board/mv_feroceon/mv_kw2/kw2_family/device/mvDevice.c - uboot/prism - Git at Google

 /*******************************************************************************
 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 "mvTypes.h"
 #include "mvOs.h"
 #include "ctrlEnv/mvCtrlEnvLib.h"
 #include "device/mvDevice.h"

 /* defines  */
 #ifdef DEBUG
 #define DB(x)	x
 #else
 #define DB(x)
 #endif

 /*******************************************************************************
 * mvDevPramSet - Set device interface bank parameters
 *
 * DESCRIPTION:
 *       This function sets a device bank parameters to a given device.
 *
 * INPUT:
 *       device      - Device number. See MV_DEVICE enumerator.
 *       *pDevParams - Device bank parameter struct.
 *
 * OUTPUT:
 *       None.
 *
 * RETURN:
 *       MV_BAD_PARAM for bad parameters ,MV_ERROR on error ! otherwise MV_OK
 *
 *******************************************************************************/
 MV_STATUS mvDevIfPramSet(MV_DEVICE device, MV_DEVICE_PARAM *pDevParams)
 {
 	MV_U32 devParam = 0;
 	/* check parameters */
 	if (device >= MV_DEV_MAX_CS) {
 		DB(mvOsPrintf("mvDevIfPramSet: ERR. Invalid Device num %d\n", device));
 		return MV_BAD_PARAM;

 	}
 	if (pDevParams->turnOff > MAX_DBP_TURNOFF) {
 		DB(mvOsPrintf("mvDevIfPramSet: ERR. pDevParams->turnOff out of range\n"));
 		return MV_ERROR;
 	}
 	if (pDevParams->acc2First > MAX_DBP_ACC2FIRST) {
 		DB(mvOsPrintf("mvDevIfPramSet: ERR. pDevParams->acc2First out of range\n"));
 		return MV_ERROR;
 	}
 	if (pDevParams->acc2Next > MAX_DBP_ACC2NEXT) {
 		DB(mvOsPrintf("mvDevIfPramSet: ERR. pDevParams->acc2Next out of range\n"));
 		return MV_ERROR;
 	}
 	if (pDevParams->ale2Wr > MAX_DBP_ALE2WR) {
 		DB(mvOsPrintf("mvDevIfPramSet: ERR. pDevParams->ale2Wr out of range\n"));
 		return MV_ERROR;
 	}
 	if (pDevParams->wrLow > MAX_DBP_WRLOW) {
 		DB(mvOsPrintf("mvDevIfPramSet: ERR. pDevParams->ale2Wr out of range\n"));
 		return MV_ERROR;
 	}
 	if (pDevParams->wrHigh > MAX_DBP_WRHIGH) {
 		DB(mvOsPrintf("mvDevIfPramSet: ERR. pDevParams->ale2Wr out of range\n"));
 		return MV_ERROR;
 	}
 	if ((pDevParams->badrSkew << DBP_BADRSKEW_OFFS) > DBP_BADRSKEW_2CYCLE) {
 		DB(mvOsPrintf("mvDevIfPramSet: ERR. pDevParams->badrSkew out of range\n"));
 		return MV_ERROR;
 	}
 	if ((pDevParams->deviceWidth != 8) && (pDevParams->deviceWidth != 16)) {
 		if (pDevParams->deviceWidth != 32) {
 			DB(mvOsPrintf("mvDevIfPramSet: ERR. pDevParams->deviceWidth out of range\n"));
 			return MV_ERROR;
 		}
 		DB(mvOsPrintf("mvDevIfPramSet: ERR. pDevParams->deviceWidth out of range\n"));
 		return MV_ERROR;
 	}

 	/* devParam = MV_REG_READ(DEV_BANK_PARAM_REG(device)); */
 	/* Bit 31 must be 1 */
 #if !defined(MV78XX0)
 	devParam = DEV_BANK_PARAM_REG_DV;
 #endif
 	/* setting values */
 	devParam |= DBP_TURNOFF_SET(pDevParams->turnOff);
 	devParam |= DBP_ACC2FIRST_SET(pDevParams->acc2First);
 	devParam |= DBP_ACC2NEXT_SET(pDevParams->acc2Next);
 #if !defined(MV78XX0)
 	devParam |= DBP_ALE2WR_SET(pDevParams->ale2Wr);
 	devParam |= DBP_WRLOW_SET(pDevParams->wrLow);
 	devParam |= DBP_WRHIGH_SET(pDevParams->wrHigh);
 #endif
 	devParam |= ((pDevParams->badrSkew & DBP_BADRSKEW_MASK) << DBP_BADRSKEW_OFFS);

 	switch (pDevParams->deviceWidth) {
 	case 8:
 		devParam |= DBP_DEVWIDTH_8BIT;
 		break;
 	case 16:
 		devParam |= DBP_DEVWIDTH_16BIT;
 		break;
 	case 32:
 		devParam |= DBP_DEVWIDTH_32BIT;
 		break;
 	default:
 		DB(mvOsPrintf("mvDevIfPramSet: ERR. pDevParams->deviceWidth non valid value\n"));
 		return MV_ERROR;
 		break;
 	}

 	MV_REG_WRITE(DEV_BANK_PARAM_REG(device), devParam);

 #if defined(MV78XX0)
 	devParam = 0;
 	devParam |= DBP_ALE2WR_SET(pDevParams->ale2Wr);
 	devParam |= DBP_WRLOW_SET(pDevParams->wrLow);
 	devParam |= DBP_WRHIGH_SET(pDevParams->wrHigh);
 	MV_REG_WRITE(DEV_BANK_PARAM_REG_WR(device), devParam);
 #endif

 	return MV_OK;
 }

 /*******************************************************************************
 * mvDevPramget - Get device interface bank parameters
 *
 * DESCRIPTION:
 *       This function retrieves a device bank parameter settings.
 *
 * INPUT:
 *       device      - Device number. See MV_DEVICE enumerator.
 *
 * OUTPUT:
 *       *pDevParams - Device bank parameter struct.
 *
 * RETURN:
 *       MV_BAD_PARAM for bad parameters ,MV_ERROR on error ! otherwise MV_OK
 *
 *******************************************************************************/
 MV_STATUS mvDevPramGet(MV_DEVICE device, MV_DEVICE_PARAM *pDevParams)
 {
 	MV_U32 devParam = 0;

 	/* check parameters */
 	if (device >= MV_DEV_MAX_CS) {
 		DB(mvOsPrintf("mvDevIfPramSet: ERR. Invalid Device num %d\n", device));
 		return MV_BAD_PARAM;

 	}

 	devParam = MV_REG_READ(DEV_BANK_PARAM_REG(device));

 	pDevParams->turnOff = DBP_TURNOFF_GET(devParam);
 	pDevParams->acc2First = DBP_ACC2FIRST_GET(devParam);
 	pDevParams->acc2Next = DBP_ACC2NEXT_GET(devParam);
 #if !defined(MV78XX0)
 	pDevParams->ale2Wr = DBP_ALE2WR_GET(devParam);
 	pDevParams->wrLow = DBP_WRLOW_GET(devParam);
 	pDevParams->wrHigh = DBP_WRHIGH_GET(devParam);
 #endif
 	pDevParams->badrSkew = (devParam & DBP_BADRSKEW_MASK) >> DBP_BADRSKEW_OFFS;

 	switch (devParam & DBP_DEVWIDTH_MASK) {
 	case DBP_DEVWIDTH_8BIT:
 		pDevParams->deviceWidth = 8;
 		break;
 	case DBP_DEVWIDTH_16BIT:
 		pDevParams->deviceWidth = 16;
 		break;
 	case DBP_DEVWIDTH_32BIT:
 		pDevParams->deviceWidth = 32;
 		break;
 	default:
 		DB(mvOsPrintf("mvDevIfPramSet: ERR. pDevParams->deviceWidth non valid value\n"));
 		return MV_ERROR;
 		break;
 	}

 #if defined(MV78XX0)
 	devParam = MV_REG_READ(DEV_BANK_PARAM_REG_WR(device));
 	pDevParams->ale2Wr = DBP_ALE2WR_GET(devParam);
 	pDevParams->wrLow = DBP_WRLOW_GET(devParam);
 	pDevParams->wrHigh = DBP_WRHIGH_GET(devParam);
 #endif

 	return MV_OK;
 }

 /*******************************************************************************
 * mvDevWidthGet - Get device width parameter
 *
 * DESCRIPTION:
 *       This function gets width parameter of a given device.
 *
 * INPUT:
 *       device - Device number. See MV_DEVICE enumerator.
 *
 * OUTPUT:
 *       None.
 *
 * RETURN:
 *       Device width in bytes.
 *
 *******************************************************************************/
 MV_U32 mvDevWidthGet(MV_DEVICE device)
 {
 	MV_U32 devParam;

 	/* check parameters */
 	if (device >= MV_DEV_MAX_CS) {
 		DB(mvOsPrintf("mvDevIfPramSet: ERR. Invalid Device num %d\n", device));
 		return MV_BAD_PARAM;
 	}

 	devParam = MV_REG_READ(DEV_BANK_PARAM_REG(device));

 	devParam = (devParam & DBP_DEVWIDTH_MASK) >> DBP_DEVWIDTH_OFFS;

 	return (MV_U32) (0x8 << devParam);
 }

 /*******************************************************************************
 * mvDevWidthSet - Set device width parameter
 *
 * DESCRIPTION:
 *       This function sets width parameter of a given device.
 *
 * INPUT:
 *       device - Device number. See MV_DEVICE enumerator.
 *	width - Device bus width in bits.
 *
 * OUTPUT:
 *       None.
 *
 * RETURN:
 *       Device width in bytes.
 *
 *******************************************************************************/
 MV_STATUS mvDevWidthSet(MV_DEVICE device, MV_U32 width)
 {
 	MV_U32 devParam;

 	/* check parameters */
 	if (device >= MV_DEV_MAX_CS) {
 		DB(mvOsPrintf("mvDevIfPramSet: ERR. Invalid Device num %d\n", device));
 		return MV_BAD_PARAM;
 	}

 	devParam = MV_REG_READ(DEV_BANK_PARAM_REG(device));
 	devParam &= ~DBP_DEVWIDTH_MASK;

 	switch (width) {
 	case 8:
 		devParam |= DBP_DEVWIDTH_8BIT;
 		break;
 	case 16:
 		devParam |= DBP_DEVWIDTH_16BIT;
 		break;
 	case 32:
 		devParam |= DBP_DEVWIDTH_32BIT;
 		break;
 	default:
 		DB(mvOsPrintf("mvDevWidthSet: ERR. pDevParams->deviceWidth non valid value\n"));
 		return MV_ERROR;
 	}

 	MV_REG_WRITE(DEV_BANK_PARAM_REG(device), devParam);

 	return MV_OK;
 }

 /*******************************************************************************
 * mvDevNandDevCsSet - Set NAND chip-select, care mode and init sequence
 *
 * DESCRIPTION:
 *	This function set the NAND flash controller registers with NAND
 *       device chip-select.
 *
 * INPUT:
 *       devNum   - Device number. See MV_DEVICE enumerator.
 *       careMode - NAND device care mode (0 = Don't care, '1' = care).
 *
 * OUTPUT:
 *       None.
 *
 * RETURN:
 *       None.
 *
 *******************************************************************************/
 MV_VOID mvDevNandDevCsSet(MV_DEVICE device, MV_BOOL careMode)
 {
 	MV_U32 nfCtrlReg;	/* NAND Flash Control Register */

 	/* Set chip select */
 	nfCtrlReg = MV_REG_READ(DEV_NAND_CTRL_REG);

 	nfCtrlReg |= (DINFCR_NF_CS_MASK(device));

 	if (careMode)
 		nfCtrlReg |= (DINFCR_NF_ACT_CE_MASK(device));
 	else
 		nfCtrlReg &= ~(DINFCR_NF_ACT_CE_MASK(device));

 	MV_REG_WRITE(DEV_NAND_CTRL_REG, nfCtrlReg);
 }

 #if 0
 /* This function is not being used. */
 /*******************************************************************************
 * mvDevNandDevCsGet - Get NAND chip-select.
 *
 * DESCRIPTION:
 *	This function get the NAND flash chip-select.
 *
 * INPUT:
 *       None.
 *
 * OUTPUT:
 *       None.
 *
 * RETURN:
 *         Nand device chip-select.
 *
 *******************************************************************************/
 MV_32 mvDevNandDevCsGet(MV_VOID)
 {
 	MV_U32 nfCtrlReg;	/* NAND Flash Control Register */

 	nfCtrlReg = MV_REG_READ(DEV_NAND_CTRL_REG);

 	nfCtrlReg &= (DINFCR_NF_CS_MASK(MV_NAND_CS));

 	if (nfCtrlReg)
 		return MV_NAND_CS;
 	else
 		return 0xffffffff;
 }
 #endif
	/*******************************************************************************
	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 "mvTypes.h"
	#include "mvOs.h"
	#include "ctrlEnv/mvCtrlEnvLib.h"
	#include "device/mvDevice.h"

	/* defines */
	#ifdef DEBUG
	#define DB(x) x
	#else
	#define DB(x)
	#endif

	/*******************************************************************************
	* mvDevPramSet - Set device interface bank parameters
	*
	* DESCRIPTION:
	* This function sets a device bank parameters to a given device.
	*
	* INPUT:
	* device - Device number. See MV_DEVICE enumerator.
	* *pDevParams - Device bank parameter struct.
	*
	* OUTPUT:
	* None.
	*
	* RETURN:
	* MV_BAD_PARAM for bad parameters ,MV_ERROR on error ! otherwise MV_OK
	*
	*******************************************************************************/
	MV_STATUS mvDevIfPramSet(MV_DEVICE device, MV_DEVICE_PARAM *pDevParams)
	{
	MV_U32 devParam = 0;
	/* check parameters */
	if (device >= MV_DEV_MAX_CS) {
	DB(mvOsPrintf("mvDevIfPramSet: ERR. Invalid Device num %d\n", device));
	return MV_BAD_PARAM;

	}
	if (pDevParams->turnOff > MAX_DBP_TURNOFF) {
	DB(mvOsPrintf("mvDevIfPramSet: ERR. pDevParams->turnOff out of range\n"));
	return MV_ERROR;
	}
	if (pDevParams->acc2First > MAX_DBP_ACC2FIRST) {
	DB(mvOsPrintf("mvDevIfPramSet: ERR. pDevParams->acc2First out of range\n"));
	return MV_ERROR;
	}
	if (pDevParams->acc2Next > MAX_DBP_ACC2NEXT) {
	DB(mvOsPrintf("mvDevIfPramSet: ERR. pDevParams->acc2Next out of range\n"));
	return MV_ERROR;
	}
	if (pDevParams->ale2Wr > MAX_DBP_ALE2WR) {
	DB(mvOsPrintf("mvDevIfPramSet: ERR. pDevParams->ale2Wr out of range\n"));
	return MV_ERROR;
	}
	if (pDevParams->wrLow > MAX_DBP_WRLOW) {
	DB(mvOsPrintf("mvDevIfPramSet: ERR. pDevParams->ale2Wr out of range\n"));
	return MV_ERROR;
	}
	if (pDevParams->wrHigh > MAX_DBP_WRHIGH) {
	DB(mvOsPrintf("mvDevIfPramSet: ERR. pDevParams->ale2Wr out of range\n"));
	return MV_ERROR;
	}
	if ((pDevParams->badrSkew << DBP_BADRSKEW_OFFS) > DBP_BADRSKEW_2CYCLE) {
	DB(mvOsPrintf("mvDevIfPramSet: ERR. pDevParams->badrSkew out of range\n"));
	return MV_ERROR;
	}
	if ((pDevParams->deviceWidth != 8) && (pDevParams->deviceWidth != 16)) {
	if (pDevParams->deviceWidth != 32) {
	DB(mvOsPrintf("mvDevIfPramSet: ERR. pDevParams->deviceWidth out of range\n"));
	return MV_ERROR;
	}
	DB(mvOsPrintf("mvDevIfPramSet: ERR. pDevParams->deviceWidth out of range\n"));
	return MV_ERROR;
	}

	/* devParam = MV_REG_READ(DEV_BANK_PARAM_REG(device)); */
	/* Bit 31 must be 1 */
	#if !defined(MV78XX0)
	devParam = DEV_BANK_PARAM_REG_DV;
	#endif
	/* setting values */
	devParam \|= DBP_TURNOFF_SET(pDevParams->turnOff);
	devParam \|= DBP_ACC2FIRST_SET(pDevParams->acc2First);
	devParam \|= DBP_ACC2NEXT_SET(pDevParams->acc2Next);
	#if !defined(MV78XX0)
	devParam \|= DBP_ALE2WR_SET(pDevParams->ale2Wr);
	devParam \|= DBP_WRLOW_SET(pDevParams->wrLow);
	devParam \|= DBP_WRHIGH_SET(pDevParams->wrHigh);
	#endif
	devParam \|= ((pDevParams->badrSkew & DBP_BADRSKEW_MASK) << DBP_BADRSKEW_OFFS);

	switch (pDevParams->deviceWidth) {
	case 8:
	devParam \|= DBP_DEVWIDTH_8BIT;
	break;
	case 16:
	devParam \|= DBP_DEVWIDTH_16BIT;
	break;
	case 32:
	devParam \|= DBP_DEVWIDTH_32BIT;
	break;
	default:
	DB(mvOsPrintf("mvDevIfPramSet: ERR. pDevParams->deviceWidth non valid value\n"));
	return MV_ERROR;
	break;
	}

	MV_REG_WRITE(DEV_BANK_PARAM_REG(device), devParam);

	#if defined(MV78XX0)
	devParam = 0;
	devParam \|= DBP_ALE2WR_SET(pDevParams->ale2Wr);
	devParam \|= DBP_WRLOW_SET(pDevParams->wrLow);
	devParam \|= DBP_WRHIGH_SET(pDevParams->wrHigh);
	MV_REG_WRITE(DEV_BANK_PARAM_REG_WR(device), devParam);
	#endif

	return MV_OK;
	}

	/*******************************************************************************
	* mvDevPramget - Get device interface bank parameters
	*
	* DESCRIPTION:
	* This function retrieves a device bank parameter settings.
	*
	* INPUT:
	* device - Device number. See MV_DEVICE enumerator.
	*
	* OUTPUT:
	* *pDevParams - Device bank parameter struct.
	*
	* RETURN:
	* MV_BAD_PARAM for bad parameters ,MV_ERROR on error ! otherwise MV_OK
	*
	*******************************************************************************/
	MV_STATUS mvDevPramGet(MV_DEVICE device, MV_DEVICE_PARAM *pDevParams)
	{
	MV_U32 devParam = 0;

	/* check parameters */
	if (device >= MV_DEV_MAX_CS) {
	DB(mvOsPrintf("mvDevIfPramSet: ERR. Invalid Device num %d\n", device));
	return MV_BAD_PARAM;

	}

	devParam = MV_REG_READ(DEV_BANK_PARAM_REG(device));

	pDevParams->turnOff = DBP_TURNOFF_GET(devParam);
	pDevParams->acc2First = DBP_ACC2FIRST_GET(devParam);
	pDevParams->acc2Next = DBP_ACC2NEXT_GET(devParam);
	#if !defined(MV78XX0)
	pDevParams->ale2Wr = DBP_ALE2WR_GET(devParam);
	pDevParams->wrLow = DBP_WRLOW_GET(devParam);
	pDevParams->wrHigh = DBP_WRHIGH_GET(devParam);
	#endif
	pDevParams->badrSkew = (devParam & DBP_BADRSKEW_MASK) >> DBP_BADRSKEW_OFFS;

	switch (devParam & DBP_DEVWIDTH_MASK) {
	case DBP_DEVWIDTH_8BIT:
	pDevParams->deviceWidth = 8;
	break;
	case DBP_DEVWIDTH_16BIT:
	pDevParams->deviceWidth = 16;
	break;
	case DBP_DEVWIDTH_32BIT:
	pDevParams->deviceWidth = 32;
	break;
	default:
	DB(mvOsPrintf("mvDevIfPramSet: ERR. pDevParams->deviceWidth non valid value\n"));
	return MV_ERROR;
	break;
	}

	#if defined(MV78XX0)
	devParam = MV_REG_READ(DEV_BANK_PARAM_REG_WR(device));
	pDevParams->ale2Wr = DBP_ALE2WR_GET(devParam);
	pDevParams->wrLow = DBP_WRLOW_GET(devParam);
	pDevParams->wrHigh = DBP_WRHIGH_GET(devParam);
	#endif

	return MV_OK;
	}

	/*******************************************************************************
	* mvDevWidthGet - Get device width parameter
	*
	* DESCRIPTION:
	* This function gets width parameter of a given device.
	*
	* INPUT:
	* device - Device number. See MV_DEVICE enumerator.
	*
	* OUTPUT:
	* None.
	*
	* RETURN:
	* Device width in bytes.
	*
	*******************************************************************************/
	MV_U32 mvDevWidthGet(MV_DEVICE device)
	{
	MV_U32 devParam;

	/* check parameters */
	if (device >= MV_DEV_MAX_CS) {
	DB(mvOsPrintf("mvDevIfPramSet: ERR. Invalid Device num %d\n", device));
	return MV_BAD_PARAM;
	}

	devParam = MV_REG_READ(DEV_BANK_PARAM_REG(device));

	devParam = (devParam & DBP_DEVWIDTH_MASK) >> DBP_DEVWIDTH_OFFS;

	return (MV_U32) (0x8 << devParam);
	}

	/*******************************************************************************
	* mvDevWidthSet - Set device width parameter
	*
	* DESCRIPTION:
	* This function sets width parameter of a given device.
	*
	* INPUT:
	* device - Device number. See MV_DEVICE enumerator.
	* width - Device bus width in bits.
	*
	* OUTPUT:
	* None.
	*
	* RETURN:
	* Device width in bytes.
	*
	*******************************************************************************/
	MV_STATUS mvDevWidthSet(MV_DEVICE device, MV_U32 width)
	{
	MV_U32 devParam;

	/* check parameters */
	if (device >= MV_DEV_MAX_CS) {
	DB(mvOsPrintf("mvDevIfPramSet: ERR. Invalid Device num %d\n", device));
	return MV_BAD_PARAM;
	}

	devParam = MV_REG_READ(DEV_BANK_PARAM_REG(device));
	devParam &= ~DBP_DEVWIDTH_MASK;

	switch (width) {
	case 8:
	devParam \|= DBP_DEVWIDTH_8BIT;
	break;
	case 16:
	devParam \|= DBP_DEVWIDTH_16BIT;
	break;
	case 32:
	devParam \|= DBP_DEVWIDTH_32BIT;
	break;
	default:
	DB(mvOsPrintf("mvDevWidthSet: ERR. pDevParams->deviceWidth non valid value\n"));
	return MV_ERROR;
	}

	MV_REG_WRITE(DEV_BANK_PARAM_REG(device), devParam);

	return MV_OK;
	}

	/*******************************************************************************
	* mvDevNandDevCsSet - Set NAND chip-select, care mode and init sequence
	*
	* DESCRIPTION:
	* This function set the NAND flash controller registers with NAND
	* device chip-select.
	*
	* INPUT:
	* devNum - Device number. See MV_DEVICE enumerator.
	* careMode - NAND device care mode (0 = Don't care, '1' = care).
	*
	* OUTPUT:
	* None.
	*
	* RETURN:
	* None.
	*
	*******************************************************************************/
	MV_VOID mvDevNandDevCsSet(MV_DEVICE device, MV_BOOL careMode)
	{
	MV_U32 nfCtrlReg; /* NAND Flash Control Register */

	/* Set chip select */
	nfCtrlReg = MV_REG_READ(DEV_NAND_CTRL_REG);

	nfCtrlReg \|= (DINFCR_NF_CS_MASK(device));

	if (careMode)
	nfCtrlReg \|= (DINFCR_NF_ACT_CE_MASK(device));
	else
	nfCtrlReg &= ~(DINFCR_NF_ACT_CE_MASK(device));

	MV_REG_WRITE(DEV_NAND_CTRL_REG, nfCtrlReg);
	}

	#if 0
	/* This function is not being used. */
	/*******************************************************************************
	* mvDevNandDevCsGet - Get NAND chip-select.
	*
	* DESCRIPTION:
	* This function get the NAND flash chip-select.
	*
	* INPUT:
	* None.
	*
	* OUTPUT:
	* None.
	*
	* RETURN:
	* Nand device chip-select.
	*
	*******************************************************************************/
	MV_32 mvDevNandDevCsGet(MV_VOID)
	{
	MV_U32 nfCtrlReg; /* NAND Flash Control Register */

	nfCtrlReg = MV_REG_READ(DEV_NAND_CTRL_REG);

	nfCtrlReg &= (DINFCR_NF_CS_MASK(MV_NAND_CS));

	if (nfCtrlReg)
	return MV_NAND_CS;
	else
	return 0xffffffff;
	}
	#endif