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Diffstat (limited to 'board/elm/board.c')
| -rw-r--r-- | board/elm/board.c | 532 |
1 files changed, 0 insertions, 532 deletions
diff --git a/board/elm/board.c b/board/elm/board.c deleted file mode 100644 index d62ff8afae..0000000000 --- a/board/elm/board.c +++ /dev/null @@ -1,532 +0,0 @@ -/* 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. - */ - -/* Oak board configuration */ - -#include "adc.h" -#include "atomic.h" -#include "battery.h" -#include "charge_manager.h" -#include "charge_state.h" -#include "charger.h" -#include "chipset.h" -#include "common.h" -#include "console.h" -#include "driver/accel_kionix.h" -#include "driver/accel_kx022.h" -#include "driver/charger/isl923x.h" -#include "driver/tcpm/anx7688.h" -#include "driver/tcpm/tcpci.h" -#include "driver/temp_sensor/tmp432.h" -#include "extpower.h" -#include "gpio.h" -#include "hooks.h" -#include "host_command.h" -#include "i2c.h" -#include "keyboard_raw.h" -#include "keyboard_scan.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 "registers.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 "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) - -/* Dispaly port hardware can connect to port 0, 1 or neither. */ -#define PD_PORT_NONE -1 - -void pd_mcu_interrupt(enum gpio_signal signal) -{ - schedule_deferred_pd_interrupt(0 /* port */); -} - -void deferred_reset_pd_mcu(void); -DECLARE_DEFERRED(deferred_reset_pd_mcu); - -void usb_evt(enum gpio_signal signal) -{ - if (!gpio_get_level(GPIO_BC12_WAKE_L)) - task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_BC12); -} - -#include "gpio_list.h" - -/* power signal list. Must match order of enum power_signal. */ -const struct power_signal_info power_signal_list[] = { - {GPIO_SOC_POWER_GOOD, POWER_SIGNAL_ACTIVE_HIGH, "POWER_GOOD"}, - {GPIO_SUSPEND_L, POWER_SIGNAL_ACTIVE_LOW, "SUSPEND#_ASSERTED"}, -}; -BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT); - -/* ADC channels */ -const struct adc_t adc_channels[] = { - /* - * PSYS_MONITOR(PA2): ADC_IN2, 1.44 uA/W on 6.05k Ohm - * output in mW - */ - [ADC_PSYS] = {"PSYS", 379415, 4096, 0, STM32_AIN(2)}, - /* AMON_BMON(PC0): ADC_IN10, output in uV */ - [ADC_AMON_BMON] = {"AMON_BMON", 183333, 4096, 0, STM32_AIN(10)}, - /* VDC_BOOSTIN_SENSE(PC1): ADC_IN11, output in mV */ - [ADC_VBUS] = {"VBUS", 33000, 4096, 0, STM32_AIN(11)}, -}; -BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); - -int anx7688_passthru_allowed(const struct i2c_port_t *port, - const uint16_t addr_flags) -{ - uint16_t addr = I2C_STRIP_FLAGS(addr_flags); - - /* Allow access to 0x2c (TCPC) */ - if (addr == 0x2c) - return 1; - - CPRINTF("Passthru rejected on %x", addr); - - return 0; -} - -/* I2C ports */ -const struct i2c_port_t i2c_ports[] = { - {"battery", I2C_PORT_BATTERY, 100, GPIO_I2C0_SCL, GPIO_I2C0_SDA}, - {"pd", I2C_PORT_PD_MCU, 1000, GPIO_I2C1_SCL, GPIO_I2C1_SDA, - anx7688_passthru_allowed} -}; - -const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); - -/* SPI devices */ -const struct spi_device_t spi_devices[] = { - { CONFIG_SPI_ACCEL_PORT, 2, GPIO_SPI2_NSS }, - { CONFIG_SPI_ACCEL_PORT, 2, GPIO_SPI2_NSS_DB } -}; -const unsigned int spi_devices_used = ARRAY_SIZE(spi_devices); - -/* TCPC */ -const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_MAX_COUNT] = { - { - .bus_type = EC_BUS_TYPE_I2C, - .i2c_info = { - .port = I2C_PORT_TCPC, - .addr_flags = CONFIG_TCPC_I2C_BASE_ADDR_FLAGS, - }, - .drv = &anx7688_tcpm_drv, - }, -}; - -struct pi3usb9281_config pi3usb9281_chips[] = { - { - .i2c_port = I2C_PORT_PERICOM, - .mux_lock = NULL, - }, -}; -BUILD_ASSERT(ARRAY_SIZE(pi3usb9281_chips) == - CONFIG_BC12_DETECT_PI3USB9281_CHIP_COUNT); - -/* - * 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[] = { -#ifdef CONFIG_TEMP_SENSOR_TMP432 - {"TMP432_Internal", TEMP_SENSOR_TYPE_BOARD, tmp432_get_val, - TMP432_IDX_LOCAL}, - {"TMP432_Sensor_1", TEMP_SENSOR_TYPE_BOARD, tmp432_get_val, - TMP432_IDX_REMOTE1}, - {"TMP432_Sensor_2", TEMP_SENSOR_TYPE_BOARD, tmp432_get_val, - TMP432_IDX_REMOTE2}, -#endif - {"Battery", TEMP_SENSOR_TYPE_BATTERY, charge_get_battery_temp, - 0}, -}; -BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT); - -const struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = { - { - .usb_port = 0, - .driver = &anx7688_usb_mux_driver, - }, -}; - -const struct charger_config_t chg_chips[] = { - { - .i2c_port = I2C_PORT_CHARGER, - .i2c_addr_flags = ISL923X_ADDR_FLAGS, - .drv = &isl923x_drv, - }, -}; - -/** - * Reset PD MCU - * ANX7688 needs a reset pulse of 50ms after power enable. - */ -void deferred_reset_pd_mcu(void) -{ - uint8_t state = gpio_get_level(GPIO_USB_C0_PWR_EN_L) | - (gpio_get_level(GPIO_USB_C0_RST) << 1); - - CPRINTS("%s %d", __func__, state); - switch (state) { - case 0: - /* - * PWR_EN_L low, RST low - * start reset sequence by turning off power enable - * and wait for 1ms. - */ - gpio_set_level(GPIO_USB_C0_PWR_EN_L, 1); - hook_call_deferred(&deferred_reset_pd_mcu_data, 1*MSEC); - break; - case 1: - /* - * PWR_EN_L high, RST low - * pull PD reset pin and wait for another 1ms - */ - gpio_set_level(GPIO_USB_C0_RST, 1); - hook_call_deferred(&deferred_reset_pd_mcu_data, 1*MSEC); - /* on PD reset, trigger PD task to reset state */ - task_set_event(TASK_ID_PD_C0, PD_EVENT_TCPC_RESET); - break; - case 3: - /* - * PWR_EN_L high, RST high - * enable power and wait for 10ms then pull RESET_N - */ - gpio_set_level(GPIO_USB_C0_PWR_EN_L, 0); - hook_call_deferred(&deferred_reset_pd_mcu_data, 10*MSEC); - break; - case 2: - /* - * PWR_EN_L low, RST high - * leave reset state - */ - gpio_set_level(GPIO_USB_C0_RST, 0); - break; - } -} - -static void board_power_on_pd_mcu(void) -{ - /* check if power is already on */ - if (!gpio_get_level(GPIO_USB_C0_PWR_EN_L)) - return; - - gpio_set_level(GPIO_USB_C0_EXTPWR_EN, 1); - hook_call_deferred(&deferred_reset_pd_mcu_data, 1*MSEC); -} - -void board_reset_pd_mcu(void) -{ - /* enable port controller's cable detection before reset */ - anx7688_enable_cable_detection(0); - - /* wait for 10ms, then start port controller's reset sequence */ - hook_call_deferred(&deferred_reset_pd_mcu_data, 10*MSEC); -} - -int command_pd_reset(int argc, char **argv) -{ - board_reset_pd_mcu(); - return EC_SUCCESS; -} -DECLARE_CONSOLE_COMMAND(resetpd, command_pd_reset, - "", - "Reset PD IC"); - -/** - * There is a level shift for AC_OK & LID_OPEN signal between AP & EC, - * disable it (drive high) when AP is off, otherwise enable it (drive low). - */ -static void board_extpower_buffer_to_soc(void) -{ - /* Drive high when AP is off (G3), else drive low */ - gpio_set_level(GPIO_LEVEL_SHIFT_EN_L, - chipset_in_state(CHIPSET_STATE_HARD_OFF) ? 1 : 0); -} - -/* Initialize board. */ -static void board_init(void) -{ - /* Enable Level shift of AC_OK & LID_OPEN signals */ - board_extpower_buffer_to_soc(); - /* Enable rev1 testing GPIOs */ - gpio_set_level(GPIO_SYSTEM_POWER_H, 1); - /* Enable PD MCU interrupt */ - gpio_enable_interrupt(GPIO_PD_MCU_INT); - - /* Enable BC 1.2 */ - gpio_enable_interrupt(GPIO_BC12_CABLE_INT); - - /* Check if typeC is already connected, and do 7688 power on flow */ - board_power_on_pd_mcu(); - - /* Update VBUS supplier */ - usb_charger_vbus_change(0, !gpio_get_level(GPIO_USB_C0_VBUS_WAKE_L)); - - /* Remap SPI2 to DMA channels 6 and 7 (0011) */ - STM32_DMA_CSELR(STM32_DMAC_CH6) |= (3 << 20) | (3 << 24); -} -DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT); - -/** - * Set active charge port -- only one port can active at a time. - * - * @param charge_port Charge port to enable. - * - * Return 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 physical port */ - int is_real_port = (charge_port >= 0 && - charge_port < CONFIG_USB_PD_PORT_MAX_COUNT); - /* check if we are source VBUS on the port */ - int source = gpio_get_level(GPIO_USB_C0_5V_EN); - - if (is_real_port && source) { - CPRINTF("Skip enable p%d", charge_port); - return EC_ERROR_INVAL; - } - - CPRINTF("New chg p%d", charge_port); - - if (charge_port == CHARGE_PORT_NONE) { - /* Disable charging port */ - gpio_set_level(GPIO_USB_C0_CHARGE_L, 1); - } else { - /* Enable charging port */ - gpio_set_level(GPIO_USB_C0_CHARGE_L, 0); - } - - return EC_SUCCESS; -} - -/** - * Set the charge limit based upon desired maximum. - * - * @param port Port number. - * @param supplier Charge supplier type. - * @param charge_ma Desired charge limit (mA). - * @param charge_mv Negotiated charge voltage (mV). - */ -void board_set_charge_limit(int port, int supplier, int charge_ma, - int max_ma, int charge_mv) -{ - /* Limit input current 95% ratio on elm board for safety */ - charge_ma = (charge_ma * 95) / 100; - charge_set_input_current_limit(MAX(charge_ma, - CONFIG_CHARGER_INPUT_CURRENT), charge_mv); - pd_send_host_event(PD_EVENT_POWER_CHANGE); -} - -/** - * Set AP reset. - * AP_RESET_L (PC3, CPU_WARM_RESET_L) is connected to PMIC SYSRSTB - */ -void board_set_ap_reset(int asserted) -{ - /* Signal is active-low */ - CPRINTS("ap warm reset(%d)", asserted); - gpio_set_level(GPIO_AP_RESET_L, !asserted); -} - -#ifdef CONFIG_TEMP_SENSOR_TMP432 -static void tmp432_set_power_deferred(void) -{ - /* Shut tmp432 down if not in S0 && no external power */ - if (!extpower_is_present() && !chipset_in_state(CHIPSET_STATE_ON)) { - if (EC_SUCCESS != tmp432_set_power(TMP432_POWER_OFF)) - CPRINTS("ERROR: Can't shutdown TMP432."); - return; - } - - /* else, turn it on. */ - if (EC_SUCCESS != tmp432_set_power(TMP432_POWER_ON)) - CPRINTS("ERROR: Can't turn on TMP432."); -} -DECLARE_DEFERRED(tmp432_set_power_deferred); -#endif - -/** - * Hook of AC change. turn on/off tmp432 depends on AP & AC status. - */ -static void board_extpower(void) -{ - board_extpower_buffer_to_soc(); -#ifdef CONFIG_TEMP_SENSOR_TMP432 - hook_call_deferred(&tmp432_set_power_deferred_data, 0); -#endif -} -DECLARE_HOOK(HOOK_AC_CHANGE, board_extpower, HOOK_PRIO_DEFAULT); - -/* Called on AP S5 -> S3 transition, and before HOOK_CHIPSET_STARTUP */ -static void board_chipset_pre_init(void) -{ - /* Enable level shift of AC_OK when power on */ - board_extpower_buffer_to_soc(); - - /* Enable SPI for KX022 */ - gpio_config_module(MODULE_SPI_CONTROLLER, 1); - - /* Set all four SPI pins to high speed */ - /* pins D0/D1/D3/D4 */ - STM32_GPIO_OSPEEDR(GPIO_D) |= 0x000003cf; - /* pins F6 */ - STM32_GPIO_OSPEEDR(GPIO_F) |= 0x00003000; - - /* Enable clocks to SPI2 module */ - STM32_RCC_APB1ENR |= STM32_RCC_PB1_SPI2; - - /* Reset SPI2 */ - STM32_RCC_APB1RSTR |= STM32_RCC_PB1_SPI2; - STM32_RCC_APB1RSTR &= ~STM32_RCC_PB1_SPI2; - - spi_enable(&spi_devices[0], 1); -} -DECLARE_HOOK(HOOK_CHIPSET_PRE_INIT, board_chipset_pre_init, HOOK_PRIO_DEFAULT); - -/* Called on AP S3 -> S5 transition */ -static void board_chipset_shutdown(void) -{ - /* Disable level shift to SoC when shutting down */ - gpio_set_level(GPIO_LEVEL_SHIFT_EN_L, 1); - - spi_enable(&spi_devices[0], 0); - - /* Disable clocks to SPI2 module */ - STM32_RCC_APB1ENR &= ~STM32_RCC_PB1_SPI2; - - gpio_config_module(MODULE_SPI_CONTROLLER, 0); - - /* - * Calling gpio_config_module sets disabled alternate function pins to - * GPIO_INPUT. But to prevent leakage we want to set GPIO_OUT_LOW - */ - gpio_set_flags_by_mask(GPIO_D, 0x1a, GPIO_OUT_LOW); - gpio_set_level(GPIO_SPI2_NSS, 0); - gpio_set_level(GPIO_SPI2_NSS_DB, 0); -} -DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, board_chipset_shutdown, HOOK_PRIO_DEFAULT); - -/* Called on AP S3 -> S0 transition */ -static void board_chipset_resume(void) -{ -#ifdef CONFIG_TEMP_SENSOR_TMP432 - hook_call_deferred(&tmp432_set_power_deferred_data, 0); -#endif -} -DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_chipset_resume, HOOK_PRIO_DEFAULT); - -/* Called on AP S0 -> S3 transition */ -static void board_chipset_suspend(void) -{ -#ifdef CONFIG_TEMP_SENSOR_TMP432 - hook_call_deferred(&tmp432_set_power_deferred_data, 0); -#endif -} -DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT); - -/* Motion sensors */ -/* Mutexes */ -static struct mutex g_kx022_mutex[2]; - -/* Matrix to rotate accelerometer into standard reference frame */ -const mat33_fp_t base_standard_ref = { - { FLOAT_TO_FP(-1), 0, 0}, - { 0, FLOAT_TO_FP(1), 0}, - { 0, 0, FLOAT_TO_FP(-1)} -}; - -const mat33_fp_t lid_standard_ref = { - { FLOAT_TO_FP(1), 0, 0}, - { 0, FLOAT_TO_FP(-1), 0}, - { 0, 0, FLOAT_TO_FP(-1)} -}; - -/* KX022 private data */ -struct kionix_accel_data g_kx022_data[2]; - -struct motion_sensor_t motion_sensors[] = { - [BASE_ACCEL] = { - .name = "Base Accel", - .active_mask = SENSOR_ACTIVE_S0, - .chip = MOTIONSENSE_CHIP_KX022, - .type = MOTIONSENSE_TYPE_ACCEL, - .location = MOTIONSENSE_LOC_BASE, - .drv = &kionix_accel_drv, - .mutex = &g_kx022_mutex[0], - .drv_data = &g_kx022_data[0], - .i2c_spi_addr_flags = ACCEL_MK_SPI_ADDR_FLAGS(0), - .rot_standard_ref = &base_standard_ref, - .default_range = 2, /* g, enough for lid angle calculation. */ - .min_frequency = KX022_ACCEL_MIN_FREQ, - .max_frequency = KX022_ACCEL_MAX_FREQ, - .config = { - /* EC use accel for angle detection */ - [SENSOR_CONFIG_EC_S0] = { - .odr = 10000 | ROUND_UP_FLAG, - .ec_rate = 100 * MSEC, - }, - }, - }, - - [LID_ACCEL] = { - .name = "Lid Accel", - .active_mask = SENSOR_ACTIVE_S0, - .chip = MOTIONSENSE_CHIP_KX022, - .type = MOTIONSENSE_TYPE_ACCEL, - .location = MOTIONSENSE_LOC_LID, - .drv = &kionix_accel_drv, - .mutex = &g_kx022_mutex[1], - .drv_data = &g_kx022_data[1], - .i2c_spi_addr_flags = ACCEL_MK_SPI_ADDR_FLAGS(1), - .rot_standard_ref = &lid_standard_ref, - .default_range = 4, /* g, to meet CDD 7.3.1/C-1-4 reqs */ - .min_frequency = KX022_ACCEL_MIN_FREQ, - .max_frequency = KX022_ACCEL_MAX_FREQ, - .config = { - /* EC use accel for angle detection */ - [SENSOR_CONFIG_EC_S0] = { - .odr = 10000 | ROUND_UP_FLAG, - .ec_rate = 100 * MSEC, - }, - }, - }, -}; - -const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors); - -__override void lid_angle_peripheral_enable(int enable) -{ - keyboard_scan_enable(enable, KB_SCAN_DISABLE_LID_ANGLE); - - /* enable/disable touchpad */ - gpio_set_level(GPIO_EN_TP_INT_L, !enable); -} - -uint16_t tcpc_get_alert_status(void) -{ - return gpio_get_level(GPIO_PD_MCU_INT) ? PD_STATUS_TCPC_ALERT_0 : 0; -} - |