From 8cc38d2f13bfacddd5e97c1cb3340bcdca4093b0 Mon Sep 17 00:00:00 2001 From: Uwe Hermann Date: Thu, 27 Mar 2008 23:26:40 +0000 Subject: Add initial support for some basic CMOS read/write functions and the bcd2dec()/dec2bcd() functions we'll need for (among other things) converting some date/time parameters in CMOS. Signed-off-by: Uwe Hermann Acked-by: Jordan Crouse git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3192 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- payloads/libpayload/include/libpayload.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'payloads/libpayload/include') diff --git a/payloads/libpayload/include/libpayload.h b/payloads/libpayload/include/libpayload.h index 34258cf49b..6d80004a98 100644 --- a/payloads/libpayload/include/libpayload.h +++ b/payloads/libpayload/include/libpayload.h @@ -41,6 +41,18 @@ #define MAX(a,b) ((a) > (b) ? (a) : (b)) #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) +/* Some CMOS byte definitions */ +#define CMOS_RTC_SECONDS 0 +#define CMOS_RTC_MINUTES 2 +#define CMOS_RTC_HOURS 4 +#define CMOS_RTC_DAY 7 +#define CMOS_RTC_MONTH 8 +#define CMOS_RTC_YEAR 9 + +/* drivers/cmos.c */ +u8 cmos_read(u8 addr); +void cmos_write(u8 val, u8 addr); + /* drivers/keyboard.c */ int keyboard_havechar(void); unsigned char keyboard_get_scancode(void); @@ -87,6 +99,10 @@ void *malloc(size_t size); void *calloc(size_t nmemb, size_t size); void *realloc(void *ptr, size_t size); +/* libc/lib.c */ +int bcd2dec(int b); +int dec2bcd(int d); + /* libc/memory.c */ void *memset(void *s, int c, size_t n); void *memcpy(void *dst, const void *src, size_t n); -- cgit v1.2.3