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c174c0623b
Pass "pfuze3000@8" in pmic_get() so that the PMIC node can be found in the devicetree. Signed-off-by: Fabio Estevam <festevam@gmail.com> Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
231 lines
6.1 KiB
C
231 lines
6.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2015 Technexion Ltd.
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*
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* Author: Richard Hu <richard.hu@technexion.com>
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*/
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#include <init.h>
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#include <net.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/iomux.h>
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#include <asm/arch/imx-regs.h>
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#include <asm/arch/crm_regs.h>
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#include <asm/arch/mx6-pins.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/global_data.h>
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#include <asm/gpio.h>
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#include <asm/mach-imx/iomux-v3.h>
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#include <asm/io.h>
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#include <common.h>
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#include <miiphy.h>
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#include <linux/delay.h>
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#include <linux/sizes.h>
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#include <usb.h>
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#include <power/pmic.h>
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#include <power/pfuze3000_pmic.h>
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#include "../../freescale/common/pfuze.h"
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DECLARE_GLOBAL_DATA_PTR;
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#define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
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PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
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PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
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#define OTG_ID_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
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PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \
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PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
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#define MDIO_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
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PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST | PAD_CTL_ODE)
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#define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
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PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm)
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static int setup_fec(void)
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{
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struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
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int ret;
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clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK,
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IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK);
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ret = enable_fec_anatop_clock(1, ENET_50MHZ);
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if (ret)
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return ret;
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enable_enet_clk(1);
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return 0;
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}
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#ifdef CONFIG_VIDEO_MXS
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static iomux_v3_cfg_t const lcd_pads[] = {
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MX6_PAD_LCD_CLK__LCDIF_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_ENABLE__LCDIF_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_HSYNC__LCDIF_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_VSYNC__LCDIF_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA00__LCDIF_DATA00 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA01__LCDIF_DATA01 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA02__LCDIF_DATA02 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA03__LCDIF_DATA03 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA04__LCDIF_DATA04 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA05__LCDIF_DATA05 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA06__LCDIF_DATA06 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA07__LCDIF_DATA07 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA08__LCDIF_DATA08 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA09__LCDIF_DATA09 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA10__LCDIF_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA11__LCDIF_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA12__LCDIF_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA13__LCDIF_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA14__LCDIF_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA15__LCDIF_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA16__LCDIF_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA17__LCDIF_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA18__LCDIF_DATA18 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA19__LCDIF_DATA19 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA20__LCDIF_DATA20 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA21__LCDIF_DATA21 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA22__LCDIF_DATA22 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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MX6_PAD_LCD_DATA23__LCDIF_DATA23 | MUX_PAD_CTRL(LCD_PAD_CTRL),
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/* LCD_BLT_CTRL: GPIO for Brightness adjustment */
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MX6_PAD_NAND_ALE__GPIO4_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL),
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/* LCD_VDD_EN: LCD enabled */
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MX6_PAD_JTAG_TMS__GPIO1_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
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};
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void setup_lcd(void)
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{
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imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));
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gpio_request(IMX_GPIO_NR(4, 10), "lcd_brightness");
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gpio_request(IMX_GPIO_NR(1, 11), "lcd_enable");
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/* Set Brightness to high */
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gpio_direction_output(IMX_GPIO_NR(4, 10) , 1);
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/* Set LCD enable to high */
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gpio_direction_output(IMX_GPIO_NR(1, 11) , 1);
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}
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#endif
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int board_phy_config(struct phy_device *phydev)
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{
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phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x8190);
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if (phydev->drv->config)
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phydev->drv->config(phydev);
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return 0;
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}
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int dram_init(void)
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{
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gd->ram_size = imx_ddr_size();
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return 0;
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}
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static iomux_v3_cfg_t const uart6_pads[] = {
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MX6_PAD_CSI_MCLK__UART6_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
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MX6_PAD_CSI_PIXCLK__UART6_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
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};
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#define USB_OTHERREGS_OFFSET 0x800
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#define UCTRL_PWR_POL (1 << 9)
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static iomux_v3_cfg_t const usb_otg_pad[] = {
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MX6_PAD_GPIO1_IO00__ANATOP_OTG1_ID | MUX_PAD_CTRL(OTG_ID_PAD_CTRL),
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};
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static void setup_iomux_uart(void)
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{
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imx_iomux_v3_setup_multiple_pads(uart6_pads, ARRAY_SIZE(uart6_pads));
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}
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static void setup_usb(void)
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{
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imx_iomux_v3_setup_multiple_pads(usb_otg_pad, ARRAY_SIZE(usb_otg_pad));
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}
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int board_early_init_f(void)
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{
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setup_iomux_uart();
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return 0;
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}
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#ifdef CONFIG_DM_PMIC
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int power_init_board(void)
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{
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struct udevice *dev;
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int ret, dev_id, rev_id;
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ret = pmic_get("pfuze3000@8", &dev);
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if (ret == -ENODEV)
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return 0;
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if (ret != 0)
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return ret;
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dev_id = pmic_reg_read(dev, PFUZE3000_DEVICEID);
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rev_id = pmic_reg_read(dev, PFUZE3000_REVID);
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printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id);
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/* disable Low Power Mode during standby mode */
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pmic_reg_write(dev, PFUZE3000_LDOGCTL, 0x1);
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/* SW1B step ramp up time from 2us to 4us/25mV */
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pmic_reg_write(dev, PFUZE3000_SW1BCONF, 0x40);
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/* SW1B mode to APS/PFM */
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pmic_reg_write(dev, PFUZE3000_SW1BMODE, 0xc);
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/* SW1B standby voltage set to 0.975V */
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pmic_reg_write(dev, PFUZE3000_SW1BSTBY, 0xb);
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return 0;
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}
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#endif
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int board_usb_phy_mode(int port)
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{
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if (port == 1)
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return USB_INIT_HOST;
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else
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return USB_INIT_DEVICE;
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}
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int board_ehci_hcd_init(int port)
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{
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u32 *usbnc_usb_ctrl;
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if (port > 1)
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return -EINVAL;
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usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET +
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port * 4);
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/* Set Power polarity */
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setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL);
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return 0;
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}
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int board_init(void)
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{
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/* Address of boot parameters */
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gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
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setup_fec();
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setup_usb();
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#ifdef CONFIG_VIDEO_MXS
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setup_lcd();
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#endif
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return 0;
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}
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int checkboard(void)
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{
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puts("Board: PICO-IMX6UL-EMMC\n");
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return 0;
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}
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