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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/pnor/pnorsbe.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2014,2015 */
/* [+] 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 pnorsbe.C
*
* @brief Implements PNOR::getSbeBootSeeprom(), which Determines which
* Seeprom was used to boot the SB
*/
#include <pnor/pnorif.H>
#include <trace/interface.H>
#include <errl/errlmanager.H>
#include <errl/errlentry.H>
#include <devicefw/userif.H>
extern trace_desc_t* g_trac_pnor;
namespace PNOR
{
//Used to read SBE Boot Side from processor
const uint64_t SBE_VITAL_REG_0x0005001C = 0x005001C;
const uint64_t SBE_BOOT_SELECT_MASK = 0x0080000000000000;
errlHndl_t getSbeBootSeeprom(TARGETING::Target* i_target,
sbeSeepromSide_t& o_bootSide)
{
TRACFCOMP( g_trac_pnor, ENTER_MRK"PNOR::getSbeBootSeeprom()" );
errlHndl_t err = NULL;
uint64_t scomData = 0x0;
o_bootSide = SBE_SEEPROM0;
do{
size_t op_size = sizeof(scomData);
err = deviceRead( i_target,
&scomData,
op_size,
DEVICE_SCOM_ADDRESS(SBE_VITAL_REG_0x0005001C) );
if( err )
{
TRACFCOMP( g_trac_pnor, ERR_MRK"PNOR::getSbeBootSeeprom() -Error "
"reading SBE VITAL REG (0x%.8X) from Target :"
"HUID=0x%.8X",
SBE_VITAL_REG_0x0005001C,
TARGETING::get_huid(i_target));
break;
}
if(scomData & SBE_BOOT_SELECT_MASK)
{
o_bootSide = SBE_SEEPROM1;
}
}while(0);
TRACFCOMP( g_trac_pnor,
EXIT_MRK"PNOR::getSbeBootSeeprom(): o_bootSide=0x%X (reg=0x%X)",
o_bootSide, scomData );
return err;
}
} // end namespace
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