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path: root/drivers/rtc/m41t60.c
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Diffstat (limited to 'drivers/rtc/m41t60.c')
-rw-r--r--drivers/rtc/m41t60.c24
1 files changed, 13 insertions, 11 deletions
diff --git a/drivers/rtc/m41t60.c b/drivers/rtc/m41t60.c
index 402a8c829..e34a5f478 100644
--- a/drivers/rtc/m41t60.c
+++ b/drivers/rtc/m41t60.c
@@ -34,7 +34,7 @@
#include <rtc.h>
#include <i2c.h>
-#if defined(CFG_I2C_RTC_ADDR) && defined(CONFIG_CMD_DATE)
+#if defined(CONFIG_SYS_I2C_RTC_ADDR) && defined(CONFIG_CMD_DATE)
static unsigned bcd2bin(uchar n)
{
@@ -85,7 +85,7 @@ static void rtc_dump(char const *const label)
{
uchar data[8];
- if (i2c_read(CFG_I2C_RTC_ADDR, 0, 1, data, sizeof(data))) {
+ if (i2c_read(CONFIG_SYS_I2C_RTC_ADDR, 0, 1, data, sizeof(data))) {
printf("I2C read failed in rtc_dump()\n");
return;
}
@@ -114,7 +114,7 @@ static uchar *rtc_validate(void)
uchar min, date, month, years;
rtc_dump("begin validate");
- if (i2c_read(CFG_I2C_RTC_ADDR, 0, 1, data, sizeof(data))) {
+ if (i2c_read(CONFIG_SYS_I2C_RTC_ADDR, 0, 1, data, sizeof(data))) {
printf("I2C read failed in rtc_validate()\n");
return 0;
}
@@ -125,7 +125,7 @@ static uchar *rtc_validate(void)
if (0x00 != (data[RTC_CTRL] & 0x80)) {
printf("M41T60 RTC clock lost power.\n");
data[RTC_SEC] = 0x80;
- if (i2c_write(CFG_I2C_RTC_ADDR, RTC_SEC, 1, data, 1)) {
+ if (i2c_write(CONFIG_SYS_I2C_RTC_ADDR, RTC_SEC, 1, data, 1)) {
printf("I2C write failed in rtc_validate()\n");
return 0;
}
@@ -161,7 +161,7 @@ static uchar *rtc_validate(void)
data[RTC_YEAR] = 0x00;
data[RTC_CTRL] &= 0x7F; /* reset OUT bit */
- if (i2c_write(CFG_I2C_RTC_ADDR, 0, 1, data, sizeof(data))) {
+ if (i2c_write(CONFIG_SYS_I2C_RTC_ADDR, 0, 1, data, sizeof(data))) {
printf("I2C write failed in rtc_validate()\n");
return 0;
}
@@ -193,12 +193,12 @@ int rtc_get(struct rtc_time *tmp)
return 0;
}
-void rtc_set(struct rtc_time *tmp)
+int rtc_set(struct rtc_time *tmp)
{
uchar *const data = rtc_validate();
if (!data)
- return;
+ return -1;
debug("Set DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n",
tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
@@ -212,10 +212,12 @@ void rtc_set(struct rtc_time *tmp)
data[RTC_YEAR] = bin2bcd(tmp->tm_year % 100);
data[RTC_MONTH] |= year2cb(tmp->tm_year) << 6;
data[RTC_DAY] = bin2bcd(tmp->tm_wday + 1) & 0x07;
- if (i2c_write(CFG_I2C_RTC_ADDR, 0, 1, data, RTC_REG_CNT)) {
+ if (i2c_write(CONFIG_SYS_I2C_RTC_ADDR, 0, 1, data, RTC_REG_CNT)) {
printf("I2C write failed in rtc_set()\n");
- return;
+ return -1;
}
+
+ return 0;
}
void rtc_reset(void)
@@ -253,10 +255,10 @@ void rtc_reset(void)
* Turn off frequency test.
*/
data[RTC_CTRL] &= 0xBF;
- if (i2c_write(CFG_I2C_RTC_ADDR, RTC_CTRL, 1, data + RTC_CTRL, 1)) {
+ if (i2c_write(CONFIG_SYS_I2C_RTC_ADDR, RTC_CTRL, 1, data + RTC_CTRL, 1)) {
printf("I2C write failed in rtc_reset()\n");
return;
}
rtc_dump("end reset");
}
-#endif /* CONFIG_RTC_M41T60 && CFG_I2C_RTC_ADDR && CONFIG_CMD_DATE */
+#endif /* CONFIG_RTC_M41T60 && CONFIG_SYS_I2C_RTC_ADDR && CONFIG_CMD_DATE */