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u-boot-megous/drivers/ram/rockchip/sdram_rk3128.c
Tom Rini d678a59d2d Revert "Merge patch series "arm: dts: am62-beagleplay: Fix Beagleplay Ethernet""
When bringing in the series 'arm: dts: am62-beagleplay: Fix Beagleplay
Ethernet"' I failed to notice that b4 noticed it was based on next and
so took that as the base commit and merged that part of next to master.

This reverts commit c8ffd1356d, reversing
changes made to 2ee6f3a5f7.

Reported-by: Jonas Karlman <jonas@kwiboo.se>
Signed-off-by: Tom Rini <trini@konsulko.com>
2024-05-19 08:16:36 -06:00

59 lines
1.2 KiB
C

// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
/*
* (C) Copyright 2017 Rockchip Electronics Co., Ltd.
*/
#include <common.h>
#include <dm.h>
#include <log.h>
#include <ram.h>
#include <syscon.h>
#include <asm/arch-rockchip/clock.h>
#include <asm/arch-rockchip/grf_rk3128.h>
#include <asm/arch-rockchip/sdram.h>
struct dram_info {
struct ram_info info;
struct rk3128_grf *grf;
};
static int rk3128_dmc_probe(struct udevice *dev)
{
struct dram_info *priv = dev_get_priv(dev);
priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
debug("%s: grf=%p\n", __func__, priv->grf);
priv->info.base = CFG_SYS_SDRAM_BASE;
priv->info.size = rockchip_sdram_size(
(phys_addr_t)&priv->grf->os_reg[1]);
return 0;
}
static int rk3128_dmc_get_info(struct udevice *dev, struct ram_info *info)
{
struct dram_info *priv = dev_get_priv(dev);
*info = priv->info;
return 0;
}
static struct ram_ops rk3128_dmc_ops = {
.get_info = rk3128_dmc_get_info,
};
static const struct udevice_id rk3128_dmc_ids[] = {
{ .compatible = "rockchip,rk3128-dmc" },
{ }
};
U_BOOT_DRIVER(dmc_rk3128) = {
.name = "rockchip_rk3128_dmc",
.id = UCLASS_RAM,
.of_match = rk3128_dmc_ids,
.ops = &rk3128_dmc_ops,
.probe = rk3128_dmc_probe,
.priv_auto = sizeof(struct dram_info),
};