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author | Devin Lu <Devin.Lu@quantatw.com> | 2020-07-27 16:03:26 +0800 |
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committer | Commit Bot <commit-bot@chromium.org> | 2020-07-27 15:56:24 +0000 |
commit | 0266bc078da4e159c30826c393e8ffd15d92ce86 (patch) | |
tree | b5efe287fec0a489b1a9380de323d2a83451f56d /board/burnet/board.c | |
parent | e8dbee540080eb67200f4301fd78761015d0aea6 (diff) | |
download | chrome-ec-0266bc078da4e159c30826c393e8ffd15d92ce86.tar.gz |
burnet: Initial EC image
Create the initial EC image for the burnet variant by copying
the kappa reference board EC files into a new directory named for
the variant.
(Auto-Generated by create_initial_ec_image.sh version 1.0.3).
BUG=b:161768221
BRANCH=firmware-kukui-12573.B
TEST=make BOARD=burnet
Signed-off-by: Devin Lu <Devin.Lu@quantatw.com>
Change-Id: I1f0f15093fff32bc22e68dca02acc5a238a2296e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2319498
Reviewed-by: Ting Shen <phoenixshen@chromium.org>
Diffstat (limited to 'board/burnet/board.c')
-rw-r--r-- | board/burnet/board.c | 312 |
1 files changed, 312 insertions, 0 deletions
diff --git a/board/burnet/board.c b/board/burnet/board.c new file mode 100644 index 0000000000..7a8b2989ae --- /dev/null +++ b/board/burnet/board.c @@ -0,0 +1,312 @@ +/* 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. + */ + +#include "adc.h" +#include "adc_chip.h" +#include "backlight.h" +#include "button.h" +#include "charge_manager.h" +#include "charge_ramp.h" +#include "charge_state.h" +#include "charger.h" +#include "chipset.h" +#include "common.h" +#include "console.h" +#include "driver/accelgyro_bmi_common.h" +#include "driver/battery/max17055.h" +#include "driver/bc12/pi3usb9201.h" +#include "driver/charger/isl923x.h" +#include "driver/sync.h" +#include "driver/tcpm/fusb302.h" +#include "driver/usb_mux/it5205.h" +#include "ec_commands.h" +#include "extpower.h" +#include "gpio.h" +#include "hooks.h" +#include "host_command.h" +#include "i2c.h" +#include "i2c_bitbang.h" +#include "it8801.h" +#include "keyboard_scan.h" +#include "lid_switch.h" +#include "power.h" +#include "power_button.h" +#include "registers.h" +#include "spi.h" +#include "system.h" +#include "tablet_mode.h" +#include "task.h" +#include "tcpm.h" +#include "timer.h" +#include "usb_charge.h" +#include "usb_mux.h" +#include "usb_pd_tcpm.h" +#include "util.h" + +#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args) +#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args) + +static void tcpc_alert_event(enum gpio_signal signal) +{ + schedule_deferred_pd_interrupt(0 /* port */); +} + +#include "gpio_list.h" + +/******************************************************************************/ +/* ADC channels. Must be in the exactly same order as in enum adc_channel. */ +const struct adc_t adc_channels[] = { + [ADC_BOARD_ID] = {"BOARD_ID", 3300, 4096, 0, STM32_AIN(10)}, + [ADC_EC_SKU_ID] = {"EC_SKU_ID", 3300, 4096, 0, STM32_AIN(8)}, + [ADC_BATT_ID] = {"BATT_ID", 3300, 4096, 0, STM32_AIN(7)}, +}; +BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); + +/******************************************************************************/ +/* I2C ports */ +const struct i2c_port_t i2c_ports[] = { + {"typec", 0, 400, GPIO_I2C1_SCL, GPIO_I2C1_SDA}, + {"other", 1, 100, GPIO_I2C2_SCL, GPIO_I2C2_SDA}, +}; +const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); + +const struct i2c_port_t i2c_bitbang_ports[] = { + {"battery", 2, 100, GPIO_I2C3_SCL, GPIO_I2C3_SDA, .drv = &bitbang_drv}, +}; +const unsigned int i2c_bitbang_ports_used = ARRAY_SIZE(i2c_bitbang_ports); + +#define BC12_I2C_ADDR PI3USB9201_I2C_ADDR_3 + +/* power signal list. Must match order of enum power_signal. */ +const struct power_signal_info power_signal_list[] = { + {GPIO_AP_IN_SLEEP_L, POWER_SIGNAL_ACTIVE_LOW, "AP_IN_S3_L"}, + {GPIO_PMIC_EC_RESETB, POWER_SIGNAL_ACTIVE_HIGH, "PMIC_PWR_GOOD"}, +}; +BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT); + +/* Keyboard scan setting */ +struct keyboard_scan_config keyscan_config = { + /* + * TODO(b/133200075): Tune this once we have the final performance + * out of the driver and the i2c bus. + */ + .output_settle_us = 35, + .debounce_down_us = 5 * MSEC, + .debounce_up_us = 40 * MSEC, + .scan_period_us = 10 * MSEC, + .min_post_scan_delay_us = 10 * MSEC, + .poll_timeout_us = 100 * MSEC, + .actual_key_mask = { + 0x14, 0xff, 0xff, 0xff, 0xff, 0xf5, 0xff, + 0xa4, 0xff, 0xfe, 0x55, 0xfa, 0xca /* full set */ + }, +}; + +struct ioexpander_config_t ioex_config[CONFIG_IO_EXPANDER_PORT_COUNT] = { + [0] = { + .i2c_host_port = I2C_PORT_IO_EXPANDER_IT8801, + .i2c_slave_addr = IT8801_I2C_ADDR, + .drv = &it8801_ioexpander_drv, + }, +}; + +/******************************************************************************/ +/* SPI devices */ +/* TODO: to be added once sensors land via CL:1714436 */ +const struct spi_device_t spi_devices[] = { +}; +const unsigned int spi_devices_used = ARRAY_SIZE(spi_devices); + +const struct pi3usb9201_config_t pi3usb9201_bc12_chips[] = { + { + .i2c_port = I2C_PORT_BC12, + .i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS, + }, +}; + +/******************************************************************************/ +const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_MAX_COUNT] = { + { + .bus_type = EC_BUS_TYPE_I2C, + .i2c_info = { + .port = I2C_PORT_TCPC0, + .addr_flags = FUSB302_I2C_SLAVE_ADDR_FLAGS, + }, + .drv = &fusb302_tcpm_drv, + }, +}; + +static void board_hpd_status(const struct usb_mux *me, + int hpd_lvl, int hpd_irq) +{ + /* + * svdm_dp_attention() did most of the work, we only need to notify + * host here. + */ + host_set_single_event(EC_HOST_EVENT_USB_MUX); +} + +const struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = { + { + .usb_port = 0, + .i2c_port = I2C_PORT_USB_MUX, + .i2c_addr_flags = IT5205_I2C_ADDR1_FLAGS, + .driver = &it5205_usb_mux_driver, + .hpd_update = &board_hpd_status, + }, +}; + +uint16_t tcpc_get_alert_status(void) +{ + uint16_t status = 0; + + if (!gpio_get_level(GPIO_USB_C0_PD_INT_ODL)) + status |= PD_STATUS_TCPC_ALERT_0; + + return status; +} + +static int force_discharge; + +int board_set_active_charge_port(int charge_port) +{ + CPRINTS("New chg p%d", charge_port); + + /* ignore all request when discharge mode is on */ + if (force_discharge && charge_port != CHARGE_PORT_NONE) + return EC_SUCCESS; + + switch (charge_port) { + case CHARGE_PORT_USB_C: + /* Don't charge from a source port */ + if (board_vbus_source_enabled(charge_port)) + return -1; + break; + case CHARGE_PORT_NONE: + /* + * To ensure the fuel gauge (max17055) is always powered + * even when battery is disconnected, keep VBAT rail on but + * set the charging current to minimum. + */ + charger_set_current(CHARGER_SOLO, 0); + break; + default: + panic("Invalid charge port\n"); + break; + } + + return EC_SUCCESS; +} + +void board_set_charge_limit(int port, int supplier, int charge_ma, + int max_ma, int charge_mv) +{ + charge_ma = (charge_ma * 95) / 100; + charge_set_input_current_limit(MAX(charge_ma, + CONFIG_CHARGER_INPUT_CURRENT), charge_mv); +} + +int board_discharge_on_ac(int enable) +{ + int ret, port; + + if (enable) { + port = CHARGE_PORT_NONE; + } else { + /* restore the charge port state */ + port = charge_manager_get_override(); + if (port == OVERRIDE_OFF) + port = charge_manager_get_active_charge_port(); + } + + ret = charger_discharge_on_ac(enable); + if (ret) + return ret; + force_discharge = enable; + + return board_set_active_charge_port(port); +} + +int pd_snk_is_vbus_provided(int port) +{ + /* TODO(b:138352732): read IT8801 GPIO EN_USBC_CHARGE_L */ + return EC_ERROR_UNIMPLEMENTED; +} + +void bc12_interrupt(enum gpio_signal signal) +{ + task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_BC12, 0); +} + +static void board_init(void) +{ + /* If the reset cause is external, pulse PMIC force reset. */ + if (system_get_reset_flags() == EC_RESET_FLAG_RESET_PIN) { + gpio_set_level(GPIO_PMIC_FORCE_RESET_ODL, 0); + msleep(100); + gpio_set_level(GPIO_PMIC_FORCE_RESET_ODL, 1); + } + + /* Enable TCPC alert interrupts */ + gpio_enable_interrupt(GPIO_USB_C0_PD_INT_ODL); + +#ifdef SECTION_IS_RW + /* Enable interrupts from BMI160 sensor. */ + gpio_enable_interrupt(GPIO_ACCEL_INT_ODL); +#endif /* SECTION_IS_RW */ + + /* Enable interrupt from PMIC. */ + gpio_enable_interrupt(GPIO_PMIC_EC_RESETB); + + /* Enable BC12 interrupt */ + gpio_enable_interrupt(GPIO_BC12_EC_INT_ODL); +} +DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT); + +/* Motion sensors */ +/* Mutexes */ +#ifdef SECTION_IS_RW +/* TODO: to be added once sensors land via CL:1714436 */ +struct motion_sensor_t motion_sensors[] = { +}; +const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors); + +#endif /* SECTION_IS_RW */ + +/* Called on AP S5 -> S3 transition */ +static void board_chipset_startup(void) +{ + gpio_set_level(GPIO_EN_USBA_5V, 1); +} +DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_chipset_startup, HOOK_PRIO_DEFAULT); + +/* Called on AP S3 -> S5 transition */ +static void board_chipset_shutdown(void) +{ + gpio_set_level(GPIO_EN_USBA_5V, 0); +} +DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, board_chipset_shutdown, HOOK_PRIO_DEFAULT); + +int battery_get_vendor_param(uint32_t param, uint32_t *value) +{ + int rv; + uint8_t data[16] = {}; + + /* only allow reading 0x70~0x7F, 16 byte data */ + if (param < 0x70 || param >= 0x80) + return EC_ERROR_ACCESS_DENIED; + + rv = sb_read_string(0x70, data, sizeof(data)); + if (rv) + return rv; + + *value = data[param - 0x70]; + return EC_SUCCESS; +} + +int battery_set_vendor_param(uint32_t param, uint32_t value) +{ + return EC_ERROR_UNIMPLEMENTED; +} |