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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/hwpf/hwp/core_activate/proc_post_winkle/proc_post_winkle.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* COPYRIGHT International Business Machines Corp. 2013,2014 */
/* */
/* 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 */
// $Id: proc_post_winkle.C,v 1.2 2013/07/18 00:45:00 stillgs Exp $
// $Source: /afs/awd/projects/eclipz/KnowledgeBase/.cvsroot/eclipz/chips/p8/working/procedures/ipl/fapi/proc_post_winkle.C,v $
//------------------------------------------------------------------------------
// *! (C) Copyright International Business Machines Corp. 2011
// *! All Rights Reserved -- Property of IBM
// *! *** IBM Confidential ***
//------------------------------------------------------------------------------
// *! OWNER NAME : Greg Still Email: stillgs@us.ibm.com
// *! BACKUP NAME : Michael Olsen Email: cmolsen@us.ibm.com
/// \file proc_post_winkle.C
/// \brief Re-enables the standard product idle mode configuration after
/// an IPL Winkle action
///
/// \verbatim
///
/// For the passed EX target,
/// - Remove disable of DISABLE_FORCE_DEEP_TO_FAST_WINKLE that was
/// set on the master core. Removing on the non_master cores
/// is not harmful
///
/// Procedure Prereq:
/// - System clocks are running
/// \endverbatim
///
//------------------------------------------------------------------------------
// ----------------------------------------------------------------------
// Includes
// ----------------------------------------------------------------------
#include "proc_post_winkle.H"
extern "C" {
using namespace fapi;
// ----------------------------------------------------------------------
// Constant definitions
// ----------------------------------------------------------------------
// ----------------------------------------------------------------------
// Global variables
// ----------------------------------------------------------------------
// ----------------------------------------------------------------------
// Function prototypes
// ----------------------------------------------------------------------
// ----------------------------------------------------------------------
// Function definitions
// ----------------------------------------------------------------------
/**
* proc_post_winkle
*
* @param[in] i_target EX target
*
* @retval ECMD_SUCCESS
* @retval ERROR only those from called functions or MACROs
*/
fapi::ReturnCode
proc_post_winkle(const Target& i_ex_target)
{
fapi::ReturnCode l_rc;
uint32_t rc = 0;
ecmdDataBufferBase data(64);
uint64_t address = 0;
uint64_t ex_offset = 0;
uint8_t l_ex_number = 0;
fapi::Target l_parentTarget;
do
{
FAPI_INF("Beginnning proc_post_winkle...");
// Get the parent chip to target the PCBS registers
l_rc = fapiGetParentChip(i_ex_target, l_parentTarget);
if (l_rc)
{
FAPI_ERR("fapiGetParentChip access");
break;
}
// Get the core number
l_rc = FAPI_ATTR_GET(ATTR_CHIP_UNIT_POS, &i_ex_target, l_ex_number);
if (l_rc)
{
FAPI_ERR("fapiGetAttribute of ATTR_CHIP_UNIT_POS with rc = 0x%x", (uint32_t)l_rc);
break;
}
FAPI_INF("Processing core %d on %s", l_ex_number, l_parentTarget.toEcmdString());
ex_offset = l_ex_number * 0x01000000;
// Debug
address = EX_PMGP1_0x100F0103 + ex_offset;
l_rc = fapiGetScom(l_parentTarget, address, data);
if(!l_rc.ok())
{
FAPI_ERR("Scom error reading PMGP1\n");
break;
}
FAPI_DBG("\tBefore PMGP1: 0x%016llX", data.getDoubleWord(0));
// Enable movement to Fast Winkle if errors are present. This is
// turned off in the during the IPL process
rc |= data.flushTo1();
rc |= data.clearBit(20);
if(rc)
{
FAPI_ERR("Error (0x%x) setting up ecmdDataBufferBase", rc);
l_rc.setEcmdError(rc);
break;
}
address = EX_PMGP1_AND_0x100F0104 + ex_offset;
l_rc = fapiPutScom(l_parentTarget, address, data);
if(!l_rc.ok())
{
FAPI_ERR("Scom error updating PMGP1\n");
break;
}
FAPI_INF("Enabled the conversion of Deep Winkle operations to Fast Winkle if errors are present upon Winkle entry");
// Debug
address = EX_PMGP1_0x100F0103 + ex_offset;
l_rc = fapiGetScom(l_parentTarget, address, data);
if(!l_rc.ok())
{
FAPI_ERR("Scom error reading PMGP1\n");
break;
}
FAPI_DBG("\tAfter PMGP1: 0x%016llX", data.getDoubleWord(0));
} while(0);
FAPI_INF("Exiting proc_post_winkle...");
return l_rc;
}
} //end extern C
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