diff options
Diffstat (limited to 'src/superio/ite/it8772f/superio.c')
| -rw-r--r-- | src/superio/ite/it8772f/superio.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/superio/ite/it8772f/superio.c b/src/superio/ite/it8772f/superio.c index 7079b1a829..2d897d83ba 100644 --- a/src/superio/ite/it8772f/superio.c +++ b/src/superio/ite/it8772f/superio.c @@ -16,6 +16,7 @@ #include <device/device.h> #include <device/pnp.h> +#include <console/console.h> #include <pc80/keyboard.h> #include <arch/io.h> #include <delay.h> @@ -97,6 +98,43 @@ static void it8772f_enable_peci(struct resource *res, int tmpin) } /* + * Set up External Temperature to read via thermal diode/resistor + * into TMPINx register + */ +static void it8772f_enable_tmpin(struct resource *res, int tmpin, + enum thermal_mode mode) +{ + u8 reg; + + if (tmpin != 1 && tmpin != 2) + return; + + reg = it8772f_envc_read(res, IT8772F_ADC_TEMP_CHANNEL_ENABLE); + + switch (mode) { + case THERMAL_DIODE: + /* Thermal Diode Mode */ + it8772f_envc_write(res, IT8772F_ADC_TEMP_CHANNEL_ENABLE, + reg | tmpin); + break; + case THERMAL_RESISTOR: + /* Thermal Resistor Mode */ + it8772f_envc_write(res, IT8772F_ADC_TEMP_CHANNEL_ENABLE, + reg | (tmpin << 3)); + break; + default: + printk(BIOS_ERR, "Unsupported thermal mode 0x%x on TMPIN%d\n", + mode, tmpin); + return; + } + + reg = it8772f_envc_read(res, IT8772F_CONFIGURATION); + + /* Enable the startup of monitoring operation */ + it8772f_envc_write(res, IT8772F_CONFIGURATION, reg | 0x01); +} + +/* * Setup a FAN PWM interface for software control */ static void it8772f_enable_fan(struct resource *res, int fan) @@ -160,6 +198,12 @@ static void it8772f_init(struct device *dev) /* Enable PECI if configured */ it8772f_enable_peci(res, conf->peci_tmpin); + /* Enable HWM if configured */ + if (conf->tmpin1_mode != THERMAL_MODE_DISABLED) + it8772f_enable_tmpin(res, 1, conf->tmpin1_mode); + if (conf->tmpin2_mode != THERMAL_MODE_DISABLED) + it8772f_enable_tmpin(res, 2, conf->tmpin2_mode); + /* Enable FANx if configured */ if (conf->fan1_enable) it8772f_enable_fan(res, 1); |