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/* SPDX-License-Identifier: GPL-2.0-or-later */
/* This file is part of the coreboot project. */
/* Setup only for Fan2
* TODO: Add support for Fan1 and Fan3
*/
#include <console/console.h>
#include <device/device.h>
#include <device/pnp.h>
#include "fintek_internal.h"
#include "chip.h"
/* Register addresses */
// Choose between AMD and Intel
#define HWM_AMD_TSI_ADDR 0x08
#define HWM_AMD_TSI_CONTROL_REG 0x0A
// Set temp sensors type
#define TEMP_SENS_TYPE_REG 0x6B
// FAN prog sel
#define HWM_FAN3_CONTROL 0x9A
#define HWM_FAN_SEL 0x94
#define HWM_FAN_MODE 0x96
#define HWM_FAN2_TEMP_MAP_SEL 0xBF
// Fan 2 - 4 Boundaries
#define HWM_FAN2_BOUND1 0xB6
#define HWM_FAN2_BOUND2 0xB7
#define HWM_FAN2_BOUND3 0xB8
#define HWM_FAN2_BOUND4 0xB9
// Fan 2 - 5 Segment speeds
#define HWM_FAN2_SEG1_SPEED_COUNT 0xBA
#define HWM_FAN2_SEG2_SPEED_COUNT 0xBB
#define HWM_FAN2_SEG3_SPEED_COUNT 0xBC
#define HWM_FAN2_SEG4_SPEED_COUNT 0xBD
#define HWM_FAN2_SEG5_SPEED_COUNT 0xBE
void f81866d_hwm_init(struct device *dev)
{
struct resource *res = find_resource(dev, PNP_IDX_IO0);
if (!res) {
printk(BIOS_WARNING, "Super I/O HWM: No HWM resource found.\n");
return;
}
const struct superio_fintek_f81866d_config *reg = dev->chip_info;
u16 port = res->base;
pnp_enter_conf_mode(dev);
/* Use AMD TSI */
pnp_write_index(port, HWM_AMD_TSI_ADDR, reg->hwm_amd_tsi_addr);
pnp_write_index(port, HWM_AMD_TSI_CONTROL_REG, reg->hwm_amd_tsi_control);
/* Set temp1 sensor to thermistor */
pnp_write_index(port, TEMP_SENS_TYPE_REG, reg->hwm_temp_sens_type);
/* Select FAN Type */
pnp_write_index(port, HWM_FAN_SEL, reg->hwm_fan_select);
/* Select FAN Mode*/
pnp_write_index(port, HWM_FAN_MODE, reg->hwm_fan_mode);
/* Set Boundaries */
pnp_write_index(port, HWM_FAN2_BOUND1, reg->hwm_fan2_bound1);
pnp_write_index(port, HWM_FAN2_BOUND2, reg->hwm_fan2_bound2);
pnp_write_index(port, HWM_FAN2_BOUND3, reg->hwm_fan2_bound3);
pnp_write_index(port, HWM_FAN2_BOUND4, reg->hwm_fan2_bound4);
/* Set Speed */
pnp_write_index(port, HWM_FAN2_SEG1_SPEED_COUNT, reg->hwm_fan2_seg1_speed);
pnp_write_index(port, HWM_FAN2_SEG2_SPEED_COUNT, reg->hwm_fan2_seg2_speed);
pnp_write_index(port, HWM_FAN2_SEG3_SPEED_COUNT, reg->hwm_fan2_seg3_speed);
pnp_write_index(port, HWM_FAN2_SEG4_SPEED_COUNT, reg->hwm_fan2_seg4_speed);
pnp_write_index(port, HWM_FAN2_SEG5_SPEED_COUNT, reg->hwm_fan2_seg5_speed);
/* Set Fan control freq */
pnp_write_index(port, HWM_FAN3_CONTROL, reg->hwm_fan3_control);
pnp_write_index(port, HWM_FAN2_TEMP_MAP_SEL, reg->hwm_fan2_temp_map_select);
pnp_exit_conf_mode(dev);
}
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