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: 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 ++
 1 file changed, 2 insertions(+)

(limited to 'arch')

diff --git a/arch/x86/cpu/coreboot/coreboot.c b/arch/x86/cpu/coreboot/coreboot.c
index f262800..5a4c3e5 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);
 }
 
 
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