diff options
Diffstat (limited to 'board/genesis/board.c')
| -rw-r--r-- | board/genesis/board.c | 480 |
1 files changed, 0 insertions, 480 deletions
diff --git a/board/genesis/board.c b/board/genesis/board.c deleted file mode 100644 index 6f397bf1ab..0000000000 --- a/board/genesis/board.c +++ /dev/null @@ -1,480 +0,0 @@ -/* Copyright 2020 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. - */ - -/* Puff board-specific configuration */ - -#include "adc.h" -#include "button.h" -#include "chipset.h" -#include "common.h" -#include "core/cortex-m/cpu.h" -#include "cros_board_info.h" -#include "driver/ina3221.h" -#include "ec_commands.h" -#include "extpower.h" -#include "fan.h" -#include "fan_chip.h" -#include "gpio.h" -#include "hooks.h" -#include "host_command.h" -#include "lid_switch.h" -#include "power.h" -#include "power/cometlake-discrete.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 "thermal.h" -#include "temp_sensor/thermistor.h" -#include "uart.h" -#include "usb_common.h" -#include "util.h" - -#define CPRINTS(format, args...) cprints(CC_SYSTEM, format, ## args) -#define CPRINTF(format, args...) cprintf(CC_SYSTEM, format, ## args) - -static void power_monitor(void); -DECLARE_DEFERRED(power_monitor); - -static uint8_t usbc_overcurrent; -static int32_t base_5v_power; - -/* - * Power usage for each port as measured or estimated. - * Units are milliwatts (5v x ma current) - */ -#define PWR_BASE_LOAD (5*1335) -#define PWR_FRONT_HIGH (5*1500) -#define PWR_FRONT_LOW (5*900) -#define PWR_REAR (5*1500) -#define PWR_HDMI (5*562) -#define PWR_C_HIGH (5*3740) -#define PWR_C_LOW (5*2090) -#define PWR_MAX (5*10000) - -/* - * Update the 5V power usage, assuming no throttling, - * and invoke the power monitoring. - */ -static void update_5v_usage(void) -{ - int front_ports = 0; - /* - * Recalculate the 5V load, assuming no throttling. - */ - base_5v_power = PWR_BASE_LOAD; - if (!gpio_get_level(GPIO_USB_A2_OC_ODL)) { - front_ports++; - base_5v_power += PWR_FRONT_LOW; - } - if (!gpio_get_level(GPIO_USB_A3_OC_ODL)) { - front_ports++; - base_5v_power += PWR_FRONT_LOW; - } - /* - * Only 1 front port can run higher power at a time. - */ - if (front_ports > 0) - base_5v_power += PWR_FRONT_HIGH - PWR_FRONT_LOW; - if (!gpio_get_level(GPIO_USB_A1_OC_ODL)) - base_5v_power += PWR_REAR; - if (!gpio_get_level(GPIO_HDMI_CONN0_OC_ODL)) - base_5v_power += PWR_HDMI; - if (!gpio_get_level(GPIO_HDMI_CONN1_OC_ODL)) - base_5v_power += PWR_HDMI; - if (usbc_overcurrent) - base_5v_power += PWR_C_HIGH; - /* - * Invoke the power handler immediately. - */ - hook_call_deferred(&power_monitor_data, 0); -} -DECLARE_DEFERRED(update_5v_usage); -/* - * Start power monitoring after ADCs have been initialised. - */ -DECLARE_HOOK(HOOK_INIT, update_5v_usage, HOOK_PRIO_INIT_ADC + 1); - -static void port_ocp_interrupt(enum gpio_signal signal) -{ - hook_call_deferred(&update_5v_usage_data, 0); -} - -/******************************************************************************/ - -#include "gpio_list.h" /* Must come after other header files. */ - -/******************************************************************************/ -/* SPI devices */ -const struct spi_device_t spi_devices[] = { -}; -const unsigned int spi_devices_used = ARRAY_SIZE(spi_devices); - -/******************************************************************************/ -/* PWM channels. Must be in the exactly same order as in enum pwm_channel. */ -const struct pwm_t pwm_channels[] = { - [PWM_CH_FAN] = { .channel = 5, - .flags = PWM_CONFIG_OPEN_DRAIN, - .freq = 25000}, - [PWM_CH_LED_RED] = { .channel = 0, - .flags = PWM_CONFIG_DSLEEP, - .freq = 2000 }, - [PWM_CH_LED_WHITE] = { .channel = 2, - .flags = PWM_CONFIG_DSLEEP, - .freq = 2000 }, -}; - -/******************************************************************************/ -/* I2C port map configuration */ -const struct i2c_port_t i2c_ports[] = { - {"ina", I2C_PORT_INA, 400, GPIO_I2C0_SCL, GPIO_I2C0_SDA}, - {"ppc0", I2C_PORT_PPC0, 400, GPIO_I2C1_SCL, GPIO_I2C1_SDA}, - {"tcpc0", I2C_PORT_TCPC0, 400, GPIO_I2C3_SCL, GPIO_I2C3_SDA}, - {"pse", I2C_PORT_PSE, 400, GPIO_I2C4_SCL, GPIO_I2C4_SDA}, - {"power", I2C_PORT_POWER, 400, GPIO_I2C5_SCL, GPIO_I2C5_SDA}, - {"eeprom", I2C_PORT_EEPROM, 400, GPIO_I2C7_SCL, GPIO_I2C7_SDA}, -}; -const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); - -const struct adc_t adc_channels[] = { - [ADC_SNS_PP3300] = { - /* - * 4700/5631 voltage divider: can take the value out of range - * for 32-bit signed integers, so truncate to 470/563 yielding - * <0.1% error and a maximum intermediate value of 1623457792, - * which comfortably fits in int32. - */ - .name = "SNS_PP3300", - .input_ch = NPCX_ADC_CH2, - .factor_mul = ADC_MAX_VOLT * 563, - .factor_div = (ADC_READ_MAX + 1) * 470, - }, - [ADC_SNS_PP1050] = { - .name = "SNS_PP1050", - .input_ch = NPCX_ADC_CH7, - .factor_mul = ADC_MAX_VOLT, - .factor_div = ADC_READ_MAX + 1, - }, - [ADC_VBUS] = { /* 5/39 voltage divider */ - .name = "VBUS", - .input_ch = NPCX_ADC_CH4, - .factor_mul = ADC_MAX_VOLT * 39, - .factor_div = (ADC_READ_MAX + 1) * 5, - }, - [ADC_PPVAR_IMON] = { /* 500 mV/A */ - .name = "PPVAR_IMON", - .input_ch = NPCX_ADC_CH9, - .factor_mul = ADC_MAX_VOLT * 2, /* Milliamps */ - .factor_div = ADC_READ_MAX + 1, - }, - [ADC_TEMP_SENSOR_1] = { - .name = "TEMP_SENSOR_1", - .input_ch = NPCX_ADC_CH0, - .factor_mul = ADC_MAX_VOLT, - .factor_div = ADC_READ_MAX + 1, - }, -}; -BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); - -const struct temp_sensor_t temp_sensors[] = { - [TEMP_SENSOR_CORE] = { - .name = "Core", - .type = TEMP_SENSOR_TYPE_BOARD, - .read = get_temp_3v3_30k9_47k_4050b, - .idx = ADC_TEMP_SENSOR_1, - }, -}; -BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT); - -/******************************************************************************/ -/* Wake up pins */ -const enum gpio_signal hibernate_wake_pins[] = { -}; -const int hibernate_wake_pins_used = ARRAY_SIZE(hibernate_wake_pins); - -/******************************************************************************/ -/* Physical fans. These are logically separate from pwm_channels. */ -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 = -1, -}; - -const struct fan_rpm fan_rpm_0 = { - .rpm_min = 2500, - .rpm_start = 2500, - .rpm_max = 5200, -}; - -const struct fan_t fans[] = { - [FAN_CH_0] = { .conf = &fan_conf_0, .rpm = &fan_rpm_0, }, -}; -BUILD_ASSERT(ARRAY_SIZE(fans) == FAN_CH_COUNT); - -/******************************************************************************/ -/* MFT channels. These are logically separate from pwm_channels. */ -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); - -/******************************************************************************/ -/* Thermal control; drive fan based on temperature sensors. */ -const static struct ec_thermal_config thermal_a = { - .temp_host = { - [EC_TEMP_THRESH_WARN] = 0, - [EC_TEMP_THRESH_HIGH] = C_TO_K(78), - [EC_TEMP_THRESH_HALT] = C_TO_K(85), - }, - .temp_host_release = { - [EC_TEMP_THRESH_WARN] = 0, - [EC_TEMP_THRESH_HIGH] = C_TO_K(70), - [EC_TEMP_THRESH_HALT] = 0, - }, - .temp_fan_off = C_TO_K(25), - .temp_fan_max = C_TO_K(84), -}; - -struct ec_thermal_config thermal_params[] = { - [TEMP_SENSOR_CORE] = thermal_a, -}; -BUILD_ASSERT(ARRAY_SIZE(thermal_params) == TEMP_SENSOR_COUNT); - -/* Power sensors */ -const struct ina3221_t ina3221[] = { - { I2C_PORT_INA, 0x40, { "PP3300_G", "PP5000_A", "PP3300_WLAN" } }, - { I2C_PORT_INA, 0x42, { "PP3300_A", "PP3300_SSD", "PP3300_LAN" } }, - { I2C_PORT_INA, 0x43, { NULL, "PP1200_U", "PP2500_DRAM" } } -}; -const unsigned int ina3221_count = ARRAY_SIZE(ina3221); - -static uint16_t board_version; -static uint32_t sku_id; -static uint32_t fw_config; - -static void cbi_init(void) -{ - /* - * Load board info from CBI to control per-device configuration. - * - * If unset it's safe to treat the board as a proto, just C10 gating - * won't be enabled. - */ - uint32_t val; - - if (cbi_get_board_version(&val) == EC_SUCCESS && val <= UINT16_MAX) - board_version = val; - if (cbi_get_sku_id(&val) == EC_SUCCESS) - sku_id = val; - if (cbi_get_fw_config(&val) == EC_SUCCESS) - fw_config = val; - CPRINTS("Board Version: %d, SKU ID: 0x%08x, F/W config: 0x%08x", - board_version, sku_id, fw_config); -} -DECLARE_HOOK(HOOK_INIT, cbi_init, HOOK_PRIO_INIT_I2C + 1); - -static void board_init(void) -{ - uint8_t *memmap_batt_flags; - - /* Override some GPIO interrupt priorities. - * - * These interrupts are timing-critical for AP power sequencing, so we - * increase their NVIC priority from the default of 3. This affects - * whole MIWU groups of 8 GPIOs since they share an IRQ. - * - * Latency at the default priority level can be hundreds of - * microseconds while other equal-priority IRQs are serviced, so GPIOs - * requiring faster response must be higher priority. - */ - /* CPU_C10_GATE_L on GPIO6.7: must be ~instant for ~60us response. */ - cpu_set_interrupt_priority(NPCX_IRQ_WKINTH_1, 1); - /* - * slp_s3_interrupt (GPIOA.5 on WKINTC_0) must respond within 200us - * (tPLT18); less critical than the C10 gate. - */ - cpu_set_interrupt_priority(NPCX_IRQ_WKINTC_0, 2); - - /* Always claim AC is online, because we don't have a battery. */ - memmap_batt_flags = host_get_memmap(EC_MEMMAP_BATT_FLAG); - *memmap_batt_flags |= EC_BATT_FLAG_AC_PRESENT; - /* - * For board version < 2, the directly connected recovery - * button is not available. - */ - if (board_version < 2) - button_disable_gpio(GPIO_EC_RECOVERY_BTN_ODL); -} -DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT); - -/******************************************************************************/ -/* USB-A port control */ -const int usb_port_enable[USB_PORT_COUNT] = { - GPIO_EN_PP5000_USB_VBUS, -}; - -int64_t get_time_dsw_pwrok(void) -{ - /* DSW_PWROK is turned on before EC was powered. */ - return -20 * MSEC; -} - -int extpower_is_present(void) -{ - /* genesis: If the EC is running, then there is external power */ - return 1; -} - -int board_is_c10_gate_enabled(void) -{ - return 0; -} - -void board_enable_s0_rails(int enable) -{ -} - -/* - * Power monitoring and management. - * - * The overall goal is to gracefully manage the power demand so that - * the power budgets are met without letting the system fall into - * power deficit (perhaps causing a brownout). - * - * There are 2 power budgets that need to be managed: - * - overall system power as measured on the main power supply rail. - * - 5V power delivered to the USB and HDMI ports. - * - * The actual system power demand is calculated from the VBUS voltage and - * the input current (read from a shunt), averaged over 5 readings. - * The power budget limit is from the charge manager. - * - * The 5V power cannot be read directly. Instead, we rely on overcurrent - * inputs from the USB and HDMI ports to indicate that the port is in use - * (and drawing maximum power). - * - * There are 3 throttles that can be applied (in priority order): - * - * - Type A BC1.2 front port restriction (3W) - * - Type C PD (throttle to 1.5A if sourcing) - * - Turn on PROCHOT, which immediately throttles the CPU. - * - * The first 2 throttles affect both the system power and the 5V rails. - * The third is a last resort to force an immediate CPU throttle to - * reduce the overall power use. - * - * The strategy is to determine what the state of the throttles should be, - * and to then turn throttles off or on as needed to match this. - * - * This function runs on demand, or every 2 ms when the CPU is up, - * and continually monitors the power usage, applying the - * throttles when necessary. - * - * All measurements are in milliwatts. - */ -#define THROT_TYPE_A BIT(0) -#define THROT_TYPE_C BIT(1) -#define THROT_PROCHOT BIT(2) - -/* - * Power gain if front USB A ports are limited. - */ -#define POWER_GAIN_TYPE_A 3200 -/* - * Power gain if Type C port is limited. - */ -#define POWER_GAIN_TYPE_C 8800 -/* - * Power is averaged over 10 ms, with a reading every 2 ms. - */ -#define POWER_DELAY_MS 2 -#define POWER_READINGS (10/POWER_DELAY_MS) - -static void power_monitor(void) -{ - static uint32_t current_state; - int32_t delay; - uint32_t new_state = 0, diff; - int32_t headroom_5v = PWR_MAX - base_5v_power; - - /* - * If CPU is off or suspended, no need to throttle - * or restrict power. - */ - if (chipset_in_state(CHIPSET_STATE_ANY_OFF | - CHIPSET_STATE_SUSPEND)) { - /* - * Slow down monitoring, assume no throttling required. - */ - delay = 20 * MSEC; - } else { - delay = POWER_DELAY_MS * MSEC; - } - /* - * Check the 5v power usage and if necessary, - * adjust the throttles in priority order. - * - * Either throttle may have already been activated by - * the overall power control. - * - * We rely on the overcurrent detection to inform us - * if the port is in use. - * - * - If type C not already throttled: - * * If not overcurrent, prefer to limit type C [1]. - * * If in overcurrentuse: - * - limit type A first [2] - * - If necessary, limit type C [3]. - * - If type A not throttled, if necessary limit it [2]. - */ - if (headroom_5v < 0) { - /* - * Check whether type C is not throttled, - * and is not overcurrent. - */ - if (!((new_state & THROT_TYPE_C) || usbc_overcurrent)) { - /* - * [1] Type C not in overcurrent, throttle it. - */ - headroom_5v += PWR_C_HIGH - PWR_C_LOW; - new_state |= THROT_TYPE_C; - } - /* - * [2] If type A not already throttled, and power still - * needed, limit type A. - */ - if (!(new_state & THROT_TYPE_A) && headroom_5v < 0) { - headroom_5v += PWR_FRONT_HIGH - PWR_FRONT_LOW; - new_state |= THROT_TYPE_A; - } - /* - * [3] If still under-budget, limit type C. - * No need to check if it is already throttled or not. - */ - if (headroom_5v < 0) - new_state |= THROT_TYPE_C; - } - /* - * Turn the throttles on or off if they have changed. - */ - diff = new_state ^ current_state; - current_state = new_state; - if (diff & THROT_PROCHOT) { - int prochot = (new_state & THROT_PROCHOT) ? 0 : 1; - - gpio_set_level(GPIO_EC_PROCHOT_ODL, prochot); - } - if (diff & THROT_TYPE_A) { - int typea_bc = (new_state & THROT_TYPE_A) ? 1 : 0; - - gpio_set_level(GPIO_USB_A3_LOW_PWR_OD, typea_bc); - } - hook_call_deferred(&power_monitor_data, delay); -} |