diff options
Diffstat (limited to 'target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/sflash/mvSFlash.c')
| -rw-r--r-- | target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/sflash/mvSFlash.c | 1522 |
1 files changed, 0 insertions, 1522 deletions
diff --git a/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/sflash/mvSFlash.c b/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/sflash/mvSFlash.c deleted file mode 100644 index 6c5bc191cc..0000000000 --- a/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/sflash/mvSFlash.c +++ /dev/null @@ -1,1522 +0,0 @@ -/******************************************************************************* -Copyright (C) Marvell International Ltd. and its affiliates - -This software file (the "File") is owned and distributed by Marvell -International Ltd. and/or its affiliates ("Marvell") under the following -alternative licensing terms. Once you have made an election to distribute the -File under one of the following license alternatives, please (i) delete this -introductory statement regarding license alternatives, (ii) delete the two -license alternatives that you have not elected to use and (iii) preserve the -Marvell copyright notice above. - -******************************************************************************** -Marvell Commercial License Option - -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. - -******************************************************************************** -Marvell GPL License Option - -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 -Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 or -on the worldwide web at http://www.gnu.org/licenses/gpl.txt. - -THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE IMPLIED -WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY -DISCLAIMED. The GPL License provides additional details about this warranty -disclaimer. -******************************************************************************** -Marvell BSD License Option - -If you received this File from Marvell, you may opt to use, redistribute and/or -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: - - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - - * 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. - - * Neither the name of Marvell 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. - -*******************************************************************************/ -#include "mvOs.h" -#include "sflash/mvSFlash.h" -#include "sflash/mvSFlashSpec.h" -#include "spi/mvSpi.h" -#include "spi/mvSpiCmnd.h" -#include "ctrlEnv/mvCtrlEnvLib.h" - -/*#define MV_DEBUG*/ -#ifdef MV_DEBUG -#define DB(x) x -#else -#define DB(x) -#endif - -/* Globals */ -static MV_SFLASH_DEVICE_PARAMS sflash[] = { - /* ST M25P32 SPI flash, 4MB, 64 sectors of 64K each */ - { - MV_M25P_WREN_CMND_OPCD, - MV_M25P_WRDI_CMND_OPCD, - MV_M25P_RDID_CMND_OPCD, - MV_M25P_RDSR_CMND_OPCD, - MV_M25P_WRSR_CMND_OPCD, - MV_M25P_READ_CMND_OPCD, - MV_M25P_FAST_RD_CMND_OPCD, - MV_M25P_PP_CMND_OPCD, - MV_M25P_SE_CMND_OPCD, - MV_M25P_BE_CMND_OPCD, - MV_M25P_RES_CMND_OPCD, - MV_SFLASH_NO_SPECIFIC_OPCD, /* power save not supported */ - MV_M25P32_SECTOR_SIZE, - MV_M25P32_SECTOR_NUMBER, - MV_M25P_PAGE_SIZE, - "ST M25P32", - MV_M25PXXX_ST_MANF_ID, - MV_M25P32_DEVICE_ID, - MV_M25P32_MAX_SPI_FREQ, - MV_M25P32_MAX_FAST_SPI_FREQ, - MV_M25P32_FAST_READ_DUMMY_BYTES - }, - /* ST M25P64 SPI flash, 8MB, 128 sectors of 64K each */ - { - MV_M25P_WREN_CMND_OPCD, - MV_M25P_WRDI_CMND_OPCD, - MV_M25P_RDID_CMND_OPCD, - MV_M25P_RDSR_CMND_OPCD, - MV_M25P_WRSR_CMND_OPCD, - MV_M25P_READ_CMND_OPCD, - MV_M25P_FAST_RD_CMND_OPCD, - MV_M25P_PP_CMND_OPCD, - MV_M25P_SE_CMND_OPCD, - MV_M25P_BE_CMND_OPCD, - MV_M25P_RES_CMND_OPCD, - MV_SFLASH_NO_SPECIFIC_OPCD, /* power save not supported */ - MV_M25P64_SECTOR_SIZE, - MV_M25P64_SECTOR_NUMBER, - MV_M25P_PAGE_SIZE, - "ST M25P64", - MV_M25PXXX_ST_MANF_ID, - MV_M25P64_DEVICE_ID, - MV_M25P64_MAX_SPI_FREQ, - MV_M25P64_MAX_FAST_SPI_FREQ, - MV_M25P64_FAST_READ_DUMMY_BYTES - }, - /* ST M25P128 SPI flash, 16MB, 64 sectors of 256K each */ - { - MV_M25P_WREN_CMND_OPCD, - MV_M25P_WRDI_CMND_OPCD, - MV_M25P_RDID_CMND_OPCD, - MV_M25P_RDSR_CMND_OPCD, - MV_M25P_WRSR_CMND_OPCD, - MV_M25P_READ_CMND_OPCD, - MV_M25P_FAST_RD_CMND_OPCD, - MV_M25P_PP_CMND_OPCD, - MV_M25P_SE_CMND_OPCD, - MV_M25P_BE_CMND_OPCD, - MV_M25P_RES_CMND_OPCD, - MV_SFLASH_NO_SPECIFIC_OPCD, /* power save not supported */ - MV_M25P128_SECTOR_SIZE, - MV_M25P128_SECTOR_NUMBER, - MV_M25P_PAGE_SIZE, - "ST M25P128", - MV_M25PXXX_ST_MANF_ID, - MV_M25P128_DEVICE_ID, - MV_M25P128_MAX_SPI_FREQ, - MV_M25P128_MAX_FAST_SPI_FREQ, - MV_M25P128_FAST_READ_DUMMY_BYTES - }, - /* Macronix MXIC MX25L6405 SPI flash, 8MB, 128 sectors of 64K each */ - { - MV_MX25L_WREN_CMND_OPCD, - MV_MX25L_WRDI_CMND_OPCD, - MV_MX25L_RDID_CMND_OPCD, - MV_MX25L_RDSR_CMND_OPCD, - MV_MX25L_WRSR_CMND_OPCD, - MV_MX25L_READ_CMND_OPCD, - MV_MX25L_FAST_RD_CMND_OPCD, - MV_MX25L_PP_CMND_OPCD, - MV_MX25L_SE_CMND_OPCD, - MV_MX25L_BE_CMND_OPCD, - MV_MX25L_RES_CMND_OPCD, - MV_MX25L_DP_CMND_OPCD, - MV_MX25L6405_SECTOR_SIZE, - MV_MX25L6405_SECTOR_NUMBER, - MV_MXIC_PAGE_SIZE, - "MXIC MX25L6405", - MV_MXIC_MANF_ID, - MV_MX25L6405_DEVICE_ID, - MV_MX25L6405_MAX_SPI_FREQ, - MV_MX25L6405_MAX_FAST_SPI_FREQ, - MV_MX25L6405_FAST_READ_DUMMY_BYTES - }, - /* SPANSION S25FL128P SPI flash, 16MB, 64 sectors of 256K each */ - { - MV_S25FL_WREN_CMND_OPCD, - MV_S25FL_WRDI_CMND_OPCD, - MV_S25FL_RDID_CMND_OPCD, - MV_S25FL_RDSR_CMND_OPCD, - MV_S25FL_WRSR_CMND_OPCD, - MV_S25FL_READ_CMND_OPCD, - MV_S25FL_FAST_RD_CMND_OPCD, - MV_S25FL_PP_CMND_OPCD, - MV_S25FL_SE_CMND_OPCD, - MV_S25FL_BE_CMND_OPCD, - MV_S25FL_RES_CMND_OPCD, - MV_S25FL_DP_CMND_OPCD, - MV_S25FL128_SECTOR_SIZE, - MV_S25FL128_SECTOR_NUMBER, - MV_S25FL_PAGE_SIZE, - "SPANSION S25FL128", - MV_SPANSION_MANF_ID, - MV_S25FL128_DEVICE_ID, - MV_S25FL128_MAX_SPI_FREQ, - MV_M25P128_MAX_FAST_SPI_FREQ, - MV_M25P128_FAST_READ_DUMMY_BYTES - } -}; - -/* Static Functions */ -static MV_STATUS mvWriteEnable (MV_SFLASH_INFO * pFlinfo); -static MV_STATUS mvStatusRegGet (MV_SFLASH_INFO * pFlinfo, MV_U8 * pStatReg); -static MV_STATUS mvStatusRegSet (MV_SFLASH_INFO * pFlinfo, MV_U8 sr); -static MV_STATUS mvWaitOnWipClear(MV_SFLASH_INFO * pFlinfo); -static MV_STATUS mvSFlashPageWr (MV_SFLASH_INFO * pFlinfo, MV_U32 offset, \ - MV_U8* pPageBuff, MV_U32 buffSize); -static MV_STATUS mvSFlashWithDefaultsIdGet (MV_SFLASH_INFO * pFlinfo, \ - MV_U8* manId, MV_U16* devId); - -/******************************************************************************* -* mvWriteEnable - serialize the write enable sequence -* -* DESCRIPTION: -* transmit the sequence for write enable -* -********************************************************************************/ -static MV_STATUS mvWriteEnable(MV_SFLASH_INFO * pFlinfo) -{ - MV_U8 cmd[MV_SFLASH_WREN_CMND_LENGTH]; - - - cmd[0] = sflash[pFlinfo->index].opcdWREN; - - return mvSpiWriteThenRead(cmd, MV_SFLASH_WREN_CMND_LENGTH, NULL, 0, 0); -} - -/******************************************************************************* -* mvStatusRegGet - Retrieve the value of the status register -* -* DESCRIPTION: -* perform the RDSR sequence to get the 8bit status register -* -********************************************************************************/ -static MV_STATUS mvStatusRegGet(MV_SFLASH_INFO * pFlinfo, MV_U8 * pStatReg) -{ - MV_STATUS ret; - MV_U8 cmd[MV_SFLASH_RDSR_CMND_LENGTH]; - MV_U8 sr[MV_SFLASH_RDSR_REPLY_LENGTH]; - - - - - cmd[0] = sflash[pFlinfo->index].opcdRDSR; - - if ((ret = mvSpiWriteThenRead(cmd, MV_SFLASH_RDSR_CMND_LENGTH, sr, - MV_SFLASH_RDSR_REPLY_LENGTH,0)) != MV_OK) - return ret; - - *pStatReg = sr[0]; - - return MV_OK; -} - -/******************************************************************************* -* mvWaitOnWipClear - Block waiting for the WIP (write in progress) to be cleared -* -* DESCRIPTION: -* Block waiting for the WIP (write in progress) to be cleared -* -********************************************************************************/ -static MV_STATUS mvWaitOnWipClear(MV_SFLASH_INFO * pFlinfo) -{ - MV_STATUS ret; - MV_U32 i; - MV_U8 stat; - - for (i=0; i<MV_SFLASH_MAX_WAIT_LOOP; i++) - { - if ((ret = mvStatusRegGet(pFlinfo, &stat)) != MV_OK) - return ret; - - if ((stat & MV_SFLASH_STATUS_REG_WIP_MASK) == 0) - return MV_OK; - } - - DB(mvOsPrintf("%s WARNING: Write Timeout!\n", __FUNCTION__);) - return MV_TIMEOUT; -} - -/******************************************************************************* -* mvWaitOnChipEraseDone - Block waiting for the WIP (write in progress) to be -* cleared after a chip erase command which is supposed -* to take about 2:30 minutes -* -* DESCRIPTION: -* Block waiting for the WIP (write in progress) to be cleared -* -********************************************************************************/ -static MV_STATUS mvWaitOnChipEraseDone(MV_SFLASH_INFO * pFlinfo) -{ - MV_STATUS ret; - MV_U32 i; - MV_U8 stat; - - for (i=0; i<MV_SFLASH_CHIP_ERASE_MAX_WAIT_LOOP; i++) - { - if ((ret = mvStatusRegGet(pFlinfo, &stat)) != MV_OK) - return ret; - - if ((stat & MV_SFLASH_STATUS_REG_WIP_MASK) == 0) - return MV_OK; - } - - DB(mvOsPrintf("%s WARNING: Write Timeout!\n", __FUNCTION__);) - return MV_TIMEOUT; -} - -/******************************************************************************* -* mvStatusRegSet - Set the value of the 8bit status register -* -* DESCRIPTION: -* Set the value of the 8bit status register -* -********************************************************************************/ -static MV_STATUS mvStatusRegSet(MV_SFLASH_INFO * pFlinfo, MV_U8 sr) -{ - MV_STATUS ret; - MV_U8 cmd[MV_SFLASH_WRSR_CMND_LENGTH]; - - - /* Issue the Write enable command prior the WRSR command */ - if ((ret = mvWriteEnable(pFlinfo)) != MV_OK) - return ret; - - /* Write the SR with the new values */ - cmd[0] = sflash[pFlinfo->index].opcdWRSR; - cmd[1] = sr; - - if ((ret = mvSpiWriteThenRead(cmd, MV_SFLASH_WRSR_CMND_LENGTH, NULL, 0, 0)) != MV_OK) - return ret; - - if ((ret = mvWaitOnWipClear(pFlinfo)) != MV_OK) - return ret; - - mvOsDelay(1); - - return MV_OK; -} - -/******************************************************************************* -* mvSFlashPageWr - Write up to 256 Bytes in the same page -* -* DESCRIPTION: -* Write a buffer up to the page size in length provided that the whole address -* range is within the same page (alligned to page bounderies) -* -*******************************************************************************/ -static MV_STATUS mvSFlashPageWr (MV_SFLASH_INFO * pFlinfo, MV_U32 offset, - MV_U8* pPageBuff, MV_U32 buffSize) -{ - MV_STATUS ret; - MV_U8 cmd[MV_SFLASH_PP_CMND_LENGTH]; - - - /* Protection - check if the model was detected */ - if (pFlinfo->index >= MV_ARRAY_SIZE(sflash)) - { - DB(mvOsPrintf("%s WARNING: Invalid parameter device index!\n", __FUNCTION__);) - return MV_BAD_PARAM; - } - - /* check that we do not cross the page bounderies */ - if (((offset & (sflash[pFlinfo->index].pageSize - 1)) + buffSize) > - sflash[pFlinfo->index].pageSize) - { - DB(mvOsPrintf("%s WARNING: Page allignment problem!\n", __FUNCTION__);) - return MV_OUT_OF_RANGE; - } - - /* Issue the Write enable command prior the page program command */ - if ((ret = mvWriteEnable(pFlinfo)) != MV_OK) - return ret; - - cmd[0] = sflash[pFlinfo->index].opcdPP; - cmd[1] = ((offset >> 16) & 0xFF); - cmd[2] = ((offset >> 8) & 0xFF); - cmd[3] = (offset & 0xFF); - - if ((ret = mvSpiWriteThenWrite(cmd, MV_SFLASH_PP_CMND_LENGTH, pPageBuff, buffSize)) != MV_OK) - return ret; - - if ((ret = mvWaitOnWipClear(pFlinfo)) != MV_OK) - return ret; - - return MV_OK; -} - -/******************************************************************************* -* mvSFlashWithDefaultsIdGet - Try to read the manufacturer and Device IDs from -* the device using the default RDID opcode and the default WREN opcode. -* -* DESCRIPTION: -* This is used to detect a generic device that uses the default opcodes -* for the WREN and RDID. -* -********************************************************************************/ -static MV_STATUS mvSFlashWithDefaultsIdGet (MV_SFLASH_INFO * pFlinfo, MV_U8* manId, MV_U16* devId) -{ - MV_STATUS ret; - MV_U8 cmdRDID[MV_SFLASH_RDID_CMND_LENGTH]; - MV_U8 id[MV_SFLASH_RDID_REPLY_LENGTH]; - - - - /* Use the default RDID opcode to read the IDs */ - cmdRDID[0] = MV_SFLASH_DEFAULT_RDID_OPCD; /* unknown model try default */ - if ((ret = mvSpiWriteThenRead(cmdRDID, MV_SFLASH_RDID_CMND_LENGTH, id, MV_SFLASH_RDID_REPLY_LENGTH, 0)) != MV_OK) - return ret; - - *manId = id[0]; - *devId = 0; - *devId |= (id[1] << 8); - *devId |= id[2]; - - return MV_OK; -} - -/* -##################################################################################### -##################################################################################### -*/ - -/******************************************************************************* -* mvSFlashInit - Initialize the serial flash device -* -* DESCRIPTION: -* Perform the neccessary initialization and configuration -* -* INPUT: -* pFlinfo: pointer to the Flash information structure -* pFlinfo->baseAddr: base address in fast mode. -* pFlinfo->index: Index of the flash in the sflash tabel. If the SPI -* flash device does not support read Id command with -* the standard opcode, then the user should supply this -* as an input to skip the autodetection process!!!! -* -* OUTPUT: -* pFlinfo: pointer to the Flash information structure after detection -* pFlinfo->manufacturerId: Manufacturer ID -* pFlinfo->deviceId: Device ID -* pFlinfo->sectorSize: size of the sector (all sectors are the same). -* pFlinfo->sectorNumber: number of sectors. -* pFlinfo->pageSize: size of the page. -* pFlinfo->index: Index of the detected flash in the sflash tabel -* -* RETURN: -* Success or Error code. -* -* -*******************************************************************************/ -MV_STATUS mvSFlashInit (MV_SFLASH_INFO * pFlinfo) -{ - MV_STATUS ret; - MV_U8 manf; - MV_U16 dev; - MV_U32 indx; - MV_BOOL detectFlag = MV_FALSE; - - /* check for NULL pointer */ - if (pFlinfo == NULL) - { - mvOsPrintf("%s ERROR: Null pointer parameter!\n", __FUNCTION__); - return MV_BAD_PARAM; - } - - /* Initialize the SPI interface with low frequency to make sure that the read ID succeeds */ - if ((ret = mvSpiInit(MV_SFLASH_BASIC_SPI_FREQ)) != MV_OK) - { - mvOsPrintf("%s ERROR: Failed to initialize the SPI interface!\n", __FUNCTION__); - return ret; - } - - /* First try to read the Manufacturer and Device IDs */ - if ((ret = mvSFlashIdGet(pFlinfo, &manf, &dev)) != MV_OK) - { - mvOsPrintf("%s ERROR: Failed to get the SFlash ID!\n", __FUNCTION__); - return ret; - } - - /* loop over the whole table and look for the appropriate SFLASH */ - for (indx=0; indx<MV_ARRAY_SIZE(sflash); indx++) - { - if ((manf == sflash[indx].manufacturerId) && (dev == sflash[indx].deviceId)) - { - pFlinfo->manufacturerId = manf; - pFlinfo->deviceId = dev; - pFlinfo->index = indx; - detectFlag = MV_TRUE; - } - } - - if(!detectFlag) - { - mvOsPrintf("%s ERROR: Unknown SPI flash device!\n", __FUNCTION__); - return MV_FAIL; - } - - /* fill the info based on the model detected */ - pFlinfo->sectorSize = sflash[pFlinfo->index].sectorSize; - pFlinfo->sectorNumber = sflash[pFlinfo->index].sectorNumber; - pFlinfo->pageSize = sflash[pFlinfo->index].pageSize; - - /* Set the SPI frequency to the MAX allowed for the device for best performance */ - if ((ret = mvSpiBaudRateSet(sflash[pFlinfo->index].spiMaxFreq)) != MV_OK) - { - mvOsPrintf("%s ERROR: Failed to set the SPI frequency!\n", __FUNCTION__); - return ret; - } - - /* As default lock the SR */ - if ((ret = mvSFlashStatRegLock(pFlinfo, MV_TRUE)) != MV_OK) - return ret; - - return MV_OK; -} - -/******************************************************************************* -* mvSFlashSectorErase - Erasse a single sector of the serial flash -* -* DESCRIPTION: -* Issue the erase sector command and address -* -* INPUT: -* pFlinfo: pointer to the Flash information structure -* secNumber: sector Number to erase (0 -> (sectorNumber-1)) -* -* OUTPUT: -* None -* -* RETURN: -* Success or Error code. -* -* -*******************************************************************************/ -MV_STATUS mvSFlashSectorErase (MV_SFLASH_INFO * pFlinfo, MV_U32 secNumber) -{ - MV_STATUS ret; - MV_U8 cmd[MV_SFLASH_SE_CMND_LENGTH]; - - MV_U32 secAddr = (secNumber * pFlinfo->sectorSize); -#if 0 - MV_U32 i; - MV_U32 * pW = (MV_U32*) (secAddr + pFlinfo->baseAddr); - MV_U32 erasedWord = 0xFFFFFFFF; - MV_U32 wordsPerSector = (pFlinfo->sectorSize / sizeof(MV_U32)); - MV_BOOL eraseNeeded = MV_FALSE; -#endif - /* check for NULL pointer */ - if (pFlinfo == NULL) - { - mvOsPrintf("%s ERROR: Null pointer parameter!\n", __FUNCTION__); - return MV_BAD_PARAM; - } - - /* Protection - check if the model was detected */ - if (pFlinfo->index >= MV_ARRAY_SIZE(sflash)) - { - DB(mvOsPrintf("%s WARNING: Invaild parameter index!\n", __FUNCTION__);) - return MV_BAD_PARAM; - } - - /* check that the sector number is valid */ - if (secNumber >= pFlinfo->sectorNumber) - { - DB(mvOsPrintf("%s WARNING: Invaild parameter sector number!\n", __FUNCTION__);) - return MV_BAD_PARAM; - } - - /* we don't want to access SPI in direct mode from in-direct API, - becasue of timing issue between CS asserts. */ -#if 0 - /* First compare to FF and check if erase is needed */ - for (i=0; i<wordsPerSector; i++) - { - if (memcmp(pW, &erasedWord, sizeof(MV_U32)) != 0) - { - eraseNeeded = MV_TRUE; - break; - } - - ++pW; - } - if (!eraseNeeded) - return MV_OK; -#endif - - cmd[0] = sflash[pFlinfo->index].opcdSE; - cmd[1] = ((secAddr >> 16) & 0xFF); - cmd[2] = ((secAddr >> 8) & 0xFF); - cmd[3] = (secAddr & 0xFF); - - /* Issue the Write enable command prior the sector erase command */ - if ((ret = mvWriteEnable(pFlinfo)) != MV_OK) - return ret; - - if ((ret = mvSpiWriteThenWrite(cmd, MV_SFLASH_SE_CMND_LENGTH, NULL, 0)) != MV_OK) - return ret; - - if ((ret = mvWaitOnWipClear(pFlinfo)) != MV_OK) - return ret; - - return MV_OK; -} - -/******************************************************************************* -* mvSFlashChipErase - Erasse the whole serial flash -* -* DESCRIPTION: -* Issue the bulk (chip) erase command -* -* INPUT: -* pFlinfo: pointer to the Flash information structure -* -* OUTPUT: -* None -* -* RETURN: -* Success or Error code. -* -* -*******************************************************************************/ -MV_STATUS mvSFlashChipErase (MV_SFLASH_INFO * pFlinfo) -{ - MV_STATUS ret; - MV_U8 cmd[MV_SFLASH_BE_CMND_LENGTH]; - - - /* check for NULL pointer */ - if (pFlinfo == NULL) - { - mvOsPrintf("%s ERROR: Null pointer parameter!\n", __FUNCTION__); - return MV_BAD_PARAM; - } - - /* Protection - check if the model was detected */ - if (pFlinfo->index >= MV_ARRAY_SIZE(sflash)) - { - DB(mvOsPrintf("%s WARNING: Invaild parameter index!\n", __FUNCTION__);) - return MV_BAD_PARAM; - } - - cmd[0] = sflash[pFlinfo->index].opcdBE; - - /* Issue the Write enable command prior the Bulk erase command */ - if ((ret = mvWriteEnable(pFlinfo)) != MV_OK) - return ret; - - if ((ret = mvSpiWriteThenWrite(cmd, MV_SFLASH_BE_CMND_LENGTH, NULL, 0)) != MV_OK) - return ret; - - if ((ret = mvWaitOnChipEraseDone(pFlinfo)) != MV_OK) - return ret; - - return MV_OK; -} - -/******************************************************************************* -* mvSFlashBlockRd - Read from the serial flash -* -* DESCRIPTION: -* Issue the read command and address then perfom the needed read -* -* INPUT: -* pFlinfo: pointer to the Flash information structure -* offset: byte offset with the flash to start reading from -* pReadBuff: pointer to the buffer to read the data in -* buffSize: size of the buffer to read. -* -* OUTPUT: -* pReadBuff: pointer to the buffer containing the read data -* -* RETURN: -* Success or Error code. -* -* -*******************************************************************************/ -MV_STATUS mvSFlashBlockRd (MV_SFLASH_INFO * pFlinfo, MV_U32 offset, - MV_U8* pReadBuff, MV_U32 buffSize) -{ - MV_U8 cmd[MV_SFLASH_READ_CMND_LENGTH]; - - - /* check for NULL pointer */ - if ((pFlinfo == NULL) || (pReadBuff == NULL)) - { - mvOsPrintf("%s ERROR: Null pointer parameter!\n", __FUNCTION__); - return MV_BAD_PARAM; - } - - /* Protection - check if the model was detected */ - if (pFlinfo->index >= MV_ARRAY_SIZE(sflash)) - { - DB(mvOsPrintf("%s WARNING: Invaild parameter index!\n", __FUNCTION__);) - return MV_BAD_PARAM; - } - - cmd[0] = sflash[pFlinfo->index].opcdREAD; - cmd[1] = ((offset >> 16) & 0xFF); - cmd[2] = ((offset >> 8) & 0xFF); - cmd[3] = (offset & 0xFF); - - return mvSpiWriteThenRead(cmd, MV_SFLASH_READ_CMND_LENGTH, pReadBuff, buffSize, 0); -} - -/******************************************************************************* -* mvSFlashFastBlockRd - Fast read from the serial flash -* -* DESCRIPTION: -* Issue the fast read command and address then perfom the needed read -* -* INPUT: -* pFlinfo: pointer to the Flash information structure -* offset: byte offset with the flash to start reading from -* pReadBuff: pointer to the buffer to read the data in -* buffSize: size of the buffer to read. -* -* OUTPUT: -* pReadBuff: pointer to the buffer containing the read data -* -* RETURN: -* Success or Error code. -* -* -*******************************************************************************/ -MV_STATUS mvSFlashFastBlockRd (MV_SFLASH_INFO * pFlinfo, MV_U32 offset, - MV_U8* pReadBuff, MV_U32 buffSize) -{ - MV_U8 cmd[MV_SFLASH_READ_CMND_LENGTH]; - MV_STATUS ret; - - /* check for NULL pointer */ - if ((pFlinfo == NULL) || (pReadBuff == NULL)) - { - mvOsPrintf("%s ERROR: Null pointer parameter!\n", __FUNCTION__); - return MV_BAD_PARAM; - } - - /* Protection - check if the model was detected */ - if (pFlinfo->index >= MV_ARRAY_SIZE(sflash)) - { - DB(mvOsPrintf("%s WARNING: Invaild parameter index!\n", __FUNCTION__);) - return MV_BAD_PARAM; - } - - /* Set the SPI frequency to the MAX allowed for fast-read operations */ - mvOsPrintf("Setting freq to %d.\n",sflash[pFlinfo->index].spiMaxFastFreq); - if ((ret = mvSpiBaudRateSet(sflash[pFlinfo->index].spiMaxFastFreq)) != MV_OK) - { - mvOsPrintf("%s ERROR: Failed to set the SPI fast frequency!\n", __FUNCTION__); - return ret; - } - - cmd[0] = sflash[pFlinfo->index].opcdFSTRD; - cmd[1] = ((offset >> 16) & 0xFF); - cmd[2] = ((offset >> 8) & 0xFF); - cmd[3] = (offset & 0xFF); - - - ret = mvSpiWriteThenRead(cmd, MV_SFLASH_READ_CMND_LENGTH, pReadBuff, buffSize, - sflash[pFlinfo->index].spiFastRdDummyBytes); - - /* Reset the SPI frequency to the MAX allowed for the device for best performance */ - if ((ret = mvSpiBaudRateSet(sflash[pFlinfo->index].spiMaxFreq)) != MV_OK) - { - mvOsPrintf("%s ERROR: Failed to set the SPI frequency!\n", __FUNCTION__); - return ret; - } - - return ret; -} - - -/******************************************************************************* -* mvSFlashBlockWr - Write a buffer with any size -* -* DESCRIPTION: -* write regardless of the page boundaries and size limit per Page -* program command -* -* INPUT: -* pFlinfo: pointer to the Flash information structure -* offset: byte offset within the flash region -* pWriteBuff: pointer to the buffer holding the data to program -* buffSize: size of the buffer to write -* -* OUTPUT: -* None -* -* RETURN: -* Success or Error code. -* -* -*******************************************************************************/ -MV_STATUS mvSFlashBlockWr (MV_SFLASH_INFO * pFlinfo, MV_U32 offset, - MV_U8* pWriteBuff, MV_U32 buffSize) -{ - MV_STATUS ret; - MV_U32 data2write = buffSize; - MV_U32 preAllOffset = (offset & MV_SFLASH_PAGE_ALLIGN_MASK(MV_M25P_PAGE_SIZE)); - MV_U32 preAllSz = (preAllOffset ? (MV_M25P_PAGE_SIZE - preAllOffset) : 0); - MV_U32 writeOffset = offset; - - /* check for NULL pointer */ -#ifndef CONFIG_MARVELL - if(NULL == pWriteBuff) - { - mvOsPrintf("%s ERROR: Null pointer parameter!\n", __FUNCTION__); - return MV_BAD_PARAM; - } -#endif - - if (pFlinfo == NULL) - { - mvOsPrintf("%s ERROR: Null pointer parameter!\n", __FUNCTION__); - return MV_BAD_PARAM; - } - - /* Protection - check if the model was detected */ - if (pFlinfo->index >= MV_ARRAY_SIZE(sflash)) - { - DB(mvOsPrintf("%s WARNING: Invaild parameter index!\n", __FUNCTION__);) - return MV_BAD_PARAM; - } - - /* check that the buffer size does not exceed the flash size */ - if ((offset + buffSize) > mvSFlashSizeGet(pFlinfo)) - { - DB(mvOsPrintf("%s WARNING: Write exceeds flash size!\n", __FUNCTION__);) - return MV_OUT_OF_RANGE; - } - - /* check if the total block size is less than the first chunk remainder */ - if (data2write < preAllSz) - preAllSz = data2write; - - /* check if programing does not start at a 64byte alligned offset */ - if (preAllSz) - { - if ((ret = mvSFlashPageWr(pFlinfo, writeOffset, pWriteBuff, preAllSz)) != MV_OK) - return ret; - - /* increment pointers and counters */ - writeOffset += preAllSz; - data2write -= preAllSz; - pWriteBuff += preAllSz; - } - - /* program the data that fits in complete page chunks */ - while (data2write >= sflash[pFlinfo->index].pageSize) - { - if ((ret = mvSFlashPageWr(pFlinfo, writeOffset, pWriteBuff, sflash[pFlinfo->index].pageSize)) != MV_OK) - return ret; - - /* increment pointers and counters */ - writeOffset += sflash[pFlinfo->index].pageSize; - data2write -= sflash[pFlinfo->index].pageSize; - pWriteBuff += sflash[pFlinfo->index].pageSize; - } - - /* program the last partial chunk */ - if (data2write) - { - if ((ret = mvSFlashPageWr(pFlinfo, writeOffset, pWriteBuff, data2write)) != MV_OK) - return ret; - } - - return MV_OK; -} - -/******************************************************************************* -* mvSFlashIdGet - Get the manufacturer and device IDs. -* -* DESCRIPTION: -* Get the Manufacturer and device IDs from the serial flash through -* writing the RDID command then reading 3 bytes of data. In case that -* this command was called for the first time in order to detect the -* manufacturer and device IDs, then the default RDID opcode will be used -* unless the device index is indicated by the user (in case the SPI flash -* does not use the default RDID opcode). -* -* INPUT: -* pFlinfo: pointer to the Flash information structure -* pManId: pointer to the 8bit variable to hold the manufacturing ID -* pDevId: pointer to the 16bit variable to hold the device ID -* -* OUTPUT: -* pManId: pointer to the 8bit variable holding the manufacturing ID -* pDevId: pointer to the 16bit variable holding the device ID -* -* RETURN: -* Success or Error code. -* -* -*******************************************************************************/ -MV_STATUS mvSFlashIdGet (MV_SFLASH_INFO * pFlinfo, MV_U8* pManId, MV_U16* pDevId) -{ - MV_STATUS ret; - MV_U8 cmd[MV_SFLASH_RDID_CMND_LENGTH]; - MV_U8 id[MV_SFLASH_RDID_REPLY_LENGTH]; - - - - /* check for NULL pointer */ - if ((pFlinfo == NULL) || (pManId == NULL) || (pDevId == NULL)) - { - mvOsPrintf("%s ERROR: Null pointer parameter!\n", __FUNCTION__); - return MV_BAD_PARAM; - } - - if (pFlinfo->index >= MV_ARRAY_SIZE(sflash)) - return mvSFlashWithDefaultsIdGet(pFlinfo, pManId, pDevId); - else - cmd[0] = sflash[pFlinfo->index].opcdRDID; - - if ((ret = mvSpiWriteThenRead(cmd, MV_SFLASH_RDID_CMND_LENGTH, id, MV_SFLASH_RDID_REPLY_LENGTH, 0)) != MV_OK) - return ret; - - *pManId = id[0]; - *pDevId = 0; - *pDevId |= (id[1] << 8); - *pDevId |= id[2]; - - return MV_OK; -} - -/******************************************************************************* -* mvSFlashWpRegionSet - Set the Write-Protected region -* -* DESCRIPTION: -* Set the Write-Protected region -* -* INPUT: -* pFlinfo: pointer to the Flash information structure -* wpRegion: which region will be protected -* -* OUTPUT: -* None -* -* RETURN: -* Success or Error code. -* -* -*******************************************************************************/ -MV_STATUS mvSFlashWpRegionSet (MV_SFLASH_INFO * pFlinfo, MV_SFLASH_WP_REGION wpRegion) -{ - MV_U8 wpMask; - - /* check for NULL pointer */ - if (pFlinfo == NULL) - { - mvOsPrintf("%s ERROR: Null pointer parameter!\n", __FUNCTION__); - return MV_BAD_PARAM; - } - - /* Protection - check if the model was detected */ - if (pFlinfo->index >= MV_ARRAY_SIZE(sflash)) - { - DB(mvOsPrintf("%s WARNING: Invaild parameter index!\n", __FUNCTION__);) - return MV_BAD_PARAM; - } - - /* Check if the chip is an ST flash; then WP supports only 3 bits */ - if (pFlinfo->manufacturerId == MV_M25PXXX_ST_MANF_ID) - { - switch (wpRegion) - { - case MV_WP_NONE: - wpMask = MV_M25P_STATUS_BP_NONE; - break; - - case MV_WP_UPR_1OF128: - DB(mvOsPrintf("%s WARNING: Invaild option for this flash chip!\n", __FUNCTION__);) - return MV_NOT_SUPPORTED; - - case MV_WP_UPR_1OF64: - wpMask = MV_M25P_STATUS_BP_1_OF_64; - break; - - case MV_WP_UPR_1OF32: - wpMask = MV_M25P_STATUS_BP_1_OF_32; - break; - - case MV_WP_UPR_1OF16: - wpMask = MV_M25P_STATUS_BP_1_OF_16; - break; - - case MV_WP_UPR_1OF8: - wpMask = MV_M25P_STATUS_BP_1_OF_8; - break; - - case MV_WP_UPR_1OF4: - wpMask = MV_M25P_STATUS_BP_1_OF_4; - break; - - case MV_WP_UPR_1OF2: - wpMask = MV_M25P_STATUS_BP_1_OF_2; - break; - - case MV_WP_ALL: - wpMask = MV_M25P_STATUS_BP_ALL; - break; - - default: - DB(mvOsPrintf("%s WARNING: Invaild parameter WP region!\n", __FUNCTION__);) - return MV_BAD_PARAM; - } - } - /* check if the manufacturer is MXIC then the WP is 4bits */ - else if (pFlinfo->manufacturerId == MV_MXIC_MANF_ID) - { - switch (wpRegion) - { - case MV_WP_NONE: - wpMask = MV_MX25L_STATUS_BP_NONE; - break; - - case MV_WP_UPR_1OF128: - wpMask = MV_MX25L_STATUS_BP_1_OF_128; - break; - - case MV_WP_UPR_1OF64: - wpMask = MV_MX25L_STATUS_BP_1_OF_64; - break; - - case MV_WP_UPR_1OF32: - wpMask = MV_MX25L_STATUS_BP_1_OF_32; - break; - - case MV_WP_UPR_1OF16: - wpMask = MV_MX25L_STATUS_BP_1_OF_16; - break; - - case MV_WP_UPR_1OF8: - wpMask = MV_MX25L_STATUS_BP_1_OF_8; - break; - - case MV_WP_UPR_1OF4: - wpMask = MV_MX25L_STATUS_BP_1_OF_4; - break; - - case MV_WP_UPR_1OF2: - wpMask = MV_MX25L_STATUS_BP_1_OF_2; - break; - - case MV_WP_ALL: - wpMask = MV_MX25L_STATUS_BP_ALL; - break; - - default: - DB(mvOsPrintf("%s WARNING: Invaild parameter WP region!\n", __FUNCTION__);) - return MV_BAD_PARAM; - } - } - /* check if the manufacturer is SPANSION then the WP is 4bits */ - else if (pFlinfo->manufacturerId == MV_SPANSION_MANF_ID) - { - switch (wpRegion) - { - case MV_WP_NONE: - wpMask = MV_S25FL_STATUS_BP_NONE; - break; - - case MV_WP_UPR_1OF128: - DB(mvOsPrintf("%s WARNING: Invaild option for this flash chip!\n", __FUNCTION__);) - return MV_NOT_SUPPORTED; - - case MV_WP_UPR_1OF64: - wpMask = MV_S25FL_STATUS_BP_1_OF_64; - break; - - case MV_WP_UPR_1OF32: - wpMask = MV_S25FL_STATUS_BP_1_OF_32; - break; - - case MV_WP_UPR_1OF16: - wpMask = MV_S25FL_STATUS_BP_1_OF_16; - break; - - case MV_WP_UPR_1OF8: - wpMask = MV_S25FL_STATUS_BP_1_OF_8; - break; - - case MV_WP_UPR_1OF4: - wpMask = MV_S25FL_STATUS_BP_1_OF_4; - break; - - case MV_WP_UPR_1OF2: - wpMask = MV_S25FL_STATUS_BP_1_OF_2; - break; - - case MV_WP_ALL: - wpMask = MV_S25FL_STATUS_BP_ALL; - break; - - - default: - DB(mvOsPrintf("%s WARNING: Invaild parameter WP region!\n", __FUNCTION__);) - return MV_BAD_PARAM; - } - } - else - { - DB(mvOsPrintf("%s WARNING: Invaild parameter Manufacturer ID!\n", __FUNCTION__);) - return MV_BAD_PARAM; - } - - /* Verify that the SRWD bit is always set - register is s/w locked */ - wpMask |= MV_SFLASH_STATUS_REG_SRWD_MASK; - - return mvStatusRegSet(pFlinfo, wpMask); -} - -/******************************************************************************* -* mvSFlashWpRegionGet - Get the Write-Protected region configured -* -* DESCRIPTION: -* Get from the chip the Write-Protected region configured -* -* INPUT: -* pFlinfo: pointer to the Flash information structure -* pWpRegion: pointer to the variable to return the WP region in -* -* OUTPUT: -* wpRegion: pointer to the variable holding the WP region configured -* -* RETURN: -* Success or Error code. -* -* -*******************************************************************************/ -MV_STATUS mvSFlashWpRegionGet (MV_SFLASH_INFO * pFlinfo, MV_SFLASH_WP_REGION * pWpRegion) -{ - MV_STATUS ret; - MV_U8 reg; - - /* check for NULL pointer */ - if ((pFlinfo == NULL) || (pWpRegion == NULL)) - { - mvOsPrintf("%s ERROR: Null pointer parameter!\n", __FUNCTION__); - return MV_BAD_PARAM; - } - - /* Protection - check if the model was detected */ - if (pFlinfo->index >= MV_ARRAY_SIZE(sflash)) - { - DB(mvOsPrintf("%s WARNING: Invaild parameter index!\n", __FUNCTION__);) - return MV_BAD_PARAM; - } - - if ((ret = mvStatusRegGet(pFlinfo, ®)) != MV_OK) - return ret; - - /* Check if the chip is an ST flash; then WP supports only 3 bits */ - if (pFlinfo->manufacturerId == MV_M25PXXX_ST_MANF_ID) - { - switch ((reg & MV_M25P_STATUS_REG_WP_MASK)) - { - case MV_M25P_STATUS_BP_NONE: - *pWpRegion = MV_WP_NONE; - break; - - case MV_M25P_STATUS_BP_1_OF_64: - *pWpRegion = MV_WP_UPR_1OF64; - break; - - case MV_M25P_STATUS_BP_1_OF_32: - *pWpRegion = MV_WP_UPR_1OF32; - break; - - case MV_M25P_STATUS_BP_1_OF_16: - *pWpRegion = MV_WP_UPR_1OF16; - break; - - case MV_M25P_STATUS_BP_1_OF_8: - *pWpRegion = MV_WP_UPR_1OF8; - break; - - case MV_M25P_STATUS_BP_1_OF_4: - *pWpRegion = MV_WP_UPR_1OF4; - break; - - case MV_M25P_STATUS_BP_1_OF_2: - *pWpRegion = MV_WP_UPR_1OF2; - break; - - case MV_M25P_STATUS_BP_ALL: - *pWpRegion = MV_WP_ALL; - break; - - default: - DB(mvOsPrintf("%s WARNING: Unidentified WP region in h/w!\n", __FUNCTION__);) - return MV_BAD_VALUE; - } - } - /* check if the manufacturer is MXIC then the WP is 4bits */ - else if (pFlinfo->manufacturerId == MV_MXIC_MANF_ID) - { - switch ((reg & MV_MX25L_STATUS_REG_WP_MASK)) - { - case MV_MX25L_STATUS_BP_NONE: - *pWpRegion = MV_WP_NONE; - break; - - case MV_MX25L_STATUS_BP_1_OF_128: - *pWpRegion = MV_WP_UPR_1OF128; - break; - - case MV_MX25L_STATUS_BP_1_OF_64: - *pWpRegion = MV_WP_UPR_1OF64; - break; - - case MV_MX25L_STATUS_BP_1_OF_32: - *pWpRegion = MV_WP_UPR_1OF32; - break; - - case MV_MX25L_STATUS_BP_1_OF_16: - *pWpRegion = MV_WP_UPR_1OF16; - break; - - case MV_MX25L_STATUS_BP_1_OF_8: - *pWpRegion = MV_WP_UPR_1OF8; - break; - - case MV_MX25L_STATUS_BP_1_OF_4: - *pWpRegion = MV_WP_UPR_1OF4; - break; - - case MV_MX25L_STATUS_BP_1_OF_2: - *pWpRegion = MV_WP_UPR_1OF2; - break; - - case MV_MX25L_STATUS_BP_ALL: - *pWpRegion = MV_WP_ALL; - break; - - default: - DB(mvOsPrintf("%s WARNING: Unidentified WP region in h/w!\n", __FUNCTION__);) - return MV_BAD_VALUE; - } - } - /* Check if the chip is an SPANSION flash; then WP supports only 3 bits */ - else if (pFlinfo->manufacturerId == MV_SPANSION_MANF_ID) - { - switch ((reg & MV_S25FL_STATUS_REG_WP_MASK)) - { - case MV_S25FL_STATUS_BP_NONE: - *pWpRegion = MV_WP_NONE; - break; - - case MV_S25FL_STATUS_BP_1_OF_64: - *pWpRegion = MV_WP_UPR_1OF64; - break; - - case MV_S25FL_STATUS_BP_1_OF_32: - *pWpRegion = MV_WP_UPR_1OF32; - break; - - case MV_S25FL_STATUS_BP_1_OF_16: - *pWpRegion = MV_WP_UPR_1OF16; - break; - - case MV_S25FL_STATUS_BP_1_OF_8: - *pWpRegion = MV_WP_UPR_1OF8; - break; - - case MV_S25FL_STATUS_BP_1_OF_4: - *pWpRegion = MV_WP_UPR_1OF4; - break; - - case MV_S25FL_STATUS_BP_1_OF_2: - *pWpRegion = MV_WP_UPR_1OF2; - break; - - case MV_S25FL_STATUS_BP_ALL: - *pWpRegion = MV_WP_ALL; - break; - - default: - DB(mvOsPrintf("%s WARNING: Unidentified WP region in h/w!\n", __FUNCTION__);) - return MV_BAD_VALUE; - } - } - else - { - DB(mvOsPrintf("%s WARNING: Invaild parameter Manufacturer ID!\n", __FUNCTION__);) - return MV_BAD_PARAM; - } - - return MV_OK; -} - -/******************************************************************************* -* mvSFlashStatRegLock - Lock the status register for writing - W/Vpp -* pin should be low to take effect -* -* DESCRIPTION: -* Lock the access to the Status Register for writing. This will -* cause the flash to enter the hardware protection mode if the W/Vpp -* is low. If the W/Vpp is hi, the chip will be in soft protection mode, but -* the register will continue to be writable if WREN sequence was used. -* -* INPUT: -* pFlinfo: pointer to the Flash information structure -* srLock: enable/disable (MV_TRUE/MV_FALSE) status registor lock mechanism -* -* OUTPUT: -* None -* -* RETURN: -* Success or Error code. -* -* -*******************************************************************************/ -MV_STATUS mvSFlashStatRegLock (MV_SFLASH_INFO * pFlinfo, MV_BOOL srLock) -{ - MV_STATUS ret; - MV_U8 reg; - - /* check for NULL pointer */ - if (pFlinfo == NULL) - { - mvOsPrintf("%s ERROR: Null pointer parameter!\n", __FUNCTION__); - return MV_BAD_PARAM; - } - - /* Protection - check if the model was detected */ - if (pFlinfo->index >= MV_ARRAY_SIZE(sflash)) - { - DB(mvOsPrintf("%s WARNING: Invaild parameter index!\n", __FUNCTION__);) - return MV_BAD_PARAM; - } - - if ((ret = mvStatusRegGet(pFlinfo, ®)) != MV_OK) - return ret; - - if (srLock) - reg |= MV_SFLASH_STATUS_REG_SRWD_MASK; - else - reg &= ~MV_SFLASH_STATUS_REG_SRWD_MASK; - - return mvStatusRegSet(pFlinfo, reg); -} - -/******************************************************************************* -* mvSFlashSizeGet - Get the size of the SPI flash -* -* DESCRIPTION: -* based on the sector number and size of each sector calculate the total -* size of the flash memory. -* -* INPUT: -* pFlinfo: pointer to the Flash information structure -* -* OUTPUT: -* None. -* -* RETURN: -* Size of the flash in bytes. -* -* -*******************************************************************************/ -MV_U32 mvSFlashSizeGet (MV_SFLASH_INFO * pFlinfo) -{ - /* check for NULL pointer */ - if (pFlinfo == NULL) - { - mvOsPrintf("%s ERROR: Null pointer parameter!\n", __FUNCTION__); - return 0; - } - - return (pFlinfo->sectorSize * pFlinfo->sectorNumber); -} - -/******************************************************************************* -* mvSFlashPowerSaveEnter - Cause the falsh device to go into power save mode -* -* DESCRIPTION: -* Enter a special power save mode. -* -* INPUT: -* pFlinfo: pointer to the Flash information structure -* -* OUTPUT: -* None. -* -* RETURN: -* Size of the flash in bytes. -* -* -*******************************************************************************/ -MV_STATUS mvSFlashPowerSaveEnter(MV_SFLASH_INFO * pFlinfo) -{ - MV_STATUS ret; - MV_U8 cmd[MV_SFLASH_DP_CMND_LENGTH]; - - - /* check for NULL pointer */ - if (pFlinfo == NULL) - { - mvOsPrintf("%s ERROR: Null pointer parameter!\n", __FUNCTION__); - return 0; - } - - /* Protection - check if the model was detected */ - if (pFlinfo->index >= MV_ARRAY_SIZE(sflash)) - { - DB(mvOsPrintf("%s WARNING: Invaild parameter index!\n", __FUNCTION__);) - return MV_BAD_PARAM; - } - - /* check that power save mode is supported in the specific device */ - if (sflash[pFlinfo->index].opcdPwrSave == MV_SFLASH_NO_SPECIFIC_OPCD) - { - DB(mvOsPrintf("%s WARNING: Power save not supported for this device!\n", __FUNCTION__);) - return MV_NOT_SUPPORTED; - } - - cmd[0] = sflash[pFlinfo->index].opcdPwrSave; - - if ((ret = mvSpiWriteThenWrite(cmd, MV_SFLASH_DP_CMND_LENGTH, NULL, 0)) != MV_OK) - return ret; - - return MV_OK; - -} - -/******************************************************************************* -* mvSFlashPowerSaveExit - Cause the falsh device to exit the power save mode -* -* DESCRIPTION: -* Exit the deep power save mode. -* -* INPUT: -* pFlinfo: pointer to the Flash information structure -* -* OUTPUT: -* None. -* -* RETURN: -* Size of the flash in bytes. -* -* -*******************************************************************************/ -MV_STATUS mvSFlashPowerSaveExit (MV_SFLASH_INFO * pFlinfo) -{ - MV_STATUS ret; - MV_U8 cmd[MV_SFLASH_RES_CMND_LENGTH]; - - - /* check for NULL pointer */ - if (pFlinfo == NULL) - { - mvOsPrintf("%s ERROR: Null pointer parameter!\n", __FUNCTION__); - return 0; - } - - /* Protection - check if the model was detected */ - if (pFlinfo->index >= MV_ARRAY_SIZE(sflash)) - { - DB(mvOsPrintf("%s WARNING: Invaild parameter index!\n", __FUNCTION__);) - return MV_BAD_PARAM; - } - - /* check that power save mode is supported in the specific device */ - if (sflash[pFlinfo->index].opcdRES == MV_SFLASH_NO_SPECIFIC_OPCD) - { - DB(mvOsPrintf("%s WARNING: Read Electronic Signature not supported for this device!\n", __FUNCTION__);) - return MV_NOT_SUPPORTED; - } - - cmd[0] = sflash[pFlinfo->index].opcdRES; - - if ((ret = mvSpiWriteThenWrite(cmd, MV_SFLASH_RES_CMND_LENGTH, NULL, 0)) != MV_OK) - return ret; - - /* add the delay needed for the device to wake up */ - mvOsDelay(MV_MXIC_DP_EXIT_DELAY); /* 30 ms */ - - return MV_OK; - -} - -/******************************************************************************* -* mvSFlashModelGet - Retreive the string with the device manufacturer and model -* -* DESCRIPTION: -* Retreive the string with the device manufacturer and model -* -* INPUT: -* pFlinfo: pointer to the Flash information structure -* -* OUTPUT: -* None. -* -* RETURN: -* pointer to the string indicating the device manufacturer and model -* -* -*******************************************************************************/ -const MV_8 * mvSFlashModelGet (MV_SFLASH_INFO * pFlinfo) -{ - static const MV_8 * unknModel = (const MV_8 *)"Unknown"; - - /* check for NULL pointer */ - if (pFlinfo == NULL) - { - mvOsPrintf("%s ERROR: Null pointer parameter!\n", __FUNCTION__); - return 0; - } - - /* Protection - check if the model was detected */ - if (pFlinfo->index >= MV_ARRAY_SIZE(sflash)) - { - DB(mvOsPrintf("%s WARNING: Invaild parameter index!\n", __FUNCTION__);) - return unknModel; - } - - return sflash[pFlinfo->index].deviceModel; -} - |