zbao | 7d94cf9 | 2012-07-02 14:19:14 +0800 | [diff] [blame] | 1 | /* $NoKeywords:$ */ |
| 2 | /** |
| 3 | * @file |
| 4 | * |
| 5 | * mfecc.c |
| 6 | * |
| 7 | * Feature ECC initialization functions |
| 8 | * |
| 9 | * @xrefitem bom "File Content Label" "Release Content" |
| 10 | * @e project: AGESA |
| 11 | * @e sub-project: (Mem/Feat/ECC) |
| 12 | * @e \$Revision: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $ |
| 13 | * |
| 14 | **/ |
| 15 | /***************************************************************************** |
| 16 | * |
Siyuan Wang | 641f00c | 2013-06-08 11:50:55 +0800 | [diff] [blame] | 17 | * Copyright (c) 2008 - 2012, Advanced Micro Devices, Inc. |
| 18 | * All rights reserved. |
| 19 | * |
| 20 | * Redistribution and use in source and binary forms, with or without |
| 21 | * modification, are permitted provided that the following conditions are met: |
| 22 | * * Redistributions of source code must retain the above copyright |
| 23 | * notice, this list of conditions and the following disclaimer. |
| 24 | * * Redistributions in binary form must reproduce the above copyright |
| 25 | * notice, this list of conditions and the following disclaimer in the |
| 26 | * documentation and/or other materials provided with the distribution. |
| 27 | * * Neither the name of Advanced Micro Devices, Inc. nor the names of |
| 28 | * its contributors may be used to endorse or promote products derived |
| 29 | * from this software without specific prior written permission. |
| 30 | * |
| 31 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| 32 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 33 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 34 | * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY |
| 35 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 36 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 37 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 38 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 39 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 40 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
zbao | 7d94cf9 | 2012-07-02 14:19:14 +0800 | [diff] [blame] | 41 | * *************************************************************************** |
| 42 | * |
| 43 | */ |
| 44 | |
| 45 | #include "AGESA.h" |
| 46 | #include "amdlib.h" |
| 47 | #include "Ids.h" |
| 48 | #include "mm.h" |
| 49 | #include "mn.h" |
| 50 | #include "mfecc.h" |
| 51 | #include "Filecode.h" |
| 52 | #include "mfmemclr.h" |
| 53 | #include "GeneralServices.h" |
| 54 | CODE_GROUP (G2_PEI) |
| 55 | RDATA_GROUP (G2_PEI) |
| 56 | |
| 57 | #define FILECODE PROC_MEM_FEAT_ECC_MFECC_FILECODE |
| 58 | /*---------------------------------------------------------------------------- |
| 59 | * DEFINITIONS AND MACROS |
| 60 | * |
| 61 | *---------------------------------------------------------------------------- |
| 62 | */ |
| 63 | |
| 64 | /*---------------------------------------------------------------------------- |
| 65 | * TYPEDEFS AND STRUCTURES |
| 66 | * |
| 67 | *---------------------------------------------------------------------------- |
| 68 | */ |
| 69 | |
| 70 | /*---------------------------------------------------------------------------- |
| 71 | * PROTOTYPES OF LOCAL FUNCTIONS |
| 72 | * |
| 73 | *---------------------------------------------------------------------------- |
| 74 | */ |
| 75 | |
| 76 | VOID |
| 77 | STATIC |
| 78 | InitECCOverriedeStruct ( |
| 79 | IN OUT MEM_NB_BLOCK *NBPtr, |
| 80 | IN OUT ECC_OVERRIDE_STRUCT *pecc_override_struct |
| 81 | ); |
| 82 | |
| 83 | BOOLEAN |
| 84 | MemFCheckECC ( |
| 85 | IN OUT MEM_NB_BLOCK *NBPtr |
| 86 | ); |
| 87 | |
| 88 | /* |
| 89 | *----------------------------------------------------------------------------- |
| 90 | * EXPORTED FUNCTIONS |
| 91 | * |
| 92 | *----------------------------------------------------------------------------- |
| 93 | */ |
| 94 | |
| 95 | extern BUILD_OPT_CFG UserOptions; |
| 96 | |
| 97 | /* -----------------------------------------------------------------------------*/ |
| 98 | /** |
| 99 | * |
| 100 | * |
| 101 | * This function checks to see if ECC can be enabled on all nodes |
| 102 | * |
| 103 | * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK |
| 104 | * |
| 105 | * @return TRUE - This feature is enabled. |
| 106 | * @return FALSE - This feature is not enabled. |
| 107 | */ |
| 108 | |
| 109 | BOOLEAN |
| 110 | MemFCheckECC ( |
| 111 | IN OUT MEM_NB_BLOCK *NBPtr |
| 112 | ) |
| 113 | { |
| 114 | DIE_STRUCT *MCTPtr; |
| 115 | MEM_SHARED_DATA *SharedPtr; |
| 116 | BOOLEAN ErrorRecovery; |
| 117 | |
| 118 | ASSERT (NBPtr != NULL); |
| 119 | |
| 120 | MCTPtr = NBPtr->MCTPtr; |
| 121 | SharedPtr = NBPtr->SharedPtr; |
| 122 | |
| 123 | ErrorRecovery = TRUE; |
| 124 | IDS_OPTION_HOOK (IDS_MEM_ERROR_RECOVERY, &ErrorRecovery, &NBPtr->MemPtr->StdHeader); |
| 125 | |
| 126 | if (MCTPtr->NodeMemSize != 0) { |
| 127 | if (SharedPtr->AllECC && MCTPtr->Status[SbEccDimms] && (ErrorRecovery || (MCTPtr->ErrCode < AGESA_ERROR))) { |
| 128 | // Clear all MCA reports before using scrubber |
| 129 | // to initialize ECC check bits |
| 130 | // |
| 131 | NBPtr->McaNbCtlReg = NBPtr->GetBitField (NBPtr, BFMcaNbCtlReg); |
| 132 | NBPtr->SetBitField (NBPtr, BFMcaNbCtlReg, 0); |
| 133 | NBPtr->SetBitField (NBPtr, BFSyncOnUcEccEn, 0); |
| 134 | // In unganged mode, set DctDctIntlv |
| 135 | if (!NBPtr->Ganged) { |
| 136 | NBPtr->SetBitField (NBPtr, BFDctDatIntLv, 1); |
| 137 | } |
| 138 | // |
| 139 | // Set Ecc Symbol Size |
| 140 | // |
| 141 | NBPtr->SetEccSymbolSize (NBPtr); |
| 142 | // If ECC can be enabled on this node, |
| 143 | // set the master ECCen bit (according to setup) |
| 144 | // |
| 145 | NBPtr->SetBitField (NBPtr, BFDramEccEn, 1); |
| 146 | // Do mem clear on current node |
| 147 | MemFMctMemClr_Init (NBPtr); |
| 148 | return TRUE; |
| 149 | } else { |
| 150 | if (SharedPtr->AllECC) { |
| 151 | SharedPtr->AllECC = FALSE; |
| 152 | } |
| 153 | // ECC requested but cannot be enabled |
| 154 | MCTPtr->Status[SbEccDimms] = FALSE; |
| 155 | MCTPtr->ErrStatus[EsbDramECCDis] = TRUE; |
| 156 | PutEventLog (AGESA_WARNING, MEM_WARNING_ECC_DIS, NBPtr->Node, 0, 0, 0, &NBPtr->MemPtr->StdHeader); |
| 157 | SetMemError (AGESA_WARNING, MCTPtr); |
| 158 | } |
| 159 | } |
| 160 | return FALSE; |
| 161 | } |
| 162 | |
| 163 | /* -----------------------------------------------------------------------------*/ |
| 164 | /** |
| 165 | * |
| 166 | * |
| 167 | * This function initializes the ECC on all nodes |
| 168 | * |
| 169 | * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK |
| 170 | * |
| 171 | * @return TRUE - This feature is enabled. |
| 172 | * @return FALSE - This feature is not enabled. |
| 173 | */ |
| 174 | |
| 175 | BOOLEAN |
| 176 | MemFInitECC ( |
| 177 | IN OUT MEM_NB_BLOCK *NBPtr |
| 178 | ) |
| 179 | { |
| 180 | UINT8 Node; |
| 181 | UINT32 ScrubAddrRJ16; |
| 182 | DIE_STRUCT *MCTPtr; |
| 183 | MEM_SHARED_DATA *SharedPtr; |
| 184 | ECC_OVERRIDE_STRUCT ecc_override_struct; |
| 185 | BOOLEAN Flag; |
| 186 | |
| 187 | InitECCOverriedeStruct (NBPtr, &ecc_override_struct); |
| 188 | IDS_OPTION_HOOK (IDS_ECC, &ecc_override_struct, &(NBPtr->MemPtr->StdHeader)); |
| 189 | |
| 190 | ASSERT (NBPtr != NULL); |
| 191 | |
| 192 | MCTPtr = NBPtr->MCTPtr; |
| 193 | Node = MCTPtr->NodeId; |
| 194 | SharedPtr = NBPtr->SharedPtr; |
| 195 | Flag = TRUE; |
| 196 | |
| 197 | NBPtr->FamilySpecificHook[ScrubberErratum] (NBPtr, (VOID *) &Flag); |
| 198 | |
| 199 | if ((MCTPtr->Status[SbEccDimms]) && (SharedPtr->AllECC)) { |
| 200 | // Check if the input dram scrub rate is supported or not |
| 201 | ASSERT (ecc_override_struct.CfgScrubDramRate <= 0x16); |
| 202 | if (ecc_override_struct.CfgScrubDramRate != 0) { |
| 203 | // Program scrub address, |
| 204 | // let the scrub Addr be the Base of this Node |
| 205 | // Only enable Dram scrubber when there is memory on current node |
| 206 | // |
| 207 | NBPtr->SetBitField (NBPtr, BFScrubReDirEn, 0); |
| 208 | ScrubAddrRJ16 = (NBPtr->GetBitField (NBPtr, BFDramBaseReg0 + Node) & 0xFFFF0000) >> 8; |
| 209 | ScrubAddrRJ16 |= NBPtr->GetBitField (NBPtr, BFDramBaseHiReg0 + Node) << 24; |
| 210 | NBPtr->SetBitField (NBPtr, BFScrubAddrLoReg, ScrubAddrRJ16 << 16); |
| 211 | NBPtr->SetBitField (NBPtr, BFScrubAddrHiReg, ScrubAddrRJ16 >> 16); |
| 212 | NBPtr->SetBitField (NBPtr, BFDramScrub, ecc_override_struct.CfgScrubDramRate); |
| 213 | } |
| 214 | } |
| 215 | // Scrub CTL for Dcache, L2, L3 |
| 216 | // Check if the input L2 scrub rate is supported or not |
| 217 | ASSERT (ecc_override_struct.CfgScrubL2Rate <= 0x16); |
| 218 | NBPtr->SetBitField (NBPtr, BFL2Scrub, ecc_override_struct.CfgScrubL2Rate); |
| 219 | // Check if the input Dcache scrub rate is supported or not |
| 220 | ASSERT (ecc_override_struct.CfgScrubDcRate <= 0x16); |
| 221 | NBPtr->SetBitField (NBPtr, BFDcacheScrub, ecc_override_struct.CfgScrubDcRate); |
| 222 | // Do not enable L3 Scrub if F3xE8[L3Capable] is 0 or F3x188[DisableL3] is 1 |
| 223 | if ((NBPtr->GetBitField (NBPtr, BFL3Capable) == 1) && (NBPtr->GetBitField (NBPtr, BFDisableL3) == 0)) { |
| 224 | // Check if input L3 scrub rate is supported or not |
| 225 | ASSERT (ecc_override_struct.CfgScrubL3Rate <= 0x16); |
| 226 | NBPtr->SetBitField (NBPtr, BFL3Scrub, ecc_override_struct.CfgScrubL3Rate); |
| 227 | } |
| 228 | |
| 229 | // Check if Dcache scrubber or L2 scrubber is enabled |
| 230 | if ((ecc_override_struct.CfgScrubL2Rate != 0) || (ecc_override_struct.CfgScrubDcRate!= 0)) { |
| 231 | // If ClkDivisor is deeper than divide-by-16 |
| 232 | if (NBPtr->GetBitField (NBPtr, BFC1ClkDivisor) > 4) { |
| 233 | // Set it to divide-by-16 |
| 234 | NBPtr->SetBitField (NBPtr, BFC1ClkDivisor, 4); |
| 235 | } |
| 236 | } |
| 237 | |
| 238 | NBPtr->SetBitField (NBPtr, BFScrubReDirEn, ecc_override_struct.CfgEccRedirection); |
| 239 | NBPtr->SetBitField (NBPtr, BFSyncOnUcEccEn, ecc_override_struct.CfgEccSyncFlood); |
| 240 | // Restore MCA reports after scrubber is done |
| 241 | // with initializing ECC check bits |
| 242 | NBPtr->SetBitField (NBPtr, BFMcaNbCtlReg, NBPtr->McaNbCtlReg); |
| 243 | |
| 244 | Flag = FALSE; |
| 245 | NBPtr->FamilySpecificHook[ScrubberErratum] (NBPtr, (VOID *) &Flag); |
| 246 | |
| 247 | return TRUE; |
| 248 | } |
| 249 | |
| 250 | VOID |
| 251 | STATIC |
| 252 | InitECCOverriedeStruct ( |
| 253 | IN OUT MEM_NB_BLOCK *NBPtr, |
| 254 | IN OUT ECC_OVERRIDE_STRUCT *pecc_override_struct |
| 255 | ) |
| 256 | { |
| 257 | // |
| 258 | // If (D18F3x44[DramEccEn]==1) THEN 1 ELSE 0 ENDIF |
| 259 | // |
| 260 | if (NBPtr->GetBitField (NBPtr, BFDramEccEn) == 1) { |
| 261 | pecc_override_struct->CfgEccRedirection = 1; |
| 262 | } else { |
| 263 | pecc_override_struct->CfgEccRedirection = 0; |
| 264 | } |
| 265 | |
| 266 | pecc_override_struct->CfgEccSyncFlood = UserOptions.CfgEccSyncFlood; |
| 267 | pecc_override_struct->CfgScrubDcRate = UserOptions.CfgScrubDcRate; |
| 268 | |
| 269 | if (UserOptions.CfgScrubDramRate != 0xFF) { |
| 270 | pecc_override_struct->CfgScrubDramRate = UserOptions.CfgScrubDramRate; |
| 271 | } else { |
| 272 | if (NBPtr->MCTPtr->NodeMemSize <= 0x4000) { |
| 273 | pecc_override_struct->CfgScrubDramRate = 0x12; // 1 ~ 1 GB |
| 274 | } else if (NBPtr->MCTPtr->NodeMemSize <= 0x8000) { |
| 275 | pecc_override_struct->CfgScrubDramRate = 0x11; // 1 GB + 1 ~ 2 GB |
| 276 | } else if (NBPtr->MCTPtr->NodeMemSize <= 0x10000) { |
| 277 | pecc_override_struct->CfgScrubDramRate = 0x10; // 2 GB + 1 ~ 4 GB |
| 278 | } else if (NBPtr->MCTPtr->NodeMemSize <= 0x20000) { |
| 279 | pecc_override_struct->CfgScrubDramRate = 0x0F; // 4 GB + 1 ~ 8 GB |
| 280 | } else if (NBPtr->MCTPtr->NodeMemSize <= 0x40000) { |
| 281 | pecc_override_struct->CfgScrubDramRate = 0x0E; // 8 GB + 1 ~ 16 GB |
| 282 | } else { |
| 283 | pecc_override_struct->CfgScrubDramRate = 0x0D; //16 GB + 1 above |
| 284 | } |
| 285 | } |
| 286 | |
| 287 | pecc_override_struct->CfgScrubL2Rate = UserOptions.CfgScrubL2Rate; |
| 288 | pecc_override_struct->CfgScrubL3Rate = UserOptions.CfgScrubL3Rate; |
| 289 | } |