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Diffstat (limited to 'src/vendorcode/amd/agesa/f12/Proc/Fch/Pcie/Family/Hudson2/Hudson2AbEnvService.c')
-rwxr-xr-x | src/vendorcode/amd/agesa/f12/Proc/Fch/Pcie/Family/Hudson2/Hudson2AbEnvService.c | 360 |
1 files changed, 360 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f12/Proc/Fch/Pcie/Family/Hudson2/Hudson2AbEnvService.c b/src/vendorcode/amd/agesa/f12/Proc/Fch/Pcie/Family/Hudson2/Hudson2AbEnvService.c new file mode 100755 index 0000000000..b6a7a74d0c --- /dev/null +++ b/src/vendorcode/amd/agesa/f12/Proc/Fch/Pcie/Family/Hudson2/Hudson2AbEnvService.c @@ -0,0 +1,360 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * Config Hudson2 AB + * + * Init AB bridge. + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: FCH + * @e \$Revision: 48048 $ @e \$Date: 2011-03-03 10:13:06 +0800 (Thu, 03 Mar 2011) $ + * + */ +/* +***************************************************************************** +* +* Copyright (c) 2011, Advanced Micro Devices, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Advanced Micro Devices, Inc. nor the names of + * its contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +**************************************************************************** +*/ +#include "FchPlatform.h" +#include "Filecode.h" +#define FILECODE PROC_FCH_PCIE_FAMILY_HUDSON2_HUDSON2ABENVSERVICE_FILECODE + +// +// Declaration of local functions +// +VOID AbCfgTbl (IN AB_TBL_ENTRY *ABTbl, IN AMD_CONFIG_PARAMS *StdHeader); + +/** + * Hudson2PcieOrderRule - AB-Link Configuration Table for ablink + * Post Pass Np Downstream/Upstream Feature + * + */ +AB_TBL_ENTRY Hudson2PcieOrderRule[] = +{ + // + // abPostPassNpDownStreamTbl + // + {ABCFG, FCH_ABCFG_REG10060, BIT31, BIT31}, + {ABCFG, FCH_ABCFG_REG1009C, BIT4 + BIT5, BIT4 + BIT5}, + {ABCFG, FCH_ABCFG_REG9C, BIT2 + BIT3 + BIT4 + BIT5 + BIT6 + BIT7, BIT2 + BIT3 + BIT4 + BIT5 + BIT6 + BIT7}, + {ABCFG, FCH_ABCFG_REG90, BIT21 + BIT22 + BIT23, BIT21 + BIT22 + BIT23}, + {ABCFG, FCH_ABCFG_REGF0, BIT6 + BIT5, BIT6 + BIT5}, + {AXINDC, FCH_AX_INDXC_REG02, BIT9, BIT9}, + {ABCFG, FCH_ABCFG_REG10090, BIT9 + BIT10 + BIT11 + BIT12, BIT9 + BIT10 + BIT11 + BIT12}, + + // + // abPostPassNpUpStreamTbl + // + {ABCFG, FCH_ABCFG_REG58, BIT10, BIT10}, + {ABCFG, FCH_ABCFG_REGF0, BIT3 + BIT4, BIT3 + BIT4}, + {ABCFG, FCH_ABCFG_REG54, BIT1, BIT1}, + { (UINT8)0xFF, (UINT8)0xFF, (UINT8)0xFF, (UINT8)0xFF}, +}; + +/** + * Hudson2InitEnvAbTable - AB-Link Configuration Table for Hudson2 + * + */ +AB_TBL_ENTRY Hudson2InitEnvAbTable[] = +{ + // + // Enable downstream posted transactions to pass non-posted transactions. + // + {ABCFG, FCH_ABCFG_REG10090, BIT8 + BIT16, BIT8 + BIT16}, + + // + // Enable Hudson-2 to issue memory read/write requests in the upstream direction. + // + {AXCFG, FCH_AB_REG04, BIT2, BIT2}, + + // + // Enabling IDE/PCIB Prefetch for Performance Enhancement + // PCIB prefetch ABCFG 0x10060 [20] = 1 ABCFG 0x10064 [20] = 1 + // + {ABCFG, FCH_ABCFG_REG10060, BIT20, BIT20}, /// PCIB prefetch enable + {ABCFG, FCH_ABCFG_REG10064, BIT20, BIT20}, /// PCIB prefetch enable + + // + // Controls the USB OHCI controller prefetch used for enhancing performance of ISO out devices. + // Setting B-Link Prefetch Mode (ABCFG 0x80 [18:17] = 11) + // + {ABCFG, FCH_ABCFG_REG80, BIT0 + BIT17 + BIT18, BIT0 + BIT17 + BIT18}, + + // + // Enabled SMI ordering enhancement. ABCFG 0x90[21] + // USB Delay A-Link Express L1 State. ABCFG 0x90[17] + // + {ABCFG, FCH_ABCFG_REG90, BIT21 + BIT17, BIT21 + BIT17}, + + // + // Disable the credit variable in the downstream arbitration equation + // Register bit to qualify additional address bits into downstream register programming. (A12 BIT1 default is set) + // + {ABCFG, FCH_ABCFG_REG9C, BIT0, BIT0}, + + // + // Enabling Detection of Upstream Interrupts ABCFG 0x94 [20] = 1 + // ABCFG 0x94 [19:0] = cpu interrupt delivery address [39:20] + // + {ABCFG, FCH_ABCFG_REG94, BIT20, BIT20 + 0x00FEE}, + + // + // Programming cycle delay for AB and BIF clock gating + // Enable the AB and BIF clock-gating logic. + // Enable the A-Link int_arbiter enhancement to allow the A-Link bandwidth to be used more efficiently + // Enable the requester ID for upstream traffic. [16]: SB/NB link [17]: GPP + // + {ABCFG, FCH_ABCFG_REG10054, 0x00FFFFFF, 0x010407FF}, + {ABCFG, FCH_ABCFG_REG98, 0xFFFC00FF, 0x00034700}, + {ABCFG, FCH_ABCFG_REG54, 0x00FF0000, 0x00040000}, + + // + // Non-Posted Memory Write Support + // + {AXINDC, FCH_AX_INDXC_REG10, BIT9, BIT9}, + + // + // UMI L1 Configuration + //Step 1: AXINDC_Reg 0x02[0] = 0x1 Set REGS_DLP_IGNORE_IN_L1_EN to ignore DLLPs during L1 so that txclk can be turned off. + //Step 2: AXINDP_Reg 0x02[15] = 0x1 Sets REGS_LC_ALLOW_TX_L1_CONTROL to allow TX to prevent LC from going to L1 when there are outstanding completions. + // + {AXINDC, FCH_AX_INDXC_REG02, BIT0, BIT0}, + {AXINDP, FCH_AX_INDXP_REG02, BIT15, BIT15}, + {ABCFG, 0, 0, (UINT8) 0xFF}, /// This dummy entry is to clear ab index + { (UINT8)0xFF, (UINT8)0xFF, (UINT8)0xFF, (UINT8)0xFF}, +}; + +/** + * FchInitEnvAbLinkInit - Set ABCFG registers before PCI + * emulation. + * + * + * @param[in] FchDataPtr Fch configuration structure pointer. + * + */ +VOID +FchInitEnvAbLinkInit ( + IN VOID *FchDataPtr + ) +{ + UINT32 AbValue; + UINT16 AbTempVar; + UINT8 AbValue8; + UINT8 FchALinkClkGateOff; + UINT8 FchBLinkClkGateOff; + UINT32 FchResetCpuOnSyncFlood; + AB_TBL_ENTRY *AbTblPtr; + FCH_DATA_BLOCK *LocalCfgPtr; + AMD_CONFIG_PARAMS *StdHeader; + + LocalCfgPtr = (FCH_DATA_BLOCK *) FchDataPtr; + StdHeader = LocalCfgPtr->StdHeader; + + FchALinkClkGateOff = (UINT8) LocalCfgPtr->Ab.ALinkClkGateOff; + FchBLinkClkGateOff = (UINT8) LocalCfgPtr->Ab.BLinkClkGateOff; + // + // AB CFG programming + // + if ( LocalCfgPtr->Ab.SlowSpeedAbLinkClock ) { + RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG40, AccessWidth8, ~BIT1, BIT1); + } else { + RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG40, AccessWidth8, ~BIT1, 0); + } + + // + // Read Arbiter address, Arbiter address is in PMIO 6Ch + // + ReadMem (ACPI_MMIO_BASE + PMIO_BASE + FCH_PMIOA_REG6C, AccessWidth16, &AbTempVar); + /// Write 0 to enable the arbiter + AbValue8 = 0; + LibAmdIoWrite (AccessWidth8, AbTempVar, &AbValue8, StdHeader); + + + FchResetCpuOnSyncFlood = LocalCfgPtr->Ab.ResetCpuOnSyncFlood; + + if ( LocalCfgPtr->Ab.PcieOrderRule == 1 ) { + AbTblPtr = (AB_TBL_ENTRY *) (&Hudson2PcieOrderRule[0]); + AbCfgTbl (AbTblPtr, StdHeader); + } + + if ( LocalCfgPtr->Ab.PcieOrderRule == 2 ) { + RwAlink (FCH_ABCFG_REG10090 | (UINT32) (ABCFG << 29), ~ (UINT32) (0x7 << 10), (UINT32) (0x7 << 10), StdHeader); + RwAlink (FCH_ABCFG_REG58 | (UINT32) (ABCFG << 29), ~ (UINT32) (0x1F << 11), (UINT32) (0x1C << 11), StdHeader); + RwAlink (FCH_ABCFG_REGB4 | (UINT32) (ABCFG << 29), ~ (UINT32) (0x3 << 0), (UINT32) (0x3 << 0), StdHeader); + } + + AbTblPtr = (AB_TBL_ENTRY *) (&Hudson2InitEnvAbTable[0]); + AbCfgTbl (AbTblPtr, StdHeader); + + if ( FchResetCpuOnSyncFlood ) { + RwAlink (FCH_ABCFG_REG10050 | (UINT32) (ABCFG << 29), ~BIT2, BIT2, StdHeader); + } + + if ( LocalCfgPtr->Ab.AbClockGating ) { + RwAlink (FCH_ABCFG_REG10054 | (UINT32) (ABCFG << 29), ~ (UINT32) (0xFF << 16), (UINT32) (0x4 << 16), StdHeader); + RwAlink (FCH_ABCFG_REG54 | (UINT32) (ABCFG << 29), ~ (UINT32) (0xFF << 16), (UINT32) (0x4 << 16), StdHeader); + RwAlink (FCH_ABCFG_REG10054 | (UINT32) (ABCFG << 29), ~ (UINT32) (0x1 << 24), (UINT32) (0x1 << 24), StdHeader); + RwAlink (FCH_ABCFG_REG54 | (UINT32) (ABCFG << 29), ~ (UINT32) (0x1 << 24), (UINT32) (0x1 << 24), StdHeader); + } else { + RwAlink (FCH_ABCFG_REG10054 | (UINT32) (ABCFG << 29), ~ (UINT32) (0x1 << 24), (UINT32) (0x0 << 24), StdHeader); + RwAlink (FCH_ABCFG_REG54 | (UINT32) (ABCFG << 29), ~ (UINT32) (0x1 << 24), (UINT32) (0x0 << 24), StdHeader); + } + + + if ( LocalCfgPtr->Ab.GppClockGating ) { + RwAlink (FCH_ABCFG_REG98 | (UINT32) (ABCFG << 29), ~ (UINT32) (0xF << 12), (UINT32) (0x4 << 12), StdHeader); + RwAlink (FCH_ABCFG_REG98 | (UINT32) (ABCFG << 29), ~ (UINT32) (0xF << 8), (UINT32) (0x7 << 8), StdHeader); + RwAlink (FCH_ABCFG_REG90 | (UINT32) (ABCFG << 29), ~ (UINT32) (0x1 << 0), (UINT32) (0x1 << 0), StdHeader); + } else { + RwAlink (FCH_ABCFG_REG98 | (UINT32) (ABCFG << 29), ~ (UINT32) (0xF << 8), (UINT32) (0x0 << 8), StdHeader); + RwAlink (FCH_ABCFG_REG90 | (UINT32) (ABCFG << 29), ~ (UINT32) (0x1 << 0), (UINT32) (0x0 << 0), StdHeader); + } + + if ( LocalCfgPtr->Ab.UmiL1TimerOverride ) { + RwAlink (FCH_ABCFG_REG90 | (UINT32) (ABCFG << 29), ~ (UINT32) (0x7 << 12), (UINT32) (LocalCfgPtr->Ab.UmiL1TimerOverride << 12), StdHeader); + RwAlink (FCH_ABCFG_REG90 | (UINT32) (ABCFG << 29), ~ (UINT32) (0x1 << 15), (UINT32) (0x1 << 15), StdHeader); + } + + if ( LocalCfgPtr->Ab.UmiLinkWidth ) { +// RwAlink (FCH_ABCFG_REG54 | (UINT32) (ABCFG << 29), ~ (UINT32) (0xFF << 16), (UINT32) (0x4 << 16)); + } + + if ( LocalCfgPtr->Ab.UmiDynamicSpeedChange ) { + RwAlink ((UINT32) FCH_AX_INDXP_REGA4, ~ (UINT32) (0x1 << 0), (UINT32) (0x1 << 0), StdHeader); + RwAlink ((UINT32) FCH_AX_CFG_REG88, ~ (UINT32) (0xF << 0), (UINT32) (0x2 << 0), StdHeader); + RwAlink ((UINT32) FCH_AX_INDXP_REGA4, ~ (UINT32) (0x1 << 18), (UINT32) (0x1 << 18), StdHeader); + } + + if ( LocalCfgPtr->Ab.PcieRefClockOverClocking ) { +// RwAlink (FCH_ABCFG_REG54 | (UINT32) (ABCFG << 29), ~ (UINT32) (0xFF << 16), (UINT32) (0x4 << 16)); + } + + if ( LocalCfgPtr->Ab.UmiGppTxDriverStrength ) { + RwAlink (FCH_ABCFG_REGA8 | (UINT32) (ABCFG << 29), ~ (UINT32) (0x3 << 18), (UINT32) ((LocalCfgPtr->Ab.UmiGppTxDriverStrength - 1) << 18), StdHeader); + RwAlink (FCH_ABCFG_REGA0 | (UINT32) (ABCFG << 29), ~ (UINT32) (0x1 << 8), (UINT32) (0x1 << 8), StdHeader); + } + + if ( LocalCfgPtr->Gpp.PcieAer ) { +// RwAlink (FCH_ABCFG_REG54 | (UINT32) (ABCFG << 29), ~ (UINT32) (0xFF << 16), (UINT32) (0x4 << 16)); + } + + if ( LocalCfgPtr->Gpp.PcieRas ) { +// RwAlink (FCH_ABCFG_REG54 | (UINT32) (ABCFG << 29), ~ (UINT32) (0xFF << 16), (UINT32) (0x4 << 16)); + } + + // + // Ab Bridge MSI + // + if ( LocalCfgPtr->Ab.AbMsiEnable) { + AbValue = ReadAlink (FCH_ABCFG_REG94 | (UINT32) (ABCFG << 29), StdHeader); + AbValue = AbValue | BIT20; + WriteAlink (FCH_ABCFG_REG94 | (UINT32) (ABCFG << 29), AbValue, StdHeader); + } + + // + // A/B Clock Gate-OFF + // + if ( FchALinkClkGateOff ) { + RwMem (ACPI_MMIO_BASE + MISC_BASE + 0x2E, AccessWidth8, 0xFE, BIT0); + } else { + RwMem (ACPI_MMIO_BASE + MISC_BASE + 0x2E, AccessWidth8, 0xFE, 0x00); + } + + if ( FchBLinkClkGateOff ) { + //RwMem (ACPI_MMIO_BASE + MISC_BASE + 0x2D, AccessWidth8, 0xEF, 0x10); /// A11 Only + RwMem (ACPI_MMIO_BASE + MISC_BASE + 0x2E, AccessWidth8, 0xFD, BIT1); + } else { + RwMem (ACPI_MMIO_BASE + MISC_BASE + 0x2E, AccessWidth8, 0xFD, 0x00); + } +} + +/** + * AbCfgTbl - Program ABCFG by input table. + * + * + * @param[in] ABTbl ABCFG config table. + * @param[in] StdHeader + * + */ +VOID +AbCfgTbl ( + IN AB_TBL_ENTRY *ABTbl, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 AbValue; + + while ( (ABTbl->RegType) != 0xFF ) { + if ( ABTbl->RegType == AXINDC ) { + AbValue = 0x30 | (ABTbl->RegType << 29); + WriteAlink (AbValue, (ABTbl->RegIndex & 0x00FFFFFF), StdHeader); + AbValue = 0x34 | (ABTbl->RegType << 29); + WriteAlink (AbValue, ((ReadAlink (AbValue, StdHeader)) & (0xFFFFFFFF^ (ABTbl->RegMask))) | ABTbl->RegData, StdHeader); + } else if ( ABTbl->RegType == AXINDP ) { + AbValue = 0x38 | (ABTbl->RegType << 29); + WriteAlink (AbValue, (ABTbl->RegIndex & 0x00FFFFFF), StdHeader); + AbValue = 0x3C | (ABTbl->RegType << 29); + WriteAlink (AbValue, ((ReadAlink (AbValue, StdHeader)) & (0xFFFFFFFF^ (ABTbl->RegMask))) | ABTbl->RegData, StdHeader); + } else { + AbValue = ABTbl->RegIndex | (ABTbl->RegType << 29); + WriteAlink (AbValue, ((ReadAlink (AbValue, StdHeader)) & (0xFFFFFFFF^ (ABTbl->RegMask))) | ABTbl->RegData, StdHeader); + } + + ++ABTbl; + } + + // + //Clear ALink Access Index + // + AbValue = 0; + LibAmdIoWrite (AccessWidth32, ALINK_ACCESS_INDEX, &AbValue, StdHeader); +} + +/** + * Is UMI One Lane GEN1 Mode? + * + * + * @retval TRUE or FALSE + * + */ +BOOLEAN +IsUmiOneLaneGen1Mode ( + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 AbValue; + + AbValue = ReadAlink ((UINT32) (FCH_AX_CFG_REG68), StdHeader); + AbValue >>= 16; + if (((AbValue & 0x0f) == 1) && ((AbValue & 0x03f0) == 0x0010)) { + return (TRUE); + } else { + return (FALSE); + } +} |