/** @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 // GLOBAL_REMOVE_IF_UNREFERENCED const UINT8 mDqByteMapUpXtreme[2][6][2] = { // Channel 0: { { 0x0F, 0xF0 }, // CLK0 goes to package 0 - Bytes[3:0], CLK1 goes to package 1 - Bytes[7:4] { 0x00, 0xF0 }, // CmdN does not have CAA, CAB goes to Bytes[7:4] { 0x0F, 0xF0 }, // CmdS CAA goes to Bytes[3:0], CmdS CAB goes to Byte[7:4] { 0x0F, 0x00 }, // CKE CAA goes to Bytes[3:0], CKE does not have CAB { 0xFF, 0x00 }, // CTL (CS) goes to all bytes { 0xFF, 0x00 } // CA Vref is one for all bytes }, // Channel 1: { { 0x33, 0xCC }, // CLK0 goes to package 0 - Bytes[3:0], CLK1 goes to package 1 - Bytes[7:4] { 0x00, 0xCC }, // CmdN does not have CAA, CAB goes to Bytes[7:4] { 0x33, 0xCC }, // CmdS CAA goes to Bytes[3:0], CmdS CAB goes to Byte[7:4] { 0x33, 0x00 }, // CKE CAA goes to Bytes[3:0], CKE does not have CAB { 0xFF, 0x00 }, // CTL (CS) goes to all bytes { 0xFF, 0x00 } // CA Vref is one for all bytes } }; // // DQS byte swizzling between CPU and DRAM // GLOBAL_REMOVE_IF_UNREFERENCED const UINT8 mDqsMapCpu2DramUpXtreme[2][8] = { { 0, 1, 3, 2, 4, 5, 6, 7 }, // Channel 0 { 1, 0, 4, 5, 2, 3, 6, 7 } // Channel 1 }; // // Reference RCOMP resistors on motherboard // GLOBAL_REMOVE_IF_UNREFERENCED const UINT16 RcompResistorUpXtreme[SA_MRC_MAX_RCOMP] = { 121, 75, 100 }; // // RCOMP target values for RdOdt, WrDS, WrDSCmd, WrDSCtl, WrDSClk // GLOBAL_REMOVE_IF_UNREFERENCED const UINT16 RcompTargetUpXtreme[SA_MRC_MAX_RCOMP_TARGETS] = { 60, 26, 20, 20, 26 }; #endif // _BOARD_SA_CONFIG_PRE_MEM_H_