84 lines
3.1 KiB
C
84 lines
3.1 KiB
C
/*
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* Copyright (c) 2010, Mariano Alvira <mar@devl.org> and other contributors
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* to the MC1322x project (http://mc1322x.devl.org)
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* All rights reserved.
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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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* 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 the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be 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 INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of libmc1322x: see http://mc1322x.devl.org
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* for details.
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*
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*
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*/
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#ifndef NVM_H
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#define NVM_H
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#include <stdint.h>
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typedef enum
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{
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gNvmType_NoNvm_c,
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gNvmType_SST_c,
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gNvmType_ST_c,
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gNvmType_ATM_c,
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gNvmType_Max_c
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} nvmType_t;
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typedef enum
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{
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gNvmErrNoError_c = 0,
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gNvmErrInvalidInterface_c,
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gNvmErrInvalidNvmType_c,
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gNvmErrInvalidPointer_c,
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gNvmErrWriteProtect_c,
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gNvmErrVerifyError_c,
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gNvmErrAddressSpaceOverflow_c,
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gNvmErrBlankCheckError_c,
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gNvmErrRestrictedArea_c,
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gNvmErrMaxError_c
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} nvmErr_t;
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typedef enum
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{
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gNvmInternalInterface_c,
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gNvmExternalInterface_c,
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gNvmInterfaceMax_c
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} nvmInterface_t;
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/* ROM code seems to be THUMB */
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/* need to be in a THUMB block before calling them */
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extern nvmErr_t (*nvm_detect)(nvmInterface_t nvmInterface,nvmType_t* pNvmType);
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extern nvmErr_t (*nvm_read)(nvmInterface_t nvmInterface , nvmType_t nvmType , void *pDest, uint32_t address, uint32_t numBytes);
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extern nvmErr_t (*nvm_write)(nvmInterface_t nvmInterface, nvmType_t nvmType ,void *pSrc, uint32_t address, uint32_t numBytes);
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/* sector bit field selects which sector to erase */
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/* SST flash has 32 sectors 4096 bytes each */
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/* bit 0 is the first sector, bit 31 is the last */
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extern nvmErr_t (*nvm_erase)(nvmInterface_t nvmInterface, nvmType_t nvmType ,uint32_t sectorBitfield);
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extern nvmErr_t (*nvm_verify)(nvmInterface_t nvmInterface, nvmType_t nvmType, void *pSrc, uint32_t address, uint32_t numBytes);
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extern void(*nvm_setsvar)(uint32_t zero_for_awesome);
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#endif //NVM_H
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