drivers/i2c/w83795: Drop unused hardware monitor support

Change-Id: I254f62c9a94838f70d624dadf32cb42c2370123d
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38152
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Nico Huber <nico.h@gmx.de>

5 files changed, 0 insertions, 622 deletions

diff --git a/src/drivers/i2c/w83795/Kconfig b/src/drivers/i2c/w83795/Kconfig
deleted file mode 100644
index 80856e2b3b..0000000000
--- a/src/drivers/i2c/w83795/Kconfig
+++ /dev/null
@@ -1,2 +0,0 @@
-config DRIVERS_I2C_W83795
-	bool
diff --git a/src/drivers/i2c/w83795/Makefile.inc b/src/drivers/i2c/w83795/Makefile.inc
deleted file mode 100644
index 330f6a74cf..0000000000
--- a/src/drivers/i2c/w83795/Makefile.inc
+++ /dev/null
@@ -1 +0,0 @@
-ramstage-$(CONFIG_DRIVERS_I2C_W83795) += w83795.c
diff --git a/src/drivers/i2c/w83795/chip.h b/src/drivers/i2c/w83795/chip.h
deleted file mode 100644
index ff1de81526..0000000000
--- a/src/drivers/i2c/w83795/chip.h
+++ /dev/null
@@ -1,145 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <stdint.h>
-
-struct drivers_i2c_w83795_config {
-	uint8_t fanin_ctl1;
-	uint8_t fanin_ctl2;
-
-	uint8_t temp_ctl1;
-	uint8_t temp_ctl2;
-	uint8_t temp_dtse;
-
-	uint8_t volt_ctl1;
-	uint8_t volt_ctl2;
-
-	uint8_t temp1_fan_select;
-	uint8_t temp2_fan_select;
-	uint8_t temp3_fan_select;
-	uint8_t temp4_fan_select;
-	uint8_t temp5_fan_select;
-	uint8_t temp6_fan_select;
-
-	uint8_t temp1_source_select;
-	uint8_t temp2_source_select;
-	uint8_t temp3_source_select;
-	uint8_t temp4_source_select;
-	uint8_t temp5_source_select;
-	uint8_t temp6_source_select;
-
-	uint32_t vcore1_high_limit_mv;		/* mV */
-	uint32_t vcore1_low_limit_mv;		/* mV */
-	uint32_t vcore2_high_limit_mv;		/* mV */
-	uint32_t vcore2_low_limit_mv;		/* mV */
-	uint32_t vtt_high_limit_mv;		/* mV */
-	uint32_t vtt_low_limit_mv;		/* mV */
-	uint32_t vsen3_high_limit_mv;		/* mV */
-	uint32_t vsen3_low_limit_mv;		/* mV */
-	uint32_t vsen4_high_limit_mv;		/* mV */
-	uint32_t vsen4_low_limit_mv;		/* mV */
-	uint32_t vsen5_high_limit_mv;		/* mV */
-	uint32_t vsen5_low_limit_mv;		/* mV */
-	uint32_t vsen6_high_limit_mv;		/* mV */
-	uint32_t vsen6_low_limit_mv;		/* mV */
-	uint32_t vsen7_high_limit_mv;		/* mV */
-	uint32_t vsen7_low_limit_mv;		/* mV */
-	uint32_t vsen8_high_limit_mv;		/* mV */
-	uint32_t vsen8_low_limit_mv;		/* mV */
-	uint32_t vsen9_high_limit_mv;		/* mV */
-	uint32_t vsen9_low_limit_mv;		/* mV */
-	uint32_t vsen10_high_limit_mv;		/* mV */
-	uint32_t vsen10_low_limit_mv;		/* mV */
-	uint32_t vsen11_high_limit_mv;		/* mV */
-	uint32_t vsen11_low_limit_mv;		/* mV */
-	uint32_t vsen12_high_limit_mv;		/* mV */
-	uint32_t vsen12_low_limit_mv;		/* mV */
-	uint32_t vsen13_high_limit_mv;		/* mV */
-	uint32_t vsen13_low_limit_mv;		/* mV */
-	uint32_t vdd_high_limit_mv;		/* mV */
-	uint32_t vdd_low_limit_mv;		/* mV */
-	uint32_t vsb_high_limit_mv;		/* mV */
-	uint32_t vsb_low_limit_mv;		/* mV */
-	uint32_t vbat_high_limit_mv;		/* mV */
-	uint32_t vbat_low_limit_mv;		/* mV */
-
-	int8_t tr1_critical_temperature;	/* °C */
-	int8_t tr1_critical_hysteresis;		/* °C */
-	int8_t tr1_warning_temperature;		/* °C */
-	int8_t tr1_warning_hysteresis;		/* °C */
-	int8_t tr2_critical_temperature;	/* °C */
-	int8_t tr2_critical_hysteresis;		/* °C */
-	int8_t tr2_warning_temperature;		/* °C */
-	int8_t tr2_warning_hysteresis;		/* °C */
-	int8_t tr3_critical_temperature;	/* °C */
-	int8_t tr3_critical_hysteresis;		/* °C */
-	int8_t tr3_warning_temperature;		/* °C */
-	int8_t tr3_warning_hysteresis;		/* °C */
-	int8_t tr4_critical_temperature;	/* °C */
-	int8_t tr4_critical_hysteresis;		/* °C */
-	int8_t tr4_warning_temperature;		/* °C */
-	int8_t tr4_warning_hysteresis;		/* °C */
-	int8_t tr5_critical_temperature;	/* °C */
-	int8_t tr5_critical_hysteresis;		/* °C */
-	int8_t tr5_warning_temperature;		/* °C */
-	int8_t tr5_warning_hysteresis;		/* °C */
-	int8_t tr6_critical_temperature;	/* °C */
-	int8_t tr6_critical_hysteresis;		/* °C */
-	int8_t tr6_warning_temperature;		/* °C */
-	int8_t tr6_warning_hysteresis;		/* °C */
-	int8_t dts_critical_temperature;	/* °C */
-	int8_t dts_critical_hysteresis;		/* °C */
-	int8_t dts_warning_temperature;		/* °C */
-	int8_t dts_warning_hysteresis;		/* °C */
-
-	int8_t temp1_critical_temperature;	/* °C */
-	int8_t temp2_critical_temperature;	/* °C */
-	int8_t temp3_critical_temperature;	/* °C */
-	int8_t temp4_critical_temperature;	/* °C */
-	int8_t temp5_critical_temperature;	/* °C */
-	int8_t temp6_critical_temperature;	/* °C */
-
-	int8_t temp1_target_temperature;	/* °C */
-	int8_t temp2_target_temperature;	/* °C */
-	int8_t temp3_target_temperature;	/* °C */
-	int8_t temp4_target_temperature;	/* °C */
-	int8_t temp5_target_temperature;	/* °C */
-	int8_t temp6_target_temperature;	/* °C */
-
-	uint8_t fan1_nonstop;			/* % of full speed (0-100) */
-	uint8_t fan2_nonstop;			/* % of full speed (0-100) */
-	uint8_t fan3_nonstop;			/* % of full speed (0-100) */
-	uint8_t fan4_nonstop;			/* % of full speed (0-100) */
-	uint8_t fan5_nonstop;			/* % of full speed (0-100) */
-	uint8_t fan6_nonstop;			/* % of full speed (0-100) */
-	uint8_t fan7_nonstop;			/* % of full speed (0-100) */
-	uint8_t fan8_nonstop;			/* % of full speed (0-100) */
-
-	uint8_t default_speed;			/* % of full speed (0-100) */
-
-	uint8_t fan1_duty;			/* % of full speed (0-100) */
-	uint8_t fan2_duty;			/* % of full speed (0-100) */
-	uint8_t fan3_duty;			/* % of full speed (0-100) */
-	uint8_t fan4_duty;			/* % of full speed (0-100) */
-	uint8_t fan5_duty;			/* % of full speed (0-100) */
-	uint8_t fan6_duty;			/* % of full speed (0-100) */
-	uint8_t fan7_duty;			/* % of full speed (0-100) */
-	uint8_t fan8_duty;			/* % of full speed (0-100) */
-
-	uint8_t smbus_aux;			/* 0   == device located on primary SMBUS,
-						 * 1   == device located on first auxiliary
-						 *        SMBUS channel,
-						 * <n> == device located on <n> auxiliary
-						 *        SMBUS channel
-						 */
-};
diff --git a/src/drivers/i2c/w83795/w83795.c b/src/drivers/i2c/w83795/w83795.c
deleted file mode 100644
index 16cd813170..0000000000
--- a/src/drivers/i2c/w83795/w83795.c
+++ /dev/null
@@ -1,386 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <stdint.h>
-#include <arch/cpu.h>
-#include <console/console.h>
-#include <device/device.h>
-#include "w83795.h"
-#include <device/smbus.h>
-#include "chip.h"
-
-static int w83795_set_bank(struct device *dev, uint8_t bank)
-{
-	return smbus_write_byte(dev, W83795_REG_BANKSEL, bank);
-}
-
-static uint8_t w83795_read(struct device *dev, uint16_t reg)
-{
-	int ret;
-
-	ret = w83795_set_bank(dev, reg >> 8);
-	if (ret < 0) {
-		printk(BIOS_DEBUG, "read failed to set bank %x\n", reg >> 8);
-		return -1;
-	}
-
-	ret = smbus_read_byte(dev, reg & 0xff);
-	return ret;
-}
-
-static uint8_t w83795_write(struct device *dev, uint16_t reg, uint8_t value)
-{
-	int err;
-
-	err = w83795_set_bank(dev, reg >> 8);
-	if (err < 0) {
-		printk(BIOS_DEBUG, "write failed to set bank %x\n", reg >> 8);
-		return -1;
-	}
-
-	err = smbus_write_byte(dev, reg & 0xff, value);
-	return err;
-}
-
-/*
- * Configure Digital Temperature Sensor
- */
-static void w83795_dts_configure(struct device *dev, uint8_t dts_src)
-{
-	u8 val;
-
-	/* DIS */
-	val = w83795_read(dev, W83795_REG_DTSC) & ~0x1;
-	val |= dts_src & 0x1;
-	w83795_write(dev, W83795_REG_DTSC, val);
-
-	/* TODO
-	 * Determine if DTS interface needs to be reset
-	 * (W83795_REG_DTSC bit 7) before operation.
-	 */
-}
-
-static u32 w83795_set_fan_mode(struct device *dev, w83795_fan_mode_t mode)
-{
-	if (mode == SPEED_CRUISE_MODE) {
-		w83795_write(dev, W83795_REG_FCMS1, 0xFF);
-		printk(BIOS_INFO, "W83795G/ADG work in Speed Cruise Mode\n");
-	}  else {
-		w83795_write(dev, W83795_REG_FCMS1, 0x00);
-		if (mode == THERMAL_CRUISE_MODE) {
-			w83795_write(dev, W83795_REG_FCMS2, 0x00);
-			printk(BIOS_INFO, "W83795G/ADG work in Thermal Cruise Mode\n");
-		} else if (mode == SMART_FAN_MODE) {
-			w83795_write(dev, W83795_REG_FCMS2, 0x3F);
-			printk(BIOS_INFO, "W83795G/ADG work in Smart Fan Mode\n");
-		} else {
-			printk(BIOS_INFO, "W83795G/ADG work in Manual Mode\n");
-			return -1;
-		}
-	}
-
-	return 0;
-}
-
-static void w83795_set_fan(struct device *dev, w83795_fan_mode_t mode)
-{
-	/* set fan output controlled mode (FCMS)*/
-	w83795_set_fan_mode(dev, mode);
-
-	if (mode == SMART_FAN_MODE) {
-		/* Set the Relative Register-at SMART FAN IV Control Mode Table */
-		//SFIV TODO
-	}
-
-	/* Set Hysteresis of Temperature (HT) */
-	//TODO
-}
-
-static uint8_t fan_pct_to_cfg_val(uint8_t percent)
-{
-	uint16_t cfg = (((unsigned int)percent * 10000) / 3922);
-	if (cfg > 0xff)
-		cfg = 0xff;
-	return cfg;
-}
-
-static uint8_t millivolts_to_limit_value_type1(int millivolts)
-{
-	/* Datasheet v1.41 pages 44 and 70 (VSEN1 - VSEN11, VTT) */
-	return ((millivolts / 2) >> 2);
-}
-
-static uint8_t millivolts_to_limit_value_type2(int millivolts)
-{
-	/* Datasheet v1.41 page pages 44 and 70 (3VSB, 3VDD, VBAT) */
-	return ((millivolts / 6) >> 2);
-}
-
-static uint16_t millivolts_to_limit_value_type3(int millivolts)
-{
-	/* Datasheet v1.41 page 45 (VSEN12, VSEN13, VDSEN14 - VDSEN17) */
-	return (millivolts / 2);
-}
-
-static void w83795_init(struct device *dev, w83795_fan_mode_t mode, u8 dts_src)
-{
-	struct drivers_i2c_w83795_config *config = dev->chip_info;
-	uint8_t i;
-	uint8_t val;
-	uint16_t limit_value;
-
-#if CONFIG(SMBUS_HAS_AUX_CHANNELS)
-	uint8_t smbus_aux_channel_prev = smbus_get_current_channel();
-	smbus_switch_to_channel(config->smbus_aux);
-	printk(BIOS_DEBUG, "Set SMBUS controller to channel %d\n", config->smbus_aux);
-#endif
-
-	if (smbus_read_byte(dev, 0x00) < 0) {
-#if CONFIG(SMBUS_HAS_AUX_CHANNELS)
-		/* Restore SMBUS channel setting */
-		smbus_switch_to_channel(smbus_aux_channel_prev);
-		printk(BIOS_DEBUG, "Set SMBUS controller to channel %d\n", smbus_aux_channel_prev);
-#endif
-		printk(BIOS_ERR, "W83795G/ADG Nuvoton H/W Monitor not found\n");
-		return;
-	}
-	val = w83795_read(dev, W83795_REG_CONFIG);
-	if ((val & W83795_REG_CONFIG_CONFIG48) == 0)
-		printk(BIOS_INFO, "Found 64 pin W83795G Nuvoton H/W Monitor\n");
-	else
-		printk(BIOS_INFO, "Found 48 pin W83795ADG Nuvoton H/W Monitor\n");
-
-	/* Reset */
-	val |= W83795_REG_CONFIG_INIT;
-	w83795_write(dev, W83795_REG_CONFIG, val);
-
-	/* Fan monitor settings */
-	w83795_write(dev, W83795_REG_FANIN_CTRL1, config->fanin_ctl1);
-	w83795_write(dev, W83795_REG_FANIN_CTRL2, config->fanin_ctl2);
-
-	/* Temperature thresholds */
-	w83795_write(dev, W83795_REG_TEMP_CRIT(0), config->tr1_critical_temperature);
-	w83795_write(dev, W83795_REG_TEMP_CRIT_HYSTER(0), config->tr1_critical_hysteresis);
-	w83795_write(dev, W83795_REG_TEMP_WARN(0), config->tr1_warning_temperature);
-	w83795_write(dev, W83795_REG_TEMP_WARN_HYSTER(0), config->tr1_warning_hysteresis);
-	w83795_write(dev, W83795_REG_TEMP_CRIT(1), config->tr2_critical_temperature);
-	w83795_write(dev, W83795_REG_TEMP_CRIT_HYSTER(1), config->tr2_critical_hysteresis);
-	w83795_write(dev, W83795_REG_TEMP_WARN(1), config->tr2_warning_temperature);
-	w83795_write(dev, W83795_REG_TEMP_WARN_HYSTER(1), config->tr2_warning_hysteresis);
-	w83795_write(dev, W83795_REG_TEMP_CRIT(2), config->tr3_critical_temperature);
-	w83795_write(dev, W83795_REG_TEMP_CRIT_HYSTER(2), config->tr3_critical_hysteresis);
-	w83795_write(dev, W83795_REG_TEMP_WARN(2), config->tr3_warning_temperature);
-	w83795_write(dev, W83795_REG_TEMP_WARN_HYSTER(2), config->tr3_warning_hysteresis);
-	w83795_write(dev, W83795_REG_TEMP_CRIT(3), config->tr4_critical_temperature);
-	w83795_write(dev, W83795_REG_TEMP_CRIT_HYSTER(3), config->tr4_critical_hysteresis);
-	w83795_write(dev, W83795_REG_TEMP_WARN(3), config->tr4_warning_temperature);
-	w83795_write(dev, W83795_REG_TEMP_WARN_HYSTER(3), config->tr4_warning_hysteresis);
-	w83795_write(dev, W83795_REG_TEMP_CRIT(4), config->tr5_critical_temperature);
-	w83795_write(dev, W83795_REG_TEMP_CRIT_HYSTER(4), config->tr5_critical_hysteresis);
-	w83795_write(dev, W83795_REG_TEMP_WARN(4), config->tr5_warning_temperature);
-	w83795_write(dev, W83795_REG_TEMP_WARN_HYSTER(4), config->tr5_warning_hysteresis);
-	w83795_write(dev, W83795_REG_TEMP_CRIT(5), config->tr6_critical_temperature);
-	w83795_write(dev, W83795_REG_TEMP_CRIT_HYSTER(5), config->tr6_critical_hysteresis);
-	w83795_write(dev, W83795_REG_TEMP_WARN(5), config->tr6_warning_temperature);
-	w83795_write(dev, W83795_REG_TEMP_WARN_HYSTER(5), config->tr6_warning_hysteresis);
-
-	/* DTS temperature thresholds */
-	w83795_write(dev, W83795_REG_DTS_CRIT, config->dts_critical_temperature);
-	w83795_write(dev, W83795_REG_DTS_CRIT_HYSTER, config->dts_critical_hysteresis);
-	w83795_write(dev, W83795_REG_DTS_WARN, config->dts_warning_temperature);
-	w83795_write(dev, W83795_REG_DTS_WARN_HYSTER, config->dts_warning_hysteresis);
-
-	/* Configure DTS registers in bank3 before enabling DTS */
-	w83795_dts_configure(dev, dts_src);
-
-	/* DTS enable */
-	w83795_write(dev, W83795_REG_DTSE, config->temp_dtse);
-
-	/* Temperature monitor settings */
-	w83795_write(dev, W83795_REG_TEMP_CTRL1, config->temp_ctl1);
-	w83795_write(dev, W83795_REG_TEMP_CTRL2, config->temp_ctl2);
-
-	/* Temperature to fan mappings */
-	w83795_write(dev, W83795_REG_TFMR(0), config->temp1_fan_select);
-	w83795_write(dev, W83795_REG_TFMR(1), config->temp2_fan_select);
-	w83795_write(dev, W83795_REG_TFMR(2), config->temp3_fan_select);
-	w83795_write(dev, W83795_REG_TFMR(3), config->temp4_fan_select);
-	w83795_write(dev, W83795_REG_TFMR(4), config->temp5_fan_select);
-	w83795_write(dev, W83795_REG_TFMR(5), config->temp6_fan_select);
-
-	/* Temperature data source to temperature mappings */
-	w83795_write(dev, W83795_REG_T12TSS, ((config->temp2_source_select & 0x0f) << 4) | (config->temp1_source_select & 0x0f));
-	w83795_write(dev, W83795_REG_T34TSS, ((config->temp4_source_select & 0x0f) << 4) | (config->temp3_source_select & 0x0f));
-	w83795_write(dev, W83795_REG_T56TSS, ((config->temp6_source_select & 0x0f) << 4) | (config->temp5_source_select & 0x0f));
-
-	/* Set critical temperatures
-	 * If any sensor exceeds the associated critical temperature,
-	 * all fans will be forced to full speed.
-	 */
-	w83795_write(dev, W83795_REG_CTFS(0), config->temp1_critical_temperature);
-	w83795_write(dev, W83795_REG_CTFS(1), config->temp2_critical_temperature);
-	w83795_write(dev, W83795_REG_CTFS(2), config->temp3_critical_temperature);
-	w83795_write(dev, W83795_REG_CTFS(3), config->temp4_critical_temperature);
-	w83795_write(dev, W83795_REG_CTFS(4), config->temp5_critical_temperature);
-	w83795_write(dev, W83795_REG_CTFS(5), config->temp6_critical_temperature);
-
-	/* Set fan control target temperatures */
-	w83795_write(dev, W83795_REG_TTTI(0), config->temp1_target_temperature);
-	w83795_write(dev, W83795_REG_TTTI(1), config->temp2_target_temperature);
-	w83795_write(dev, W83795_REG_TTTI(2), config->temp3_target_temperature);
-	w83795_write(dev, W83795_REG_TTTI(3), config->temp4_target_temperature);
-	w83795_write(dev, W83795_REG_TTTI(4), config->temp5_target_temperature);
-	w83795_write(dev, W83795_REG_TTTI(5), config->temp6_target_temperature);
-
-	/* Set fan stall prevention parameters */
-	w83795_write(dev, W83795_REG_FAN_NONSTOP(0), config->fan1_nonstop);
-	w83795_write(dev, W83795_REG_FAN_NONSTOP(1), config->fan2_nonstop);
-	w83795_write(dev, W83795_REG_FAN_NONSTOP(2), config->fan3_nonstop);
-	w83795_write(dev, W83795_REG_FAN_NONSTOP(3), config->fan4_nonstop);
-	w83795_write(dev, W83795_REG_FAN_NONSTOP(4), config->fan5_nonstop);
-	w83795_write(dev, W83795_REG_FAN_NONSTOP(5), config->fan6_nonstop);
-	w83795_write(dev, W83795_REG_FAN_NONSTOP(6), config->fan7_nonstop);
-	w83795_write(dev, W83795_REG_FAN_NONSTOP(7), config->fan8_nonstop);
-
-	/* Set fan default speed */
-	w83795_write(dev, W83795_REG_DFSP, fan_pct_to_cfg_val(config->default_speed));
-
-	/* Set initial fan speeds */
-	w83795_write(dev, W83795_REG_FAN_MANUAL_SPEED(0), fan_pct_to_cfg_val(config->fan1_duty));
-	w83795_write(dev, W83795_REG_FAN_MANUAL_SPEED(1), fan_pct_to_cfg_val(config->fan2_duty));
-	w83795_write(dev, W83795_REG_FAN_MANUAL_SPEED(2), fan_pct_to_cfg_val(config->fan3_duty));
-	w83795_write(dev, W83795_REG_FAN_MANUAL_SPEED(3), fan_pct_to_cfg_val(config->fan4_duty));
-	w83795_write(dev, W83795_REG_FAN_MANUAL_SPEED(4), fan_pct_to_cfg_val(config->fan5_duty));
-	w83795_write(dev, W83795_REG_FAN_MANUAL_SPEED(5), fan_pct_to_cfg_val(config->fan6_duty));
-	w83795_write(dev, W83795_REG_FAN_MANUAL_SPEED(6), fan_pct_to_cfg_val(config->fan7_duty));
-	w83795_write(dev, W83795_REG_FAN_MANUAL_SPEED(7), fan_pct_to_cfg_val(config->fan8_duty));
-
-	/* Voltage monitor settings */
-	w83795_write(dev, W83795_REG_VOLT_CTRL1, config->volt_ctl1);
-	w83795_write(dev, W83795_REG_VOLT_CTRL2, config->volt_ctl2);
-
-	/* Voltage high/low limits */
-	w83795_write(dev, W83795_REG_VOLT_LIM_HIGH(0), millivolts_to_limit_value_type1(config->vcore1_high_limit_mv));
-	w83795_write(dev, W83795_REG_VOLT_LIM_LOW(0), millivolts_to_limit_value_type1(config->vcore1_low_limit_mv));
-	w83795_write(dev, W83795_REG_VOLT_LIM_HIGH(1), millivolts_to_limit_value_type1(config->vcore2_high_limit_mv));
-	w83795_write(dev, W83795_REG_VOLT_LIM_LOW(1), millivolts_to_limit_value_type1(config->vcore2_low_limit_mv));
-	w83795_write(dev, W83795_REG_VOLT_LIM_HIGH(2), millivolts_to_limit_value_type1(config->vsen3_high_limit_mv));
-	w83795_write(dev, W83795_REG_VOLT_LIM_LOW(2), millivolts_to_limit_value_type1(config->vsen3_low_limit_mv));
-	w83795_write(dev, W83795_REG_VOLT_LIM_HIGH(3), millivolts_to_limit_value_type1(config->vsen4_high_limit_mv));
-	w83795_write(dev, W83795_REG_VOLT_LIM_LOW(3), millivolts_to_limit_value_type1(config->vsen4_low_limit_mv));
-	w83795_write(dev, W83795_REG_VOLT_LIM_HIGH(4), millivolts_to_limit_value_type1(config->vsen5_high_limit_mv));
-	w83795_write(dev, W83795_REG_VOLT_LIM_LOW(4), millivolts_to_limit_value_type1(config->vsen5_low_limit_mv));
-	w83795_write(dev, W83795_REG_VOLT_LIM_HIGH(5), millivolts_to_limit_value_type1(config->vsen6_high_limit_mv));
-	w83795_write(dev, W83795_REG_VOLT_LIM_LOW(5), millivolts_to_limit_value_type1(config->vsen6_low_limit_mv));
-	w83795_write(dev, W83795_REG_VOLT_LIM_HIGH(6), millivolts_to_limit_value_type1(config->vsen7_high_limit_mv));
-	w83795_write(dev, W83795_REG_VOLT_LIM_LOW(6), millivolts_to_limit_value_type1(config->vsen7_low_limit_mv));
-	w83795_write(dev, W83795_REG_VOLT_LIM_HIGH(7), millivolts_to_limit_value_type1(config->vsen8_high_limit_mv));
-	w83795_write(dev, W83795_REG_VOLT_LIM_LOW(7), millivolts_to_limit_value_type1(config->vsen8_low_limit_mv));
-	w83795_write(dev, W83795_REG_VOLT_LIM_HIGH(8), millivolts_to_limit_value_type1(config->vsen9_high_limit_mv));
-	w83795_write(dev, W83795_REG_VOLT_LIM_LOW(8), millivolts_to_limit_value_type1(config->vsen9_low_limit_mv));
-	w83795_write(dev, W83795_REG_VOLT_LIM_HIGH(9), millivolts_to_limit_value_type1(config->vsen10_high_limit_mv));
-	w83795_write(dev, W83795_REG_VOLT_LIM_LOW(9), millivolts_to_limit_value_type1(config->vsen10_low_limit_mv));
-	w83795_write(dev, W83795_REG_VOLT_LIM_HIGH(10), millivolts_to_limit_value_type1(config->vsen11_high_limit_mv));
-	w83795_write(dev, W83795_REG_VOLT_LIM_LOW(10), millivolts_to_limit_value_type1(config->vsen11_low_limit_mv));
-	w83795_write(dev, W83795_REG_VOLT_LIM_HIGH(11), millivolts_to_limit_value_type1(config->vtt_high_limit_mv));
-	w83795_write(dev, W83795_REG_VOLT_LIM_LOW(11), millivolts_to_limit_value_type1(config->vtt_low_limit_mv));
-	w83795_write(dev, W83795_REG_VOLT_LIM_HIGH(12), millivolts_to_limit_value_type2(config->vdd_high_limit_mv));
-	w83795_write(dev, W83795_REG_VOLT_LIM_LOW(12), millivolts_to_limit_value_type2(config->vdd_low_limit_mv));
-	w83795_write(dev, W83795_REG_VOLT_LIM_HIGH(13), millivolts_to_limit_value_type2(config->vsb_high_limit_mv));
-	w83795_write(dev, W83795_REG_VOLT_LIM_LOW(13), millivolts_to_limit_value_type2(config->vsb_low_limit_mv));
-	w83795_write(dev, W83795_REG_VOLT_LIM_HIGH(14), millivolts_to_limit_value_type2(config->vbat_high_limit_mv));
-	w83795_write(dev, W83795_REG_VOLT_LIM_LOW(14), millivolts_to_limit_value_type2(config->vbat_low_limit_mv));
-
-	/* VSEN12 limits */
-	if (config->temp_ctl1 & 0x2) {
-		limit_value = millivolts_to_limit_value_type3(config->vsen12_high_limit_mv);
-		w83795_write(dev, W83795_REG_VOLT_LIM_HIGH_2_M(4), limit_value >> 2);
-		w83795_write(dev, W83795_REG_VOLT_LIM_HIGH_2_L(4), limit_value & 0x3);
-		limit_value = millivolts_to_limit_value_type3(config->vsen12_low_limit_mv);
-		w83795_write(dev, W83795_REG_VOLT_LIM_LOW_2_M(4), limit_value >> 2);
-		w83795_write(dev, W83795_REG_VOLT_LIM_LOW_2_L(4), limit_value & 0x3);
-	}
-
-	/* VSEN13 limits */
-	if (config->temp_ctl1 & 0x8) {
-		limit_value = millivolts_to_limit_value_type3(config->vsen13_high_limit_mv);
-		w83795_write(dev, W83795_REG_VOLT_LIM_HIGH_2_M(5), limit_value >> 2);
-		w83795_write(dev, W83795_REG_VOLT_LIM_HIGH_2_L(5), limit_value & 0x3);
-		limit_value = millivolts_to_limit_value_type3(config->vsen13_low_limit_mv);
-		w83795_write(dev, W83795_REG_VOLT_LIM_LOW_2_M(5), limit_value >> 2);
-		w83795_write(dev, W83795_REG_VOLT_LIM_LOW_2_L(5), limit_value & 0x3);
-	}
-
-	w83795_set_fan(dev, mode);
-
-	/* Show current fan control settings */
-	printk(BIOS_INFO, "Fan\tCTFS(celsius)\tTTTI(celsius)\n");
-	for (i = 0; i < 6; i++) {
-		val = w83795_read(dev, W83795_REG_CTFS(i));
-		printk(BIOS_INFO, " %x\t%d", i + 1, val);
-		val = w83795_read(dev, W83795_REG_TTTI(i));
-		printk(BIOS_INFO, "\t%d\n", val);
-	}
-
-	/* Show current temperatures */
-	for (i = 0; i < 8; i++) {
-		val = w83795_read(dev, W83795_REG_DTS(i));
-		printk(BIOS_DEBUG, "DTS%x current value: %x\n", i + 1, val);
-	}
-
-	/* Start monitoring / fan control */
-	val = w83795_read(dev, W83795_REG_CONFIG);
-	val |= W83795_REG_CONFIG_START;
-	w83795_write(dev, W83795_REG_CONFIG, val);
-
-#if CONFIG(SMBUS_HAS_AUX_CHANNELS)
-	/* Restore SMBUS channel setting */
-	smbus_switch_to_channel(smbus_aux_channel_prev);
-	printk(BIOS_DEBUG, "Set SMBUS controller to channel %d\n", smbus_aux_channel_prev);
-#endif
-}
-
-static void w83795_hwm_init(struct device *dev)
-{
-	struct device *cpu;
-	struct cpu_info *info;
-
-	info = cpu_info();
-	cpu = info->cpu;
-	if (!cpu)
-		die("CPU: missing CPU device structure");
-
-	if (cpu->vendor == X86_VENDOR_AMD)
-		w83795_init(dev, THERMAL_CRUISE_MODE, DTS_SRC_AMD_SBTSI);
-	else if (cpu->vendor == X86_VENDOR_INTEL)
-		w83795_init(dev, THERMAL_CRUISE_MODE, DTS_SRC_INTEL_PECI);
-	else
-		printk(BIOS_ERR, "Neither AMD nor INTEL CPU detected\n");
-}
-
-static struct device_operations w83795_operations = {
-	.read_resources = DEVICE_NOOP,
-	.set_resources = DEVICE_NOOP,
-	.enable_resources = DEVICE_NOOP,
-	.init = w83795_hwm_init,
-};
-
-static void enable_dev(struct device *dev)
-{
-	dev->ops = &w83795_operations;
-}
-
-struct chip_operations drivers_i2c_w83795_ops = {
-	CHIP_NAME("Nuvoton W83795G/ADG Hardware Monitor")
-	.enable_dev = enable_dev,
-};
diff --git a/src/drivers/i2c/w83795/w83795.h b/src/drivers/i2c/w83795/w83795.h
deleted file mode 100644
index f3dd1766c1..0000000000
--- a/src/drivers/i2c/w83795/w83795.h
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#ifndef _W83795_H_
-#define _W83795_H_
-
-#define W83795_REG_I2C_ADDR		0xFC
-#define W83795_REG_BANKSEL		0x00
-#define W83795_REG_CONFIG		0x01
-#define W83795_REG_CONFIG_START		0x01
-#define W83795_REG_CONFIG_CONFIG48	0x04
-#define W83795_REG_CONFIG_INIT		0x80
-
-#define W83795_REG_VOLT_CTRL1		0x02
-#define W83795_REG_VOLT_CTRL2		0x03
-#define W83795_REG_TEMP_CTRL1		0x04 /* Temperature Monitoring Control Register */
-#define W83795_REG_TEMP_CTRL2		0x05 /* Temperature Monitoring Control Register */
-#define W83795_REG_FANIN_CTRL1		0x06
-#define W83795_REG_FANIN_CTRL2		0x07
-#define W83795_REG_TEMP_CTRL1_EN_DTS	0x20 /* Enable DTS (Digital Temperature Sensor) interface from INTEL PECI or AMD SB-TSI. */
-#define DTS_SRC_INTEL_PECI		(0 << 0)
-#define DTS_SRC_AMD_SBTSI		(1 << 0)
-
-#define W83795_REG_TTTI(n)		(0x260 + (n)) /* Target temperature W83795G/ADG will try to tune the fan output to keep */
-#define W83795_REG_CTFS(n)		(0x268 + (n)) /* Critical Temperature to Full Speed all fan */
-#define W83795_REG_DTSC			0x301 /* Digital Temperature Sensor Configuration */
-
-#define W83795_REG_DTSE			0x302 /* Digital Temperature Sensor Enable */
-#define W83795_REG_DTS(n)		(0x26 + (n))
-#define W83795_REG_VRLSB		0x3C
-
-#define W83795_REG_TEMP_TR1		0x21
-#define W83795_REG_TEMP_TR2		0x22
-#define W83795_REG_TEMP_TR3		0x23
-#define W83795_REG_TEMP_TR4		0x24
-#define W83795_REG_TEMP_TR5		0x1F
-#define W83795_REG_TEMP_TR6		0x20
-
-#define W83795_REG_VOLT_LIM_HIGH(n)	(0x70 + (n * 2))	/* Voltage high limit (0 == VSEN1) */
-#define W83795_REG_VOLT_LIM_LOW(n)	(0x71 + (n * 2))	/* Voltage low limit (0 == VSEN1) */
-#define W83795_REG_VOLT_LIM_HIGH_2_M(n)	(0x96 + (n * 4))	/* Voltage high limit MSB (0 == VDSEN14) */
-#define W83795_REG_VOLT_LIM_LOW_2_M(n)	(0x97 + (n * 4))	/* Voltage low limit MSB (0 == VDSEN14)  */
-#define W83795_REG_VOLT_LIM_HIGH_2_L(n)	(0x98 + (n * 4))	/* Voltage high limit LSB (0 == VDSEN14) */
-#define W83795_REG_VOLT_LIM_LOW_2_L(n)	(0x99 + (n * 4))	/* Voltage low limit LSB (0 == VDSEN14)  */
-
-#define W83795_REG_TEMP_CRIT(n)		(0x96 + (n * 4))	/* Temperature critical limit */
-#define W83795_REG_TEMP_CRIT_HYSTER(n)	(0x97 + (n * 4))	/* Temperature critical limit hysteresis */
-#define W83795_REG_TEMP_WARN(n)		(0x98 + (n * 4))	/* Temperature warning limit */
-#define W83795_REG_TEMP_WARN_HYSTER(n)	(0x99 + (n * 4))	/* Temperature warning limit hysteresis */
-
-#define W83795_REG_DTS_CRIT		0xB2			/* Temperature critical limit */
-#define W83795_REG_DTS_CRIT_HYSTER	0xB3			/* Temperature critical limit hysteresis */
-#define W83795_REG_DTS_WARN		0xB4			/* Temperature warning limit */
-#define W83795_REG_DTS_WARN_HYSTER	0xB5			/* Temperature warning limit hysteresis */
-
-#define W83795_REG_FCMS1		0x201
-#define W83795_REG_FCMS2		0x208
-#define W83795_REG_TFMR(n)		(0x202 + (n))		/* Temperature to fan mapping */
-#define W83795_REG_T12TSS		0x209			/* Temperature Source Selection Register 1 */
-#define W83795_REG_T34TSS		0x20A			/* Temperature Source Selection Register 2 */
-#define W83795_REG_T56TSS		0x20B			/* Temperature Source Selection Register 3 */
-#define W83795_REG_FAN_MANUAL_SPEED(n)	(0x210 + n)
-#define W83795_REG_DFSP			0x20C
-
-#define W83795_REG_FAN_NONSTOP(n)	(0x228 + (n))	/* Fan Nonstop Value */
-
-#define W83795_REG_FTSH(n)		(0x240 + (n) * 2)
-#define W83795_REG_FTSL(n)		(0x241 + (n) * 2)
-#define W83795_REG_TFTS			0x250
-
-typedef enum w83795_fan_mode {
-	SPEED_CRUISE_MODE = 0,		///< Fan Speed Cruise mode keeps the fan speed in a specified range
-	THERMAL_CRUISE_MODE = 1,	///< Thermal Cruise mode is an algorithm to control the fan speed to keep the temperature source around the TTTI
-	SMART_FAN_MODE = 2,		///< Smart Fan mode offers 6 slopes to control the fan speed
-	MANUAL_MODE = 3,		///< control manually
-} w83795_fan_mode_t;
-
-#endif