u-boot/arch/x86/cpu/efi/sdram.c
Ben Stoltz 3dcdd17b43 x86: Add support for U-Boot as an EFI application
Add the required x86 glue code. This includes the initial start-up,
relocation and jumping to efi_main(). We also need to avoid fiddling with
interrupts.

Signed-off-by: Ben Stoltz <stoltz@google.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2015-08-05 08:44:06 -06:00

29 lines
492 B
C

/*
* Copyright (c) 2015 Google, Inc
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <efi.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;
}
void dram_init_banksize(void)
{
gd->bd->bi_dram[0].start = efi_get_ram_base();
gd->bd->bi_dram[0].size = CONFIG_EFI_RAM_SIZE;
}