xref: /OK3568_Linux_fs/u-boot/arch/x86/cpu/qemu/car.S (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun/*
2*4882a593Smuzhiyun * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * SPDX-License-Identifier:	GPL-2.0+
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun#include <config.h>
8*4882a593Smuzhiyun#include <asm/post.h>
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun.globl car_init
11*4882a593Smuzhiyuncar_init:
12*4882a593Smuzhiyun	/* Save the BIST result */
13*4882a593Smuzhiyun	movl	%eax, %ebp
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun	post_code(POST_CAR_START)
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun	/*
18*4882a593Smuzhiyun	 * Since we know we are running inside emulator,
19*4882a593Smuzhiyun	 * we can do nothing here for CAR initialization.
20*4882a593Smuzhiyun	 */
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun	/* Restore the BIST result */
23*4882a593Smuzhiyun	movl	%ebp, %eax
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun	post_code(POST_CAR_CPU_CACHE)
26*4882a593Smuzhiyun	jmp	car_init_ret
27