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x86: Emit port 80 post codes in show_boot_progress() 

This helps us monitor boot progress and determine where U-Boot dies if
there are any problems.

Signed-off-by: Stefan Reinauer <reinauer@google.com>

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Stefan Reinauer 2012-12-03 13:58:12 +00:00 committed by Simon Glass
parent 2712f08898
commit 300081aa68
2 changed files with 3 additions and 1 deletions
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2
arch/x86/cpu/coreboot/coreboot.c
View File

@ -28,6 +28,7 @@
#include <netdev.h>
#include <asm/msr.h>
#include <asm/cache.h>
#include <asm/io.h>
#include <asm/arch-coreboot/tables.h>
#include <asm/arch-coreboot/sysinfo.h>
#include <asm/arch/timestamp.h>
@ -68,6 +69,7 @@ int board_early_init_r(void)
void show_boot_progress(int val)
{
outb(val, 0x80);
}

2
include/configs/coreboot.h
View File

@ -35,7 +35,7 @@
* (easy to change)
*/
#define CONFIG_SYS_COREBOOT
#undef CONFIG_SHOW_BOOT_PROGRESS
#define CONFIG_SHOW_BOOT_PROGRESS
#define CONFIG_LAST_STAGE_INIT
#define CONFIG_X86_NO_RESET_VECTOR
#define CONFIG_SYS_VSNPRINTF