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 11 DECLARE_GLOBAL_DATA_PTR; 12 13 ulong board_get_usable_ram_top(ulong total_size) 14 { 15 return (ulong)efi_get_ram_base() + gd->ram_size; 16 } 17 18 int dram_init(void) 19 { 20 /* gd->ram_size is set as part of EFI init */ 21 22 return 0; 23 } 24 25 int 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 return 0; 31 } 32