text: /*
   * Copyright (C) 2017 XRADIO TECHNOLOGY CO., LTD. All rights reserved.
   *
   *  Redistribution and use in source and binary forms, with or without
   *  modification, are permitted provided that the following conditions
   *  are met:
   *    1. Redistributions of source code must retain the above copyright
   *       notice, this list of conditions and the following disclaimer.
   *    2. Redistributions in binary form must reproduce the above copyright
   *       notice, this list of conditions and the following disclaimer in the
   *       documentation and/or other materials provided with the
   *       distribution.
   *    3. Neither the name of XRADIO TECHNOLOGY CO., LTD. nor the names of
   *       its contributors may be used to endorse or promote products derived
   *       from this software without specific prior written permission.
   *
   *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include "cmd_util.h"
  #include "driver/chip/hal_prcm.h"
  
  #define CMD_REBOOT_BY_WDG	1
  
  #if CMD_REBOOT_BY_WDG
  
  #include "driver/chip/hal_wdg.h"
  
  enum cmd_status cmd_reboot(PRCM_CPUABootFlag flag)
  {
  	cmd_write_respond(CMD_STATUS_OK, cmd_get_status_desc(CMD_STATUS_OK));
  
  	HAL_PRCM_SetCPUABootFlag(flag);
  	HAL_WDG_Reboot();
  	return CMD_STATUS_ACKED;
  }
  
  #else /* CMD_REBOOT_BY_WDG */
  
  #include "driver/chip/hal_nvic.h"
  #include "driver/chip/hal_global.h"
  #include "driver/chip/system_chip.h"
  #include "sys/interrupt.h"
  
  #define CMD_BROM_RESET_HANDLER	(*((volatile uint32_t *)0x4))
  
  enum cmd_status cmd_reboot(PRCM_CPUABootFlag flag)
  {
  	uint32_t handler;
  
  	cmd_write_respond(CMD_STATUS_OK, cmd_get_status_desc(CMD_STATUS_OK));
  	cmd_msleep(10);
  
  	HAL_PRCM_SetCPUABootFlag(flag);
  	handler = CMD_BROM_RESET_HANDLER;
  #ifdef __CONFIG_CHIP_XR871
  	handler |= 0x1; /* set thumb bit */
  #endif
  
  	arch_irq_disable();
  	HAL_PRCM_DisableSys2();
  	HAL_PRCM_DisableSys2Power();
  	HAL_GlobalInit();
  	SystemDeInit(0);
  
  	SCB->VTOR = 0x0;
  	__set_CONTROL(0); /* reset to Privileged Thread mode and use MSP */
  	__DSB();
  	__ISB();
  	((NVIC_IRQHandler)handler)();
  	return CMD_STATUS_ACKED;
  }
  
  #endif /* CMD_REBOOT_BY_WDG */
  
  enum cmd_status cmd_reboot_exec(char *cmd)
  {
  	return cmd_reboot(PRCM_CPUA_BOOT_FROM_COLD_RESET);
  }
  
  enum cmd_status cmd_upgrade_exec(char *cmd)
  {
  	return cmd_reboot(PRCM_CPUA_BOOT_FROM_SYS_UPDATE);
  }
  