dfuutil_programming_spiiflash_systeminit.c

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/*
 * @brief Basic startup code for DFU Utility examples
 *
 * @note
 * Copyright(C) NXP Semiconductors, 2012
 * All rights reserved.
 *
 * @par
 * Software that is described herein is for illustrative purposes only
 * which provides customers with programming information regarding the
 * LPC products.  This software is supplied "AS IS" without any warranties of
 * any kind, and NXP Semiconductors and its licensor disclaim any and
 * all warranties, express or implied, including all implied warranties of
 * merchantability, fitness for a particular purpose and non-infringement of
 * intellectual property rights.  NXP Semiconductors assumes no responsibility
 * or liability for the use of the software, conveys no license or rights under any
 * patent, copyright, mask work right, or any other intellectual property rights in
 * or to any products. NXP Semiconductors reserves the right to make changes
 * in the software without notification. NXP Semiconductors also makes no
 * representation or warranty that such application will be suitable for the
 * specified use without further testing or modification.
 *
 * @par
 * Permission to use, copy, modify, and distribute this software and its
 * documentation is hereby granted, under NXP Semiconductors' and its
 * licensor's relevant copyrights in the software, without fee, provided that it
 * is used in conjunction with NXP Semiconductors microcontrollers.  This
 * copyright, permission, and disclaimer notice must appear in all copies of
 * this code.
 */

#include "board.h"

/*****************************************************************************
 * Private types/enumerations/variables
 ****************************************************************************/

/* SCR pin definitions for pin muxing */
typedef struct {
 uint8_t pingrp;  /* Pin group */
 uint8_t pinnum;  /* Pin number */
 uint16_t modefunc; /* Pin mode and function for SCU */
} PINMUX_GRP_T;

/* SPIFI high speed pin mode setup */
STATIC const PINMUX_GRP_T spifipinmuxing[] = {
 {0x3, 3,  (SCU_PINIO_FAST | SCU_MODE_FUNC3)}, /* SPIFI CLK */
 {0x3, 4,  (SCU_PINIO_FAST | SCU_MODE_FUNC3)}, /* SPIFI D3 */
 {0x3, 5,  (SCU_PINIO_FAST | SCU_MODE_FUNC3)}, /* SPIFI D2 */
 {0x3, 6,  (SCU_PINIO_FAST | SCU_MODE_FUNC3)}, /* SPIFI D1 */
 {0x3, 7,  (SCU_PINIO_FAST | SCU_MODE_FUNC3)}, /* SPIFI D0 */
 {0x3, 8,  (SCU_PINIO_FAST | SCU_MODE_FUNC3)} /* SPIFI CS/SSEL */
};

/*****************************************************************************
 * Public types/enumerations/variables
 ****************************************************************************/

/*****************************************************************************
 * Private functions
 ****************************************************************************/

/*****************************************************************************
 * Public functions
 ****************************************************************************/

void dfuUtilSystemInit(void)
{
 int i;
 unsigned int *pSCB_VTOR = (unsigned int *) 0xE000ED08;

#if defined(__IAR_SYSTEMS_ICC__)
 extern void *__vector_table;

 *pSCB_VTOR = (unsigned int) &__vector_table;
#elif defined(__CODE_RED)
 extern void *g_pfnVectors;

 *pSCB_VTOR = (unsigned int) &g_pfnVectors;
#elif defined(__ARMCC_VERSION)
 extern void *__Vectors;

 *pSCB_VTOR = (unsigned int) &__Vectors;
#endif

 /* SPIFI pin setup is done prior to setting up system clocking */
 for (i = 0; i < (sizeof(spifipinmuxing) / sizeof(spifipinmuxing[0])); i++) {
  Chip_SCU_PinMuxSet(spifipinmuxing[i].pingrp, spifipinmuxing[i].pinnum,
         spifipinmuxing[i].modefunc);
 }
}