diff options
Diffstat (limited to 'zephyr/program/rex/src')
| -rw-r--r-- | zephyr/program/rex/src/board_power.c | 61 | ||||
| -rw-r--r-- | zephyr/program/rex/src/usb_pd_policy.c | 77 | ||||
| -rw-r--r-- | zephyr/program/rex/src/usbc_config.c | 292 |
3 files changed, 0 insertions, 430 deletions
diff --git a/zephyr/program/rex/src/board_power.c b/zephyr/program/rex/src/board_power.c deleted file mode 100644 index 655edaa452..0000000000 --- a/zephyr/program/rex/src/board_power.c +++ /dev/null @@ -1,61 +0,0 @@ -/* Copyright 2022 The ChromiumOS Authors - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -#include "gpio/gpio.h" -#include "gpio_signal.h" - -#include <zephyr/drivers/gpio.h> -#include <zephyr/logging/log.h> - -#include <ap_power/ap_power.h> -#include <ap_power/ap_power_events.h> -#include <ap_power/ap_power_interface.h> -#include <ap_power_override_functions.h> -#include <power_signals.h> -#include <x86_power_signals.h> - -LOG_MODULE_DECLARE(ap_pwrseq, LOG_LEVEL_INF); - -#if CONFIG_X86_NON_DSX_PWRSEQ_MTL -#define X86_NON_DSX_MTL_FORCE_SHUTDOWN_TO_MS 50 - -void board_ap_power_force_shutdown(void) -{ - int timeout_ms = X86_NON_DSX_MTL_FORCE_SHUTDOWN_TO_MS; - - /* Turn off PCH_RMSRST to meet tPCH12 */ - power_signal_set(PWR_EC_PCH_RSMRST, 0); - - /* Turn off PRIM load switch. */ - power_signal_set(PWR_EN_PP3300_A, 0); - - /* Wait RSMRST to be off. */ - while (power_signal_get(PWR_RSMRST) && (timeout_ms > 0)) { - k_msleep(1); - timeout_ms--; - }; - - if (power_signal_get(PWR_RSMRST)) { - LOG_WRN("RSMRST_ODL didn't go low! Assuming G3."); - } -} - -void board_ap_power_action_g3_s5(void) -{ - /* Turn on the PP3300_PRIM rail. */ - power_signal_set(PWR_EN_PP3300_A, 1); - - if (!power_wait_signals_timeout( - IN_PGOOD_ALL_CORE, - AP_PWRSEQ_DT_VALUE(wait_signal_timeout))) { - ap_power_ev_send_callbacks(AP_POWER_PRE_INIT); - } -} - -bool board_ap_power_check_power_rails_enabled(void) -{ - return power_signal_get(PWR_EN_PP3300_A); -} -#endif /* CONFIG_X86_NON_DSX_PWRSEQ_MTL */ diff --git a/zephyr/program/rex/src/usb_pd_policy.c b/zephyr/program/rex/src/usb_pd_policy.c deleted file mode 100644 index 7c78c4ebae..0000000000 --- a/zephyr/program/rex/src/usb_pd_policy.c +++ /dev/null @@ -1,77 +0,0 @@ -/* Copyright 2022 The ChromiumOS Authors - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -/* Shared USB-C policy for Rex boards */ - -#include "charge_manager.h" -#include "chipset.h" -#include "common.h" -#include "compile_time_macros.h" -#include "console.h" -#include "ec_commands.h" -#include "ioexpander.h" -#include "system.h" -#include "usb_mux.h" -#include "usb_pd.h" -#include "usbc_ppc.h" -#include "util.h" - -#include <zephyr/drivers/gpio.h> - -int pd_check_vconn_swap(int port) -{ - /* Allow VCONN swaps if the AP is on. */ - return chipset_in_state(CHIPSET_STATE_ANY_SUSPEND | CHIPSET_STATE_ON); -} - -void pd_power_supply_reset(int port) -{ - /* Disable VBUS. */ - ppc_vbus_source_enable(port, 0); - - /* Enable discharge if we were previously sourcing 5V */ - if (IS_ENABLED(CONFIG_USB_PD_DISCHARGE)) - pd_set_vbus_discharge(port, 1); - - /* Notify host of power info change. */ - pd_send_host_event(PD_EVENT_POWER_CHANGE); -} - -int pd_set_power_supply_ready(int port) -{ - int rv; - - /* Disable charging. */ - rv = ppc_vbus_sink_enable(port, 0); - if (rv) - return rv; - - if (IS_ENABLED(CONFIG_USB_PD_DISCHARGE)) { - pd_set_vbus_discharge(port, 0); - } - - /* Provide Vbus. */ - rv = ppc_vbus_source_enable(port, 1); - if (rv) { - return rv; - } - - /* Notify host of power info change. */ - pd_send_host_event(PD_EVENT_POWER_CHANGE); - - return EC_SUCCESS; -} - -/* Used by Vbus discharge common code with CONFIG_USB_PD_DISCHARGE */ -int board_vbus_source_enabled(int port) -{ - return tcpm_get_src_ctrl(port); -} - -/* Used by USB charger task with CONFIG_USB_PD_5V_EN_CUSTOM */ -int board_is_sourcing_vbus(int port) -{ - return board_vbus_source_enabled(port); -} diff --git a/zephyr/program/rex/src/usbc_config.c b/zephyr/program/rex/src/usbc_config.c deleted file mode 100644 index df260f6730..0000000000 --- a/zephyr/program/rex/src/usbc_config.c +++ /dev/null @@ -1,292 +0,0 @@ -/* Copyright 2022 The ChromiumOS Authors - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -#include "battery_fuel_gauge.h" -#include "charge_manager.h" -#include "charge_ramp.h" -#include "charge_state.h" -#include "charge_state_v2.h" -#include "charger.h" -#include "driver/charger/isl9241.h" -#include "driver/ppc/nx20p348x.h" -#include "driver/retimer/bb_retimer_public.h" -#include "driver/tcpm/nct38xx.h" -#include "driver/tcpm/ps8xxx_public.h" -#include "driver/tcpm/tcpci.h" -#include "gpio/gpio_int.h" -#include "hooks.h" -#include "i2c.h" -#include "ioexpander.h" -#include "ppc/syv682x_public.h" -#include "system.h" -#include "task.h" -#include "usb_mux.h" -#include "usbc_ppc.h" - -#include <zephyr/drivers/gpio.h> - -#define CPRINTSUSB(format, args...) cprints(CC_USBCHARGE, format, ##args) -#define CPRINTFUSB(format, args...) cprintf(CC_USBCHARGE, format, ##args) - -/*******************************************************************/ -/* USB-C Configuration Start */ - -/* USB-C ports */ -enum usbc_port { USBC_PORT_C0 = 0, USBC_PORT_C1, USBC_PORT_COUNT }; -BUILD_ASSERT(USBC_PORT_COUNT == CONFIG_USB_PD_PORT_MAX_COUNT); - -static void usbc_interrupt_init(void) -{ - /* Only reset TCPC if not sysjump */ - if (!system_jumped_late()) { - board_reset_pd_mcu(); - } - - /* Enable PPC interrupts. */ - gpio_enable_dt_interrupt(GPIO_INT_FROM_NODELABEL(int_usb_c0_ppc)); - gpio_enable_dt_interrupt(GPIO_INT_FROM_NODELABEL(int_usb_c1_ppc)); - - /* Enable TCPC interrupts. */ - gpio_enable_dt_interrupt(GPIO_INT_FROM_NODELABEL(int_usb_c0_tcpc)); - gpio_enable_dt_interrupt(GPIO_INT_FROM_NODELABEL(int_usb_c1_tcpc)); - - /* Enable BC 1.2 interrupts */ - gpio_enable_dt_interrupt(GPIO_INT_FROM_NODELABEL(int_usb_c0_bc12)); - gpio_enable_dt_interrupt(GPIO_INT_FROM_NODELABEL(int_usb_c1_bc12)); - - /* Enable SBU fault interrupts */ - gpio_enable_dt_interrupt(GPIO_INT_FROM_NODELABEL(int_usb_c0_sbu_fault)); -} -DECLARE_HOOK(HOOK_INIT, usbc_interrupt_init, HOOK_PRIO_POST_I2C); - -void board_overcurrent_event(int port, int is_overcurrented) -{ - /* - * TODO: Meteorlake PCH does not use Physical GPIO for over current - * error, hence Send 'Over Current Virtual Wire' eSPI signal. - */ -} - -void sbu_fault_interrupt(enum gpio_signal signal) -{ - int port = USBC_PORT_C0; - - CPRINTSUSB("C%d: SBU fault", port); - pd_handle_overcurrent(port); -} - -void tcpc_alert_event(enum gpio_signal signal) -{ - int port; - - switch (signal) { - case GPIO_USB_C0_TCPC_INT_ODL: - port = 0; - break; - case GPIO_USB_C1_TCPC_INT_ODL: - port = 1; - break; - default: - return; - } - - schedule_deferred_pd_interrupt(port); -} - -static void reset_nct38xx_port(int port) -{ - const struct gpio_dt_spec *reset_gpio_l; - const struct device *ioex_port0, *ioex_port1; - - /* TODO(b/225189538): Save and restore ioex signals */ - if (port == USBC_PORT_C0) { - reset_gpio_l = GPIO_DT_FROM_NODELABEL(gpio_usb_c0_tcpc_rst_odl); - ioex_port0 = DEVICE_DT_GET(DT_NODELABEL(ioex_c0_port0)); - ioex_port1 = DEVICE_DT_GET(DT_NODELABEL(ioex_c0_port1)); - } else { - /* Invalid port: do nothing */ - return; - } - - gpio_pin_set_dt(reset_gpio_l, 0); - msleep(NCT38XX_RESET_HOLD_DELAY_MS); - gpio_pin_set_dt(reset_gpio_l, 1); - nct38xx_reset_notify(port); - if (NCT3807_RESET_POST_DELAY_MS != 0) { - msleep(NCT3807_RESET_POST_DELAY_MS); - } - - /* Re-enable the IO expander pins */ - gpio_reset_port(ioex_port0); - gpio_reset_port(ioex_port1); -} - -void board_reset_pd_mcu(void) -{ - /* Reset TCPC0 */ - reset_nct38xx_port(USBC_PORT_C0); - - /* Reset TCPC1 */ - gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_usb_c1_rt_rst_r_odl), 0); - msleep(PS8XXX_RESET_DELAY_MS); - gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_usb_c1_rt_rst_r_odl), 1); - msleep(PS8815_FW_INIT_DELAY_MS); -} - -uint16_t tcpc_get_alert_status(void) -{ - uint16_t status = 0; - const struct gpio_dt_spec *tcpc_c0_rst_l; - const struct gpio_dt_spec *tcpc_c0_int_l; - const struct gpio_dt_spec *tcpc_c1_rst_l; - const struct gpio_dt_spec *tcpc_c1_int_l; - - tcpc_c0_rst_l = GPIO_DT_FROM_NODELABEL(gpio_usb_c0_tcpc_rst_odl); - tcpc_c0_int_l = GPIO_DT_FROM_NODELABEL(gpio_usb_c0_tcpc_int_odl); - - tcpc_c1_rst_l = GPIO_DT_FROM_NODELABEL(gpio_usb_c1_rt_rst_r_odl); - tcpc_c1_int_l = GPIO_DT_FROM_NODELABEL(gpio_usb_c1_tcpc_int_odl); - - /* - * Check which port has the ALERT line set and ignore if that TCPC has - * its reset line active. - */ - if (!gpio_pin_get_dt(tcpc_c0_int_l) && gpio_pin_get_dt(tcpc_c0_rst_l)) { - status |= PD_STATUS_TCPC_ALERT_0; - } - - if (!gpio_pin_get_dt(tcpc_c1_int_l) && gpio_pin_get_dt(tcpc_c1_rst_l)) { - status |= PD_STATUS_TCPC_ALERT_1; - } - - return status; -} - -void ppc_interrupt(enum gpio_signal signal) -{ - switch (signal) { - case GPIO_USB_C0_PPC_INT_ODL: - syv682x_interrupt(USBC_PORT_C0); - break; - case GPIO_USB_C1_PPC_INT_ODL: - nx20p348x_interrupt(USBC_PORT_C1); - break; - default: - break; - } -} - -void bc12_interrupt(enum gpio_signal signal) -{ - switch (signal) { - case GPIO_USB_C0_BC12_INT_ODL: - usb_charger_task_set_event(0, USB_CHG_EVENT_BC12); - break; - case GPIO_USB_C1_BC12_INT_ODL: - usb_charger_task_set_event(1, USB_CHG_EVENT_BC12); - break; - default: - break; - } -} - -static void board_disable_charger_ports(void) -{ - int i; - - CPRINTSUSB("Disabling all charger ports"); - - /* Disable all ports. */ - for (i = 0; i < ppc_cnt; i++) { - /* - * If this port had booted in dead battery mode, go - * ahead and reset it so EN_SNK responds properly. - */ - if (nct38xx_get_boot_type(i) == NCT38XX_BOOT_DEAD_BATTERY) { - reset_nct38xx_port(i); - pd_set_error_recovery(i); - } - - /* - * Do not return early if one fails otherwise we can - * get into a boot loop assertion failure. - */ - if (ppc_vbus_sink_enable(i, 0)) { - CPRINTSUSB("Disabling C%d as sink failed.", i); - } - } -} - -int board_set_active_charge_port(int port) -{ - int is_valid_port = (port >= 0 && port < CONFIG_USB_PD_PORT_MAX_COUNT); - int i; - int rv; - - if (port == CHARGE_PORT_NONE) { - board_disable_charger_ports(); - return EC_SUCCESS; - } else if (!is_valid_port) { - return EC_ERROR_INVAL; - } - - /* - * Check if we can reset any ports in dead battery mode - * - * The NCT3807 may continue to keep EN_SNK low on the dead battery port - * and allow a dangerous level of voltage to pass through to the initial - * charge port (see b/183660105). We must reset the ports if we have - * sufficient battery to do so, which will bring EN_SNK back under - * normal control. - */ - rv = EC_SUCCESS; - if (port == USBC_PORT_C0 && - nct38xx_get_boot_type(port) == NCT38XX_BOOT_DEAD_BATTERY) { - /* Handle dead battery boot case */ - CPRINTSUSB("Found dead battery on C0"); - /* - * If we have battery, get this port reset ASAP. - * This means temporarily rejecting charge manager - * sets to it. - */ - if (pd_is_battery_capable()) { - reset_nct38xx_port(port); - pd_set_error_recovery(port); - } - } - - if (rv != EC_SUCCESS) { - return rv; - } - - /* Check if the port is sourcing VBUS. */ - if (tcpm_get_src_ctrl(port)) { - CPRINTSUSB("Skip enable C%d", port); - return EC_ERROR_INVAL; - } - - CPRINTSUSB("New charge port: C%d", port); - - /* - * Turn off the other ports' sink path FETs, before enabling the - * requested charge port. - */ - for (i = 0; i < ppc_cnt; i++) { - if (i == port) { - continue; - } - if (ppc_vbus_sink_enable(i, 0)) { - CPRINTSUSB("C%d: sink path disable failed.", i); - } - } - - /* Enable requested charge port. */ - if (ppc_vbus_sink_enable(port, 1)) { - CPRINTSUSB("C%d: sink path enable failed.", port); - return EC_ERROR_UNKNOWN; - } - - return EC_SUCCESS; -} |