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 <init.h>
9 #include <asm/global_data.h>
10 #include <asm/u-boot-x86.h>
11 
12 DECLARE_GLOBAL_DATA_PTR;
13 
board_get_usable_ram_top(ulong total_size)14 ulong board_get_usable_ram_top(ulong total_size)
15 {
16 	return (ulong)efi_get_ram_base() + gd->ram_size;
17 }
18 
dram_init(void)19 int dram_init(void)
20 {
21 	/* gd->ram_size is set as part of EFI init */
22 
23 	return 0;
24 }
25 
dram_init_banksize(void)26 int dram_init_banksize(void)
27 {
28 	gd->bd->bi_dram[0].start = efi_get_ram_base();
29 	gd->bd->bi_dram[0].size = CONFIG_EFI_RAM_SIZE;
30 
31 	return 0;
32 }
33