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Diffstat (limited to 'board/lulu/board.c')
| -rw-r--r-- | board/lulu/board.c | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/board/lulu/board.c b/board/lulu/board.c new file mode 100644 index 0000000000..0f36360450 --- /dev/null +++ b/board/lulu/board.c @@ -0,0 +1,133 @@ +/* Copyright (c) 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. + */ +/* EC for lulu board configuration */ + +#include "adc.h" +#include "adc_chip.h" +#include "backlight.h" +#include "chipset.h" +#include "common.h" +#include "driver/temp_sensor/g781.h" +#include "extpower.h" +#include "fan.h" +#include "gpio.h" +#include "host_command.h" +#include "i2c.h" +#include "jtag.h" +#include "keyboard_scan.h" +#include "lid_switch.h" +#include "peci.h" +#include "power.h" +#include "power_button.h" +#include "registers.h" +#include "switch.h" +#include "temp_sensor.h" +#include "temp_sensor_chip.h" +#include "thermal.h" +#include "timer.h" +#include "uart.h" +#include "util.h" + +#include "gpio_list.h" + +/* power signal list. Must match order of enum power_signal. */ +const struct power_signal_info power_signal_list[] = { + {GPIO_PP5000_PGOOD, 1, "PGOOD_PP5000"}, + {GPIO_PP1350_PGOOD, 1, "PGOOD_PP1350"}, + {GPIO_PP1050_PGOOD, 1, "PGOOD_PP1050"}, + {GPIO_VCORE_PGOOD, 1, "PGOOD_VCORE"}, + {GPIO_PCH_SLP_S0_L, 1, "SLP_S0#_DEASSERTED"}, + {GPIO_PCH_SLP_S3_L, 1, "SLP_S3#_DEASSERTED"}, + {GPIO_PCH_SLP_S5_L, 1, "SLP_S5#_DEASSERTED"}, + {GPIO_PCH_SLP_SUS_L, 1, "SLP_SUS#_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}, + + /* IOUT == ICMNT is on PE3/AIN0 */ + /* We have 0.01-ohm resistors, and IOUT is 20X the differential + * voltage, so 1000mA ==> 200mV. + * ADC returns 0x000-0xFFF, which maps to 0.0-3.3V (as configured). + * mA = 1000 * ADC_VALUE / ADC_READ_MAX * 3300 / 200 + */ + {"ChargerCurrent", LM4_ADC_SEQ1, 33000, ADC_READ_MAX * 2, 0, + LM4_AIN(0), 0x06 /* IE0 | END0 */, LM4_GPIO_E, (1<<3)}, +}; +BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); + +/* Physical fans. These are logically separate from pwm_channels. */ +const struct fan_t fans[] = { + {.flags = FAN_USE_RPM_MODE, + .rpm_min = 1000, + .rpm_max = 5050, + .ch = 2, + .pgood_gpio = GPIO_PP5000_PGOOD, + .enable_gpio = GPIO_PP5000_FAN_EN, + }, +}; +BUILD_ASSERT(ARRAY_SIZE(fans) == CONFIG_FANS); + +/* I2C ports */ +const struct i2c_port_t i2c_ports[] = { + {"batt_chg", 0, 100}, + {"thermal", 5, 100}, +}; +const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); + +/* 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}, + {"G781Internal", TEMP_SENSOR_TYPE_BOARD, g781_get_val, + G781_IDX_INTERNAL, 4}, + {"G781External", TEMP_SENSOR_TYPE_BOARD, g781_get_val, + G781_IDX_EXTERNAL, 4}, +}; +BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_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[] = { + /* Only the AP affects the thermal limits and fan speed. */ + {{C_TO_K(95), C_TO_K(97), C_TO_K(99)}, C_TO_K(55), C_TO_K(85)}, + {{0, 0, 0}, 0, 0}, + {{0, 0, 0}, 0, 0}, + {{0, 0, 0}, 0, 0}, +}; +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, 0xca /* full set */ + }, +}; + +/** + * Discharge battery when on AC power for factory test. + */ +int board_discharge_on_ac(int enable) +{ + if (enable) + gpio_set_level(GPIO_CHARGE_L, 1); + else + gpio_set_level(GPIO_CHARGE_L, 0); + return EC_SUCCESS; +} |