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-rw-r--r--src/superio/ite/common/Kconfig6
-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/it8613e/Kconfig1
-rw-r--r--src/superio/ite/it8623e/Kconfig1
-rw-r--r--src/superio/ite/it8721f/Kconfig4
-rw-r--r--src/superio/ite/it8728f/Kconfig1
-rw-r--r--src/superio/ite/it8786e/Kconfig1
8 files changed, 41 insertions, 3 deletions
diff --git a/src/superio/ite/common/Kconfig b/src/superio/ite/common/Kconfig
index 13c8ff53d4..36c1496db0 100644
--- a/src/superio/ite/common/Kconfig
+++ b/src/superio/ite/common/Kconfig
@@ -42,4 +42,10 @@ config SUPERIO_ITE_ENV_CTRL_7BIT_SLOPE_REG
Slope PWM registers have no separate BIT6 and are set directly by
7-bit values instead.
+config SUPERIO_ITE_ENV_CTRL_EXT_ANY_TMPIN
+ bool
+ help
+ Temperature can be read to any TMPIN from an external sensor via SST/PECI
+ (instead of TMPIN3 only).
+
endif
diff --git a/src/superio/ite/common/env_ctrl.c b/src/superio/ite/common/env_ctrl.c
index c87f32d3e0..9149c5828c 100644
--- a/src/superio/ite/common/env_ctrl.c
+++ b/src/superio/ite/common/env_ctrl.c
@@ -61,17 +61,40 @@ static void enable_tmpin(const u16 base, const u8 tmpin,
const struct ite_ec_thermal_config *const conf)
{
u8 reg;
+ u8 reg_extra;
reg = pnp_read_hwm5_index(base, ITE_EC_ADC_TEMP_CHANNEL_ENABLE);
+ reg_extra = pnp_read_hwm5_index(base, ITE_EC_ADC_TEMP_EXTRA_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");
+ /* Some chips can set any TMPIN as the target for PECI readings
+ while others can only read to TMPIN3. In the latter case a
+ different register is used for enabling it. */
+ if (CONFIG(SUPERIO_ITE_ENV_CTRL_EXT_ANY_TMPIN)) {
+ /* IT8721F is an exception, it cannot use TMPIN2 for PECI. */
+ if (CONFIG(SUPERIO_ITE_IT8721F) && tmpin == 2) {
+ printk(BIOS_WARNING,
+ "PECI to TMPIN2 not supported on IT8721F\n");
+ return;
+ }
+ if (reg & ITE_EC_ADC_TEMP_EXT_REPORTS_TO_MASK) {
+ printk(BIOS_WARNING,
+ "PECI specified for multiple TMPIN\n");
+ return;
+ }
+ reg |= ITE_EC_ADC_TEMP_EXT_REPORTS_TO(tmpin);
+ } else if (tmpin == 3) {
+ reg_extra |= ITE_EC_ADC_TEMP_EXTRA_TMPIN3_EXT;
+ pnp_write_hwm5_index(base, ITE_EC_ADC_TEMP_EXTRA_CHANNEL_ENABLE,
+ reg_extra);
+ } else {
+ printk(BIOS_WARNING, "PECI to TMPIN%d not supported on this Super I/O",
+ tmpin);
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);
diff --git a/src/superio/ite/common/env_ctrl.h b/src/superio/ite/common/env_ctrl.h
index 145c6c13e9..5a31e7cfbc 100644
--- a/src/superio/ite/common/env_ctrl.h
+++ b/src/superio/ite/common/env_ctrl.h
@@ -129,6 +129,7 @@
#define ITE_EC_ADC_TEMP_RESISTOR_MODE(x) (1 << ((x)+2))
#define ITE_EC_ADC_TEMP_DIODE_MODE(x) (1 << ((x)-1))
#define ITE_EC_ADC_TEMP_EXTRA_CHANNEL_ENABLE 0x55
+#define ITE_EC_ADC_TEMP_EXTRA_TMPIN3_EXT (1 << 7)
/* Matches length of ITE_EC_TMPIN_CNT */
static const u8 ITE_EC_TEMP_ADJUST[] = { 0x56, 0x57, 0x59 };
diff --git a/src/superio/ite/it8613e/Kconfig b/src/superio/ite/it8613e/Kconfig
index d5ccb65f60..e6f01c4cac 100644
--- a/src/superio/ite/it8613e/Kconfig
+++ b/src/superio/ite/it8613e/Kconfig
@@ -8,3 +8,4 @@ config SUPERIO_ITE_IT8613E
select SUPERIO_ITE_ENV_CTRL_8BIT_PWM
select SUPERIO_ITE_ENV_CTRL_5FANS
select SUPERIO_ITE_ENV_CTRL_NO_ONOFF
+ select SUPERIO_ITE_ENV_CTRL_EXT_ANY_TMPIN
diff --git a/src/superio/ite/it8623e/Kconfig b/src/superio/ite/it8623e/Kconfig
index ea57a35e0a..44a79ec723 100644
--- a/src/superio/ite/it8623e/Kconfig
+++ b/src/superio/ite/it8623e/Kconfig
@@ -7,3 +7,4 @@ config SUPERIO_ITE_IT8623E
select SUPERIO_ITE_ENV_CTRL_PWM_FREQ2
select SUPERIO_ITE_ENV_CTRL_FAN16_CONFIG
select SUPERIO_ITE_ENV_CTRL_8BIT_PWM
+ select SUPERIO_ITE_ENV_CTRL_EXT_ANY_TMPIN
diff --git a/src/superio/ite/it8721f/Kconfig b/src/superio/ite/it8721f/Kconfig
index 2c3051bce6..ec22a2d5a0 100644
--- a/src/superio/ite/it8721f/Kconfig
+++ b/src/superio/ite/it8721f/Kconfig
@@ -3,3 +3,7 @@
config SUPERIO_ITE_IT8721F
bool
select SUPERIO_ITE_COMMON_PRE_RAM
+ select SUPERIO_ITE_ENV_CTRL
+ select SUPERIO_ITE_ENV_CTRL_FAN16_CONFIG
+ select SUPERIO_ITE_ENV_CTRL_PWM_FREQ2
+ select SUPERIO_ITE_ENV_CTRL_EXT_ANY_TMPIN
diff --git a/src/superio/ite/it8728f/Kconfig b/src/superio/ite/it8728f/Kconfig
index be0c20717e..6d02c0b424 100644
--- a/src/superio/ite/it8728f/Kconfig
+++ b/src/superio/ite/it8728f/Kconfig
@@ -9,3 +9,4 @@ config SUPERIO_ITE_IT8728F
select SUPERIO_ITE_ENV_CTRL_8BIT_PWM
select SUPERIO_ITE_ENV_CTRL_5FANS
select SUPERIO_ITE_ENV_CTRL_7BIT_SLOPE_REG
+ select SUPERIO_ITE_ENV_CTRL_EXT_ANY_TMPIN
diff --git a/src/superio/ite/it8786e/Kconfig b/src/superio/ite/it8786e/Kconfig
index 332f6020c6..216d6f5bf8 100644
--- a/src/superio/ite/it8786e/Kconfig
+++ b/src/superio/ite/it8786e/Kconfig
@@ -7,3 +7,4 @@ config SUPERIO_ITE_IT8786E
select SUPERIO_ITE_ENV_CTRL_PWM_FREQ2
select SUPERIO_ITE_ENV_CTRL_8BIT_PWM
select SUPERIO_ITE_ENV_CTRL_7BIT_SLOPE_REG
+ select SUPERIO_ITE_ENV_CTRL_EXT_ANY_TMPIN