Files
Linux_Drivers/u-boot-2021.10/arch/x86/cpu/efi/sdram.c
sam.xiang f8fc109960 [uboot] create uboot from github:
repo: https://github.com/u-boot/u-boot
	commit: d80bb749fab53da72c4a0e09b8c2d2aaa3103c91

Change-Id: Ie6434426e1ec15bc08bb1832798e371f3fd5fb29
2023-03-10 20:30:57 +08:00

33 lines
547 B
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2015 Google, Inc
*/
#include <common.h>
#include <efi.h>
#include <init.h>
#include <asm/global_data.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;
}