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path: root/drivers/rtc/ds1337.c
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Diffstat (limited to 'drivers/rtc/ds1337.c')
-rw-r--r--drivers/rtc/ds1337.c26
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
}