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Diffstat (limited to 'src/import/chips/p9/procedures/hwp/memory/lib/spd/lrdimm/lrdimm_decoder_v1_2.C')
| -rw-r--r-- | src/import/chips/p9/procedures/hwp/memory/lib/spd/lrdimm/lrdimm_decoder_v1_2.C | 306 |
1 files changed, 0 insertions, 306 deletions
diff --git a/src/import/chips/p9/procedures/hwp/memory/lib/spd/lrdimm/lrdimm_decoder_v1_2.C b/src/import/chips/p9/procedures/hwp/memory/lib/spd/lrdimm/lrdimm_decoder_v1_2.C deleted file mode 100644 index 692c0fca5..000000000 --- a/src/import/chips/p9/procedures/hwp/memory/lib/spd/lrdimm/lrdimm_decoder_v1_2.C +++ /dev/null @@ -1,306 +0,0 @@ -/* IBM_PROLOG_BEGIN_TAG */ -/* This is an automatically generated prolog. */ -/* */ -/* $Source: src/import/chips/p9/procedures/hwp/memory/lib/spd/lrdimm/lrdimm_decoder_v1_2.C $ */ -/* */ -/* OpenPOWER HostBoot Project */ -/* */ -/* Contributors Listed Below - COPYRIGHT 2016,2017 */ -/* [+] 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 lrdimm_decoder_v1_2.C -/// @brief LRDIMM module SPD decoder definitions for revision 1.2 -/// -// *HWP HWP Owner: Andre Marin <aamarin@us.ibm.com> -// *HWP HWP Backup: Brian Silver <bsilver@us.ibm.com> -// *HWP Team: Memory -// *HWP Level: 2 -// *HWP Consumed by: HB:FSP - -// std lib -#include <vector> - -// fapi2 -#include <fapi2.H> - -// mss lib -#include <lib/spd/lrdimm/lrdimm_decoder.H> -#include <lib/spd/common/spd_decoder.H> -#include <lib/utils/checker.H> -#include <generic/memory/lib/utils/c_str.H> -#include <generic/memory/lib/utils/find.H> - -using fapi2::TARGET_TYPE_MCA; -using fapi2::TARGET_TYPE_MCS; -using fapi2::TARGET_TYPE_DIMM; - -namespace mss -{ -namespace spd -{ -namespace lrdimm -{ -/// -/// @brief Decodes register output drive strength for data buffer control (BCOM, BODT, BKCE) -/// @param[out] o_output encoded drive strength -/// @return FAPI2_RC_SUCCESS if okay -/// @note SPD Byte 138 (Bit 4) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 4 -/// @note Page 4.1.2.12.3 - 76 -/// -fapi2::ReturnCode decoder_v1_2::bcom_bcke_bodt_drive_strength(uint8_t& o_output) -{ - // Extracting desired bits - uint8_t l_field_bits = extract_spd_field< BCOM_BODT_BCKE_DRIVE_STRENGTH >(iv_target, iv_spd_data); - FAPI_INF("Field Bits value: %d", l_field_bits); - - // This checks my extracting params returns a value within bound - constexpr size_t MAX_VALID_VAL = 1; - - FAPI_TRY( mss::check::spd::fail_for_invalid_value(iv_target, - l_field_bits <= MAX_VALID_VAL, - BCOM_BODT_BCKE_DRIVE_STRENGTH.iv_byte, - l_field_bits, - "Failed bounds check for Register Output Driver for data buffer control (BCOM, BODT, BCKE)") ); - - // Update output only if check passes - o_output = l_field_bits; - - FAPI_INF("%s. Register Output Driver for data buffer control (BCOM, BODT, BCKE): %d", - mss::c_str(iv_target), - o_output); - -fapi_try_exit: - return fapi2::current_err; -} - -/// -/// @brief Decodes register output drive strength for data buffer control (BCK) -/// @param[out] o_output encoded drive strength -/// @return FAPI2_RC_SUCCESS if okay -/// @note SPD Byte 138 (Bit 5) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 4 -/// @note Page 4.1.2.12.3 - 76 -/// -fapi2::ReturnCode decoder_v1_2::bck_output_drive_strength(uint8_t& o_output) -{ - // Extracting desired bits - uint8_t l_field_bits = extract_spd_field< BCK_DRIVE_STRENGTH >(iv_target, iv_spd_data); - FAPI_INF("Field Bits value: %d", l_field_bits); - - // This checks my extracting params returns a value within bound - constexpr size_t MAX_VALID_VAL = 1; - - FAPI_TRY( mss::check::spd::fail_for_invalid_value(iv_target, - l_field_bits <= MAX_VALID_VAL, - BCK_DRIVE_STRENGTH.iv_byte, - l_field_bits, - "Failed bounds check for Register Output Driver for data buffer control (BCK)") ); - - // Update output only if check passes - o_output = l_field_bits; - - FAPI_INF("%s. Register Output Driver for data buffer control (BCK): %d", - mss::c_str(iv_target), - o_output); - -fapi_try_exit: - return fapi2::current_err; -} - -/// -/// @brief Decodes RCD output slew rate control -/// @param[out] o_output encoded drive strength -/// @return FAPI2_RC_SUCCESS if okay -/// @note SPD Byte 138 (Bit 6) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 4 -/// @note Page 4.1.2.L-4 - 76 -/// -fapi2::ReturnCode decoder_v1_2::slew_rate_control(uint8_t& o_output) -{ - // Extracting desired bits - uint8_t l_field_bits = extract_spd_field< RCD_SLEW_CNTRL >(iv_target, iv_spd_data); - FAPI_INF("Field Bits value: %d", l_field_bits); - - // This checks my extracting params returns a value within bound - constexpr size_t MAX_VALID_VAL = 0b1; - - FAPI_TRY( mss::check::spd::fail_for_invalid_value(iv_target, - l_field_bits <= MAX_VALID_VAL, // extract sanity check - RCD_SLEW_CNTRL.iv_byte, - l_field_bits, - "Failed bound check for RCD output slew rate control") ); - - // Update output only if check passes - o_output = l_field_bits; - - FAPI_INF("%s. RCD output slew rate control: %d", - mss::c_str(iv_target), - o_output); - -fapi_try_exit: - return fapi2::current_err; -} - -/// -/// @brief Decodes VrefDQ range for DRAM interface range -/// @param[out] o_output spd encoding -/// @return FAPI2_RC_SUCCESS if okay -/// @note SPD Byte 155 (Bits 3~0) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 4 -/// @note Page 4.1.2.L-4 - 76 -/// -fapi2::ReturnCode decoder_v1_2::dram_vref_dq_range(uint8_t& o_output) -{ - // Extracting desired bits - uint8_t l_field_bits = extract_spd_field< DRAM_VREF_DQ_RANGE >(iv_target, iv_spd_data); - FAPI_INF("Field Bits value: %d", l_field_bits); - - // This checks my extracting params returns a value within bound - constexpr size_t MAX_VALID_VAL = 0b1111; - - FAPI_TRY( mss::check::spd::fail_for_invalid_value(iv_target, - l_field_bits <= MAX_VALID_VAL, // extract sanity check - DRAM_VREF_DQ_RANGE.iv_byte, - l_field_bits, - "Failed bound check for VrefDQ range for DRAM interface range ") ); - - // Update output only if check passes - o_output = l_field_bits; - - FAPI_INF("%s. VrefDQ range for DRAM interface range: %d", - mss::c_str(iv_target), - o_output); - -fapi_try_exit: - return fapi2::current_err; -} - -/// -/// @brief Decodes data buffer VrefDQ range for DRAM interface range -/// @param[out] o_output spd encoding -/// @return FAPI2_RC_SUCCESS if okay -/// @note SPD Byte 155 (Bit 4) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 4 -/// @note Page 4.1.2.L-4 - 76 -/// -fapi2::ReturnCode decoder_v1_2::data_buffer_vref_dq_range(uint8_t& o_output) -{ - // Extracting desired bits - uint8_t l_field_bits = extract_spd_field< DATA_BUFFER_VREF_DQ >(iv_target, iv_spd_data); - FAPI_INF("Field Bits value: %d", l_field_bits); - - // This checks my extracting params returns a value within bound - constexpr size_t MAX_VALID_VAL = 1; - - FAPI_TRY( mss::check::spd::fail_for_invalid_value(iv_target, - l_field_bits <= MAX_VALID_VAL, // extract sanity check - DATA_BUFFER_VREF_DQ.iv_byte, - l_field_bits, - "Failed bound check for data buffer VrefDQ range for DRAM interface range") ); - - // Update output only if check passes - o_output = l_field_bits; - - FAPI_INF("%s. Data buffer VrefDQ range for DRAM interface range: %d", - mss::c_str(iv_target), - o_output); - -fapi_try_exit: - return fapi2::current_err; -} - -/// -/// @brief Decodes data buffer gain adjustment -/// @param[out] o_output spd encoding -/// @return FAPI2_RC_SUCCESS if okay -/// @note SPD Byte 156 (Bit 0) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 4 -/// @note Page 4.1.2.L-4 - 77 -/// -fapi2::ReturnCode decoder_v1_2::data_buffer_gain_adjustment(uint8_t& o_output) -{ - // Extracting desired bits - uint8_t l_field_bits = extract_spd_field< DATA_BUFFER_GAIN_ADJUST >(iv_target, iv_spd_data); - FAPI_INF("Field Bits value: %d", l_field_bits); - - // This checks my extracting params returns a value within bound - constexpr size_t MAX_VALID_VAL = 1; - - FAPI_TRY( mss::check::spd::fail_for_invalid_value(iv_target, - l_field_bits <= MAX_VALID_VAL, // extract sanity check - DATA_BUFFER_GAIN_ADJUST.iv_byte, - l_field_bits, - "Failed bound check for data buffer gain adjustment") ); - - // Update output only if check passes - o_output = l_field_bits; - - FAPI_INF("%s. Data buffer gain adjustment: %d", - mss::c_str(iv_target), - o_output); - -fapi_try_exit: - return fapi2::current_err; -} - -/// -/// @brief Decodes data buffer Decision Feedback Equalization (DFE) -/// @param[out] o_output spd encoding -/// @return FAPI2_RC_SUCCESS if okay -/// @note SPD Byte 156 (Bit 1) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 4 -/// @note Page 4.1.2.L-4 - 77 -/// -fapi2::ReturnCode decoder_v1_2::data_buffer_dfe(uint8_t& o_output) -{ - // Extracting desired bits - uint8_t l_field_bits = extract_spd_field< DATA_BUFFER_DFE >(iv_target, iv_spd_data); - FAPI_INF("Field Bits value: %d", l_field_bits); - - // This checks my extracting params returns a value within bound - constexpr size_t MAX_VALID_VAL = 1; - - FAPI_TRY( mss::check::spd::fail_for_invalid_value(iv_target, - l_field_bits <= MAX_VALID_VAL, // extract sanity check - DATA_BUFFER_DFE.iv_byte, - l_field_bits, - "Failed bound check for data buffer Decision Feedback Equalization (DFE)") ); - - // Update output only if check passes - o_output = l_field_bits; - - FAPI_INF("%s. Data buffer Decision Feedback Equalization (DFE): %d", - mss::c_str(iv_target), - o_output); - -fapi_try_exit: - return fapi2::current_err; -} - -}// lrdimm -}// spd -}// mss |
