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[U-Boot,v2,11/21] x86: Emit port 80 post codes in show_boot_progress()

Message ID 1354579092-2142-1-git-send-email-sjg@chromium.org
State Accepted, archived
Delegated to: Simon Glass
Headers show

Commit Message

Simon Glass Dec. 3, 2012, 11:58 p.m. UTC 
From: Stefan Reinauer <reinauer@chromium.org>

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>
---
Changes in v2:
- Enable boot progress in coreboot config file

 arch/x86/cpu/coreboot/coreboot.c |    2 ++
 include/configs/coreboot.h       |    2 +-
 2 files changed, 3 insertions(+), 1 deletions(-)
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Patch

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);
 }
 
 
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