diff options
| -rw-r--r-- | README | 10 | ||||
| -rw-r--r-- | common/cmd_date.c | 14 | ||||
| -rw-r--r-- | common/cmd_dtt.c | 12 | ||||
| -rw-r--r-- | dtt/adm1021.c | 13 |
4 files changed, 40 insertions, 9 deletions
@@ -1347,6 +1347,16 @@ The following options need to be configured: If defined, then this indicates the I2C bus number for DDR SPD. If not defined, then U-Boot assumes that SPD is on I2C bus 0. + CFG_RTC_BUS_NUM + + If defined, then this indicates the I2C bus number for the RTC. + If not defined, then U-Boot assumes that RTC is on I2C bus 0. + + CFG_DTT_BUS_NUM + + If defined, then this indicates the I2C bus number for the DTT. + If not defined, then U-Boot assumes that DTT is on I2C bus 0. + CONFIG_FSL_I2C Define this option if you want to use Freescale's I2C driver in 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; } diff --git a/common/cmd_dtt.c b/common/cmd_dtt.c index 9db64e9..4f7b049 100644 --- a/common/cmd_dtt.c +++ b/common/cmd_dtt.c @@ -28,19 +28,27 @@ #if (CONFIG_COMMANDS & CFG_CMD_DTT) #include <dtt.h> +#include <i2c.h> int do_dtt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) { int i; unsigned char sensors[] = CONFIG_DTT_SENSORS; + int old_bus; + + /* switch to correct I2C bus */ + old_bus = I2C_GET_BUS(); + I2C_SET_BUS(CFG_DTT_BUS_NUM); /* * Loop through sensors, read * temperature, and output it. */ - for (i = 0; i < sizeof (sensors); i++) { + for (i = 0; i < sizeof (sensors); i++) printf ("DTT%d: %i C\n", i + 1, dtt_get_temp (sensors[i])); - } + + /* switch back to original I2C bus */ + I2C_SET_BUS(old_bus); return 0; } /* do_dtt() */ diff --git a/dtt/adm1021.c b/dtt/adm1021.c index 14c38f0..9f65cfb 100644 --- a/dtt/adm1021.c +++ b/dtt/adm1021.c @@ -144,12 +144,15 @@ dtt_init (void) unsigned char sensors[] = CONFIG_DTT_SENSORS; const char *const header = "DTT: "; + /* switch to correct I2C bus */ + I2C_SET_BUS(CFG_DTT_BUS_NUM); + for (i = 0; i < sizeof(sensors); i++) { - if (_dtt_init(sensors[i]) != 0) - printf ("%s%d FAILED INIT\n", header, i+1); - else - printf ("%s%d is %i C\n", header, i+1, - dtt_get_temp(sensors[i])); + if (_dtt_init(sensors[i]) != 0) + printf ("%s%d FAILED INIT\n", header, i+1); + else + printf ("%s%d is %i C\n", header, i+1, + dtt_get_temp(sensors[i])); } return (0); |