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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/pnor/sfcdd.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2014 */
/* [+] 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 */
/*****************************************************************************/
// I n c l u d e s
/*****************************************************************************/
#include <sys/mmio.h>
#include <sys/task.h>
#include <sys/sync.h>
#include <string.h>
#include <devicefw/driverif.H>
#include <trace/interface.H>
#include <errl/errlentry.H>
#include <errl/errlmanager.H>
#include <errl/errludlogregister.H>
#include <targeting/common/targetservice.H>
#include <pnor/pnor_reasoncodes.H>
#include <sys/time.h>
#include <lpc/lpcif.H>
#include "sfcdd.H"
#include "norflash.H"
/*****************************************************************************/
// C o n s t a n t s
/*****************************************************************************/
/*****************************************************************************/
// G l o b a l s
/*****************************************************************************/
// Initialized in pnorrp.C
extern trace_desc_t* g_trac_pnor;
/*****************************************************************************/
// M e t h o d s
/*****************************************************************************/
/**
* @brief Constructor
*/
SfcDD::SfcDD( errlHndl_t& o_err,
TARGETING::Target* i_proc )
: iv_proc(i_proc)
, iv_flashWorkarounds(PNOR::HWWK_NO_WORKAROUNDS)
, iv_norChipId(PNOR::UNKNOWN_NOR_ID)
, iv_eraseSizeBytes(4*KILOBYTE) //default to 4KB blocks
{
o_err = NULL;
}
/**
* @brief Destructor
*/
SfcDD::~SfcDD()
{
// Nothing to do by default
}
/**
* @brief Read the NOR FLash ChipID
*/
errlHndl_t SfcDD::getNORChipId(uint32_t& o_chipId)
{
errlHndl_t l_err = NULL;
if( iv_norChipId == PNOR::UNKNOWN_NOR_ID )
{
o_chipId = 0;
l_err = sendSpiCmd( PNOR::SPI_JEDEC_CHIPID,
SfcDD::NO_ADDRESS,
0, NULL,
4, reinterpret_cast<uint8_t*>(&o_chipId) );
if( !l_err )
{
// Only look at first 3 bytes of chipid
iv_norChipId = o_chipId & PNOR::ID_MASK;
}
}
o_chipId = iv_norChipId;
TRACFCOMP( g_trac_pnor, "SfcDD::getNORChipId> chipid=%.8X", o_chipId );
return l_err;
}
/**
* @brief Informs caller if PNORDD is using
* L3 Cache for fake PNOR or not.
*/
bool SfcDD::usingL3Cache( void )
{
// by default we are not using the L3
return false;
}
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