u-boot/board/renesas/rcar-common/common.c

// 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 <dm.h>
#include <init.h>
#include <dm/uclass-internal.h>
#include <asm/arch/rmobile.h>
#include <linux/libfdt.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 fdtdec_board_setup(const void *fdt_blob)
{
	void *atf_fdt_blob = (void *)(rcar_atf_boot_args[1]);

	if (fdt_magic(atf_fdt_blob) == FDT_MAGIC)
		fdt_overlay_apply_node((void *)fdt_blob, 0, atf_fdt_blob, 0);

	return 0;
}

int dram_init(void)
{
	return fdtdec_setup_mem_size_base();
}

int dram_init_banksize(void)
{
	fdtdec_setup_memory_banksize();

	return 0;
}
#endif