/** @file PEI Boards Configurations for PreMem phase. Copyright (c) 2020, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent **/ #ifndef _BOARD_SA_CONFIG_PRE_MEM_H_ #define _BOARD_SA_CONFIG_PRE_MEM_H_ #include #include // for MRC Configuration #include // for PCIE RTD3 GPIO #include // for GPIO definition #include #include // for Root Port number #include // for Root Port number // // The following section contains board-specific CMD/CTL/CLK and DQ/DQS mapping, needed for LPDDR3/LPDDR4 // // // DQByteMap[0] - ClkDQByteMap: // If clock is per rank, program to [0xFF, 0xFF] // If clock is shared by 2 ranks, program to [0xFF, 0] or [0, 0xFF] // If clock is shared by 2 ranks but does not go to all bytes, // Entry[i] defines which DQ bytes Group i services // DQByteMap[1] - CmdNDQByteMap: Entry[0] is CmdN/CAA and Entry[1] is CmdN/CAB // DQByteMap[2] - CmdSDQByteMap: Entry[0] is CmdS/CAA and Entry[1] is CmdS/CAB // DQByteMap[3] - CkeDQByteMap : Entry[0] is CKE /CAA and Entry[1] is CKE /CAB // For DDR, DQByteMap[3:1] = [0xFF, 0] // DQByteMap[4] - CtlDQByteMap : Always program to [0xFF, 0] since we have 1 CTL / rank // Variable only exists to make the code easier to use // DQByteMap[5] - CmdVDQByteMap: Always program to [0xFF, 0] since we have 1 CA Vref // Variable only exists to make the code easier to use // // // DQ byte mapping to CMD/CTL/CLK, from the CPU side - for BoardIdCometLakeULpddr3Rvp // GLOBAL_REMOVE_IF_UNREFERENCED const UINT8 DqByteMapCmlULpddr3Rvp[2][6][2] = { // Channel 0: { { 0xF0, 0x0F }, { 0x00, 0x0F }, { 0xF0, 0x0F }, { 0xF0, 0x00 }, { 0xFF, 0x00 }, { 0xFF, 0x00 } }, // Channel 1: { { 0x0F, 0xF0 }, { 0x00, 0xF0 }, { 0x0F, 0xF0 }, { 0x0F, 0x00 }, { 0xFF, 0x00 }, { 0xFF, 0x00 } } }; // // DQS byte swizzling between CPU and DRAM - for CML-U LPDDR3 RVP // GLOBAL_REMOVE_IF_UNREFERENCED const UINT8 DqsMapCpu2DramCmlULpddr3Rvp[2][8] = { { 5, 6, 7, 4, 1, 0, 2, 3 }, // Channel 0 { 2, 3, 1, 0, 6, 4, 5, 7 } // Channel 1 }; // // Reference RCOMP resistors on motherboard - for CML-U LPDDR3 RVP // const UINT16 RcompResistorCmlULpKc[SA_MRC_MAX_RCOMP] = { 200, 81, 162 }; // // RCOMP target values for RdOdt, WrDS, WrDSCmd, WrDSCtl, WrDSClk - for CML-U LPDDR3 RVP // const UINT16 RcompTargetCmlULpKc[SA_MRC_MAX_RCOMP_TARGETS] = { 100, 40, 40, 23, 40 }; #endif // _BOARD_SA_CONFIG_PRE_MEM_H_