1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright (c) 2015 Google, Inc 4 */ 5 6 #include <common.h> 7 #include <efi.h> 8 #include <asm/u-boot-x86.h> 9 10 DECLARE_GLOBAL_DATA_PTR; 11 12 ulong board_get_usable_ram_top(ulong total_size) 13 { 14 return (ulong)efi_get_ram_base() + gd->ram_size; 15 } 16 17 int dram_init(void) 18 { 19 /* gd->ram_size is set as part of EFI init */ 20 21 return 0; 22 } 23 24 int dram_init_banksize(void) 25 { 26 gd->bd->bi_dram[0].start = efi_get_ram_base(); 27 gd->bd->bi_dram[0].size = CONFIG_EFI_RAM_SIZE; 28 29 return 0; 30 } 31