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| author | Stefan Roese <sr@denx.de> | 2007-02-20 10:51:26 +0100 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2007-02-20 10:51:26 +0100 |
| commit | 0dc018ece13effc689e47479ea9ebf1c98a507f5 (patch) | |
| tree | ee428909979fcf779234fed26f38028cdce40562 /common/cmd_date.c | |
| parent | 4037ed3b63923cfcec27f784a89057c3cbabcedb (diff) | |
| download | u-boot-imx-0dc018ece13effc689e47479ea9ebf1c98a507f5.zip u-boot-imx-0dc018ece13effc689e47479ea9ebf1c98a507f5.tar.gz u-boot-imx-0dc018ece13effc689e47479ea9ebf1c98a507f5.tar.bz2 | |
[PATCH] I2C: Add support for multiple I2C busses for RTC & DTT
This patch switches to the desired I2C bus when the date/dtt
commands are called. This can be configured using the
CFG_RTC_BUS_NUM and/or CFG_DTT_BUS_NUM defines.
Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'common/cmd_date.c')
| -rw-r--r-- | common/cmd_date.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/common/cmd_date.c b/common/cmd_date.c index 84932f7..33d2e56 100644 --- a/common/cmd_date.c +++ b/common/cmd_date.c @@ -27,6 +27,7 @@ #include <common.h> #include <command.h> #include <rtc.h> +#include <i2c.h> DECLARE_GLOBAL_DATA_PTR; @@ -44,6 +45,11 @@ int do_date (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { struct rtc_time tm; int rcode = 0; + int old_bus; + + /* switch to correct I2C bus */ + old_bus = I2C_GET_BUS(); + I2C_SET_BUS(CFG_RTC_BUS_NUM); switch (argc) { case 2: /* set date & time */ @@ -56,7 +62,7 @@ int do_date (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) /* insert new date & time */ if (mk_date (argv[1], &tm) != 0) { puts ("## Bad date format\n"); - return 1; + break; } /* and write to RTC */ rtc_set (&tm); @@ -71,11 +77,15 @@ int do_date (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) "unknown " : RELOC(weekdays[tm.tm_wday]), tm.tm_hour, tm.tm_min, tm.tm_sec); - return 0; + break; default: printf ("Usage:\n%s\n", cmdtp->usage); rcode = 1; } + + /* switch back to original I2C bus */ + I2C_SET_BUS(old_bus); + return rcode; } |