u-boot/arch/x86/cpu/efi/sdram.c

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/*
* Copyright (c) 2015 Google, Inc
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <efi.h>
#include <asm/u-boot-x86.h>
DECLARE_GLOBAL_DATA_PTR;
ulong board_get_usable_ram_top(ulong total_size)
{
return (ulong)efi_get_ram_base() + gd->ram_size;
}
int dram_init(void)
{
/* gd->ram_size is set as part of EFI init */
return 0;
}
int dram_init_banksize(void)
{
gd->bd->bi_dram[0].start = efi_get_ram_base();
gd->bd->bi_dram[0].size = CONFIG_EFI_RAM_SIZE;
return 0;
}