diff options
Diffstat (limited to 'src/import/generic/memory/lib/spd/lrdimm/ddr4/lrdimm_decoder_ddr4_v1_1.C')
| -rw-r--r-- | src/import/generic/memory/lib/spd/lrdimm/ddr4/lrdimm_decoder_ddr4_v1_1.C | 276 |
1 files changed, 0 insertions, 276 deletions
diff --git a/src/import/generic/memory/lib/spd/lrdimm/ddr4/lrdimm_decoder_ddr4_v1_1.C b/src/import/generic/memory/lib/spd/lrdimm/ddr4/lrdimm_decoder_ddr4_v1_1.C deleted file mode 100644 index 3cccbb654..000000000 --- a/src/import/generic/memory/lib/spd/lrdimm/ddr4/lrdimm_decoder_ddr4_v1_1.C +++ /dev/null @@ -1,276 +0,0 @@ -/* IBM_PROLOG_BEGIN_TAG */ -/* This is an automatically generated prolog. */ -/* */ -/* $Source: src/import/generic/memory/lib/spd/lrdimm/ddr4/lrdimm_decoder_ddr4_v1_1.C $ */ -/* */ -/* OpenPOWER HostBoot Project */ -/* */ -/* Contributors Listed Below - COPYRIGHT 2016,2018 */ -/* [+] 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_1.C -/// @brief LRDIMM module SPD decoder definitions for revision 1.1 -/// -// *HWP HWP Owner: Andre Marin <aamarin@us.ibm.com> -// *HWP HWP Backup: Stephen Glancy <sglancy@us.ibm.com> -// *HWP Team: Memory -// *HWP Level: 3 -// *HWP Consumed by: HB:FSP - -// std lib -#include <vector> - -// fapi2 -#include <fapi2.H> - -// mss lib -#include <generic/memory/lib/spd/lrdimm/ddr4/lrdimm_decoder_ddr4.H> -#include <generic/memory/lib/spd/common/ddr4/spd_decoder_ddr4.H> -#include <generic/memory/lib/spd/spd_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 ddr4 -{ -namespace lrdimm -{ - -/// -/// @brief Decodes register and data buffer types -/// @param[out] o_output encoding from SPD -/// @return FAPI2_RC_SUCCESS if okay -/// @note SPD Byte 131 (Bits 7~4) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 3 -/// @note Page 4.1.2.12.3 - 63 -/// -fapi2::ReturnCode decoder_v1_1::register_and_buffer_type(uint8_t& o_output) const -{ - // Extracting desired bits - uint8_t l_field_bits = extract_spd_field< REGISTER_TYPE >(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 RESERVED = 2; - - FAPI_TRY( mss::check::spd::fail_for_invalid_value(iv_target, - l_field_bits < RESERVED, // extract sanity check - REGISTER_TYPE.iv_byte, - l_field_bits, - "Failed bounds check for Register and Data Buffer Types") ); - - // Update output only if check passes - o_output = l_field_bits; - - FAPI_INF("%s. Register and Data Buffer Types: %d", - iv_target_str_storage, - o_output); - -fapi_try_exit: - return fapi2::current_err; - -} - -/// -/// @brief Decodes register output drive strength for CKE signal -/// @param[out] o_output encoding from SPD -/// @return FAPI2_RC_SUCCESS if okay -/// @note SPD Byte 137 (Bits 1~0) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 3 -/// @note Page 4.1.2.12.3 - 65 -/// -fapi2::ReturnCode decoder_v1_1::cke_signal_output_driver(uint8_t& o_output) const -{ - // Extracting desired bits - uint8_t l_field_bits = extract_spd_field< CKE_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 = 3; - - FAPI_TRY( mss::check::spd::fail_for_invalid_value(iv_target, - l_field_bits <= MAX_VALID_VAL, // extract sanity check - CKE_DRIVE_STRENGTH.iv_byte, - l_field_bits, - "Failed bounds check for Register Output Driver for CKE") ); - - // Update output only if check passes - o_output = l_field_bits; - - FAPI_INF("%s. Register Output Driver for CKE: %d", - iv_target_str_storage, - o_output); - -fapi_try_exit: - return fapi2::current_err; -} - -/// -/// @brief Decodes register output drive strength for ODT signal -/// @param[out] o_output encoding from SPD -/// @return FAPI2_RC_SUCCESS if okay -/// @note SPD Byte 137 (Bits 3~2) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 3 -/// @note Page 4.1.2.12.3 - 65 -/// -fapi2::ReturnCode decoder_v1_1::odt_signal_output_driver(uint8_t& o_output) const -{ - // Extracting desired bits - uint8_t l_field_bits = extract_spd_field< ODT_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 = 3; - - FAPI_TRY( mss::check::spd::fail_for_invalid_value(iv_target, - l_field_bits <= MAX_VALID_VAL, // extract sanity check - ODT_DRIVE_STRENGTH.iv_byte, - l_field_bits, - "Failed bounds check for Register Output Driver for ODT") ); - - // Update output only if check passes - o_output = l_field_bits; - - FAPI_INF("%s. Register Output Driver for ODT: %d", - iv_target_str_storage, - o_output); - -fapi_try_exit: - return fapi2::current_err; -} - -/// -/// @brief Decodes register output drive strength for control signal (CS) signal -/// @param[out] o_output encoding from SPD -/// @return FAPI2_RC_SUCCESS if okay -/// @note SPD Byte 137 (Bits 6~7) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 3 -/// @note Page 4.1.2.12.3 - 65 -/// -fapi2::ReturnCode decoder_v1_1::cs_signal_output_driver(uint8_t& o_output) const -{ - // Extracting desired bits - uint8_t l_field_bits = extract_spd_field< CS_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 = 3; - - FAPI_TRY( mss::check::spd::fail_for_invalid_value(iv_target, - l_field_bits <= MAX_VALID_VAL, // extract sanity check - CS_DRIVE_STRENGTH.iv_byte, - l_field_bits, - "Failed bounds check for Register Output Driver for CS") ); - - // Update output only if check passes - o_output = l_field_bits; - - FAPI_INF("%s. Register Output Driver for CS: %d", - iv_target_str_storage, - o_output); - -fapi_try_exit: - return fapi2::current_err; -} - -/// -/// @brief Decodes register output drive strength for clock (B side) -/// @param[out] o_output drive strength encoding from SPD -/// @return FAPI2_RC_SUCCESS if okay -/// @note SPD Byte 138 (Bits 1~0) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 3 -/// @note Page 4.1.2.12.3 - 66 -/// -fapi2::ReturnCode decoder_v1_1::b_side_clk_output_driver(uint8_t& o_output) const -{ - // Extracting desired bits - uint8_t l_field_bits = extract_spd_field< B_SIDE_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 = 3; - - FAPI_TRY( mss::check::spd::fail_for_invalid_value(iv_target, - l_field_bits <= MAX_VALID_VAL, // extract sanity check - B_SIDE_DRIVE_STRENGTH.iv_byte, - l_field_bits, - "Failed bounds check for Register Output Driver for clock (Y0,Y2)") ); - - // Update output only if check passes - o_output = l_field_bits; - - FAPI_INF("%s. Register Output Driver for clock (Y0,Y2): %d", - iv_target_str_storage, - o_output); - -fapi_try_exit: - return fapi2::current_err; -} - -/// -/// @brief Decodes register output drive strength for clock (A side) -/// @param[out] o_output drive strength encoding from SPD -/// @return FAPI2_RC_SUCCESS if okay -/// @note SPD Byte 138 (Bits 3~2) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 3 -/// @note Page 4.1.2.12.3 - 66 -/// -fapi2::ReturnCode decoder_v1_1::a_side_clk_output_driver(uint8_t& o_output) const -{ - // Extracting desired bits - uint8_t l_field_bits = extract_spd_field< A_SIDE_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 = 3; - - FAPI_TRY( mss::check::spd::fail_for_invalid_value(iv_target, - l_field_bits <= MAX_VALID_VAL, - A_SIDE_DRIVE_STRENGTH.iv_byte, - l_field_bits, - "Failed bounds check for Register Output Driver for clock (Y1,Y3)") ); - - // Update output only if check passes - o_output = l_field_bits; - - FAPI_INF("%s. Register Output Driver for clock (Y1,Y3): %d", - iv_target_str_storage, - o_output); - -fapi_try_exit: - return fapi2::current_err; -} - -}// lrdimm -}// ddr4 -}// spd -}// mss |
