diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/drivers/pc80/mc146818rtc.c | 8 | ||||
| -rw-r--r-- | src/include/pc80/mc146818rtc.h | 2 |
2 files changed, 6 insertions, 4 deletions
diff --git a/src/drivers/pc80/mc146818rtc.c b/src/drivers/pc80/mc146818rtc.c index d832544b17..52cfb63275 100644 --- a/src/drivers/pc80/mc146818rtc.c +++ b/src/drivers/pc80/mc146818rtc.c @@ -84,10 +84,10 @@ 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(COREBOOT_BUILD_WEEKDAY, RTC_CLK_DAYOFWEEK); - cmos_write(COREBOOT_BUILD_DAY, RTC_CLK_DAYOFMONTH); - cmos_write(COREBOOT_BUILD_MONTH, RTC_CLK_MINUTE); - cmos_write(COREBOOT_BUILD_YEAR, RTC_CLK_YEAR); + cmos_write(RTC_TO_BCD(COREBOOT_BUILD_WEEKDAY), 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); if (has_century) cmos_write(0x20, RTC_CLK_ALTCENTURY); } diff --git a/src/include/pc80/mc146818rtc.h b/src/include/pc80/mc146818rtc.h index a916761222..61b522ca74 100644 --- a/src/include/pc80/mc146818rtc.h +++ b/src/include/pc80/mc146818rtc.h @@ -63,6 +63,8 @@ # define RTC_24H 0x02 /* 24 hour mode - else hours bit 7 means pm */ # define RTC_DST_EN 0x01 /* auto switch DST - works f. USA only */ +#define RTC_TO_BCD(value) (((value / 10) << 4) | (value % 10)) + /**********************************************************************/ #define RTC_INTR_FLAGS RTC_REG_C /* caution - cleared by read */ |