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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/hwpf/hwp/build_winkle_images/p8_set_pore_bar/p8_pmc_deconfig_setup.C $ */
/* */
/* IBM CONFIDENTIAL */
/* */
/* COPYRIGHT International Business Machines Corp. 2012,2013 */
/* */
/* p1 */
/* */
/* Object Code Only (OCO) source materials */
/* Licensed Internal Code Source Materials */
/* IBM HostBoot Licensed Internal Code */
/* */
/* The source code for this program is not published or otherwise */
/* divested of its trade secrets, irrespective of what has been */
/* deposited with the U.S. Copyright Office. */
/* */
/* Origin: 30 */
/* */
/* IBM_PROLOG_END_TAG */
// $Id: p8_pmc_deconfig_setup.C,v 1.10 2013/10/22 03:21:48 stillgs Exp $
// $Source: /afs/awd/projects/eclipz/KnowledgeBase/.cvsroot/eclipz/chips/p8/working/procedures/ipl/fapi/p8_pmc_deconfig_setup.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
// *!
/// \file p8_pmc_deconfig_setup.C
/// \brief Setup PMC Deconfig based on EX chiplet enable bit (GP0(0))
///
///
/// High-level procedure flow:
/// \verbatim
///
/// Loop over Functional EX chiplets
/// {
/// Read GP0(0)
/// if ( clear ) // disabled
/// {
/// Set the respective core bit in PMC_CORE_DECONFIGURATION_REG
/// // Cores are held in 0:15
/// }
/// }
///
/// Procedure Prereq:
/// - System clocks are running
/// \endverbatim
///
//------------------------------------------------------------------------------
// ----------------------------------------------------------------------
// Includes
// ----------------------------------------------------------------------
#include <fapi.H>
#include "p8_scom_addresses.H"
#include "p8_pmc_deconfig_setup.H"
extern "C" {
using namespace fapi;
//------------------------------------------------------------------------------
/**
* p8_pmc_deconfig_setup - Set PMC Deconfig register based on chiplet GP3(0)
*
* @param[in] i_target Chip target
*
*
* @retval FAPI_RC_SUCCESS
* @retval ERROR defined in xml
*/
ReturnCode
p8_pmc_deconfig_setup(const Target& i_target)
{
fapi::ReturnCode rc;
uint32_t e_rc = 0;
uint64_t address = 0;
ecmdDataBufferBase data(64);
ecmdDataBufferBase config_data(64);
std::vector<fapi::Target> l_exChiplets;
uint8_t l_ex_number = 0;
do
{
FAPI_INF("Executing p8_pmc_deconfig_setup on target %s...", i_target.toEcmdString());
rc = fapiGetChildChiplets ( i_target,
TARGET_TYPE_EX_CHIPLET,
l_exChiplets,
TARGET_STATE_FUNCTIONAL);
if (rc)
{
FAPI_ERR("Error from fapiGetChildChiplets!");
break;
}
FAPI_DBG("\tChiplet vector size => %u ", l_exChiplets.size());
// Set the buffer to assume that all chiplets are deconfigured. Validly configured
// chiplets will then turn off this deconfiguration.
FAPI_INF("\tAssuming all cores are non-functional");
e_rc |= config_data.flushTo0();
e_rc |= config_data.setBit(0, 16);
if (e_rc)
{
FAPI_ERR("Error (0x%x) flushing ecmdDataBufferBase", e_rc);
rc.setEcmdError(e_rc);
return rc;
}
// Iterate through the returned chiplets
for (uint8_t j=0; j < l_exChiplets.size(); j++)
{
// Get the core number
rc = FAPI_ATTR_GET( ATTR_CHIP_UNIT_POS,
&l_exChiplets[j],
l_ex_number);
if (rc)
{
FAPI_ERR("fapiGetAttribute of ATTR_CHIP_UNIT_POS error");
break;
}
FAPI_INF(" Working on ex chiplet number %d", l_ex_number);
address = EX_GP3_0x100F0012 + (l_ex_number * 0x01000000);
rc=fapiGetScom(i_target, address, data);
if (rc)
{
FAPI_ERR("fapiGetScom address 0x%08llX failed. rc = 0x%x",
address,
(uint32_t)rc);
break;
}
FAPI_DBG("\tGP0(0) from core %x (@ %08llx) => 0x%16llx",
l_ex_number,
address,
data.getDoubleWord(0));
// Check if chiplet enable bit is set (configured); If so,
// clear the chiplet bit in PMC Core Deconfig Register (0:15)
// indexed by ex number
if ( data.isBitSet(0) )
{
FAPI_INF("\tSetting Core %X as functional", l_ex_number);
e_rc |= config_data.clearBit(l_ex_number);
if (e_rc)
{
FAPI_ERR("Error (0x%x) setting bit in ecmdDataBufferBase", e_rc);
rc.setEcmdError(e_rc);
break;
}
}
}
address = PMC_CORE_DECONFIG_REG_0x0006200D;
rc = fapiPutScom(i_target, address , config_data);
if(rc)
{
FAPI_ERR("fapiPutScom address 0x%08llX failed. rc = 0x%x",
address,
(uint32_t)rc);
break;
}
FAPI_INF("\tWriting PMC Core Deconfig Register with 0x%16llx",
config_data.getDoubleWord(0));
} while (0);
return rc;
}
} //end extern C
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