mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-09-07 13:23:20 +09:00
![Tom Rini](/assets/img/avatar_default.png)
We have a large number of places where while we historically referenced gd in the code we no longer do, as well as cases where the code added that line "just in case" during development and never dropped it. Signed-off-by: Tom Rini <trini@konsulko.com>
59 lines
1.2 KiB
C
59 lines
1.2 KiB
C
/*
|
|
* (C) Copyright 2017 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_rk3128.h>
|
|
#include <asm/arch/sdram_common.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 = CONFIG_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_alloc_size = sizeof(struct dram_info),
|
|
};
|