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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/vpd/rtvpd_load.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2013,2019 */
/* [+] 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 */
#include <errl/errlentry.H>
#include <targeting/common/target.H>
#include <targeting/common/targetservice.H>
#include <targeting/common/utilFilter.H>
#include <sys/mm.h>
#include <vmmconst.h>
#include <pnor/pnorif.H>
#include <vpd/vpdreasoncodes.H>
#include <vpd/vpd_if.H>
#include <errl/errlmanager.H>
// ----------------------------------------------
// Trace definitions
// ----------------------------------------------
extern trace_desc_t* g_trac_vpd;
/**
* Copy a VPD image from PNOR into MEMORY
* @param[in] vpd type (pnor section id)
* @param[in] destination memory location
* @param[in] Max size of image.
* @return error handle if error
*/
errlHndl_t bld_vpd_image(PNOR::SectionId vpd_type,
void * i_dest,
uint64_t i_size)
{
errlHndl_t err = NULL;
PNOR::SectionInfo_t info;
err = PNOR::getSectionInfo( vpd_type,
info );
if(!err)
{
if(info.size <= i_size)
{
memcpy(i_dest,
reinterpret_cast<void *>(info.vaddr),
info.size);
}
else
{
TRACFCOMP( g_trac_vpd, ERR_MRK
"bld_vpd_image: Reserved size in memory insufficient "
"for VPD type %d. Size provided: %d Size needed: %d",
(uint32_t)vpd_type,
i_size,
info.size );
/*@
* @errortype
* @reasoncode VPD::VPD_INSUFFICIENT_SPACE_FOR_IMAGE
* @severity ERRORLOG::ERRL_SEV_UNRECOVERABLE
* @moduleid VPD::VPD_BLD_RT_IMAGE
* @userdata1 Size provided
* @userdata2 vpd_type | Size required
* @devdesc Reserved size in memory insufficient
* for runtime VPD
*/
err = new ERRORLOG::ErrlEntry
(ERRORLOG::ERRL_SEV_UNRECOVERABLE,
VPD::VPD_BLD_RT_IMAGE,
VPD::VPD_INSUFFICIENT_SPACE_FOR_IMAGE,
i_size,
(((uint64_t)vpd_type) << 32) + info.size,
true /*Add HB Software Callout*/);
err->collectTrace( "VPD", 256);
}
}
return err;
}
// External function see vpd_if.H
errlHndl_t VPD::vpd_load_rt_image(uint64_t & i_vpd_addr)
{
errlHndl_t err = NULL;
do
{
#ifndef CONFIG_SUPPORT_EEPROM_CACHING
void* vptr = reinterpret_cast<void*>(i_vpd_addr);
uint8_t* vpd_ptr = reinterpret_cast<uint8_t*>(vptr);
err = bld_vpd_image(PNOR::DIMM_JEDEC_VPD,
vpd_ptr,
VMM_DIMM_JEDEC_VPD_SIZE);
if(err)
{
break;
}
vpd_ptr += VMM_DIMM_JEDEC_VPD_SIZE;
err = bld_vpd_image(PNOR::MODULE_VPD,
vpd_ptr,
VMM_MODULE_VPD_SIZE);
if(err)
{
break;
}
vpd_ptr += VMM_MODULE_VPD_SIZE;
err = bld_vpd_image(PNOR::CENTAUR_VPD,
vpd_ptr,
VMM_CENTAUR_VPD_SIZE);
if(err)
{
break;
}
#else
// In Axone we store all contents of EEPROMs in EECACHE
// so copy the EECACHE pnor section to the space in reserved
// memory allocated for VPD.
void* vptr = reinterpret_cast<void*>(i_vpd_addr);
uint8_t* vpd_ptr = reinterpret_cast<uint8_t*>(vptr);
err = bld_vpd_image(PNOR::EECACHE,
vpd_ptr,
VMM_RT_VPD_SIZE);
if(err)
{
break;
}
#endif
} while( 0 );
return err;
}
// External function see vpd_if.H
errlHndl_t VPD::goldenSwitchUpdate(void)
{
errlHndl_t err = NULL;
do
{
#ifdef CONFIG_PNOR_TWO_SIDE_SUPPORT
// Do not write to the PNOR at runtime after booting from the
// golden side of pnor
PNOR::SideInfo_t l_pnorInfo;
err = PNOR::getSideInfo( PNOR::WORKING, l_pnorInfo );
if( err )
{
break;
}
else if( l_pnorInfo.isGolden )
{
TARGETING::ATTR_VPD_SWITCHES_type l_switch;
// Find all the targets with VPD switches
for (TARGETING::TargetIterator target =
TARGETING::targetService().begin();
target != TARGETING::targetService().end();
++target)
{
if(target->tryGetAttr<TARGETING::ATTR_VPD_SWITCHES>(l_switch))
{
l_switch.disableWriteToPnorRT = 1;
target->setAttr<TARGETING::ATTR_VPD_SWITCHES>( l_switch );
}
}
}
#endif
} while( 0 );
return err;
}
// External function see vpd_if.H
errlHndl_t VPD::goldenCacheInvalidate(void)
{
errlHndl_t err = NULL;
do
{
bool l_invalidateCaches = false;
// In manufacturing mode the VPD PNOR cache needs to be cleared
// And the VPD ATTR switch and flags need to be reset
// Note: this code should do nothing when not in PNOR caching mode
TARGETING::Target* l_pTopLevel = NULL;
TARGETING::targetService().getTopLevelTarget(l_pTopLevel);
TARGETING::ATTR_MNFG_FLAGS_type l_mnfgFlags =
l_pTopLevel->getAttr<TARGETING::ATTR_MNFG_FLAGS>();
// @todo RTC 118752 Use generic mfg-mode attr when available
if (l_mnfgFlags & TARGETING::MNFG_FLAG_SRC_TERM)
{
l_invalidateCaches = true;
}
#ifdef CONFIG_PNOR_TWO_SIDE_SUPPORT
// We also need to wipe the cache out after booting from the
// golden side of pnor
if( !l_invalidateCaches )
{
PNOR::SideInfo_t l_pnorInfo;
err = PNOR::getSideInfo( PNOR::WORKING, l_pnorInfo );
if( err )
{
// commit the error but keep going
errlCommit(err, VPD_COMP_ID);
// force the caches to get wiped out just in case
l_invalidateCaches = true;
}
else if( l_pnorInfo.isGolden )
{
l_invalidateCaches = true;
}
}
#endif
if( l_invalidateCaches )
{
// Invalidate the VPD Caches for all targets
err = invalidateAllPnorCaches(true);
if (err)
{
break;
}
}
} while( 0 );
return err;
}
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