/* IBM_PROLOG_BEGIN_TAG */ /* This is an automatically generated prolog. */ /* */ /* $Source: src/import/chips/centaur/procedures/hwp/memory/p9c_dimmBadDqBitmapAccessHwp.H $ */ /* */ /* 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 p9c_dimmBadDqBitmapAccessHwp.H /// @brief FW Team HWP that accesses the Bad DQ Bitmap. /// /// *HWP HWP Owner: Luke Mulkey /// *HWP HWP Backup: Andre Marin /// *HWP Team: Memory /// *HWP Level: 2 /// *HWP Consumed by: HB //// // #ifndef DIMMBADDQBITMAPACCESSHWP_H_ #define DIMMBADDQBITMAPACCESSHWP_H_ #include #include typedef fapi2::ReturnCode (*p9c_dimmBadDqBitmapAccessHwp_FP_t)(const fapi2::Target&, const fapi2::Target&, const uint8_t (&)[MAX_RANKS_PER_DIMM][DIMM_DQ_RANK_BITMAP_SIZE], const bool); extern "C" { /// /// @brief FW Team HWP that accesses the Bad DQ Bitmap. /// It accesses the raw data from DIMM SPD and does /// any necessary processing to turn it into a /// bitmap from a Centaur DQ point of view. If the data in SPD is not /// valid then it has never been written and all zeroes are returned (no /// bad DQs). /// /// This HWP should be called by HWP/PLAT code to access the BAD DQ Bitmap /// /// @param[in] i_mba Reference to MBA Target /// @param[in] i_dimm Reference to DIMM Target /// @param[in,out] io_data Reference to bad DQ bitmap data for the DIMM. /// @param[in] i_get True if getting DQ Bitmap data. False if setting data. /// @return FAPI2_RC_SUCCESS iff okay /// @note that the MSB of each byte corresponds to the lowest DQ. /// if (data[1][0] == 0x80) then rank 1, Centaur DQ0 is bad /// if (data[1][0] == 0x40) then rank 1, Centaur DQ1 is bad /// if (data[1][1] == 0x20) then rank 1, Centaur DQ10 is bad /// fapi2::ReturnCode dimmBadDqBitmapAccessHwp(const fapi2::Target& i_mba, const fapi2::Target& i_dimm, uint8_t (&io_data)[MAX_RANKS_PER_DIMM][DIMM_DQ_RANK_BITMAP_SIZE], const bool i_get); } #endif