/* IBM_PROLOG_BEGIN_TAG */ /* This is an automatically generated prolog. */ /* */ /* $Source: src/usr/hwas/hwasPlat.C $ */ /* */ /* OpenPOWER HostBoot Project */ /* */ /* Contributors Listed Below - COPYRIGHT 2012,2017 */ /* [+] Google Inc. */ /* [+] International Business Machines Corp. */ /* */ /* */ /* Licensed under the Apache License, Version 2.0 (the "License"); */ /* you may not use this file except in compliance with the License. */ /* You may obtain a copy of the License at */ /* */ /* http://www.apache.org/licenses/LICENSE-2.0 */ /* */ /* Unless required by applicable law or agreed to in writing, software */ /* distributed under the License is distributed on an "AS IS" BASIS, */ /* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */ /* implied. See the License for the specific language governing */ /* permissions and limitations under the License. */ /* */ /* IBM_PROLOG_END_TAG */ /** * @file hwasPlat.C * * @brief Platform specifics */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include namespace HWAS { class RegisterHWASFunctions { public: RegisterHWASFunctions() { // HWAS is awake // register processCallout function for ErrlEntry::commit HWAS_DBG("module load: calling errlog::setHwasProcessCalloutFn"); ERRORLOG::ErrlManager::setHwasProcessCalloutFn( (processCalloutFn)(&processCallout)); } }; // this causes the function to get run at module load. RegisterHWASFunctions registerHWASFunctions; using namespace TARGETING; //****************************************************************************** // platReadIDEC function //****************************************************************************** errlHndl_t platReadIDEC(const TargetHandle_t &i_target) { // we got a target - read the ID/EC // and update the appropriate ATTR_ field. uint64_t id_ec; size_t op_size = sizeof(id_ec); errlHndl_t errl = NULL; // At the time when we read IDEC, the tp chiplet of Centaur & slave // processors are not yet enabled; therefore, we can not read IDEC // using SCOM path. We must use FSI path to read the IDEC values. // For master proc, use scom // For everything else, use FSI(0x1028) Target* l_pMasterProcChip = NULL; targetService().masterProcChipTargetHandle(l_pMasterProcChip); if (i_target == l_pMasterProcChip) { errl = DeviceFW::deviceRead(i_target, &id_ec, op_size, DEVICE_SCOM_ADDRESS(0x000F000Full)); } else { // FSI only reads 4 bytes for id_ec op_size = sizeof(uint32_t); errl = DeviceFW::deviceRead(i_target, &id_ec, op_size, DEVICE_FSI_ADDRESS(0x01028)); } //Look for a totally dead chip if( (errl == NULL) && ((id_ec & 0xFFFFFFFF00000000) == 0xFFFFFFFF00000000) ) { HWAS_ERR("All FFs for chipid read on %.8X",TARGETING::get_huid(i_target)); /*@ * @errortype * @moduleid HWAS::MOD_PLAT_READIDEC * @reasoncode HWAS::RC_BAD_CHIPID * @userdata1 Target HUID * @userdata2 * @devdesc platReadIDEC> Invalid chipid from hardware (all FFs) */ errl = new ERRORLOG::ErrlEntry( ERRORLOG::ERRL_SEV_UNRECOVERABLE, HWAS::MOD_PLAT_READIDEC, HWAS::RC_BAD_CHIPID, TARGETING::get_huid(i_target), 0); // if things are this broken then chances are there are bigger // problems, we can just make some guesses on what to call out // make code the highest since there are other issues errl->addProcedureCallout(HWAS::EPUB_PRC_HB_CODE, HWAS::SRCI_PRIORITY_HIGH); // callout this chip as Medium and deconfigure it errl->addHwCallout( i_target, HWAS::SRCI_PRIORITY_LOW, HWAS::DECONFIG, HWAS::GARD_NULL ); // Grab all the FFDC we can think of FSI::getFsiFFDC( FSI::FFDC_OPB_FAIL_SLAVE, errl, i_target ); FSI::getFsiFFDC( FSI::FFDC_READWRITE_FAIL, errl, i_target ); FSI::getFsiFFDC( FSI::FFDC_PIB_FAIL, errl, i_target ); } if (errl == NULL) { // no error, so we got a valid ID/EC value back // EC - nibbles 0,2 // 01234567 uint8_t ec = (((id_ec & 0xF000000000000000ull) >> 56) | ((id_ec & 0x00F0000000000000ull) >> 52)); i_target->setAttr(ec); // until we read ECID, HDAT_EC==EC i_target->setAttr(ec); // ID - nibbles 1,5,3,4 // 01234567 uint32_t id = (((id_ec & 0x0F00000000000000ull) >> 44) | ((id_ec & 0x00000F0000000000ull) >> 32) | ((id_ec & 0x000F000000000000ull) >> 44) | ((id_ec & 0x0000F00000000000ull) >> 44)); i_target->setAttr(id); HWAS_DBG( "i_target %.8X - id %x ec %x", i_target->getAttr(), id, ec); } else { // errl was set - this is an error condition. HWAS_ERR( "i_target %.8X - failed ID/EC read", i_target->getAttr()); } return errl; } // platReadIDEC //****************************************************************************** // platSystemIsAtRuntime function // Description: This function will return false always because when Hostboot // is running then System cannot be at runtime //****************************************************************************** bool platSystemIsAtRuntime() { HWAS_INF("HostBoot is running so system is not at runtime."); return false; } //****************************************************************************** // platIsMinHwCheckingAllowed function // Description: This function will return false always because when Hostboot // is running then System cannot be at runtime //****************************************************************************** errlHndl_t platIsMinHwCheckingAllowed(bool &o_minHwCheckingAllowed) { errlHndl_t errl = NULL; // for hostboot, minimum hardware checkign is always allowed o_minHwCheckingAllowed = true; return errl; } //****************************************************************************** // platReadPartialGood function //****************************************************************************** errlHndl_t platReadPartialGood(const TargetHandle_t &i_target, void *o_pgData) { HWAS_DBG( "i_target %.8X", i_target->getAttr()); // call deviceRead() to find the PartialGood record uint8_t pgRaw[VPD_CP00_PG_HDR_LENGTH + VPD_CP00_PG_DATA_LENGTH]; size_t pgSize = sizeof(pgRaw); errlHndl_t errl = deviceRead(i_target, pgRaw, pgSize, DEVICE_MVPD_ADDRESS(MVPD::CP00, MVPD::PG)); if (unlikely(errl != NULL)) { // errl was set - this is an error condition. HWAS_ERR( "i_target %.8X - failed partialGood read", i_target->getAttr()); } else { #if 0 // Unit test. set P8_MURANO.config to have 4 procs, and this code will // alter the VPD so that some of the procs and chiplets should get marked // as NOT functional. { // skip past the header uint16_t *pgData = reinterpret_cast (&pgRaw[VPD_CP00_PG_HDR_LENGTH]); if (i_target->getAttr() == 0x50000) { // 1st proc pgData[VPD_CP00_PG_EX0_INDEX+4] = 0xF300; pgData[VPD_CP00_PG_EX0_INDEX+5] = 0xF300; pgData[VPD_CP00_PG_EX0_INDEX+6] = 0x9300; // off pgData[VPD_CP00_PG_EX0_INDEX+12] = 0x9300; // off pgData[VPD_CP00_PG_EX0_INDEX+13] = 0x9300; // off pgData[VPD_CP00_PG_EX0_INDEX+14] = 0x9300; // off } else if (i_target->getAttr() == 0x50001) { // 2nd proc pgData[VPD_CP00_PG_EX0_INDEX+4] = 0xF300; pgData[VPD_CP00_PG_EX0_INDEX+5] = 0xF300; pgData[VPD_CP00_PG_EX0_INDEX+6] = 0xF300; pgData[VPD_CP00_PG_EX0_INDEX+12] = 0xF300; pgData[VPD_CP00_PG_EX0_INDEX+13] = 0xF300; pgData[VPD_CP00_PG_EX0_INDEX+14] = 0xF300; } else if (i_target->getAttr() == 0x50002) { // 3rd proc //// mark Pervasive bad - entire chip //// should be marked present and NOT functional ////pgData[VPD_CP00_PG_PERVASIVE_INDEX] = 0; pgData[VPD_CP00_PG_EX0_INDEX+4] = 0xF300; pgData[VPD_CP00_PG_EX0_INDEX+5] = 0xF300; pgData[VPD_CP00_PG_EX0_INDEX+6] = 0x9300; // off pgData[VPD_CP00_PG_EX0_INDEX+12] = 0x9300; // off pgData[VPD_CP00_PG_EX0_INDEX+13] = 0xF300; pgData[VPD_CP00_PG_EX0_INDEX+14] = 0xF300; } else if (i_target->getAttr() == 0x50003) { // 4th proc - EX13 and EX14 are good pgData[VPD_CP00_PG_EX0_INDEX+4] = 0xF300; pgData[VPD_CP00_PG_EX0_INDEX+5] = 0xF300; pgData[VPD_CP00_PG_EX0_INDEX+6] = 0x9300; // off pgData[VPD_CP00_PG_EX0_INDEX+12] = 0x9300; // off pgData[VPD_CP00_PG_EX0_INDEX+13] = 0x9300; // off pgData[VPD_CP00_PG_EX0_INDEX+14] = 0x9300; // off } } #endif // skip past the header void *pgData = static_cast(&pgRaw[VPD_CP00_PG_HDR_LENGTH]); HWAS_DBG_BIN("PG record", pgData, VPD_CP00_PG_DATA_LENGTH); // copy the data back into the caller's buffer memcpy(o_pgData, pgData, VPD_CP00_PG_DATA_LENGTH); } return errl; } // platReadPartialGood //****************************************************************************** // platReadPR function //****************************************************************************** errlHndl_t platReadPR(const TargetHandle_t &i_target, void *o_prData) { HWAS_ERR( "platReadPR is deprecated!!!" ); return NULL; } // platReadPR //****************************************************************************** // platReadLx function //****************************************************************************** errlHndl_t platReadLx(const TargetHandle_t &i_mca, void *o_lxData) { errlHndl_t errl = nullptr; uint8_t l_chip_unit; uint8_t l_x; const TARGETING::Target* l_proc; if (!(i_mca->tryGetAttr(l_chip_unit))) { HWAS_ERR("Bad MCA target"); /*@ * @errortype ERRORLOG::ERRL_SEV_UNRECOVERABLE * @moduleid HWAS::MOD_PLAT_READLX * @reasoncode HWAS::RC_BAD_MCA * @userdata1 0 * @userdata2 0 * @devdesc platReadLx> Bad MCA target */ errl = new ERRORLOG::ErrlEntry(ERRORLOG::ERRL_SEV_UNRECOVERABLE, HWAS::MOD_PLAT_READLX, HWAS::RC_BAD_MCA, 0, 0); // make code the highest callout errl->addProcedureCallout(HWAS::EPUB_PRC_HB_CODE, HWAS::SRCI_PRIORITY_HIGH); } else { l_x = VPD_CRP0_LX_MIN_X + l_chip_unit; HWAS_DBG( "i_mca %.8X, Lx = L%1d", i_mca->getAttr(), l_x); //Check for an invalid x value if( l_x > VPD_CRP0_LX_MAX_X) { HWAS_ERR("Invalid Lx with x=%1d for MCA %.8X", l_x, i_mca->getAttr()); /*@ * @errortype ERRORLOG::ERRL_SEV_UNRECOVERABLE * @moduleid HWAS::MOD_PLAT_READLX * @reasoncode HWAS::RC_BAD_LX * @userdata1 Target MCA HUID * @userdata2 Value of x for Lx keyword * @devdesc platReadLx> Invalid Lx keyword */ errl = new ERRORLOG::ErrlEntry(ERRORLOG::ERRL_SEV_UNRECOVERABLE, HWAS::MOD_PLAT_READLX, HWAS::RC_BAD_LX, TARGETING::get_huid(i_mca), l_x); // make code the highest callout errl->addProcedureCallout(HWAS::EPUB_PRC_HB_CODE, HWAS::SRCI_PRIORITY_HIGH); } else { l_proc = getParentChip( i_mca ); HWAS_DBG( "i_mca %.8X, Lx = L%1d, l_proc %.8X", i_mca->getAttr(), l_x, l_proc->getAttr()); } } if (errl == nullptr) { // no error, so we got a valid chip unit value back // call deviceRead() to find the Lx record size_t l_lxLength = VPD_CRP0_LX_HDR_DATA_LENGTH; errl = deviceRead((TARGETING::Target*)l_proc, o_lxData, l_lxLength, DEVICE_MVPD_ADDRESS(MVPD::CRP0, MVPD::L1 + l_chip_unit)); if (errl != nullptr) { // trace the error condition HWAS_INF( "l_proc %.8X, i_mca %.8X - failed L%1d read", l_proc->getAttr(), i_mca->getAttr(), l_x); } } return errl; } // platReadLx //****************************************************************************** // platGetFCO function //****************************************************************************** errlHndl_t platGetFCO(const TargetHandle_t &i_node, uint32_t &o_fco) { errlHndl_t errl = NULL; o_fco = i_node->getAttr(); HWAS_DBG("FCO returned: %d", o_fco); return errl; } // platGetFCO //****************************************************************************** // platPresenceDetect function //****************************************************************************** errlHndl_t platPresenceDetect(TargetHandleList &io_targets) { errlHndl_t errl = NULL; #ifdef CONFIG_PNOR_TWO_SIDE_SUPPORT // If we're booting from the golden side of PNOR we need // to wipe out our VPD caches to force a re-read of // the data from hardware PNOR::SideInfo_t l_pnorInfo; errl = PNOR::getSideInfo( PNOR::WORKING, l_pnorInfo ); if( errl ) { // commit the error but keep going errlCommit(errl, HWAS_COMP_ID); // force the caches to get wiped out just in case l_pnorInfo.isGolden = true; } if( l_pnorInfo.isGolden ) { #ifdef CONFIG_DJVPD_WRITE_TO_PNOR errl = PNOR::clearSection( PNOR::DIMM_JEDEC_VPD ); if( errl ) { // commit the error but keep going errlCommit(errl, HWAS_COMP_ID); } #endif #ifdef CONFIG_MVPD_WRITE_TO_PNOR errl = PNOR::clearSection( PNOR::MODULE_VPD ); if( errl ) { // commit the error but keep going errlCommit(errl, HWAS_COMP_ID); } #endif #if defined(CONFIG_MEMVPD_WRITE_TO_PNOR) || \ defined(CONFIG_PVPD_WRITE_TO_PNOR) errl = PNOR::clearSection( PNOR::CENTAUR_VPD ); if( errl ) { // commit the error but keep going errlCommit(errl, HWAS_COMP_ID); } #endif } #endif // we got a list of targets - determine if they are present // if not, delete them from the list for (TargetHandleList::iterator pTarget_it = io_targets.begin(); pTarget_it != io_targets.end(); ) // increment will be done in the loop below { TargetHandle_t pTarget = *pTarget_it; // if CLASS_ENC // by definition, hostboot only has 1 node/enclosure, and we're // here, so it is functional if (pTarget->getAttr() == CLASS_ENC) { HWAS_DBG("pTarget %.8X - detected present", pTarget->getAttr()); // If there is planar VPD, then don't skip the presence detect. // The presence detect will log any problems and load pnor. #if !defined(CONFIG_HAVE_PVPD) // on to the next target if there is no Planar VPD pTarget_it++; continue; #endif } // if CLASS_SP // Hostboot is told everything it needs to know about the // SP at compile time so just mark the target as present // by default if (pTarget->getAttr() == TYPE_SP) { HWAS_DBG("pTarget %.8X - detected present", pTarget->getAttr()); pTarget_it++; continue; } // call deviceRead() to see if they are present bool present = false; size_t presentSize = sizeof(present); errl = deviceRead(pTarget, &present, presentSize, DEVICE_PRESENT_ADDRESS()); if (unlikely(errl != NULL)) { // errl was set - this is an error condition. HWAS_ERR( "pTarget %.8X - failed presence detect", pTarget->getAttr()); // commit the error but keep going errlCommit(errl, HWAS_COMP_ID); // errl is now NULL // target is not present - fall thru present = false; } // if TYPE_MCS // Need to handle "special" -- DVPD cache relies on this // being called for pnor cache management, however this causes // spurious MCS's to be marked present/functional when they are // trully tied to processor PG. So remove from list since // the DVPD present detect hook has been called // TODO RTC 169572 -- Fix correctly by reworking DVPD if (pTarget->getAttr() == TYPE_MCS) { // erase this target, and 'increment' to next pTarget_it = io_targets.erase(pTarget_it); continue; } if (present == true) { HWAS_DBG( "pTarget %.8X - detected present", pTarget->getAttr()); // advance to next entry in the list pTarget_it++; } else { // chip not present -- remove from list HWAS_DBG( "pTarget %.8X - no presence", pTarget->getAttr()); // erase this target, and 'increment' to next pTarget_it = io_targets.erase(pTarget_it); } } // for pTarget_it return errl; } // platPresenceDetect //****************************************************************************** // hwasPLDDetection function //****************************************************************************** bool hwasPLDDetection() { bool rc = false; // TODO: RTC: 76459 HWAS_DBG("hwasPLDDetection"); Target *l_pTopLevel = NULL; targetService().getTopLevelTarget( l_pTopLevel ); // check if SP doesn't support this, if (l_pTopLevel->getAttr().powerLineDisturbance) { // SP supports this - return false as this will get handled later. rc = false; } else { // TBD - detect power fault rc = false; } return rc; } // hwasPLDDetection //****************************************************************************** // markTargetChanged function //****************************************************************************** #ifdef CONFIG_HOST_HCDB_SUPPORT void markTargetChanged(TARGETING::TargetHandle_t i_target) { TargetHandleList l_pChildList; HWAS_INF("Marking target and all children as changed for parent HUID %.8X", TARGETING::get_huid(i_target) ); //Call update mask on the target update_hwas_changed_mask(i_target); //Get all children under this target, and set them into the list targetService().getAssociated(l_pChildList, i_target, TargetService::CHILD, TargetService::ALL); //Iterate through the child list that was populated, and update mask for (TargetHandleList::iterator l_pChild_it = l_pChildList.begin(); l_pChild_it != l_pChildList.end(); ++l_pChild_it) { TargetHandle_t l_pChild = *l_pChild_it; update_hwas_changed_mask(l_pChild); } } // markTargetChanged #endif //****************************************************************************** // platCheckMinimumHardware() //****************************************************************************** void platCheckMinimumHardware(uint32_t & io_plid, const TARGETING::ConstTargetHandle_t i_node, bool *o_bootable) { //errlHndl_t l_errl = NULL; // nothing to do yet... // if you add something here, don't forget to // add a procedure callout //l_errl->addProcedureCallout( EPUB_PRC_FIND_DECONFIGURED_PART, // SRCI_PRIORITY_HIGH); // and update the common plid //if (io_plid != 0) //{ // l_errl->plid(io_plid) ; //} //else //{ // io_plid = l_errl->plid(); //} } } // namespace HWAS