1/* 2 * Copyright (c) 2015 Google, Inc 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7#include <common.h> 8#include <efi.h> 9#include <asm/u-boot-x86.h> 10 11DECLARE_GLOBAL_DATA_PTR; 12 13ulong board_get_usable_ram_top(ulong total_size) 14{ 15 return (ulong)efi_get_ram_base() + gd->ram_size; 16} 17 18int dram_init(void) 19{ 20 /* gd->ram_size is set as part of EFI init */ 21 22 return 0; 23} 24 25void dram_init_banksize(void) 26{ 27 gd->bd->bi_dram[0].start = efi_get_ram_base(); 28 gd->bd->bi_dram[0].size = CONFIG_EFI_RAM_SIZE; 29} 30