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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/chips/p9/procedures/hwp/cache/p9_l2err_linedelete.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2016,2017 */
/* [+] 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 p9_l2err_linedelete.C
///
/// @brief Delete the L2 error cache line according to the error extraction
/// information.
/// See more detailed description in header file.
///
/// *HWP HWP Owner : Chen Qian <qianqc@cn.ibm.com>
/// *HWP FW Owner : Thi Tran <thi@us.ibm.com>
/// *HWP Team : Quad
/// *HWP Consumed by : PRDF
/// *HWP Level : 3
///----------------------------------------------------------------------------
//------------------------------------------------------------------------------
// Includes
//------------------------------------------------------------------------------
#include <p9_l2err_linedelete.H>
#include <p9_l2_flush.H>
#include <p9_quad_scom_addresses.H>
#include <p9_quad_scom_addresses_fld.H>
//------------------------------------------------------------------------------
// Function definitions
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
// HWP entry point
//------------------------------------------------------------------------------
// See doxygen in header file
fapi2::ReturnCode p9_l2err_linedelete(
const fapi2::Target<fapi2::TARGET_TYPE_EX>& i_target,
const p9_l2err_extract_err_data& i_err_data,
const uint64_t i_busyCount)
{
fapi2::ReturnCode l_rc;
fapi2::buffer<uint64_t> l_cmdReg;
p9core::purgeData_t l_purgeData;
// mark function entry
FAPI_DBG("Entering p9_l2err_linedelete. BusyCount %d", i_busyCount);
// +---------------------------+
// | L2 Line Delete Scom |
// +---------------------------+
// |Bit(s)| Data |
// +------+--------------------+
// | 0 | Trigger |
// +------+--------------------+
// | 1:4 | Purge type (LD=0x2)|
// +------+--------------------+
// | 5:16 | Don't care |
// +------+--------------------+
// |17:19 | Member |
// +------+--------------------+
// |20:27 | CGC addr 48:55 |
// +------+--------------------+
// | 28 | Bank |
// +------+--------------------+
// |29:30 | Don't care |
// +------+--------------------+
// Write member, address and bank into PRD Purge Engine Command Register
// SCOM Addr: 0x000000001001080E
// bit 0 is the trigger, the act of writing this bit to 1 sets off the line delete
// bits 1:4 is ttype 0b0010 = line delete
// bits 17:19 is the member
// bits 20:27 is the cgc address
// bit 28 is the bank
// Ensure that purge engine is idle before starting line delete
FAPI_TRY(purgeCompleteCheck(i_target, i_busyCount, l_cmdReg),
"Error returned from purgeCompleteCheck call");
// Set PRD Purge Engine Command register values for line delete
l_purgeData.iv_cmdType = 0b0010; // L2 Dir Line_Delete
l_purgeData.iv_cmdMem = i_err_data.member;
l_purgeData.iv_cmdBank = i_err_data.bank;
l_purgeData.iv_cmdCGC = i_err_data.address;
FAPI_TRY(setupAndTriggerPrdPurge(i_target, l_purgeData, l_cmdReg),
"Error returned from setupAndTriggerPrdPurge");
// Verify purge/line delete complete
FAPI_TRY(purgeCompleteCheck(i_target, i_busyCount, l_cmdReg),
"Error returned from purgeCompleteCheck call");
fapi_try_exit:
FAPI_INF("Exiting p9_l2err_linedelete...");
return fapi2::current_err;
} // p9_l2err_extract
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