diff options
Diffstat (limited to 'board/sentry/board.c')
| -rw-r--r-- | board/sentry/board.c | 601 |
1 files changed, 601 insertions, 0 deletions
diff --git a/board/sentry/board.c b/board/sentry/board.c new file mode 100644 index 0000000000..2ff76c130c --- /dev/null +++ b/board/sentry/board.c @@ -0,0 +1,601 @@ +/* Copyright 2016 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. + */ +/* Skylake Chrome Reference Design board-specific configuration */ + +#include "adc_chip.h" +#include "als.h" +#include "button.h" +#include "charge_manager.h" +#include "charge_state.h" +#include "charger.h" +#include "console.h" +#include "driver/accel_kionix.h" +#include "driver/accel_kxcj9.h" +#include "driver/als_opt3001.h" +#include "driver/gyro_l3gd20h.h" +#include "driver/pmic_tps650830.h" +#include "driver/temp_sensor/tmp432.h" +#include "extpower.h" +#include "fan.h" +#include "gpio.h" +#include "hooks.h" +#include "host_command.h" +#include "i2c.h" +#include "lid_switch.h" +#include "math_util.h" +#include "motion_lid.h" +#include "motion_sense.h" +#include "pi3usb9281.h" +#include "power.h" +#include "power_button.h" +#include "spi.h" +#include "switch.h" +#include "system.h" +#include "task.h" +#include "temp_sensor.h" +#include "temp_sensor_chip.h" +#include "thermal.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) + +#define GPIO_KB_INPUT (GPIO_INPUT | GPIO_PULL_UP) +#define GPIO_KB_OUTPUT (GPIO_ODR_HIGH) + +#define TPS650830_I2C_ADDR TPS650830_I2C_ADDR1 + +/* Exchange status with PD MCU. */ +static void pd_mcu_interrupt(enum gpio_signal signal) +{ +#ifdef HAS_TASK_PDCMD + /* Exchange status with PD MCU to determine interrupt cause */ + host_command_pd_send_status(0); +#endif +} + +void vbus0_evt(enum gpio_signal signal) +{ + /* VBUS present GPIO is inverted */ + usb_charger_vbus_change(0, !gpio_get_level(signal)); + task_wake(TASK_ID_PD_C0); +} + +void vbus1_evt(enum gpio_signal signal) +{ + /* VBUS present GPIO is inverted */ + usb_charger_vbus_change(1, !gpio_get_level(signal)); + task_wake(TASK_ID_PD_C1); +} + +void usb0_evt(enum gpio_signal signal) +{ + task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_BC12, 0); +} + +void usb1_evt(enum gpio_signal signal) +{ + task_set_event(TASK_ID_USB_CHG_P1, USB_CHG_EVENT_BC12, 0); +} + +#include "gpio_list.h" + +/* power signal list. Must match order of enum power_signal. */ +const struct power_signal_info power_signal_list[] = { + {GPIO_RSMRST_L_PGOOD, 1, "RSMRST_N_PWRGD"}, + {GPIO_PCH_SLP_S0_L, 1, "SLP_S0_DEASSERTED"}, + {GPIO_PCH_SLP_S3_L, 1, "SLP_S3_DEASSERTED"}, + {GPIO_PCH_SLP_S4_L, 1, "SLP_S4_DEASSERTED"}, + {GPIO_PCH_SLP_SUS_L, 1, "SLP_SUS_DEASSERTED"}, +}; +BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT); + +/* ADC channels */ +const struct adc_t adc_channels[] = { + /* Vbus sensing. Converted to mV, full ADC is equivalent to 30V. */ + [ADC_VBUS] = {"VBUS", 30000, 1024, 0, 1}, + /* Adapter current output or battery discharging current */ + [ADC_AMON_BMON] = {"AMON_BMON", 25000, 3072, 0, 3}, + /* + * System current consumption. Converted to mV, + * full ADC is equivalent to 100W + */ + [ADC_PSYS] = {"PSYS", 3000, 1024, 0, 4}, + +}; +BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); + +const struct i2c_port_t i2c_ports[] = { + {"pmic", MEC1322_I2C0_0, 400, GPIO_I2C0_0_SCL, GPIO_I2C0_0_SDA}, + {"muxes", MEC1322_I2C0_1, 400, GPIO_I2C0_1_SCL, GPIO_I2C0_1_SDA}, + {"pd_mcu", MEC1322_I2C1, 500, GPIO_I2C1_SCL, GPIO_I2C1_SDA}, + {"sensors", MEC1322_I2C2, 400, GPIO_I2C2_SCL, GPIO_I2C2_SDA }, + {"batt", MEC1322_I2C3, 100, GPIO_I2C3_SCL, GPIO_I2C3_SDA }, +}; +const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); + +const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_COUNT] = { + {I2C_PORT_TCPC, CONFIG_TCPC_I2C_BASE_ADDR}, + {I2C_PORT_TCPC, CONFIG_TCPC_I2C_BASE_ADDR + 2}, +}; + +/* Physical fans. These are logically separate from pwm_channels. */ +const struct fan_t fans[] = { + {.flags = FAN_USE_RPM_MODE, + .rpm_min = 1000, + .rpm_start = 1000, + .rpm_max = 5200, + .ch = 1, + .pgood_gpio = -1, + .enable_gpio = GPIO_FAN_PWR_DIS_L, + }, +}; +BUILD_ASSERT(ARRAY_SIZE(fans) == CONFIG_FANS); + +/* SPI devices */ +const struct spi_device_t spi_devices[] = { + { CONFIG_SPI_FLASH_PORT, 0, GPIO_PVT_CS0}, +}; +const unsigned int spi_devices_used = ARRAY_SIZE(spi_devices); + +const enum gpio_signal hibernate_wake_pins[] = { + GPIO_AC_PRESENT, + GPIO_LID_OPEN, + GPIO_POWER_BUTTON_L, +}; + +const int hibernate_wake_pins_used = ARRAY_SIZE(hibernate_wake_pins); + +struct pi3usb9281_config pi3usb9281_chips[] = { + { + .i2c_port = I2C_PORT_USB_CHARGER_1, + .mux_lock = NULL, + }, + { + .i2c_port = I2C_PORT_USB_CHARGER_2, + .mux_lock = NULL, + }, +}; +BUILD_ASSERT(ARRAY_SIZE(pi3usb9281_chips) == + CONFIG_USB_SWITCH_PI3USB9281_CHIP_COUNT); + +struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_COUNT] = { + { + .port_addr = 0xa8, + .driver = &pi3usb30532_usb_mux_driver, + }, + { + .port_addr = 0xaa, + .driver = &pi3usb30532_usb_mux_driver, + } +}; + +/** + * Reset PD MCU + */ +void board_reset_pd_mcu(void) +{ + gpio_set_level(GPIO_PD_RST_L, 0); + usleep(100); + gpio_set_level(GPIO_PD_RST_L, 1); +} + +#ifdef HAS_TASK_MOTIONSENSE +/* Four Motion sensors */ +/* kxcj9 mutex and local/private data*/ +static struct mutex g_kxcj9_mutex[2]; +struct kionix_accel_data g_kxcj9_data[2] = { + {.variant = KXCJ9}, + {.variant = KXCJ9}, +}; + +#ifdef CONFIG_GYRO_L3GD20H +/* Gyro sensor */ +/* l3gd20h mutex and local/private data*/ +static struct mutex g_l3gd20h_mutex; +struct l3gd20_data g_l3gd20h_data; +#endif + +/* Matrix to rotate accelrator into standard reference frame */ +const matrix_3x3_t base_standard_ref = { + { 0, FLOAT_TO_FP(-1), 0}, + {FLOAT_TO_FP(-1), 0, 0}, + { 0, 0, FLOAT_TO_FP(-1)} +}; + +const matrix_3x3_t lid_standard_ref = { + {FLOAT_TO_FP(-1), 0, 0}, + { 0, FLOAT_TO_FP(1), 0}, + { 0, 0, FLOAT_TO_FP(-1)} +}; + +struct motion_sensor_t motion_sensors[] = { + {.name = "Base Accel", + .active_mask = SENSOR_ACTIVE_S0, + .chip = MOTIONSENSE_CHIP_KXCJ9, + .type = MOTIONSENSE_TYPE_ACCEL, + .location = MOTIONSENSE_LOC_BASE, + .drv = &kionix_accel_drv, + .mutex = &g_kxcj9_mutex[0], + .drv_data = &g_kxcj9_data[0], + .addr = KXCJ9_ADDR1, + .rot_standard_ref = &base_standard_ref, + .default_range = 2, /* g, enough for laptop. */ + .config = { + /* AP: by default shutdown all sensors */ + [SENSOR_CONFIG_AP] = { + .odr = 0, + .ec_rate = 0, + }, + /* EC use accel for angle detection */ + [SENSOR_CONFIG_EC_S0] = { + .odr = 100000 | ROUND_UP_FLAG, + .ec_rate = 100 * MSEC, + }, + /* Sensor off in S3/S5 */ + [SENSOR_CONFIG_EC_S3] = { + .odr = 0, + .ec_rate = 0 + }, + /* Sensor off in S3/S5 */ + [SENSOR_CONFIG_EC_S5] = { + .odr = 0, + .ec_rate = 0 + }, + }, + }, + {.name = "Lid Accel", + .active_mask = SENSOR_ACTIVE_S0, + .chip = MOTIONSENSE_CHIP_KXCJ9, + .type = MOTIONSENSE_TYPE_ACCEL, + .location = MOTIONSENSE_LOC_LID, + .drv = &kionix_accel_drv, + .mutex = &g_kxcj9_mutex[1], + .drv_data = &g_kxcj9_data[1], + .addr = KXCJ9_ADDR0, + .rot_standard_ref = &lid_standard_ref, + .default_range = 2, /* g, enough for laptop. */ + .config = { + /* AP: by default shutdown all sensors */ + [SENSOR_CONFIG_AP] = { + .odr = 0, + .ec_rate = 0, + }, + /* EC use accel for angle detection */ + [SENSOR_CONFIG_EC_S0] = { + .odr = 100000 | ROUND_UP_FLAG, + .ec_rate = 100 * MSEC, + }, + /* Sensor off in S3/S5 */ + [SENSOR_CONFIG_EC_S3] = { + .odr = 0, + .ec_rate = 0 + }, + /* Sensor off in S3/S5 */ + [SENSOR_CONFIG_EC_S5] = { + .odr = 0, + .ec_rate = 0 + }, + }, + }, +#ifdef CONFIG_GYRO_L3GD20H + {.name = "Lid Gyro", + .active_mask = SENSOR_ACTIVE_S0, + .chip = MOTIONSENSE_CHIP_L3GD20H, + .type = MOTIONSENSE_TYPE_GYRO, + .location = MOTIONSENSE_LOC_LID, + .drv = &l3gd20h_drv, + .mutex = &g_l3gd20h_mutex, + .drv_data = &g_l3gd20h_data, + .addr = L3GD20_ADDR1, + .rot_standard_ref = NULL, + .default_range = 2000, /* DPS */ + .config = { + /* AP: by default shutdown all sensors */ + [SENSOR_CONFIG_AP] = { + .odr = 0, + .ec_rate = 0, + }, + [SENSOR_CONFIG_EC_S0] = { + .odr = 0 + .ec_rate = 0, + }, + /* unused */ + [SENSOR_CONFIG_EC_S3] = { + .odr = 0, + .ec_rate = 0, + }, + [SENSOR_CONFIG_EC_S5] = { + .odr = 0, + .ec_rate = 0, + }, + }, + }, +#endif +}; +const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors); +#endif + +/* + * 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[] = { + {"TMP432_Internal", TEMP_SENSOR_TYPE_BOARD, tmp432_get_val, + TMP432_IDX_LOCAL, 4}, + {"TMP432_Sensor_1", TEMP_SENSOR_TYPE_BOARD, tmp432_get_val, + TMP432_IDX_REMOTE1, 4}, + {"TMP432_Sensor_2", TEMP_SENSOR_TYPE_BOARD, tmp432_get_val, + TMP432_IDX_REMOTE2, 4}, + {"Battery", TEMP_SENSOR_TYPE_BATTERY, charge_temp_sensor_get_val, + 0, 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}, fan_off, fan_max */ + {{0, 0, 0}, 0, 0}, /* TMP432_Internal */ + {{0, 0, 0}, 0, 0}, /* TMP432_Sensor_1 */ + {{0, 0, 0}, 0, 0}, /* TMP432_Sensor_2 */ + {{0, 0, 0}, 0, 0}, /* Battery */ +}; +BUILD_ASSERT(ARRAY_SIZE(thermal_params) == TEMP_SENSOR_COUNT); + +/* ALS instances. Must be in same order as enum als_id. */ +struct als_t als[] = { + {"TI", opt3001_init, opt3001_read_lux, 5}, +}; +BUILD_ASSERT(ARRAY_SIZE(als) == ALS_COUNT); + +const struct button_config buttons[CONFIG_BUTTON_COUNT] = { + {"Volume Down", KEYBOARD_BUTTON_VOLUME_DOWN, GPIO_VOLUME_DOWN_L, + 30 * MSEC, 0}, + {"Volume Up", KEYBOARD_BUTTON_VOLUME_UP, GPIO_VOLUME_UP_L, + 30 * MSEC, 0}, +}; +BUILD_ASSERT(ARRAY_SIZE(buttons) == CONFIG_BUTTON_COUNT); + +/* Initialize PMIC */ +#define I2C_PMIC_READ(reg, data) \ + i2c_read8(I2C_PORT_PMIC, TPS650830_I2C_ADDR, (reg), (data)) + +#define I2C_PMIC_WRITE(reg, data) \ + i2c_write8(I2C_PORT_PMIC, TPS650830_I2C_ADDR, (reg), (data)) + +static void board_pmic_init(void) +{ + int ret; + int data; + + /* No need to re-init PMIC since settings are sticky across sysjump */ + if (system_jumped_to_this_image()) + return; + + /* Read vendor ID */ + ret = I2C_PMIC_READ(TPS650830_REG_VENDORID, &data); + if (ret || data != TPS650830_VENDOR_ID) + goto pmic_error; + + /* + * VCCIOCNT register setting + * [6] : CSDECAYEN + * otherbits: default + */ + ret = I2C_PMIC_WRITE(TPS650830_REG_VCCIOCNT, 0x4A); + if (ret) + goto pmic_error; + + /* + * VRMODECTRL: + * [4] : VCCIOLPM clear + * otherbits: default + */ + ret = I2C_PMIC_WRITE(TPS650830_REG_VRMODECTRL, 0x2F); + if (ret) + goto pmic_error; + + /* + * PGMASK1 : Exclude VCCIO from Power Good Tree + * [7] : MVCCIOPG clear + * otherbits: default + */ + ret = I2C_PMIC_WRITE(TPS650830_REG_PGMASK1, 0x80); + if (ret) + 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 + */ + ret = I2C_PMIC_WRITE(TPS650830_REG_PWFAULT_MASK1, 0x95); + if (ret) + 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 + */ + ret = I2C_PMIC_WRITE(TPS650830_REG_DISCHCNT4, 0x15); + if (ret) + 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 + */ + ret = I2C_PMIC_WRITE(TPS650830_REG_DISCHCNT3, 0x55); + if (ret) + 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 + */ + ret = I2C_PMIC_WRITE(TPS650830_REG_DISCHCNT2, 0x55); + if (ret) + goto pmic_error; + + /* + * Discharge control 1 register configuration + * [7:2] : 00b Reserved + * [1:0] : 01b VCCIO discharge resistance (V4), 100 Ohm + */ + ret = I2C_PMIC_WRITE(TPS650830_REG_DISCHCNT1, 0x01); + if (ret) + goto pmic_error; + + CPRINTS("PMIC initialization done"); + return; + +pmic_error: + CPRINTS("PMIC initialization failed"); +} +DECLARE_HOOK(HOOK_INIT, board_pmic_init, HOOK_PRIO_INIT_I2C + 1); + +/* Initialize board. */ +static void board_init(void) +{ + /* Enable PD MCU interrupt */ + gpio_enable_interrupt(GPIO_PD_MCU_INT); + /* Enable VBUS interrupt */ + gpio_enable_interrupt(GPIO_USB_C0_VBUS_WAKE_L); + gpio_enable_interrupt(GPIO_USB_C1_VBUS_WAKE_L); + + /* Enable pericom BC1.2 interrupts */ + gpio_enable_interrupt(GPIO_USB_C0_BC12_INT_L); + gpio_enable_interrupt(GPIO_USB_C1_BC12_INT_L); + + /* Provide AC status to the PCH */ + gpio_set_level(GPIO_PCH_ACOK, extpower_is_present()); +} +DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT); + +/** + * Buffer the AC present GPIO to the PCH. + */ +static void board_extpower(void) +{ + gpio_set_level(GPIO_PCH_ACOK, extpower_is_present()); +} +DECLARE_HOOK(HOOK_AC_CHANGE, board_extpower, HOOK_PRIO_DEFAULT); + +/** + * Set active charge port -- only one port can be active at a time. + * + * @param charge_port Charge port to enable. + * + * Returns EC_SUCCESS if charge port is accepted and made active, + * EC_ERROR_* otherwise. + */ +int board_set_active_charge_port(int charge_port) +{ + /* charge port is a realy physical port */ + int is_real_port = (charge_port >= 0 && + charge_port < CONFIG_USB_PD_PORT_COUNT); + /* check if we are source vbus on that port */ + int source = gpio_get_level(charge_port == 0 ? GPIO_USB_C0_5V_EN : + GPIO_USB_C1_5V_EN); + + if (is_real_port && source) { + CPRINTS("Skip enable p%d", charge_port); + return EC_ERROR_INVAL; + } + + CPRINTS("New chg p%d", charge_port); + + if (charge_port == CHARGE_PORT_NONE) { + /* Disable both ports */ + gpio_set_level(GPIO_USB_C0_CHARGE_EN_L, 1); + gpio_set_level(GPIO_USB_C1_CHARGE_EN_L, 1); + } else { + /* Make sure non-charging port is disabled */ + gpio_set_level(charge_port ? GPIO_USB_C0_CHARGE_EN_L : + GPIO_USB_C1_CHARGE_EN_L, 1); + /* Enable charging port */ + gpio_set_level(charge_port ? GPIO_USB_C1_CHARGE_EN_L : + GPIO_USB_C0_CHARGE_EN_L, 0); + } + + return EC_SUCCESS; +} + +/** + * Set the charge limit based upon desired maximum. + * + * @param charge_ma Desired charge limit (mA). + */ +void board_set_charge_limit(int charge_ma) +{ + charge_set_input_current_limit(MAX(charge_ma, + CONFIG_CHARGER_INPUT_CURRENT)); +} + +/* Enable touchpad on chipset startup so that it can wake the system */ +static void board_chipset_startup(void) +{ + gpio_set_level(GPIO_ENABLE_TOUCHPAD, 1); +} +DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_chipset_startup, + HOOK_PRIO_DEFAULT); + +/* Disable touchpad on chipset shutdown as it is no longer useful */ +static void board_chipset_shutdown(void) +{ + gpio_set_level(GPIO_ENABLE_TOUCHPAD, 0); +} +DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, board_chipset_shutdown, + HOOK_PRIO_DEFAULT); + +/* Make the pmic re-sequence the power rails under these conditions. */ +#define PMIC_RESET_FLAGS \ + (RESET_FLAG_WATCHDOG | RESET_FLAG_SOFT | RESET_FLAG_HARD) +static void board_handle_reboot(void) +{ + int flags; + + if (system_jumped_to_this_image()) + return; + + /* Interrogate current reset flags from previous reboot. */ + flags = system_get_reset_flags(); + + if (!(flags & PMIC_RESET_FLAGS)) + return; + + /* Preserve AP off request. */ + if (flags & RESET_FLAG_AP_OFF) + chip_save_reset_flags(RESET_FLAG_AP_OFF); + + ccprintf("Restarting system with PMIC.\n"); + /* Flush console */ + cflush(); + + /* Bring down all rails but RTC rail (including EC power). */ + gpio_set_level(GPIO_LDO_EN, 1); +} +DECLARE_HOOK(HOOK_INIT, board_handle_reboot, HOOK_PRIO_FIRST); |