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91729f824b
Introduce weak renesas_dram_init_banksize() function which is meant to be used to adjust DRAM bank sizes after the common Renesas board DRAM bank handling code finished. This is mainly meant for boards which ship with multiple DRAM size options, which can be detected at runtime. This allows such boards to ship with single U-Boot binary on all boards. Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
77 lines
1.5 KiB
C
77 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* board/renesas/common/common.c
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*
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* Copyright (C) 2013 Renesas Electronics Corporation
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* Copyright (C) 2013 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
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* Copyright (C) 2015 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
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*/
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#include <dm.h>
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#include <fdt_support.h>
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#include <hang.h>
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#include <init.h>
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#include <asm/global_data.h>
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#include <asm/io.h>
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#include <dm/uclass-internal.h>
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#include <asm/arch/renesas.h>
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#include <asm/system.h>
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#include <linux/libfdt.h>
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DECLARE_GLOBAL_DATA_PTR;
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int dram_init(void)
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{
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int ret = fdtdec_setup_mem_size_base();
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if (current_el() == 3 && gd->ram_base == 0x48000000) {
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/*
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* If this U-Boot runs in EL3, make the bottom 128 MiB
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* available for loading of follow up firmware blobs.
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*/
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gd->ram_base -= 0x8000000;
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gd->ram_size += 0x8000000;
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}
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return ret;
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}
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__weak void renesas_dram_init_banksize(void) { }
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int dram_init_banksize(void)
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{
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int bank;
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fdtdec_setup_memory_banksize();
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if (current_el() != 3)
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return 0;
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for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {
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if (gd->bd->bi_dram[bank].start != 0x48000000)
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continue;
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/*
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* If this U-Boot runs in EL3, make the bottom 128 MiB
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* available for loading of follow up firmware blobs.
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*/
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gd->bd->bi_dram[bank].start -= 0x8000000;
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gd->bd->bi_dram[bank].size += 0x8000000;
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break;
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}
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renesas_dram_init_banksize();
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return 0;
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}
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int __weak board_init(void)
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{
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return 0;
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}
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int __weak board_early_init_f(void)
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{
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return 0;
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}
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