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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/chips/ocmb/explorer/procedures/hwp/memory/exp_getecid.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 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 exp_getecid.C
/// @brief Gets ECID from explorer fuse registers
///
/// *HWP HWP Owner: Mark Pizzutillo <Mark.Pizzutillo@ibm.com>
/// *HWP HWP Backup: Andre Marin <aamarin@us.ibm.com>
/// *HWP Team: Memory
/// *HWP Level: 2
/// *HWP Consumed by: HB
#include <fapi2.H>
#include <exp_getecid.H>
#include <exp_getecid_utils.H>
#include <lib/shared/exp_consts.H>
#include <explorer_scom_addresses.H>
#include <explorer_scom_addresses_fld.H>
#include <mss_explorer_attribute_setters.H>
#include <generic/memory/mss_git_data_helper.H>
extern "C"
{
///
/// @brief getecid procedure for explorer chip
/// @param[in] i_target Explorer OCMB chip
/// @return fapi2:ReturnCode FAPI2_RC_SUCCESS if success, else error code.
/// @note Sets ocmb_ecid, enterprise, half-dimm mode attributes. exp_omi_setup configures the chip with these attributes
///
fapi2::ReturnCode exp_getecid(const fapi2::Target<fapi2::TARGET_TYPE_OCMB_CHIP>& i_target)
{
mss::display_git_commit_info("exp_getecid");
// Using FUSE enterprise_dis bit, determine whether enterprise is disabled, otherwise
// we will enable it. Override to disable it is done in omi_setup. Half_dimm_mode we
// will also disable by default, as it is not a feature of P systems
{
uint8_t l_enterprise_mode = fapi2::ENUM_ATTR_MSS_OCMB_ENTERPRISE_MODE_NON_ENTERPRISE; // 0
uint8_t l_half_dimm_mode = fapi2::ENUM_ATTR_MSS_OCMB_HALF_DIMM_MODE_FULL_DIMM; // 0
FAPI_TRY(mss::exp::ecid::get_enterprise_and_half_dimm_from_fuse(
i_target, l_enterprise_mode, l_half_dimm_mode),
"exp_getecid: getting enterprise and half_dimm from fuse failed on %s",
mss::c_str(i_target));
// Set attributes
FAPI_TRY(mss::attr::set_ocmb_enterprise_mode(i_target, l_enterprise_mode),
"exp_getecid: Could not set ATTR_MSS_OCMB_ENTERPRISE_MODE");
FAPI_TRY(mss::attr::set_ocmb_half_dimm_mode(i_target, l_half_dimm_mode),
"exp_getecid: Could not set ATTR_MSS_OCMB_HALF_DIMM_MODE");
}
//
// Populate OCMB_ECID attribute with:
// EFUSE_IMAGE_OUT[261:64] – Serial number (Wafer ID, number and XY coordinates)
// EFUSE_IMAGE_OUT[263:262] – PSRO
// Each register in the FUSE is 32 bits in size, but only the lower 16 bits are used, Here, we piece together
// each set of lower 16 bits and insert these into the ECID register
//
// TK - Once ATTR_ECID is made large enough, we probably will not need ATTR_OCMB_ECID
// We can remove the call to it below and remove the attribute itself.
//
{
// ECID obtained from register contents
uint16_t l_ecid[mss::exp::ecid_consts::FUSE_ARRAY_SIZE] = {0};
FAPI_TRY(mss::exp::ecid::read_from_fuse(i_target, l_ecid),
"exp_getecid: Could not read ecid from FUSE on %s", mss::c_str(i_target));
for (uint8_t l_ecid_idx = 0; l_ecid_idx < mss::exp::ecid_consts::FUSE_ARRAY_SIZE; ++l_ecid_idx)
{
FAPI_INF("%s ECID[%u]: 0x%04X", mss::c_str(i_target), l_ecid_idx, l_ecid[l_ecid_idx]);
}
// TK - Remove once ATTR_ECID is made large enough
FAPI_TRY(mss::attr::set_ocmb_ecid(i_target, l_ecid),
"exp_getecid: Could not set ATTR_MSS_OCMB_ECID on %s", mss::c_str(i_target));
FAPI_TRY(mss::exp::ecid::set_attr(i_target, l_ecid),
"exp_getecid: Could not set ATTR_ECID on %s", mss::c_str(i_target));
}
fapi_try_exit:
return fapi2::current_err;
}
} // extern "C"
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