--- /dev/null
+/*******************************************************************************
+Copyright (C) Marvell International Ltd. and its affiliates
+
+This software file (the "File") is owned and distributed by Marvell
+International Ltd. and/or its affiliates ("Marvell") under the following
+alternative licensing terms. Once you have made an election to distribute the
+File under one of the following license alternatives, please (i) delete this
+introductory statement regarding license alternatives, (ii) delete the two
+license alternatives that you have not elected to use and (iii) preserve the
+Marvell copyright notice above.
+
+********************************************************************************
+Marvell Commercial License Option
+
+If you received this File from Marvell and you have entered into a commercial
+license agreement (a "Commercial License") with Marvell, the File is licensed
+to you under the terms of the applicable Commercial License.
+
+********************************************************************************
+Marvell GPL License Option
+
+If you received this File from Marvell, you may opt to use, redistribute and/or
+modify this File in accordance with the terms and conditions of the General
+Public License Version 2, June 1991 (the "GPL License"), a copy of which is
+available along with the File in the license.txt file or by writing to the Free
+Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 or
+on the worldwide web at http://www.gnu.org/licenses/gpl.txt.
+
+THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE IMPLIED
+WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY
+DISCLAIMED. The GPL License provides additional details about this warranty
+disclaimer.
+********************************************************************************
+Marvell BSD License Option
+
+If you received this File from Marvell, you may opt to use, redistribute and/or
+modify this File under the following licensing terms.
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ * Neither the name of Marvell nor the names of its contributors may be
+ used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*******************************************************************************/
+
+#include "mvPciIf.h"
+#include "ctrlEnv/sys/mvSysPex.h"
+
+#if defined(MV_INCLUDE_PCI)
+#include "ctrlEnv/sys/mvSysPci.h"
+#endif
+
+
+/* defines */
+#ifdef MV_DEBUG
+ #define DB(x) x
+#else
+ #define DB(x)
+#endif
+
+
+/*******************************************************************************
+* mvPciInit - Initialize PCI interfaces
+*
+* DESCRIPTION:
+*
+* INPUT:
+*
+*
+* OUTPUT:
+* None.
+*
+* RETURN:
+* MV_OK if function success otherwise MV_ERROR or MV_BAD_PARAM
+*
+*******************************************************************************/
+
+
+MV_STATUS mvPciIfInit(MV_U32 pciIf, PCI_IF_MODE pciIfmode)
+{
+ PCI_IF_TYPE pciIfType = mvPciIfTypeGet(pciIf);
+
+ if (PCI_IF_TYPE_CONVEN_PCIX == pciIfType)
+ {
+ #if defined(MV_INCLUDE_PCI)
+
+ MV_PCI_MOD pciMod;
+
+ if (PCI_IF_MODE_HOST == pciIfmode)
+ {
+ pciMod = MV_PCI_MOD_HOST;
+ }
+ else if (PCI_IF_MODE_DEVICE == pciIfmode)
+ {
+ pciMod = MV_PCI_MOD_DEVICE;
+ }
+ else
+ {
+ mvOsPrintf("%s: ERROR!!! Bus %d mode %d neither host nor device!\n",
+ __FUNCTION__, pciIf, pciIfmode);
+ return MV_FAIL;
+ }
+
+ return mvPciInit(pciIf - MV_PCI_START_IF, pciMod);
+ #else
+ return MV_OK;
+ #endif
+ }
+ else if (PCI_IF_TYPE_PEX == pciIfType)
+ {
+ #if defined(MV_INCLUDE_PEX)
+
+ MV_PEX_TYPE pexType;
+
+ if (PCI_IF_MODE_HOST == pciIfmode)
+ {
+ pexType = MV_PEX_ROOT_COMPLEX;
+ }
+ else if (PCI_IF_MODE_DEVICE == pciIfmode)
+ {
+ pexType = MV_PEX_END_POINT;
+ }
+ else
+ {
+ mvOsPrintf("%s: ERROR!!! Bus %d type %d neither root complex nor" \
+ " end point\n", __FUNCTION__, pciIf, pciIfmode);
+ return MV_FAIL;
+ }
+ return mvPexInit(pciIf - MV_PEX_START_IF, pexType);
+
+ #else
+ return MV_OK;
+ #endif
+
+ }
+ else
+ {
+ mvOsPrintf("%s: ERROR!!! Invalid pciIf %d\n", __FUNCTION__, pciIf);
+ }
+
+ return MV_FAIL;
+
+}
+
+/* PCI configuration space read write */
+
+/*******************************************************************************
+* mvPciConfigRead - Read from configuration space
+*
+* DESCRIPTION:
+* This function performs a 32 bit read from PCI configuration space.
+* It supports both type 0 and type 1 of Configuration Transactions
+* (local and over bridge). In order to read from local bus segment, use
+* bus number retrieved from mvPciLocalBusNumGet(). Other bus numbers
+* will result configuration transaction of type 1 (over bridge).
+*
+* INPUT:
+* pciIf - PCI interface number.
+* bus - PCI segment bus number.
+* dev - PCI device number.
+* func - Function number.
+* regOffs - Register offset.
+*
+* OUTPUT:
+* None.
+*
+* RETURN:
+* 32bit register data, 0xffffffff on error
+*
+*******************************************************************************/
+MV_U32 mvPciIfConfigRead (MV_U32 pciIf, MV_U32 bus, MV_U32 dev, MV_U32 func,
+ MV_U32 regOff)
+{
+ PCI_IF_TYPE pciIfType = mvPciIfTypeGet(pciIf);
+
+ if (PCI_IF_TYPE_CONVEN_PCIX == pciIfType)
+ {
+ #if defined(MV_INCLUDE_PCI)
+ return mvPciConfigRead(pciIf - MV_PCI_START_IF,
+ bus,
+ dev,
+ func,
+ regOff);
+ #else
+ return 0xffffffff;
+ #endif
+ }
+ else if (PCI_IF_TYPE_PEX == pciIfType)
+ {
+ #if defined(MV_INCLUDE_PEX)
+ return mvPexConfigRead(pciIf - MV_PEX_START_IF,
+ bus,
+ dev,
+ func,
+ regOff);
+ #else
+ return 0xffffffff;
+ #endif
+
+ }
+ else
+ {
+ mvOsPrintf("%s: ERROR!!! Invalid pciIf %d\n", __FUNCTION__, pciIf);
+ }
+
+ return 0;
+
+}
+
+/*******************************************************************************
+* mvPciConfigWrite - Write to configuration space
+*
+* DESCRIPTION:
+* This function performs a 32 bit write to PCI configuration space.
+* It supports both type 0 and type 1 of Configuration Transactions
+* (local and over bridge). In order to write to local bus segment, use
+* bus number retrieved from mvPciLocalBusNumGet(). Other bus numbers
+* will result configuration transaction of type 1 (over bridge).
+*
+* INPUT:
+* pciIf - PCI interface number.
+* bus - PCI segment bus number.
+* dev - PCI device number.
+* func - Function number.
+* regOffs - Register offset.
+* data - 32bit data.
+*
+* OUTPUT:
+* None.
+*
+* RETURN:
+* MV_BAD_PARAM for bad parameters ,MV_ERROR on error ! otherwise MV_OK
+*
+*******************************************************************************/
+MV_STATUS mvPciIfConfigWrite(MV_U32 pciIf, MV_U32 bus, MV_U32 dev,
+ MV_U32 func, MV_U32 regOff, MV_U32 data)
+{
+ PCI_IF_TYPE pciIfType = mvPciIfTypeGet(pciIf);
+
+ if (PCI_IF_TYPE_CONVEN_PCIX == pciIfType)
+ {
+ #if defined(MV_INCLUDE_PCI)
+ return mvPciConfigWrite(pciIf - MV_PCI_START_IF,
+ bus,
+ dev,
+ func,
+ regOff,
+ data);
+ #else
+ return MV_OK;
+ #endif
+ }
+ else if (PCI_IF_TYPE_PEX == pciIfType)
+ {
+ #if defined(MV_INCLUDE_PEX)
+ return mvPexConfigWrite(pciIf - MV_PEX_START_IF,
+ bus,
+ dev,
+ func,
+ regOff,
+ data);
+ #else
+ return MV_OK;
+ #endif
+
+ }
+ else
+ {
+ mvOsPrintf("%s: ERROR!!! Invalid pciIf %d\n", __FUNCTION__, pciIf);
+ }
+
+ return MV_FAIL;
+
+}
+
+/*******************************************************************************
+* mvPciMasterEnable - Enable/disale PCI interface master transactions.
+*
+* DESCRIPTION:
+* This function performs read modified write to PCI command status
+* (offset 0x4) to set/reset bit 2. After this bit is set, the PCI
+* master is allowed to gain ownership on the bus, otherwise it is
+* incapable to do so.
+*
+* INPUT:
+* pciIf - PCI interface number.
+* enable - Enable/disable parameter.
+*
+* OUTPUT:
+* None.
+*
+* RETURN:
+* MV_BAD_PARAM for bad parameters ,MV_ERROR on error ! otherwise MV_OK
+*
+*******************************************************************************/
+MV_STATUS mvPciIfMasterEnable(MV_U32 pciIf, MV_BOOL enable)
+{
+
+ PCI_IF_TYPE pciIfType = mvPciIfTypeGet(pciIf);
+
+ if (PCI_IF_TYPE_CONVEN_PCIX == pciIfType)
+ {
+ #if defined(MV_INCLUDE_PCI)
+ return mvPciMasterEnable(pciIf - MV_PCI_START_IF,
+ enable);
+ #else
+ return MV_OK;
+ #endif
+ }
+ else if (PCI_IF_TYPE_PEX == pciIfType)
+ {
+ #if defined(MV_INCLUDE_PEX)
+ return mvPexMasterEnable(pciIf - MV_PEX_START_IF,
+ enable);
+ #else
+ return MV_OK;
+ #endif
+ }
+ else
+ {
+ mvOsPrintf("%s: ERROR!!! Invalid pciIf %d\n", __FUNCTION__, pciIf);
+ }
+
+ return MV_FAIL;
+
+}
+
+
+/*******************************************************************************
+* mvPciSlaveEnable - Enable/disale PCI interface slave transactions.
+*
+* DESCRIPTION:
+* This function performs read modified write to PCI command status
+* (offset 0x4) to set/reset bit 0 and 1. After those bits are set,
+* the PCI slave is allowed to respond to PCI IO space access (bit 0)
+* and PCI memory space access (bit 1).
+*
+* INPUT:
+* pciIf - PCI interface number.
+* dev - PCI device number.
+* enable - Enable/disable parameter.
+*
+* OUTPUT:
+* None.
+*
+* RETURN:
+* MV_BAD_PARAM for bad parameters ,MV_ERROR on error ! otherwise MV_OK
+*
+*******************************************************************************/
+MV_STATUS mvPciIfSlaveEnable(MV_U32 pciIf,MV_U32 bus, MV_U32 dev, MV_BOOL enable)
+{
+
+ PCI_IF_TYPE pciIfType = mvPciIfTypeGet(pciIf);
+
+ if (PCI_IF_TYPE_CONVEN_PCIX == pciIfType)
+ {
+ #if defined(MV_INCLUDE_PCI)
+ return mvPciSlaveEnable(pciIf - MV_PCI_START_IF,bus,dev,
+ enable);
+ #else
+ return MV_OK;
+ #endif
+ }
+ else if (PCI_IF_TYPE_PEX == pciIfType)
+ {
+ #if defined(MV_INCLUDE_PEX)
+ return mvPexSlaveEnable(pciIf - MV_PEX_START_IF,bus,dev,
+ enable);
+ #else
+ return MV_OK;
+ #endif
+ }
+ else
+ {
+ mvOsPrintf("%s: ERROR!!! Invalid pciIf %d\n", __FUNCTION__, pciIf);
+ }
+
+ 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;
+
+}
+
+
+
projects / 15.05 / openwrt.git / blobdiff