diff options
Diffstat (limited to 'src/import/generic/memory/lib/spd/rdimm/ddr4/rdimm_decoder_ddr4_v1_0.C')
| -rw-r--r-- | src/import/generic/memory/lib/spd/rdimm/ddr4/rdimm_decoder_ddr4_v1_0.C | 644 |
1 files changed, 0 insertions, 644 deletions
diff --git a/src/import/generic/memory/lib/spd/rdimm/ddr4/rdimm_decoder_ddr4_v1_0.C b/src/import/generic/memory/lib/spd/rdimm/ddr4/rdimm_decoder_ddr4_v1_0.C deleted file mode 100644 index 021130412..000000000 --- a/src/import/generic/memory/lib/spd/rdimm/ddr4/rdimm_decoder_ddr4_v1_0.C +++ /dev/null @@ -1,644 +0,0 @@ -/* IBM_PROLOG_BEGIN_TAG */ -/* This is an automatically generated prolog. */ -/* */ -/* $Source: src/import/generic/memory/lib/spd/rdimm/ddr4/rdimm_decoder_ddr4_v1_0.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 rdimm_decoder.C -/// @brief RDIMM module specific SPD decoder definitions -/// -// *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/rdimm/ddr4/rdimm_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_MCBIST; -using fapi2::TARGET_TYPE_MCA; -using fapi2::TARGET_TYPE_MCS; -using fapi2::TARGET_TYPE_DIMM; - - -namespace mss -{ -namespace spd -{ -namespace ddr4 -{ -namespace rdimm -{ - -///////////////////////// -// Member Method implementation -// For RDIMM module rev 1.0 -///////////////////////// - -/// -/// @brief Decodes module nominal height max, in mm -/// @param[out] o_output height range encoding from SPD -/// @return FAPI2_RC_SUCCESS if okay -/// @note SPD Byte 128 (Bits 4~0) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 2 -/// @note Page 4.1.2.12 - 48 -/// -fapi2::ReturnCode decoder_v1_0::max_module_nominal_height(uint8_t& o_output) const -{ - const uint8_t l_field_bits = extract_spd_field<MODULE_NOMINAL_HEIGHT>(iv_target, iv_spd_data); - FAPI_DBG("Field_Bits value: %d", l_field_bits); - - // This checks my extracting params returns a value within bound - constexpr size_t MAX_VALID_VALUE = 0b11111; - - FAPI_TRY( mss::check::spd::fail_for_invalid_value(iv_target, - l_field_bits <= MAX_VALID_VALUE, - MODULE_NOMINAL_HEIGHT.iv_byte, - l_field_bits, - "Failed bound check for module nominal height max") ); - - o_output = l_field_bits; - - FAPI_INF("%s. Max module nominal height: %d", - iv_target_str_storage, - o_output); - -fapi_try_exit: - return fapi2::current_err; -} - -/// -/// @brief Decodes front module maximum thickness max, in mm -/// @param[out] o_output encoding from SPD -/// @return FAPI2_RC_SUCCESS if okay -/// @note SPD Byte 129 (Bits 3~0) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 2 -/// @note Page 4.1.2.12 - 48 -/// -fapi2::ReturnCode decoder_v1_0::front_module_max_thickness(uint8_t& o_output) const -{ - // Extracting desired bits - const uint8_t l_field_bits = extract_spd_field<FRONT_MODULE_THICKNESS>(iv_target, iv_spd_data); - FAPI_DBG("Field_Bits value: %d", l_field_bits); - - // This checks my extracting params returns a value within bound - constexpr size_t MAX_VALID_VALUE = 0b1111; - - FAPI_TRY( mss::check::spd::fail_for_invalid_value(iv_target, - l_field_bits <= MAX_VALID_VALUE, - FRONT_MODULE_THICKNESS.iv_byte, - l_field_bits, - "Failed bound check for front module max thickness") ); - - o_output = l_field_bits; - - FAPI_INF("%s. Front module max thickness: %d", - iv_target_str_storage, - o_output); - -fapi_try_exit: - return fapi2::current_err; - -} - -/// -/// @brief Decodes back module maximum thickness max, in mm -/// @param[out] o_output encoding from SPD -/// @return FAPI2_RC_SUCCESS if okay -/// @note SPD Byte 129 (Bits 7~4) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 2 -/// @note Page 4.1.2.12 - 48 -/// -fapi2::ReturnCode decoder_v1_0::back_module_max_thickness(uint8_t& o_output) const -{ - // Extracting desired bits - const uint8_t l_field_bits = extract_spd_field<BACK_MODULE_THICKNESS>(iv_target, iv_spd_data); - FAPI_DBG("Field_Bits value: %d", l_field_bits); - - // This checks my extracting params returns a value within bound - constexpr size_t MAX_VALID_VALUE = 0b1111; - - FAPI_TRY( mss::check::spd::fail_for_invalid_value(iv_target, - l_field_bits <= MAX_VALID_VALUE, - BACK_MODULE_THICKNESS.iv_byte, - l_field_bits, - "Failed bound check for back module max thickness") ); - - o_output = l_field_bits; - - FAPI_INF("%s. Back module max thickness: %d", - iv_target_str_storage, - o_output); - -fapi_try_exit: - return fapi2::current_err; - -} - -/// -/// @brief Decodes number of registers used on RDIMM -/// @param[out] o_output encoding from SPD -/// @return FAPI2_RC_SUCCESS if okay -/// @note SPD Byte 131 (Bits 1~0) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 2 -/// @note Page 4.1.2.12 - 50 -/// -fapi2::ReturnCode decoder_v1_0::num_registers_used(uint8_t& o_output) const -{ - // Extracting desired bits - const uint8_t l_field_bits = extract_spd_field<NUM_REGS_USED>(iv_target, iv_spd_data); - FAPI_DBG("Field_Bits value: %d", l_field_bits); - - // This checks my extracting params returns a value within bound - constexpr size_t MAX_VALID_VALUE = 0b11; - - FAPI_TRY( mss::check::spd::fail_for_invalid_value(iv_target, - l_field_bits <= MAX_VALID_VALUE, - NUM_REGS_USED.iv_byte, - l_field_bits, - "Failed bound check for number of registers used on RDIMM ") ); - - o_output = l_field_bits; - - FAPI_INF("%s. Number of registers used on RDIMM : %d", - iv_target_str_storage, - o_output); - -fapi_try_exit: - return fapi2::current_err; - -} - -/// -/// @brief Decodes number of rows of DRAMs on RDIMM -/// @param[out] o_output encoding from SPD -/// @return FAPI2_RC_SUCCESS if okay -/// @note SPD Byte 131 (Bits 3~2) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 2 -/// @note Page 4.1.2.12 - 50 -/// -fapi2::ReturnCode decoder_v1_0::num_rows_of_drams(uint8_t& o_output) const -{ - // Extracting desired bits - const uint8_t l_field_bits = extract_spd_field<ROWS_OF_DRAMS>(iv_target, iv_spd_data); - FAPI_DBG("Field_Bits value: %d", l_field_bits); - - // This checks my extracting params returns a value within bound - constexpr size_t MAX_VALID_VALUE = 0b11; - - FAPI_TRY( mss::check::spd::fail_for_invalid_value(iv_target, - l_field_bits <= MAX_VALID_VALUE, - ROWS_OF_DRAMS.iv_byte, - l_field_bits, - "Failed bound check for number of rows of DRAMs on RDIMM ") ); - - o_output = l_field_bits; - - FAPI_INF("%s. Number of rows of DRAMs on RDIMM : %d", - iv_target_str_storage, - o_output); - -fapi_try_exit: - return fapi2::current_err; - -} - -/// -/// @brief Decodes heat spreader thermal characteristics -/// @param[out] o_output drive strength encoding from SPD -/// @return FAPI2_RC_SUCCEawSS if okay -/// @note SPD Byte 132 (Bits 6~0) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 2 -/// @note Page 4.1.2.12 - 51 -/// -fapi2::ReturnCode decoder_v1_0::heat_spreader_thermal_char(uint8_t& o_output) const -{ - // Extracting desired bits - const uint8_t l_field_bits = extract_spd_field<HEAT_SPREADER_CHAR>(iv_target, iv_spd_data); - FAPI_DBG("Field_Bits value: %d", l_field_bits); - - // This checks my extracting params returns a value within bound - constexpr size_t MAX_VALID_VALUE = 1; - - FAPI_TRY( mss::check::spd::fail_for_invalid_value(iv_target, - l_field_bits <= MAX_VALID_VALUE, - HEAT_SPREADER_CHAR.iv_byte, - l_field_bits, - "Failed bound check for heat spreader thermal characteristics") ); - - o_output = l_field_bits; - - FAPI_INF("%s. Heat spreader thermal characteristics: %d", - iv_target_str_storage, - o_output); - -fapi_try_exit: - return fapi2::current_err; -} - -/// -/// @brief Decodes heat spreader solution -/// @param[out] o_output drive strength encoding from SPD -/// @return FAPI2_RC_SUCCESS if okay -/// @note SPD Byte 132 (Bit 7) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 2 -/// @note Page 4.1.2.12 - 51 -/// -fapi2::ReturnCode decoder_v1_0::heat_spreader_solution(uint8_t& o_output) const -{ - // Extracting desired bits - const uint8_t l_field_bits = extract_spd_field<HEAT_SPREADER_SOL>(iv_target, iv_spd_data); - FAPI_DBG("Field_Bits value: %d", l_field_bits); - - // This checks my extracting params returns a value within bound - constexpr size_t MAX_VALID_VALUE = 1; - - FAPI_TRY( mss::check::spd::fail_for_invalid_value(iv_target, - l_field_bits <= MAX_VALID_VALUE, - HEAT_SPREADER_SOL.iv_byte, - l_field_bits, - "Failed bound check for heat spreader solution") ); - - o_output = l_field_bits; - - FAPI_INF("%s. Heat spreader solution: %d", - iv_target_str_storage, - o_output); - -fapi_try_exit: - return fapi2::current_err; -} - - -/// -/// @brief Decodes number of continuation codes -/// @param[out] o_output encoding from SPD -/// @return FAPI2_RC_SUCCESS if okay -/// @note SPD Byte 133 (bit 6~0) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 2 -/// @note Page 4.1.2.12 - 51 -/// -fapi2::ReturnCode decoder_v1_0::num_continuation_codes(uint8_t& o_output) const -{ - // Extracting desired bits - const uint8_t l_field_bits = extract_spd_field<CONTINUATION_CODES>(iv_target, iv_spd_data); - FAPI_DBG("Field_Bits value: %d", l_field_bits); - - // This checks my extracting params returns a value within bound - constexpr size_t MAX_VALID_VALUE = 10; // JEP106AS - - FAPI_TRY( mss::check::spd::fail_for_invalid_value(iv_target, - l_field_bits <= MAX_VALID_VALUE, - CONTINUATION_CODES.iv_byte, - l_field_bits, - "Failed bound check for number of continuation codes") ); - - o_output = l_field_bits; - - FAPI_INF("%s. Number of continuation codes: %d", - iv_target_str_storage, - o_output); - -fapi_try_exit: - return fapi2::current_err; - -} - -/// -/// @brief Decodes register manufacturer ID code -/// @param[out] o_output drive strength encoding from SPD -/// @return FAPI2_RC_SUCCESS if okay -/// @note SPD Byte 134 (bit 7~0) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 2 -/// @note Page 4.1.2.12 - 51 -/// -fapi2::ReturnCode decoder_v1_0::reg_manufacturer_id_code(uint8_t& o_output) const -{ - constexpr size_t BYTE_INDEX = 134; - uint8_t l_raw_byte = iv_spd_data[BYTE_INDEX]; - - // Trace in the front assists w/ debug - FAPI_INF("%s SPD data at Byte %d: 0x%llX.", - iv_target_str_storage, - BYTE_INDEX, - l_raw_byte); - - o_output = l_raw_byte; - - FAPI_INF("%s. Manufacturer ID code: %d", - iv_target_str_storage, - o_output); - - return fapi2::FAPI2_RC_SUCCESS; -} - -/// -/// @brief Decodes register revision number -/// @param[out] o_output drive strength encoding from SPD -/// @return FAPI2_RC_SUCCESS if okay -/// @note SPD Byte 135 (bit 7~0) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 2 -/// @note Page 4.1.2.12 - 51 -/// -fapi2::ReturnCode decoder_v1_0::register_rev_num(uint8_t& o_output) const -{ - constexpr size_t BYTE_INDEX = 135; - uint8_t l_raw_byte = iv_spd_data[BYTE_INDEX]; - - // Trace in the front assists w/ debug - FAPI_INF("%s SPD data at Byte %d: 0x%llX.", - iv_target_str_storage, - BYTE_INDEX, - l_raw_byte); - - o_output = l_raw_byte; - - FAPI_INF("%s. Register revision number: %d", - iv_target_str_storage, - o_output); - - return fapi2::FAPI2_RC_SUCCESS; -} - -/// -/// @brief Decodes address mapping from register to dram -/// @param[out] o_output drive strength encoding from SPD -/// @return FAPI2_RC_SUCCESS if okay -/// @note SPD Byte 136 (bit 0) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 2 -/// @note Page 4.1.2.12 - 52 -/// -fapi2::ReturnCode decoder_v1_0::register_to_dram_addr_mapping(uint8_t& o_output) const -{ - // Extracting desired bits - const uint8_t l_field_bits = extract_spd_field<ADDR_MAPPING>(iv_target, iv_spd_data); - FAPI_DBG("Field_Bits value: %d", l_field_bits); - - // This checks my extracting params returns a value within bound - constexpr size_t RESERVED = 0b11; - - FAPI_TRY( mss::check::spd::fail_for_invalid_value(iv_target, - l_field_bits < RESERVED, // extract sanity check - ADDR_MAPPING.iv_byte, - l_field_bits, - "Failed bound check for to register to dram addr mapping") ); - - o_output = l_field_bits; - - FAPI_INF("%s. Address mapping from register to dram: %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 drive strength encoding from SPD -/// @return FAPI2_RC_SUCCESS if okay -/// @note SPD Byte 137 (bit 1~0) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 2 -/// @note Page 4.1.2.12 - 53 -/// -fapi2::ReturnCode decoder_v1_0::cke_signal_output_driver(uint8_t& o_output) const -{ - // Extracting desired bits - const uint8_t l_field_bits = extract_spd_field<CKE_DRIVER>(iv_target, iv_spd_data); - FAPI_DBG("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 - CKE_DRIVER.iv_byte, - l_field_bits, - "Failed bounds check for Register Output Driver for CKE") ); - - 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 drive strength encoding from SPD -/// @return FAPI2_RC_SUCCESS if okay -/// @note SPD Byte 137 (bit 3~2) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 2 -/// @note Page 4.1.2.12 - 53 -/// -fapi2::ReturnCode decoder_v1_0::odt_signal_output_driver(uint8_t& o_output) const -{ - // Extracting desired bits - const uint8_t l_field_bits = extract_spd_field<ODT_DRIVER>(iv_target, iv_spd_data); - FAPI_DBG("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 - ODT_DRIVER.iv_byte, - l_field_bits, - "Failed bounds check for Register Output Driver for ODT") ); - - 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 command/address (CA) signal -/// @param[out] o_output drive strength encoding from SPD -/// @return FAPI2_RC_SUCCESS if okay -/// @note SPD Byte 137 (bit 5~4) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 2 -/// @note Page 4.1.2.12 - 53 -/// -fapi2::ReturnCode decoder_v1_0::ca_signal_output_driver(uint8_t& o_output) const -{ - // Extracting desired bits - const uint8_t l_field_bits = extract_spd_field<CA_DRIVER>(iv_target, iv_spd_data); - FAPI_DBG("Field_Bits value: %d", l_field_bits); - - // This checks my extracting params returns a value within bound - constexpr size_t INVALID_VAL = 3; - - FAPI_TRY( mss::check::spd::fail_for_invalid_value(iv_target, - l_field_bits < INVALID_VAL, // extract sanity check - CA_DRIVER.iv_byte, - l_field_bits, - "Failed bounds check for Register Output Driver for CA") ); - - o_output = l_field_bits; - - FAPI_INF("%s. Register Output Driver for CA: %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 drive strength encoding from SPD -/// @return FAPI2_RC_SUCCESS if okay -/// @note SPD Byte 137 (bit 6~7) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 2 -/// @note Page 4.1.2.12 - 53 -/// -fapi2::ReturnCode decoder_v1_0::cs_signal_output_driver(uint8_t& o_output) const -{ - // Extracting desired bits - const uint8_t l_field_bits = extract_spd_field<CS_DRIVER>(iv_target, iv_spd_data); - FAPI_DBG("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 - CS_DRIVER.iv_byte, - l_field_bits, - "Failed bounds check for Register Output Driver for CS") ); - - 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 (bit 1~0) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 2 -/// @note Page 4.1.2.12 - 53 -/// -fapi2::ReturnCode decoder_v1_0::b_side_clk_output_driver(uint8_t& o_output) const -{ - // Extracting desired bits - const uint8_t l_field_bits = extract_spd_field<YO_Y2_DRIVER>(iv_target, iv_spd_data); - FAPI_DBG("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 - YO_Y2_DRIVER.iv_byte, - l_field_bits, - "Failed bounds check for Register Output Driver for clock (Y0,Y2)") ); - - 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 (bit 3~2) -/// @note Item JEDEC Standard No. 21-C -/// @note DDR4 SPD Document Release 2 -/// @note Page 4.1.2.12 - 53 -/// -fapi2::ReturnCode decoder_v1_0::a_side_clk_output_driver(uint8_t& o_output) const -{ - // Extracting desired bits - const uint8_t l_field_bits = extract_spd_field<Y1_Y3_DRIVER>(iv_target, iv_spd_data); - FAPI_DBG("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, - Y1_Y3_DRIVER.iv_byte, - l_field_bits, - "Failed bounds check for Register Output Driver for clock (Y1,Y3)") ); - - 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; -} - -}// rdimm -}// ddr4 -}// spd -}// mss |
