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git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4949 7fd9a85b-ad96-42d3-883c-3090e2eb8679sbg
patacongo
13 years ago
13 changed files with 763 additions and 57 deletions
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/****************************************************************************
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* arch/arm/src/lpc43/chip/lpc43_spifi.h |
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* |
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* Copyright (C) 2012 Gregory Nutt. All rights reserved. |
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* Author: Gregory Nutt <gnutt@nuttx.org> |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* 3. Neither the name NuttX nor the names of its contributors may be |
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* used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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* |
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**************************************************************************** |
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* |
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* NOTE: The SPIFI ROM interface is not defined in the LPC43xx user manual. |
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* Some information in this file drivers from the NXP header file |
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* spifi_rom_api.h. I do not believe that any copyright restrictions apply. |
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* But just to be certain: |
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* |
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* Copyright(C) 2011, NXP Semiconductor |
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* All rights reserved. |
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* |
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* Software that is described herein is for illustrative purposes only which |
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* provides customers with programming information regarding the products. |
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* This software is supplied "AS IS" without any warranties. NXP |
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* Semiconductors assumes no responsibility or liability for the use of the |
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* software, conveys no license or title under any patent, copyright, or |
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* mask work right to the product. NXP Semiconductors reserves the right to |
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* make changes in the software without notification. NXP Semiconductors |
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* also make no representation or warranty that such application will be |
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* suitable for the specified use without further testing or modification. |
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* Permission to use, copy, modify, and distribute this software and its |
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* documentation is hereby granted, under NXP Semiconductors' relevant |
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* copyright in the software, without fee, provided that it is used in |
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* conjunction with NXP Semiconductors microcontrollers. This copyright, |
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* permission, and disclaimer notice must appear in all copies of this code. |
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* |
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****************************************************************************/ |
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|
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#ifndef __ARCH_ARM_SRC_LPC43XX_CHIP_LPC43_SPIFI_H |
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#define __ARCH_ARM_SRC_LPC43XX_CHIP_LPC43_SPIFI_H |
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/****************************************************************************
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* Included Files |
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****************************************************************************/ |
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#include <nuttx/config.h> |
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/****************************************************************************
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* Pre-processor Definitions |
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****************************************************************************/ |
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/* The largest protection block of any serial flash that the ROM driver
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* can handle |
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*/ |
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#define SPIFI_LONGEST_PROTBLOCK 68 |
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/* Protection flag bit definitions */ |
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#define SPIFI_RWPROT (1 << 0) |
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/* Instruction classes for wait_busy */ |
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#define SPIFI_STAT_INST 0 |
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#define SPIFI_BLOCK_ERASE 1 |
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#define SPIFI_PROG_INST 2 |
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#define SPIFI_CHIP_ERASE 3 |
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/* Bit definitions in options operands (MODE3, RCVCLK, and FULLCLK
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* have the same relationship as in the Control register) |
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*/ |
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#define SPIFI_MODE3 (1 << 0) |
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#define SPIFI_MODE0 (0) |
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#define SPIFI_MINIMAL (1 << 1) |
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#define SPIFI_MAXIMAL (0) |
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#define SPIFI_FORCE_ERASE (1 << 2) |
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#define SPIFI_ERASE_NOT_REQD (1 << 3) |
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#define SPIFI_CALLER_ERASE (1 << 3) |
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#define SPIFI_ERASE_AS_REQD (0) |
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#define SPIFI_VERIFY_PROG (1 << 4) |
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#define SPIFI_VERIFY_ERASE (1 << 5) |
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#define SPIFI_NO_VERIFY (0) |
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#define SPIFI_FULLCLK (1 << 6) |
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#define SPIFI_HALFCLK (0) |
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#define SPIFI_RCVCLK (1 << 7) |
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#define SPIFI_INTCLK (0) |
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#define SPIFI_DUAL (1 << 8) |
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#define SPIFI_CALLER_PROT (1 << 9) |
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#define SPIFI_DRIVER_PROT (0) |
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/* The length of a standard program command is 256 on all devices */ |
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#define PROG_SIZE 256 |
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/* SPI ROM driver table pointer */ |
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#define SPIFI_ROM_PTR LPC43_ROM_DRIVER_TABLE6 |
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#define pSPIFI *((struct spifi_driver_s **)SPIFI_ROM_PTR) |
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/****************************************************************************
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* Pre-processor Definitions |
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****************************************************************************/ |
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/* Protection/sector descriptors */ |
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struct spfi_desc_s |
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{ |
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uint32_t base; |
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uint8_t flags; |
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int8_t log2; |
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uint16_t rept; |
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}; |
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/* The SPFI device state structure, passed to all ROM driver methods. */ |
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struct spifi_dev_s |
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{ |
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uint32_t base; |
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uint32_t regbase; |
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uint32_t devsize; |
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uint32_t memsize; |
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uint8_t mfger; |
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uint8_t devtype; |
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uint8_t devid; |
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uint8_t busy; |
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union |
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{ |
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uint16_t h; |
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uint8_t b[2]; |
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} stat; |
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uint16_t reserved; |
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uint16_t setprot; |
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uint16_t writeprot; |
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uint32_t memcmd; |
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uint32_t progcmd; |
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uint16_t sectors; |
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uint16_t protbytes; |
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uint32_t opts; |
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uint32_t errcheck; |
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uint8_t eraseshifts[4]; |
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uint8_t eraseops[4]; |
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struct spfi_desc_s *protents; |
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char prot[SPIFI_LONGEST_PROTBLOCK]; |
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}; |
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/* Operands of program and erase ROM driver methods */ |
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struct spifi_operands_s |
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{ |
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char *dest; |
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uint32_t length; |
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char *scratch; |
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int32_t protect; |
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uint32_t options; |
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}; |
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/* Interface to SPIFI ROM driver */ |
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struct spifi_driver_s |
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{ |
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int32_t (*spifi_init)(struct spifi_dev_s *dev, uint32_t cshigh, |
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uint32_t options, uint32_t mhz); |
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int32_t (*spifi_program)(struct spifi_dev_s *dev, char *source, |
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struct spifi_operands_s *opers); |
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int32_t (*spifi_erase)(struct spifi_dev_s *dev, |
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struct spifi_operands_s *opers); |
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/* Mode switching */ |
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void (*cancel_mem_mode)(struct spifi_dev_s *dev); |
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void (*set_mem_mode)(struct spifi_dev_s *dev); |
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/* Mid level functions */ |
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int32_t (*checkAd)(struct spifi_dev_s *dev, |
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struct spifi_operands_s *opers); |
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int32_t (*setProt)(struct spifi_dev_s *dev, |
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struct spifi_operands_s *opers, char *change, char *saveprot); |
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int32_t (*check_block) (struct spifi_dev_s *dev, char *source, |
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struct spifi_operands_s *opers, uint32_t check_program); |
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int32_t (*send_erase_cmd)(struct spifi_dev_s *dev, uint8_t op, |
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uint32_t addr); |
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uint32_t (*ck_erase) (struct spifi_dev_s *dev, uint32_t *addr, |
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uint32_t length); |
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int32_t (*prog_block)(struct spifi_dev_s *dev, char *source, |
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struct spifi_operands_s *opers, uint32_t *left_in_page); |
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uint32_t (*ck_prog)(struct spifi_dev_s *dev, char *source, char *dest, |
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uint32_t length); |
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/* Low level functions */ |
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void (*setsize) (struct spifi_dev_s *dev, int32_t value); |
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int32_t (*setdev)(struct spifi_dev_s *dev, uint32_t opts, |
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uint32_t mem_cmd, uint32_t prog_cmd); |
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uint32_t (*cmd)(uint8_t op, uint8_t addrlen, uint8_t intLen, uint16_t len); |
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uint32_t (*readad)(struct spifi_dev_s *dev, uint32_t cmd, uint32_t addr); |
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void (*send04)(struct spifi_dev_s *dev, uint8_t op, uint8_t len, |
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uint32_t value); |
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void (*wren_sendad)(struct spifi_dev_s *dev, uint32_t cmd, |
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uint32_t addr, uint32_t value); |
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int32_t (*write_stat)(struct spifi_dev_s *dev, uint8_t len, |
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uint16_t value); |
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int32_t (*wait_busy)(struct spifi_dev_s *dev, uint8_t prog_or_erase); |
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}; |
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/****************************************************************************
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* Private Data |
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****************************************************************************/ |
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/****************************************************************************
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* Private Functions |
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****************************************************************************/ |
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/****************************************************************************
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* Public Functions |
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****************************************************************************/ |
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#endif /* __ARCH_ARM_SRC_LPC43XX_CHIP_LPC43_SPIFI_H */ |
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/****************************************************************************
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* arch/arm/src/lpc43/lpc43_spifi.c |
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* |
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* Copyright (C) 2012 Gregory Nutt. All rights reserved. |
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* Author: Gregory Nutt <gnutt@nuttx.org> |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 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 |
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* distribution. |
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* 3. Neither the name NuttX nor the names of its contributors may be |
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* used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* 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 |
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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* |
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****************************************************************************/ |
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/****************************************************************************
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* Included Files |
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****************************************************************************/ |
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#include <nuttx/config.h> |
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#include <sys/types.h> |
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#include <errno.h> |
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#include <debug.h> |
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#include <arch/irq.h> |
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#include <arch/board/board.h> |
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#include "up_arch.h" |
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#include "chip.h" |
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#include "lpc43_cgu.h" |
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#include "lpc43_spifi.h" |
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#include "lpc43_pinconfig.h" |
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#ifdef CONFIG_LPC43_SPIFI |
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/****************************************************************************
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* Pre-processor Definitions |
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****************************************************************************/ |
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/* Select the divider to use as SPIFI input based on definitions in the
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* board.h header file. |
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*/ |
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#if defined(BOARD_SPIFI_PLL1) |
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# define BASE_SPIFI_CLKSEL BASE_SPIFI_CLKSEL_PLL1 |
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#elif defined(BOARD_SPIFI_DIVA) |
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# define LPC43_IDIV_CTRL LPC43_IDIVA_CTRL |
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# define IDIV_CTRL_PD IDIVA_CTRL_PD |
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# define IDIV_CTRL_IDIV_MASK IDIVA_CTRL_IDIV_MASK |
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# define IDIV_CTRL_IDIV IDIVA_CTRL_IDIV(BOARD_SPIFI_DIVIDER) |
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# define IDIV_CTRL_IDIV_MAX 4 |
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# define IDIV_CTRL_CLKSEL_MASK IDIVA_CTRL_CLKSEL_MASK |
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# define IDIV_CTRL_CLKSEL_PLL1 (IDIVA_CLKSEL_PLL1 | IDIVA_CTRL_AUTOBLOCK) |
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# define BASE_SPIFI_CLKSEL BASE_SPIFI_CLKSEL_IDIVA |
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#elif defined(BOARD_SPIFI_DIVB) |
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# define LPC43_IDIV_CTRL LPC43_IDIVB_CTRL |
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# define IDIV_CTRL_PD IDIVBCD_CTRL_PD |
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# define IDIV_CTRL_IDIV_MASK IDIVBCD_CTRL_IDIV_MASK |
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# define IDIV_CTRL_IDIV IDIVBCD_CTRL_IDIV(BOARD_SPIFI_DIVIDER) |
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# define IDIV_CTRL_IDIV_MAX 16 |
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# define IDIV_CTRL_CLKSEL_MASK IDIVBCD_CTRL_CLKSEL_MASK |
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# define IDIV_CTRL_CLKSEL_PLL1 (IDIVBCD_CLKSEL_PLL1 | IDIVBCD_CTRL_AUTOBLOCK) |
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# define BASE_SPIFI_CLKSEL BASE_SPIFI_CLKSEL_IDIVB |
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#elif defined(BOARD_SPIFI_DIVC) |
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# define LPC43_IDIV_CTRL LPC43_IDIVC_CTRL |
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# define IDIV_CTRL_PD IDIVBCD_CTRL_PD |
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# define IDIV_CTRL_IDIV_MASK IDIVBCD_CTRL_IDIV_MASK |
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# define IDIV_CTRL_IDIV IDIVBCD_CTRL_IDIV(BOARD_SPIFI_DIVIDER) |
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# define IDIV_CTRL_IDIV_MAX 16 |
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# define IDIV_CTRL_CLKSEL_MASK IDIVBCD_CTRL_CLKSEL_MASK |
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# define IDIV_CTRL_CLKSEL_PLL1 (IDIVBCD_CLKSEL_PLL1 | IDIVBCD_CTRL_AUTOBLOCK) |
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# define BASE_SPIFI_CLKSEL BASE_SPIFI_CLKSEL_IDIVC |
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#elif defined(BOARD_SPIFI_DIVD) |
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# define LPC43_IDIV_CTRL LPC43_IDIVD_CTRL |
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# define IDIV_CTRL_PD IDIVBCD_CTRL_PD |
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# define IDIV_CTRL_IDIV_MASK IDIVBCD_CTRL_IDIV_MASK |
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# define IDIV_CTRL_IDIV IDIVBCD_CTRL_IDIV(BOARD_SPIFI_DIVIDER) |
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# define IDIV_CTRL_IDIV_MAX 16 |
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# define IDIV_CTRL_CLKSEL_MASK IDIVBCD_CTRL_CLKSEL_MASK |
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# define IDIV_CTRL_CLKSEL_PLL1 (IDIVBCD_CLKSEL_PLL1 | IDIVBCD_CTRL_AUTOBLOCK) |
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# define BASE_SPIFI_CLKSEL BASE_SPIFI_CLKSEL_IDIVD |
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#elif defined(BOARD_SPIFI_DIVE) |
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# define LPC43_IDIV_CTRL LPC43_IDIVE_CTRL |
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# define IDIV_CTRL_PD IDIVE_CTRL_PD |
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# define IDIV_CTRL_IDIV_MASK IDIVE_CTRL_IDIV_MASK |
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# define IDIV_CTRL_IDIV IDIVE_CTRL_IDIV(BOARD_SPIFI_DIVIDER) |
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# define IDIV_CTRL_IDIV_MAX 256 |
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# define IDIV_CTRL_CLKSEL_MASK IDIVE_CTRL_CLKSEL_MASK |
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# define IDIV_CTRL_CLKSEL_PLL1 (IDIVE_CLKSEL_PLL1 | IDIVE_CTRL_AUTOBLOCK) |
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# define BASE_SPIFI_CLKSEL BASE_SPIFI_CLKSEL_IDIVE |
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#endif |
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#if BOARD_SPIFI_DIVIDER < 1 || BOARD_SPIFI_DIVIDER > IDIV_CTRL_IDIV_MAX |
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# error "Invalid value for BOARD_SPIFI_DIVIDER" |
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#endif |
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/* The final parameter of the spifi_init() ROM driver call should be the
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* serial clock rate divided by 1000000, rounded to an integer. The SPIFI |
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* supports transfer rates of up to SPIFI_CLK/2 bytes per second. The SPIF_CLK |
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* is the output of the LPC43_BASE_SPIFI_CLK configured above; The frequency should |
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* be given by BOARD_SPIFI_FREQUENCY as provided by the board.h header file. |
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*/ |
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#define SCLK_MHZ (BOARD_SPIFI_FREQUENCY + (1000000 / 2)) / 1000000 |
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/****************************************************************************
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* Private Data |
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****************************************************************************/ |
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/****************************************************************************
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* Private Functions |
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****************************************************************************/ |
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|
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/****************************************************************************
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* Name: spifi_idiv_input |
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* |
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* Description: |
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* Configure PLL1 as the input to the selected divider and enable the |
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* divider. |
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* |
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****************************************************************************/ |
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#ifndef BOARD_SPIFI_PLL1 |
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static inline void spifi_idiv_input(void) |
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{ |
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uint32_t regval; |
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/* Configure PLL1 as the input to the selected divider */ |
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regval = getreg32(LPC43_IDIV_CTRL); |
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regval &= ~IDIV_CTRL_CLKSEL_MASK; |
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regval |= IDIV_CTRL_CLKSEL_PLL1; |
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putreg32(regval, LPC43_IDIV_CTRL); |
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/* Enable the divider (by making sure that the power down bit is clear) */ |
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regval &= ~IDIV_CTRL_PD; |
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putreg32(regval, LPC43_IDIV_CTRL); |
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/* Set the divider value */ |
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regval &= ~IDIVA_CTRL_IDIV_MASK; |
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regval |= IDIV_CTRL_IDIV; |
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putreg32(regval, LPC43_IDIV_CTRL); |
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} |
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#else |
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# define spifi_idiv_input() |
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#endif |
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|
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/****************************************************************************
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* Name: spifi_spifi_input |
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* |
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* Description: |
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* Configure the selected divider (or PLL1) as the input to the SPIFI |
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* and enable the SPIFI clock. |
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* |
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****************************************************************************/ |
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|
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static inline void spifi_spifi_input(void) |
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{ |
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uint32_t regval; |
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|
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/* Configure the selected divider (or PLL1) as the input to the SPIFI */ |
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|
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regval = getreg32(LPC43_BASE_SPIFI_CLK); |
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regval &= ~BASE_SPIFI_CLK_CLKSEL_MASK; |
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regval |= BASE_SPIFI_CLKSEL; |
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putreg32(regval, LPC43_BASE_SPIFI_CLK); |
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|
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/* Enable the SPIFI clocking (by making sure that the power down bit is
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* clear) |
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*/ |
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regval &= ~IDIVA_CTRL_PD; |
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putreg32(regval, LPC43_BASE_SPIFI_CLK); |
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} |
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|
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/****************************************************************************
|
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* Name: spifi_pinconfig |
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* |
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* Description: |
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* Configure SPIFI pins |
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* |
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****************************************************************************/ |
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|
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static inline void spifi_pinconfig(void) |
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{ |
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/* Configure SPIFI pins */ |
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|
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lpc43_pin_config(PINCONF_SPIFI_CS); /* Input buffering not needed */ |
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lpc43_pin_config(PINCONF_SPIFI_MISO); /* High drive for SCLK */ |
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lpc43_pin_config(PINCONF_SPIFI_MOSI); |
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lpc43_pin_config(PINCONF_SPIFI_SCK); |
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lpc43_pin_config(PINCONF_SPIFI_SIO2); |
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lpc43_pin_config(PINCONF_SPIFI_SIO3); |
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} |
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|
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/****************************************************************************
|
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* Name: spifi_rominit |
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* |
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* Description: |
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* Initialize the SPIFI ROM driver |
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* |
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****************************************************************************/ |
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|
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static inline int spifi_rominit(void) |
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{ |
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struct spifi_driver_s *pspifi = *((struct spifi_driver_s **)SPIFI_ROM_PTR); |
||||
struct spifi_dev_s dev; |
||||
int32_t result; |
||||
|
||||
/* The final parameter of the spifi_init() ROM driver call should be the
|
||||
* serial clock rate divided by 1000000, rounded to an integer. The SPIFI |
||||
* supports transfer rates of up to SPIFI_CLK/2 bytes per second. The SPIF_CLK |
||||
* is the output of the LPC43_BASE_SPIFI_CLK configured above; The frequency should |
||||
* be given by BOARD_SPIFI_FREQUENCY as provided by the board.h header file. |
||||
* |
||||
* A return value of zero frp spifi_init() indicates success. Non-zero error |
||||
* codes include: |
||||
* |
||||
* 0x2000A No operative serial flash (JEDEC ID all zeroes or all ones) |
||||
* 0x20009 Unknown manufacturer code |
||||
* 0x20008 Unknown device type code |
||||
* 0x20007 Unknown device ID code |
||||
* 0x20006 Unknown extended device ID value (only for Spansion 25FL12x |
||||
* in the initial API) |
||||
* 0x20005 Device status error |
||||
* 0x20004 Operand error: S_MODE3+S_FULLCLK+S_RCVCLK in options |
||||
*/ |
||||
|
||||
result = pspifi->spifi_init(&dev, 9, SPIFI_RCVCLK | SPIFI_FULLCLK, SCLK_MHZ); |
||||
if (result != 0) |
||||
{ |
||||
fdbg("ERROR: spifi_init failed: %05x\n", result); |
||||
|
||||
/* Try again */ |
||||
|
||||
result = pspifi->spifi_init(&dev, 9, SPIFI_RCVCLK | SPIFI_FULLCLK, SCLK_MHZ); |
||||
if (result != 0) |
||||
{ |
||||
fdbg("ERROR: spifi_init failed: %05x\n", result); |
||||
return -ENODEV; |
||||
} |
||||
} |
||||
|
||||
return OK; |
||||
} |
||||
|
||||
/****************************************************************************
|
||||
* Public Functions |
||||
****************************************************************************/ |
||||
|
||||
/****************************************************************************
|
||||
* Function: lpc43_spifi_initialize |
||||
* |
||||
* Description: |
||||
* Initialize the SPIFI interface per settings in the board.h file |
||||
* |
||||
* Input Parameters: |
||||
* None |
||||
* |
||||
* Returned Value: |
||||
* Zero is returned on success; on failure, a negated errno value is |
||||
* returned. |
||||
* |
||||
****************************************************************************/ |
||||
|
||||
int lpc43_spifi_initialize(void) |
||||
{ |
||||
irqstate_t flags; |
||||
int ret = OK; |
||||
|
||||
flags = irqsave(); |
||||
|
||||
/* The SPIFI will receive clocking from a divider per the settings
|
||||
* provided in the board.h file. Configure PLL1 as the input clock |
||||
* for the selected divider |
||||
*/ |
||||
|
||||
spifi_idiv_input(); |
||||
|
||||
/* Configure SPIFI to received clocking from the selected divider */ |
||||
|
||||
spifi_spifi_input(); |
||||
|
||||
/* Configure SPIFI pins */ |
||||
|
||||
spifi_pinconfig(); |
||||
|
||||
|
||||
/* Initialize the SPIFI ROM driver */ |
||||
|
||||
ret = spifi_rominit(); |
||||
irqrestore(flags); |
||||
return ret; |
||||
} |
||||
|
||||
#endif /* CONFIG_LPC43_SPIFI */ |
||||
@ -0,0 +1,84 @@
@@ -0,0 +1,84 @@
|
||||
/****************************************************************************
|
||||
* arch/arm/src/lpc43/lpc43_spifi.h |
||||
* |
||||
* Copyright (C) 2012 Gregory Nutt. All rights reserved. |
||||
* Author: Gregory Nutt <gnutt@nuttx.org> |
||||
* |
||||
* 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 NuttX 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. |
||||
* |
||||
****************************************************************************/ |
||||
|
||||
#ifndef __ARCH_ARM_SRC_LPC43XX_LPC43_SPIFI_H |
||||
#define __ARCH_ARM_SRC_LPC43XX_LPC43_SPIFI_H |
||||
|
||||
/****************************************************************************
|
||||
* Included Files |
||||
****************************************************************************/ |
||||
|
||||
#include <nuttx/config.h> |
||||
|
||||
#include "chip.h" |
||||
#include "chip/lpc43_spifi.h" |
||||
|
||||
#ifdef CONFIG_LPC43_SPIFI |
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions |
||||
****************************************************************************/ |
||||
|
||||
/****************************************************************************
|
||||
* Private Data |
||||
****************************************************************************/ |
||||
|
||||
/****************************************************************************
|
||||
* Private Functions |
||||
****************************************************************************/ |
||||
|
||||
/****************************************************************************
|
||||
* Public Functions |
||||
****************************************************************************/ |
||||
/****************************************************************************
|
||||
* Function: lpc43_spifi_initialize |
||||
* |
||||
* Description: |
||||
* Initialize the SPIFI interface per settings in the board.h file |
||||
* |
||||
* Input Parameters: |
||||
* None |
||||
* |
||||
* Returned Value: |
||||
* Zero is returned on success; on failure, a negated errno value is |
||||
* returned. |
||||
* |
||||
****************************************************************************/ |
||||
|
||||
int lpc43_spifi_initialize(void); |
||||
|
||||
#endif /* CONFIG_LPC43_SPIFI */ |
||||
#endif /* __ARCH_ARM_SRC_LPC43XX_LPC43_SPIFI_H */ |
||||
|
||||
Loading…
Reference in new issue