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/* 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 <kernel.h>
#include <sys/printk.h>
#include <shell/shell_uart.h>
#include <zephyr.h>
#include "button.h"
#include "chipset.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 "ec_app_main.h"
/* For testing purposes this is not named main. See main_shim.c for the real
* main() function.
*/
void ec_app_main(void)
{
system_common_pre_init();
/*
* 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)) {
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_ESPI)) {
if (zephyr_shim_setup_espi() < 0) {
printk("Failed to init eSPI!\n");
}
}
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();
}
/*
* Hooks run from the system workqueue and must be the lowest priority
* thread. By default, the system workqueue is run at the lowest
* cooperative thread priority, blocking all preemptive threads until
* the deferred work is completed.
*/
k_thread_priority_set(&k_sys_work_q.thread, LOWEST_THREAD_PRIORITY);
/* Call init hooks before main tasks start */
if (IS_ENABLED(CONFIG_PLATFORM_EC_HOOKS)) {
hook_notify(HOOK_INIT);
}
/*
* Increase priority of shell thread.
* This is temporary code that'll be removed
* after the feature outlined in bug b/191795553
* is implemented.
*/
{
static const struct shell *shell;
shell = shell_backend_uart_get_ptr();
k_thread_priority_set(shell->ctx->tid,
K_HIGHEST_APPLICATION_THREAD_PRIO);
}
/*
* 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();
}
}
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