diff options
Diffstat (limited to 'src/pc80/mc146818rtc_early.c')
| -rw-r--r-- | src/pc80/mc146818rtc_early.c | 31 |
1 files changed, 3 insertions, 28 deletions
diff --git a/src/pc80/mc146818rtc_early.c b/src/pc80/mc146818rtc_early.c index fa1f388804..ed1f0926f0 100644 --- a/src/pc80/mc146818rtc_early.c +++ b/src/pc80/mc146818rtc_early.c @@ -1,8 +1,5 @@ #include <pc80/mc146818rtc.h> #include <fallback.h> -#if CONFIG_HAVE_OPTION_TABLE -#include <option_table.h> -#endif #ifndef CONFIG_MAX_REBOOT_CNT #error "CONFIG_MAX_REBOOT_CNT not defined" @@ -11,28 +8,6 @@ #error "CONFIG_MAX_REBOOT_CNT too high" #endif -static unsigned char cmos_read(unsigned char addr) -{ - int offs = 0; - if (addr >= 128) { - offs = 2; - addr -= 128; - } - outb(addr, RTC_BASE_PORT + offs + 0); - return inb(RTC_BASE_PORT + offs + 1); -} - -static void cmos_write(unsigned char val, unsigned char addr) -{ - int offs = 0; - if (addr >= 128) { - offs = 2; - addr -= 128; - } - outb(addr, RTC_BASE_PORT + offs + 0); - outb(val, RTC_BASE_PORT + offs + 1); -} - static int cmos_error(void) { unsigned char reg_d; @@ -43,7 +18,7 @@ static int cmos_error(void) static int cmos_chksum_valid(void) { -#if CONFIG_HAVE_OPTION_TABLE == 1 +#if CONFIG_USE_OPTION_TABLE unsigned char addr; unsigned long sum, old_sum; sum = 0; @@ -114,9 +89,9 @@ static inline int do_normal_boot(void) return (byte & (1<<1)); } -static inline unsigned read_option(unsigned start, unsigned size, unsigned def) +unsigned read_option(unsigned start, unsigned size, unsigned def) { -#if CONFIG_USE_OPTION_TABLE == 1 +#if CONFIG_USE_OPTION_TABLE unsigned byte; byte = cmos_read(start/8); return (byte >> (start & 7U)) & ((1U << size) - 1U); |