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| author | Stefano Babic <sbabic@denx.de> | 2010-04-16 17:11:19 +0200 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2010-05-05 09:48:41 +0200 |
| commit | dfe5e14fa263eb8f1a9f087f0284788e7559821d (patch) | |
| tree | dab89f22049a3df99d302d7e2f5f92fc1f97c49b | |
| parent | 28bb6d34d3f431b7b00444e2f829b2c04f5daf4d (diff) | |
| download | u-boot-imx-dfe5e14fa263eb8f1a9f087f0284788e7559821d.zip u-boot-imx-dfe5e14fa263eb8f1a9f087f0284788e7559821d.tar.gz u-boot-imx-dfe5e14fa263eb8f1a9f087f0284788e7559821d.tar.bz2 | |
MX: RTC13783 uses general function to access PMIC
The RTC is part of the Freescale's PMIC controller.
Use general function to access to PMIC internal registers.
Signed-off-by: Stefano Babic <sbabic@denx.de>
Tested-by: Magnus Lilja <lilja.magnus@gmail.com>
| -rw-r--r-- | drivers/rtc/mc13783-rtc.c | 72 | ||||
| -rw-r--r-- | include/configs/imx31_litekit.h | 9 | ||||
| -rw-r--r-- | include/configs/mx31ads.h | 8 | ||||
| -rw-r--r-- | include/configs/mx31pdk.h | 9 |
4 files changed, 31 insertions, 67 deletions
diff --git a/drivers/rtc/mc13783-rtc.c b/drivers/rtc/mc13783-rtc.c index 416f50d..4e18f80 100644 --- a/drivers/rtc/mc13783-rtc.c +++ b/drivers/rtc/mc13783-rtc.c @@ -23,53 +23,30 @@ #include <common.h> #include <rtc.h> #include <spi.h> - -static struct spi_slave *slave; +#include <fsl_pmic.h> int rtc_get(struct rtc_time *rtc) { u32 day1, day2, time; - u32 reg; - int err, tim, i = 0; - - if (!slave) { - /* FIXME: Verify the max SCK rate */ - slave = spi_setup_slave(CONFIG_MC13783_SPI_BUS, - CONFIG_MC13783_SPI_CS, 1000000, - SPI_MODE_2 | SPI_CS_HIGH); - if (!slave) - return -1; - } - - if (spi_claim_bus(slave)) - return -1; + int tim, i = 0; do { - reg = 0x2c000000; - err = spi_xfer(slave, 32, (uchar *)®, (uchar *)&day1, - SPI_XFER_BEGIN | SPI_XFER_END); - - if (err) - return err; - - reg = 0x28000000; - err = spi_xfer(slave, 32, (uchar *)®, (uchar *)&time, - SPI_XFER_BEGIN | SPI_XFER_END); + day1 = pmic_reg_read(REG_RTC_DAY); + if (day1 < 0) + return -1; - if (err) - return err; + time = pmic_reg_read(REG_RTC_TIME); + if (time < 0) + return -1; - reg = 0x2c000000; - err = spi_xfer(slave, 32, (uchar *)®, (uchar *)&day2, - SPI_XFER_BEGIN | SPI_XFER_END); + day2 = pmic_reg_read(REG_RTC_DAY); + if (day2 < 0) + return -1; - if (err) - return err; } while (day1 != day2 && i++ < 3); - spi_release_bus(slave); - tim = day1 * 86400 + time; + to_tm(tim, rtc); rtc->tm_yday = 0; @@ -80,34 +57,15 @@ int rtc_get(struct rtc_time *rtc) int rtc_set(struct rtc_time *rtc) { - u32 time, day, reg; - - if (!slave) { - /* FIXME: Verify the max SCK rate */ - slave = spi_setup_slave(CONFIG_MC13783_SPI_BUS, - CONFIG_MC13783_SPI_CS, 1000000, - SPI_MODE_2 | SPI_CS_HIGH); - if (!slave) - return -1; - } + u32 time, day; time = mktime(rtc->tm_year, rtc->tm_mon, rtc->tm_mday, rtc->tm_hour, rtc->tm_min, rtc->tm_sec); day = time / 86400; time %= 86400; - if (spi_claim_bus(slave)) - return -1; - - reg = 0x2c000000 | day | 0x80000000; - spi_xfer(slave, 32, (uchar *)®, (uchar *)&day, - SPI_XFER_BEGIN | SPI_XFER_END); - - reg = 0x28000000 | time | 0x80000000; - spi_xfer(slave, 32, (uchar *)®, (uchar *)&time, - SPI_XFER_BEGIN | SPI_XFER_END); - - spi_release_bus(slave); + pmic_reg_write(REG_RTC_DAY, day); + pmic_reg_write(REG_RTC_TIME, time); return 0; } diff --git a/include/configs/imx31_litekit.h b/include/configs/imx31_litekit.h index d58ca8a..4904856 100644 --- a/include/configs/imx31_litekit.h +++ b/include/configs/imx31_litekit.h @@ -68,10 +68,13 @@ #define CONFIG_DEFAULT_SPI_BUS 1 #define CONFIG_DEFAULT_SPI_MODE (SPI_MODE_2 | SPI_CS_HIGH) +#define CONFIG_FSL_PMIC +#define CONFIG_FSL_PMIC_BUS 1 +#define CONFIG_FSL_PMIC_CS 0 +#define CONFIG_FSL_PMIC_CLK 1000000 +#define CONFIG_FSL_PMIC_MODE (SPI_MODE_2 | SPI_CS_HIGH) + #define CONFIG_RTC_MC13783 1 -/* MC13783 connected to CSPI2 and SS0 */ -#define CONFIG_MC13783_SPI_BUS 1 -#define CONFIG_MC13783_SPI_CS 0 /* allow to overwrite serial and ethaddr */ #define CONFIG_ENV_OVERWRITE diff --git a/include/configs/mx31ads.h b/include/configs/mx31ads.h index ec1c905..dedecd7 100644 --- a/include/configs/mx31ads.h +++ b/include/configs/mx31ads.h @@ -65,10 +65,12 @@ #define CONFIG_DEFAULT_SPI_BUS 1 #define CONFIG_DEFAULT_SPI_MODE (SPI_MODE_2 | SPI_CS_HIGH) +#define CONFIG_FSL_PMIC +#define CONFIG_FSL_PMIC_BUS 1 +#define CONFIG_FSL_PMIC_CS 0 +#define CONFIG_FSL_PMIC_CLK 1000000 +#define CONFIG_FSL_PMIC_MODE (SPI_MODE_2 | SPI_CS_HIGH) #define CONFIG_RTC_MC13783 1 -/* MC13783 connected to CSPI2 and SS0 */ -#define CONFIG_MC13783_SPI_BUS 1 -#define CONFIG_MC13783_SPI_CS 0 /* allow to overwrite serial and ethaddr */ #define CONFIG_ENV_OVERWRITE diff --git a/include/configs/mx31pdk.h b/include/configs/mx31pdk.h index bee2f45..0414cc3 100644 --- a/include/configs/mx31pdk.h +++ b/include/configs/mx31pdk.h @@ -69,12 +69,13 @@ #define CONFIG_DEFAULT_SPI_BUS 1 #define CONFIG_DEFAULT_SPI_MODE (SPI_MODE_2 | SPI_CS_HIGH) +#define CONFIG_FSL_PMIC +#define CONFIG_FSL_PMIC_BUS 1 +#define CONFIG_FSL_PMIC_CS 2 +#define CONFIG_FSL_PMIC_CLK 1000000 +#define CONFIG_FSL_PMIC_MODE (SPI_MODE_2 | SPI_CS_HIGH) #define CONFIG_RTC_MC13783 1 -/* MC13783 connected to CSPI2 and SS2 */ -#define CONFIG_MC13783_SPI_BUS 1 -#define CONFIG_MC13783_SPI_CS 2 - /* allow to overwrite serial and ethaddr */ #define CONFIG_ENV_OVERWRITE #define CONFIG_CONS_INDEX 1 |