diff options
Diffstat (limited to 'board/endeavour/board.c')
| -rw-r--r-- | board/endeavour/board.c | 545 |
1 files changed, 545 insertions, 0 deletions
diff --git a/board/endeavour/board.c b/board/endeavour/board.c new file mode 100644 index 0000000000..5a28a926e8 --- /dev/null +++ b/board/endeavour/board.c @@ -0,0 +1,545 @@ +/* Copyright 2019 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +/* Endeavour board configuration */ + +#include "adc.h" +#include "adc_chip.h" +#include "battery.h" +#include "bd99992gw.h" +#include "board_config.h" +#include "button.h" +#include "chipset.h" +#include "console.h" +#include "cros_board_info.h" +#include "driver/pmic_tps650x30.h" +#include "driver/temp_sensor/tmp432.h" +#include "driver/tcpm/ps8xxx.h" +#include "driver/tcpm/tcpci.h" +#include "driver/tcpm/tcpm.h" +#include "espi.h" +#include "extpower.h" +#include "espi.h" +#include "fan.h" +#include "fan_chip.h" +#include "gpio.h" +#include "hooks.h" +#include "host_command.h" +#include "i2c.h" +#include "math_util.h" +#include "oz554.h" +#include "pi3usb9281.h" +#include "power.h" +#include "power_button.h" +#include "pwm.h" +#include "pwm_chip.h" +#include "spi.h" +#include "switch.h" +#include "system.h" +#include "task.h" +#include "temp_sensor.h" +#include "timer.h" +#include "uart.h" +#include "usb_charge.h" +#include "usb_mux.h" +#include "usb_pd.h" +#include "usb_pd_tcpm.h" +#include "util.h" + +#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args) +#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args) + +static uint8_t board_version; +static uint32_t oem; +static uint32_t sku; + +enum bj_adapter { + BJ_90W_19V, + BJ_135W_19V, +}; + +/* + * Bit masks to map SKU ID to BJ adapter wattage. 1:135W 0:90W + * KBL-R i7 8550U 4 135 + * KBL-R i5 8250U 5 135 + * KBL-R i3 8130U 6 135 + * KBL-U i7 7600 3 135 + * KBL-U i5 7500 2 135 + * KBL-U i3 7100 1 90 + * KBL-U Celeron 3965 7 90 + * KBL-U Celeron 3865 0 90 + */ +#define BJ_ADAPTER_135W_MASK (1 << 4 | 1 << 5 | 1 << 6 | 1 << 3 | 1 << 2) + +static void tcpc_alert_event(enum gpio_signal signal) +{ + if (!gpio_get_level(GPIO_USB_C0_PD_RST_ODL)) + return; +#ifdef HAS_TASK_PDCMD + /* Exchange status with TCPCs */ + host_command_pd_send_status(PD_CHARGE_NO_CHANGE); +#endif +} + +void vbus0_evt(enum gpio_signal signal) +{ + task_wake(TASK_ID_PD_C0); +} + +#include "gpio_list.h" + +/* Hibernate wake configuration */ +const enum gpio_signal hibernate_wake_pins[] = { + GPIO_POWER_BUTTON_L, +}; +const int hibernate_wake_pins_used = ARRAY_SIZE(hibernate_wake_pins); + +/* ADC channels */ +const struct adc_t adc_channels[] = { + /* Vbus sensing (1/10 voltage divider). */ + [ADC_VBUS] = {"VBUS", NPCX_ADC_CH2, ADC_MAX_VOLT*10, ADC_READ_MAX+1, 0}, +}; +BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); + +/* TODO: Verify fan control and mft */ +const struct fan_conf fan_conf_0 = { + .flags = FAN_USE_RPM_MODE, + .ch = MFT_CH_0, /* Use MFT id to control fan */ + .pgood_gpio = -1, + .enable_gpio = GPIO_FAN_PWR_EN, +}; + +const struct fan_rpm fan_rpm_0 = { + .rpm_min = 2180, + .rpm_start = 2180, + .rpm_max = 4900, +}; + +const struct fan_t fans[] = { + [FAN_CH_0] = { .conf = &fan_conf_0, .rpm = &fan_rpm_0, }, +}; +BUILD_ASSERT(ARRAY_SIZE(fans) == FAN_CH_COUNT); + +const struct mft_t mft_channels[] = { + [MFT_CH_0] = {NPCX_MFT_MODULE_2, TCKC_LFCLK, PWM_CH_FAN}, +}; +BUILD_ASSERT(ARRAY_SIZE(mft_channels) == MFT_CH_COUNT); + +const struct i2c_port_t i2c_ports[] = { + {"tcpc", I2C_PORT_TCPC0, 400, GPIO_I2C0_0_SCL, GPIO_I2C0_0_SDA}, + {"eeprom", I2C_PORT_EEPROM, 400, GPIO_I2C0_1_SCL, GPIO_I2C0_1_SDA}, + {"backlight", I2C_PORT_BACKLIGHT, 100, GPIO_I2C1_SCL, GPIO_I2C1_SDA}, + {"pmic", I2C_PORT_PMIC, 400, GPIO_I2C2_SCL, GPIO_I2C2_SDA}, + {"thermal", I2C_PORT_THERMAL, 400, GPIO_I2C3_SCL, GPIO_I2C3_SDA}, +}; +const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); + +/* TCPC mux configuration */ +const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_MAX_COUNT] = { + /* Alert is active-low, push-pull */ + { + .bus_type = EC_BUS_TYPE_I2C, + .i2c_info = { + .port = I2C_PORT_TCPC0, + .addr_flags = I2C_ADDR_TCPC0_FLAGS, + }, + .drv = &ps8xxx_tcpm_drv, + }, +}; + +static int ps8751_tune_mux(int port) +{ + /* 0x98 sets lower EQ of DP port (4.5db) */ + mux_write(port, PS8XXX_REG_MUX_DP_EQ_CONFIGURATION, 0x98); + return EC_SUCCESS; +} + +struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = { + { + .driver = &tcpci_tcpm_usb_mux_driver, + .hpd_update = &ps8xxx_tcpc_update_hpd_status, + .board_init = &ps8751_tune_mux, + } +}; + +const int usb_port_enable[USB_PORT_COUNT] = { + GPIO_USB1_ENABLE, + GPIO_USB2_ENABLE, + GPIO_USB3_ENABLE, + GPIO_USB4_ENABLE, +}; + +void board_reset_pd_mcu(void) +{ + gpio_set_level(GPIO_USB_C0_PD_RST_ODL, 0); + msleep(1); + gpio_set_level(GPIO_USB_C0_PD_RST_ODL, 1); +} + +void board_tcpc_init(void) +{ + int port, reg; + + /* This needs to be executed only once per boot. It could be run by RO + * if we boot in recovery mode. It could be run by RW if we boot in + * normal or dev mode. Note EFS makes RO jump to RW before HOOK_INIT. */ + board_reset_pd_mcu(); + + /* + * Wake up PS8751. If PS8751 remains in low power mode after sysjump, + * TCPM_INIT will fail due to not able to access PS8751. + * Note PS8751 A3 will wake on any I2C access. + */ + i2c_read8(I2C_PORT_TCPC0, I2C_ADDR_TCPC0_FLAGS, 0xA0, ®); + + /* Enable TCPC interrupts */ + gpio_enable_interrupt(GPIO_USB_C0_PD_INT_ODL); + + /* + * Initialize HPD to low; after sysjump SOC needs to see + * HPD pulse to enable video path + */ + for (port = 0; port < CONFIG_USB_PD_PORT_MAX_COUNT; port++) { + const struct usb_mux *mux = &usb_muxes[port]; + mux->hpd_update(port, 0, 0); + } +} +DECLARE_HOOK(HOOK_INIT, board_tcpc_init, HOOK_PRIO_INIT_I2C+1); + +uint16_t tcpc_get_alert_status(void) +{ + if (!gpio_get_level(GPIO_USB_C0_PD_INT_ODL) && + gpio_get_level(GPIO_USB_C0_PD_RST_ODL)) + return PD_STATUS_TCPC_ALERT_0; + return 0; +} + +/* + * TMP431 has one local and one remote sensor. + * + * Temperature sensors data; must be in same order as enum temp_sensor_id. + * Sensor index and name must match those present in coreboot: + * src/mainboard/google/${board}/acpi/dptf.asl + */ +const struct temp_sensor_t temp_sensors[] = { + {"TMP431_Internal", TEMP_SENSOR_TYPE_BOARD, tmp432_get_val, + TMP432_IDX_LOCAL, 4}, + {"TMP431_Sensor_1", TEMP_SENSOR_TYPE_BOARD, tmp432_get_val, + TMP432_IDX_REMOTE1, 4}, +}; +BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT); + +/* + * Thermal limits for each temp sensor. All temps are in degrees K. Must be in + * same order as enum temp_sensor_id. To always ignore any temp, use 0. + */ +struct ec_thermal_config thermal_params[] = { + /* {Twarn, Thigh, Thalt}, <on> + * {Twarn, Thigh, X }, <off> + * fan_off, fan_max + */ + {{0, C_TO_K(80), C_TO_K(81)}, {0, C_TO_K(78), 0}, + C_TO_K(4), C_TO_K(76)}, /* TMP431_Internal */ + {{0, 0, 0}, {0, 0, 0}, 0, 0}, /* TMP431_Sensor_1 */ +}; +BUILD_ASSERT(ARRAY_SIZE(thermal_params) == TEMP_SENSOR_COUNT); + +/* Initialize PMIC */ +#define I2C_PMIC_READ(reg, data) \ + i2c_read8(I2C_PORT_PMIC, TPS650X30_I2C_ADDR1_FLAGS, (reg), (data)) + +#define I2C_PMIC_WRITE(reg, data) \ + i2c_write8(I2C_PORT_PMIC, TPS650X30_I2C_ADDR1_FLAGS, (reg), (data)) + +static void board_pmic_init(void) +{ + int err; + int error_count = 0; + static uint8_t pmic_initialized = 0; + + if (pmic_initialized) + return; + + /* Read vendor ID */ + while (1) { + int data; + err = I2C_PMIC_READ(TPS650X30_REG_VENDORID, &data); + if (!err && data == TPS650X30_VENDOR_ID) + break; + else if (error_count > 5) + goto pmic_error; + error_count++; + } + + /* + * VCCIOCNT register setting + * [6] : CSDECAYEN + * otherbits: default + */ + err = I2C_PMIC_WRITE(TPS650X30_REG_VCCIOCNT, 0x4A); + if (err) + goto pmic_error; + + /* + * VRMODECTRL: + * [4] : VCCIOLPM clear + * otherbits: default + */ + err = I2C_PMIC_WRITE(TPS650X30_REG_VRMODECTRL, 0x2F); + if (err) + goto pmic_error; + + /* + * PGMASK1 : Exclude VCCIO from Power Good Tree + * [7] : MVCCIOPG clear + * otherbits: default + */ + err = I2C_PMIC_WRITE(TPS650X30_REG_PGMASK1, 0x80); + if (err) + goto pmic_error; + + /* + * PWFAULT_MASK1 Register settings + * [7] : 1b V4 Power Fault Masked + * [4] : 1b V7 Power Fault Masked + * [2] : 1b V9 Power Fault Masked + * [0] : 1b V13 Power Fault Masked + */ + err = I2C_PMIC_WRITE(TPS650X30_REG_PWFAULT_MASK1, 0x95); + if (err) + goto pmic_error; + + /* + * Discharge control 4 register configuration + * [7:6] : 00b Reserved + * [5:4] : 01b V3.3S discharge resistance (V6S), 100 Ohm + * [3:2] : 01b V18S discharge resistance (V8S), 100 Ohm + * [1:0] : 01b V100S discharge resistance (V11S), 100 Ohm + */ + err = I2C_PMIC_WRITE(TPS650X30_REG_DISCHCNT4, 0x15); + if (err) + goto pmic_error; + + /* + * Discharge control 3 register configuration + * [7:6] : 01b V1.8U_2.5U discharge resistance (V9), 100 Ohm + * [5:4] : 01b V1.2U discharge resistance (V10), 100 Ohm + * [3:2] : 01b V100A discharge resistance (V11), 100 Ohm + * [1:0] : 01b V085A discharge resistance (V12), 100 Ohm + */ + err = I2C_PMIC_WRITE(TPS650X30_REG_DISCHCNT3, 0x55); + if (err) + goto pmic_error; + + /* + * Discharge control 2 register configuration + * [7:6] : 01b V5ADS3 discharge resistance (V5), 100 Ohm + * [5:4] : 01b V33A_DSW discharge resistance (V6), 100 Ohm + * [3:2] : 01b V33PCH discharge resistance (V7), 100 Ohm + * [1:0] : 01b V18A discharge resistance (V8), 100 Ohm + */ + err = I2C_PMIC_WRITE(TPS650X30_REG_DISCHCNT2, 0x55); + if (err) + goto pmic_error; + + /* + * Discharge control 1 register configuration + * [7:2] : 00b Reserved + * [1:0] : 01b VCCIO discharge resistance (V4), 100 Ohm + */ + err = I2C_PMIC_WRITE(TPS650X30_REG_DISCHCNT1, 0x01); + if (err) + goto pmic_error; + + /* + * Increase Voltage + * [7:0] : 0x2a default + * [5:4] : 10b default + * [5:4] : 01b 5.1V (0x1a) + */ + err = I2C_PMIC_WRITE(TPS650X30_REG_V5ADS3CNT, 0x1a); + if (err) + goto pmic_error; + + /* + * PBCONFIG Register configuration + * [7] : 1b Power button debounce, 0ms (no debounce) + * [6] : 0b Power button reset timer logic, no action (default) + * [5:0] : 011111b Force an Emergency reset time, 31s (default) + */ + err = I2C_PMIC_WRITE(TPS650X30_REG_PBCONFIG, 0x9F); + if (err) + goto pmic_error; + + /* + * V3.3A_DSW (VR3) control. Default: 0x2A. + * [7:6] : 00b Disabled + * [5:4] : 00b Vnom + 3%. (default: 10b 0%) + */ + err = I2C_PMIC_WRITE(TPS650X30_REG_V33ADSWCNT, 0x0A); + if (err) + goto pmic_error; + + CPRINTS("PMIC init done"); + pmic_initialized = 1; + return; + +pmic_error: + CPRINTS("PMIC init failed"); +} + +void chipset_pre_init_callback(void) +{ + board_pmic_init(); +} + +/** + * Notify PCH of the AC presence. + */ +static void board_extpower(void) +{ + gpio_set_level(GPIO_PCH_ACPRESENT, extpower_is_present()); +} +DECLARE_HOOK(HOOK_AC_CHANGE, board_extpower, HOOK_PRIO_DEFAULT); + +enum battery_present battery_is_present(void) +{ + return BP_NO; +} + +int64_t get_time_dsw_pwrok(void) +{ + /* DSW_PWROK is turned on before EC was powered. */ + return -20 * MSEC; +} + +const struct pwm_t pwm_channels[] = { + [PWM_CH_LED_RED] = { 3, PWM_CONFIG_DSLEEP, 100 }, + [PWM_CH_LED_BLUE] = { 5, PWM_CONFIG_DSLEEP, 100 }, + [PWM_CH_FAN] = {4, PWM_CONFIG_OPEN_DRAIN, 25000}, +}; +BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT); + +struct fan_step { + int on; + int off; + int rpm; +}; + +/* Note: Do not make the fan on/off point equal to 0 or 100 */ +static const struct fan_step fan_table0[] = { + {.on = 0, .off = 5, .rpm = 0}, + {.on = 30, .off = 5, .rpm = 2180}, + {.on = 49, .off = 46, .rpm = 2680}, + {.on = 53, .off = 50, .rpm = 3300}, + {.on = 58, .off = 54, .rpm = 3760}, + {.on = 63, .off = 59, .rpm = 4220}, + {.on = 68, .off = 64, .rpm = 4660}, + {.on = 75, .off = 70, .rpm = 4900}, +}; +/* All fan tables must have the same number of levels */ +#define NUM_FAN_LEVELS ARRAY_SIZE(fan_table0) + +static const struct fan_step *fan_table = fan_table0; + + +static void cbi_init(void) +{ + uint32_t val; + if (cbi_get_board_version(&val) == EC_SUCCESS && val <= UINT8_MAX) + board_version = val; + CPRINTS("Board Version: 0x%02x", board_version); + + if (cbi_get_oem_id(&val) == EC_SUCCESS && val < OEM_COUNT) + oem = val; + CPRINTS("OEM: %d", oem); + + if (cbi_get_sku_id(&val) == EC_SUCCESS) + sku = val; + CPRINTS("SKU: 0x%08x", sku); +} +DECLARE_HOOK(HOOK_INIT, cbi_init, HOOK_PRIO_INIT_I2C + 1); + +static void setup_bj(void) +{ + enum bj_adapter bj = (BJ_ADAPTER_135W_MASK & (1 << sku)) ? + BJ_135W_19V : BJ_90W_19V; + gpio_set_level(GPIO_U22_90W, bj == BJ_90W_19V); +} + +static void board_init(void) +{ + setup_bj(); + + board_extpower(); + + gpio_enable_interrupt(GPIO_USB_C0_VBUS_WAKE_L); +} +DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT); + +int fan_percent_to_rpm(int fan, int pct) +{ + static int current_level; + static int previous_pct; + int i; + + /* + * Compare the pct and previous pct, we have the three paths : + * 1. decreasing path. (check the off point) + * 2. increasing path. (check the on point) + * 3. invariant path. (return the current RPM) + */ + if (pct < previous_pct) { + for (i = current_level; i >= 0; i--) { + if (pct <= fan_table[i].off) + current_level = i - 1; + else + break; + } + } else if (pct > previous_pct) { + for (i = current_level + 1; i < NUM_FAN_LEVELS; i++) { + if (pct >= fan_table[i].on) + current_level = i; + else + break; + } + } + + if (current_level < 0) + current_level = 0; + + previous_pct = pct; + + if (fan_table[current_level].rpm != + fan_get_rpm_target(FAN_CH(fan))) + cprints(CC_THERMAL, "Setting fan RPM to %d", + fan_table[current_level].rpm); + + return fan_table[current_level].rpm; +} + +__override void oz554_board_init(void) +{ + int pin_status = 0; + + pin_status |= gpio_get_level(GPIO_PANEL_ID_0) << 0; + pin_status |= gpio_get_level(GPIO_PANEL_ID_1) << 1; + pin_status |= gpio_get_level(GPIO_PANEL_ID_2) << 2; + + switch (pin_status) { + case 0x04: + CPRINTS("PANEL_LM_SSE2"); + break; + case 0x05: + CPRINTS("PANEL_LM_SSK1"); + /* Reigster 0x02: Setting LED current: 55(mA) */ + if (oz554_set_config(2, 0x55)) + CPRINTS("oz554 config failed"); + break; + default: + CPRINTS("PANEL_UNKNOWN"); + break; + } +} |