/* SPDX-License-Identifier: GPL-2.0-only */ #include <bootblock_common.h> #include <stdint.h> #include <southbridge/intel/bd82x6x/pch.h> #include "superio.h" #include "thermal.h" static const u16 hwm_initvals[] = { HWM_BANK(0), HWM_INITVAL(0xae, 0x01), /* Enable PECI Agent0 */ HWM_BANK(7), /* PECI */ HWM_INITVAL(0x01, 0x95), /* Enable PECI */ HWM_INITVAL(0x03, 0x10), /* Enable Agent 0 */ /* * PECI temperatures are negative, going up to 0. * 0 represents the maximum allowable junction temperature, Tjmax. * There is also Tcontrol, which is the temperature at which the * system cooling should run at full speed. * Since the NCT5577D fan control only supports positive values, * Tbase0 is used as an offset. */ HWM_INITVAL(0x09, CRITICAL_TEMPERATURE), /* Tbase0 */ HWM_BANK(2), /* CPUFAN control */ HWM_INITVAL(0x00, 0x0c), /* PECI Agent 0 as CPUFAN monitoring source */ HWM_INITVAL(0x01, 50), /* Target temperature */ HWM_INITVAL(0x02, 0x40), /* Enable Smart Fan IV mode */ HWM_INITVAL(0x03, 0x01), /* Step-up time */ HWM_INITVAL(0x04, 0x01), /* Step-down time */ HWM_INITVAL(0x05, 0x10), /* Stop PWM value */ HWM_INITVAL(0x06, 0x20), /* Start PWM value */ HWM_INITVAL(0x21, 45), /* Smart Fan IV Temp1 */ HWM_INITVAL(0x22, 46), /* Smart Fan IV Temp2 */ HWM_INITVAL(0x23, 47), /* Smart Fan IV Temp3 */ HWM_INITVAL(0x24, PASSIVE_TEMPERATURE), /* Smart Fan IV Temp4 */ HWM_INITVAL(0x27, 0x01), /* Smart Fan IV PWM1 */ HWM_INITVAL(0x28, 0x02), /* Smart Fan IV PWM2 */ HWM_INITVAL(0x29, 0x03), /* Smart Fan IV PWM3 */ HWM_INITVAL(0x2a, 0xff), /* Smart Fan IV PWM4 */ /* Smart Fan IV Critical temp */ HWM_INITVAL(0x35, CRITICAL_TEMPERATURE), HWM_INITVAL(0x38, 3), /* Smart Fan IV Critical temp tolerance */ HWM_INITVAL(0x39, 0x81), /* Enable SYSTIN weight value */ HWM_INITVAL(0x3a, 1), /* SYSTIN temperature step */ HWM_INITVAL(0x3b, 2), /* SYSTIN step tolerance */ HWM_INITVAL(0x3c, 1), /* SYSTIN weight step */ HWM_INITVAL(0x3d, 40), /* SYSTIN temperature base */ HWM_INITVAL(0x3e, 0x00), /* SYSTIN fan duty base */ HWM_BANK(0), }; static void hwm_init(void) { /* Set up fan control */ for (int i = 0; i < ARRAY_SIZE(hwm_initvals); i++) HWM_WRITE_INITVAL(hwm_initvals[i]); } static const u16 superio_initvals[] = { /* Global config registers */ SUPERIO_INITVAL(0x1a, 0x02), SUPERIO_INITVAL(0x1b, 0x6a), SUPERIO_INITVAL(0x27, 0x80), #if CONFIG(DISABLE_UART_ON_TESTPADS) SUPERIO_INITVAL(0x2a, 0x80), #else SUPERIO_INITVAL(0x2a, 0x00), #endif SUPERIO_INITVAL(0x2c, 0x00), SUPERIO_BANK(2), /* UART A */ SUPERIO_INITVAL(0x30, 0x01), SUPERIO_INITVAL(0x60, 0x03), SUPERIO_INITVAL(0x61, 0xf8), SUPERIO_INITVAL(0x70, 0x04), SUPERIO_BANK(7), /* GPIO config */ SUPERIO_INITVAL(0x30, 0x01), SUPERIO_INITVAL(0xe0, 0xcf), SUPERIO_INITVAL(0xe1, 0x0f), SUPERIO_INITVAL(0xe4, 0xed), SUPERIO_INITVAL(0xe5, 0x4d), SUPERIO_INITVAL(0xec, 0x30), SUPERIO_INITVAL(0xee, 0xff), SUPERIO_BANK(8), SUPERIO_INITVAL(0x30, 0x0a), SUPERIO_INITVAL(0x60, GPIO_PORT >> 8), SUPERIO_INITVAL(0x61, GPIO_PORT & 0xff), SUPERIO_BANK(9), SUPERIO_INITVAL(0x30, 0x8c), SUPERIO_INITVAL(0xe1, 0x90), SUPERIO_BANK(0xa), SUPERIO_INITVAL(0xe4, 0x20), SUPERIO_INITVAL(0xe6, 0x4c), SUPERIO_BANK(0xb), /* HWM & LED */ SUPERIO_INITVAL(0x30, 0x01), SUPERIO_INITVAL(0x60, HWM_PORT >> 8), SUPERIO_INITVAL(0x61, HWM_PORT & 0xff), SUPERIO_INITVAL(0xf7, 0x67), SUPERIO_INITVAL(0xf8, 0x60), SUPERIO_BANK(0x16), SUPERIO_INITVAL(0x30, 0x00), }; static void superio_init(void) { SUPERIO_UNLOCK; for (int i = 0; i < ARRAY_SIZE(superio_initvals); i++) SUPERIO_WRITE_INITVAL(superio_initvals[i]); SUPERIO_LOCK; } void bootblock_mainboard_early_init(void) { superio_init(); hwm_init(); }