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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/diag/prdf/common/framework/config/xspprdAccessPllChip.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* COPYRIGHT International Business Machines Corp. 2000,2014 */
/* */
/* 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 */
// Module Description **************************************************
//
// Description:
//
// End Module Description **********************************************
//----------------------------------------------------------------------
// Includes
//----------------------------------------------------------------------
#define xspprdAccessPllChip_C
#include <xspprdAccessPllChip.h>
#if !defined(IIPSCR_H)
#include <iipscr.h>
#endif
#if !defined(PRDFSCANFACILITY_H)
#include <prdfScanFacility.H>
#endif
#include <iipServiceDataCollector.h>
#undef xspprdAccessPllChip_C
//----------------------------------------------------------------------
// User Types
//----------------------------------------------------------------------
namespace PRDF
{
//----------------------------------------------------------------------
// Constants
//----------------------------------------------------------------------
const uint32_t PLL_LOCK = 0x00800003; // Pll status address
const uint32_t PLL_MASK = 0x0080000C; // Pll Mask/Block reg address
const uint32_t PLL_ID = 0xeed;
// Pll status bit definitions
const uint32_t PLL0 = 8;
const uint32_t PLL1 = 9;
const uint32_t PLL2 = 10;
const uint32_t PLL3 = 11;
const uint32_t PLLBLK0 = 8;
const uint32_t PLLBLK1 = 9;
const uint32_t PLLBLK2 = 10;
const uint32_t PLLBLK3 = 11;
//----------------------------------------------------------------------
// Macros
//----------------------------------------------------------------------
//----------------------------------------------------------------------
// Internal Function Prototypes
//----------------------------------------------------------------------
//----------------------------------------------------------------------
// Global Variables
//----------------------------------------------------------------------
//---------------------------------------------------------------------
// Member Function Specifications
//---------------------------------------------------------------------
// --------------------------------------------------------------------
bool AccessPllChip::QueryPll(void)
{
bool hasPll = false;
SCAN_COMM_REGISTER_CLASS & pll_lock_reg =
ScanFacility::Access().GetScanCommRegister(GetChipHandle(),PLL_LOCK,64);
SCAN_COMM_REGISTER_CLASS & pll_mask_reg =
ScanFacility::Access().GetScanCommRegister(GetChipHandle(),PLL_MASK,64);
// Read pll_lock register
int32_t rc = pll_lock_reg.Read();
pll_mask_reg.Read();
if (rc == SUCCESS) {
const BIT_STRING_CLASS * lock = pll_lock_reg.GetBitString();
const BIT_STRING_CLASS * mask = pll_mask_reg.GetBitString();
if ( (lock != NULL) && (mask != NULL) ) {
CPU_WORD senseBits = lock->GetField(PLL0, 4);
CPU_WORD blockBits = mask->GetField(PLLBLK0, 4);
if (senseBits & (~blockBits)) hasPll = true;
}
}
return hasPll;
}
// --------------------------------------------------------------------
int32_t AccessPllChip::ClearPll(void)
{
int32_t rc = SUCCESS;
SCAN_COMM_REGISTER_CLASS & pll_lock_reg =
ScanFacility::Access().GetScanCommRegister(GetChipHandle(),PLL_LOCK,64);
// SCAN_COMM_REGISTER_CLASS & pll_mask_reg =
// ScanFacility::Access().GetScanCommRegister(GetId(),PLL_MASK,64);
pll_lock_reg.Read();
// Need to also clear out status bits
pll_lock_reg.ClearBit(PLL0);
pll_lock_reg.ClearBit(PLL1);
pll_lock_reg.ClearBit(PLL2);
pll_lock_reg.ClearBit(PLL3);
rc = pll_lock_reg.Write();
return rc;
}
// --------------------------------------------------------------------
int32_t AccessPllChip::MaskPll(STEP_CODE_DATA_STRUCT & serviceData)
{
int32_t rc = SUCCESS;
// SCAN_COMM_REGISTER_CLASS & pll_lock_reg =
// ScanFacility::Access().GetScanCommRegister(GetId(),PLL_LOCK,64);
SCAN_COMM_REGISTER_CLASS & pll_mask_reg =
ScanFacility::Access().GetScanCommRegister(GetChipHandle(),PLL_MASK,64);
//Read pll status reg mask to get current state
pll_mask_reg.Read();
// Set mask bits for pll
pll_mask_reg.SetBit(PLLBLK0);
pll_mask_reg.SetBit(PLLBLK1);
pll_mask_reg.SetBit(PLLBLK2);
pll_mask_reg.SetBit(PLLBLK3);
// Write back to hardware
rc = pll_mask_reg.Write();
return rc;
}
// --------------------------------------------------------------------
int32_t AccessPllChip::UnMaskPll(void)
{
int32_t rc = SUCCESS;
// SCAN_COMM_REGISTER_CLASS & pll_lock_reg =
// ScanFacility::Access().GetScanCommRegister(GetId(),PLL_LOCK,64);
SCAN_COMM_REGISTER_CLASS & pll_mask_reg =
ScanFacility::Access().GetScanCommRegister(GetChipHandle(),PLL_MASK,64);
//Read pll status reg mask to get current state
pll_mask_reg.Read();
// Set mask bits for pll
pll_mask_reg.ClearBit(PLLBLK0);
pll_mask_reg.ClearBit(PLLBLK1);
pll_mask_reg.ClearBit(PLLBLK2);
pll_mask_reg.ClearBit(PLLBLK3);
// Write back to hardware
rc = pll_mask_reg.Write();
return rc;
}
// --------------------------------------------------------------------
void AccessPllChip::CapturePll(STEP_CODE_DATA_STRUCT & serviceData)
{
SCAN_COMM_REGISTER_CLASS & pll_lock_reg =
ScanFacility::Access().GetScanCommRegister(GetChipHandle(),PLL_LOCK,64);
(serviceData.service_data->GetCaptureData()).Add(GetChipHandle(), PLL_ID ,pll_lock_reg);
}
} // end namespace PRDF
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