diff options
Diffstat (limited to 'target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/pci-if/pci_util/mvPciUtils.c')
| -rw-r--r-- | target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/pci-if/pci_util/mvPciUtils.c | 1006 |
1 files changed, 1006 insertions, 0 deletions
diff --git a/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/pci-if/pci_util/mvPciUtils.c b/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/pci-if/pci_util/mvPciUtils.c new file mode 100644 index 000000000..f2169793b --- /dev/null +++ b/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/pci-if/pci_util/mvPciUtils.c @@ -0,0 +1,1006 @@ +/******************************************************************************* +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. + +*******************************************************************************/ + +/* includes */ +#include "mvPciUtils.h" + +#include "ctrlEnv/mvCtrlEnvLib.h" + +/* #define MV_DEBUG */ +/* defines */ +#ifdef MV_DEBUG + #define DB(x) x + #define mvOsPrintf printf +#else + #define DB(x) +#endif + +/* +This module only support scanning of Header type 00h of pci devices +There is no suppotr for Header type 01h of pci devices ( PCI bridges ) +*/ + + +static MV_STATUS pciDetectDevice(MV_U32 pciIf, + MV_U32 bus, + MV_U32 dev, + MV_U32 func, + MV_PCI_DEVICE *pPciAgent); + +static MV_U32 pciDetectDeviceBars(MV_U32 pciIf, + MV_U32 bus, + MV_U32 dev, + MV_U32 func, + MV_PCI_DEVICE *pPciAgent); + + + + + + +/******************************************************************************* +* mvPciScan - Scan a PCI interface bus +* +* DESCRIPTION: +* Performs a full scan on a PCI interface and returns all possible details +* on the agents found on the bus. +* +* INPUT: +* pciIf - PCI Interface +* pPciAgents - Pointer to an Array of the pci agents to be detected +* pPciAgentsNum - pPciAgents array maximum number of elements +* +* OUTPUT: +* pPciAgents - Array of the pci agents detected on the bus +* pPciAgentsNum - Number of pci agents detected on the bus +* +* RETURN: +* MV_BAD_PARAM for bad parameters ,MV_ERROR on error ! otherwise MV_OK +* +*******************************************************************************/ + +MV_STATUS mvPciScan(MV_U32 pciIf, + MV_PCI_DEVICE *pPciAgents, + MV_U32 *pPciAgentsNum) +{ + + MV_U32 devIndex,funcIndex=0,busIndex=0,detectedDevNum=0; + MV_U32 localBus=mvPciIfLocalBusNumGet(pciIf); + MV_PCI_DEVICE *pPciDevice; + MV_PCI_DEVICE *pMainDevice; + + DB(mvOsPrintf("mvPciScan: PCI interface num %d\n", pciIf)); + /* Parameter checking */ + if (pciIf >= mvCtrlPexMaxIfGet()) + { + DB(mvOsPrintf("mvPciScan: ERR. Invalid PCI interface num %d\n", pciIf)); + return MV_BAD_PARAM; + } + if (NULL == pPciAgents) + { + DB(mvOsPrintf("mvPciScan: ERR. pPciAgents=NULL \n")); + return MV_BAD_PARAM; + } + if (NULL == pPciAgentsNum) + { + DB(mvOsPrintf("mvPciScan: ERR. pPciAgentsNum=NULL \n")); + return MV_BAD_PARAM; + } + + + DB(mvOsPrintf("mvPciScan: PCI interface num %d mvPciMasterEnable\n", pciIf)); + /* Master enable the MV PCI master */ + if (MV_OK != mvPciIfMasterEnable(pciIf,MV_TRUE)) + { + DB(mvOsPrintf("mvPciScan: ERR. mvPciMasterEnable failed \n")); + return MV_ERROR; + + } + + DB(mvOsPrintf("mvPciScan: PCI interface num scan%d\n", pciIf)); + + /* go through all busses */ + for (busIndex=localBus ; busIndex < MAX_PCI_BUSSES ; busIndex++) + { + /* go through all possible devices on the local bus */ + for (devIndex=0 ; devIndex < MAX_PCI_DEVICES ; devIndex++) + { + /* always start with function equal to zero */ + funcIndex=0; + + pPciDevice=&pPciAgents[detectedDevNum]; + DB(mvOsPrintf("mvPciScan: PCI interface num scan%d:%d\n", busIndex, devIndex)); + + if (MV_ERROR == pciDetectDevice(pciIf, + busIndex, + devIndex, + funcIndex, + pPciDevice)) + { + /* no device detected , try the next address */ + continue; + } + + /* We are here ! means we have detected a device*/ + /* always we start with only one function per device */ + pMainDevice = pPciDevice; + pPciDevice->funtionsNum = 1; + + + /* move on */ + detectedDevNum++; + + + /* check if we have no more room for a new device */ + if (detectedDevNum == *pPciAgentsNum) + { + DB(mvOsPrintf("mvPciScan: ERR. array passed too small \n")); + return MV_ERROR; + } + + /* check the detected device if it is a multi functional device then + scan all device functions*/ + if (pPciDevice->isMultiFunction == MV_TRUE) + { + /* start with function number 1 because we have already detected + function 0 */ + for (funcIndex=1; funcIndex<MAX_PCI_FUNCS ; funcIndex++) + { + pPciDevice=&pPciAgents[detectedDevNum]; + + if (MV_ERROR == pciDetectDevice(pciIf, + busIndex, + devIndex, + funcIndex, + pPciDevice)) + { + /* no device detected means no more functions !*/ + continue; + } + /* We are here ! means we have detected a device */ + + /* move on */ + pMainDevice->funtionsNum++; + detectedDevNum++; + + /* check if we have no more room for a new device */ + if (detectedDevNum == *pPciAgentsNum) + { + DB(mvOsPrintf("mvPciScan: ERR. Array too small\n")); + return MV_ERROR; + } + + + } + } + + } + + } + + /* return the number of devices actually detected on the bus ! */ + *pPciAgentsNum = detectedDevNum; + + return MV_OK; + +} + + +/******************************************************************************* +* pciDetectDevice - Detect a pci device parameters +* +* DESCRIPTION: +* This function detect if a pci agent exist on certain address ! +* and if exists then it fills all possible information on the +* agent +* +* INPUT: +* pciIf - PCI Interface +* bus - Bus number +* dev - Device number +* func - Function number +* +* +* +* OUTPUT: +* pPciAgent - pointer to the pci agent filled with its information +* +* RETURN: +* MV_ERROR if no device , MV_OK otherwise +* +*******************************************************************************/ + +static MV_STATUS pciDetectDevice(MV_U32 pciIf, + MV_U32 bus, + MV_U32 dev, + MV_U32 func, + MV_PCI_DEVICE *pPciAgent) +{ + MV_U32 pciData; + + /* no Parameters checking ! because it is static function and it is assumed + that all parameters were checked in the calling function */ + + + /* Try read the PCI Vendor ID and Device ID */ + + /* We will scan only ourselves and the PCI slots that exist on the + board, because we may have a case that we have one slot that has + a Cardbus connector, and because CardBus answers all IDsels we want + to scan only this slot and ourseleves. + + */ + #if defined(MV_INCLUDE_PCI) + if ((PCI_IF_TYPE_CONVEN_PCIX == mvPciIfTypeGet(pciIf)) && + (DB_88F5181_DDR1_PRPMC != mvBoardIdGet()) && + (DB_88F5181_DDR1_PEXPCI != mvBoardIdGet()) && + (DB_88F5181_DDR1_MNG != mvBoardIdGet())) + { + + if (mvBoardIsOurPciSlot(bus, dev) == MV_FALSE) + { + return MV_ERROR; + } + } + #endif /* defined(MV_INCLUDE_PCI) */ + + pciData = mvPciIfConfigRead(pciIf, bus,dev,func, PCI_DEVICE_AND_VENDOR_ID); + + if (PCI_ERROR_CODE == pciData) + { + /* no device exist */ + return MV_ERROR; + } + + /* we are here ! means a device is detected */ + + /* fill basic information */ + pPciAgent->busNumber=bus; + pPciAgent->deviceNum=dev; + pPciAgent->function=func; + + /* Fill the PCI Vendor ID and Device ID */ + + pPciAgent->venID = (pciData & PDVIR_VEN_ID_MASK) >> PDVIR_VEN_ID_OFFS; + pPciAgent->deviceID = (pciData & PDVIR_DEV_ID_MASK) >> PDVIR_DEV_ID_OFFS; + + /* Read Status and command */ + pciData = mvPciIfConfigRead(pciIf, + bus,dev,func, + PCI_STATUS_AND_COMMAND); + + + /* Fill related Status and Command information*/ + + if (pciData & PSCR_TAR_FAST_BB) + { + pPciAgent->isFastB2BCapable = MV_TRUE; + } + else + { + pPciAgent->isFastB2BCapable = MV_FALSE; + } + + if (pciData & PSCR_CAP_LIST) + { + pPciAgent->isCapListSupport=MV_TRUE; + } + else + { + pPciAgent->isCapListSupport=MV_FALSE; + } + + if (pciData & PSCR_66MHZ_EN) + { + pPciAgent->is66MHZCapable=MV_TRUE; + } + else + { + pPciAgent->is66MHZCapable=MV_FALSE; + } + + /* Read Class Code and Revision */ + pciData = mvPciIfConfigRead(pciIf, + bus,dev,func, + PCI_CLASS_CODE_AND_REVISION_ID); + + + pPciAgent->baseClassCode = + (pciData & PCCRIR_BASE_CLASS_MASK) >> PCCRIR_BASE_CLASS_OFFS; + + pPciAgent->subClassCode = + (pciData & PCCRIR_SUB_CLASS_MASK) >> PCCRIR_SUB_CLASS_OFFS; + + pPciAgent->progIf = + (pciData & PCCRIR_PROGIF_MASK) >> PCCRIR_PROGIF_OFFS; + + pPciAgent->revisionID = + (pciData & PCCRIR_REVID_MASK) >> PCCRIR_REVID_OFFS; + + /* Read PCI_BIST_HDR_TYPE_LAT_TMR_CACHE_LINE */ + pciData = mvPciIfConfigRead(pciIf, + bus,dev,func, + PCI_BIST_HDR_TYPE_LAT_TMR_CACHE_LINE); + + + + pPciAgent->pciCacheLine= + (pciData & PBHTLTCLR_CACHELINE_MASK ) >> PBHTLTCLR_CACHELINE_OFFS; + pPciAgent->pciLatencyTimer= + (pciData & PBHTLTCLR_LATTIMER_MASK) >> PBHTLTCLR_LATTIMER_OFFS; + + switch (pciData & PBHTLTCLR_HEADER_MASK) + { + case PBHTLTCLR_HEADER_STANDARD: + + pPciAgent->pciHeader=MV_PCI_STANDARD; + break; + case PBHTLTCLR_HEADER_PCI2PCI_BRIDGE: + + pPciAgent->pciHeader=MV_PCI_PCI2PCI_BRIDGE; + break; + + } + + if (pciData & PBHTLTCLR_MULTI_FUNC) + { + pPciAgent->isMultiFunction=MV_TRUE; + } + else + { + pPciAgent->isMultiFunction=MV_FALSE; + } + + if (pciData & PBHTLTCLR_BISTCAP) + { + pPciAgent->isBISTCapable=MV_TRUE; + } + else + { + pPciAgent->isBISTCapable=MV_FALSE; + } + + + /* read this device pci bars */ + + pciDetectDeviceBars(pciIf, + bus,dev,func, + pPciAgent); + + + /* check if we are bridge*/ + if ((pPciAgent->baseClassCode == PCI_BRIDGE_CLASS)&& + (pPciAgent->subClassCode == P2P_BRIDGE_SUB_CLASS_CODE)) + { + + /* Read P2P_BUSSES_NUM */ + pciData = mvPciIfConfigRead(pciIf, + bus,dev,func, + P2P_BUSSES_NUM); + + pPciAgent->p2pPrimBusNum = + (pciData & PBM_PRIME_BUS_NUM_MASK) >> PBM_PRIME_BUS_NUM_OFFS; + + pPciAgent->p2pSecBusNum = + (pciData & PBM_SEC_BUS_NUM_MASK) >> PBM_SEC_BUS_NUM_OFFS; + + pPciAgent->p2pSubBusNum = + (pciData & PBM_SUB_BUS_NUM_MASK) >> PBM_SUB_BUS_NUM_OFFS; + + pPciAgent->p2pSecLatencyTimer = + (pciData & PBM_SEC_LAT_TMR_MASK) >> PBM_SEC_LAT_TMR_OFFS; + + /* Read P2P_IO_BASE_LIMIT_SEC_STATUS */ + pciData = mvPciIfConfigRead(pciIf, + bus,dev,func, + P2P_IO_BASE_LIMIT_SEC_STATUS); + + pPciAgent->p2pSecStatus = + (pciData & PIBLSS_SEC_STATUS_MASK) >> PIBLSS_SEC_STATUS_OFFS; + + + pPciAgent->p2pIObase = + (pciData & PIBLSS_IO_BASE_MASK) << PIBLSS_IO_LIMIT_OFFS; + + /* clear low address (should be zero)*/ + pPciAgent->p2pIObase &= PIBLSS_HIGH_ADDR_MASK; + + pPciAgent->p2pIOLimit = + (pciData & PIBLSS_IO_LIMIT_MASK); + + /* fill low address with 0xfff */ + pPciAgent->p2pIOLimit |= PIBLSS_LOW_ADDR_MASK; + + + switch ((pciData & PIBLSS_ADD_CAP_MASK) >> PIBLSS_ADD_CAP_OFFS) + { + case PIBLSS_ADD_CAP_16BIT: + + pPciAgent->bIO32 = MV_FALSE; + + break; + case PIBLSS_ADD_CAP_32BIT: + + pPciAgent->bIO32 = MV_TRUE; + + /* Read P2P_IO_BASE_LIMIT_UPPER_16 */ + pciData = mvPciIfConfigRead(pciIf, + bus,dev,func, + P2P_IO_BASE_LIMIT_UPPER_16); + + pPciAgent->p2pIObase |= + (pciData & PRBU_IO_UPP_BASE_MASK) << PRBU_IO_UPP_LIMIT_OFFS; + + + pPciAgent->p2pIOLimit |= + (pciData & PRBU_IO_UPP_LIMIT_MASK); + + break; + + } + + + /* Read P2P_MEM_BASE_LIMIT */ + pciData = mvPciIfConfigRead(pciIf, + bus,dev,func, + P2P_MEM_BASE_LIMIT); + + pPciAgent->p2pMemBase = + (pciData & PMBL_MEM_BASE_MASK) << PMBL_MEM_LIMIT_OFFS; + + /* clear low address */ + pPciAgent->p2pMemBase &= PMBL_HIGH_ADDR_MASK; + + pPciAgent->p2pMemLimit = + (pciData & PMBL_MEM_LIMIT_MASK); + + /* add 0xfffff */ + pPciAgent->p2pMemLimit |= PMBL_LOW_ADDR_MASK; + + + /* Read P2P_PREF_MEM_BASE_LIMIT */ + pciData = mvPciIfConfigRead(pciIf, + bus,dev,func, + P2P_PREF_MEM_BASE_LIMIT); + + + pPciAgent->p2pPrefMemBase = + (pciData & PRMBL_PREF_MEM_BASE_MASK) << PRMBL_PREF_MEM_LIMIT_OFFS; + + /* get high address only */ + pPciAgent->p2pPrefMemBase &= PRMBL_HIGH_ADDR_MASK; + + + + pPciAgent->p2pPrefMemLimit = + (pciData & PRMBL_PREF_MEM_LIMIT_MASK); + + /* add 0xfffff */ + pPciAgent->p2pPrefMemLimit |= PRMBL_LOW_ADDR_MASK; + + switch (pciData & PRMBL_ADD_CAP_MASK) + { + case PRMBL_ADD_CAP_32BIT: + + pPciAgent->bPrefMem64 = MV_FALSE; + + /* Read P2P_PREF_BASE_UPPER_32 */ + pPciAgent->p2pPrefBaseUpper32Bits = 0; + + /* Read P2P_PREF_LIMIT_UPPER_32 */ + pPciAgent->p2pPrefLimitUpper32Bits = 0; + + break; + case PRMBL_ADD_CAP_64BIT: + + pPciAgent->bPrefMem64 = MV_TRUE; + + /* Read P2P_PREF_BASE_UPPER_32 */ + pPciAgent->p2pPrefBaseUpper32Bits = mvPciIfConfigRead(pciIf, + bus,dev,func, + P2P_PREF_BASE_UPPER_32); + + /* Read P2P_PREF_LIMIT_UPPER_32 */ + pPciAgent->p2pPrefLimitUpper32Bits = mvPciIfConfigRead(pciIf, + bus,dev,func, + P2P_PREF_LIMIT_UPPER_32); + + break; + + } + + } + else /* no bridge */ + { + /* Read PCI_SUBSYS_ID_AND_SUBSYS_VENDOR_ID */ + pciData = mvPciIfConfigRead(pciIf, + bus,dev,func, + PCI_SUBSYS_ID_AND_SUBSYS_VENDOR_ID); + + + pPciAgent->subSysVenID = + (pciData & PSISVIR_VENID_MASK) >> PSISVIR_VENID_OFFS; + pPciAgent->subSysID = + (pciData & PSISVIR_DEVID_MASK) >> PSISVIR_DEVID_OFFS; + + + /* Read PCI_EXPANSION_ROM_BASE_ADDR_REG */ + pciData = mvPciIfConfigRead(pciIf, + bus,dev,func, + PCI_EXPANSION_ROM_BASE_ADDR_REG); + + + if (pciData & PERBAR_EXPROMEN) + { + pPciAgent->isExpRom = MV_TRUE; + } + else + { + pPciAgent->isExpRom = MV_FALSE; + } + + pPciAgent->expRomAddr = + (pciData & PERBAR_BASE_MASK) >> PERBAR_BASE_OFFS; + + } + + + if (MV_TRUE == pPciAgent->isCapListSupport) + { + /* Read PCI_CAPABILTY_LIST_POINTER */ + pciData = mvPciIfConfigRead(pciIf, + bus,dev,func, + PCI_CAPABILTY_LIST_POINTER); + + pPciAgent->capListPointer = + (pciData & PCLPR_CAPPTR_MASK) >> PCLPR_CAPPTR_OFFS; + + } + + /* Read PCI_INTERRUPT_PIN_AND_LINE */ + pciData = mvPciIfConfigRead(pciIf, + bus,dev,func, + PCI_INTERRUPT_PIN_AND_LINE); + + + pPciAgent->irqLine= + (pciData & PIPLR_INTLINE_MASK) >> PIPLR_INTLINE_OFFS; + + pPciAgent->intPin= + (MV_PCI_INT_PIN)(pciData & PIPLR_INTPIN_MASK) >> PIPLR_INTPIN_OFFS; + + pPciAgent->minGrant= + (pciData & PIPLR_MINGRANT_MASK) >> PIPLR_MINGRANT_OFFS; + pPciAgent->maxLatency= + (pciData & PIPLR_MAXLATEN_MASK) >> PIPLR_MAXLATEN_OFFS; + + mvPciClassNameGet(pPciAgent->baseClassCode, + (MV_8 *)pPciAgent->type); + + return MV_OK; + + +} + +/******************************************************************************* +* pciDetectDeviceBars - Detect a pci device bars +* +* DESCRIPTION: +* This function detects all pci agent bars +* +* INPUT: +* pciIf - PCI Interface +* bus - Bus number +* dev - Device number +* func - Function number +* +* +* +* OUTPUT: +* pPciAgent - pointer to the pci agent filled with its information +* +* RETURN: +* detected bars number +* +*******************************************************************************/ +static MV_U32 pciDetectDeviceBars(MV_U32 pciIf, + MV_U32 bus, + MV_U32 dev, + MV_U32 func, + MV_PCI_DEVICE *pPciAgent) +{ + MV_U32 pciData,barIndex,detectedBar=0; + MV_U32 tmpBaseHigh=0,tmpBaseLow=0; + MV_U32 pciMaxBars=0; + + pPciAgent->barsNum=0; + + /* check if we are bridge*/ + if ((pPciAgent->baseClassCode == PCI_BRIDGE_CLASS)&& + (pPciAgent->subClassCode == P2P_BRIDGE_SUB_CLASS_CODE)) + { + pciMaxBars = 2; + } + else /* no bridge */ + { + pciMaxBars = 6; + } + + /* read this device pci bars */ + for (barIndex = 0 ; barIndex < pciMaxBars ; barIndex++ ) + { + /* Read PCI_MEMORY_BAR_BASE_ADDR */ + tmpBaseLow = pciData = mvPciIfConfigRead(pciIf, + bus,dev,func, + PCI_MEMORY_BAR_BASE_ADDR(barIndex)); + + pPciAgent->pciBar[detectedBar].barOffset = + PCI_MEMORY_BAR_BASE_ADDR(barIndex); + + /* check if the bar is 32bit or 64bit bar */ + switch (pciData & PBBLR_TYPE_MASK) + { + case PBBLR_TYPE_32BIT_ADDR: + pPciAgent->pciBar[detectedBar].barType = PCI_32BIT_BAR; + break; + case PBBLR_TYPE_64BIT_ADDR: + pPciAgent->pciBar[detectedBar].barType = PCI_64BIT_BAR; + break; + + } + + /* check if it is memory or IO bar */ + if (pciData & PBBLR_IOSPACE) + { + pPciAgent->pciBar[detectedBar].barMapping=PCI_IO_BAR; + } + else + { + pPciAgent->pciBar[detectedBar].barMapping=PCI_MEMORY_BAR; + } + + /* if it is memory bar then check if it is prefetchable */ + if (PCI_MEMORY_BAR == pPciAgent->pciBar[detectedBar].barMapping) + { + if (pciData & PBBLR_PREFETCH_EN) + { + pPciAgent->pciBar[detectedBar].isPrefetchable = MV_TRUE; + } + else + { + pPciAgent->pciBar[detectedBar].isPrefetchable = MV_FALSE; + } + + pPciAgent->pciBar[detectedBar].barBaseLow = + pciData & PBBLR_MEM_BASE_MASK; + + + } + else /* IO Bar */ + { + pPciAgent->pciBar[detectedBar].barBaseLow = + pciData & PBBLR_IO_BASE_MASK; + + } + + pPciAgent->pciBar[detectedBar].barBaseHigh=0; + + if (PCI_64BIT_BAR == pPciAgent->pciBar[detectedBar].barType) + { + barIndex++; + + tmpBaseHigh = pPciAgent->pciBar[detectedBar].barBaseHigh = + mvPciIfConfigRead(pciIf, + bus,dev,func, + PCI_MEMORY_BAR_BASE_ADDR(barIndex)); + + + } + + /* calculating full base address (64bit) */ + pPciAgent->pciBar[detectedBar].barBaseAddr = + (MV_U64)pPciAgent->pciBar[detectedBar].barBaseHigh; + + pPciAgent->pciBar[detectedBar].barBaseAddr <<= 32; + + pPciAgent->pciBar[detectedBar].barBaseAddr |= + (MV_U64)pPciAgent->pciBar[detectedBar].barBaseLow; + + + + /* get the sizes of the the bar */ + + pPciAgent->pciBar[detectedBar].barSizeHigh=0; + + if ((PCI_64BIT_BAR == pPciAgent->pciBar[detectedBar].barType) && + (PCI_MEMORY_BAR == pPciAgent->pciBar[detectedBar].barMapping)) + + { + /* write oxffffffff to the bar to get the size */ + /* start with sizelow ( original value was saved in tmpBaseLow ) */ + mvPciIfConfigWrite(pciIf, + bus,dev,func, + PCI_MEMORY_BAR_BASE_ADDR(barIndex-1), + 0xffffffff); + + /* read size */ + pPciAgent->pciBar[detectedBar].barSizeLow = + mvPciIfConfigRead(pciIf, + bus,dev,func, + PCI_MEMORY_BAR_BASE_ADDR(barIndex-1)); + + + + /* restore original value */ + mvPciIfConfigWrite(pciIf, + bus,dev,func, + PCI_MEMORY_BAR_BASE_ADDR(barIndex-1), + tmpBaseLow); + + + /* now do the same for BaseHigh */ + + /* write oxffffffff to the bar to get the size */ + mvPciIfConfigWrite(pciIf, + bus,dev,func, + PCI_MEMORY_BAR_BASE_ADDR(barIndex), + 0xffffffff); + + /* read size */ + pPciAgent->pciBar[detectedBar].barSizeHigh = + mvPciIfConfigRead(pciIf, + bus,dev,func, + PCI_MEMORY_BAR_BASE_ADDR(barIndex)); + + /* restore original value */ + mvPciIfConfigWrite(pciIf, + bus,dev,func, + PCI_MEMORY_BAR_BASE_ADDR(barIndex), + tmpBaseHigh); + + if ((0 == pPciAgent->pciBar[detectedBar].barSizeLow)&& + (0 == pPciAgent->pciBar[detectedBar].barSizeHigh)) + { + /* this bar is not applicable for this device, + ignore all previous settings and check the next bar*/ + + /* we though this was a 64bit bar , and it seems this + was wrong ! so decrement barIndex */ + barIndex--; + continue; + } + + /* calculate the full 64 bit size */ + + if (0 != pPciAgent->pciBar[detectedBar].barSizeHigh) + { + pPciAgent->pciBar[detectedBar].barSizeLow &= PBBLR_MEM_BASE_MASK; + + pPciAgent->pciBar[detectedBar].barSizeLow = + ~pPciAgent->pciBar[detectedBar].barSizeLow + 1; + + pPciAgent->pciBar[detectedBar].barSizeHigh = 0; + + } + else + { + + pPciAgent->pciBar[detectedBar].barSizeLow &= PBBLR_MEM_BASE_MASK; + + pPciAgent->pciBar[detectedBar].barSizeLow = + ~pPciAgent->pciBar[detectedBar].barSizeLow + 1; + + pPciAgent->pciBar[detectedBar].barSizeHigh = 0; + + } + + + + } + else /* 32bit bar */ + { + /* write oxffffffff to the bar to get the size */ + mvPciIfConfigWrite(pciIf, + bus,dev,func, + PCI_MEMORY_BAR_BASE_ADDR(barIndex), + 0xffffffff); + + /* read size */ + pPciAgent->pciBar[detectedBar].barSizeLow = + mvPciIfConfigRead(pciIf, + bus,dev,func, + PCI_MEMORY_BAR_BASE_ADDR(barIndex)); + + if (0 == pPciAgent->pciBar[detectedBar].barSizeLow) + { + /* this bar is not applicable for this device, + ignore all previous settings and check the next bar*/ + continue; + } + + + /* restore original value */ + mvPciIfConfigWrite(pciIf, + bus,dev,func, + PCI_MEMORY_BAR_BASE_ADDR(barIndex), + tmpBaseLow); + + /* calculate size low */ + + if (PCI_MEMORY_BAR == pPciAgent->pciBar[detectedBar].barMapping) + { + pPciAgent->pciBar[detectedBar].barSizeLow &= PBBLR_MEM_BASE_MASK; + } + else + { + pPciAgent->pciBar[detectedBar].barSizeLow &= PBBLR_IO_BASE_MASK; + } + + pPciAgent->pciBar[detectedBar].barSizeLow = + ~pPciAgent->pciBar[detectedBar].barSizeLow + 1; + + pPciAgent->pciBar[detectedBar].barSizeHigh = 0; + pPciAgent->pciBar[detectedBar].barSize = + (MV_U64)pPciAgent->pciBar[detectedBar].barSizeLow; + + + } + + /* we are here ! this means we have already detected a bar for + this device , now move on */ + + detectedBar++; + pPciAgent->barsNum++; + } + + return detectedBar; +} + + +/******************************************************************************* +* mvPciClassNameGet - get PCI class name +* +* DESCRIPTION: +* This function returns the PCI class name +* +* INPUT: +* baseClassCode - Base Class Code. +* +* OUTPUT: +* pType - the class name +* +* RETURN: +* MV_BAD_PARAM for bad parameters ,MV_ERROR on error ! otherwise MV_OK +* +*******************************************************************************/ +MV_STATUS mvPciClassNameGet(MV_U32 baseClassCode, MV_8 *pType) +{ + + switch(baseClassCode) + { + case 0x0: + strcpy(pType,"Old generation device"); + break; + case 0x1: + strcpy(pType,"Mass storage controller"); + break; + case 0x2: + strcpy(pType,"Network controller"); + break; + case 0x3: + strcpy(pType,"Display controller"); + break; + case 0x4: + strcpy(pType,"Multimedia device"); + break; + case 0x5: + strcpy(pType,"Memory controller"); + break; + case 0x6: + strcpy(pType,"Bridge Device"); + break; + case 0x7: + strcpy(pType,"Simple Communication controllers"); + break; + case 0x8: + strcpy(pType,"Base system peripherals"); + break; + case 0x9: + strcpy(pType,"Input Devices"); + break; + case 0xa: + strcpy(pType,"Docking stations"); + break; + case 0xb: + strcpy(pType,"Processors"); + break; + case 0xc: + strcpy(pType,"Serial bus controllers"); + break; + case 0xd: + strcpy(pType,"Wireless controllers"); + break; + case 0xe: + strcpy(pType,"Intelligent I/O controllers"); + break; + case 0xf: + strcpy(pType,"Satellite communication controllers"); + break; + case 0x10: + strcpy(pType,"Encryption/Decryption controllers"); + break; + case 0x11: + strcpy(pType,"Data acquisition and signal processing controllers"); + break; + default: + strcpy(pType,"Unknown device"); + break; + } + + return MV_OK; + +} + + + |