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/*
* (C) Copyright 2016 Rockchip Electronics Co., Ltd.
*
* SPDX-License-Identifier: GPL-2.0
*/
#include <common.h>
#include <dm.h>
#include <ram.h>
#include <syscon.h>
#include <asm/arch/clock.h>
#include <asm/arch/grf_rk3368.h>
#include <asm/arch/sdram_common.h>
DECLARE_GLOBAL_DATA_PTR;
struct dram_info {
struct ram_info info;
struct rk3368_pmu_grf *pmugrf;
};
static int rk3368_dmc_probe(struct udevice *dev)
{
struct dram_info *priv = dev_get_priv(dev);
priv->pmugrf = syscon_get_first_range(ROCKCHIP_SYSCON_PMUGRF);
debug("%s: grf=%p\n", __func__, priv->pmugrf);
priv->info.base = CONFIG_SYS_SDRAM_BASE;
priv->info.size = rockchip_sdram_size(
(phys_addr_t)&priv->pmugrf->os_reg[2]);
return 0;
}
static int rk3368_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 rk3368_dmc_ops = {
.get_info = rk3368_dmc_get_info,
};
static const struct udevice_id rk3368_dmc_ids[] = {
{ .compatible = "rockchip,rk3368-dmc" },
{ }
};
U_BOOT_DRIVER(dmc_rk3368) = {
.name = "rockchip_rk3368_dmc",
.id = UCLASS_RAM,
.of_match = rk3368_dmc_ids,
.ops = &rk3368_dmc_ops,
.probe = rk3368_dmc_probe,
.priv_auto_alloc_size = sizeof(struct dram_info),
};
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