| /******************************************************************************* |
| Copyright (C) Marvell International Ltd. and its affiliates |
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| This software file (the "File") is owned and distributed by Marvell |
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| ******************************************************************************** |
| Marvell Commercial License Option |
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| If you received this File from Marvell and you have entered into a commercial |
| license agreement (a "Commercial License") with Marvell, the File is licensed |
| to you under the terms of the applicable Commercial License. |
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| Marvell GPL License Option |
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| If you received this File from Marvell, you may opt to use, redistribute and/or |
| modify this File in accordance with the terms and conditions of the General |
| Public License Version 2, June 1991 (the "GPL License"), a copy of which is |
| available along with the File in the license.txt file or by writing to the Free |
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| WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY |
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| modify this File under the following licensing terms. |
| Redistribution and use in source and binary forms, with or without modification, |
| are permitted provided that the following conditions are met: |
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| * Redistributions of source code must retain the above copyright notice, |
| this list of conditions and the following disclaimer. |
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| * 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. |
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| used to endorse or promote products derived from this software without |
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| 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 |
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| SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| *******************************************************************************/ |
| |
| #include "mvCommon.h" |
| #include "mvOs.h" |
| #include "ctrlEnv/mvCtrlEnvSpec.h" |
| #include "spi/mvSpi.h" |
| #include "spi/mvSpiCmnd.h" |
| #include "sflash/mvSysSFlash.h" |
| #include "sflash/mvSFlashSpec.h" |
| |
| static struct { |
| MV_U8 buf[MV_SFLASH_MAX_CMND_LENGTH]; |
| MV_U32 bufLen; |
| MV_U8 transType; |
| } mvSysSflashCmd; |
| |
| /******************************************************************************* |
| * mvSysSflashCommandSet |
| * |
| * DESCRIPTION: |
| * System interface for sending a command to the SPI flash. |
| * |
| * INPUT: |
| * flashHandle: Handle passed by OS glue by which an SPI flash is |
| * identified. |
| * cmdBuff: Command data to be written. |
| * cmdLen: Command length in bytes. |
| * transType: Bitmask describing the transaction type, see |
| * SYS_SFLASH_TRANS_XX for details. |
| * |
| * OUTPUT: |
| * None. |
| * |
| * RETURN: |
| * MV_OK on success, |
| * MV_ERROR otherwise. |
| * |
| *******************************************************************************/ |
| MV_STATUS mvSysSflashCommandSet(MV_VOID *flashHandle, MV_U8* cmdBuff, MV_U32 cmdLen, |
| MV_U8 transType) |
| { |
| if (cmdLen > MV_SFLASH_MAX_CMND_LENGTH) |
| return MV_ERROR; |
| |
| if (!(transType & SYS_SFLASH_TRANS_START) || (mvSysSflashCmd.transType != 0)) |
| return MV_ERROR; |
| |
| mvSpiParamsSet(0, 0, SPI_TYPE_FLASH); |
| |
| memcpy(mvSysSflashCmd.buf,cmdBuff,cmdLen); |
| mvSysSflashCmd.bufLen = cmdLen; |
| mvSysSflashCmd.transType = transType; |
| |
| if (transType & SYS_SFLASH_TRANS_END) |
| return mvSysSflashDataWrite(flashHandle, NULL, 0, transType); |
| |
| return MV_OK; |
| } |
| |
| |
| /******************************************************************************* |
| * mvSysSflashDataRead |
| * |
| * DESCRIPTION: |
| * System interface for reading SPI flash data. |
| * |
| * INPUT: |
| * flashHandle: Handle passed by OS glue by which an SPI flash is |
| * identified. |
| * dataBuff: Buffer to read the data into. |
| * dataLen: Number of bytes to read. |
| * dummyBytes: Number of dummy bytes to read before reading the real |
| * data. |
| * transType: Bitmask describing the transaction type, see |
| * SYS_SFLASH_TRANS_XX for details. |
| * |
| * OUTPUT: |
| * dataBuff: The data as read from flash. |
| * |
| * RETURN: |
| * MV_OK on success, |
| * MV_ERROR otherwise. |
| * |
| *******************************************************************************/ |
| MV_STATUS mvSysSflashDataRead(MV_VOID *flashHandle, MV_U8* dataBuff, MV_U32 dataLen, |
| MV_U32 dummyBytes, MV_U8 transType) |
| { |
| MV_STATUS ret; |
| |
| if (!(mvSysSflashCmd.transType & SYS_SFLASH_TRANS_START)) |
| return MV_ERROR; |
| |
| |
| ret = mvSpiWriteThenRead (0, mvSysSflashCmd.buf, mvSysSflashCmd.bufLen, |
| dataBuff, dataLen, dummyBytes); |
| if (transType & SYS_SFLASH_TRANS_END) |
| memset(&mvSysSflashCmd,0,sizeof(mvSysSflashCmd)); |
| return ret; |
| } |
| |
| |
| /******************************************************************************* |
| * mvSysSflashDataWrite |
| * |
| * DESCRIPTION: |
| * System interface for writing SPI flash data. |
| * |
| * INPUT: |
| * flashHandle: Handle passed by OS glue by which an SPI flash is |
| * identified. |
| * dataBuff: Buffer holding the data to be written. |
| * dataLen: Number of bytes to write. |
| * transType: Bitmask describing the transaction type, see |
| * SYS_SFLASH_TRANS_XX for details. |
| * |
| * OUTPUT: |
| * None. |
| * |
| * RETURN: |
| * MV_OK on success, |
| * MV_ERROR otherwise. |
| * |
| *******************************************************************************/ |
| MV_STATUS mvSysSflashDataWrite(MV_VOID *flashHandle, MV_U8* dataBuff, MV_U32 dataLen, |
| MV_U8 transType) |
| { |
| MV_STATUS ret; |
| |
| if (!(mvSysSflashCmd.transType & SYS_SFLASH_TRANS_START)) |
| return MV_ERROR; |
| |
| ret = mvSpiWriteThenWrite (0, mvSysSflashCmd.buf, mvSysSflashCmd.bufLen, dataBuff, dataLen); |
| if (transType & SYS_SFLASH_TRANS_END) |
| memset(&mvSysSflashCmd,0,sizeof(mvSysSflashCmd)); |
| return ret; |
| } |
| |
| |
| /******************************************************************************* |
| * mvSysSflashFreqSet |
| * |
| * DESCRIPTION: |
| * System interface for controlling the SPI interface frequency. |
| * |
| * INPUT: |
| * flashHandle: Handle passed by OS glue by which an SPI flash is |
| * identified. |
| * freq: The new frequency to be configured for the SPI IF. |
| * |
| * OUTPUT: |
| * None. |
| * |
| * RETURN: |
| * MV_OK on success, |
| * MV_ERROR otherwise. |
| * |
| *******************************************************************************/ |
| MV_STATUS mvSysSflashFreqSet(MV_VOID *flashHandle, MV_U32 freq) |
| { |
| |
| return mvSpiBaudRateSet(0, freq); |
| } |
| |
