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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/hwpf/hwp/core_activate/switch_rec_attn/cen_switch_rec_attn.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: cen_switch_rec_attn.C,v 1.4 2013/03/04 17:56:36 mfred Exp $
// $Source: /afs/awd/projects/eclipz/KnowledgeBase/.cvsroot/eclipz/chips/centaur/working/procedures/ipl/fapi/cen_switch_rec_attn.C,v $
//------------------------------------------------------------------------------
// *! (C) Copyright International Business Machines Corp. 2012
// *! All Rights Reserved -- Property of IBM
// *! *** IBM Confidential ***
//------------------------------------------------------------------------------
// *! TITLE : cen_switch_rec_attn
// *! DESCRIPTION : The purpose of this procedure is to route Centaur recoverable attns and special attns to the FSP.
// *! OWNER NAME : Mark Fredrickson Email: mfred@us.ibm.com
// *! BACKUP NAME : Mark Bellows Email: bellows@us.ibm.com
// *! SCREEN : pervasive_screen
// #! ADDITIONAL COMMENTS : See inline comments below.
//
//------------------------------------------------------------------------------
// Don't forget to create CVS comments when you check in your changes!
//------------------------------------------------------------------------------
#include <fapi.H>
#include <cen_scom_addresses.H>
#include <cen_switch_rec_attn.H>
// Constants
const uint8_t RECOV_ERR_IPOLL_MASK_BIT = 5;
const uint8_t SPEC_ATTN_IPOLL_MASK_BIT = 6;
extern "C" {
using namespace fapi;
fapi::ReturnCode cen_switch_rec_attn(const fapi::Target & i_target)
{
// Target is centaur
fapi::ReturnCode rc;
uint32_t rc_ecmd = 0;
ecmdDataBufferBase scom_data(64);
FAPI_INF("********* cen_switch_rec_attn start *********");
do
{
// Clear bit 5 in the IPOLL Mask Register 0x01020013 to unmask the recoverable errors going to FSI and DMI.
// Clear bit 6 in the IPOLL Mask Register 0x01020013 to unmask the special attn interrupts going to FSI and DMI.
// Note: In Centaur the outputs of the ITR Macro go to both the FSI and to the DMI.
// The "HostBridge" mentioned in the P8 Pervasive Workbook is NOT the DMI path.
// In Centaur the IPOLL Mask bits 0-3 to not do anything.
// In Centaur the IPOLL Mask bits 4-7 controll signals going to BOTH FSI and DMI.
FAPI_DBG("Writing IPOLL Mask Register 0x01020013 to clear bit 5 and 6 (to unmask recov errs and spc attns) ...");
rc = fapiGetScom( i_target, TP_IPOLL_MSK_0x01020013, scom_data);
if ( rc )
{
FAPI_ERR("Error reading Interrupt IPOLL Mask Reg 0x01020013.");
break;
}
rc_ecmd |= scom_data.clearBit(RECOV_ERR_IPOLL_MASK_BIT);
rc_ecmd |= scom_data.clearBit(SPEC_ATTN_IPOLL_MASK_BIT);
if (rc_ecmd)
{
FAPI_ERR("Error 0x%x setting up ecmd data buffer to write Interrupt IPOLL Mask Register.", rc_ecmd);
rc.setEcmdError(rc_ecmd);
break;
}
rc = fapiPutScom( i_target, TP_IPOLL_MSK_0x01020013, scom_data);
if (rc)
{
FAPI_ERR("Error writing Interrupt IPOLL Mask Reg 0x01020013.");
break;
}
} while(0);
FAPI_INF("********* cen_switch_rec_attn complete *********");
return rc;
}
} //end extern C
/*
*************** Do not edit this area ***************
This section is automatically updated by CVS when you check in this file.
Be sure to create CVS comments when you commit so that they can be included here.
$Log: cen_switch_rec_attn.C,v $
Revision 1.4 2013/03/04 17:56:36 mfred
Add some header comments for BACKUP and SCREEN.
Revision 1.3 2013/01/18 17:18:31 mfred
Clear mask to allow special attentions to go to FSP, along with recoverables.
Revision 1.2 2012/12/13 22:54:32 mfred
Update to remove unneeded commands and unmask recoverable path to FSI.
Revision 1.1 2012/12/10 22:39:02 mfred
Adding new procedure cen_switch_rec_attn.
*/
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