From 300081aa68d705ce954c516751a9c03efa1fba5e Mon Sep 17 00:00:00 2001
From: Stefan Reinauer <reinauer@chromium.org>
Date: Mon, 3 Dec 2012 13:58:12 +0000
Subject: [PATCH] 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>
---
arch/x86/cpu/coreboot/coreboot.c | 2 ++
include/configs/coreboot.h | 2 +-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/x86/cpu/coreboot/coreboot.c b/arch/x86/cpu/coreboot/coreboot.c
index f262800917..5a4c3e5b1c 100644
--- a/arch/x86/cpu/coreboot/coreboot.c
+++ b/arch/x86/cpu/coreboot/coreboot.c
@@ -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);
}
diff --git a/include/configs/coreboot.h b/include/configs/coreboot.h
index e45ecad7b4..94b6917632 100644
--- a/include/configs/coreboot.h
+++ b/include/configs/coreboot.h
@@ -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
--
2.39.5