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uboot-vybrid_public
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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>
Stefan Reinauer 12 years ago
parent
2712f08898
commit
300081aa68
2 changed files with 3 additions and 1 deletions
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  1. 2 0
      arch/x86/cpu/coreboot/coreboot.c
  2. 1 1
      include/configs/coreboot.h

+ 2 - 0
arch/x86/cpu/coreboot/coreboot.c
View File 

@@ -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 - 1
include/configs/coreboot.h
View File 

@@ -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