diff options
Diffstat (limited to 'board/chell/board.c')
| -rw-r--r-- | board/chell/board.c | 465 |
1 files changed, 0 insertions, 465 deletions
diff --git a/board/chell/board.c b/board/chell/board.c deleted file mode 100644 index 7b56ca621a..0000000000 --- a/board/chell/board.c +++ /dev/null @@ -1,465 +0,0 @@ -/* Copyright 2015 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. - */ - -/* Chell board-specific configuration */ - -#include "adc_chip.h" -#include "bd99992gw.h" -#include "charge_manager.h" -#include "charge_state.h" -#include "charger.h" -#include "chipset.h" -#include "console.h" -#include "extpower.h" -#include "gpio.h" -#include "hooks.h" -#include "host_command.h" -#include "i2c.h" -#include "keyboard_scan.h" -#include "lid_switch.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 "tcpci.h" -#include "temp_sensor.h" -#include "timer.h" -#include "uart.h" -#include "usb_charge.h" -#include "usb_mux.h" -#include "usb_mux/ps874x.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 I2C_ADDR_BD99992_FLAGS 0x30 - -/* 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" - -/* 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 */ - [ADC_PSYS] = {"PSYS", 1, 1, 0, 4}, - -}; -BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); - -/* PWM channels. Must be in the exactly same order as in enum pwm_channel. */ -const struct pwm_t pwm_channels[] = { - /* Use alternate 100kHz clock source, keep active in low-power idle */ - {2, PWM_CONFIG_ALT_CLOCK | PWM_CONFIG_DSLEEP}, -}; -BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_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}, - {"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_MAX_COUNT] = { - { - .bus_type = EC_BUS_TYPE_I2C, - .i2c_info = { - .port = I2C_PORT_TCPC, - .addr_flags = CONFIG_TCPC_I2C_BASE_ADDR_FLAGS, - }, - .drv = &tcpci_tcpm_drv, - }, - { - .bus_type = EC_BUS_TYPE_I2C, - .i2c_info = { - .port = I2C_PORT_TCPC, - .addr_flags = CONFIG_TCPC_I2C_BASE_ADDR_FLAGS + 1, - }, - .drv = &tcpci_tcpm_drv, - - }, -}; - -/* 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); - -#ifdef CONFIG_KEYBOARD_FACTORY_TEST -/* - * We have total 28 pins for keyboard connecter, {-1, -1} mean - * the N/A pin that don't consider it and reserve index 0 area - * that we don't have pin 0. - */ -const int keyboard_factory_scan_pins[][2] = { - {-1, -1}, {-1, -1}, {-1, -1}, {-1, -1}, {-1, -1}, - {12, 6}, {4, 3}, {4, 2}, {0, 2}, {14, 2}, - {4, 0}, {0, 0}, {-1, -1}, {3, 2}, {10, 3}, - {10, 0}, {12, 5}, {-1, -1}, {10, 2}, {-1, -1}, - {0, 1}, {10, 4}, {-1, -1}, {-1, -1}, {0, 4}, - {10, 7}, {10, 6}, {0, 3}, {0, 5}, -}; - -const int keyboard_factory_scan_pins_used = - ARRAY_SIZE(keyboard_factory_scan_pins); -#endif - -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_BC12_DETECT_PI3USB9281_CHIP_COUNT); - -static int ps874x_tune_mux(int port) -{ - /* Apply same USB EQ settings to both Type-C mux */ - ps874x_tune_usb_eq(port, - PS874X_USB_EQ_TX_6_5_DB, - PS874X_USB_EQ_RX_14_3_DB); - - return EC_SUCCESS; -} - -struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = { - { - .port_addr = 0x1A, - .driver = &ps874x_usb_mux_driver, - .board_init = &ps874x_tune_mux, - }, - { - .port_addr = 0x10, - .driver = &ps874x_usb_mux_driver, - .board_init = &ps874x_tune_mux, - } -}; - -/** - * 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); -} - -const struct temp_sensor_t temp_sensors[] = { - {"Battery", TEMP_SENSOR_TYPE_BATTERY, charge_get_battery_temp, 0, 4}, - - /* These BD99992GW temp sensors are only readable in S0 */ - {"Ambient", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, - BD99992GW_ADC_CHANNEL_SYSTHERM0, 4}, - {"Charger", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, - BD99992GW_ADC_CHANNEL_SYSTHERM1, 4}, - {"DRAM", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, - BD99992GW_ADC_CHANNEL_SYSTHERM2, 4}, - {"Wifi", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, - BD99992GW_ADC_CHANNEL_SYSTHERM3, 4}, -}; -BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT); - -static void board_pmic_init(void) -{ - /* DISCHGCNT3 - enable 100 ohm discharge on V1.00A */ - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x3e, 0x04); - - /* - * No need to re-init below settings since they are present on all MP - * ROs and PMIC settings are sticky across sysjump - */ - if (system_jumped_to_this_image()) - return; - - /* Set CSDECAYEN / VCCIO decays to 0V at assertion of SLP_S0# */ - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x30, 0x4a); - - /* - * Set V100ACNT / V1.00A Control Register: - * Nominal output = 1.0V. - */ - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x37, 0x1a); - - /* - * Set V085ACNT / V0.85A Control Register: - * Lower power mode = 0.7V. - * Nominal output = 1.0V. - */ - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x38, 0x7a); - - /* VRMODECTRL - enable low-power mode for VCCIO and V0.85A */ - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x3b, 0x18); -} -DECLARE_HOOK(HOOK_INIT, board_pmic_init, HOOK_PRIO_DEFAULT); - -/* 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()); - - /* Proto board workarounds */ - if (system_get_board_version() == 0) { - /* Disable interrupt for SLP_S0 */ - gpio_set_flags(GPIO_PCH_SLP_S0_L, - GPIO_INPUT | GPIO_PULL_DOWN); - - /* Add internal pullup on PLATFORM_EC_PROCHOT */ - gpio_set_flags(GPIO_PLATFORM_EC_PROCHOT, - GPIO_INPUT | GPIO_PULL_UP); - } -} -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_MAX_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 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) -{ - charge_set_input_current_limit(MAX(charge_ma, - CONFIG_CHARGER_INPUT_CURRENT), charge_mv); -} - -/* Called on AP S5 -> S3 transition */ -static void board_chipset_startup(void) -{ - gpio_set_level(GPIO_USB1_ENABLE, 1); - gpio_set_level(GPIO_ENABLE_TOUCHPAD, 1); -} -DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_chipset_startup, HOOK_PRIO_DEFAULT); - -/* Called on AP S3 -> S5 transition */ -static void board_chipset_shutdown(void) -{ - gpio_set_level(GPIO_USB1_ENABLE, 0); - gpio_set_level(GPIO_ENABLE_TOUCHPAD, 0); -} -DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, board_chipset_shutdown, HOOK_PRIO_DEFAULT); - -/* Called on AP S3 -> S0 transition */ -static void board_chipset_resume(void) -{ - gpio_set_level(GPIO_ENABLE_BACKLIGHT, 1); - gpio_set_level(GPIO_PP1800_DX_AUDIO_EN, 1); - gpio_set_level(GPIO_PP1800_DX_DMIC_EN, 1); -} -DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_chipset_resume, HOOK_PRIO_DEFAULT); - -/* Called on AP S0 -> S3 transition */ -static void board_chipset_suspend(void) -{ - gpio_set_level(GPIO_ENABLE_BACKLIGHT, 0); - gpio_set_level(GPIO_PP1800_DX_AUDIO_EN, 0); - gpio_set_level(GPIO_PP1800_DX_DMIC_EN, 0); -} -DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT); - -void board_hibernate(void) -{ - CPRINTS("Triggering PMIC shutdown."); - uart_flush_output(); - - /* Trigger PMIC shutdown. */ - if (i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, 0x49, 0x01)) { - /* - * If we can't tell the PMIC to shutdown, instead reset - * and don't start the AP. Hopefully we'll be able to - * communicate with the PMIC next time. - */ - CPRINTS("PMIC i2c failed."); - system_reset(SYSTEM_RESET_LEAVE_AP_OFF); - } - - /* Await shutdown. */ - while (1) - ; -} - -/* Make the pmic re-sequence the power rails under these conditions. */ -#define PMIC_RESET_FLAGS \ - (EC_RESET_FLAG_WATCHDOG | EC_RESET_FLAG_SOFT | EC_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 & EC_RESET_FLAG_AP_OFF) - chip_save_reset_flags(EC_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_PMIC_LDO_EN, 1); - while (1) - ; /* wait here */ -} -DECLARE_HOOK(HOOK_INIT, board_handle_reboot, HOOK_PRIO_FIRST); - -/* - * Various voltage rails will be enabled / disabled by the PMIC when - * GPIO_PMIC_SLP_SUS_L changes. We need to delay the disable of V0.85A - * by approximately 25ms in order to allow V1.00A to sufficiently discharge - * first. - * - * Therefore, after GPIO_PMIC_SLP_SUS_L goes high, ignore the state of - * the V12_EN pin: Keep V0.85A enabled. - * - * When GPIO_PMIC_SLP_SUS_L goes low, delay 25ms, and make V12_EN function - * as normal - this should result in V0.85A discharging immediately after the - * i2c write completes. - */ -void chipset_set_pmic_slp_sus_l(int level) -{ - static int previous_level; - int val; - - gpio_set_level(GPIO_PMIC_SLP_SUS_L, level); - - if (previous_level != level) { - /* Rising edge: Force V0.85A enable. Falling: Pin control. */ - val = level ? 0x80 : 0; - if (!level) - msleep(25); - - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992_FLAGS, - 0x43, val); - previous_level = level; - } -} |