--- /dev/null
+/*******************************************************************************
+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;
+}
+
projects / openwrt / svn-archive / archive.git / blobdiff