commit 43a2fddbe3bd632d8094c95a960999a1a8ba9330
author Stefan Reinauer <reinauer@chromium.org> Mon Dec 03 13:58:12 2012 +0000
committer Simon Glass <sjg@chromium.org> Thu Dec 06 14:30:43 2012 -0800
tree 717d2a5cbd502c5e3d8a926fb004dde9b3ca913f
parent 791f61b22978d5f1f11429eab58c24fd1d0dd729

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

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 @@
 
 void show_boot_progress(int val)
 {
+	outb(val, 0x80);
 }
 
 

include/configs/coreboot.h

diff --git a/include/configs/coreboot.h b/include/configs/coreboot.h
index e45ecad..94b6917 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