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/* Copyright 2020 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "ap_power/ap_pwrseq.h"
#include "button.h"
#include "chipset.h"
#include "cros_board_info.h"
#include "ec_app_main.h"
#include "ec_tasks.h"
#include "hooks.h"
#include "keyboard_scan.h"
#include "lpc.h"
#include "system.h"
#include "vboot.h"
#include "watchdog.h"
#include "zephyr_espi_shim.h"
#include <zephyr/kernel.h>
#include <zephyr/shell/shell_uart.h>
#include <zephyr/sys/printk.h>
/* For testing purposes this is not named main. See main_shim.c for the real
* main() function.
*/
void ec_app_main(void)
{
/*
* Initialize reset logs. This needs to be done before any updates of
* reset logs because we need to verify if the values remain the same
* after every EC reset.
*/
if (IS_ENABLED(CONFIG_CMD_AP_RESET_LOG)) {
init_reset_log();
}
system_print_banner();
if (IS_ENABLED(CONFIG_PLATFORM_EC_WATCHDOG) &&
!IS_ENABLED(CONFIG_WDT_DISABLE_AT_BOOT)) {
watchdog_init();
}
/*
* Keyboard scan init/Button init can set recovery events to
* indicate to host entry into recovery mode. Before this is
* done, LPC_HOST_EVENT_ALWAYS_REPORT mask needs to be initialized
* correctly.
*/
if (IS_ENABLED(CONFIG_HOSTCMD_X86)) {
lpc_init_mask();
}
if (IS_ENABLED(HAS_TASK_KEYSCAN)) {
keyboard_scan_init();
}
if (IS_ENABLED(CONFIG_DEDICATED_RECOVERY_BUTTON) ||
IS_ENABLED(CONFIG_VOLUME_BUTTONS)) {
button_init();
}
if (IS_ENABLED(CONFIG_PLATFORM_EC_VBOOT_EFS2)) {
/*
* For RO, it behaves as follows:
* In recovery, it enables PD communication and returns.
* In normal boot, it verifies and jumps to RW.
* For RW, it returns immediately.
*/
vboot_main();
}
/* Call init hooks before main tasks start */
if (IS_ENABLED(CONFIG_PLATFORM_EC_HOOKS)) {
hook_notify(HOOK_INIT);
}
/*
* If the EC has exclusive control over the CBI EEPROM WP signal, have
* the EC set the WP if appropriate. Note that once the WP is set, the
* EC must be reset via EC_RST_ODL in order for the WP to become unset.
*/
if (IS_ENABLED(CONFIG_PLATFORM_EC_EEPROM_CBI_WP) && system_is_locked())
cbi_latch_eeprom_wp();
/*
* Print the init time. Not completely accurate because it can't take
* into account the time before timer_init(), but it'll at least catch
* the majority of the time.
*/
cprints(CC_SYSTEM, "Inits done");
/* Start the EC tasks after performing all main initialization */
if (IS_ENABLED(CONFIG_SHIMMED_TASKS)) {
start_ec_tasks();
}
if (IS_ENABLED(CONFIG_AP_PWRSEQ)) {
ap_pwrseq_task_start();
}
}
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