[U-Boot] [PATCH 11/20] x86: Emit port 80 post codes in show_boot_progress()

Simon Glass sjg at chromium.org
Sat Nov 3 22:41:33 CET 2012


From: Stefan Reinauer <reinauer at 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 at google.com>

Signed-off-by: Simon Glass <sjg at chromium.org>
---
 arch/x86/cpu/coreboot/coreboot.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/x86/cpu/coreboot/coreboot.c b/arch/x86/cpu/coreboot/coreboot.c
index d1be8ff..2912443 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);
 }
 
 
-- 
1.7.7.3



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