780_CLK_MPLL 3 +#define JZ4780_CLK_EPLL 4 +#define JZ4780_CLK_VPLL 5 +#define JZ4780_CLK_OTGPHY 6 +#define JZ4780_CLK_SCLKA 7 +#define JZ4780_CLK_CPUMUX 8 +#define JZ4780_CLK_CPU 9 +#define JZ4780_CLK_L2CACHE 10 +#define JZ4780_CLK_AHB0 11 +#define JZ4780_CLK_AHB2PMUX 12 +#define JZ4780_CLK_AHB2 13 +#define JZ4780_CLK_PCLK 14 +#define JZ4780_CLK_DDR 15 +#define JZ4780_CLK_VPU 16 +#define JZ4780_CLK_I2SPLL 17 +#define JZ4780_CLK_I2S 18 +#define JZ4780_CLK_LCD0PIXCLK 19 +#define JZ4780_CLK_LCD1PIXCLK 20 +#define JZ4780_CLK_MSCMUX 21 +#define JZ4780_CLK_MSC0 22 +#define JZ4780_CLK_MSC1 23 +#define JZ4780_CLK_MSC2 24 +#define JZ4780_CLK_UHC 25 +#define JZ4780_CLK_SSIPLL 26 +#define JZ4780_CLK_SSI 27 +#define JZ4780_CLK_CIMMCLK 28 +#define JZ4780_CLK_PCMPLL 29 +#define JZ4780_CLK_PCM 30 +#define JZ4780_CLK_GPU 31 +#define JZ4780_CLK_HDMI 32 +#define JZ4780_CLK_BCH 33 +#define JZ4780_CLK_NEMC 34 +#define JZ4780_CLK_OTG0 35 +#define JZ4780_CLK_SSI0 36 +#define JZ4780_CLK_SMB0 37 +#define JZ4780_CLK_SMB1 38 +#define JZ4780_CLK_SCC 39 +#define JZ4780_CLK_AIC 40 +#define JZ4780_CLK_TSSI0 41 +#define JZ4780_CLK_OWI 42 +#define JZ4780_CLK_KBC 43 +#define JZ4780_CLK_SADC 44 +#define JZ4780_CLK_UART0 45 +#define JZ4780_CLK_UART1 46 +#define JZ4780_CLK_UART2 47 +#define JZ4780_CLK_UART3 48 +#define JZ4780_CLK_SSI1 49 +#define JZ4780_CLK_SSI2 50 +#define JZ4780_CLK_PDMA 51 +#define JZ4780_CLK_GPS 52 +#define JZ4780_CLK_MAC 53 +#define JZ4780_CLK_SMB2 54 +#define JZ4780_CLK_CIM 55 +#define JZ4780_CLK_LCD 56 +#define JZ4780_CLK_TVE 57 +#define JZ4780_CLK_IPU 58 +#define JZ4780_CLK_DDR0 59 +#define JZ4780_CLK_DDR1 60 +#define JZ4780_CLK_SMB3 61 +#define JZ4780_CLK_TSSI1 62 +#define JZ4780_CLK_COMPRESS 63 +#define JZ4780_CLK_AIC1 64 +#define JZ4780_CLK_GPVLC 65 +#define JZ4780_CLK_OTG1 66 +#define JZ4780_CLK_UART4 67 +#define JZ4780_CLK_AHBMON 68 +#define JZ4780_CLK_SMB4 69 +#define JZ4780_CLK_DES 70 +#define JZ4780_CLK_X2D 71 +#define JZ4780_CLK_CORE1 72 + +#endif /* __DT_BINDINGS_CLOCK_JZ4780_CGU_H__ */ From 25c7de2255128743fcbe436b6f3b17a70d0cdd82 Mon Sep 17 00:00:00 2001 From: Paul Burton Date: Sun, 16 Dec 2018 19:25:23 -0300 Subject: [PATCH 47/47] mips: jz47xx: Add Creator CI20 platform Add support for the Creator CI20 platform based on the JZ4780 SoC. Cc: Daniel Schwierzeck Signed-off-by: Paul Burton Signed-off-by: Marek Vasut Signed-off-by: Ezequiel Garcia Reviewed-by: Marek Vasut --- arch/mips/dts/Makefile | 1 + arch/mips/dts/ci20.dts | 122 ++++++++++++ arch/mips/mach-jz47xx/Kconfig | 11 ++ board/imgtec/ci20/Kconfig | 15 ++ board/imgtec/ci20/MAINTAINERS | 6 + board/imgtec/ci20/Makefile | 3 + board/imgtec/ci20/README | 10 + board/imgtec/ci20/ci20.c | 362 ++++++++++++++++++++++++++++++++++ configs/ci20_mmc_defconfig | 48 +++++ include/configs/ci20.h | 72 +++++++ 10 files changed, 650 insertions(+) create mode 100644 arch/mips/dts/ci20.dts create mode 100644 board/imgtec/ci20/Kconfig create mode 100644 board/imgtec/ci20/MAINTAINERS create mode 100644 board/imgtec/ci20/Makefile create mode 100644 board/imgtec/ci20/README create mode 100644 board/imgtec/ci20/ci20.c create mode 100644 configs/ci20_mmc_defconfig create mode 100644 include/configs/ci20.h diff --git a/arch/mips/dts/Makefile b/arch/mips/dts/Makefile index b447141f871..647d2bf0d53 100644 --- a/arch/mips/dts/Makefile +++ b/arch/mips/dts/Makefile @@ -16,6 +16,7 @@ dtb-$(CONFIG_BOARD_NETGEAR_CG3100D) += netgear,cg3100d.dtb dtb-$(CONFIG_BOARD_NETGEAR_DGND3700V2) += netgear,dgnd3700v2.dtb dtb-$(CONFIG_BOARD_SAGEM_FAST1704) += sagem,f@st1704.dtb dtb-$(CONFIG_BOARD_TPLINK_WDR4300) += tplink_wdr4300.dtb +dtb-$(CONFIG_TARGET_JZ4780_CI20) += ci20.dtb targets += $(dtb-y) diff --git a/arch/mips/dts/ci20.dts b/arch/mips/dts/ci20.dts new file mode 100644 index 00000000000..8d6417af73e --- /dev/null +++ b/arch/mips/dts/ci20.dts @@ -0,0 +1,122 @@ +// SPDX-License-Identifier: GPL-2.0+ + +/dts-v1/; + +#include "jz4780.dtsi" + +/ { + compatible = "img,ci20", "ingenic,jz4780"; + + aliases { + serial0 = &uart0; + serial1 = &uart1; + serial3 = &uart3; + serial4 = &uart4; + }; + + chosen { + stdout-path = "serial4:115200n8"; + }; + + memory { + device_type = "memory"; + reg = <0x0 0x10000000 + 0x30000000 0x30000000>; + }; +}; + +&ext { + clock-frequency = <48000000>; +}; + +&uart0 { + status = "okay"; +}; + +&uart1 { + status = "okay"; +}; + +&uart3 { + status = "okay"; +}; + +&uart4 { + status = "okay"; +}; + +&nemc { + status = "okay"; + + nandc: nand-controller@1 { + compatible = "ingenic,jz4780-nand"; + reg = <1 0 0x1000000>; + + #address-cells = <1>; + #size-cells = <0>; + + ingenic,bch-controller = <&bch>; + + ingenic,nemc-tAS = <10>; + ingenic,nemc-tAH = <5>; + ingenic,nemc-tBP = <10>; + ingenic,nemc-tAW = <15>; + ingenic,nemc-tSTRV = <100>; + + nand@1 { + reg = <1>; + + nand-ecc-step-size = <1024>; + nand-ecc-strength = <24>; + nand-ecc-mode = "hw"; + nand-on-flash-bbt; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <2>; + #size-cells = <2>; + + partition@0 { + label = "u-boot-spl"; + reg = <0x0 0x0 0x0 0x800000>; + }; + + partition@0x800000 { + label = "u-boot"; + reg = <0x0 0x800000 0x0 0x200000>; + }; + + partition@0xa00000 { + label = "u-boot-env"; + reg = <0x0 0xa00000 0x0 0x200000>; + }; + + partition@0xc00000 { + label = "boot"; + reg = <0x0 0xc00000 0x0 0x4000000>; + }; + + partition@0x8c00000 { + label = "system"; + reg = <0x0 0x4c00000 0x1 0xfb400000>; + }; + }; + }; + }; +}; + +&bch { + status = "okay"; +}; + +&mmc0 { + bus-width = <4>; + max-frequency = <50000000>; + status = "okay"; +}; + +&mmc1 { + bus-width = <4>; + max-frequency = <50000000>; + status = "okay"; +}; diff --git a/arch/mips/mach-jz47xx/Kconfig b/arch/mips/mach-jz47xx/Kconfig index cd6944cfc25..dcaac016286 100644 --- a/arch/mips/mach-jz47xx/Kconfig +++ b/arch/mips/mach-jz47xx/Kconfig @@ -12,4 +12,15 @@ config SOC_JZ4780 help Support for Ingenic JZ4780 family SoCs. +choice + prompt "Board select" + +config TARGET_JZ4780_CI20 + bool "Creator CI20 Reference Board" + select SOC_JZ4780 + +endchoice + +source "board/imgtec/ci20/Kconfig" + endmenu diff --git a/board/imgtec/ci20/Kconfig b/board/imgtec/ci20/Kconfig new file mode 100644 index 00000000000..82bf65d64f1 --- /dev/null +++ b/board/imgtec/ci20/Kconfig @@ -0,0 +1,15 @@ +if TARGET_JZ4780_CI20 + +config SYS_BOARD + default "ci20" + +config SYS_VENDOR + default "imgtec" + +config SYS_CONFIG_NAME + default "ci20" + +config SYS_TEXT_BASE + default 0x80000000 + +endif diff --git a/board/imgtec/ci20/MAINTAINERS b/board/imgtec/ci20/MAINTAINERS new file mode 100644 index 00000000000..dca6bf35376 --- /dev/null +++ b/board/imgtec/ci20/MAINTAINERS @@ -0,0 +1,6 @@ +Creator CI20 BOARD +M: Ezequiel Garcia +S: Maintained +F: board/imgtec/ci20/ +F: include/configs/ci20.h +F: configs/ci20_mmc_defconfig diff --git a/board/imgtec/ci20/Makefile b/board/imgtec/ci20/Makefile new file mode 100644 index 00000000000..7843b467918 --- /dev/null +++ b/board/imgtec/ci20/Makefile @@ -0,0 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0+ + +obj-y := ci20.o diff --git a/board/imgtec/ci20/README b/board/imgtec/ci20/README new file mode 100644 index 00000000000..07d89d7e2b3 --- /dev/null +++ b/board/imgtec/ci20/README @@ -0,0 +1,10 @@ +CI20 U-Boot + +Installation to an SD card: + Repartition your card with an MBR such that the first partition starts at an + offset of no less than 270KB. Then install U-Boot SPL & the full U-Boot image + to the card like so: + + dd if=spl/u-boot-spl.bin of=/dev/sdX obs=512 seek=1 + dd if=u-boot-dtb.img of=/dev/sdX obs=1K seek=14 + sync diff --git a/board/imgtec/ci20/ci20.c b/board/imgtec/ci20/ci20.c new file mode 100644 index 00000000000..9811ef559fc --- /dev/null +++ b/board/imgtec/ci20/ci20.c @@ -0,0 +1,362 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * CI20 setup code + * + * Copyright (c) 2013 Imagination Technologies + * Author: Paul Burton + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +struct ci20_otp { + u32 serial_number; + u32 date; + u8 manufacturer[2]; + u8 mac[6]; +} __packed; + +static void ci20_mux_mmc(void) +{ + void __iomem *gpio_regs = (void __iomem *)GPIO_BASE; + + /* setup MSC1 pins */ + writel(0x30f00000, gpio_regs + GPIO_PXINTC(4)); + writel(0x30f00000, gpio_regs + GPIO_PXMASKC(4)); + writel(0x30f00000, gpio_regs + GPIO_PXPAT1C(4)); + writel(0x30f00000, gpio_regs + GPIO_PXPAT0C(4)); + writel(0x30f00000, gpio_regs + GPIO_PXPENC(4)); + jz4780_clk_ungate_mmc(); +} + +#ifndef CONFIG_SPL_BUILD + +static void ci20_mux_eth(void) +{ + void __iomem *gpio_regs = (void __iomem *)GPIO_BASE; + +#ifdef CONFIG_NAND + /* setup pins (some already setup for NAND) */ + writel(0x04030000, gpio_regs + GPIO_PXINTC(0)); + writel(0x04030000, gpio_regs + GPIO_PXMASKC(0)); + writel(0x04030000, gpio_regs + GPIO_PXPAT1C(0)); + writel(0x04030000, gpio_regs + GPIO_PXPAT0C(0)); + writel(0x04030000, gpio_regs + GPIO_PXPENS(0)); +#else + /* setup pins (as above +NAND CS +RD/WE +SDx +SAx) */ + writel(0x0dff00ff, gpio_regs + GPIO_PXINTC(0)); + writel(0x0dff00ff, gpio_regs + GPIO_PXMASKC(0)); + writel(0x0dff00ff, gpio_regs + GPIO_PXPAT1C(0)); + writel(0x0dff00ff, gpio_regs + GPIO_PXPAT0C(0)); + writel(0x0dff00ff, gpio_regs + GPIO_PXPENS(0)); + writel(0x00000003, gpio_regs + GPIO_PXINTC(1)); + writel(0x00000003, gpio_regs + GPIO_PXMASKC(1)); + writel(0x00000003, gpio_regs + GPIO_PXPAT1C(1)); + writel(0x00000003, gpio_regs + GPIO_PXPAT0C(1)); + writel(0x00000003, gpio_regs + GPIO_PXPENS(1)); +#endif +} + +static void ci20_mux_jtag(void) +{ +#ifdef CONFIG_JTAG + void __iomem *gpio_regs = (void __iomem *)GPIO_BASE; + + /* enable JTAG */ + writel(3 << 30, gpio_regs + GPIO_PXINTC(0)); + writel(3 << 30, gpio_regs + GPIO_PXMASKC(0)); + writel(3 << 30, gpio_regs + GPIO_PXPAT1C(0)); + writel(3 << 30, gpio_regs + GPIO_PXPAT0C(0)); +#endif +} + +static void ci20_mux_nand(void) +{ + void __iomem *gpio_regs = (void __iomem *)GPIO_BASE; + + /* setup pins */ + writel(0x002c00ff, gpio_regs + GPIO_PXINTC(0)); + writel(0x002c00ff, gpio_regs + GPIO_PXMASKC(0)); + writel(0x002c00ff, gpio_regs + GPIO_PXPAT1C(0)); + writel(0x002c00ff, gpio_regs + GPIO_PXPAT0C(0)); + writel(0x002c00ff, gpio_regs + GPIO_PXPENS(0)); + writel(0x00000003, gpio_regs + GPIO_PXINTC(1)); + writel(0x00000003, gpio_regs + GPIO_PXMASKC(1)); + writel(0x00000003, gpio_regs + GPIO_PXPAT1C(1)); + writel(0x00000003, gpio_regs + GPIO_PXPAT0C(1)); + writel(0x00000003, gpio_regs + GPIO_PXPENS(1)); + + /* FRB0_N */ + jz47xx_gpio_direction_input(JZ_GPIO(0, 20)); + writel(20, gpio_regs + GPIO_PXPENS(0)); + + /* disable write protect */ + jz47xx_gpio_direction_output(JZ_GPIO(5, 22), 1); +} + +static void ci20_mux_uart(void) +{ + void __iomem *gpio_regs = (void __iomem *)GPIO_BASE; + + /* UART0 */ + writel(0x9, gpio_regs + GPIO_PXINTC(5)); + writel(0x9, gpio_regs + GPIO_PXMASKC(5)); + writel(0x9, gpio_regs + GPIO_PXPAT1C(5)); + writel(0x9, gpio_regs + GPIO_PXPAT0C(5)); + writel(0x9, gpio_regs + GPIO_PXPENC(5)); + jz4780_clk_ungate_uart(0); + + /* UART 1 and 2 */ + jz4780_clk_ungate_uart(1); + jz4780_clk_ungate_uart(2); + +#ifndef CONFIG_JTAG + /* UART3 */ + writel(1 << 12, gpio_regs + GPIO_PXINTC(3)); + writel(1 << 12, gpio_regs + GPIO_PXMASKS(3)); + writel(1 << 12, gpio_regs + GPIO_PXPAT1S(3)); + writel(1 << 12, gpio_regs + GPIO_PXPAT0C(3)); + writel(3 << 30, gpio_regs + GPIO_PXINTC(0)); + writel(3 << 30, gpio_regs + GPIO_PXMASKC(0)); + writel(3 << 30, gpio_regs + GPIO_PXPAT1C(0)); + writel(1 << 30, gpio_regs + GPIO_PXPAT0C(0)); + writel(1 << 31, gpio_regs + GPIO_PXPAT0S(0)); + jz4780_clk_ungate_uart(3); +#endif + + /* UART4 */ + writel(0x100400, gpio_regs + GPIO_PXINTC(2)); + writel(0x100400, gpio_regs + GPIO_PXMASKC(2)); + writel(0x100400, gpio_regs + GPIO_PXPAT1S(2)); + writel(0x100400, gpio_regs + GPIO_PXPAT0C(2)); + writel(0x100400, gpio_regs + GPIO_PXPENC(2)); + jz4780_clk_ungate_uart(4); +} + +int board_early_init_f(void) +{ + ci20_mux_jtag(); + ci20_mux_uart(); + + ci20_mux_eth(); + ci20_mux_mmc(); + ci20_mux_nand(); + + /* SYS_POWER_IND high (LED blue, VBUS off) */ + jz47xx_gpio_direction_output(JZ_GPIO(5, 15), 0); + + /* LEDs off */ + jz47xx_gpio_direction_output(JZ_GPIO(2, 0), 0); + jz47xx_gpio_direction_output(JZ_GPIO(2, 1), 0); + jz47xx_gpio_direction_output(JZ_GPIO(2, 2), 0); + jz47xx_gpio_direction_output(JZ_GPIO(2, 3), 0); + + return 0; +} + +int misc_init_r(void) +{ + const u32 efuse_clk = jz4780_clk_get_efuse_clk(); + struct ci20_otp otp; + char manufacturer[3]; + + /* Read the board OTP data */ + jz4780_efuse_init(efuse_clk); + jz4780_efuse_read(0x18, 16, (u8 *)&otp); + + /* Set MAC address */ + if (!is_valid_ethaddr(otp.mac)) { + /* no MAC assigned, generate one from the unique chip ID */ + jz4780_efuse_read(0x8, 4, &otp.mac[0]); + jz4780_efuse_read(0x12, 2, &otp.mac[4]); + otp.mac[0] = (otp.mac[0] | 0x02) & ~0x01; + } + eth_env_set_enetaddr("ethaddr", otp.mac); + + /* Put other board information into the environment */ + env_set_ulong("serial#", otp.serial_number); + env_set_ulong("board_date", otp.date); + manufacturer[0] = otp.manufacturer[0]; + manufacturer[1] = otp.manufacturer[1]; + manufacturer[2] = 0; + env_set("board_mfr", manufacturer); + + return 0; +} + +#ifdef CONFIG_DRIVER_DM9000 +int board_eth_init(bd_t *bis) +{ + /* Enable clock */ + jz4780_clk_ungate_ethernet(); + + /* Enable power (PB25) */ + jz47xx_gpio_direction_output(JZ_GPIO(1, 25), 1); + + /* Reset (PF12) */ + mdelay(10); + jz47xx_gpio_direction_output(JZ_GPIO(5, 12), 0); + mdelay(10); + jz47xx_gpio_direction_output(JZ_GPIO(5, 12), 1); + mdelay(10); + + return dm9000_initialize(bis); +} +#endif /* CONFIG_DRIVER_DM9000 */ +#endif + +static u8 ci20_revision(void) +{ + void __iomem *gpio_regs = (void __iomem *)GPIO_BASE; + int val; + + jz47xx_gpio_direction_input(JZ_GPIO(2, 18)); + jz47xx_gpio_direction_input(JZ_GPIO(2, 19)); + + /* Enable pullups */ + writel(BIT(18) | BIT(19), gpio_regs + GPIO_PXPENC(2)); + + /* Read PC18/19 for version */ + val = (!!jz47xx_gpio_get_value(JZ_GPIO(2, 18))) | + ((!!jz47xx_gpio_get_value(JZ_GPIO(2, 19))) << 1); + + if (val == 3) /* Rev 1 boards had no pulldowns - giving 3 */ + return 1; + if (val == 1) /* Rev 2 boards pulldown port C bit 18 giving 1 */ + return 2; + + return 0; +} + +int dram_init(void) +{ + gd->ram_size = sdram_size(0) + sdram_size(1); + return 0; +} + +/* U-Boot common routines */ +int checkboard(void) +{ + printf("Board: Creator CI20 (rev.%d)\n", ci20_revision()); + return 0; +} + +#ifdef CONFIG_SPL_BUILD + +#if defined(CONFIG_SPL_MMC_SUPPORT) +int board_mmc_init(bd_t *bd) +{ + ci20_mux_mmc(); + return jz_mmc_init((void __iomem *)MSC0_BASE); +} +#endif + +static const struct jz4780_ddr_config K4B2G0846Q_48_config = { + .timing = { + (4 << DDRC_TIMING1_TRTP_BIT) | (13 << DDRC_TIMING1_TWTR_BIT) | + (6 << DDRC_TIMING1_TWR_BIT) | (5 << DDRC_TIMING1_TWL_BIT), + + (4 << DDRC_TIMING2_TCCD_BIT) | (15 << DDRC_TIMING2_TRAS_BIT) | + (6 << DDRC_TIMING2_TRCD_BIT) | (6 << DDRC_TIMING2_TRL_BIT), + + (4 << DDRC_TIMING3_ONUM) | (7 << DDRC_TIMING3_TCKSRE_BIT) | + (6 << DDRC_TIMING3_TRP_BIT) | (4 << DDRC_TIMING3_TRRD_BIT) | + (21 << DDRC_TIMING3_TRC_BIT), + + (31 << DDRC_TIMING4_TRFC_BIT) | (1 << DDRC_TIMING4_TRWCOV_BIT) | + (4 << DDRC_TIMING4_TCKE_BIT) | (9 << DDRC_TIMING4_TMINSR_BIT) | + (8 << DDRC_TIMING4_TXP_BIT) | (3 << DDRC_TIMING4_TMRD_BIT), + + (8 << DDRC_TIMING5_TRTW_BIT) | (4 << DDRC_TIMING5_TRDLAT_BIT) | + (4 << DDRC_TIMING5_TWDLAT_BIT), + + (25 << DDRC_TIMING6_TXSRD_BIT) | (12 << DDRC_TIMING6_TFAW_BIT) | + (2 << DDRC_TIMING6_TCFGW_BIT) | (2 << DDRC_TIMING6_TCFGR_BIT), + }, + + /* PHY */ + /* Mode Register 0 */ + .mr0 = 0x420, +#ifdef SDRAM_DISABLE_DLL + .mr1 = (DDR3_MR1_DIC_7 | DDR3_MR1_RTT_DIS | DDR3_MR1_DLL_DISABLE), +#else + .mr1 = (DDR3_MR1_DIC_7 | DDR3_MR1_RTT_DIS), +#endif + + .ptr0 = 0x002000d4, + .ptr1 = 0x02230d40, + .ptr2 = 0x04013880, + + .dtpr0 = 0x2a8f6690, + .dtpr1 = 0x00400860, + .dtpr2 = 0x10042a00, + + .pullup = 0x0b, + .pulldn = 0x0b, +}; + +static const struct jz4780_ddr_config H5TQ2G83CFR_48_config = { + .timing = { + (4 << DDRC_TIMING1_TRTP_BIT) | (13 << DDRC_TIMING1_TWTR_BIT) | + (6 << DDRC_TIMING1_TWR_BIT) | (5 << DDRC_TIMING1_TWL_BIT), + + (4 << DDRC_TIMING2_TCCD_BIT) | (16 << DDRC_TIMING2_TRAS_BIT) | + (6 << DDRC_TIMING2_TRCD_BIT) | (6 << DDRC_TIMING2_TRL_BIT), + + (4 << DDRC_TIMING3_ONUM) | (7 << DDRC_TIMING3_TCKSRE_BIT) | + (6 << DDRC_TIMING3_TRP_BIT) | (4 << DDRC_TIMING3_TRRD_BIT) | + (22 << DDRC_TIMING3_TRC_BIT), + + (42 << DDRC_TIMING4_TRFC_BIT) | (1 << DDRC_TIMING4_TRWCOV_BIT) | + (4 << DDRC_TIMING4_TCKE_BIT) | (7 << DDRC_TIMING4_TMINSR_BIT) | + (3 << DDRC_TIMING4_TXP_BIT) | (3 << DDRC_TIMING4_TMRD_BIT), + + (8 << DDRC_TIMING5_TRTW_BIT) | (4 << DDRC_TIMING5_TRDLAT_BIT) | + (4 << DDRC_TIMING5_TWDLAT_BIT), + + (25 << DDRC_TIMING6_TXSRD_BIT) | (20 << DDRC_TIMING6_TFAW_BIT) | + (2 << DDRC_TIMING6_TCFGW_BIT) | (2 << DDRC_TIMING6_TCFGR_BIT), + }, + + /* PHY */ + /* Mode Register 0 */ + .mr0 = 0x420, +#ifdef SDRAM_DISABLE_DLL + .mr1 = (DDR3_MR1_DIC_7 | DDR3_MR1_RTT_DIS | DDR3_MR1_DLL_DISABLE), +#else + .mr1 = (DDR3_MR1_DIC_7 | DDR3_MR1_RTT_DIS), +#endif + + .ptr0 = 0x002000d4, + .ptr1 = 0x02d30d40, + .ptr2 = 0x04013880, + + .dtpr0 = 0x2c906690, + .dtpr1 = 0x005608a0, + .dtpr2 = 0x10042a00, + + .pullup = 0x0e, + .pulldn = 0x0e, +}; + +#if (CONFIG_SYS_MHZ != 1200) +#error No DDR configuration for CPU speed +#endif + +const struct jz4780_ddr_config *jz4780_get_ddr_config(void) +{ + const int board_revision = ci20_revision(); + + if (board_revision == 2) + return &K4B2G0846Q_48_config; + else /* Fall back to H5TQ2G83CFR RAM */ + return &H5TQ2G83CFR_48_config; +} +#endif diff --git a/configs/ci20_mmc_defconfig b/configs/ci20_mmc_defconfig new file mode 100644 index 00000000000..c1b1c3f7e9e --- /dev/null +++ b/configs/ci20_mmc_defconfig @@ -0,0 +1,48 @@ +CONFIG_MIPS=y +CONFIG_SPL_LDSCRIPT="arch/mips/mach-jz47xx/jz4780/u-boot-spl.lds" +CONFIG_SYS_TEXT_BASE=0x80010000 +CONFIG_SPL_GPIO_SUPPORT=y +CONFIG_SPL_LIBGENERIC_SUPPORT=y +CONFIG_SYS_MALLOC_F_LEN=0x2000 +CONFIG_SPL_MMC_SUPPORT=y +CONFIG_SPL=y +CONFIG_ARCH_JZ47XX=y +CONFIG_NR_DRAM_BANKS=1 +CONFIG_FIT=y +CONFIG_USE_BOOTARGS=y +CONFIG_BOOTARGS="console=ttyS4,115200 rw rootwait root=/dev/mmcblk0p1" +CONFIG_USE_BOOTCOMMAND=y +CONFIG_BOOTCOMMAND="ext4load mmc 0:1 0x88000000 /boot/uImage; bootm 0x88000000" +CONFIG_MISC_INIT_R=y +CONFIG_DISPLAY_CPUINFO=y +CONFIG_BOARD_EARLY_INIT_F=y +# CONFIG_SPL_BANNER_PRINT is not set +# CONFIG_TPL_BANNER_PRINT is not set +CONFIG_HUSH_PARSER=y +CONFIG_CMD_DM=y +# CONFIG_CMD_FLASH is not set +CONFIG_CMD_MMC=y +CONFIG_CMD_DHCP=y +CONFIG_CMD_EXT4=y +CONFIG_CMD_FAT=y +# CONFIG_SPL_DOS_PARTITION is not set +CONFIG_DEFAULT_DEVICE_TREE="ci20" +CONFIG_ENV_IS_IN_MMC=y +# CONFIG_DM_WARN is not set +# CONFIG_DM_DEVICE_REMOVE is not set +CONFIG_JZ4780_EFUSE=y +CONFIG_MMC=y +CONFIG_MMC_BROKEN_CD=y +CONFIG_DM_MMC=y +# CONFIG_MMC_HW_PARTITIONING is not set +CONFIG_MMC_IO_VOLTAGE=y +CONFIG_MMC_UHS_SUPPORT=y +CONFIG_MMC_HS400_SUPPORT=y +# CONFIG_MMC_VERBOSE is not set +CONFIG_SPL_MMC_TINY=y +CONFIG_JZ47XX_MMC=y +CONFIG_DM_SERIAL=y +CONFIG_SYS_NS16550=y +CONFIG_USE_TINY_PRINTF=y +CONFIG_SPL_TINY_MEMSET=y +CONFIG_LZO=y diff --git a/include/configs/ci20.h b/include/configs/ci20.h new file mode 100644 index 00000000000..9a3621329dc --- /dev/null +++ b/include/configs/ci20.h @@ -0,0 +1,72 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * CI20 configuration + * + * Copyright (c) 2013 Imagination Technologies + * Author: Paul Burton + */ + +#ifndef __CONFIG_CI20_H__ +#define __CONFIG_CI20_H__ + +#define CONFIG_SKIP_LOWLEVEL_INIT + +/* Ingenic JZ4780 clock configuration. */ +#define CONFIG_SYS_HZ 1000 +#define CONFIG_SYS_MHZ 1200 +#define CONFIG_SYS_MIPS_TIMER_FREQ (CONFIG_SYS_MHZ * 1000000) + +/* Memory configuration */ +#define CONFIG_SYS_MONITOR_LEN (512 * 1024) +#define CONFIG_SYS_MALLOC_LEN (64 * 1024 * 1024) +#define CONFIG_SYS_BOOTPARAMS_LEN (128 * 1024) + +#define CONFIG_SYS_SDRAM_BASE 0x80000000 /* cached (KSEG0) address */ +#define CONFIG_SYS_INIT_SP_OFFSET 0x400000 +#define CONFIG_SYS_LOAD_ADDR 0x81000000 +#define CONFIG_LOADADDR CONFIG_SYS_LOAD_ADDR +#define CONFIG_SYS_MEMTEST_START 0x80000000 +#define CONFIG_SYS_MEMTEST_END 0x88000000 + +#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE + +/* NS16550-ish UARTs */ +#define CONFIG_SYS_NS16550_CLK 48000000 +#define CONFIG_SYS_CONSOLE_IS_IN_ENV + +/* Ethernet: davicom DM9000 */ +#define CONFIG_DRIVER_DM9000 1 +#define CONFIG_DM9000_BASE 0xb6000000 +#define DM9000_IO CONFIG_DM9000_BASE +#define DM9000_DATA (CONFIG_DM9000_BASE + 2) + +/* Environment */ +#define CONFIG_SYS_MMC_ENV_DEV 0 +#define CONFIG_ENV_SIZE (32 << 10) +#define CONFIG_ENV_OFFSET ((14 + 512) << 10) +#define CONFIG_ENV_OVERWRITE + +/* Command line configuration. */ +#define CONFIG_SYS_CBSIZE 1024 /* Console I/O buffer size */ +#define CONFIG_SYS_MAXARGS 32 /* Max number of command args */ +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE + /* Boot argument buffer size */ +#define CONFIG_VERSION_VARIABLE /* U-BOOT version */ + +/* Miscellaneous configuration options */ +#define CONFIG_SYS_BOOTM_LEN (64 << 20) + +/* SPL */ +#define CONFIG_SPL_STACK 0xf4008000 /* only max. 2KB spare! */ + +#define CONFIG_SPL_TEXT_BASE 0xf4000a00 +#define CONFIG_SPL_MAX_SIZE ((14 * 1024) - 0xa00) + +#define CONFIG_SPL_BSS_START_ADDR 0xf4004000 +#define CONFIG_SPL_BSS_MAX_SIZE 0x00002000 /* 512KB, arbitrary */ + +#define CONFIG_SPL_START_S_PATH "arch/mips/mach-jz47xx" + +#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x1c /* 14 KiB offset */ + +#endif /* __CONFIG_CI20_H__ */