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// SPDX-License-Identifier: GPL-2.0
/*
* board/renesas/rcar-common/common.c
*
* Copyright (C) 2013 Renesas Electronics Corporation
* Copyright (C) 2013 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
* Copyright (C) 2015 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
*/
#include <common.h>
#include <asm/arch/rmobile.h>
#ifdef CONFIG_RCAR_GEN3
DECLARE_GLOBAL_DATA_PTR;
/* If the firmware passed a device tree use it for U-Boot DRAM setup. */
extern u64 rcar_atf_boot_args[];
int dram_init(void)
{
const void *atf_fdt_blob = (const void *)(rcar_atf_boot_args[1]);
const void *blob;
/* Check if ATF passed us DTB. If not, fall back to builtin DTB. */
if (fdt_magic(atf_fdt_blob) == FDT_MAGIC)
blob = atf_fdt_blob;
else
blob = gd->fdt_blob;
return fdtdec_setup_mem_size_base_fdt(blob);
}
int dram_init_banksize(void)
{
const void *atf_fdt_blob = (const void *)(rcar_atf_boot_args[1]);
const void *blob;
/* Check if ATF passed us DTB. If not, fall back to builtin DTB. */
if (fdt_magic(atf_fdt_blob) == FDT_MAGIC)
blob = atf_fdt_blob;
else
blob = gd->fdt_blob;
fdtdec_setup_memory_banksize_fdt(blob);
return 0;
}
#endif
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