summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--arch/powerpc/lib/board.c3
-rw-r--r--common/cmd_dtt.c16
-rw-r--r--drivers/hwmon/adm1021.c27
-rw-r--r--drivers/hwmon/adt7460.c2
-rw-r--r--drivers/hwmon/ds1621.c19
-rw-r--r--drivers/hwmon/ds1775.c19
-rw-r--r--drivers/hwmon/lm63.c19
-rw-r--r--drivers/hwmon/lm73.c20
-rw-r--r--drivers/hwmon/lm75.c29
-rw-r--r--drivers/hwmon/lm81.c21
-rw-r--r--include/dtt.h2
11 files changed, 28 insertions, 149 deletions
diff --git a/arch/powerpc/lib/board.c b/arch/powerpc/lib/board.c
index 22bbc52da..9885b143a 100644
--- a/arch/powerpc/lib/board.c
+++ b/arch/powerpc/lib/board.c
@@ -944,9 +944,6 @@ void board_init_r (gd_t *id, ulong dest_addr)
WATCHDOG_RESET ();
-#if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
- dtt_init ();
-#endif
#if defined(CONFIG_CMD_SCSI)
WATCHDOG_RESET ();
puts ("SCSI: ");
diff --git a/common/cmd_dtt.c b/common/cmd_dtt.c
index 3388e43ca..5bba12d4d 100644
--- a/common/cmd_dtt.c
+++ b/common/cmd_dtt.c
@@ -28,12 +28,16 @@
#include <dtt.h>
#include <i2c.h>
+static unsigned long sensor_initialized;
+
int do_dtt (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
{
int i;
unsigned char sensors[] = CONFIG_DTT_SENSORS;
int old_bus;
+ /* Force a compilation error, if there are more then 32 sensors */
+ BUILD_BUG_ON(sizeof(sensors) > 32);
/* switch to correct I2C bus */
old_bus = I2C_GET_BUS();
I2C_SET_BUS(CONFIG_SYS_DTT_BUS_NUM);
@@ -42,8 +46,16 @@ int do_dtt (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
* Loop through sensors, read
* temperature, and output it.
*/
- for (i = 0; i < sizeof (sensors); i++)
- printf ("DTT%d: %i C\n", i + 1, dtt_get_temp (sensors[i]));
+ for (i = 0; i < sizeof(sensors); i++) {
+ if ((sensor_initialized & (1 << i)) == 0) {
+ if (dtt_init_one(sensors[i]) != 0) {
+ printf("DTT%d: Failed init!\n", i);
+ continue;
+ }
+ sensor_initialized |= (1 << 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);
diff --git a/drivers/hwmon/adm1021.c b/drivers/hwmon/adm1021.c
index d753e9a72..d074cb723 100644
--- a/drivers/hwmon/adm1021.c
+++ b/drivers/hwmon/adm1021.c
@@ -109,8 +109,8 @@ dtt_write (int sensor, int reg, int val)
return 0;
} /* dtt_write() */
-static int
-_dtt_init (int sensor)
+int
+dtt_init_one(int sensor)
{
dtt_cfg_t *dcp = &dttcfg[sensor >> 1];
int reg, val;
@@ -164,28 +164,7 @@ _dtt_init (int sensor)
return 1;
return 0;
-} /* _dtt_init() */
-
-int
-dtt_init (void)
-{
- int i;
- unsigned char sensors[] = CONFIG_DTT_SENSORS;
- const char *const header = "DTT: ";
-
- /* switch to correct I2C bus */
- I2C_SET_BUS(CONFIG_SYS_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]));
- }
-
- return (0);
-} /* dtt_init() */
+} /* dtt_init_one() */
int
dtt_get_temp (int sensor)
diff --git a/drivers/hwmon/adt7460.c b/drivers/hwmon/adt7460.c
index caef70aff..b7e36fe46 100644
--- a/drivers/hwmon/adt7460.c
+++ b/drivers/hwmon/adt7460.c
@@ -50,7 +50,7 @@ int dtt_write(int sensor, int reg, int val)
return 0;
}
-int dtt_init(void)
+int dtt_init_one(int sensor)
{
printf("ADT7460 at I2C address 0x%2x\n", ADT7460_ADDRESS);
diff --git a/drivers/hwmon/ds1621.c b/drivers/hwmon/ds1621.c
index 5a2ea6289..4e1db6dc0 100644
--- a/drivers/hwmon/ds1621.c
+++ b/drivers/hwmon/ds1621.c
@@ -126,7 +126,7 @@ int dtt_write(int sensor, int reg, int val)
}
-static int _dtt_init(int sensor)
+int dtt_init_one(int sensor)
{
int val;
@@ -155,23 +155,6 @@ static int _dtt_init(int sensor)
return 0;
}
-
-int dtt_init (void)
-{
- int i;
- unsigned char sensors[] = CONFIG_DTT_SENSORS;
-
- for (i = 0; i < sizeof(sensors); i++) {
- if (_dtt_init(sensors[i]) != 0)
- printf("DTT%d: FAILED\n", i + 1);
- else
- printf("DTT%d: %i C\n", i + 1, dtt_get_temp(sensors[i]));
- }
-
- return (0);
-}
-
-
int dtt_get_temp(int sensor)
{
int i;
diff --git a/drivers/hwmon/ds1775.c b/drivers/hwmon/ds1775.c
index 80fb26f7b..feabdf221 100644
--- a/drivers/hwmon/ds1775.c
+++ b/drivers/hwmon/ds1775.c
@@ -98,7 +98,7 @@ int dtt_write(int sensor, int reg, int val)
}
-static int _dtt_init(int sensor)
+int dtt_init_one(int sensor)
{
int val;
@@ -133,23 +133,6 @@ static int _dtt_init(int sensor)
return 0;
}
-
-int dtt_init (void)
-{
- int i;
- unsigned char sensors[] = CONFIG_DTT_SENSORS;
-
- for (i = 0; i < sizeof(sensors); i++) {
- if (_dtt_init(sensors[i]) != 0)
- printf("DTT%d: FAILED\n", i+1);
- else
- printf("DTT%d: %i C\n", i+1, dtt_get_temp(sensors[i]));
- }
-
- return (0);
-}
-
-
int dtt_get_temp(int sensor)
{
return (dtt_read(sensor, DTT_READ_TEMP) / 256);
diff --git a/drivers/hwmon/lm63.c b/drivers/hwmon/lm63.c
index 2f1f3cfab..f3adf6485 100644
--- a/drivers/hwmon/lm63.c
+++ b/drivers/hwmon/lm63.c
@@ -101,7 +101,7 @@ static int is_lm64(int sensor)
return sensor && (sensor != DTT_I2C_LM63_ADDR);
}
-static int _dtt_init(int sensor)
+int dtt_init_one(int sensor)
{
int i;
int val;
@@ -175,20 +175,3 @@ int dtt_get_temp(int sensor)
/* Ignore LSB for now, U-Boot only prints natural numbers */
return temp >> 8;
}
-
-int dtt_init(void)
-{
- int i;
- unsigned char sensors[] = CONFIG_DTT_SENSORS;
- const char *const header = "DTT: ";
-
- 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]));
- }
-
- return 0;
-}
diff --git a/drivers/hwmon/lm73.c b/drivers/hwmon/lm73.c
index 7b5d893ff..45cc6db58 100644
--- a/drivers/hwmon/lm73.c
+++ b/drivers/hwmon/lm73.c
@@ -112,7 +112,7 @@ int dtt_write(int const sensor, int const reg, int const val)
dlen);
} /* dtt_write() */
-static int _dtt_init(int const sensor)
+int dtt_init_one(int const sensor)
{
int val;
@@ -148,23 +148,7 @@ static int _dtt_init(int const sensor)
dtt_read(sensor, DTT_CONTROL); /* clear temperature flags */
return 0;
-} /* _dtt_init() */
-
-int dtt_init(void)
-{
- int i;
- unsigned char sensors[] = CONFIG_DTT_SENSORS;
- const char *const header = "DTT: ";
-
- for (i = 0; i < sizeof(sensors); i++) {
- if (0 != _dtt_init(sensors[i]))
- 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;
-} /* dtt_init() */
+} /* dtt_init_one() */
int dtt_get_temp(int const sensor)
{
diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
index 81198215f..29c1a392e 100644
--- a/drivers/hwmon/lm75.c
+++ b/drivers/hwmon/lm75.c
@@ -119,7 +119,7 @@ int dtt_write(int sensor, int reg, int val)
} /* dtt_write() */
-static int _dtt_init(int sensor)
+int dtt_init_one(int sensor)
{
int val;
@@ -145,32 +145,7 @@ static int _dtt_init(int sensor)
return 1;
return 0;
-} /* _dtt_init() */
-
-
-int dtt_init (void)
-{
- int i;
- unsigned char sensors[] = CONFIG_DTT_SENSORS;
- const char *const header = "DTT: ";
- int old_bus;
-
- /* switch to correct I2C bus */
- old_bus = I2C_GET_BUS();
- I2C_SET_BUS(CONFIG_SYS_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]));
- }
- /* switch back to original I2C bus */
- I2C_SET_BUS(old_bus);
-
- return (0);
-} /* dtt_init() */
+} /* dtt_init_one() */
int dtt_get_temp(int sensor)
{
diff --git a/drivers/hwmon/lm81.c b/drivers/hwmon/lm81.c
index afe5b0de3..f1572ba27 100644
--- a/drivers/hwmon/lm81.c
+++ b/drivers/hwmon/lm81.c
@@ -89,7 +89,7 @@ int dtt_write(int sensor, int reg, int val)
#define DTT_CONFIG 0x40
#define DTT_ADR 0x48
-static int _dtt_init(int sensor)
+int dtt_init_one(int sensor)
{
int man;
int adr;
@@ -111,26 +111,9 @@ static int _dtt_init(int sensor)
debug ("DTT: Found LM81@%x Rev: %d\n", adr, rev);
return 0;
-} /* _dtt_init() */
+} /* dtt_init_one() */
-int dtt_init (void)
-{
- int i;
- unsigned char sensors[] = CONFIG_DTT_SENSORS;
- const char *const header = "DTT: ";
-
- 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]));
- }
-
- return (0);
-} /* dtt_init() */
-
#define TEMP_FROM_REG(temp) \
((temp)<256?((((temp)&0x1fe) >> 1) * 10) + ((temp) & 1) * 5: \
((((temp)&0x1fe) >> 1) -255) * 10 - ((temp) & 1) * 5) \
diff --git a/include/dtt.h b/include/dtt.h
index 399b64aba..9e6c08c5c 100644
--- a/include/dtt.h
+++ b/include/dtt.h
@@ -52,7 +52,7 @@
#endif
#endif /* CONFIG_DTT_ADM1021 */
-extern int dtt_init (void);
+extern int dtt_init_one(int);
extern int dtt_read(int sensor, int reg);
extern int dtt_write(int sensor, int reg, int val);
extern int dtt_get_temp(int sensor);
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-10-31 15:29:26 +0000