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-rw-r--r--board/samus/battery.c301
-rw-r--r--board/samus/board.c490
-rw-r--r--board/samus/board.h227
-rw-r--r--board/samus/build.mk16
-rw-r--r--board/samus/ec.tasklist22
-rw-r--r--board/samus/extpower.c441
-rw-r--r--board/samus/gpio.inc122
-rw-r--r--board/samus/panel.c195
-rw-r--r--board/samus/power_sequence.c560
9 files changed, 0 insertions, 2374 deletions
diff --git a/board/samus/battery.c b/board/samus/battery.c
deleted file mode 100644
index bc73cbc1c3..0000000000
--- a/board/samus/battery.c
+++ /dev/null
@@ -1,301 +0,0 @@
-/* Copyright 2012 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.
- *
- * Battery pack vendor provided charging profile
- */
-
-#include "battery_smart.h"
-#include "charge_state.h"
-#include "console.h"
-#include "ec_commands.h"
-#include "extpower.h"
-#include "i2c.h"
-#include "util.h"
-
-static const struct battery_info info = {
- /*
- * Design voltage
- * max = 8.4V
- * normal = 7.4V
- * min = 6.0V
- */
- .voltage_max = 8700,
- .voltage_normal = 7400,
- .voltage_min = 6000,
-
- /* Pre-charge current: I <= 0.01C */
- .precharge_current = 64, /* mA */
-
- /*
- * Operational temperature range
- * 0 <= T_charge <= 50 deg C
- * -20 <= T_discharge <= 60 deg C
- */
- .start_charging_min_c = 0,
- .start_charging_max_c = 50,
- .charging_min_c = 0,
- .charging_max_c = 50,
- .discharging_min_c = -20,
- .discharging_max_c = 60,
-};
-
-const struct battery_info *battery_get_info(void)
-{
- return &info;
-}
-
-#ifdef CONFIG_CHARGER_PROFILE_OVERRIDE
-
-static int fast_charging_allowed = 1;
-
-/*
- * This can override the smart battery's charging profile. To make a change,
- * modify one or more of requested_voltage, requested_current, or state.
- * Leave everything else unchanged.
- *
- * Return the next poll period in usec, or zero to use the default (which is
- * state dependent).
- */
-int charger_profile_override(struct charge_state_data *curr)
-{
- /* temp in 0.1 deg C */
- int temp_c;
- const struct charger_info *info;
-
- /* keep track of last temperature range for hysteresis */
- static enum {
- TEMP_LOW,
- TEMP_NORMAL,
- TEMP_HIGH
- } temp_range = TEMP_NORMAL, prev_temp_range = TEMP_NORMAL;
-
- /* charging voltage to use at high temp */
- static int high_temp_charging_voltage;
-
- /* custom profile phase at normal temp */
- static int normal_temp_phase;
-
- /* battery voltage and current and previous voltage and current */
- int batt_voltage, batt_current;
- static int prev_batt_voltage, prev_batt_current;
-
- /*
- * Determine temperature range:
- * Low: Battery is <15C
- * Normal: Battery is 15-45C
- * High: Battery is >45C
- *
- * Add 0.2 degrees of hysteresis.
- * If temp reading was bad use last range.
- */
- if (!(curr->batt.flags & BATT_FLAG_BAD_TEMPERATURE)) {
- temp_c = curr->batt.temperature - 2731;
- if (temp_c < 149)
- temp_range = TEMP_LOW;
- else if (temp_c > 151 && temp_c < 449)
- temp_range = TEMP_NORMAL;
- else if (temp_c > 451)
- temp_range = TEMP_HIGH;
- }
-
- /*
- * Treat voltage and current as a pair, if either is bad fall back to
- * previous reading.
- */
- if (curr->batt.flags &
- (BATT_FLAG_BAD_VOLTAGE | BATT_FLAG_BAD_CURRENT)) {
- batt_voltage = prev_batt_voltage;
- batt_current = prev_batt_current;
- } else {
- batt_voltage = prev_batt_voltage = curr->batt.voltage;
- batt_current = prev_batt_current = curr->batt.current;
- }
-
- /*
- * If we are not charging or we aren't using fast charging profiles,
- * then do not override desired current and voltage and reset some
- * fast charging profile static variables.
- */
- if (curr->state != ST_CHARGE || !fast_charging_allowed) {
- prev_temp_range = TEMP_NORMAL;
- normal_temp_phase = 0;
- return 0;
- }
-
- /*
- * Okay, impose our custom will:
- * Normal temp:
- * Phase 0: CC at 9515mA @ 8.3V
- * CV at 8.3V until current drops to 4759mA
- * Phase 1: CC at 4759mA @ 8.7V
- * CV at 8.7V
- *
- * Low temp:
- * CC at 2854mA @ 8.7V
- * CV at 8.7V
- *
- * High temp:
- * If battery voltage < 8.3V then:
- * CC at 6660mA @ 8.3V
- * CV at 8.3V (when battery is hot we don't go to fully charged)
- * else:
- * CV at just above battery voltage which will essentially
- * terminate the charge and allow battery to cool.
- * Note that if we ever request a voltage below the present battery
- * voltage, then we will stop the BQ switching, which will power off
- * the INA and we won't be able to charge again until AC is
- * disconnected. see crbug.com/p/35491.
- */
- switch (temp_range) {
- case TEMP_LOW:
- curr->requested_current = 2854;
- curr->requested_voltage = 8700;
- break;
- case TEMP_NORMAL:
- if (normal_temp_phase == 0) {
- curr->requested_current = 9515;
- curr->requested_voltage = 8300;
- if (batt_current <= 4759 && batt_voltage >= 8200)
- normal_temp_phase = 1;
- }
- if (normal_temp_phase == 1) {
- curr->requested_current = 4759;
- curr->requested_voltage = 8700;
- }
- break;
- case TEMP_HIGH:
- /*
- * First time TEMP_HIGH is used, get the closest voltage
- * just above the battery voltage. If it is above 8.3V, we
- * will use that as the target, otherwise we will use 8.3V.
- */
- if (prev_temp_range != TEMP_HIGH) {
- info = charger_get_info();
- high_temp_charging_voltage = MAX(8300,
- charger_closest_voltage(batt_voltage +
- info->voltage_step));
- }
- curr->requested_current = 6660;
- curr->requested_voltage = high_temp_charging_voltage;
- break;
- }
- prev_temp_range = temp_range;
-
- return 0;
-}
-
-/* Customs options controllable by host command. */
-#define PARAM_FASTCHARGE (CS_PARAM_CUSTOM_PROFILE_MIN + 0)
-
-enum ec_status charger_profile_override_get_param(uint32_t param,
- uint32_t *value)
-{
- if (param == PARAM_FASTCHARGE) {
- *value = fast_charging_allowed;
- return EC_RES_SUCCESS;
- }
- return EC_RES_INVALID_PARAM;
-}
-
-enum ec_status charger_profile_override_set_param(uint32_t param,
- uint32_t value)
-{
- if (param == PARAM_FASTCHARGE) {
- fast_charging_allowed = value;
- return EC_RES_SUCCESS;
- }
- return EC_RES_INVALID_PARAM;
-}
-
-#ifdef CONFIG_CMD_FASTCHARGE
-static int command_fastcharge(int argc, char **argv)
-{
- if (argc > 1 && !parse_bool(argv[1], &fast_charging_allowed))
- return EC_ERROR_PARAM1;
-
- ccprintf("fastcharge %s\n", fast_charging_allowed ? "on" : "off");
-
- return EC_SUCCESS;
-}
-DECLARE_CONSOLE_COMMAND(fastcharge, command_fastcharge,
- "[on|off]",
- "Get or set fast charging profile");
-#endif /* CONFIG_CMD_FASTCHARGE */
-
-#endif /* CONFIG_CHARGER_PROFILE_OVERRIDE */
-
-#ifdef CONFIG_BATTERY_REVIVE_DISCONNECT
-/*
- * Check if battery is in disconnect state, a state entered by pulling
- * BATT_DISCONN_N low, and clear that state if we have external power plugged
- * and no battery faults are detected. Disconnect state resembles battery
- * shutdown mode, but extra steps must be taken to get the battery out of this
- * mode.
- */
-enum battery_disconnect_state battery_get_disconnect_state(void)
-{
- uint8_t data[6];
- int rv;
- /*
- * Take note if we find that the battery isn't in disconnect state,
- * and always return NOT_DISCONNECTED without probing the battery.
- * This assumes the battery will not go to disconnect state during
- * runtime.
- */
- static int not_disconnected;
-
- if (not_disconnected)
- return BATTERY_NOT_DISCONNECTED;
-
- if (extpower_is_present()) {
- /* Check if battery charging + discharging is disabled. */
- rv = sb_read_mfgacc(PARAM_OPERATION_STATUS,
- SB_ALT_MANUFACTURER_ACCESS, data, sizeof(data));
- if (rv)
- return BATTERY_DISCONNECT_ERROR;
- if (~data[3] & (BATTERY_DISCHARGING_DISABLED |
- BATTERY_CHARGING_DISABLED)) {
- not_disconnected = 1;
- return BATTERY_NOT_DISCONNECTED;
- }
-
- /*
- * Battery is neither charging nor discharging. Verify that
- * we didn't enter this state due to a safety fault.
- */
- rv = sb_read_mfgacc(PARAM_SAFETY_STATUS,
- SB_ALT_MANUFACTURER_ACCESS, data, sizeof(data));
- if (rv || data[2] || data[3] || data[4] || data[5])
- return BATTERY_DISCONNECT_ERROR;
- else
- /* No safety fault -- clear disconnect state. */
- return BATTERY_DISCONNECTED;
- }
- not_disconnected = 1;
- return BATTERY_NOT_DISCONNECTED;
-}
-#endif /* CONFIG_BATTERY_REVIVE_DISCONNECT */
-
-#define PARAM_CUT_OFF_LOW 0x10
-#define PARAM_CUT_OFF_HIGH 0x00
-
-int board_cut_off_battery(void)
-{
- int rv;
- uint8_t buf[3];
-
- buf[0] = SB_MANUFACTURER_ACCESS & 0xff;
- buf[1] = PARAM_CUT_OFF_LOW;
- buf[2] = PARAM_CUT_OFF_HIGH;
-
- i2c_lock(I2C_PORT_BATTERY, 1);
- rv = i2c_xfer_unlocked(I2C_PORT_BATTERY, BATTERY_ADDR_FLAGS,
- buf, 3, NULL, 0, I2C_XFER_SINGLE);
- rv |= i2c_xfer_unlocked(I2C_PORT_BATTERY, BATTERY_ADDR_FLAGS,
- buf, 3, NULL, 0, I2C_XFER_SINGLE);
- i2c_lock(I2C_PORT_BATTERY, 0);
-
- return rv;
-}
-
diff --git a/board/samus/board.c b/board/samus/board.c
deleted file mode 100644
index d7c4811d49..0000000000
--- a/board/samus/board.c
+++ /dev/null
@@ -1,490 +0,0 @@
-/* Copyright 2013 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.
- */
-/* EC for Samus board configuration */
-
-#include "als.h"
-#include "adc.h"
-#include "adc_chip.h"
-#include "backlight.h"
-#include "battery.h"
-#include "capsense.h"
-#include "charger.h"
-#include "charge_state.h"
-#include "common.h"
-#include "console.h"
-#include "driver/accel_kionix.h"
-#include "driver/accel_kxcj9.h"
-#include "driver/accelgyro_lsm6ds0.h"
-#include "driver/als_isl29035.h"
-#include "driver/temp_sensor/tmp006.h"
-#include "extpower.h"
-#include "fan.h"
-#include "gesture.h"
-#include "gpio.h"
-#include "hooks.h"
-#include "host_command.h"
-#include "i2c.h"
-#include "keyboard_scan.h"
-#include "keyboard_8042.h"
-#include "keyboard_8042_sharedlib.h"
-#include "lid_switch.h"
-#include "lightbar.h"
-#include "motion_sense.h"
-#include "motion_lid.h"
-#include "peci.h"
-#include "power.h"
-#include "power_button.h"
-#include "pwm.h"
-#include "pwm_chip.h"
-#include "registers.h"
-#include "switch.h"
-#include "system.h"
-#include "task.h"
-#include "temp_sensor.h"
-#include "temp_sensor_chip.h"
-#include "timer.h"
-#include "thermal.h"
-#include "uart.h"
-#include "util.h"
-
-static void pd_mcu_interrupt(enum gpio_signal signal)
-{
- /* Exchange status with PD MCU. */
- host_command_pd_send_status(PD_CHARGE_NO_CHANGE);
-}
-
-#include "gpio_list.h"
-
-/* power signal list. Must match order of enum power_signal. */
-const struct power_signal_info power_signal_list[] = {
- {GPIO_PP1050_PGOOD, POWER_SIGNAL_ACTIVE_HIGH, "PGOOD_PP1050"},
- {GPIO_PP1200_PGOOD, POWER_SIGNAL_ACTIVE_HIGH, "PGOOD_PP1200"},
- {GPIO_PP1800_PGOOD, POWER_SIGNAL_ACTIVE_HIGH, "PGOOD_PP1800"},
- {GPIO_VCORE_PGOOD, POWER_SIGNAL_ACTIVE_HIGH, "PGOOD_VCORE"},
- {GPIO_PCH_SLP_S0_L, POWER_SIGNAL_ACTIVE_HIGH, "SLP_S0_DEASSERTED"},
- {GPIO_PCH_SLP_S3_L, POWER_SIGNAL_ACTIVE_HIGH, "SLP_S3_DEASSERTED"},
- {GPIO_PCH_SLP_S5_L, POWER_SIGNAL_ACTIVE_HIGH, "SLP_S5_DEASSERTED"},
- {GPIO_PCH_SLP_SUS_L, POWER_SIGNAL_ACTIVE_HIGH, "SLP_SUS_DEASSERTED"},
- {GPIO_PCH_SUSWARN_L, POWER_SIGNAL_ACTIVE_HIGH, "SUSWARN_DEASSERTED"},
-};
-BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT);
-
-/* ADC channels. Must be in the exactly same order as in enum adc_channel. */
-const struct adc_t adc_channels[] = {
- /*
- * EC internal temperature is calculated by
- * 273 + (295 - 450 * ADC_VALUE / ADC_READ_MAX) / 2
- * = -225 * ADC_VALUE / ADC_READ_MAX + 420.5
- */
- {"ECTemp", LM4_ADC_SEQ0, -225, ADC_READ_MAX, 420,
- LM4_AIN_NONE, 0x0e /* TS0 | IE0 | END0 */, 0, 0},
- /*
- * TODO(crosbug.com/p/23827): We don't know what to expect here, but
- * it's an analog input that's pulled high. We're using it as a battery
- * presence indicator for now. We'll return just 0 - ADC_READ_MAX for
- * now.
- */
- {"BatteryTemp", LM4_ADC_SEQ2, 1, 1, 0,
- LM4_AIN(10), 0x06 /* IE0 | END0 */, LM4_GPIO_B, BIT(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[] = {
- {4, 0},
-};
-BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT);
-
-/* Physical fans. These are logically separate from pwm_channels. */
-const struct fan_conf fan_conf_0 = {
- .flags = FAN_USE_RPM_MODE,
- .ch = 2, /* Use MFT id to control fan */
- .pgood_gpio = -1,
- .enable_gpio = -1,
-};
-
-const struct fan_conf fan_conf_1 = {
- .flags = FAN_USE_RPM_MODE,
- .ch = 3, /* Use MFT id to control fan */
- .pgood_gpio = -1,
- .enable_gpio = -1,
-};
-
-const struct fan_rpm fan_rpm_0 = {
- .rpm_min = 1000,
- .rpm_start = 1000,
- .rpm_max = 6350,
-};
-
-const struct fan_t fans[] = {
- { .conf = &fan_conf_0, .rpm = &fan_rpm_0, },
- { .conf = &fan_conf_1, .rpm = &fan_rpm_0, },
-};
-BUILD_ASSERT(ARRAY_SIZE(fans) == CONFIG_FANS);
-
-/* I2C ports */
-const struct i2c_port_t i2c_ports[] = {
- {"batt_chg", 0, 100, GPIO_I2C0_SCL, GPIO_I2C0_SDA},
- {"lightbar", 1, 400, GPIO_I2C1_SCL, GPIO_I2C1_SDA},
- {"thermal", 5, 100, GPIO_I2C5_SCL, GPIO_I2C5_SDA},
-};
-const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
-
-#define TEMP_U40_REG_ADDR_FLAGS (0x40 | I2C_FLAG_BIG_ENDIAN)
-#define TEMP_U41_REG_ADDR_FLAGS (0x44 | I2C_FLAG_BIG_ENDIAN)
-#define TEMP_U42_REG_ADDR_FLAGS (0x41 | I2C_FLAG_BIG_ENDIAN)
-#define TEMP_U43_REG_ADDR_FLAGS (0x45 | I2C_FLAG_BIG_ENDIAN)
-#define TEMP_U115_REG_ADDR_FLAGS (0x42 | I2C_FLAG_BIG_ENDIAN)
-#define TEMP_U116_REG_ADDR_FLAGS (0x43 | I2C_FLAG_BIG_ENDIAN)
-
-#define TEMP_U40_ADDR_FLAGS TMP006_ADDR(I2C_PORT_THERMAL,\
- TEMP_U40_REG_ADDR_FLAGS)
-#define TEMP_U41_ADDR_FLAGS TMP006_ADDR(I2C_PORT_THERMAL,\
- TEMP_U41_REG_ADDR_FLAGS)
-#define TEMP_U42_ADDR_FLAGS TMP006_ADDR(I2C_PORT_THERMAL,\
- TEMP_U42_REG_ADDR_FLAGS)
-#define TEMP_U43_ADDR_FLAGS TMP006_ADDR(I2C_PORT_THERMAL,\
- TEMP_U43_REG_ADDR_FLAGS)
-#define TEMP_U115_ADDR_FLAGS TMP006_ADDR(I2C_PORT_THERMAL,\
- TEMP_U115_REG_ADDR_FLAGS)
-#define TEMP_U116_ADDR_FLAGS TMP006_ADDR(I2C_PORT_THERMAL,\
- TEMP_U116_REG_ADDR_FLAGS)
-
-const struct tmp006_t tmp006_sensors[TMP006_COUNT] = {
- {"Charger", TEMP_U40_ADDR_FLAGS},
- {"CPU", TEMP_U41_ADDR_FLAGS},
- {"Left C", TEMP_U42_ADDR_FLAGS},
- {"Right C", TEMP_U43_ADDR_FLAGS},
- {"Right D", TEMP_U115_ADDR_FLAGS},
- {"Left D", TEMP_U116_ADDR_FLAGS},
-};
-BUILD_ASSERT(ARRAY_SIZE(tmp006_sensors) == TMP006_COUNT);
-
-/* Temperature sensors data; must be in same order as enum temp_sensor_id. */
-const struct temp_sensor_t temp_sensors[] = {
- {"PECI", TEMP_SENSOR_TYPE_CPU, peci_temp_sensor_get_val, 0, 2},
- {"ECInternal", TEMP_SENSOR_TYPE_BOARD, chip_temp_sensor_get_val, 0, 4},
- {"I2C-Charger-Die", TEMP_SENSOR_TYPE_BOARD, tmp006_get_val, 0, 7},
- {"I2C-Charger-Object", TEMP_SENSOR_TYPE_CASE, tmp006_get_val, 1, 7},
- {"I2C-CPU-Die", TEMP_SENSOR_TYPE_BOARD, tmp006_get_val, 2, 7},
- {"I2C-CPU-Object", TEMP_SENSOR_TYPE_CASE, tmp006_get_val, 3, 7},
- {"I2C-Left C-Die", TEMP_SENSOR_TYPE_BOARD, tmp006_get_val, 4, 7},
- {"I2C-Left C-Object", TEMP_SENSOR_TYPE_CASE, tmp006_get_val, 5, 7},
- {"I2C-Right C-Die", TEMP_SENSOR_TYPE_BOARD, tmp006_get_val, 6, 7},
- {"I2C-Right C-Object", TEMP_SENSOR_TYPE_CASE, tmp006_get_val, 7, 7},
- {"I2C-Right D-Die", TEMP_SENSOR_TYPE_BOARD, tmp006_get_val, 8, 7},
- {"I2C-Right D-Object", TEMP_SENSOR_TYPE_CASE, tmp006_get_val, 9, 7},
- {"I2C-Left D-Die", TEMP_SENSOR_TYPE_BOARD, tmp006_get_val, 10, 7},
- {"I2C-Left D-Object", TEMP_SENSOR_TYPE_CASE, tmp006_get_val, 11, 7},
- {"Battery", TEMP_SENSOR_TYPE_BATTERY, charge_get_battery_temp, 0, 4},
-};
-BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT);
-
-/* ALS instances. Must be in same order as enum als_id. */
-struct als_t als[] = {
- {"ISL", isl29035_init, isl29035_read_lux, 5},
-};
-BUILD_ASSERT(ARRAY_SIZE(als) == ALS_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 */
- {{C_TO_K(95), C_TO_K(101), C_TO_K(104)},
- {0, 0, 0}, C_TO_K(55), C_TO_K(90)}, /* PECI */
- {{0, 0, 0}, {0, 0, 0}, 0, 0}, /* EC */
- {{0, 0, 0}, {0, 0, 0}, C_TO_K(41), C_TO_K(55)}, /* Charger die */
- {{0, 0, 0}, {0, 0, 0}, 0, 0},
- {{0, 0, 0}, {0, 0, 0}, C_TO_K(35), C_TO_K(49)}, /* CPU die */
- {{0, 0, 0}, {0, 0, 0}, 0, 0},
- {{0, 0, 0}, {0, 0, 0}, 0, 0}, /* Left C die */
- {{0, 0, 0}, {0, 0, 0}, 0, 0},
- {{0, 0, 0}, {0, 0, 0}, 0, 0}, /* Right C die */
- {{0, 0, 0}, {0, 0, 0}, 0, 0},
- {{0, 0, 0}, {0, 0, 0}, 0, 0}, /* Right D die */
- {{0, 0, 0}, {0, 0, 0}, 0, 0},
- {{0, 0, 0}, {0, 0, 0}, C_TO_K(43), C_TO_K(54)}, /* Left D die */
- {{0, 0, 0}, {0, 0, 0}, 0, 0},
- {{0, 0, 0}, {0, 0, 0}, 0, 0}, /* Battery */
-};
-BUILD_ASSERT(ARRAY_SIZE(thermal_params) == TEMP_SENSOR_COUNT);
-
-struct keyboard_scan_config keyscan_config = {
- .output_settle_us = 40,
- .debounce_down_us = 6 * MSEC,
- .debounce_up_us = 30 * MSEC,
- .scan_period_us = 1500,
- .min_post_scan_delay_us = 1000,
- .poll_timeout_us = SECOND,
- .actual_key_mask = {
- 0x14, 0xff, 0xff, 0xff, 0xff, 0xf5, 0xff,
- 0xa4, 0xff, 0xf6, 0x55, 0xfa, 0xc8 /* full set */
- },
-};
-
-/* Initialize board. */
-static void board_init(void)
-{
- gpio_enable_interrupt(GPIO_PD_MCU_INT);
-}
-DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
-
-#ifdef CONFIG_BATTERY_PRESENT_CUSTOM
-/**
- * Physical check of battery presence.
- */
-enum battery_present battery_is_present(void)
-{
- /*
- * This pin has a pullup, so if it's not completely pegged there's
- * something attached. Probably a battery.
- */
- int analog_val = adc_read_channel(ADC_CH_BAT_TEMP);
- return analog_val < (9 * ADC_READ_MAX / 10) ? BP_YES : BP_NO;
-}
-#endif
-
-static int discharging_on_ac;
-
-/**
- * Discharge battery when on AC power for factory test.
- */
-int board_discharge_on_ac(int enable)
-{
- int rv = charger_discharge_on_ac(enable);
-
- if (rv == EC_SUCCESS)
- discharging_on_ac = enable;
-
- return rv;
-}
-
-/**
- * Check if we are discharging while connected to AC
- */
-int board_is_discharging_on_ac(void)
-{
- return discharging_on_ac;
-}
-
-/**
- * Reset PD MCU
- */
-void board_reset_pd_mcu(void)
-{
- gpio_set_level(GPIO_USB_MCU_RST, 1);
- usleep(100);
- gpio_set_level(GPIO_USB_MCU_RST, 0);
-}
-
-void sensor_board_proc_double_tap(void)
-{
- lightbar_sequence(LIGHTBAR_TAP);
-}
-
-const int usb_port_enable[CONFIG_USB_PORT_POWER_SMART_PORT_COUNT] = {
- GPIO_USB1_ENABLE,
- GPIO_USB2_ENABLE,
-};
-
-/* Base Sensor mutex */
-static struct mutex g_base_mutex;
-
-/* Lid Sensor mutex */
-static struct mutex g_lid_mutex;
-
-/* kxcj9 local/private data */
-struct kionix_accel_data g_kxcj9_data;
-
-/* lsm6ds0 local sensor data (per-sensor) */
-struct lsm6ds0_data g_saved_data[2];
-
-/* Four Motion sensors */
-/* Matrix to rotate accelrator 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 = {
- { 0, FLOAT_TO_FP(1), 0},
- {FLOAT_TO_FP(-1), 0, 0},
- { 0, 0, FLOAT_TO_FP(-1)}
-};
-
-struct motion_sensor_t motion_sensors[] = {
- /*
- * Note: lsm6ds0: supports accelerometer and gyro sensor
- * Requirement: accelerometer sensor must init before gyro sensor
- * DO NOT change the order of the following table.
- */
- {.name = "Base",
- .active_mask = SENSOR_ACTIVE_S0_S3_S5,
- .chip = MOTIONSENSE_CHIP_LSM6DS0,
- .type = MOTIONSENSE_TYPE_ACCEL,
- .location = MOTIONSENSE_LOC_BASE,
- .drv = &lsm6ds0_drv,
- .mutex = &g_base_mutex,
- .drv_data = &g_saved_data[0],
- .port = I2C_PORT_ACCEL,
- .i2c_spi_addr_flags = LSM6DS0_ADDR1_FLAGS,
- .rot_standard_ref = &base_standard_ref,
- .default_range = 2, /* g, enough for laptop. */
- .min_frequency = LSM6DS0_ACCEL_MIN_FREQ,
- .max_frequency = LSM6DS0_ACCEL_MAX_FREQ,
- .config = {
- /* EC use accel for angle detection */
- [SENSOR_CONFIG_EC_S0] = {
- .odr = 119000 | ROUND_UP_FLAG,
- .ec_rate = 100 * MSEC,
- },
- /* Used for double tap */
- [SENSOR_CONFIG_EC_S3] = {
- .odr = TAP_ODR_LSM6DS0 | ROUND_UP_FLAG,
- .ec_rate = CONFIG_GESTURE_SAMPLING_INTERVAL_MS * MSEC,
- },
- [SENSOR_CONFIG_EC_S5] = {
- .odr = TAP_ODR_LSM6DS0 | ROUND_UP_FLAG,
- .ec_rate = CONFIG_GESTURE_SAMPLING_INTERVAL_MS * MSEC,
- },
- },
- },
-
- {.name = "Lid",
- .active_mask = SENSOR_ACTIVE_S0,
- .chip = MOTIONSENSE_CHIP_KXCJ9,
- .type = MOTIONSENSE_TYPE_ACCEL,
- .location = MOTIONSENSE_LOC_LID,
- .drv = &kionix_accel_drv,
- .mutex = &g_lid_mutex,
- .drv_data = &g_kxcj9_data,
- .port = I2C_PORT_ACCEL,
- .i2c_spi_addr_flags = KXCJ9_ADDR0_FLAGS,
- .rot_standard_ref = &lid_standard_ref,
- .default_range = 2, /* g, enough for laptop. */
- .min_frequency = KXCJ9_ACCEL_MIN_FREQ,
- .max_frequency = KXCJ9_ACCEL_MAX_FREQ,
- .config = {
- /* EC use accel for angle detection */
- [SENSOR_CONFIG_EC_S0] = {
- .odr = 100000 | ROUND_UP_FLAG,
- .ec_rate = 100 * MSEC,
- },
- },
- },
-
- {.name = "Base Gyro",
- .active_mask = SENSOR_ACTIVE_S0_S3_S5,
- .chip = MOTIONSENSE_CHIP_LSM6DS0,
- .type = MOTIONSENSE_TYPE_GYRO,
- .location = MOTIONSENSE_LOC_BASE,
- .drv = &lsm6ds0_drv,
- .mutex = &g_base_mutex,
- .drv_data = &g_saved_data[1],
- .port = I2C_PORT_ACCEL,
- .i2c_spi_addr_flags = LSM6DS0_ADDR1_FLAGS,
- .rot_standard_ref = NULL,
- .default_range = 2000, /* g, enough for laptop. */
- .min_frequency = LSM6DS0_GYRO_MIN_FREQ,
- .max_frequency = LSM6DS0_GYRO_MAX_FREQ,
- },
-
-};
-const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors);
-
-#ifdef CONFIG_LOW_POWER_IDLE
-void jtag_interrupt(enum gpio_signal signal)
-{
- /*
- * This interrupt is the first sign someone is trying to use
- * the JTAG. Disable slow speed sleep so that the JTAG action
- * can take place.
- */
- disable_sleep(SLEEP_MASK_JTAG);
-
- /*
- * Once we get this interrupt, disable it from occurring again
- * to avoid repeated interrupts when debugging via JTAG.
- */
- gpio_disable_interrupt(GPIO_JTAG_TCK);
-}
-#endif /* CONFIG_LOW_POWER_IDLE */
-
-
-enum ec_error_list keyboard_scancode_callback(uint16_t *make_code,
- int8_t pressed)
-{
- const uint16_t k = *make_code;
- static uint8_t s;
- static const uint16_t a[] = {
- SCANCODE_UP, SCANCODE_UP, SCANCODE_DOWN, SCANCODE_DOWN,
- SCANCODE_LEFT, SCANCODE_RIGHT, SCANCODE_LEFT, SCANCODE_RIGHT,
- SCANCODE_B, SCANCODE_A};
-
- if (!pressed)
- return EC_SUCCESS;
-
- /* Lightbar demo mode: keyboard can fake the battery state */
- switch (k) {
- case SCANCODE_UP:
- demo_battery_level(1);
- break;
- case SCANCODE_DOWN:
- demo_battery_level(-1);
- break;
- case SCANCODE_LEFT:
- demo_is_charging(0);
- break;
- case SCANCODE_RIGHT:
- demo_is_charging(1);
- break;
- case SCANCODE_F6: /* dim */
- demo_brightness(-1);
- break;
- case SCANCODE_F7: /* bright */
- demo_brightness(1);
- break;
- case SCANCODE_T:
- demo_tap();
- break;
- }
-
- if (k == a[s])
- s++;
- else if (k != a[0])
- s = 0;
- else if (s != 2)
- s = 1;
-
- if (s == ARRAY_SIZE(a)) {
- s = 0;
- lightbar_sequence(LIGHTBAR_KONAMI);
- }
- return EC_SUCCESS;
-}
-
-/*
- * Use to define going in to hibernate early if low on battery.
- * HIBERNATE_BATT_PCT specifies the low battery threshold
- * for going into hibernate early, and HIBERNATE_BATT_SEC defines
- * the minimum amount of time to stay in G3 before checking for low
- * battery hibernate.
- */
-#define HIBERNATE_BATT_PCT 10
-#define HIBERNATE_BATT_SEC (3600 * 24)
-
-__override enum critical_shutdown board_system_is_idle(
- uint64_t last_shutdown_time, uint64_t *target, uint64_t now)
-{
- if (charge_get_percent() <= HIBERNATE_BATT_PCT) {
- uint64_t t = last_shutdown_time + HIBERNATE_BATT_SEC * SEC_UL;
- *target = MIN(*target, t);
- }
- return now > *target ?
- CRITICAL_SHUTDOWN_HIBERNATE : CRITICAL_SHUTDOWN_IGNORE;
-}
diff --git a/board/samus/board.h b/board/samus/board.h
deleted file mode 100644
index 1e3154c2e3..0000000000
--- a/board/samus/board.h
+++ /dev/null
@@ -1,227 +0,0 @@
-/* Copyright 2013 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.
- */
-
-/* Configuration for Samus mainboard */
-
-#ifndef __CROS_EC_BOARD_H
-#define __CROS_EC_BOARD_H
-
-/* Debug features */
-#define CONFIG_CONSOLE_CMDHELP
-#define CONFIG_TASK_PROFILING
-
-#undef HEY_USE_BUILTIN_CLKRUN
-
-/* Optional features */
-#define CONFIG_ACCELGYRO_LSM6DS0
-#define CONFIG_ACCEL_KXCJ9
-#define CONFIG_ACCEL_STD_REF_FRAME_OLD
-#define CONFIG_ALS_ISL29035
-#define CONFIG_BOARD_VERSION_GPIO
-#define CONFIG_CMD_ACCELS
-#define CONFIG_CMD_ACCEL_INFO
-#undef CONFIG_BATTERY_CRITICAL_SHUTDOWN_TIMEOUT
-#define CONFIG_BATTERY_CRITICAL_SHUTDOWN_TIMEOUT 60
-#define CONFIG_BATTERY_CUT_OFF
-#define CONFIG_POWER_COMMON
-#define CONFIG_POWER_SHUTDOWN_PAUSE_IN_S5
-#define CONFIG_CHIPSET_CAN_THROTTLE
-#define CONFIG_I2C
-#define CONFIG_I2C_MASTER
-#define CONFIG_KEYBOARD_BOARD_CONFIG
-#define CONFIG_KEYBOARD_PROTOCOL_8042
-#define CONFIG_KEYBOARD_COL2_INVERTED
-#define CONFIG_KEYBOARD_SCANCODE_CALLBACK
-#define CONFIG_LID_ANGLE
-#define CONFIG_LIGHTBAR_POWER_RAILS
-#define CONFIG_LOW_POWER_IDLE
-#define CONFIG_POWER_BUTTON
-#define CONFIG_POWER_BUTTON_X86
-/* Note: not CONFIG_BACKLIGHT_LID. It's handled specially for Samus. */
-#define CONFIG_BACKLIGHT_REQ_GPIO GPIO_PCH_BL_EN
-/* TODO(crosbug.com/p/29467): remove this workaround when possible. */
-#define CONFIG_BATTERY_REQUESTS_NIL_WHEN_DEAD
-#define CONFIG_CHARGER_PROFILE_OVERRIDE
-#define CONFIG_BATTERY_SMART
-#define CONFIG_BATTERY_REVIVE_DISCONNECT
-#define CONFIG_CHARGER
-#define CONFIG_CHARGER_BQ24773
-#define CONFIG_CHARGER_ILIM_PIN_DISABLED
-#define CONFIG_CHARGER_SENSE_RESISTOR 5
-#define CONFIG_CHARGER_SENSE_RESISTOR_AC 10
-#define CONFIG_CHARGER_INPUT_CURRENT 320
-#define CONFIG_CHARGER_DISCHARGE_ON_AC
-#define CONFIG_CHARGER_DISCHARGE_ON_AC_CUSTOM
-#define CONFIG_CHARGER_MIN_BAT_PCT_FOR_POWER_ON 1
-#define CONFIG_FANS 2
-#define CONFIG_FAN_UPDATE_PERIOD 10
-#define CONFIG_FPU
-#define CONFIG_GESTURE_DETECTION
-#define CONFIG_GESTURE_SW_DETECTION
-#define CONFIG_GESTURE_SAMPLING_INTERVAL_MS 5
-#undef CONFIG_HIBERNATE_DELAY_SEC
-#define CONFIG_HIBERNATE_DELAY_SEC (3600 * 24 * 7)
-#define CONFIG_HOSTCMD_PD
-#define CONFIG_HOSTCMD_PD_CHG_CTRL
-#define CONFIG_HOSTCMD_PD_PANIC
-#define CONFIG_PECI_TJMAX 105
-#define CONFIG_PWM
-#define CONFIG_PWM_KBLIGHT
-#define CONFIG_TEMP_SENSOR
-#define CONFIG_TEMP_SENSOR_TMP006
-#define CONFIG_TEMP_SENSOR_POWER_GPIO GPIO_PP3300_DSW_GATED_EN
-#define CONFIG_THROTTLE_AP
-#define CONFIG_UART_HOST 2
-#define CONFIG_USB_PORT_POWER_SMART
-#define CONFIG_USB_PORT_POWER_SMART_DEFAULT_MODE USB_CHARGE_MODE_CDP
-#define CONFIG_USB_PORT_POWER_SMART_INVERTED
-#define GPIO_USB1_ILIM_SEL GPIO_USB1_ILIM_SEL_L
-#define GPIO_USB2_ILIM_SEL GPIO_USB2_ILIM_SEL_L
-#define CONFIG_VBOOT_HASH
-#define CONFIG_WIRELESS
-#define CONFIG_WIRELESS_SUSPEND \
- (EC_WIRELESS_SWITCH_WLAN | EC_WIRELESS_SWITCH_WLAN_POWER)
-/* Do we want EC_WIRELESS_SWITCH_WWAN as well? */
-
-#ifndef __ASSEMBLER__
-
-/* I2C ports */
-#define I2C_PORT_BACKLIGHT 0
-#define I2C_PORT_BATTERY 0
-#define I2C_PORT_CHARGER 0
-#define I2C_PORT_PD_MCU 0
-#define I2C_PORT_ALS 1
-#define I2C_PORT_ACCEL 1
-#define I2C_PORT_LIGHTBAR 1
-#define I2C_PORT_THERMAL 5
-
-/* 13x8 keyboard scanner uses an entire GPIO bank for row inputs */
-#define KB_SCAN_ROW_IRQ LM4_IRQ_GPIOK
-#define KB_SCAN_ROW_GPIO LM4_GPIO_K
-
-/* Host connects to keyboard controller module via LPC */
-#define HOST_KB_BUS_LPC
-
-/* USB ports managed by the EC */
-#define USB_PORT_COUNT 2
-
-#include "gpio_signal.h"
-
-/* x86 signal definitions */
-enum x86_signal {
- X86_PGOOD_PP1050 = 0,
- X86_PGOOD_PP1200,
- X86_PGOOD_PP1800,
- X86_PGOOD_VCORE,
-
- X86_SLP_S0_DEASSERTED,
- X86_SLP_S3_DEASSERTED,
- X86_SLP_S5_DEASSERTED,
- X86_SLP_SUS_DEASSERTED,
- X86_SUSWARN_DEASSERTED,
-
- /* Number of X86 signals */
- POWER_SIGNAL_COUNT
-};
-
-enum adc_channel {
- /* EC internal die temperature in degrees K. */
- ADC_CH_EC_TEMP = 0,
- /* BAT_TEMP */
- ADC_CH_BAT_TEMP,
-
- ADC_CH_COUNT
-};
-
-enum pwm_channel {
- PWM_CH_KBLIGHT,
-
- /* Number of PWM channels */
- PWM_CH_COUNT
-};
-
-enum temp_sensor_id {
- /* CPU die temperature via PECI */
- TEMP_SENSOR_CPU_PECI,
- /* EC internal temperature sensor */
- TEMP_SENSOR_EC_INTERNAL,
- /* TMP006 U40, die/object temperature near battery charger */
- TEMP_SENSOR_I2C_U40_DIE,
- TEMP_SENSOR_I2C_U40_OBJECT,
- /* TMP006 U41, die/object temperature near CPU */
- TEMP_SENSOR_I2C_U41_DIE,
- TEMP_SENSOR_I2C_U41_OBJECT,
- /* TMP006 U42, die/object temperature left side of C-case */
- TEMP_SENSOR_I2C_U42_DIE,
- TEMP_SENSOR_I2C_U42_OBJECT,
- /* TMP006 U43, die/object temperature right side of C-case */
- TEMP_SENSOR_I2C_U43_DIE,
- TEMP_SENSOR_I2C_U43_OBJECT,
- /* TMP006 U115, die/object temperature right side of D-case */
- TEMP_SENSOR_I2C_U115_DIE,
- TEMP_SENSOR_I2C_U115_OBJECT,
- /* TMP006 U116, die/object temperature left side of D-case */
- TEMP_SENSOR_I2C_U116_DIE,
- TEMP_SENSOR_I2C_U116_OBJECT,
-
- /* Battery temperature sensor */
- TEMP_SENSOR_BATTERY,
-
- TEMP_SENSOR_COUNT
-};
-
-enum sensor_id {
- BASE_ACCEL,
- LID_ACCEL,
- BASE_GYRO,
- SENSOR_COUNT,
-};
-
-/* The number of TMP006 sensor chips on the board. */
-#define TMP006_COUNT 6
-
-/* Light sensors attached to the EC. */
-enum als_id {
- ALS_ISL29035 = 0,
-
- ALS_COUNT,
-};
-
-/* Wireless signals */
-#define WIRELESS_GPIO_WLAN GPIO_WLAN_OFF_L
-#define WIRELESS_GPIO_WLAN_POWER GPIO_PP3300_WLAN_EN
-
-/* Discharge battery when on AC power for factory test. */
-int board_is_discharging_on_ac(void);
-
-/* Reset PD MCU */
-void board_reset_pd_mcu(void);
-
-/* Backboost detected interrupt */
-void bkboost_det_interrupt(enum gpio_signal signal);
-
-/* Interrupt handler for JTAG clock */
-void jtag_interrupt(enum gpio_signal signal);
-
-/* Bit masks for turning on PP5000 rail in G3 */
-#define PP5000_IN_G3_AC BIT(0)
-#define PP5000_IN_G3_LIGHTBAR BIT(1)
-
-/* Enable/disable PP5000 rail mask in G3 */
-void set_pp5000_in_g3(int mask, int enable);
-
-/* Define for sensor tasks */
-#define CONFIG_GESTURE_SENSOR_DOUBLE_TAP 0
-#define CONFIG_GESTURE_TAP_OUTER_WINDOW_T 200
-#define CONFIG_GESTURE_TAP_INNER_WINDOW_T 30
-#define CONFIG_GESTURE_TAP_MIN_INTERSTICE_T 120
-#define CONFIG_GESTURE_TAP_MAX_INTERSTICE_T 500
-
-#define CONFIG_LID_ANGLE_SENSOR_BASE BASE_ACCEL
-#define CONFIG_LID_ANGLE_SENSOR_LID LID_ACCEL
-
-#endif /* !__ASSEMBLER__ */
-
-#endif /* __CROS_EC_BOARD_H */
diff --git a/board/samus/build.mk b/board/samus/build.mk
deleted file mode 100644
index 183605fc62..0000000000
--- a/board/samus/build.mk
+++ /dev/null
@@ -1,16 +0,0 @@
-# -*- makefile -*-
-# Copyright 2013 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.
-#
-# Board specific files build
-#
-
-# the IC is TI Stellaris LM4
-CHIP:=lm4
-
-# Samus has board-specific chipset code, and the tests don't
-# compile with it. Disable them for now.
-test-list-y=
-
-board-y=battery.o board.o power_sequence.o panel.o extpower.o
diff --git a/board/samus/ec.tasklist b/board/samus/ec.tasklist
deleted file mode 100644
index 345892a64b..0000000000
--- a/board/samus/ec.tasklist
+++ /dev/null
@@ -1,22 +0,0 @@
-/* Copyright 2013 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.
- */
-
-/**
- * See CONFIG_TASK_LIST in config.h for details.
- */
-#define CONFIG_TASK_LIST \
- TASK_ALWAYS(HOOKS, hook_task, NULL, LARGER_TASK_STACK_SIZE) \
- TASK_ALWAYS(ALS, als_task, NULL, TASK_STACK_SIZE) \
- TASK_NOTEST(LIGHTBAR, lightbar_task, NULL, LARGER_TASK_STACK_SIZE) \
- TASK_ALWAYS(CHARGER, charger_task, NULL, LARGER_TASK_STACK_SIZE) \
- TASK_ALWAYS(EXTPOWER, extpower_task, NULL, TASK_STACK_SIZE) \
- TASK_NOTEST(MOTIONSENSE, motion_sense_task, NULL, LARGER_TASK_STACK_SIZE) \
- TASK_NOTEST(CHIPSET, chipset_task, NULL, LARGER_TASK_STACK_SIZE) \
- TASK_NOTEST(KEYPROTO, keyboard_protocol_task, NULL, TASK_STACK_SIZE) \
- TASK_NOTEST(PDCMD, pd_command_task, NULL, TASK_STACK_SIZE) \
- TASK_ALWAYS(HOSTCMD, host_command_task, NULL, TASK_STACK_SIZE) \
- TASK_ALWAYS(CONSOLE, console_task, NULL, LARGER_TASK_STACK_SIZE) \
- TASK_ALWAYS(POWERBTN, power_button_task, NULL, LARGER_TASK_STACK_SIZE) \
- TASK_NOTEST(KEYSCAN, keyboard_scan_task, NULL, TASK_STACK_SIZE)
diff --git a/board/samus/extpower.c b/board/samus/extpower.c
deleted file mode 100644
index 22cd13b44d..0000000000
--- a/board/samus/extpower.c
+++ /dev/null
@@ -1,441 +0,0 @@
-/* Copyright 2013 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.
- */
-
-/*
- * Pure GPIO-based external power detection, buffered to PCH.
- * Drive high in S5-S0 when AC_PRESENT is high, otherwise drive low.
- */
-
-#include "bq24773.h"
-#include "charge_state.h"
-#include "charger.h"
-#include "chipset.h"
-#include "common.h"
-#include "console.h"
-#include "extpower.h"
-#include "gpio.h"
-#include "hooks.h"
-#include "host_command.h"
-#include "i2c.h"
-#include "system.h"
-#include "task.h"
-#include "util.h"
-
-/* Console output macros */
-#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args)
-
-/* Max number of attempts to enable/disable NVDC charger */
-#define CHARGER_MODE_ATTEMPTS 3
-
-/* Backboost has been detected */
-static int bkboost_detected;
-
-/* Charging is disabled */
-static int charge_is_disabled;
-
-/* Extpower task has been initialized */
-static int extpower_task_initialized;
-
-/*
- * Charge circuit occasionally gets wedged and doesn't charge.
- * This variable keeps track of the state of the circuit.
- */
-static enum {
- CHARGE_CIRCUIT_OK,
- CHARGE_CIRCUIT_WEDGED,
-} charge_circuit_state = CHARGE_CIRCUIT_OK;
-
-int extpower_is_present(void)
-{
- return gpio_get_level(GPIO_AC_PRESENT);
-}
-
-static void extpower_buffer_to_pch(void)
-{
- if (chipset_in_state(CHIPSET_STATE_HARD_OFF)) {
- /* Drive low in G3 state */
- gpio_set_level(GPIO_PCH_ACOK, 0);
- } else {
- /* Buffer from extpower in S5+ (where 3.3DSW enabled) */
- gpio_set_level(GPIO_PCH_ACOK, extpower_is_present());
- }
-}
-DECLARE_HOOK(HOOK_CHIPSET_PRE_INIT, extpower_buffer_to_pch, HOOK_PRIO_DEFAULT);
-
-static void extpower_shutdown(void)
-{
- /* Drive ACOK buffer to PCH low when shutting down */
- gpio_set_level(GPIO_PCH_ACOK, 0);
-}
-DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, extpower_shutdown, HOOK_PRIO_DEFAULT);
-
-void extpower_interrupt(enum gpio_signal signal)
-{
- /* Trigger notification of external power change */
- extpower_buffer_to_pch();
-
- /* Wake extpower task only if task has been initialized */
- if (extpower_task_initialized)
- task_wake(TASK_ID_EXTPOWER);
-}
-
-static void extpower_init(void)
-{
- extpower_buffer_to_pch();
-
- /* Enable interrupts, now that we've initialized */
- gpio_enable_interrupt(GPIO_AC_PRESENT);
-}
-DECLARE_HOOK(HOOK_INIT, extpower_init, HOOK_PRIO_DEFAULT);
-
-/*
- * Save power in S3/S5/G3 by disabling charging when the battery is
- * full. Restore charging when battery is not full anymore. This saves
- * power because our input AC path is inefficient.
- */
-
-static void check_charging_cutoff(void)
-{
- /* If battery is full disable charging */
- if (charge_get_percent() == 100) {
- charge_is_disabled = 1;
- host_command_pd_send_status(PD_CHARGE_NONE);
- }
-}
-DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, check_charging_cutoff, HOOK_PRIO_DEFAULT);
-
-static void cancel_charging_cutoff(void)
-{
- /* If charging is disabled, enable it */
- if (charge_is_disabled) {
- charge_is_disabled = 0;
- host_command_pd_send_status(PD_CHARGE_5V);
- }
-}
-DECLARE_HOOK(HOOK_CHIPSET_RESUME, cancel_charging_cutoff, HOOK_PRIO_DEFAULT);
-
-static void batt_soc_change(void)
-{
- /* If in S0, leave charging alone */
- if (chipset_in_state(CHIPSET_STATE_ON)) {
- host_command_pd_send_status(PD_CHARGE_NO_CHANGE);
- return;
- }
-
- /* Check to disable or enable charging based on batt state of charge */
- if (!charge_is_disabled && charge_get_percent() == 100) {
- host_command_pd_send_status(PD_CHARGE_NONE);
- charge_is_disabled = 1;
- } else if (charge_is_disabled && charge_get_percent() < 100) {
- charge_is_disabled = 0;
- host_command_pd_send_status(PD_CHARGE_5V);
- } else {
- /* Leave charging alone, but update battery SOC */
- host_command_pd_send_status(PD_CHARGE_NO_CHANGE);
- }
-}
-DECLARE_HOOK(HOOK_BATTERY_SOC_CHANGE, batt_soc_change, HOOK_PRIO_DEFAULT);
-
-/**
- * Enable/disable NVDC charger to control AC to system and battery.
- */
-static void charger_disable(int disable)
-{
- int i, rv;
-
- for (i = 0; i < CHARGER_MODE_ATTEMPTS; i++) {
- rv = charger_discharge_on_ac(disable);
- if (rv == EC_SUCCESS)
- return;
- }
-
- CPRINTS("Setting learn mode %d failed!", disable);
-}
-
-static void allow_max_request(void)
-{
- int prochot_status;
- if (charge_circuit_state == CHARGE_CIRCUIT_WEDGED) {
- /* Read PROCHOT status register to clear it */
- i2c_read8(I2C_PORT_CHARGER, BQ24773_ADDR_FLAGS,
- BQ24773_PROCHOT_STATUS, &prochot_status);
- charge_circuit_state = CHARGE_CIRCUIT_OK;
- }
- host_command_pd_send_status(PD_CHARGE_MAX);
-}
-DECLARE_DEFERRED(allow_max_request);
-
-static void allow_min_charging(void)
-{
- if (!charge_is_disabled && charge_circuit_state == CHARGE_CIRCUIT_OK)
- host_command_pd_send_status(PD_CHARGE_5V);
-}
-DECLARE_DEFERRED(allow_min_charging);
-
-static void extpower_board_hacks(int extpower, int extpower_prev)
-{
- /* Cancel deferred attempt to enable max charge request */
- hook_call_deferred(&allow_max_request_data, -1);
-
- /*
- * When AC is detected, delay briefly before allowing PD
- * to negotiate up to the max voltage to give charge circuit
- * time to settle down. When AC goes away, disable charging
- * for a brief time, allowing charge state machine time to
- * see AC has gone away, and then set PD to only allow
- * 5V charging for the next time AC is connected.
- *
- * Use NVDC charger learn mode (charger_disable()) when AC
- * is not present to avoid backboosting when AC is plugged in.
- *
- * When in G3, PP5000 needs to be enabled to accurately sense
- * CC voltage when AC is attached. When AC is disconnceted
- * it needs to be off to save power.
- */
- if (extpower && !extpower_prev) {
- /* AC connected */
- charger_disable(0);
- hook_call_deferred(&allow_max_request_data, 500*MSEC);
- set_pp5000_in_g3(PP5000_IN_G3_AC, 1);
- } else if (extpower && extpower_prev) {
- /*
- * Glitch on AC_PRESENT, attempt to recover from
- * backboost
- */
- host_command_pd_send_status(PD_CHARGE_NONE);
- } else {
- /* AC disconnected */
- if (!charge_is_disabled &&
- charge_circuit_state == CHARGE_CIRCUIT_OK)
- host_command_pd_send_status(PD_CHARGE_NONE);
-
- charger_disable(1);
-
- hook_call_deferred(&allow_min_charging_data, 100*MSEC);
- set_pp5000_in_g3(PP5000_IN_G3_AC, 0);
- }
- extpower_prev = extpower;
-}
-
-/* Return boostin_voltage or negative if error */
-static int get_boostin_voltage(void)
-{
- /* Static structs to save stack space */
- static struct ec_response_usb_pd_power_info pd_power_ret;
- static struct ec_params_usb_pd_power_info pd_power_args;
- int ret;
- int err;
-
- /* Boost-in voltage is maximum of voltage now on each port */
- pd_power_args.port = 0;
- err = pd_host_command(EC_CMD_USB_PD_POWER_INFO, 0,
- &pd_power_args,
- sizeof(struct ec_params_usb_pd_power_info),
- &pd_power_ret,
- sizeof(struct ec_response_usb_pd_power_info));
- if (err < 0)
- return err;
- ret = pd_power_ret.meas.voltage_now;
-
- pd_power_args.port = 1;
- err = pd_host_command(EC_CMD_USB_PD_POWER_INFO, 0,
- &pd_power_args,
- sizeof(struct ec_params_usb_pd_power_info),
- &pd_power_ret,
- sizeof(struct ec_response_usb_pd_power_info));
- if (err < 0)
- return err;
-
- /* Get max of two measuremente */
- if (pd_power_ret.meas.voltage_now > ret)
- ret = pd_power_ret.meas.voltage_now;
-
- return ret;
-}
-
-/*
- * Send command to PD to write a custom persistent log entry indicating that
- * charging was wedged. Returns pd_host_command success status.
- */
-static int log_charge_wedged(void)
-{
- static struct ec_params_pd_write_log_entry log_args;
-
- log_args.type = PD_EVENT_MCU_BOARD_CUSTOM;
- log_args.port = 0;
-
- return pd_host_command(EC_CMD_PD_WRITE_LOG_ENTRY, 0,
- &log_args,
- sizeof(struct ec_params_pd_write_log_entry),
- NULL, 0);
-}
-
-/* Time interval between checking if charge circuit is wedged */
-#define CHARGE_WEDGE_CHECK_INTERVAL (2*SECOND)
-
-/*
- * Number of iterations through check_charge_wedged() with charging stalled
- * before attempting unwedge.
- */
-#define CHARGE_STALLED_COUNT 5
-/*
- * Number of iterations through check_charge_wedged() with charging stalled
- * after we already just tried unwedging the circuit, before we try again.
- */
-#define CHARGE_STALLED_REPEATEDLY_COUNT 60
-
-/*
- * Minimum number of iterations through check_charge_wedged() between
- * unwedge attempts.
- */
-#define MIN_COUNTS_BETWEEN_UNWEDGES 3
-
-static void check_charge_wedged(void)
-{
- int rv, prochot_status, batt_discharging_on_ac, boostin_voltage = 0;
- static int counts_since_wedged;
- static int charge_stalled_count = CHARGE_STALLED_COUNT;
- uint8_t *batt_flags = host_get_memmap(EC_MEMMAP_BATT_FLAG);
-
- if (charge_circuit_state == CHARGE_CIRCUIT_OK) {
- /* Check PROCHOT warning */
- rv = i2c_read8(I2C_PORT_CHARGER, BQ24773_ADDR_FLAGS,
- BQ24773_PROCHOT_STATUS, &prochot_status);
- if (rv)
- prochot_status = 0;
-
- batt_discharging_on_ac =
- (*batt_flags & EC_BATT_FLAG_AC_PRESENT) &&
- (*batt_flags & EC_BATT_FLAG_DISCHARGING);
-
- /*
- * If PROCHOT is set or we are discharging on AC, then we
- * need to know boostin_voltage.
- */
- if (prochot_status || batt_discharging_on_ac)
- boostin_voltage = get_boostin_voltage();
-
- /*
- * If AC is present, and battery is discharging, and
- * boostin voltage is above 5V, then we might be wedged.
- */
- if (batt_discharging_on_ac) {
- if (boostin_voltage > 6000)
- charge_stalled_count--;
- else if (boostin_voltage >= 0)
- charge_stalled_count = CHARGE_STALLED_COUNT;
- /* If boostin_voltage < 0, don't change stalled count */
- } else {
- charge_stalled_count = CHARGE_STALLED_COUNT;
- }
-
- /*
- * If we were recently wedged, then give ourselves a free pass
- * here. This gives an opportunity for reading the PROCHOT
- * status to clear it if the error has gone away.
- */
- if (counts_since_wedged < MIN_COUNTS_BETWEEN_UNWEDGES)
- counts_since_wedged++;
-
- /*
- * If PROCHOT is asserted AND boost_in voltage is above 5V,
- * then charge circuit is wedged. If charging has been stalled
- * long enough, then also consider the circuit wedged.
- *
- * To unwedge the charge circuit turn on learn mode and notify
- * PD to disable charging on all ports.
- * Note: learn mode is critical here because when in this state
- * backboosting causes >20V on boostin even after PD disables
- * CHARGE_EN lines.
- */
- if ((prochot_status && boostin_voltage > 6000 &&
- counts_since_wedged >= MIN_COUNTS_BETWEEN_UNWEDGES) ||
- charge_stalled_count <= 0) {
- counts_since_wedged = 0;
- host_command_pd_send_status(PD_CHARGE_NONE);
- charger_disable(1);
- charge_circuit_state = CHARGE_CIRCUIT_WEDGED;
- log_charge_wedged();
- CPRINTS("Charge wedged! PROCHOT %02x, Stalled: %d",
- prochot_status, charge_stalled_count);
-
- /*
- * If this doesn't clear the problem, then start
- * the stall counter higher so that we don't retry
- * unwedging for a while. Note, if we do start charging
- * properly, then stall counter will be set to
- * default, so that we will trigger faster the first
- * time it stalls out.
- */
- charge_stalled_count = CHARGE_STALLED_REPEATEDLY_COUNT;
- }
- } else {
- /*
- * Charge circuit is wedged and we already disabled charging,
- * Now start to recover from wedged state by allowing 5V.
- */
- host_command_pd_send_status(PD_CHARGE_5V);
- }
-}
-
-/**
- * Task to handle external power change
- */
-void extpower_task(void)
-{
- int extpower = extpower_is_present();
- int extpower_prev = 0;
-
- extpower_board_hacks(extpower, extpower_prev);
- extpower_prev = extpower;
- extpower_task_initialized = 1;
-
- /* Enable backboost detection interrupt */
- gpio_enable_interrupt(GPIO_BKBOOST_DET);
-
- while (1) {
- if (task_wait_event(CHARGE_WEDGE_CHECK_INTERVAL) ==
- TASK_EVENT_TIMER) {
- /*
- * If we are NOT purposely discharging on AC, then
- * periodically check if charge circuit is wedged.
- */
- if (!board_is_discharging_on_ac())
- check_charge_wedged();
- } else {
- /* Must have received power change interrupt */
- extpower = extpower_is_present();
-
- /* Various board hacks to run on extpower change */
- extpower_board_hacks(extpower, extpower_prev);
- extpower_prev = extpower;
-
- hook_notify(HOOK_AC_CHANGE);
-
- /* Forward notification to host */
- if (extpower)
- host_set_single_event(
- EC_HOST_EVENT_AC_CONNECTED);
- else
- host_set_single_event(
- EC_HOST_EVENT_AC_DISCONNECTED);
- }
- }
-}
-
-void bkboost_det_interrupt(enum gpio_signal signal)
-{
- /* Backboost has been detected, save it, and disable interrupt */
- bkboost_detected = 1;
- gpio_disable_interrupt(GPIO_BKBOOST_DET);
-}
-
-static int command_backboost_det(int argc, char **argv)
-{
- ccprintf("Backboost detected: %d\n", bkboost_detected);
- return EC_SUCCESS;
-}
-DECLARE_CONSOLE_COMMAND(bkboost, command_backboost_det, NULL,
- "Read backboost detection");
diff --git a/board/samus/gpio.inc b/board/samus/gpio.inc
deleted file mode 100644
index 1b49c58bd0..0000000000
--- a/board/samus/gpio.inc
+++ /dev/null
@@ -1,122 +0,0 @@
-/* -*- mode:c -*-
- *
- * Copyright 2014 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.
- */
-
-/* Declare symbolic names for all the GPIOs that we care about.
- * Note: Those with interrupt handlers must be declared first. */
-
-GPIO_INT(POWER_BUTTON_L, PIN(A, 2), GPIO_INT_BOTH_DSLEEP, power_button_interrupt) /* Power button */
-GPIO_INT(LID_OPEN, PIN(A, 3), GPIO_INT_BOTH_DSLEEP, lid_interrupt) /* Lid switch */
-GPIO_INT(AC_PRESENT, PIN(H, 3), GPIO_INT_BOTH_DSLEEP, extpower_interrupt) /* AC power present */
-GPIO_INT(PCH_SLP_S0_L, PIN(G, 6), GPIO_INT_BOTH, power_signal_interrupt) /* SLP_S0# signal from PCH */
-GPIO_INT(PCH_SLP_S3_L, PIN(G, 7), GPIO_INT_BOTH_DSLEEP, power_signal_interrupt) /* SLP_S3# signal from PCH */
-GPIO_INT(PCH_SLP_S5_L, PIN(H, 1), GPIO_INT_BOTH_DSLEEP, power_signal_interrupt) /* SLP_S5# signal from PCH */
-GPIO_INT(PCH_SLP_SUS_L, PIN(G, 3), GPIO_INT_BOTH, power_signal_interrupt) /* SLP_SUS# signal from PCH */
-GPIO_INT(PCH_SUSWARN_L, PIN(G, 2), GPIO_INT_BOTH, power_signal_interrupt) /* SUSWARN# signal from PCH */
-GPIO_INT(PP1050_PGOOD, PIN(H, 4), GPIO_INT_BOTH, power_signal_interrupt) /* Power good on 1.05V */
-GPIO_INT(PP1200_PGOOD, PIN(H, 6), GPIO_INT_BOTH, power_signal_interrupt) /* Power good on 1.2V (DRAM) */
-GPIO_INT(PP1800_PGOOD, PIN(L, 7), GPIO_INT_BOTH, power_signal_interrupt) /* Power good on 1.8V (DRAM) */
-GPIO_INT(VCORE_PGOOD, PIN(C, 6), GPIO_INT_BOTH, power_signal_interrupt) /* Power good on core VR */
-GPIO_INT(WP_L, PIN(A, 4), GPIO_INT_BOTH, switch_interrupt) /* Write protect input */
-GPIO_INT(PCH_BL_EN, PIN(M, 3), GPIO_INT_RISING, backlight_interrupt) /* PCH backlight input */
-GPIO_INT(JTAG_TCK, PIN(C, 0), GPIO_DEFAULT, jtag_interrupt) /* JTAG clock input */
-GPIO_INT(UART0_RX, PIN(A, 0), GPIO_PULL_UP | GPIO_INT_BOTH_DSLEEP, uart_deepsleep_interrupt) /* UART0 RX input */
-GPIO_INT(BKBOOST_DET, PIN(B, 5), GPIO_INT_RISING, bkboost_det_interrupt) /* Backboost detect */
-
-/* Interrupt signal from PD MCU, external pull-down */
-GPIO_INT(PD_MCU_INT, PIN(J, 5), GPIO_INT_RISING | GPIO_INT_DSLEEP, pd_mcu_interrupt)
-
-/*
- * Combined accelerometer input. This will become an interrupt, once we have
- * support for it.
- */
-GPIO(ACCEL_INT, PIN(F, 7), GPIO_INPUT)
-
-/*
- * Ambient Light Sensor input. This could become an interrupt once supported.
- */
-GPIO(ALS_INT_L, PIN(N, 0), GPIO_INPUT)
-
-/* Other inputs */
-GPIO(BOARD_VERSION1, PIN(Q, 7), GPIO_INPUT) /* Board version stuffing resistor 1 */
-GPIO(BOARD_VERSION2, PIN(Q, 6), GPIO_INPUT) /* Board version stuffing resistor 2 */
-GPIO(BOARD_VERSION3, PIN(Q, 5), GPIO_INPUT) /* Board version stuffing resistor 3 */
-GPIO(USB1_OC_L, PIN(E, 7), GPIO_INPUT) /* USB port overcurrent warning */
-GPIO(USB1_STATUS_L, PIN(E, 6), GPIO_INPUT) /* USB charger port 1 status output */
-GPIO(USB2_OC_L, PIN(E, 0), GPIO_INPUT) /* USB port overcurrent warning */
-GPIO(USB2_STATUS_L, PIN(D, 7), GPIO_INPUT) /* USB charger port 2 status output */
-GPIO(PD_IN_RW, PIN(A, 5), GPIO_INPUT) /* PD is in RW */
-GPIO(PCH_HDA_SDO_L, PIN(G, 1), GPIO_INPUT) /* HDA_SDO signal to PCH to disable ME */
-
-/* Outputs; all unasserted by default except for reset signals */
-GPIO(CPU_PROCHOT, PIN(B, 1), GPIO_OUT_LOW) /* Force CPU to think it's overheated */
-GPIO(PP1200_EN, PIN(H, 5), GPIO_OUT_LOW) /* Enable 1.20V supply */
-GPIO(PP3300_DSW_EN, PIN(F, 6), GPIO_OUT_LOW) /* Enable 3.3V DSW rail */
-GPIO(PP3300_DSW_GATED_EN, PIN(J, 3), GPIO_OUT_LOW) /* Enable 3.3V Gated DSW and core VDD */
-GPIO(PP3300_LTE_EN, PIN(D, 2), GPIO_OUT_LOW) /* Enable LTE radio */
-GPIO(PP3300_WLAN_EN, PIN(J, 0), GPIO_OUT_LOW) /* Enable WiFi power */
-GPIO(PP1050_EN, PIN(C, 7), GPIO_OUT_LOW) /* Enable 1.05V regulator */
-GPIO(PP5000_USB_EN, PIN(C, 5), GPIO_OUT_LOW) /* Enable USB power */
-GPIO(PP5000_EN, PIN(H, 7), GPIO_OUT_LOW) /* Enable 5V supply */
-GPIO(PP1800_EN, PIN(L, 6), GPIO_OUT_LOW) /* Enable 1.8V supply */
-GPIO(SYS_PWROK, PIN(H, 2), GPIO_OUT_LOW) /* EC thinks everything is up and ready */
-GPIO(WLAN_OFF_L, PIN(J, 4), GPIO_OUT_LOW) /* Disable WiFi radio */
-GPIO(USB_MCU_RST, PIN(B, 0), GPIO_OUT_LOW) /* USB PD MCU reset */
-GPIO(ENABLE_BACKLIGHT, PIN(M, 7), GPIO_OUT_LOW) /* Enable backlight power */
-GPIO(ENABLE_TOUCHPAD, PIN(N, 1), GPIO_OUT_LOW) /* Enable touchpad power */
-GPIO(ENTERING_RW, PIN(D, 3), GPIO_OUT_LOW) /* Indicate when EC is entering RW code */
-GPIO(LIGHTBAR_RESET_L, PIN(J, 2), GPIO_ODR_LOW) /* Reset lightbar controllers */
-GPIO(PCH_DPWROK, PIN(G, 0), GPIO_OUT_LOW) /* Indicate when VccDSW is good */
-GPIO(PCH_RSMRST_L, PIN(C, 4), GPIO_OUT_LOW) /* Reset PCH resume power plane logic */
-GPIO(PCH_RTCRST_L, PIN(J, 1), GPIO_ODR_HIGH) /* Reset PCH RTC well */
-GPIO(PCH_WAKE_L, PIN(F, 0), GPIO_ODR_HIGH) /* Wake signal from EC to PCH */
-GPIO(PCH_NMI_L, PIN(F, 2), GPIO_ODR_HIGH) /* Non-maskable interrupt pin to PCH */
-GPIO(PCH_PWRBTN_L, PIN(H, 0), GPIO_ODR_HIGH) /* Power button output to PCH */
-GPIO(PCH_PWROK, PIN(F, 5), GPIO_OUT_LOW) /* PWROK / APWROK signals to PCH */
-GPIO(PCH_RCIN_L, PIN(F, 3), GPIO_ODR_HIGH) /* RCIN# line to PCH (for 8042 emulation) */
-GPIO(PCH_SYS_RST_L, PIN(F, 1), GPIO_ODR_HIGH) /* Reset PCH resume power plane logic */
-GPIO(PCH_SMI_L, PIN(F, 4), GPIO_ODR_HIGH) /* System management interrupt to PCH */
-GPIO(TOUCHSCREEN_RESET_L, PIN(N, 7), GPIO_ODR_LOW) /* Reset touch screen */
-GPIO(PCH_ACOK, PIN(M, 6), GPIO_OUT_LOW) /* AC present signal buffered to PCH */
-#ifndef HEY_USE_BUILTIN_CLKRUN
-GPIO(LPC_CLKRUN_L, PIN(M, 2), GPIO_ODR_HIGH) /* Dunno. Probably important, though. */
-#endif
-GPIO(USB1_CTL1, PIN(E, 1), GPIO_OUT_LOW) /* USB charger port 1 CTL1 output */
-GPIO(USB1_CTL2, PIN(E, 2), GPIO_OUT_HIGH) /* USB charger port 1 CTL2 output */
-GPIO(USB1_CTL3, PIN(E, 3), GPIO_OUT_LOW) /* USB charger port 1 CTL3 output */
-GPIO(USB1_ENABLE, PIN(E, 4), GPIO_OUT_HIGH) /* USB charger port 1 enable */
-GPIO(USB1_ILIM_SEL_L, PIN(E, 5), GPIO_OUT_HIGH) /* USB charger port 1 ILIM_SEL output */
-GPIO(USB2_CTL1, PIN(D, 0), GPIO_OUT_LOW) /* USB charger port 2 CTL1 output */
-GPIO(USB2_CTL2, PIN(D, 1), GPIO_OUT_HIGH) /* USB charger port 2 CTL2 output */
-GPIO(USB2_CTL3, PIN(D, 4), GPIO_OUT_LOW) /* USB charger port 2 CTL3 output */
-GPIO(USB2_ENABLE, PIN(D, 5), GPIO_OUT_HIGH) /* USB charger port 2 enable */
-GPIO(USB2_ILIM_SEL_L, PIN(D, 6), GPIO_OUT_HIGH) /* USB charger port 2 ILIM_SEL output */
-
-GPIO(I2C0_SCL, PIN(B, 2), GPIO_ODR_HIGH) /* I2C port 0 SCL */
-GPIO(I2C0_SDA, PIN(B, 3), GPIO_ODR_HIGH) /* I2C port 0 SDA */
-GPIO(I2C1_SCL, PIN(A, 6), GPIO_ODR_HIGH) /* I2C port 1 SCL */
-GPIO(I2C1_SDA, PIN(A, 7), GPIO_ODR_HIGH) /* I2C port 1 SDA */
-GPIO(I2C5_SCL, PIN(B, 6), GPIO_ODR_HIGH) /* I2C port 5 SCL */
-GPIO(I2C5_SDA, PIN(B, 7), GPIO_ODR_HIGH) /* I2C port 5 SDA */
-
-ALTERNATE(PIN_MASK(A, 0x03), 1, MODULE_UART, 0) /* UART0 */
-ALTERNATE(PIN_MASK(A, 0x40), 3, MODULE_I2C, 0) /* I2C1 SCL */
-ALTERNATE(PIN_MASK(A, 0x80), 3, MODULE_I2C, GPIO_OPEN_DRAIN) /* I2C1 SDA */
-ALTERNATE(PIN_MASK(B, 0x04), 3, MODULE_I2C, 0) /* I2C0 SCL */
-ALTERNATE(PIN_MASK(B, 0x08), 3, MODULE_I2C, GPIO_OPEN_DRAIN) /* I2C0 SDA */
-ALTERNATE(PIN_MASK(B, 0x40), 3, MODULE_I2C, 0) /* I2C5 SCL */
-ALTERNATE(PIN_MASK(B, 0x80), 3, MODULE_I2C, GPIO_OPEN_DRAIN) /* I2C5 SDA */
-ALTERNATE(PIN_MASK(G, 0x30), 1, MODULE_UART, 0) /* UART2 */
-ALTERNATE(PIN_MASK(J, 0x40), 1, MODULE_PECI, 0) /* PECI Tx */
-ALTERNATE(PIN_MASK(J, 0x80), 0, MODULE_PECI, GPIO_ANALOG) /* PECI Rx */
-ALTERNATE(PIN_MASK(L, 0x3f), 15, MODULE_LPC, 0) /* LPC */
-ALTERNATE(PIN_MASK(M, 0x33), 15, MODULE_LPC, 0) /* LPC */
-#ifdef HEY_USE_BUILTIN_CLKRUN
-ALTERNATE(PIN_MASK(M, 0x04), 15, MODULE_LPC, GPIO_OPEN_DRAIN) /* LPC */
-#endif
-
-ALTERNATE(PIN_MASK(N, 0x3c), 1, MODULE_PWM, 0) /* FAN0PWM 2&3 */
-ALTERNATE(PIN_MASK(N, 0x40), 1, MODULE_PWM, 0) /* FAN0PWM4 */
diff --git a/board/samus/panel.c b/board/samus/panel.c
deleted file mode 100644
index b3fe6060aa..0000000000
--- a/board/samus/panel.c
+++ /dev/null
@@ -1,195 +0,0 @@
-/* Copyright 2013 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.
- */
-
-#include "chipset.h"
-#include "common.h"
-#include "console.h"
-#include "gpio.h"
-#include "hooks.h"
-#include "host_command.h"
-#include "i2c.h"
-#include "lid_switch.h"
-#include "timer.h"
-
-#define CPRINTS(format, args...) cprints(CC_I2C, format, ## args)
-
-#define I2C_ADDR_BACKLIGHT_FLAGS (0x2C | I2C_FLAG_BIG_ENDIAN)
-#define I2C_RETRIES 3
-#define I2C_RETRY_DELAY (5*MSEC)
-
-#define LP8555_REG_COMMAND 0x00
-#define LP8555_REG_COMMAND_ON 0x01
-#define LP8555_REG_CONFIG 0x10
-#define LP8555_REG_CONFIG_MODE_MASK 0x03
-#define LP8555_REG_CONFIG_MODE_PWM 0x00
-#define LP8555_REG_CURRENT 0x11
-#define LP8555_REG_CURRENT_MAXCURR_5MA 0x00
-#define LP8555_REG_CURRENT_MAXCURR_10MA 0x01
-#define LP8555_REG_CURRENT_MAXCURR_15MA 0x02
-#define LP8555_REG_CURRENT_MAXCURR_20MA 0x03
-#define LP8555_REG_CURRENT_MAXCURR_23MA 0x04
-#define LP8555_REG_CURRENT_MAXCURR_25MA 0x05
-#define LP8555_REG_CURRENT_MAXCURR_30MA 0x06
-#define LP8555_REG_CURRENT_MAXCURR_50MA 0x07
-#define LP8555_REG_STEP 0x15
-#define LP8555_REG_STEP_STEP_0MS (0 << 0)
-#define LP8555_REG_STEP_STEP_8MS BIT(0)
-#define LP8555_REG_STEP_STEP_16MS (2 << 0)
-#define LP8555_REG_STEP_STEP_24MS (3 << 0)
-#define LP8555_REG_STEP_STEP_28MS (4 << 0)
-#define LP8555_REG_STEP_STEP_32MS (5 << 0)
-#define LP8555_REG_STEP_STEP_100MS (6 << 0)
-#define LP8555_REG_STEP_STEP_200MS (7 << 0)
-#define LP8555_REG_STEP_PWM_IN_HYST_NONE (0 << 3)
-#define LP8555_REG_STEP_PWM_IN_HYST_1LSB BIT(3)
-#define LP8555_REG_STEP_PWM_IN_HYST_2LSB (2 << 3)
-#define LP8555_REG_STEP_PWM_IN_HYST_4LSB (3 << 3)
-#define LP8555_REG_STEP_PWM_IN_HYST_8LSB (4 << 3)
-#define LP8555_REG_STEP_PWM_IN_HYST_16LSB (5 << 3)
-#define LP8555_REG_STEP_PWM_IN_HYST_32LSB (6 << 3)
-#define LP8555_REG_STEP_PWM_IN_HYST_64LSB (7 << 3)
-#define LP8555_REG_STEP_SMOOTH_NONE (0 << 6)
-#define LP8555_REG_STEP_SMOOTH_LIGHT BIT(6)
-#define LP8555_REG_STEP_SMOOTH_MEDIUM (2 << 6)
-#define LP8555_REG_STEP_SMOOTH_HEAVY (3 << 6)
-
-/* Read from lp8555 with automatic i2c retries */
-static int lp8555_read_with_retry(int reg, int *data)
-{
- int i, rv;
-
- for (i = 0; i < I2C_RETRIES; i++) {
- rv = i2c_read8(I2C_PORT_BACKLIGHT,
- I2C_ADDR_BACKLIGHT_FLAGS,
- reg, data);
- if (rv == EC_SUCCESS)
- return EC_SUCCESS;
- usleep(I2C_RETRY_DELAY);
- }
-
- CPRINTS("Backlight read fail: reg 0x%02x", reg);
- return rv;
-}
-
-/* Write to lp8555 with automatic i2c retries */
-static int lp8555_write_with_retry(int reg, int data)
-{
- int i, rv;
-
- for (i = 0; i < I2C_RETRIES; i++) {
- rv = i2c_write8(I2C_PORT_BACKLIGHT,
- I2C_ADDR_BACKLIGHT_FLAGS,
- reg, data);
- if (rv == EC_SUCCESS)
- return EC_SUCCESS;
- usleep(I2C_RETRY_DELAY);
- }
-
- CPRINTS("Backlight write fail: reg 0x%02x data %d", reg, data);
- return rv;
-}
-
-/**
- * Setup backlight controller and turn it on.
- */
-static void lp8555_enable_pwm_mode(void)
-{
- int reg;
- int rv;
-
- /*
- * If not in S0, then PCH backlight enable will not be on, and if
- * lid is closed EC backlight enable will not be on. Since these
- * two signals are AND'ed together, no point in trying to talk to
- * the lp8555 if either one of them is not true.
- */
- if (!chipset_in_state(CHIPSET_STATE_ON) || !lid_is_open())
- return;
-
- /* Enable PWM mode. */
- rv = lp8555_read_with_retry(LP8555_REG_CONFIG, &reg);
- if (rv != EC_SUCCESS)
- return;
- reg &= ~LP8555_REG_CONFIG_MODE_MASK;
- reg |= LP8555_REG_CONFIG_MODE_PWM;
- rv = lp8555_write_with_retry(LP8555_REG_CONFIG, reg);
- if (rv != EC_SUCCESS)
- return;
-
- /* Set max LED current to 23mA. */
- rv = lp8555_write_with_retry(LP8555_REG_CURRENT,
- LP8555_REG_CURRENT_MAXCURR_23MA);
- if (rv != EC_SUCCESS)
- return;
-
- /* Set the rate of brightness change. */
- rv = lp8555_write_with_retry(LP8555_REG_STEP,
- LP8555_REG_STEP_STEP_200MS |
- LP8555_REG_STEP_PWM_IN_HYST_8LSB |
- LP8555_REG_STEP_SMOOTH_HEAVY);
- if (rv != EC_SUCCESS)
- return;
-
- /* Power on. */
- rv = lp8555_read_with_retry(LP8555_REG_COMMAND, &reg);
- if (rv != EC_SUCCESS)
- return;
- reg |= LP8555_REG_COMMAND_ON;
- rv = lp8555_write_with_retry(LP8555_REG_COMMAND, reg);
-}
-DECLARE_DEFERRED(lp8555_enable_pwm_mode);
-
-/**
- * Host command to toggle backlight.
- */
-static enum ec_status
-switch_command_enable_backlight(struct host_cmd_handler_args *args)
-{
- const struct ec_params_switch_enable_backlight *p = args->params;
-
- gpio_set_level(GPIO_ENABLE_BACKLIGHT, p->enabled);
-
- if (p->enabled)
- lp8555_enable_pwm_mode();
-
- return EC_RES_SUCCESS;
-}
-DECLARE_HOST_COMMAND(EC_CMD_SWITCH_ENABLE_BKLIGHT,
- switch_command_enable_backlight,
- EC_VER_MASK(0));
-
-void backlight_interrupt(enum gpio_signal signal)
-{
- /*
- * PCH indicates it is turning on backlight so we should
- * attempt to put the backlight controller into PWM mode.
- */
- hook_call_deferred(&lp8555_enable_pwm_mode_data, 0);
-}
-
-/**
- * Update backlight state.
- */
-static void update_backlight(void)
-{
- /*
- * Enable backlight if lid is open; this is AND'd with the request from
- * the AP in hardware.
- */
- gpio_set_level(GPIO_ENABLE_BACKLIGHT, lid_is_open());
- if (lid_is_open())
- hook_call_deferred(&lp8555_enable_pwm_mode_data, 0);
-}
-DECLARE_HOOK(HOOK_LID_CHANGE, update_backlight, HOOK_PRIO_DEFAULT);
-
-/**
- * Initialize backlight module.
- */
-static void backlight_init(void)
-{
- gpio_enable_interrupt(GPIO_PCH_BL_EN);
- gpio_set_level(GPIO_ENABLE_BACKLIGHT, lid_is_open());
-}
-DECLARE_HOOK(HOOK_INIT, backlight_init, HOOK_PRIO_DEFAULT);
diff --git a/board/samus/power_sequence.c b/board/samus/power_sequence.c
deleted file mode 100644
index 20109fe803..0000000000
--- a/board/samus/power_sequence.c
+++ /dev/null
@@ -1,560 +0,0 @@
-/* Copyright 2013 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.
- */
-
-/* X86 chipset power control module for Chrome EC */
-
-#include "battery.h"
-#include "charge_state.h"
-#include "chipset.h"
-#include "common.h"
-#include "console.h"
-#include "extpower.h"
-#include "i2c.h"
-#include "lb_common.h"
-#include "gpio.h"
-#include "hooks.h"
-#include "lid_switch.h"
-#include "power.h"
-#include "registers.h"
-#include "system.h"
-#include "task.h"
-#include "timer.h"
-#include "util.h"
-#include "wireless.h"
-
-/* Console output macros */
-#define CPUTS(outstr) cputs(CC_CHIPSET, outstr)
-#define CPRINTS(format, args...) cprints(CC_CHIPSET, format, ## args)
-
-/* Input state flags */
-#define IN_PGOOD_PP1050 POWER_SIGNAL_MASK(X86_PGOOD_PP1050)
-#define IN_PGOOD_PP1200 POWER_SIGNAL_MASK(X86_PGOOD_PP1200)
-#define IN_PGOOD_PP1800 POWER_SIGNAL_MASK(X86_PGOOD_PP1800)
-#define IN_PGOOD_VCORE POWER_SIGNAL_MASK(X86_PGOOD_VCORE)
-
-#define IN_PCH_SLP_S0_DEASSERTED POWER_SIGNAL_MASK(X86_SLP_S0_DEASSERTED)
-#define IN_PCH_SLP_S3_DEASSERTED POWER_SIGNAL_MASK(X86_SLP_S3_DEASSERTED)
-#define IN_PCH_SLP_S5_DEASSERTED POWER_SIGNAL_MASK(X86_SLP_S5_DEASSERTED)
-#define IN_PCH_SLP_SUS_DEASSERTED POWER_SIGNAL_MASK(X86_SLP_SUS_DEASSERTED)
-
-
-/* All non-core power rails */
-#define IN_PGOOD_ALL_NONCORE (IN_PGOOD_PP1050)
-/* All core power rails */
-#define IN_PGOOD_ALL_CORE (IN_PGOOD_VCORE)
-/* Rails required for S3 */
-#define IN_PGOOD_S3 (IN_PGOOD_PP1200)
-/* Rails required for S0 */
-#define IN_PGOOD_S0 (IN_PGOOD_ALL_NONCORE)
-/* Rails used to detect if PP5000 is up. 1.8V PGOOD is not
- * a reliable signal to use here with an internal pullup. */
-#define IN_PGOOD_PP5000 (IN_PGOOD_PP1050 | IN_PGOOD_PP1200)
-
-
-/* All PM_SLP signals from PCH deasserted */
-#define IN_ALL_PM_SLP_DEASSERTED (IN_PCH_SLP_S3_DEASSERTED | \
- IN_PCH_SLP_S5_DEASSERTED | \
- IN_PCH_SLP_SUS_DEASSERTED)
-
-/* All inputs in the right state for S0 */
-#define IN_ALL_S0 (IN_PGOOD_ALL_NONCORE | IN_PGOOD_ALL_CORE | \
- IN_ALL_PM_SLP_DEASSERTED)
-
-static int throttle_cpu; /* Throttle CPU? */
-static uint32_t pp5000_in_g3; /* Turn PP5000 on in G3? */
-
-void chipset_force_shutdown(enum chipset_shutdown_reason reason)
-{
- CPRINTS("%s(%d)", __func__, reason);
- report_ap_reset(reason);
-
- /*
- * Force off. This condition will reset once the state machine
- * transitions to G3.
- */
- gpio_set_level(GPIO_PCH_DPWROK, 0);
- gpio_set_level(GPIO_PCH_RSMRST_L, 0);
-}
-
-static void chipset_force_g3(void)
-{
- CPRINTS("Forcing G3");
-
- gpio_disable_interrupt(GPIO_VCORE_PGOOD);
- gpio_set_level(GPIO_PCH_PWROK, 0);
- gpio_set_level(GPIO_SYS_PWROK, 0);
- gpio_set_level(GPIO_PP1050_EN, 0);
- gpio_set_level(GPIO_PP1200_EN, 0);
- gpio_set_level(GPIO_PP1800_EN, 0);
- gpio_set_level(GPIO_PP3300_DSW_GATED_EN, 0);
- gpio_set_level(GPIO_PP5000_USB_EN, 0);
- /* Disable PP5000 if allowed */
- if (!pp5000_in_g3)
- gpio_set_level(GPIO_PP5000_EN, 0);
- gpio_set_level(GPIO_PCH_RSMRST_L, 0);
- gpio_set_level(GPIO_PCH_DPWROK, 0);
- gpio_set_level(GPIO_PP3300_DSW_EN, 0);
- wireless_set_state(WIRELESS_OFF);
-}
-
-static void chipset_reset_rtc(void)
-{
- /*
- * Assert RTCRST# to the PCH long enough for it to latch the
- * assertion and reset the internal RTC backed state.
- */
- CPRINTS("Asserting RTCRST# to PCH");
- gpio_set_level(GPIO_PCH_RTCRST_L, 0);
- udelay(100);
- gpio_set_level(GPIO_PCH_RTCRST_L, 1);
- udelay(10 * MSEC);
-}
-
-void chipset_reset(enum chipset_reset_reason reason)
-{
- CPRINTS("%s(%d)", __func__, reason);
- report_ap_reset(reason);
-
- /*
- * Send a RCIN# pulse to the PCH. This just causes it to
- * assert INIT# to the CPU without dropping power or asserting
- * PLTRST# to reset the rest of the system.
- */
-
- /*
- * Pulse must be at least 16 PCI clocks long = 500 ns.
- */
- gpio_set_level(GPIO_PCH_RCIN_L, 0);
- udelay(10);
- gpio_set_level(GPIO_PCH_RCIN_L, 1);
-}
-
-void chipset_throttle_cpu(int throttle)
-{
- if (chipset_in_state(CHIPSET_STATE_ON))
- gpio_set_level(GPIO_CPU_PROCHOT, throttle);
-}
-
-enum power_state power_chipset_init(void)
-{
- /*
- * If we're switching between images without rebooting, see if the x86
- * is already powered on; if so, leave it there instead of cycling
- * through G3.
- */
- if (system_jumped_to_this_image()) {
- if ((power_get_signals() & IN_ALL_S0) == IN_ALL_S0) {
- /* Disable idle task deep sleep when in S0. */
- disable_sleep(SLEEP_MASK_AP_RUN);
- CPRINTS("already in S0");
- return POWER_S0;
- } else {
- /* Force all signals to their G3 states */
- chipset_force_g3();
- }
- }
-
- return POWER_G3;
-}
-
-enum power_state power_handle_state(enum power_state state)
-{
- struct batt_params batt;
-
- switch (state) {
- case POWER_G3:
- break;
-
- case POWER_S5:
-
- while ((power_get_signals() & IN_PCH_SLP_S5_DEASSERTED) == 0) {
- if (task_wait_event(SECOND*4) == TASK_EVENT_TIMER) {
- CPRINTS("timeout waiting for S5 exit");
- /* Put system in G3 and assert RTCRST# */
- chipset_force_g3();
- chipset_reset_rtc();
- /* Try to power back up after RTC reset */
- return POWER_G3S5;
- }
- }
- return POWER_S5S3; /* Power up to next state */
- break;
-
- case POWER_S3:
- /* Check for state transitions */
- if (!power_has_signals(IN_PGOOD_S3)) {
- /* Required rail went away */
- chipset_force_shutdown(CHIPSET_SHUTDOWN_POWERFAIL);
- return POWER_S3S5;
- } else if (gpio_get_level(GPIO_PCH_SLP_S3_L) == 1) {
- /* Power up to next state */
- return POWER_S3S0;
- } else if (gpio_get_level(GPIO_PCH_SLP_S5_L) == 0) {
- /* Power down to next state */
- return POWER_S3S5;
- }
- break;
-
- case POWER_S0:
- if (!power_has_signals(IN_PGOOD_S0)) {
- /* Required rail went away */
- chipset_force_shutdown(CHIPSET_SHUTDOWN_POWERFAIL);
- return POWER_S0S3;
- } else if (gpio_get_level(GPIO_PCH_SLP_S3_L) == 0) {
- /* Power down to next state */
- return POWER_S0S3;
- }
- break;
-
- case POWER_G3S5:
- /* Return to G3 if battery level is too low */
- if (charge_want_shutdown() ||
- charge_prevent_power_on(0)) {
- CPRINTS("power-up inhibited");
- chipset_force_g3();
- return POWER_G3;
- }
-
- /* Enable 3.3V DSW */
- gpio_set_level(GPIO_PP3300_DSW_EN, 1);
-
- /*
- * Wait 10ms after +3VALW good, since that powers VccDSW and
- * VccSUS.
- */
- msleep(10);
-
- /* Enable PP5000 (5V) rail as 1.05V and 1.2V rails need 5V
- * rail to regulate properly. */
- gpio_set_level(GPIO_PP5000_EN, 1);
-
- /* Wait for PP1050/PP1200 PGOOD to go LOW to
- * indicate that PP5000 is stable */
- while ((power_get_signals() & IN_PGOOD_PP5000) != 0) {
- if (task_wait_event(SECOND) == TASK_EVENT_TIMER) {
- CPRINTS("timeout waiting for PP5000");
- chipset_force_g3();
- return POWER_G3;
- }
- }
-
- /*
- * TODO(crosbug.com/p/31583): Temporary hack to allow booting
- * without battery. If battery is not present here, then delay
- * to give time for PD MCU to negotiate to 20V.
- */
- battery_get_params(&batt);
- if (batt.is_present != BP_YES && !system_is_locked()) {
- CPRINTS("Attempting boot w/o battery, adding delay");
- msleep(500);
- }
-
- /* Assert DPWROK */
- gpio_set_level(GPIO_PCH_DPWROK, 1);
-
- /*
- * Wait for SLP_SUS before enabling 1.05V rail.
- */
- if (power_wait_signals(IN_PCH_SLP_SUS_DEASSERTED)) {
- CPRINTS("timeout waiting for SLP_SUS deassert");
- chipset_force_g3();
- return POWER_G3;
- }
-
- /* Enable PP1050 rail. */
- gpio_set_level(GPIO_PP1050_EN, 1);
-
- /* Wait for 1.05V to come up and CPU to notice */
- if (power_wait_signals(IN_PGOOD_PP1050)) {
- CPRINTS("timeout waiting for PP1050");
- chipset_force_g3();
- return POWER_G3;
- }
-
- /* Add 10ms delay between SUSP_VR and RSMRST */
- msleep(10);
-
- /* Deassert RSMRST# */
- gpio_set_level(GPIO_PCH_RSMRST_L, 1);
-
- /* Wait 5ms for SUSCLK to stabilize */
- msleep(5);
-
- /* Call hook to indicate out of G3 state */
- hook_notify(HOOK_CHIPSET_PRE_INIT);
- return POWER_S5;
-
- case POWER_S5S3:
- /* Turn on power to RAM */
- gpio_set_level(GPIO_PP1800_EN, 1);
- gpio_set_level(GPIO_PP1200_EN, 1);
- if (power_wait_signals(IN_PGOOD_S3)) {
- gpio_set_level(GPIO_PP1800_EN, 0);
- gpio_set_level(GPIO_PP1200_EN, 0);
- chipset_force_shutdown(CHIPSET_SHUTDOWN_WAIT);
- return POWER_S5;
- }
-
- /*
- * Take lightbar out of reset, now that +5VALW is
- * available and we won't leak +3VALW through the reset
- * line.
- */
- i2c_lock(I2C_PORT_LIGHTBAR, 1);
- gpio_set_level(GPIO_LIGHTBAR_RESET_L, 1);
- msleep(1);
- lb_init(0);
- msleep(100);
- i2c_lock(I2C_PORT_LIGHTBAR, 0);
-
- /*
- * Enable touchpad power so it can wake the system from
- * suspend.
- */
- gpio_set_level(GPIO_ENABLE_TOUCHPAD, 1);
-
- /* Turn on USB power rail. */
- gpio_set_level(GPIO_PP5000_USB_EN, 1);
-
- /* Call hooks now that rails are up */
- hook_notify(HOOK_CHIPSET_STARTUP);
- return POWER_S3;
-
- case POWER_S3S0:
- /* Turn on 3.3V DSW gated rail for core regulator */
- gpio_set_level(GPIO_PP3300_DSW_GATED_EN, 1);
-
- /* Wait 20ms before allowing VCCST_PGOOD to rise. */
- msleep(20);
-
- /* Enable wireless. */
- wireless_set_state(WIRELESS_ON);
-
- /* Make sure the touchscreen is on, too. */
- gpio_set_level(GPIO_TOUCHSCREEN_RESET_L, 1);
-
- /* Wait for non-core power rails good */
- if (power_wait_signals(IN_PGOOD_S0)) {
- gpio_set_level(GPIO_TOUCHSCREEN_RESET_L, 0);
- wireless_set_state(WIRELESS_OFF);
- gpio_set_level(GPIO_PP3300_DSW_GATED_EN, 1);
- chipset_force_shutdown(CHIPSET_SHUTDOWN_WAIT);
- return POWER_S3;
- }
-
- /* Call hooks now that rails are up */
- hook_notify(HOOK_CHIPSET_RESUME);
-
- /*
- * Disable idle task deep sleep. This means that the low
- * power idle task will not go into deep sleep while in S0.
- */
- disable_sleep(SLEEP_MASK_AP_RUN);
-
- /*
- * Throttle CPU if necessary. This should only be asserted
- * when +VCCP is powered (it is by now).
- */
- gpio_set_level(GPIO_CPU_PROCHOT, throttle_cpu);
-
- /*
- * VCORE_PGOOD signal buffer is powered by PP1050_VCCST which
- * is gated by SLP_S3 assertion. Now the signal is valid and
- * can be enabled as an interrupt source.
- */
- gpio_enable_interrupt(GPIO_VCORE_PGOOD);
-
- /* Set PCH_PWROK */
- gpio_set_level(GPIO_PCH_PWROK, 1);
-
- /* Wait for VCORE_PGOOD before enabling SYS_PWROK */
- if (power_wait_signals(IN_PGOOD_VCORE)) {
- gpio_disable_interrupt(GPIO_VCORE_PGOOD);
- hook_notify(HOOK_CHIPSET_SUSPEND);
- enable_sleep(SLEEP_MASK_AP_RUN);
- gpio_set_level(GPIO_PCH_PWROK, 0);
- gpio_set_level(GPIO_CPU_PROCHOT, 0);
- gpio_set_level(GPIO_TOUCHSCREEN_RESET_L, 0);
- gpio_set_level(GPIO_PP3300_DSW_GATED_EN, 1);
- wireless_set_state(WIRELESS_OFF);
- chipset_force_shutdown(CHIPSET_SHUTDOWN_WAIT);
- return POWER_S3;
- }
-
- /*
- * Wait a bit for all voltages to be good. PCIe devices need
- * 99ms, but mini-PCIe devices only need 1ms. Intel recommends
- * at least 5ms between ALL_SYS_PWRGD and SYS_PWROK.
- */
- msleep(5);
-
- /* Set SYS_PWROK */
- gpio_set_level(GPIO_SYS_PWROK, 1);
- return POWER_S0;
-
- case POWER_S0S3:
- /* Call hooks before we remove power rails */
- hook_notify(HOOK_CHIPSET_SUSPEND);
-
- /* Clear PCH_PWROK */
- gpio_set_level(GPIO_SYS_PWROK, 0);
- gpio_set_level(GPIO_PCH_PWROK, 0);
-
- /* Wait 40ns */
- udelay(1);
-
- /* Suspend wireless */
- wireless_set_state(WIRELESS_SUSPEND);
-
- /*
- * Enable idle task deep sleep. Allow the low power idle task
- * to go into deep sleep in S3 or lower.
- */
- enable_sleep(SLEEP_MASK_AP_RUN);
-
- /* Put touchscreen in reset */
- gpio_set_level(GPIO_TOUCHSCREEN_RESET_L, 0);
-
- /*
- * Deassert prochot since CPU is off and we're about to drop
- * +VCCP.
- */
- gpio_set_level(GPIO_CPU_PROCHOT, 0);
-
- /* Turn off DSW gated */
- gpio_set_level(GPIO_PP3300_DSW_GATED_EN, 0);
-
- /*
- * VCORE_PGOOD signal buffer is powered by PP1050_VCCST which
- * is gated by SLP_S3 assertion. The signal is no longer
- * valid and should be disabled as an interrupt source.
- */
- gpio_disable_interrupt(GPIO_VCORE_PGOOD);
- return POWER_S3;
-
- case POWER_S3S5:
- /* Call hooks before we remove power rails */
- hook_notify(HOOK_CHIPSET_SHUTDOWN);
-
- /* Disable wireless */
- wireless_set_state(WIRELESS_OFF);
-
- /* Disable peripheral power */
- gpio_set_level(GPIO_ENABLE_TOUCHPAD, 0);
- gpio_set_level(GPIO_PP5000_USB_EN, 0);
-
- /* Turn off power to RAM */
- gpio_set_level(GPIO_PP1800_EN, 0);
- gpio_set_level(GPIO_PP1200_EN, 0);
-
- /*
- * Put touchscreen and lightbar in reset, so we won't
- * leak +3VALW through the reset line to chips powered
- * by +5VALW.
- *
- * (Note that we're no longer powering down +5VALW due
- * to crosbug.com/p/16600, but to minimize side effects
- * of that change we'll still reset these components in
- * S5.)
- */
- gpio_set_level(GPIO_TOUCHSCREEN_RESET_L, 0);
- gpio_set_level(GPIO_LIGHTBAR_RESET_L, 0);
-
- return power_get_pause_in_s5() ? POWER_S5 : POWER_S5G3;
-
- case POWER_S5G3:
- /* Deassert DPWROK */
- gpio_set_level(GPIO_PCH_DPWROK, 0);
-
- /* Assert RSMRST# */
- gpio_set_level(GPIO_PCH_RSMRST_L, 0);
-
- /* Turn off power rails enabled in S5 */
- gpio_set_level(GPIO_PP1050_EN, 0);
-
- /* Check if we can disable PP5000 */
- if (!pp5000_in_g3)
- gpio_set_level(GPIO_PP5000_EN, 0);
-
- /* Disable 3.3V DSW */
- gpio_set_level(GPIO_PP3300_DSW_EN, 0);
- return POWER_G3;
- }
-
- return state;
-}
-
-/**
- * Set PP5000 rail in G3. The mask represents the reason for
- * turning on/off the PP5000 rail in G3, and enable either
- * enables or disables that mask. If any bit is enabled, then
- * the PP5000 rail will remain on. If all bits are cleared,
- * the rail will turn off.
- *
- * @param mask Mask to modify
- * @param enable Enable flag
- */
-void set_pp5000_in_g3(int mask, int enable)
-{
- if (enable)
- atomic_or(&pp5000_in_g3, mask);
- else
- atomic_clear(&pp5000_in_g3, mask);
-
- /* if we are in G3 now, then set the rail accordingly */
- if (chipset_in_state(CHIPSET_STATE_HARD_OFF))
- gpio_set_level(GPIO_PP5000_EN, !!pp5000_in_g3);
-}
-
-#ifdef CONFIG_LIGHTBAR_POWER_RAILS
-/* Returns true if a change was made, NOT the new state */
-int lb_power(int enabled)
-{
- int ret = 0;
- int pp5000_en = gpio_get_level(GPIO_PP5000_EN);
-
- set_pp5000_in_g3(PP5000_IN_G3_LIGHTBAR, enabled);
-
- /* If the AP is on, we don't change the rails. */
- if (!chipset_in_state(CHIPSET_STATE_ANY_OFF))
- return ret;
-
- /* Check if PP5000 rail changed */
- if (gpio_get_level(GPIO_PP5000_EN) != pp5000_en)
- ret = 1;
-
- /*
- * When turning on, we have to wait for the rails to come up
- * fully before we the lightbar ICs will respond. There's not
- * a reliable PGOOD signal for that (I tried), so we just
- * have to wait. These delays seem to work.
- *
- * Note, we should delay even if the PP5000 rail was already
- * enabled because we can't be sure it's been enabled long
- * enough for lightbar IC to respond.
- *
- * Also, the lightbar do not expect other i2c traffic while
- * being power up. Put a lock on the i2c bus.
- * see chrome-os-partner:45223.
- */
- if (enabled) {
- i2c_lock(I2C_PORT_LIGHTBAR, 1);
- msleep(10);
- }
-
- if (enabled != gpio_get_level(GPIO_LIGHTBAR_RESET_L)) {
- ret = 1;
- gpio_set_level(GPIO_LIGHTBAR_RESET_L, enabled);
- msleep(1);
- }
- if (enabled) {
- lb_init(0);
- msleep(100);
- i2c_lock(I2C_PORT_LIGHTBAR, 0);
- }
-
- return ret;
-}
-#endif
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