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Diffstat (limited to 'baseboard/dedede/baseboard.c')
| -rw-r--r-- | baseboard/dedede/baseboard.c | 311 |
1 files changed, 0 insertions, 311 deletions
diff --git a/baseboard/dedede/baseboard.c b/baseboard/dedede/baseboard.c deleted file mode 100644 index 2f71f03068..0000000000 --- a/baseboard/dedede/baseboard.c +++ /dev/null @@ -1,311 +0,0 @@ -/* Copyright 2020 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -/* Dedede family-specific configuration */ - -#include "adc.h" -#include "board_config.h" -#include "cbi_fw_config.h" -#include "charger/isl923x_public.h" -#include "charger/sm5803.h" -#include "chipset.h" -#include "common.h" -#include "extpower.h" -#include "gpio.h" -#include "hooks.h" -#include "host_command.h" -#include "power/icelake.h" -#include "power/intel_x86.h" -#include "system.h" -#include "usb_pd.h" - -/******************************************************************************/ -/* - * PWROK signal configuration, see the PWROK Generation Flow Diagram in the - * Jasper Lake Platform Design Guide for the list of potential signals. - * - * Dedede boards use this PWROK sequence: - * GPIO_ALL_SYS_PWRGD - turns on VCCIN rail - * GPIO_EC_AP_VCCST_PWRGD_OD - asserts VCCST_PWRGD to AP, requires 2ms - * delay from VCCST stable to meet the tCPU00 platform sequencing - * timing - * GPIO_EC_AP_PCH_PWROK_OD - asserts PMC_PCH_PWROK to the AP. Note that - * PMC_PCH_PWROK is also gated by the IMVP9_VRRDY_OD output from - * the VCCIN voltage rail controller. - * GPIO_EC_AP_SYS_PWROK - asserts PMC_SYS_PWROK to the AP - * - * Both PMC_PCH_PWROK and PMC_SYS_PWROK signals must both be asserted before - * the Jasper Lake SoC deasserts PMC_RLTRST_N. The platform may deassert - * PMC_PCH_PWROK and PMC_SYS_PWROK in any order to optimize overall boot - * latency. - */ -const struct intel_x86_pwrok_signal pwrok_signal_assert_list[] = { - { - .gpio = GPIO_ALL_SYS_PWRGD, - }, - { - .gpio = GPIO_EC_AP_VCCST_PWRGD_OD, - .delay_ms = 2, - }, - { - .gpio = GPIO_EC_AP_PCH_PWROK_OD, - }, - { - .gpio = GPIO_EC_AP_SYS_PWROK, - }, -}; -const int pwrok_signal_assert_count = ARRAY_SIZE(pwrok_signal_assert_list); - -const struct intel_x86_pwrok_signal pwrok_signal_deassert_list[] = { - /* No delays needed during S0 exit */ - { - .gpio = GPIO_EC_AP_VCCST_PWRGD_OD, - }, - { - .gpio = GPIO_EC_AP_PCH_PWROK_OD, - }, - { - .gpio = GPIO_EC_AP_SYS_PWROK, - }, - /* Turn off the VCCIN rail last */ - { - .gpio = GPIO_ALL_SYS_PWRGD, - }, -}; -const int pwrok_signal_deassert_count = ARRAY_SIZE(pwrok_signal_deassert_list); - - -/* - * Dedede does not use hibernate wake pins, but the super low power "Z-state" - * instead in which the EC is powered off entirely. Power will be restored to - * the EC once one of the wake up events occurs. These events are ACOK, lid - * open, and a power button press. - */ -const enum gpio_signal hibernate_wake_pins[] = {}; -const int hibernate_wake_pins_used; - -__override void board_after_rsmrst(int rsmrst) -{ - /* - * b:148688874: If RSMRST# is de-asserted, enable the pull-up on - * PG_PP1050_ST_OD. It won't be enabled prior to this signal going high - * because the load switch for PP1050_ST cannot pull the PG low. Once - * it's asserted, disable the pull up so we don't inidicate that the - * power is good before the rail is actually ready. - */ - int flags = rsmrst ? GPIO_PULL_UP : 0; - - flags |= GPIO_INT_BOTH; - - gpio_set_flags(GPIO_PG_PP1050_ST_OD, flags); -} - -/* - * Dedede does not have a GPIO indicating ACOK, therefore the charger or TCPC - * can call this function once it detects a VBUS presence change with which we - * can trigger the HOOK_AC_CHANGE hook. - */ -__override void board_check_extpower(void) -{ - static int last_extpower_present; - int extpower_present = extpower_is_present(); - - if (last_extpower_present ^ extpower_present) - extpower_handle_update(extpower_present); - - last_extpower_present = extpower_present; -} - -uint32_t pp3300_a_pgood; -__override int intel_x86_get_pg_ec_dsw_pwrok(void) -{ - /* - * The PP3300_A rail is an input to generate DPWROK. Assuming that - * power is good if voltage is at least 80% of nominal level. We cannot - * read the ADC values during an interrupt, therefore, this power good - * value is updated via ADC threshold interrupts. - */ - return pp3300_a_pgood; -} - -/* Store away PP300_A good status before sysjumps */ -#define BASEBOARD_SYSJUMP_TAG 0x4242 /* BB */ -#define BASEBOARD_HOOK_VERSION 1 - -static void pp3300_a_pgood_preserve(void) -{ - system_add_jump_tag(BASEBOARD_SYSJUMP_TAG, BASEBOARD_HOOK_VERSION, - sizeof(pp3300_a_pgood), &pp3300_a_pgood); -} -DECLARE_HOOK(HOOK_SYSJUMP, pp3300_a_pgood_preserve, HOOK_PRIO_DEFAULT); - -static void baseboard_prepare_power_signals(void) -{ - const int *stored; - int version, size; - - stored = (const int *)system_get_jump_tag(BASEBOARD_SYSJUMP_TAG, - &version, &size); - if (stored && (version == BASEBOARD_HOOK_VERSION) && - (size == sizeof(pp3300_a_pgood))) - /* Valid PP3300 status found, restore before CHIPSET init */ - pp3300_a_pgood = *stored; - - /* Restore pull-up on PG_PP1050_ST_OD */ - if (system_jumped_to_this_image() && - gpio_get_level(GPIO_RSMRST_L_PGOOD)) - board_after_rsmrst(1); -} -DECLARE_HOOK(HOOK_INIT, baseboard_prepare_power_signals, HOOK_PRIO_FIRST); - -__override int intel_x86_get_pg_ec_all_sys_pwrgd(void) -{ - /* - * SLP_S3_L is a qualifying input signal to ALL_SYS_PWRGD logic. - * So ensure ALL_SYS_PWRGD remains LOW during SLP_S3_L assertion. - */ - if (!gpio_get_level(GPIO_SLP_S3_L)) - return 0; - /* - * ALL_SYS_PWRGD is an AND of DRAM PGOOD, VCCST PGOOD, and VCCIO_EXT - * PGOOD. - */ - return gpio_get_level(GPIO_PG_PP1050_ST_OD) && - gpio_get_level(GPIO_PG_DRAM_OD) && - gpio_get_level(GPIO_PG_VCCIO_EXT_OD); -} - -__override int power_signal_get_level(enum gpio_signal signal) -{ - if (signal == GPIO_PG_EC_DSW_PWROK) - return intel_x86_get_pg_ec_dsw_pwrok(); - - if (signal == GPIO_PG_EC_ALL_SYS_PWRGD) - return intel_x86_get_pg_ec_all_sys_pwrgd(); - - if (IS_ENABLED(CONFIG_HOSTCMD_ESPI)) { - /* Check signal is from GPIOs or VWs */ - if (espi_signal_is_vw(signal)) - return espi_vw_get_wire(signal); - } - return gpio_get_level(signal); - -} - -void baseboard_all_sys_pgood_interrupt(enum gpio_signal signal) -{ - /* - * We need to deassert ALL_SYS_PGOOD within 200us of SLP_S3_L asserting. - * that is why we do this here instead of waiting for the chipset - * driver to. - * Early protos do not pull VCCST_PWRGD below Vil in hardware logic, - * so we need to do the same for this signal. - * Pull EN_VCCIO_EXT to LOW, which ensures VCCST_PWRGD remains LOW during - * SLP_S3_L assertion. - */ - if (!gpio_get_level(GPIO_SLP_S3_L)) { - gpio_set_level(GPIO_ALL_SYS_PWRGD, 0); - gpio_set_level(GPIO_EN_VCCIO_EXT, 0); - gpio_set_level(GPIO_EC_AP_VCCST_PWRGD_OD, 0); - gpio_set_level(GPIO_EC_AP_PCH_PWROK_OD, 0); - } - /* Now chain off to the normal power signal interrupt handler. */ - power_signal_interrupt(signal); -} - -void baseboard_chipset_startup(void) -{ -#ifdef CONFIG_PWM_KBLIGHT - /* Allow keyboard backlight to be enabled */ - gpio_set_level(GPIO_EN_KB_BL, 1); -#endif -} -DECLARE_HOOK(HOOK_CHIPSET_STARTUP, baseboard_chipset_startup, - HOOK_PRIO_DEFAULT); - -void baseboard_chipset_shutdown(void) -{ -#ifdef CONFIG_PWM_KBLIGHT - /* Turn off the keyboard backlight if it's on. */ - gpio_set_level(GPIO_EN_KB_BL, 0); -#endif -} -DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, baseboard_chipset_shutdown, - HOOK_PRIO_DEFAULT); - -void board_hibernate_late(void) -{ - volatile uint32_t busy = 0; - - /* Disable any pull-ups on C0 and C1 interrupt lines */ - gpio_set_flags(GPIO_USB_C0_INT_ODL, GPIO_INPUT); - #if CONFIG_USB_PD_PORT_MAX_COUNT > 1 - gpio_set_flags(GPIO_USB_C1_INT_ODL, GPIO_INPUT); - #endif - /* - * Turn on the Z state. This will not return as it will cut power to - * the EC. - */ - gpio_set_level(GPIO_EN_SLP_Z, 1); - - /* - * Interrupts are disabled at this point, so busy-loop to consume some - * time (something on the order of at least 1 second, depending on EC - * chip being used) - */ - while (busy < 100000) - busy++; - - /* - * Still awake despite turning on zombie state? Reset with AP off is - * the best we can do in this situation. - */ - system_reset(SYSTEM_RESET_LEAVE_AP_OFF); - - /* Await our reset */ - while (1) - ; -} - -int board_is_i2c_port_powered(int port) -{ - if (port != I2C_PORT_SENSOR) - return 1; - - /* Sensor rails are off in S5/G3 */ - return chipset_in_state(CHIPSET_STATE_ANY_OFF) ? 0 : 1; -} - -int extpower_is_present(void) -{ - int port; - int rv; - bool acok; - enum ec_error_list (*check_acok)(int port, bool *acok); - - if (IS_ENABLED(CONFIG_CHARGER_RAA489000)) - check_acok = raa489000_is_acok; - else if (IS_ENABLED(CONFIG_CHARGER_SM5803)) - check_acok = sm5803_is_acok; - - for (port = 0; port < board_get_usb_pd_port_count(); port++) { - rv = check_acok(port, &acok); - if ((rv == EC_SUCCESS) && acok) - return 1; - } - - return 0; -} - -__override uint32_t board_override_feature_flags0(uint32_t flags0) -{ - /* - * Remove keyboard backlight feature for devices that don't support it. - */ - if (get_cbi_fw_config_kblight() == KB_BL_ABSENT) - return (flags0 & ~EC_FEATURE_MASK_0(EC_FEATURE_PWM_KEYB)); - else - return flags0; -} |