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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/hwpf/hwp/slave_sbe/proc_getecid/proc_getecid.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_getecid.C,v 1.9 2013/11/09 18:39:29 jmcgill Exp $
// $Source: /afs/awd/projects/eclipz/KnowledgeBase/.cvsroot/eclipz/chips/p8/working/procedures/utils/proc_getecid.C,v $
//------------------------------------------------------------------------------
// *|
// *! (C) Copyright International Business Machines Corp. 2011
// *! All Rights Reserved -- Property of IBM
// *! *** IBM Confidential ***
// *|
// *! TITLE : proc_getecid.C
// *! DESCRIPTION : Get ECID string from target using SCOM
// *!
// *! OWNER NAME : Joe McGill Email: jmcgill@us.ibm.com
// *!
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
// Includes
//------------------------------------------------------------------------------
#include <proc_getecid.H>
extern "C" {
//------------------------------------------------------------------------------
// Function definitions
//------------------------------------------------------------------------------
// HWP entry point
fapi::ReturnCode proc_getecid(
const fapi::Target& i_target,
ecmdDataBufferBase& io_fuseString)
{
// return code
fapi::ReturnCode rc;
uint32_t rc_ecmd = 0;
uint64_t attr_data[2];
// mark HWP entry
FAPI_DBG("proc_getecid: Start");
io_fuseString.setBitLength(112); // sets size and zeros out buffer
ecmdDataBufferBase otprom_mode_data(64);
ecmdDataBufferBase ecid_data(64);
do
{
//
// clear ECC enable before reading ECID data (read-modify-write OTPROM Mode register)
//
rc = fapiGetScom(i_target, OTPC_M_MODE_REGISTER_0x00010008, otprom_mode_data);
if (!rc.ok())
{
FAPI_ERR("proc_getecid: fapiGetScom error (OTPC_M_MODE_REGISTER_0x00010008) for %s",
i_target.toEcmdString());
break;
}
rc_ecmd |= otprom_mode_data.clearBit(OTPC_M_MODE_REGISTER_ECC_ENABLE_BIT);
if (rc_ecmd)
{
FAPI_ERR("proc_getecid: Error 0x%X setting up OTPROM Mode register data buffer",
rc_ecmd);
rc.setEcmdError(rc_ecmd);
break;
}
rc = fapiPutScom(i_target, OTPC_M_MODE_REGISTER_0x00010008, otprom_mode_data);
if (!rc.ok())
{
FAPI_ERR("proc_getecid: fapiPutScom error (OTPC_M_MODE_REGISTER_0x00010008) for %s",
i_target.toEcmdString());
break;
}
//
// extract and manipulate ECID data
//
rc = fapiGetScom(i_target, ECID_PART_0_0x00018000, ecid_data);
if (!rc.ok())
{
FAPI_ERR("proc_getecid: fapiGetScom error (ECID_PART_0_0x00018000) for %s",
i_target.toEcmdString());
break;
}
// 0:63 become 63:0
rc_ecmd |= ecid_data.reverse();
// copy bits 0:63 from the scom into 0:63 of the fuseString/attribute data
rc_ecmd |= io_fuseString.insert(ecid_data, 0, 64);
attr_data[0] = ecid_data.getDoubleWord(0);
if (rc_ecmd)
{
FAPI_ERR("proc_getecid: Error 0x%X processing ECID (part 0) data buffer",
rc_ecmd);
rc.setEcmdError(rc_ecmd);
break;
}
rc = fapiGetScom(i_target, ECID_PART_1_0x00018001, ecid_data);
if (!rc.ok())
{
FAPI_ERR("proc_getecid: fapiGetScom error (ECID_PART_1_0x00018001) for %s",
i_target.toEcmdString());
break;
}
// 0:63 become 63:0
rc_ecmd |= ecid_data.reverse();
// copy bits 0:47 from the scom into 64:111 of the fuseString
// all bits into attribute data
rc_ecmd |= io_fuseString.insert(ecid_data, 64, 48);
attr_data[1] = ecid_data.getDoubleWord(0);
if (rc_ecmd)
{
FAPI_ERR("proc_getecid: Error 0x%X processing ECID (part 1) data buffer",
rc_ecmd);
rc.setEcmdError(rc_ecmd);
break;
}
// push fuse string into attribute
rc = FAPI_ATTR_SET(ATTR_ECID,
&i_target,
attr_data);
if (!rc.ok())
{
FAPI_ERR("proc_getecid: Error from FAPI_ATTR_SET (ATTR_ECID) for %s (attr_data[0] = %016llX, attr_data[1] = %016llX",
i_target.toEcmdString(), attr_data[0], attr_data[1]);
break;
}
//
// restore ECC enable setting
//
rc_ecmd |= otprom_mode_data.setBit(OTPC_M_MODE_REGISTER_ECC_ENABLE_BIT);
if (rc_ecmd)
{
FAPI_ERR("proc_getecid: Error 0x%X setting up OTPROM Mode register data buffer",
rc_ecmd);
rc.setEcmdError(rc_ecmd);
break;
}
rc = fapiPutScom(i_target, OTPC_M_MODE_REGISTER_0x00010008, otprom_mode_data);
if (!rc.ok())
{
FAPI_ERR("proc_getecid: fapiPutScom error (OTPC_M_MODE_REGISTER_0x00010008) for %s",
i_target.toEcmdString());
break;
}
} while(0);
// mark HWP exit
FAPI_DBG("proc_getecid: End");
return rc;
}
} // extern "C"
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