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RIOT/cpu/kinetis_common/cpu.c 1019 Bytes
a752c7ab   elopes   add first test an...
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  /*
   * Copyright (C) 2017 SKF AB
   *
   * This file is subject to the terms and conditions of the GNU Lesser General
   * Public License v2.1. See the file LICENSE in the top level directory for more
   * details.
   */
  
  /**
   * @ingroup     cpu_kinetis_common
   * @{
   *
   * @file
   * @brief       Kinetis CPU initialization
   *
   * @author      Joakim Nohlgård <joakim.nohlgard@eistec.se>
   * @}
   */
  
  #include "cpu.h"
  #include "periph/init.h"
  #include "mcg.h"
  
  /**
   * @brief Initialize the CPU, set IRQ priorities
   */
  void cpu_init(void)
  {
      /* initialize the Cortex-M core */
      cortexm_init();
      /* Clear LLS protection */
      /* Clear VLPS, VLPW, VLPR protection */
      /* Note: This register can only be written once after each reset, so we must
       * enable all power modes that we wish to use. */
      SMC->PMPROT |= SMC_PMPROT_ALLS_MASK | SMC_PMPROT_AVLP_MASK;
      /* initialize the CPU clocking provided by the MCG module */
      kinetis_mcg_init();
      /* trigger static peripheral initialization */
      periph_init();
  }