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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/hwpf/hwp/mvpd_accessors/getMBvpdDram2NModeEnabled.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2013,2015 */
/* [+] 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 */
// $Id: getMBvpdDram2NModeEnabled.C,v 1.4 2014/12/11 13:35:35 whs Exp $
/**
* @file getMBvpdDram2NModeEnabled.C
*
* @brief get the Dram 2N Mode value from MBvpd keyword MR
* and return whether 2N mode is enabled
*
*/
#include <stdint.h>
// fapi support
#include <fapi.H>
#include <fapiUtil.H>
#include <getMBvpdDram2NModeEnabled.H>
#include <getMBvpdAttr.H>
extern "C"
{
using namespace fapi;
fapi::ReturnCode getMBvpdDram2NModeEnabled(
const fapi::Target &i_mbaTarget,
uint8_t & o_val)
{
fapi::ReturnCode l_fapirc;
uint8_t l_dram2NMode [2] = {0,0};
FAPI_DBG("getMBvpdDram2NModeEnabled: entry ");
do {
// Retrieve the Dram 2N Mode from the MR keyword
FAPI_EXEC_HWP(l_fapirc,
getMBvpdAttr,
i_mbaTarget,
fapi::ATTR_VPD_DRAM_2N_MODE_ENABLED,
&l_dram2NMode,
sizeof(l_dram2NMode));
if (l_fapirc)
{
FAPI_ERR("getMBvpdDram2NModeEnabled: Read of VZ keyword failed");
break; // break out with fapirc
}
// ensure values match
if (l_dram2NMode[0] != l_dram2NMode[1]) {
FAPI_ERR("getMBvpdDram2NModeEnabled:"
" ports should have same value 0x%02x != 0x%02x",
l_dram2NMode[0],l_dram2NMode[1]);
const uint32_t & PORT0 = l_dram2NMode[0];
const uint32_t & PORT1 = l_dram2NMode[1];
const fapi::Target & MBA_TARGET = i_mbaTarget;
FAPI_SET_HWP_ERROR(l_fapirc,RC_MBVPD_DRAM_2N_MODE_NOT_EQUAL);
break; // break out with fapirc
}
// return value
const uint8_t DRAM_2N_MODE = 0x02;
if (DRAM_2N_MODE == l_dram2NMode[0] )
{
o_val=fapi::ENUM_ATTR_VPD_DRAM_2N_MODE_ENABLED_TRUE;
}
else
{
o_val=fapi::ENUM_ATTR_VPD_DRAM_2N_MODE_ENABLED_FALSE;
}
} while (0);
FAPI_DBG("getMBvpdDram2NModeEnabled: exit rc=0x%08x)",
static_cast<uint32_t>(l_fapirc));
return l_fapirc;
}
} // extern "C"
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