pinebuds/platform/hal/hal_bootmode.c

/***************************************************************************
 *
 * Copyright 2015-2019 BES.
 * All rights reserved. All unpublished rights reserved.
 *
 * No part of this work may be used or reproduced in any form or by any
 * means, or stored in a database or retrieval system, without prior written
 * permission of BES.
 *
 * Use of this work is governed by a license granted by BES.
 * This work contains confidential and proprietary information of
 * BES. which is protected by copyright, trade secret,
 * trademark and other intellectual property rights.
 *
 ****************************************************************************/
#include "hal_bootmode.h"
#include "cmsis.h"
#include "hal_cmu.h"
#include "hal_location.h"

// BOOTMODE
#define CMU_BOOTMODE_WATCHDOG (1 << 0)
#define CMU_BOOTMODE_GLOBAL (1 << 1)
#define CMU_BOOTMODE_RTC (1 << 2)
#define CMU_BOOTMODE_CHARGER (1 << 3)

static union HAL_HW_BOOTMODE_T BOOT_BSS_LOC hw_bm;

union HAL_HW_BOOTMODE_T hal_hw_bootmode_get(void) {
  return hw_bm;
}

union HAL_HW_BOOTMODE_T hal_rom_hw_bootmode_get(void) {
  union HAL_HW_BOOTMODE_T bm;
  volatile uint32_t *addr;

  addr = hal_cmu_get_bootmode_addr();

  bm.reg = *addr & HAL_HW_BOOTMODE_MASK;
  return bm;
}

void BOOT_TEXT_FLASH_LOC hal_hw_bootmode_init(void) {
  volatile uint32_t *addr;

  addr = hal_cmu_get_bootmode_addr();

  hw_bm.reg = *addr & HAL_HW_BOOTMODE_MASK;
#if defined(CHIP_BEST3001) || defined(CHIP_BEST3005)
  *addr = (*addr | HAL_HW_BOOTMODE_MASK) >> 2;
#else
  *addr = *addr | HAL_HW_BOOTMODE_MASK;
#endif
}

uint32_t hal_sw_bootmode_get(void) {
  volatile uint32_t *addr;

  addr = hal_cmu_get_bootmode_addr();

  return *addr & HAL_SW_BOOTMODE_MASK;
}

void hal_sw_bootmode_set(uint32_t bm) {
  uint32_t lock;
  volatile uint32_t *addr;

  addr = hal_cmu_get_bootmode_addr();

  lock = int_lock();
#if defined(CHIP_BEST3001) || defined(CHIP_BEST3005)
  *addr = ((*addr | bm) & HAL_SW_BOOTMODE_MASK) >> 2;
#else
  *addr = (*addr | bm) & HAL_SW_BOOTMODE_MASK;
#endif
  int_unlock(lock);
}

void hal_sw_bootmode_clear(uint32_t bm) {
  uint32_t lock;
  volatile uint32_t *addr;

  addr = hal_cmu_get_bootmode_addr();

  lock = int_lock();
#if defined(CHIP_BEST3001) || defined(CHIP_BEST3005)
  *addr = ((*addr & ~bm) & HAL_SW_BOOTMODE_MASK) >> 2;
#else
  *addr = (*addr & ~bm) & HAL_SW_BOOTMODE_MASK;
#endif
  int_unlock(lock);
}