diff options
Diffstat (limited to 'drivers/rtc/ds1337.c')
| -rw-r--r-- | drivers/rtc/ds1337.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/rtc/ds1337.c b/drivers/rtc/ds1337.c index 5bb9f94..4c98732 100644 --- a/drivers/rtc/ds1337.c +++ b/drivers/rtc/ds1337.c @@ -37,6 +37,7 @@ /* * RTC register addresses */ +#if defined CONFIG_RTC_DS1337 #define RTC_SEC_REG_ADDR 0x0 #define RTC_MIN_REG_ADDR 0x1 #define RTC_HR_REG_ADDR 0x2 @@ -47,6 +48,18 @@ #define RTC_CTL_REG_ADDR 0x0e #define RTC_STAT_REG_ADDR 0x0f #define RTC_TC_REG_ADDR 0x10 +#elif defined CONFIG_RTC_DS1388 +#define RTC_SEC_REG_ADDR 0x1 +#define RTC_MIN_REG_ADDR 0x2 +#define RTC_HR_REG_ADDR 0x3 +#define RTC_DAY_REG_ADDR 0x4 +#define RTC_DATE_REG_ADDR 0x5 +#define RTC_MON_REG_ADDR 0x6 +#define RTC_YR_REG_ADDR 0x7 +#define RTC_CTL_REG_ADDR 0x0c +#define RTC_STAT_REG_ADDR 0x0b +#define RTC_TC_REG_ADDR 0x0a +#endif /* * RTC control register bits @@ -87,6 +100,11 @@ int rtc_get (struct rtc_time *tmp) mon_cent = rtc_read (RTC_MON_REG_ADDR); year = rtc_read (RTC_YR_REG_ADDR); + /* No century bit, assume year 2000 */ +#ifdef CONFIG_RTC_DS1388 + mon_cent |= 0x80; +#endif + debug("Get RTC year: %02x mon/cent: %02x mday: %02x wday: %02x " "hr: %02x min: %02x sec: %02x control: %02x status: %02x\n", year, mon_cent, mday, wday, hour, min, sec, control, status); @@ -151,6 +169,7 @@ int rtc_set (struct rtc_time *tmp) * 600 nA to 2uA. Define CONFIG_SYS_RTC_DS1337_NOOSC if you wish to turn * off the OSC output. */ + #ifdef CONFIG_SYS_RTC_DS1337_NOOSC #define RTC_DS1337_RESET_VAL \ (RTC_CTL_BIT_INTCN | RTC_CTL_BIT_RS1 | RTC_CTL_BIT_RS2) @@ -159,10 +178,17 @@ int rtc_set (struct rtc_time *tmp) #endif void rtc_reset (void) { +#ifdef CONFIG_SYS_RTC_DS1337 rtc_write (RTC_CTL_REG_ADDR, RTC_DS1337_RESET_VAL); +#elif defined CONFIG_SYS_RTC_DS1388 + rtc_write(RTC_CTL_REG_ADDR, 0x0); /* hw default */ +#endif #ifdef CONFIG_SYS_DS1339_TCR_VAL rtc_write (RTC_TC_REG_ADDR, CONFIG_SYS_DS1339_TCR_VAL); #endif +#ifdef CONFIG_SYS_DS1388_TCR_VAL + rtc_write(RTC_TC_REG_ADDR, CONFIG_SYS_DS1388_TCR_VAL); +#endif } |