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-rw-r--r--src/superio/ite/common/env_ctrl.c29
-rw-r--r--src/superio/ite/common/env_ctrl.h1
-rw-r--r--src/superio/ite/common/env_ctrl_chip.h7
3 files changed, 16 insertions, 21 deletions
diff --git a/src/superio/ite/common/env_ctrl.c b/src/superio/ite/common/env_ctrl.c
index 932f827223..44926bc3ec 100644
--- a/src/superio/ite/common/env_ctrl.c
+++ b/src/superio/ite/common/env_ctrl.c
@@ -64,13 +64,10 @@ static void extemp_force_idle_status(const u16 base)
}
/*
- * Setup External Temperature to read via PECI into TMPINx register
+ * Setup PECI interface
*/
-static void enable_peci(const u16 base, const u8 tmpin)
+static void enable_peci(const u16 base)
{
- if (tmpin == 0 || tmpin > ITE_EC_TMPIN_CNT)
- return;
-
/* Enable PECI interface */
ite_ec_write(base, ITE_EC_INTERFACE_SELECT,
ITE_EC_INTERFACE_SEL_PECI |
@@ -88,14 +85,10 @@ static void enable_peci(const u16 base, const u8 tmpin)
ite_ec_write(base, ITE_EC_EXTEMP_CONTROL,
ITE_EC_EXTEMP_CTRL_AUTO_4HZ |
ITE_EC_EXTEMP_CTRL_AUTO_START);
-
- /* External Temperature reported in TMPINx register */
- ite_ec_write(base, ITE_EC_ADC_TEMP_CHANNEL_ENABLE,
- (tmpin & 3) << 6);
}
/*
- * Set up External Temperature to read via thermal diode/resistor
+ * Set up External Temperature to read via PECI or thermal diode/resistor
* into TMPINx register
*/
static void enable_tmpin(const u16 base, const u8 tmpin,
@@ -106,6 +99,14 @@ static void enable_tmpin(const u16 base, const u8 tmpin,
reg = ite_ec_read(base, ITE_EC_ADC_TEMP_CHANNEL_ENABLE);
switch (conf->mode) {
+ case THERMAL_PECI:
+ if (reg & ITE_EC_ADC_TEMP_EXT_REPORTS_TO_MASK) {
+ printk(BIOS_WARNING, "PECI specified for multiple TMPIN\n");
+ return;
+ }
+ enable_peci(base);
+ reg |= ITE_EC_ADC_TEMP_EXT_REPORTS_TO(tmpin);
+ break;
case THERMAL_DIODE:
reg |= ITE_EC_ADC_TEMP_DIODE_MODE(tmpin);
break;
@@ -242,9 +243,6 @@ void ite_ec_init(const u16 base, const struct ite_ec_config *const conf)
fan_ctl |= ITE_EC_FAN_CTL_POLARITY_HIGH;
ite_ec_write(base, ITE_EC_FAN_CTL_MODE, fan_ctl);
- /* Enable PECI if configured */
- enable_peci(base, conf->peci_tmpin);
-
/* Enable HWM if configured */
for (i = 0; i < ITE_EC_TMPIN_CNT; ++i)
enable_tmpin(base, i + 1, &conf->tmpin[i]);
@@ -261,6 +259,7 @@ void ite_ec_init(const u16 base, const struct ite_ec_config *const conf)
* busy state. Therefore, check the status and terminate
* processes if needed.
*/
- if (conf->peci_tmpin != 0)
- extemp_force_idle_status(base);
+ for (i = 0; i < ITE_EC_TMPIN_CNT; ++i)
+ if (conf->tmpin[i].mode == THERMAL_PECI)
+ extemp_force_idle_status(base);
}
diff --git a/src/superio/ite/common/env_ctrl.h b/src/superio/ite/common/env_ctrl.h
index 64603c66a7..8ce682e4d0 100644
--- a/src/superio/ite/common/env_ctrl.h
+++ b/src/superio/ite/common/env_ctrl.h
@@ -91,6 +91,7 @@
#define ITE_EC_ADC_VOLTAGE_CHANNEL_ENABLE 0x50
#define ITE_EC_ADC_TEMP_CHANNEL_ENABLE 0x51
+#define ITE_EC_ADC_TEMP_EXT_REPORTS_TO_MASK (3 << 6)
#define ITE_EC_ADC_TEMP_EXT_REPORTS_TO(x) (((x) & 3) << 6)
#define ITE_EC_ADC_TEMP_RESISTOR_MODE(x) (1 << ((x)+2))
#define ITE_EC_ADC_TEMP_DIODE_MODE(x) (1 << ((x)-1))
diff --git a/src/superio/ite/common/env_ctrl_chip.h b/src/superio/ite/common/env_ctrl_chip.h
index a535af6dfa..a3c6ae4b33 100644
--- a/src/superio/ite/common/env_ctrl_chip.h
+++ b/src/superio/ite/common/env_ctrl_chip.h
@@ -26,6 +26,7 @@ enum ite_ec_thermal_mode {
THERMAL_MODE_DISABLED = 0,
THERMAL_DIODE,
THERMAL_RESISTOR,
+ THERMAL_PECI,
};
struct ite_ec_thermal_config {
@@ -77,12 +78,6 @@ struct ite_ec_fan_config {
struct ite_ec_config {
/*
- * Enable external temperature sensor to use PECI GetTemp()
- * command and store in register TMPIN 1, 2, or 3.
- */
- u8 peci_tmpin;
-
- /*
* Enable reading of voltage pins VINx.
*/
enum ite_ec_voltage_pin vin_mask;