670 lines
17 KiB
C
670 lines
17 KiB
C
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/*******************************************************************************
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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 "mvPciIf.h"
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#include "ctrlEnv/sys/mvSysPex.h"
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#if defined(MV_INCLUDE_PCI)
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#include "ctrlEnv/sys/mvSysPci.h"
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#endif
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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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/*******************************************************************************
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* mvPciInit - Initialize PCI interfaces
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*
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* DESCRIPTION:
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*
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* INPUT:
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*
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*
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* OUTPUT:
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* None.
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*
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* RETURN:
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* MV_OK if function success otherwise MV_ERROR or MV_BAD_PARAM
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*
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*******************************************************************************/
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MV_STATUS mvPciIfInit(MV_U32 pciIf, PCI_IF_MODE pciIfmode)
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{
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PCI_IF_TYPE pciIfType = mvPciIfTypeGet(pciIf);
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if (PCI_IF_TYPE_CONVEN_PCIX == pciIfType)
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{
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#if defined(MV_INCLUDE_PCI)
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MV_PCI_MOD pciMod;
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if (PCI_IF_MODE_HOST == pciIfmode)
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{
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pciMod = MV_PCI_MOD_HOST;
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}
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else if (PCI_IF_MODE_DEVICE == pciIfmode)
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{
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pciMod = MV_PCI_MOD_DEVICE;
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}
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else
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{
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mvOsPrintf("%s: ERROR!!! Bus %d mode %d neither host nor device!\n",
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__FUNCTION__, pciIf, pciIfmode);
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return MV_FAIL;
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}
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return mvPciInit(pciIf - MV_PCI_START_IF, pciMod);
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#else
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return MV_OK;
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#endif
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}
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else if (PCI_IF_TYPE_PEX == pciIfType)
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{
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#if defined(MV_INCLUDE_PEX)
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MV_PEX_TYPE pexType;
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if (PCI_IF_MODE_HOST == pciIfmode)
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{
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pexType = MV_PEX_ROOT_COMPLEX;
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}
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else if (PCI_IF_MODE_DEVICE == pciIfmode)
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{
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pexType = MV_PEX_END_POINT;
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}
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else
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{
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mvOsPrintf("%s: ERROR!!! Bus %d type %d neither root complex nor" \
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" end point\n", __FUNCTION__, pciIf, pciIfmode);
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return MV_FAIL;
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}
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return mvPexInit(pciIf - MV_PEX_START_IF, pexType);
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#else
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return MV_OK;
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#endif
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}
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else
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{
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mvOsPrintf("%s: ERROR!!! Invalid pciIf %d\n", __FUNCTION__, pciIf);
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}
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return MV_FAIL;
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}
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/* PCI configuration space read write */
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/*******************************************************************************
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* mvPciConfigRead - Read from configuration space
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*
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* DESCRIPTION:
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* This function performs a 32 bit read from PCI configuration space.
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* It supports both type 0 and type 1 of Configuration Transactions
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* (local and over bridge). In order to read from local bus segment, use
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* bus number retrieved from mvPciLocalBusNumGet(). Other bus numbers
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* will result configuration transaction of type 1 (over bridge).
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*
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* INPUT:
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* pciIf - PCI interface number.
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* bus - PCI segment bus number.
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* dev - PCI device number.
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* func - Function number.
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* regOffs - Register offset.
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*
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* OUTPUT:
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* None.
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*
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* RETURN:
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* 32bit register data, 0xffffffff on error
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*
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*******************************************************************************/
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MV_U32 mvPciIfConfigRead (MV_U32 pciIf, MV_U32 bus, MV_U32 dev, MV_U32 func,
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MV_U32 regOff)
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{
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PCI_IF_TYPE pciIfType = mvPciIfTypeGet(pciIf);
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if (PCI_IF_TYPE_CONVEN_PCIX == pciIfType)
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{
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#if defined(MV_INCLUDE_PCI)
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return mvPciConfigRead(pciIf - MV_PCI_START_IF,
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bus,
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dev,
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func,
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regOff);
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#else
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return 0xffffffff;
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#endif
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}
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else if (PCI_IF_TYPE_PEX == pciIfType)
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{
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#if defined(MV_INCLUDE_PEX)
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return mvPexConfigRead(pciIf - MV_PEX_START_IF,
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bus,
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dev,
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func,
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regOff);
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#else
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return 0xffffffff;
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#endif
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}
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else
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{
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mvOsPrintf("%s: ERROR!!! Invalid pciIf %d\n", __FUNCTION__, pciIf);
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}
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return 0;
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}
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/*******************************************************************************
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* mvPciConfigWrite - Write to configuration space
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*
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* DESCRIPTION:
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* This function performs a 32 bit write to PCI configuration space.
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* It supports both type 0 and type 1 of Configuration Transactions
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* (local and over bridge). In order to write to local bus segment, use
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* bus number retrieved from mvPciLocalBusNumGet(). Other bus numbers
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* will result configuration transaction of type 1 (over bridge).
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*
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* INPUT:
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* pciIf - PCI interface number.
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* bus - PCI segment bus number.
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* dev - PCI device number.
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* func - Function number.
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* regOffs - Register offset.
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* data - 32bit data.
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*
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* OUTPUT:
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* None.
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*
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* RETURN:
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* MV_BAD_PARAM for bad parameters ,MV_ERROR on error ! otherwise MV_OK
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*
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*******************************************************************************/
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MV_STATUS mvPciIfConfigWrite(MV_U32 pciIf, MV_U32 bus, MV_U32 dev,
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MV_U32 func, MV_U32 regOff, MV_U32 data)
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{
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PCI_IF_TYPE pciIfType = mvPciIfTypeGet(pciIf);
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if (PCI_IF_TYPE_CONVEN_PCIX == pciIfType)
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{
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#if defined(MV_INCLUDE_PCI)
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return mvPciConfigWrite(pciIf - MV_PCI_START_IF,
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bus,
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dev,
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func,
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regOff,
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data);
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#else
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return MV_OK;
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#endif
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}
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else if (PCI_IF_TYPE_PEX == pciIfType)
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{
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#if defined(MV_INCLUDE_PEX)
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return mvPexConfigWrite(pciIf - MV_PEX_START_IF,
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bus,
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dev,
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func,
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regOff,
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data);
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#else
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return MV_OK;
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#endif
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}
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else
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{
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mvOsPrintf("%s: ERROR!!! Invalid pciIf %d\n", __FUNCTION__, pciIf);
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}
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return MV_FAIL;
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}
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/*******************************************************************************
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* mvPciMasterEnable - Enable/disale PCI interface master transactions.
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*
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* DESCRIPTION:
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* This function performs read modified write to PCI command status
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* (offset 0x4) to set/reset bit 2. After this bit is set, the PCI
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* master is allowed to gain ownership on the bus, otherwise it is
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* incapable to do so.
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*
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* INPUT:
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* pciIf - PCI interface number.
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* enable - Enable/disable parameter.
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*
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* OUTPUT:
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* None.
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*
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* RETURN:
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* MV_BAD_PARAM for bad parameters ,MV_ERROR on error ! otherwise MV_OK
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*
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*******************************************************************************/
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MV_STATUS mvPciIfMasterEnable(MV_U32 pciIf, MV_BOOL enable)
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{
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PCI_IF_TYPE pciIfType = mvPciIfTypeGet(pciIf);
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if (PCI_IF_TYPE_CONVEN_PCIX == pciIfType)
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{
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#if defined(MV_INCLUDE_PCI)
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return mvPciMasterEnable(pciIf - MV_PCI_START_IF,
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enable);
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#else
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return MV_OK;
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#endif
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}
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else if (PCI_IF_TYPE_PEX == pciIfType)
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{
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#if defined(MV_INCLUDE_PEX)
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return mvPexMasterEnable(pciIf - MV_PEX_START_IF,
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enable);
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#else
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return MV_OK;
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#endif
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}
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else
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{
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mvOsPrintf("%s: ERROR!!! Invalid pciIf %d\n", __FUNCTION__, pciIf);
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}
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return MV_FAIL;
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}
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/*******************************************************************************
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* mvPciSlaveEnable - Enable/disale PCI interface slave transactions.
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*
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* DESCRIPTION:
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* This function performs read modified write to PCI command status
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* (offset 0x4) to set/reset bit 0 and 1. After those bits are set,
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* the PCI slave is allowed to respond to PCI IO space access (bit 0)
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* and PCI memory space access (bit 1).
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*
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* INPUT:
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* pciIf - PCI interface number.
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* dev - PCI device number.
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* enable - Enable/disable parameter.
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*
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* OUTPUT:
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* None.
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*
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* RETURN:
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* MV_BAD_PARAM for bad parameters ,MV_ERROR on error ! otherwise MV_OK
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*
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*******************************************************************************/
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MV_STATUS mvPciIfSlaveEnable(MV_U32 pciIf,MV_U32 bus, MV_U32 dev, MV_BOOL enable)
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{
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PCI_IF_TYPE pciIfType = mvPciIfTypeGet(pciIf);
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if (PCI_IF_TYPE_CONVEN_PCIX == pciIfType)
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{
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#if defined(MV_INCLUDE_PCI)
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return mvPciSlaveEnable(pciIf - MV_PCI_START_IF,bus,dev,
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enable);
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#else
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return MV_OK;
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#endif
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}
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else if (PCI_IF_TYPE_PEX == pciIfType)
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{
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#if defined(MV_INCLUDE_PEX)
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return mvPexSlaveEnable(pciIf - MV_PEX_START_IF,bus,dev,
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enable);
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#else
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return MV_OK;
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#endif
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}
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else
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{
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mvOsPrintf("%s: ERROR!!! Invalid pciIf %d\n", __FUNCTION__, pciIf);
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}
|
||
|
|
|
||
|
|
return MV_FAIL;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
* mvPciLocalBusNumSet - Set PCI interface local bus number.
|
||
|
|
*
|
||
|
|
* DESCRIPTION:
|
||
|
|
* This function sets given PCI interface its local bus number.
|
||
|
|
* Note: In case the PCI interface is PCI-X, the information is read-only.
|
||
|
|
*
|
||
|
|
* INPUT:
|
||
|
|
* pciIf - PCI interface number.
|
||
|
|
* busNum - Bus number.
|
||
|
|
*
|
||
|
|
* OUTPUT:
|
||
|
|
* None.
|
||
|
|
*
|
||
|
|
* RETURN:
|
||
|
|
* MV_NOT_ALLOWED in case PCI interface is PCI-X.
|
||
|
|
* MV_BAD_PARAM on bad parameters ,
|
||
|
|
* otherwise MV_OK
|
||
|
|
*
|
||
|
|
*******************************************************************************/
|
||
|
|
MV_STATUS mvPciIfLocalBusNumSet(MV_U32 pciIf, MV_U32 busNum)
|
||
|
|
{
|
||
|
|
PCI_IF_TYPE pciIfType = mvPciIfTypeGet(pciIf);
|
||
|
|
|
||
|
|
if (PCI_IF_TYPE_CONVEN_PCIX == pciIfType)
|
||
|
|
{
|
||
|
|
#if defined(MV_INCLUDE_PCI)
|
||
|
|
return mvPciLocalBusNumSet(pciIf - MV_PCI_START_IF,
|
||
|
|
busNum);
|
||
|
|
#else
|
||
|
|
return MV_OK;
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
else if (PCI_IF_TYPE_PEX == pciIfType)
|
||
|
|
{
|
||
|
|
#if defined(MV_INCLUDE_PEX)
|
||
|
|
return mvPexLocalBusNumSet(pciIf - MV_PEX_START_IF,
|
||
|
|
busNum);
|
||
|
|
#else
|
||
|
|
return MV_OK;
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
mvOsPrintf("%s: ERROR!!! Invalid pciIf %d\n", __FUNCTION__, pciIf);
|
||
|
|
}
|
||
|
|
|
||
|
|
return MV_FAIL;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
* mvPciLocalBusNumGet - Get PCI interface local bus number.
|
||
|
|
*
|
||
|
|
* DESCRIPTION:
|
||
|
|
* This function gets the local bus number of a given PCI interface.
|
||
|
|
*
|
||
|
|
* INPUT:
|
||
|
|
* pciIf - PCI interface number.
|
||
|
|
*
|
||
|
|
* OUTPUT:
|
||
|
|
* None.
|
||
|
|
*
|
||
|
|
* RETURN:
|
||
|
|
* Local bus number.0xffffffff on Error
|
||
|
|
*
|
||
|
|
*******************************************************************************/
|
||
|
|
MV_U32 mvPciIfLocalBusNumGet(MV_U32 pciIf)
|
||
|
|
{
|
||
|
|
PCI_IF_TYPE pciIfType = mvPciIfTypeGet(pciIf);
|
||
|
|
|
||
|
|
if (PCI_IF_TYPE_CONVEN_PCIX == pciIfType)
|
||
|
|
{
|
||
|
|
#if defined(MV_INCLUDE_PCI)
|
||
|
|
return mvPciLocalBusNumGet(pciIf - MV_PCI_START_IF);
|
||
|
|
#else
|
||
|
|
return 0xFFFFFFFF;
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
else if (PCI_IF_TYPE_PEX == pciIfType)
|
||
|
|
{
|
||
|
|
#if defined(MV_INCLUDE_PEX)
|
||
|
|
return mvPexLocalBusNumGet(pciIf - MV_PEX_START_IF);
|
||
|
|
#else
|
||
|
|
return 0xFFFFFFFF;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
mvOsPrintf("%s: ERROR!!! Invalid pciIf %d\n",__FUNCTION__, pciIf);
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
* mvPciLocalDevNumSet - Set PCI interface local device number.
|
||
|
|
*
|
||
|
|
* DESCRIPTION:
|
||
|
|
* This function sets given PCI interface its local device number.
|
||
|
|
* Note: In case the PCI interface is PCI-X, the information is read-only.
|
||
|
|
*
|
||
|
|
* INPUT:
|
||
|
|
* pciIf - PCI interface number.
|
||
|
|
* devNum - Device number.
|
||
|
|
*
|
||
|
|
* OUTPUT:
|
||
|
|
* None.
|
||
|
|
*
|
||
|
|
* RETURN:
|
||
|
|
* MV_NOT_ALLOWED in case PCI interface is PCI-X. MV_BAD_PARAM on bad parameters ,
|
||
|
|
* otherwise MV_OK
|
||
|
|
*
|
||
|
|
*******************************************************************************/
|
||
|
|
MV_STATUS mvPciIfLocalDevNumSet(MV_U32 pciIf, MV_U32 devNum)
|
||
|
|
{
|
||
|
|
PCI_IF_TYPE pciIfType = mvPciIfTypeGet(pciIf);
|
||
|
|
|
||
|
|
if (PCI_IF_TYPE_CONVEN_PCIX == pciIfType)
|
||
|
|
{
|
||
|
|
#if defined(MV_INCLUDE_PCI)
|
||
|
|
return mvPciLocalDevNumSet(pciIf - MV_PCI_START_IF,
|
||
|
|
devNum);
|
||
|
|
#else
|
||
|
|
return MV_OK;
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
else if (PCI_IF_TYPE_PEX == pciIfType)
|
||
|
|
{
|
||
|
|
#if defined(MV_INCLUDE_PEX)
|
||
|
|
return mvPexLocalDevNumSet(pciIf - MV_PEX_START_IF,
|
||
|
|
devNum);
|
||
|
|
#else
|
||
|
|
return MV_OK;
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
mvOsPrintf("%s: ERROR!!! Invalid pciIf %d\n", __FUNCTION__, pciIf);
|
||
|
|
}
|
||
|
|
|
||
|
|
return MV_FAIL;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
* mvPciLocalDevNumGet - Get PCI interface local device number.
|
||
|
|
*
|
||
|
|
* DESCRIPTION:
|
||
|
|
* This function gets the local device number of a given PCI interface.
|
||
|
|
*
|
||
|
|
* INPUT:
|
||
|
|
* pciIf - PCI interface number.
|
||
|
|
*
|
||
|
|
* OUTPUT:
|
||
|
|
* None.
|
||
|
|
*
|
||
|
|
* RETURN:
|
||
|
|
* Local device number. 0xffffffff on Error
|
||
|
|
*
|
||
|
|
*******************************************************************************/
|
||
|
|
MV_U32 mvPciIfLocalDevNumGet(MV_U32 pciIf)
|
||
|
|
{
|
||
|
|
PCI_IF_TYPE pciIfType = mvPciIfTypeGet(pciIf);
|
||
|
|
|
||
|
|
if (PCI_IF_TYPE_CONVEN_PCIX == pciIfType)
|
||
|
|
{
|
||
|
|
#if defined(MV_INCLUDE_PCI)
|
||
|
|
return mvPciLocalDevNumGet(pciIf - MV_PCI_START_IF);
|
||
|
|
#else
|
||
|
|
return 0xFFFFFFFF;
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
else if (PCI_IF_TYPE_PEX == pciIfType)
|
||
|
|
{
|
||
|
|
#if defined(MV_INCLUDE_PEX)
|
||
|
|
return mvPexLocalDevNumGet(pciIf - MV_PEX_START_IF);
|
||
|
|
#else
|
||
|
|
return 0xFFFFFFFF;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
mvOsPrintf("%s: ERROR!!! Invalid pciIf %d\n", __FUNCTION__, pciIf);
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
* mvPciIfTypeGet -
|
||
|
|
*
|
||
|
|
* DESCRIPTION:
|
||
|
|
*
|
||
|
|
* INPUT:
|
||
|
|
*
|
||
|
|
* OUTPUT:
|
||
|
|
* None.
|
||
|
|
*
|
||
|
|
* RETURN:
|
||
|
|
*
|
||
|
|
*******************************************************************************/
|
||
|
|
|
||
|
|
PCI_IF_TYPE mvPciIfTypeGet(MV_U32 pciIf)
|
||
|
|
{
|
||
|
|
|
||
|
|
if ((pciIf >= MV_PCI_START_IF)&&(pciIf < MV_PCI_MAX_IF + MV_PCI_START_IF))
|
||
|
|
{
|
||
|
|
return PCI_IF_TYPE_CONVEN_PCIX;
|
||
|
|
}
|
||
|
|
else if ((pciIf >= MV_PEX_START_IF) &&
|
||
|
|
(pciIf < MV_PEX_MAX_IF + MV_PEX_START_IF))
|
||
|
|
{
|
||
|
|
return PCI_IF_TYPE_PEX;
|
||
|
|
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
mvOsPrintf("%s: ERROR!!! Invalid pciIf %d\n", __FUNCTION__, pciIf);
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0xffffffff;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
* mvPciIfTypeGet -
|
||
|
|
*
|
||
|
|
* DESCRIPTION:
|
||
|
|
*
|
||
|
|
* INPUT:
|
||
|
|
*
|
||
|
|
* OUTPUT:
|
||
|
|
* None.
|
||
|
|
*
|
||
|
|
* RETURN:
|
||
|
|
*
|
||
|
|
*******************************************************************************/
|
||
|
|
|
||
|
|
MV_U32 mvPciRealIfNumGet(MV_U32 pciIf)
|
||
|
|
{
|
||
|
|
|
||
|
|
PCI_IF_TYPE pciIfType = mvPciIfTypeGet(pciIf);
|
||
|
|
|
||
|
|
if (PCI_IF_TYPE_CONVEN_PCIX == pciIfType)
|
||
|
|
{
|
||
|
|
return (pciIf - MV_PCI_START_IF);
|
||
|
|
}
|
||
|
|
else if (PCI_IF_TYPE_PEX == pciIfType)
|
||
|
|
{
|
||
|
|
return (pciIf - MV_PEX_START_IF);
|
||
|
|
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
mvOsPrintf("%s: ERROR!!! Invalid pciIf %d\n", __FUNCTION__, pciIf);
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0xffffffff;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|