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Diffstat (limited to 'board/mchpevb1/board.c')
| -rw-r--r-- | board/mchpevb1/board.c | 984 |
1 files changed, 0 insertions, 984 deletions
diff --git a/board/mchpevb1/board.c b/board/mchpevb1/board.c deleted file mode 100644 index 73cec110bb..0000000000 --- a/board/mchpevb1/board.c +++ /dev/null @@ -1,984 +0,0 @@ -/* Copyright 2017 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. - */ - -/* - * Microchip Evaluation Board(EVB) with - * MEC1701H 144-pin processor card. - * EVB connected to Intel SKL RVP3 configured - * for eSPI with Kabylake silicon. - */ - -#include "adc.h" -#include "als.h" -#include "bd99992gw.h" -#include "button.h" -#include "charge_manager.h" -#include "charge_state.h" -#include "charger.h" -#include "chipset.h" -#include "console.h" -#include "driver/als_opt3001.h" -#include "driver/accel_kionix.h" -#include "driver/accel_kx022.h" -#include "driver/accelgyro_bmi_common.h" -#include "driver/tcpm/tcpci.h" -#include "extpower.h" -#include "gpio_chip.h" -#include "gpio.h" -#include "hooks.h" -#include "host_command.h" -#include "i2c.h" -#include "espi.h" -#include "lpc_chip.h" -#include "keyboard_scan.h" -#include "lid_switch.h" -#include "math_util.h" -#include "motion_sense.h" -#include "motion_lid.h" -#include "pi3usb9281.h" -#include "power.h" -#include "power_button.h" -#include "spi.h" -#include "spi_chip.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" -#include "espi.h" -#include "battery_smart.h" - -/* Console output macros */ -#define CPUTS(outstr) cputs(CC_LPC, outstr) -#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args) -#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args) - - -/* NOTE: MEC17xx EVB + SKL RVP3 does not use BD99992 PMIC. - * RVP3 PMIC controlled by RVP3 logic. - */ -#define I2C_ADDR_BD99992_FLAGS 0x30 - -/* - * Maxim DS1624 I2C temperature sensor used for testing I2C. - * DS1624 contains one internal temperature sensor - * and EEPROM. It has no external temperature inputs. - */ -#define DS1624_I2C_ADDR_FLAGS (0x48 | I2C_FLAG_BIG_ENDIAN) -#define DS1624_IDX_LOCAL 0 -#define DS1624_READ_TEMP16 0xAA /* read 16-bit temperature */ -#define DS1624_ACCESS_CFG 0xAC /* read/write 8-bit config */ -#define DS1624_CMD_START 0xEE -#define DS1624_CMD_STOP 0x22 - -/* - * static global and routine to return smart battery - * temperature when we do not build with charger task. - */ -static int smart_batt_temp; -static int ds1624_temp; -static int sb_temp(int idx, int *temp_ptr); -static int ds1624_get_val(int idx, int *temp_ptr); -static void board_spi_enable(void); -static void board_spi_disable(void); - -#ifdef CONFIG_BOARD_PRE_INIT -/* - * Used to enable JTAG debug during development. - * NOTE: If ARM Serial Wire Viewer not used then SWV pin can be - * be disabled and used for another purpose. Change mode to - * MCHP_JTAG_MODE_SWD. - * For low power idle testing enable GPIO060 as function 2(48MHZ_OUT) - * to check PLL is turning off in heavy sleep. Note, do not put GPIO060 - * in gpio.inc - * GPIO060 is port 1 bit[16]. - */ -void board_config_pre_init(void) -{ - smart_batt_temp = 0; - ds1624_temp = 0; - -#ifdef CONFIG_CHIPSET_DEBUG - MCHP_EC_JTAG_EN = MCHP_JTAG_ENABLE + MCHP_JTAG_MODE_SWD_SWV; -#endif - -#if defined(CONFIG_LOW_POWER_IDLE) && defined(CONFIG_MCHP_48MHZ_OUT) - gpio_set_alternate_function(1, 0x10000, 2); -#endif -} -#endif /* #ifdef CONFIG_BOARD_PRE_INIT */ - - -/* - * Use EC to handle ALL_SYS_PWRGD signal. - * MEC17xx connected to SKL/KBL RVP3 reference board - * is required to monitor ALL_SYS_PWRGD and drive SYS_RESET_L - * after a 10 to 100 ms delay. - */ -#ifdef CONFIG_BOARD_EC_HANDLES_ALL_SYS_PWRGD - -static void board_all_sys_pwrgd(void) -{ - int allsys_in = gpio_get_level(GPIO_ALL_SYS_PWRGD); - int allsys_out = gpio_get_level(GPIO_SYS_RESET_L); - - if (allsys_in == allsys_out) - return; - - CPRINTS("ALL_SYS_PWRGD=%d SYS_RESET_L=%d", allsys_in, allsys_out); - - trace2(0, BRD, 0, "ALL_SYS_PWRGD=%d SYS_RESET_L=%d", - allsys_in, allsys_out); - - /* - * Wait at least 10 ms between power signals going high - */ - if (allsys_in) - msleep(100); - - if (!allsys_out) { - /* CPRINTS("Set SYS_RESET_L = %d", allsys_in); */ - trace1(0, BRD, 0, "Set SYS_RESET_L=%d", allsys_in); - gpio_set_level(GPIO_SYS_RESET_L, allsys_in); - /* Force fan on for kabylake RVP */ - gpio_set_level(GPIO_EC_FAN1_PWM, 1); - } -} -DECLARE_DEFERRED(board_all_sys_pwrgd); - -void all_sys_pwrgd_interrupt(enum gpio_signal signal) -{ - trace0(0, ISR, 0, "ALL_SYS_PWRGD Edge"); - hook_call_deferred(&board_all_sys_pwrgd_data, 0); -} -#endif /* #ifdef CONFIG_BOARD_HAS_ALL_SYS_PWRGD */ - - -#ifdef HAS_TASK_PDCMD -/* Exchange status with PD MCU. */ -static void pd_mcu_interrupt(enum gpio_signal signal) -{ - /* Exchange status with PD MCU to determine interrupt cause */ - host_command_pd_send_status(0); - -} -#endif - -#ifdef CONFIG_USB_POWER_DELIVERY -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); -} - -void usb1_evt(enum gpio_signal signal) -{ - task_set_event(TASK_ID_USB_CHG_P1, USB_CHG_EVENT_BC12); -} -#endif - -/* - * enable_input_devices() is called by the tablet_mode ISR, but changes the - * state of GPIOs, so its definition must reside after including gpio_list. - */ -static void enable_input_devices(void); -DECLARE_DEFERRED(enable_input_devices); - -void tablet_mode_interrupt(enum gpio_signal signal) -{ - hook_call_deferred(&enable_input_devices_data, 0); -} - -#include "gpio_list.h" - -/* ADC channels - * name, factor multiplier, factor divider, shift, channel - */ -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}, - [ADC_CASE] = {"CASE", 1, 1, 0, 7}, -}; -BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); - -/* - * MCHP EVB connected to KBL RVP3 - */ -const struct i2c_port_t i2c_ports[] = { - {"sensors", MCHP_I2C_PORT4, 100, GPIO_SMB04_SCL, GPIO_SMB04_SDA}, - {"batt", MCHP_I2C_PORT5, 100, GPIO_SMB05_SCL, GPIO_SMB05_SDA}, -}; -const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); - -/* - * Map ports to controller. - * Ports may map to the same controller. - */ -const uint16_t i2c_port_to_ctrl[I2C_PORT_COUNT] = { - (MCHP_I2C_CTRL0 << 8) + MCHP_I2C_PORT4, - (MCHP_I2C_CTRL1 << 8) + MCHP_I2C_PORT5 -}; - -/* - * default to I2C0 because callers may not check - * return value if we returned an error code. - */ -int board_i2c_p2c(int port) -{ - int i; - - for (i = 0; i < I2C_PORT_COUNT; i++) - if ((i2c_port_to_ctrl[i] & 0xFF) == port) - return (int)(i2c_port_to_ctrl[i] >> 8); - - return -1; -} - -#ifdef CONFIG_USB_POWER_DELIVERY -const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_MAX_COUNT] = { - {I2C_PORT_TCPC, - CONFIG_TCPC_I2C_BASE_ADDR_FLAGS, - &tcpci_tcpm_drv}, - - {I2C_PORT_TCPC, - CONFIG_TCPC_I2C_BASE_ADDR_FLAGS + 1, - &tcpci_tcpm_drv}, -}; -#endif - -/* SPI devices */ -const struct spi_device_t spi_devices[] = { - { QMSPI0_PORT, 4, GPIO_QMSPI_CS0}, -#if defined(CONFIG_SPI_ACCEL_PORT) - { GPSPI0_PORT, 2, GPIO_SPI0_CS0 }, -#endif -}; -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); - - -/* - * Deep sleep support, called by chip level. - */ -#if defined(CONFIG_LOW_POWER_IDLE) && defined(CONFIG_BOARD_DEEP_SLEEP) - -/* - * Perform any board level prepare for sleep actions. - * For example, disabling pin/pads to further reduce - * current during sleep. - */ -void board_prepare_for_deep_sleep(void) -{ -#if defined(CONFIG_GPIO_POWER_DOWN) && \ - defined(CONFIG_MCHP_DEEP_SLP_GPIO_PWR_DOWN) - gpio_power_down_module(MODULE_SPI_FLASH); - gpio_power_down_module(MODULE_SPI_CONTROLLER); - gpio_power_down_module(MODULE_I2C); - /* powering down keyscan is causing an issue with keyscan task - * probably due to spurious interrupts on keyscan pins. - * gpio_config_module(MODULE_KEYBOARD_SCAN, 0); - */ - -#ifndef CONFIG_POWER_S0IX - gpio_power_down_module(MODULE_LPC); -#endif -#endif -} - -/* - * Perform any board level resume from sleep actions. - * For example, re-enabling pins powered off in - * board_prepare_for_deep_sleep(). - */ -void board_resume_from_deep_sleep(void) -{ -#if defined(CONFIG_GPIO_POWER_DOWN) && \ - defined(CONFIG_MCHP_DEEP_SLP_GPIO_PWR_DOWN) -#ifndef CONFIG_POWER_S0IX - gpio_config_module(MODULE_LPC, 1); -#endif - /* gpio_config_module(MODULE_KEYBOARD_SCAN, 1); */ - gpio_config_module(MODULE_SPI_FLASH, 1); - gpio_config_module(MODULE_SPI_CONTROLLER, 1); - gpio_config_module(MODULE_I2C, 1); -#endif -} -#endif - -#ifdef CONFIG_USB_MUX_PI3USB30532 -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); - -struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = { - { - .usb_port = 0, - .i2c_port = I2C_PORT_USB_MUX, - .i2c_addr_flags = PI3USB3X532_I2C_ADDR0, - .driver = &pi3usb3x532_usb_mux_driver, - }, - { - .usb_port = 1, - .i2c_port = I2C_PORT_USB_MUX, - .i2c_addr_flags = 0x10, - .driver = &ps8740_usb_mux_driver, - } -}; -#endif - -/** - * 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); -} - -/* - * - */ -static int therm_get_val(int idx, int *temp_ptr) -{ - if (temp_ptr != NULL) { - *temp_ptr = adc_read_channel(idx); - return EC_SUCCESS; - } - - return EC_ERROR_PARAM2; -} - -#ifdef CONFIG_TEMP_SENSOR -#if 0 /* Chromebook design uses ADC in BD99992GW PMIC */ -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); -#else /* mec1701_evb test I2C and EC ADC */ -/* - * battery charge_get_battery_temp requires charger task running. - * OR can we call into driver/battery/smart.c - * int sb_read(int cmd, int *param) - * sb_read(SB_TEMPERATURE, &batt_new.temperature) - * Issue is functions in this table return a value from a memory array. - * There's a task or hook that is actually reading the temperature. - * We could implement a one second hook to call sb_read() and fill in - * a static global in this module. - */ -const struct temp_sensor_t temp_sensors[] = { - {"Battery", TEMP_SENSOR_TYPE_BATTERY, sb_temp, 0}, - {"Ambient", TEMP_SENSOR_TYPE_BOARD, ds1624_get_val, 0}, - {"Case", TEMP_SENSOR_TYPE_CASE, therm_get_val, (int)ADC_CASE}, -}; -BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT); -#endif -#endif - -#ifdef CONFIG_ALS -/* 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); -#endif - -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}, -}; - -/* MCHP mec1701_evb connected to Intel SKL RVP3 with Kabylake - * processor we do not control the PMIC on SKL. - */ -static void board_pmic_init(void) -{ - int rv, cfg; - - /* No need to re-init PMIC since settings are sticky across sysjump */ - if (system_jumped_late()) - return; - -#if 0 /* BD99992GW PMIC on a real Chromebook */ - /* Set CSDECAYEN / VCCIO decays to 0V at assertion of SLP_S0# */ - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992, 0x30, 0x4a); - - /* - * Set V100ACNT / V1.00A Control Register: - * Nominal output = 1.0V. - */ - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992, 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, 0x38, 0x7a); - - /* VRMODECTRL - enable low-power mode for VCCIO and V0.85A */ - i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992, 0x3b, 0x18); -#else - CPRINTS("HOOK_INIT - called board_pmic_init"); - trace0(0, HOOK, 0, "HOOK_INIT - call board_pmic_init"); - - /* Config DS1624 temperature sensor for continuous conversion */ - cfg = 0x66; - rv = i2c_read8(I2C_PORT_THERMAL, DS1624_I2C_ADDR_FLAGS, - DS1624_ACCESS_CFG, &cfg); - trace2(0, BRD, 0, "Read DS1624 Config rv = %d cfg = 0x%02X", - rv, cfg); - - if ((rv == EC_SUCCESS) && (cfg & (1u << 0))) { - /* one-shot mode switch to continuous */ - rv = i2c_write8(I2C_PORT_THERMAL, DS1624_I2C_ADDR_FLAGS, - DS1624_ACCESS_CFG, 0); - trace1(0, BRD, 0, "Write DS1624 Config to 0, rv = %d", rv); - /* writes to config require 10ms until next I2C command */ - if (rv == EC_SUCCESS) - udelay(10000); - } - - /* Send start command */ - rv = i2c_write8(I2C_PORT_THERMAL, DS1624_I2C_ADDR_FLAGS, - DS1624_CMD_START, 1); - trace1(0, BRD, 0, "Send Start command to DS1624 rv = %d", rv); - - return; -#endif -} -DECLARE_HOOK(HOOK_INIT, board_pmic_init, HOOK_PRIO_DEFAULT); - -/* Initialize board. */ -static void board_init(void) -{ - CPRINTS("MEC1701 HOOK_INIT - called board_init"); - trace0(0, HOOK, 0, "HOOK_INIT - call board_init"); - -#ifdef CONFIG_USB_POWER_DELIVERY - /* 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); -#endif - /* Enable tablet mode interrupt for input device enable */ - gpio_enable_interrupt(GPIO_TABLET_MODE_L); - - /* Provide AC status to the PCH */ - gpio_set_level(GPIO_PCH_ACOK, extpower_is_present()); - - if (system_jumped_late() && - chipset_in_state(CHIPSET_STATE_ON)) { - trace0(0, BRD, 0, "board_init: S0 call board_spi_enable"); - board_spi_enable(); - } - -} -DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT); - - -/** - * Buffer the AC present GPIO to the PCH. - */ -static void board_extpower(void) -{ - CPRINTS("MEC1701 HOOK_AC_CHANGE - called board_extpower"); - trace0(0, HOOK, 0, "HOOK_AC_CHANGET - call board_extpower"); - gpio_set_level(GPIO_PCH_ACOK, extpower_is_present()); -} -DECLARE_HOOK(HOOK_AC_CHANGE, board_extpower, HOOK_PRIO_DEFAULT); - -#ifdef CONFIG_CHARGER -/** - * 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("MEC1701 Skip enable p%d", charge_port); - trace1(0, BOARD, 0, "Skip enable charge port %d", - charge_port); - return EC_ERROR_INVAL; - } - - CPRINTS("MEC1701 New chg p%d", charge_port); - trace1(0, BOARD, 0, "New charge port %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); -} -#else -/* - * TODO HACK providing functions from common/charge_state_v2.c - * which is not compiled in when no charger - */ -int charge_prevent_power_on(int power_button_pressed) -{ - return 0; -} - - -#endif - -/* - * Enable or disable input devices, - * based upon chipset state and tablet mode - */ -static void enable_input_devices(void) -{ - int kb_enable = 1; - int tp_enable = 1; - - /* Disable both TP and KB in tablet mode */ - if (!gpio_get_level(GPIO_TABLET_MODE_L)) - kb_enable = tp_enable = 0; - /* Disable TP if chipset is off */ - else if (chipset_in_state(CHIPSET_STATE_ANY_OFF)) - tp_enable = 0; - - keyboard_scan_enable(kb_enable, KB_SCAN_DISABLE_LID_ANGLE); - gpio_set_level(GPIO_ENABLE_TOUCHPAD, tp_enable); -} - -/* Called on AP S5 -> S3 transition */ -static void board_chipset_startup(void) -{ - CPRINTS("MEC1701 HOOK_CHIPSET_STARTUP - called board_chipset_startup"); - trace0(0, HOOK, 0, "HOOK_CHIPSET_STARTUP - board_chipset_startup"); - gpio_set_level(GPIO_USB1_ENABLE, 1); - gpio_set_level(GPIO_USB2_ENABLE, 1); - hook_call_deferred(&enable_input_devices_data, 0); -} -DECLARE_HOOK(HOOK_CHIPSET_STARTUP, - board_chipset_startup, - HOOK_PRIO_DEFAULT); - -/* Called on AP S3 -> S5 transition */ -static void board_chipset_shutdown(void) -{ - CPRINTS("MEC1701 HOOK_CHIPSET_SHUTDOWN board_chipset_shutdown"); - trace0(0, HOOK, 0, - "HOOK_CHIPSET_SHUTDOWN board_chipset_shutdown"); - gpio_set_level(GPIO_USB1_ENABLE, 0); - gpio_set_level(GPIO_USB2_ENABLE, 0); - hook_call_deferred(&enable_input_devices_data, 0); -} -DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, - board_chipset_shutdown, - HOOK_PRIO_DEFAULT); - -/* Called on AP S3 -> S0 transition */ -static void board_chipset_resume(void) -{ - CPRINTS("MEC1701_EVG HOOK_CHIPSET_RESUME"); - trace0(0, HOOK, 0, "HOOK_CHIPSET_RESUME - board_chipset_resume"); - gpio_set_level(GPIO_ENABLE_BACKLIGHT, 1); -#if 0 /* TODO not implemented in gpio.inc */ - gpio_set_level(GPIO_PP1800_DX_AUDIO_EN, 1); - gpio_set_level(GPIO_PP1800_DX_SENSOR_EN, 1); -#endif - -} -DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_chipset_resume, - MOTION_SENSE_HOOK_PRIO-1); - -/* Called on AP S0 -> S3 transition */ -static void board_chipset_suspend(void) -{ - CPRINTS("MEC1701 HOOK_CHIPSET_SUSPEND - called board_chipset_resume"); - trace0(0, HOOK, 0, "HOOK_CHIPSET_SUSPEND - board_chipset_suspend"); - gpio_set_level(GPIO_ENABLE_BACKLIGHT, 0); -#if 0 /* TODO not implemented in gpio.inc */ - gpio_set_level(GPIO_PP1800_DX_AUDIO_EN, 0); - gpio_set_level(GPIO_PP1800_DX_SENSOR_EN, 0); -#endif -} -DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, - board_chipset_suspend, - HOOK_PRIO_DEFAULT); - -void board_hibernate_late(void) -{ - /* put host chipset into reset */ - gpio_set_level(GPIO_SYS_RESET_L, 0); - - /* Turn off LEDs in hibernate */ - gpio_set_level(GPIO_CHARGE_LED_1, 0); - gpio_set_level(GPIO_CHARGE_LED_2, 0); - - /* - * Set PD wake low so that it toggles high to generate a wake - * event once we leave hibernate. - */ - gpio_set_level(GPIO_USB_PD_WAKE, 0); - -#ifdef CONFIG_USB_PD_PORT_MAX_COUNT - /* - * Leave USB-C charging enabled in hibernate, in order to - * allow wake-on-plug. 5V enable must be pulled low. - */ -#if CONFIG_USB_PD_PORT_MAX_COUNT > 0 - gpio_set_flags(GPIO_USB_C0_5V_EN, GPIO_PULL_DOWN | GPIO_INPUT); - gpio_set_level(GPIO_USB_C0_CHARGE_EN_L, 0); -#endif -#if CONFIG_USB_PD_PORT_MAX_COUNT > 1 - gpio_set_flags(GPIO_USB_C1_5V_EN, GPIO_PULL_DOWN | GPIO_INPUT); - gpio_set_level(GPIO_USB_C1_CHARGE_EN_L, 0); -#endif -#endif /* CONFIG_USB_PD_PORT_MAX_COUNT */ -} - -/* Any glados boards post version 2 should have ROP_LDO_EN stuffed. */ -#define BOARD_MIN_ID_LOD_EN 2 -/* 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) -{ -#if 0 /* MEC17xx EVB + SKL-RVP3 does not use chromebook PMIC design */ - int flags; -#endif - CPRINTS("MEC HOOK_INIT - called board_handle_reboot"); - trace0(0, HOOK, 0, "HOOK_INIT - board_handle_reboot"); - - if (system_jumped_late()) - return; - - if (system_get_board_version() < BOARD_MIN_ID_LOD_EN) - return; - -#if 0 /* TODO MCHP KBL hack not PMIC system */ - /* 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_flags(GPIO_BATLOW_L_PMIC_LDO_EN, GPIO_OUT_HIGH); - while (1) - ; /* wait here */ -#else - return; -#endif -} -DECLARE_HOOK(HOOK_INIT, board_handle_reboot, HOOK_PRIO_FIRST); - - -static int sb_temp(int idx, int *temp_ptr) -{ - if (idx != 0) - return EC_ERROR_PARAM1; - - if (temp_ptr == NULL) - return EC_ERROR_PARAM2; - - *temp_ptr = smart_batt_temp; - - return EC_SUCCESS; -} - -static int ds1624_get_val(int idx, int *temp_ptr) -{ - if (idx != 0) - return EC_ERROR_PARAM1; - - if (temp_ptr == NULL) - return EC_ERROR_PARAM2; - - *temp_ptr = ds1624_temp; - - return EC_SUCCESS; -} - -/* call smart battery code to get its temperature - * output is in tenth degrees C - */ -static void sb_update(void) -{ - int rv __attribute__((unused)); - - rv = sb_read(SB_TEMPERATURE, &smart_batt_temp); - smart_batt_temp = smart_batt_temp / 10; - - trace12(0, BRD, 0, "sb_read temperature rv=%d temp=%d K", - rv, smart_batt_temp); -} - -/* - * Read temperature from Maxim DS1624 sensor. It only has internal sensor - * and is configured for continuous reading mode by default. - * DS1624 does not implement temperature limits or other features of - * sensors like the TMP411. - * Output format is 16-bit MSB first signed celcius temperature in units - * of 0.0625 degree Celsius. - * b[15]=sign bit - * b[14]=2^6, b[13]=2^5, ..., b[8]=2^0 - * b[7]=1/2, b[6]=1/4, b[5]=1/8, b[4]=1/16 - * b[3:0]=0000b - * - */ -static void ds1624_update(void) -{ - uint32_t d; - int temp; - int rv __attribute__((unused)); - - rv = i2c_read16(I2C_PORT_THERMAL, DS1624_I2C_ADDR_FLAGS, - DS1624_READ_TEMP16, &temp); - - d = (temp & 0x7FFF) >> 8; - if ((uint32_t)temp & BIT(7)) - d++; - - if ((uint32_t)temp & BIT(15)) - d |= (1u << 31); - - ds1624_temp = (int32_t)d; - - trace3(0, BRD, 0, "ds1624_update: rv=%d raw temp = 0x%04X tempC = %d", - rv, temp, ds1624_temp); -} - -/* Indicate scheduler is alive by blinking an LED. - * Test I2C by reading a smart battery and temperature sensor. - * Smart battery 16 bit temperature is in units of 1/10 degree C. - */ -static void board_one_sec(void) -{ - trace0(0, BRD, 0, "HOOK_SECOND"); - - if (gpio_get_level(GPIO_CHARGE_LED_2)) - gpio_set_level(GPIO_CHARGE_LED_2, 0); - else - gpio_set_level(GPIO_CHARGE_LED_2, 1); - - sb_update(); - ds1624_update(); -} -DECLARE_HOOK(HOOK_SECOND, board_one_sec, HOOK_PRIO_DEFAULT); - -/* Motion sensors */ - -static struct mutex g_base_mutex; -/* BMI160 private data */ -static struct bmi_drv_data_t g_bmi160_data; - -#ifdef CONFIG_ACCEL_KX022 -static struct mutex g_lid_mutex; -/* KX022 private data */ -static struct kionix_accel_data g_kx022_data; -#endif - -struct motion_sensor_t motion_sensors[] = { - /* - * Note: bmi160: supports accelerometer and gyro sensor - * Requirement: accelerometer sensor must init before gyro sensor - * DO NOT change the order of the following table. - */ - [BASE_ACCEL] = { - .name = "Base Accel", - .active_mask = SENSOR_ACTIVE_S0, - .chip = MOTIONSENSE_CHIP_BMI160, - .type = MOTIONSENSE_TYPE_ACCEL, - .location = MOTIONSENSE_LOC_BASE, - .drv = &bmi160_drv, - .mutex = &g_base_mutex, - .drv_data = &g_bmi160_data, - .port = CONFIG_SPI_ACCEL_PORT, - .i2c_spi_addr_flags = ACCEL_MK_SPI_ADDR_FLAGS( - CONFIG_SPI_ACCEL_PORT), - .rot_standard_ref = NULL, /* Identity matrix. */ - .default_range = 4, /* g, to meet CDD 7.3.1/C-1-4 reqs */ - .min_frequency = BMI_ACCEL_MIN_FREQ, - .max_frequency = BMI_ACCEL_MAX_FREQ, - .config = { - /* EC use accel for angle detection */ - [SENSOR_CONFIG_EC_S0] = { - .odr = 10000 | ROUND_UP_FLAG, - .ec_rate = 100 * MSEC, - }, - }, - }, - - [BASE_GYRO] = { - .name = "Base Gyro", - .active_mask = SENSOR_ACTIVE_S0, - .chip = MOTIONSENSE_CHIP_BMI160, - .type = MOTIONSENSE_TYPE_GYRO, - .location = MOTIONSENSE_LOC_BASE, - .drv = &bmi160_drv, - .mutex = &g_base_mutex, - .drv_data = &g_bmi160_data, - .port = CONFIG_SPI_ACCEL_PORT, - .i2c_spi_addr_flags = ACCEL_MK_SPI_ADDR_FLAGS( - CONFIG_SPI_ACCEL_PORT), - .default_range = 1000, /* dps */ - .rot_standard_ref = NULL, /* Identity Matrix. */ - .min_frequency = BMI_GYRO_MIN_FREQ, - .max_frequency = BMI_GYRO_MAX_FREQ, - }, -#ifdef CONFIG_ACCEL_KX022 - [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_lid_mutex, - .drv_data = &g_kx022_data, - .port = I2C_PORT_ACCEL, - .i2c_spi_addr_flags = KX022_ADDR1_FLAGS, - .rot_standard_ref = NULL, /* Identity matrix. */ - .default_range = 2, /* g, enough for laptop. */ - .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, - }, - }, - }, -#endif /* #ifdef CONFIG_ACCEL_KX022 */ -}; -const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors); - -static void board_spi_enable(void) -{ - trace0(0, BRD, 0, "HOOK_CHIPSET_STARTUP - board_spi_enable"); - - spi_enable(&spi_devices[1], 1); - - /* Toggle SPI chip select to switch BMI160 from I2C mode - * to SPI mode - */ - gpio_set_level(GPIO_SPI0_CS0, 0); - udelay(10); - gpio_set_level(GPIO_SPI0_CS0, 1); -} -DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_spi_enable, - MOTION_SENSE_HOOK_PRIO - 1); - -static void board_spi_disable(void) -{ - trace0(0, BRD, 0, "HOOK_CHIPSET_SHUTDOWN - board_spi_disable"); - spi_enable(&spi_devices[1], 0); -} -DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, board_spi_disable, - MOTION_SENSE_HOOK_PRIO + 1); - -#ifdef MEC1701_EVB_TACH_TEST /* PWM/TACH test */ -void tach0_isr(void) -{ - MCHP_INT_DISABLE(MCHP_TACH_GIRQ) = MCHP_TACH_GIRQ_BIT(0); - MCHP_INT_SOURCE(MCHP_TACH_GIRQ) = MCHP_TACH_GIRQ_BIT(0); -} -DECLARE_IRQ(MCHP_IRQ_TACH_0, tach0_isr, 1); -#endif |