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ed33516e2e
BUG=chrome-os-partner:8718 TEST=manual 1) Use 'reboot' command from console to boot image. Should end up in image A, with last reset reason soft cold. 'sysinfo' should show we jumped to this image. 2) sysjump RO. Should end up in RO; otherwise same as 1) 3) reboot using Power+Esc+Reload. Should end up in image RO, with last reset reason reset pin. 'sysinfo' should show we did not jump to this image. 4) sysjump A. Should end up in A with reset reason reset pin. 'sysinfo' should show we jumped here. Change-Id: I2dd5595eab4ba2c91bfe8b2b2e9677d7732aca63 Signed-off-by: Randall Spangler <rspangler@chromium.org>
155 lines
3.9 KiB
C
155 lines
3.9 KiB
C
/* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* Main routine for Chrome EC
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*/
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#include "adc.h"
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#include "charger.h"
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#include "chip_temp_sensor.h"
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#include "clock.h"
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#include "config.h"
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#include "console.h"
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#include "eeprom.h"
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#include "flash.h"
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#include "gpio.h"
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#include "i2c.h"
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#include "jtag.h"
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#include "keyboard.h"
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#include "keyboard_scan.h"
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#include "lpc.h"
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#include "memory_commands.h"
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#include "onewire.h"
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#include "peci.h"
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#include "port80.h"
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#include "power_button.h"
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#include "powerdemo.h"
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#include "pwm.h"
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#include "system.h"
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#include "task.h"
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#include "temp_sensor.h"
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#include "tmp006.h"
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#include "timer.h"
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#include "uart.h"
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#include "usb_charge.h"
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#include "vboot.h"
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#include "watchdog.h"
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int main(void)
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{
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/* Pre-initialization (pre-verified boot) stage. Initialization at
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* this level should do as little as possible, because verified boot
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* may need to jump to another image, which will repeat this
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* initialization. In particular, modules should NOT enable
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* interrupts.*/
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/* Configure the pin multiplexers and GPIOs */
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configure_board();
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jtag_pre_init();
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gpio_pre_init();
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/* Initialize interrupts, but don't enable any of them. Note that
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* task scheduling is not enabled until task_start() below. */
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task_pre_init();
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#ifdef CONFIG_FLASH
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flash_pre_init();
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#endif
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/* Verified boot pre-init. This write-protects flash if necessary.
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* Flash and GPIOs must be initialized first. */
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vboot_pre_init();
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/* Initialize the system module. This enables the hibernate clock
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* source we need to calibrate the internal oscillator. */
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system_pre_init();
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system_common_pre_init();
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/* Set the CPU clocks / PLLs. System is now running at full speed. */
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clock_init();
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/* Main initialization stage. Modules may enable interrupts here. */
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/* Initialize UART. uart_printf(), etc. may now be used. */
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uart_init();
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#ifdef CONFIG_TASK_WATCHDOG
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/* Intialize watchdog timer. All lengthy operations between now and
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* task_start() must periodically call watchdog_reload() to avoid
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* triggering a watchdog reboot. (This pretty much applies only to
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* verified boot, because all *other* lengthy operations should be done
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* by tasks.) */
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watchdog_init(1100);
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#endif
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/* Initialize timer. Everything after this can be benchmarked.
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* get_time() and udelay() may now be used. usleep() requires task
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* scheduling, so cannot be used yet. */
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timer_init();
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/* Verified boot needs to read the initial keyboard state and EEPROM
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* contents. */
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#ifdef CONFIG_TASK_KEYSCAN
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keyboard_scan_init();
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#endif
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#ifdef CONFIG_EEPROM
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eeprom_init();
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#endif
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/* Verified boot initialization. This may jump to another image, which
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* will need to reconfigure / reinitialize the system, so as little as
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* possible should be done above this step. */
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vboot_init();
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system_init();
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gpio_init();
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#ifdef CONFIG_LPC
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port_80_init();
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lpc_init();
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uart_comx_enable();
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#endif
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#ifdef CONFIG_PWM
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pwm_init();
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#endif
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#ifdef CONFIG_I2C
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i2c_init();
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#endif
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#ifdef CONFIG_TASK_TEMPSENSOR
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temp_sensor_init();
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chip_temp_sensor_init();
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#endif
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#ifdef CONFIG_TASK_POWERBTN
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power_button_init();
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#endif
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#ifdef CONFIG_ADC
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adc_init();
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#endif
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#ifdef CONFIG_ONEWIRE
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onewire_init();
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#endif
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#ifdef CONFIG_CHARGER
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charger_init();
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#endif
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#ifdef CONFIG_PECI
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peci_init();
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#endif
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#ifdef CONFIG_USB_CHARGE
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usb_charge_init();
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#endif
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/* Print the init time and reset cause. Init time isn't completely
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* accurate because it can't take into account the time for the first
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* few module inits, but it'll at least catch the majority of them. */
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uart_printf("\n\n--- Chrome EC initialized in %d us ---\n",
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get_time().le.lo);
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uart_printf("build: %s\n", system_get_build_info());
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uart_printf("(image: %s, last reset: %s)\n",
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system_get_image_copy_string(),
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system_get_reset_cause_string());
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/* Launch task scheduling (never returns) */
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return task_start();
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}
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