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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/hwpf/fapi2/include/plat/plat_vpd_access.H $ */
/* */
/* OpenPOWER sbe Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2016,2019 */
/* [+] 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 */
/// @file plat_vpd_access.H
///
/// @brief Platform vpd-access definitions
///
#ifndef _FAPI2_PLAT_VPDACCESS_H_
#define _FAPI2_PLAT_VPDACCESS_H_
#include <fapi2_vpd_access.H>
namespace fapi2
{
// -- platform specific getVPD implementation goes here --
// platform specific for MCS target -- test code only
inline fapi2::ReturnCode platGetVPD(const fapi2::Target<fapi2::TARGET_TYPE_MCS>& i_target,
VPDInfo<fapi2::TARGET_TYPE_MCS>& io_vpd_info,
uint8_t* o_blob)
{
fapi2::ReturnCode l_rc = fapi2::FAPI2_RC_SUCCESS;
if( o_blob == nullptr )
{
io_vpd_info.iv_size = 2048;
}
else
{
o_blob[0] = 111;
}
return l_rc;
}
// platform specific for OCMB target -- test code only
inline fapi2::ReturnCode platGetVPD(const fapi2::Target<fapi2::TARGET_TYPE_OCMB_CHIP>& i_target,
VPDInfo<fapi2::TARGET_TYPE_OCMB_CHIP>& io_vpd_info,
uint8_t* o_blob)
{
fapi2::ReturnCode l_rc = fapi2::FAPI2_RC_SUCCESS;
if( o_blob == nullptr )
{
io_vpd_info.iv_size = 128;
}
else
{
//-- Implementation Example/Suggestion for 'EFD' --
// Check byte 2 for DDR4 or DDR5
// Check bytes 205-206 of SPD for supported speeds
// Look at EFD metadata in 277-415
// Walk through all present EFD blocks looking for
// a match for speed, rank, channel/position
// Copy entire EFD block into o_blob
// Update output variables with the metadata that
// should be used to decode the block
if( io_vpd_info.iv_omi_freq_mhz == 25600 )
{
o_blob[0] = 0x40;
}
else if( io_vpd_info.iv_omi_freq_mhz == 21330 )
{
o_blob[0] = 0x10;
}
io_vpd_info.iv_efd_type = 0x11;
io_vpd_info.iv_dmb_mfg_id = 0x2980;
io_vpd_info.iv_dmb_revision = 0x00;
io_vpd_info.iv_ddr_mode = 0x0C;
}
return l_rc;
}
};
#endif // _FAPI2_PLAT_VPDACCESS_H_
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