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https://github.com/Telecominfraproject/OpenCellular.git
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cdc3fbf2cf
This works around a chip errata where the internal oscillator on early EC parts (as used on proto0) is untrimmed. Signed-off-by: Randall Spangler <rspangler@chromium.org> BUG=chrome-os-partner:7693 TEST=if it runs, it works Change-Id: Ie82a524543f4cf25efd0de7998dbdae103bd126b
108 lines
2.3 KiB
C
108 lines
2.3 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 "registers.h"
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#include "board.h"
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#include "adc.h"
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#include "clock.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 "flash_commands.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 "lpc.h"
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#include "memory_commands.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 "pwm_commands.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 "timer.h"
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#include "uart.h"
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#include "vboot.h"
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#include "watchdog.h"
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#include "usb_charge.h"
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/* example task blinking the user LED */
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/* TODO: This also kicks the watchdog, so MUST be present! */
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void UserLedBlink(void)
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{
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while (1) {
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#ifdef BOARD_bds
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gpio_set_level(GPIO_DEBUG_LED, 1);
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#endif
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usleep(500000);
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watchdog_reload();
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#ifdef BOARD_bds
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gpio_set_level(GPIO_DEBUG_LED, 0);
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#endif
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usleep(500000);
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watchdog_reload();
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}
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}
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int main(void)
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{
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/* Configure the pin multiplexers */
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configure_board();
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jtag_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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/* Set the CPU clocks / PLLs */
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clock_init();
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/* Do system, gpio, and vboot pre-initialization so we can jump to
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* another image if necessary. This must be done as early as
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* possible, so that the minimum number of components get
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* re-initialized if we jump to another image. */
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gpio_pre_init();
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vboot_pre_init();
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task_init();
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watchdog_init(1100);
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timer_init();
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uart_init();
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system_init();
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gpio_init();
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flash_init();
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eeprom_init();
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port_80_init();
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lpc_init();
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flash_commands_init();
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vboot_init();
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pwm_init();
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i2c_init();
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temp_sensor_init();
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memory_commands_init();
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power_button_init();
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keyboard_init();
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adc_init();
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usb_charge_init();
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/* Print the reset cause */
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uart_printf("\n\n--- Chrome EC initialized! ---\n");
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uart_printf("(image: %s, version: %s, last reset: %s)\n",
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system_get_image_copy_string(),
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system_get_version(SYSTEM_IMAGE_UNKNOWN),
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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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