From d5686fe23b1341ca2c72b2941cf80577e6198f23 Mon Sep 17 00:00:00 2001 From: Duncan Laurie Date: Mon, 10 Jun 2013 10:21:41 -0700 Subject: Extend CMOS POST code logging to store extra data This can be used to indicate sub-state within a POST code range which can assist in debugging BIOS hangs. For example this can be used to indicate which device is about to be initialized so if the system hangs while talking to that device it can be identified. Change-Id: I2f8155155f09fe9e242ebb7204f0b5cba3a1fa1e Signed-off-by: Duncan Laurie Reviewed-on: https://gerrit.chromium.org/gerrit/58104 Reviewed-on: http://review.coreboot.org/4229 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc --- src/include/pc80/mc146818rtc.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'src/include/pc80') diff --git a/src/include/pc80/mc146818rtc.h b/src/include/pc80/mc146818rtc.h index ef48a361d3..b0e9f2cc03 100644 --- a/src/include/pc80/mc146818rtc.h +++ b/src/include/pc80/mc146818rtc.h @@ -202,11 +202,20 @@ static inline enum cb_err get_option(void *dest __attribute__((unused)), # endif #endif +/* + * 0 = Bank Select Magic + * 1 = Bank 0 POST + * 2 = Bank 1 POST + * 3-6 = BANK 0 Extra log + * 7-10 = BANK 1 Extra log + */ #define CMOS_POST_BANK_OFFSET (CMOS_POST_OFFSET) #define CMOS_POST_BANK_0_MAGIC 0x80 #define CMOS_POST_BANK_0_OFFSET (CMOS_POST_OFFSET + 1) +#define CMOS_POST_BANK_0_EXTRA (CMOS_POST_OFFSET + 3) #define CMOS_POST_BANK_1_MAGIC 0x81 #define CMOS_POST_BANK_1_OFFSET (CMOS_POST_OFFSET + 2) +#define CMOS_POST_BANK_1_EXTRA (CMOS_POST_OFFSET + 7) void cmos_post_log(void); #endif /* CONFIG_CMOS_POST */ -- cgit v1.2.3