From 094920ddd327149e1f513bca413e536806b69f9e Mon Sep 17 00:00:00 2001 From: Zheng Bao Date: Fri, 9 Nov 2012 18:15:54 +0800 Subject: mc146818rtc: Update the Day of Week in CMOS in the right way. The range of weekday in CMOS is 01-07, while the Sunday is 1, and Saturday is 7. The comand date in coreutils defines %u day of week (1..7); 1 is Monday %w day of week (0..6); 0 is Sunday There are 1 day offset for each week day. So we use "%w" and plus 1 before we update the weekday in CMOS. Change-Id: I3fab4e95f04924ff0ba10a7012b57da1d3f0d1a5 Signed-off-by: Zheng Bao Signed-off-by: zbao Reviewed-on: http://review.coreboot.org/1802 Tested-by: build bot (Jenkins) Reviewed-by: Anton Kochkov --- src/drivers/pc80/mc146818rtc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/drivers') diff --git a/src/drivers/pc80/mc146818rtc.c b/src/drivers/pc80/mc146818rtc.c index 6e5b92a35c..aee4df71e1 100644 --- a/src/drivers/pc80/mc146818rtc.c +++ b/src/drivers/pc80/mc146818rtc.c @@ -87,7 +87,7 @@ static void rtc_update_cmos_date(u8 has_century) cmos_write(0, RTC_CLK_SECOND); cmos_write(0, RTC_CLK_MINUTE); cmos_write(1, RTC_CLK_HOUR); - cmos_write(RTC_TO_BCD(COREBOOT_BUILD_WEEKDAY), RTC_CLK_DAYOFWEEK); + cmos_write(RTC_TO_BCD(COREBOOT_BUILD_WEEKDAY) + 1, RTC_CLK_DAYOFWEEK); cmos_write(RTC_TO_BCD(COREBOOT_BUILD_DAY), RTC_CLK_DAYOFMONTH); cmos_write(RTC_TO_BCD(COREBOOT_BUILD_MONTH), RTC_CLK_MINUTE); cmos_write(RTC_TO_BCD(COREBOOT_BUILD_YEAR), RTC_CLK_YEAR); -- cgit v1.2.3