551 lines
14 KiB
C
551 lines
14 KiB
C
/*******************************************************************************
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Copyright (C) Marvell International Ltd. and its affiliates
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This software file (the "File") is owned and distributed by Marvell
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International Ltd. and/or its affiliates ("Marvell") under the following
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alternative licensing terms. Once you have made an election to distribute the
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File under one of the following license alternatives, please (i) delete this
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introductory statement regarding license alternatives, (ii) delete the two
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license alternatives that you have not elected to use and (iii) preserve the
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Marvell copyright notice above.
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********************************************************************************
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Marvell Commercial License Option
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If you received this File from Marvell and you have entered into a commercial
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license agreement (a "Commercial License") with Marvell, the File is licensed
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to you under the terms of the applicable Commercial License.
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********************************************************************************
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Marvell GPL License Option
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If you received this File from Marvell, you may opt to use, redistribute and/or
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modify this File in accordance with the terms and conditions of the General
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Public License Version 2, June 1991 (the "GPL License"), a copy of which is
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available along with the File in the license.txt file or by writing to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 or
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on the worldwide web at http://www.gnu.org/licenses/gpl.txt.
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THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE IMPLIED
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WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY
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DISCLAIMED. The GPL License provides additional details about this warranty
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disclaimer.
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********************************************************************************
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Marvell BSD License Option
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If you received this File from Marvell, you may opt to use, redistribute and/or
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modify this File under the following licensing terms.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of Marvell nor the names of its contributors may be
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used to endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*******************************************************************************/
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#include "gpp/mvGpp.h"
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#include "ctrlEnv/mvCtrlEnvLib.h"
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/* defines */
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#ifdef MV_DEBUG
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#define DB(x) x
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#else
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#define DB(x)
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#endif
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static MV_VOID gppRegSet(MV_U32 group, MV_U32 regOffs,MV_U32 mask,MV_U32 value);
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/*******************************************************************************
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* mvGppTypeSet - Enable a GPP (OUT) pin
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*
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* DESCRIPTION:
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*
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* INPUT:
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* group - GPP group number
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* mask - 32bit mask value. Each set bit in the mask means that the type
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* of corresponding GPP will be set. Other GPPs are ignored.
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* value - 32bit value that describes GPP type per pin.
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*
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* OUTPUT:
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* None.
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*
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* EXAMPLE:
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* Set GPP8 to input and GPP15 to output.
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* mvGppTypeSet(0, (GPP8 | GPP15),
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* ((MV_GPP_IN & GPP8) | (MV_GPP_OUT & GPP15)) );
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*
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* RETURN:
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* None.
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*
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*******************************************************************************/
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MV_STATUS mvGppTypeSet(MV_U32 group, MV_U32 mask, MV_U32 value)
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{
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if (group >= MV_GPP_MAX_GROUP)
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{
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DB(mvOsPrintf("mvGppTypeSet: ERR. invalid group number \n"));
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return MV_BAD_PARAM;
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}
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gppRegSet(group, GPP_DATA_OUT_EN_REG(group), mask, value);
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/* Workaround for Erratum FE-MISC-70*/
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if(mvCtrlRevGet()==MV_88F6XXX_A0_REV && (group == 1))
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{
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mask &= 0x2;
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gppRegSet(0, GPP_DATA_OUT_EN_REG(0), mask, value);
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} /*End of WA*/
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return MV_OK;
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}
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/*******************************************************************************
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* mvGppBlinkEn - Set a GPP (IN) Pin list to blink every ~100ms
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*
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* DESCRIPTION:
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*
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* INPUT:
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* group - GPP group number
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* mask - 32bit mask value. Each set bit in the mask means that the type
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* of corresponding GPP will be set. Other GPPs are ignored.
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* value - 32bit value that describes GPP blink per pin.
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*
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* OUTPUT:
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* None.
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*
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* EXAMPLE:
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* Set GPP8 to be static and GPP15 to be blinking.
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* mvGppBlinkEn(0, (GPP8 | GPP15),
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* ((MV_GPP_OUT_STATIC & GPP8) | (MV_GPP_OUT_BLINK & GPP15)) );
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*
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* RETURN:
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* None.
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*
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*******************************************************************************/
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MV_STATUS mvGppBlinkEn(MV_U32 group, MV_U32 mask, MV_U32 value)
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{
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if (group >= MV_GPP_MAX_GROUP)
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{
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DB(mvOsPrintf("mvGppBlinkEn: ERR. invalid group number \n"));
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return MV_BAD_PARAM;
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}
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gppRegSet(group, GPP_BLINK_EN_REG(group), mask, value);
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return MV_OK;
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}
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/*******************************************************************************
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* mvGppPolaritySet - Set a GPP (IN) Pin list Polarity mode
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*
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* DESCRIPTION:
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*
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* INPUT:
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* group - GPP group number
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* mask - 32bit mask value. Each set bit in the mask means that the type
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* of corresponding GPP will be set. Other GPPs are ignored.
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* value - 32bit value that describes GPP polarity per pin.
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*
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* OUTPUT:
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* None.
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*
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* EXAMPLE:
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* Set GPP8 to the actual pin value and GPP15 to be inverted.
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* mvGppPolaritySet(0, (GPP8 | GPP15),
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* ((MV_GPP_IN_ORIGIN & GPP8) | (MV_GPP_IN_INVERT & GPP15)) );
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*
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* RETURN:
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* None.
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*
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*******************************************************************************/
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MV_STATUS mvGppPolaritySet(MV_U32 group, MV_U32 mask, MV_U32 value)
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{
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if (group >= MV_GPP_MAX_GROUP)
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{
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DB(mvOsPrintf("mvGppPolaritySet: ERR. invalid group number \n"));
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return MV_BAD_PARAM;
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}
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gppRegSet(group, GPP_DATA_IN_POL_REG(group), mask, value);
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return MV_OK;
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}
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/*******************************************************************************
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* mvGppPolarityGet - Get a value of relevant bits from GPP Polarity register.
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*
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* DESCRIPTION:
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*
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* INPUT:
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* group - GPP group number
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* mask - 32bit mask value. Each set bit in the mask means that the
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* returned value is valid for it.
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*
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* OUTPUT:
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* None.
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*
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* EXAMPLE:
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* Get GPP8 and GPP15 value.
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* mvGppPolarityGet(0, (GPP8 | GPP15));
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*
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* RETURN:
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* 32bit value that describes GPP polatity mode per pin.
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*
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*******************************************************************************/
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MV_U32 mvGppPolarityGet(MV_U32 group, MV_U32 mask)
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{
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MV_U32 regVal;
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if (group >= MV_GPP_MAX_GROUP)
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{
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DB(mvOsPrintf("mvGppActiveSet: Error invalid group number \n"));
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return MV_ERROR;
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}
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regVal = MV_REG_READ(GPP_DATA_IN_POL_REG(group));
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return (regVal & mask);
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}
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/*******************************************************************************
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* mvGppValueGet - Get a GPP Pin list value.
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*
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* DESCRIPTION:
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* This function get GPP value.
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*
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* INPUT:
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* group - GPP group number
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* mask - 32bit mask value. Each set bit in the mask means that the
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* returned value is valid for it.
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*
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* OUTPUT:
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* None.
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*
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* EXAMPLE:
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* Get GPP8 and GPP15 value.
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* mvGppValueGet(0, (GPP8 | GPP15));
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*
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* RETURN:
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* 32bit value that describes GPP activity mode per pin.
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*
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*******************************************************************************/
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MV_U32 mvGppValueGet(MV_U32 group, MV_U32 mask)
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{
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MV_U32 gppData;
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gppData = MV_REG_READ(GPP_DATA_IN_REG(group));
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gppData &= mask;
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return gppData;
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}
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/*******************************************************************************
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* mvGppValueSet - Set a GPP Pin list value.
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*
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* DESCRIPTION:
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* This function set value for given GPP pin list.
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*
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* INPUT:
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* group - GPP group number
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* mask - 32bit mask value. Each set bit in the mask means that the
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* value of corresponding GPP will be set accordingly. Other GPP
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* are not affected.
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* value - 32bit value that describes GPP value per pin.
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*
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* OUTPUT:
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* None.
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*
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* EXAMPLE:
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* Set GPP8 value of '0' and GPP15 value of '1'.
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* mvGppActiveSet(0, (GPP8 | GPP15), ((0 & GPP8) | (GPP15)) );
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*
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* RETURN:
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* None.
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*
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*******************************************************************************/
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MV_STATUS mvGppValueSet (MV_U32 group, MV_U32 mask, MV_U32 value)
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{
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MV_U32 outEnable, tmp;
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MV_U32 i;
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if (group >= MV_GPP_MAX_GROUP)
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{
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DB(mvOsPrintf("mvGppValueSet: Error invalid group number \n"));
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return MV_BAD_PARAM;
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}
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/* verify that the gpp pin is configured as output */
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/* Note that in the register out enabled -> bit = '0'. */
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outEnable = ~MV_REG_READ(GPP_DATA_OUT_EN_REG(group));
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/* Workaround for Erratum FE-MISC-70*/
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if(mvCtrlRevGet()==MV_88F6XXX_A0_REV && (group == 1))
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{
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tmp = ~MV_REG_READ(GPP_DATA_OUT_EN_REG(0));
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outEnable &= 0xfffffffd;
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outEnable |= (tmp & 0x2);
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} /*End of WA*/
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for (i = 0 ; i < 32 ;i++)
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{
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if (((mask & (1 << i)) & (outEnable & (1 << i))) != (mask & (1 << i)))
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{
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mvOsPrintf("mvGppValueSet: Err. An attempt to set output "\
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"value to GPP %d in input mode.\n", i);
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return MV_ERROR;
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}
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}
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gppRegSet(group, GPP_DATA_OUT_REG(group), mask, value);
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return MV_OK;
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}
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/*******************************************************************************
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* gppRegSet - Set a specific GPP pin on a specific GPP register
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*
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* DESCRIPTION:
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* This function set a specific GPP pin on a specific GPP register
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*
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* INPUT:
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* regOffs - GPP Register offset
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* group - GPP group number
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* mask - 32bit mask value. Each set bit in the mask means that the
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* value of corresponding GPP will be set accordingly. Other GPP
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* are not affected.
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* value - 32bit value that describes GPP value per pin.
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*
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* OUTPUT:
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* None.
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*
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* EXAMPLE:
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* Set GPP8 value of '0' and GPP15 value of '1'.
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* mvGppActiveSet(0, (GPP8 | GPP15), ((0 & GPP8) | (1 & GPP15)) );
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*
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* RETURN:
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* None.
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*
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*******************************************************************************/
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static MV_VOID gppRegSet (MV_U32 group, MV_U32 regOffs,MV_U32 mask,MV_U32 value)
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{
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MV_U32 gppData;
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gppData = MV_REG_READ(regOffs);
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gppData &= ~mask;
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gppData |= (value & mask);
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MV_REG_WRITE(regOffs, gppData);
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}
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#if defined(CONFIG_BUFFALO_PLATFORM)
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#define BIT(x) (1<<(x))
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MV_BOOL bfGppInRegBitTest(MV_32 bit)
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{
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if (bit < 0)
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return MV_FALSE;
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if (bit < 32)
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return mvGppValueGet(0, BIT(bit)) ? MV_TRUE : MV_FALSE;
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else
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return mvGppValueGet(1, BIT(bit - 32)) ? MV_TRUE : MV_FALSE;
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}
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MV_BOOL bfGppOutRegBitTest(MV_32 bit)
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{
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if (bit < 0)
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return MV_FALSE;
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if (bit < 32)
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return MV_REG_READ(GPP_DATA_OUT_REG(0)) & BIT(bit) ? MV_TRUE : MV_FALSE;
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else
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return MV_REG_READ(GPP_DATA_OUT_REG(1)) & BIT(bit - 32) ? MV_TRUE : MV_FALSE;
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}
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MV_VOID bfGppOutRegBitSet(MV_32 bit)
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{
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if (bit < 0)
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return;
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if (bit < 32)
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mvGppValueSet(0, BIT(bit), 0xffffffff);
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else
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mvGppValueSet(1, BIT(bit - 32), 0xffffffff);
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}
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MV_VOID bfGppOutRegBitClr(MV_32 bit)
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{
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if (bit < 0)
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return;
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if (bit < 32)
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mvGppValueSet(0, BIT(bit), 0x0);
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else
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mvGppValueSet(1, BIT(bit - 32), 0x0);
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}
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MV_VOID bfGppOutRegBitInv(MV_32 bit)
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{
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if (bit < 0)
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return;
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if (bit < 32)
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MV_REG_READ(GPP_BLINK_EN_REG(0)) & BIT(bit) ? MV_TRUE : MV_FALSE;
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else
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MV_REG_READ(GPP_BLINK_EN_REG(1)) & BIT(bit - 32) ? MV_TRUE : MV_FALSE;
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}
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MV_BOOL bfGppBlinkRegBitTest(MV_32 bit)
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{
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if (bit < 0)
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return MV_FALSE;
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if (bit < 32)
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return MV_REG_READ(GPP_BLINK_EN_REG(0)) & BIT(bit) ? MV_TRUE : MV_FALSE;
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else
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return MV_REG_READ(GPP_BLINK_EN_REG(1)) & BIT(bit - 32) ? MV_TRUE : MV_FALSE;
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}
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MV_VOID bfGppBlinkRegBitSet(MV_32 bit)
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{
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if (bit < 0)
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return;
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if (bit < 32)
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mvGppBlinkEn(0, BIT(bit), 0xffffffff);
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else
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mvGppBlinkEn(1, BIT(bit - 32), 0xffffffff);
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}
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MV_VOID bfGppBlinkRegBitClr(MV_32 bit)
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{
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if (bit < 0)
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return;
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if (bit < 32)
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mvGppBlinkEn(0, BIT(bit), 0x0);
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else
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mvGppBlinkEn(1, BIT(bit - 32), 0x0);
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}
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MV_BOOL bfGppOutEnableRegBitTest(MV_32 bit)
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{
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if (bit < 0)
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return MV_FALSE;
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if (bit < 32)
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return MV_REG_READ(GPP_DATA_OUT_EN_REG(0)) & BIT(bit) ? MV_TRUE : MV_FALSE;
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else
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return MV_REG_READ(GPP_DATA_OUT_EN_REG(1)) & BIT(bit - 32) ? MV_TRUE : MV_FALSE;
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}
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MV_VOID bfGppOutEnableRegBitSet(MV_32 bit)
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{
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if (bit < 0)
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return;
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if (bit < 32)
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mvGppTypeSet(0, BIT(bit), 0xffffffff);
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else
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mvGppTypeSet(1, BIT(bit - 32), 0xffffffff);
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}
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MV_VOID bfGppOutEnableRegBitClr(MV_32 bit)
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{
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if (bit < 0)
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return;
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if (bit < 32)
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mvGppTypeSet(0, BIT(bit), 0x0);
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else
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mvGppTypeSet(1, BIT(bit - 32), 0x0);
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}
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MV_BOOL bfGppDataInPolRegBitTest(MV_32 bit)
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{
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if (bit < 0)
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return MV_FALSE;
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if (bit < 32)
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return MV_REG_READ(GPP_DATA_IN_POL_REG(0)) & BIT(bit) ? MV_TRUE : MV_FALSE;
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else
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return MV_REG_READ(GPP_DATA_IN_POL_REG(1)) & BIT(bit - 32) ? MV_TRUE : MV_FALSE;
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}
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MV_VOID bfGppOutRegBitAssert(MV_32 bit)
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{
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MV_U32 group;
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MV_U32 mask;
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MV_U32 value;
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if (bit < 0)
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return;
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if (bit < 32) {
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mask = BIT(bit);
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group = 0;
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}
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else {
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mask = BIT(bit - 32);
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group = 1;
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}
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if (bfGppDataInPolRegBitTest(bit))
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value = 0x0;
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else
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value = 0xffffffff;
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mvGppValueSet(group, mask, value);
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}
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MV_VOID bfGppOutRegBitNagate(MV_32 bit)
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{
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MV_U32 group;
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MV_U32 mask;
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MV_U32 value;
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if (bit < 0)
|
|
return;
|
|
|
|
if (bit < 32) {
|
|
mask = BIT(bit);
|
|
group = 0;
|
|
}
|
|
else {
|
|
mask = BIT(bit - 32);
|
|
group = 1;
|
|
}
|
|
|
|
if (bfGppDataInPolRegBitTest(bit))
|
|
value = 0xffffffff;
|
|
else
|
|
value = 0x0;
|
|
|
|
mvGppValueSet(group, mask, value);
|
|
}
|
|
|
|
#endif // CONFIG_BUFFALO_PLATFORM
|