zbao | 7d94cf9 | 2012-07-02 14:19:14 +0800 | [diff] [blame] | 1 | /* $NoKeywords:$ */ |
| 2 | /** |
| 3 | * @file |
| 4 | * |
| 5 | * mttecc.c |
| 6 | * |
| 7 | * Technology ECC byte support |
| 8 | * |
| 9 | * @xrefitem bom "File Content Label" "Release Content" |
| 10 | * @e project: AGESA |
| 11 | * @e sub-project: (Mem/Tech) |
| 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 | /* |
| 46 | *---------------------------------------------------------------------------- |
| 47 | * MODULES USED |
| 48 | * |
| 49 | *---------------------------------------------------------------------------- |
| 50 | */ |
| 51 | |
| 52 | |
| 53 | #include "AGESA.h" |
| 54 | #include "Ids.h" |
| 55 | #include "mm.h" |
| 56 | #include "mn.h" |
| 57 | #include "mt.h" |
| 58 | #include "Filecode.h" |
| 59 | CODE_GROUP (G1_PEICC) |
| 60 | RDATA_GROUP (G1_PEICC) |
| 61 | |
| 62 | #define FILECODE PROC_MEM_TECH_MTTECC_FILECODE |
| 63 | /*---------------------------------------------------------------------------- |
| 64 | * DEFINITIONS AND MACROS |
| 65 | * |
| 66 | *---------------------------------------------------------------------------- |
| 67 | */ |
| 68 | |
| 69 | /*---------------------------------------------------------------------------- |
| 70 | * TYPEDEFS AND STRUCTURES |
| 71 | * |
| 72 | *---------------------------------------------------------------------------- |
| 73 | */ |
| 74 | |
| 75 | /*---------------------------------------------------------------------------- |
| 76 | * PROTOTYPES OF LOCAL FUNCTIONS |
| 77 | * |
| 78 | *---------------------------------------------------------------------------- |
| 79 | */ |
| 80 | |
| 81 | VOID |
| 82 | STATIC |
| 83 | MemTCalcDQSEccTmg ( |
| 84 | IN OUT MEM_TECH_BLOCK *TechPtr, |
| 85 | IN UINT8 Dimm, |
| 86 | IN UINT8 Type, |
| 87 | IN OUT VOID *DlyArray |
| 88 | ); |
| 89 | |
| 90 | /*---------------------------------------------------------------------------- |
| 91 | * EXPORTED FUNCTIONS |
| 92 | * |
| 93 | *---------------------------------------------------------------------------- |
| 94 | */ |
| 95 | |
| 96 | /* -----------------------------------------------------------------------------*/ |
| 97 | /** |
| 98 | * |
| 99 | * This function sets the DQS ECC timings |
| 100 | * |
| 101 | * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK |
| 102 | * |
| 103 | * @return TRUE - No fatal error occurs. |
| 104 | * @return FALSE - Fatal error occurs. |
| 105 | */ |
| 106 | |
| 107 | BOOLEAN |
| 108 | MemTSetDQSEccTmgs ( |
| 109 | IN OUT MEM_TECH_BLOCK *TechPtr |
| 110 | ) |
| 111 | { |
| 112 | UINT8 Dct; |
| 113 | UINT8 Dimm; |
| 114 | UINT8 i; |
| 115 | |
| 116 | MEM_NB_BLOCK *NBPtr; |
| 117 | CH_DEF_STRUCT *ChannelPtr; |
| 118 | |
| 119 | NBPtr = TechPtr->NBPtr; |
| 120 | if (NBPtr->MCTPtr->NodeMemSize) { |
| 121 | for (Dct = 0; Dct < NBPtr->DctCount; Dct++) { |
| 122 | NBPtr->SwitchDCT (NBPtr, Dct); |
| 123 | if (NBPtr->DCTPtr->Timings.DctMemSize != 0) { |
| 124 | ChannelPtr = NBPtr->ChannelPtr; |
| 125 | for (Dimm = 0; Dimm < MAX_DIMMS_PER_CHANNEL; Dimm++) { |
| 126 | if (NBPtr->DCTPtr->Timings.CsEnabled & ((UINT16)1 << (Dimm * 2))) { |
| 127 | i = Dimm * TechPtr->DlyTableWidth (); |
| 128 | MemTCalcDQSEccTmg (TechPtr, Dimm, AccessRcvEnDly, &ChannelPtr->RcvEnDlys[i]); |
| 129 | MemTCalcDQSEccTmg (TechPtr, Dimm, AccessRdDqsDly, &ChannelPtr->RdDqsDlys[i]); |
| 130 | MemTCalcDQSEccTmg (TechPtr, Dimm, AccessWrDatDly, &ChannelPtr->WrDatDlys[i]); |
| 131 | } |
| 132 | } |
| 133 | } |
| 134 | } |
| 135 | } |
| 136 | return (BOOLEAN) (NBPtr->MCTPtr->ErrCode < AGESA_FATAL); |
| 137 | } |
| 138 | |
| 139 | /*---------------------------------------------------------------------------- |
| 140 | * LOCAL FUNCTIONS |
| 141 | * |
| 142 | *---------------------------------------------------------------------------- |
| 143 | */ |
| 144 | |
| 145 | /* -----------------------------------------------------------------------------*/ |
| 146 | /** |
| 147 | * |
| 148 | * This function calculates the DQS ECC timings |
| 149 | * |
| 150 | * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK |
| 151 | * @param[in] Dimm - Dimm number |
| 152 | * @param[in] Type - Type of DQS timing |
| 153 | * @param[in,out] *DlyArray - Pointer to the array of delays per this Dimm |
| 154 | * |
| 155 | */ |
| 156 | |
| 157 | VOID |
| 158 | STATIC |
| 159 | MemTCalcDQSEccTmg ( |
| 160 | IN OUT MEM_TECH_BLOCK *TechPtr, |
| 161 | IN UINT8 Dimm, |
| 162 | IN UINT8 Type, |
| 163 | IN OUT VOID *DlyArray |
| 164 | ) |
| 165 | { |
| 166 | UINT8 i; |
| 167 | UINT8 j; |
| 168 | UINT8 Scale; |
| 169 | UINT8 EccByte; |
| 170 | UINT16 ByteiDly; |
| 171 | UINT16 BytejDly; |
| 172 | UINT16 EccDly; |
| 173 | UINT8 *WrDqsDly; |
| 174 | MEM_NB_BLOCK *NBPtr; |
| 175 | CH_DEF_STRUCT *ChannelPtr; |
| 176 | |
| 177 | NBPtr = TechPtr->NBPtr; |
| 178 | ChannelPtr = NBPtr->ChannelPtr; |
| 179 | |
| 180 | EccByte = TechPtr->MaxByteLanes (); |
| 181 | i = (UINT8) (ChannelPtr->DctEccDqsLike & 0xFF); |
| 182 | j = (UINT8) (ChannelPtr->DctEccDqsLike >> 8); |
| 183 | Scale = ChannelPtr->DctEccDqsScale; |
| 184 | WrDqsDly = &ChannelPtr->WrDqsDlys[Dimm * TechPtr->DlyTableWidth ()]; |
| 185 | |
| 186 | if (Type == AccessRcvEnDly) { |
| 187 | ByteiDly = ((UINT16 *) DlyArray)[i]; |
| 188 | BytejDly = ((UINT16 *) DlyArray)[j]; |
| 189 | } else { |
| 190 | ByteiDly = ((UINT8 *) DlyArray)[i]; |
| 191 | BytejDly = ((UINT8 *) DlyArray)[j]; |
| 192 | } |
| 193 | |
| 194 | // |
| 195 | // For WrDatDly, Subtract TxDqs Delay to get |
| 196 | // TxDq-TxDqs Delta, which is what should be averaged. |
| 197 | // |
| 198 | if (Type == AccessWrDatDly) { |
| 199 | ByteiDly = ByteiDly - WrDqsDly[i]; |
| 200 | BytejDly = BytejDly - WrDqsDly[j]; |
| 201 | } |
| 202 | |
| 203 | if (BytejDly > ByteiDly) { |
| 204 | EccDly = ByteiDly + (UINT8) (((UINT16) (BytejDly - ByteiDly) * Scale + 0x77) / 0xFF); |
| 205 | // Round up --^ |
| 206 | } else { |
| 207 | EccDly = BytejDly + (UINT8) (((UINT16) (ByteiDly - BytejDly) * (0xFF - Scale) + 0x77) / 0xFF); |
| 208 | // Round up --^ |
| 209 | } |
| 210 | |
| 211 | if (Type == AccessRcvEnDly) { |
| 212 | ((UINT16 *) DlyArray)[EccByte] = EccDly; |
| 213 | } else { |
| 214 | ((UINT8 *) DlyArray)[EccByte] = (UINT8) EccDly; |
| 215 | } |
| 216 | |
| 217 | // |
| 218 | // For WrDatDly, Add back the TxDqs value for ECC bytelane |
| 219 | // |
| 220 | if (Type == AccessWrDatDly) { |
| 221 | EccDly = EccDly + WrDqsDly[EccByte]; |
| 222 | } |
| 223 | |
| 224 | NBPtr->SetTrainDly (NBPtr, Type, DIMM_BYTE_ACCESS (Dimm, EccByte), EccDly); |
| 225 | } |