X-Git-Url: https://git.archive.openwrt.org/?p=15.05%2Fopenwrt.git;a=blobdiff_plain;f=target%2Flinux%2Fgeneric%2Ffiles%2Fcrypto%2Focf%2Fkirkwood%2FmvHal%2Fmv_hal%2Fddr1_2%2FmvDram.c;fp=target%2Flinux%2Fgeneric%2Ffiles%2Fcrypto%2Focf%2Fkirkwood%2FmvHal%2Fmv_hal%2Fddr1_2%2FmvDram.c;h=d1b8a3d3788a3c259f51091144247c6de3274b87;hp=0000000000000000000000000000000000000000;hb=a082943b09f4f707990ad0ac6326df8480507f02;hpb=67fbcc7bd42cc07b1f3c6b5c9f2db37647178f25 diff --git a/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/ddr1_2/mvDram.c b/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/ddr1_2/mvDram.c new file mode 100644 index 0000000000..d1b8a3d378 --- /dev/null +++ b/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/ddr1_2/mvDram.c @@ -0,0 +1,1479 @@ +/******************************************************************************* +Copyright (C) Marvell International Ltd. and its affiliates + +This software file (the "File") is owned and distributed by Marvell +International Ltd. and/or its affiliates ("Marvell") under the following +alternative licensing terms. Once you have made an election to distribute the +File under one of the following license alternatives, please (i) delete this +introductory statement regarding license alternatives, (ii) delete the two +license alternatives that you have not elected to use and (iii) preserve the +Marvell copyright notice above. + +******************************************************************************** +Marvell Commercial License Option + +If you received this File from Marvell and you have entered into a commercial +license agreement (a "Commercial License") with Marvell, the File is licensed +to you under the terms of the applicable Commercial License. + +******************************************************************************** +Marvell GPL License Option + +If you received this File from Marvell, you may opt to use, redistribute and/or +modify this File in accordance with the terms and conditions of the General +Public License Version 2, June 1991 (the "GPL License"), a copy of which is +available along with the File in the license.txt file or by writing to the Free +Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 or +on the worldwide web at http://www.gnu.org/licenses/gpl.txt. + +THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE IMPLIED +WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY +DISCLAIMED. The GPL License provides additional details about this warranty +disclaimer. +******************************************************************************** +Marvell BSD License Option + +If you received this File from Marvell, you may opt to use, redistribute and/or +modify this File under the following licensing terms. +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 Marvell 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 THE COPYRIGHT OWNER OR CONTRIBUTORS 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 "ddr1_2/mvDram.h" +#include "boardEnv/mvBoardEnvLib.h" + +#undef MV_DEBUG +#ifdef MV_DEBUG +#define DB(x) x +#else +#define DB(x) +#endif + +static MV_VOID cpyDimm2BankInfo(MV_DIMM_INFO *pDimmInfo, + MV_DRAM_BANK_INFO *pBankInfo); +static MV_U32 cas2ps(MV_U8 spd_byte); +/******************************************************************************* +* mvDramBankGet - Get the DRAM bank paramters. +* +* DESCRIPTION: +* This function retrieves DRAM bank parameters as described in +* DRAM_BANK_INFO struct to the controller DRAM unit. In case the board +* has its DRAM on DIMMs it will use its EEPROM to extract SPD data +* from it. Otherwise, if the DRAM is soldered on board, the function +* should insert its bank information into MV_DRAM_BANK_INFO struct. +* +* INPUT: +* bankNum - Board DRAM bank number. +* +* OUTPUT: +* pBankInfo - DRAM bank information struct. +* +* RETURN: +* MV_FAIL - Bank parameters could not be read. +* +*******************************************************************************/ +MV_STATUS mvDramBankInfoGet(MV_U32 bankNum, MV_DRAM_BANK_INFO *pBankInfo) +{ + MV_DIMM_INFO dimmInfo; + + DB(mvOsPrintf("Dram: mvDramBankInfoGet bank %d\n", bankNum)); + /* zero pBankInfo structure */ + memset(pBankInfo, 0, sizeof(*pBankInfo)); + + if((NULL == pBankInfo) || (bankNum >= MV_DRAM_MAX_CS )) + { + DB(mvOsPrintf("Dram: mvDramBankInfoGet bad params \n")); + return MV_BAD_PARAM; + } + if( MV_OK != dimmSpdGet((MV_U32)(bankNum/2), &dimmInfo)) + { + DB(mvOsPrintf("Dram: ERR dimmSpdGet failed to get dimm info \n")); + return MV_FAIL; + } + if((dimmInfo.numOfModuleBanks == 1) && ((bankNum % 2) == 1)) + { + DB(mvOsPrintf("Dram: ERR dimmSpdGet. Can't find DIMM bank 2 \n")); + return MV_FAIL; + } + + /* convert Dimm info to Bank info */ + cpyDimm2BankInfo(&dimmInfo, pBankInfo); + + return MV_OK; +} + +/******************************************************************************* +* cpyDimm2BankInfo - Convert a Dimm info struct into a bank info struct. +* +* DESCRIPTION: +* Convert a Dimm info struct into a bank info struct. +* +* INPUT: +* pDimmInfo - DIMM information structure. +* +* OUTPUT: +* pBankInfo - DRAM bank information struct. +* +* RETURN: +* None. +* +*******************************************************************************/ +static MV_VOID cpyDimm2BankInfo(MV_DIMM_INFO *pDimmInfo, + MV_DRAM_BANK_INFO *pBankInfo) +{ + pBankInfo->memoryType = pDimmInfo->memoryType; + + /* DIMM dimensions */ + pBankInfo->numOfRowAddr = pDimmInfo->numOfRowAddr; + pBankInfo->numOfColAddr = pDimmInfo->numOfColAddr; + pBankInfo->dataWidth = pDimmInfo->dataWidth; + pBankInfo->errorCheckType = pDimmInfo->errorCheckType; + pBankInfo->sdramWidth = pDimmInfo->sdramWidth; + pBankInfo->errorCheckDataWidth = pDimmInfo->errorCheckDataWidth; + pBankInfo->numOfBanksOnEachDevice = pDimmInfo->numOfBanksOnEachDevice; + pBankInfo->suportedCasLatencies = pDimmInfo->suportedCasLatencies; + pBankInfo->refreshInterval = pDimmInfo->refreshInterval; + + /* DIMM timing parameters */ + pBankInfo->minCycleTimeAtMaxCasLatPs = pDimmInfo->minCycleTimeAtMaxCasLatPs; + pBankInfo->minCycleTimeAtMaxCasLatMinus1Ps = + pDimmInfo->minCycleTimeAtMaxCasLatMinus1Ps; + pBankInfo->minCycleTimeAtMaxCasLatMinus2Ps = + pDimmInfo->minCycleTimeAtMaxCasLatMinus2Ps; + + pBankInfo->minRowPrechargeTime = pDimmInfo->minRowPrechargeTime; + pBankInfo->minRowActiveToRowActive = pDimmInfo->minRowActiveToRowActive; + pBankInfo->minRasToCasDelay = pDimmInfo->minRasToCasDelay; + pBankInfo->minRasPulseWidth = pDimmInfo->minRasPulseWidth; + pBankInfo->minWriteRecoveryTime = pDimmInfo->minWriteRecoveryTime; + pBankInfo->minWriteToReadCmdDelay = pDimmInfo->minWriteToReadCmdDelay; + pBankInfo->minReadToPrechCmdDelay = pDimmInfo->minReadToPrechCmdDelay; + pBankInfo->minRefreshToActiveCmd = pDimmInfo->minRefreshToActiveCmd; + + /* Parameters calculated from the extracted DIMM information */ + pBankInfo->size = pDimmInfo->size/pDimmInfo->numOfModuleBanks; + pBankInfo->deviceDensity = pDimmInfo->deviceDensity; + pBankInfo->numberOfDevices = pDimmInfo->numberOfDevices / + pDimmInfo->numOfModuleBanks; + + /* DIMM attributes (MV_TRUE for yes) */ + + if ((pDimmInfo->memoryType == MEM_TYPE_SDRAM) || + (pDimmInfo->memoryType == MEM_TYPE_DDR1) ) + { + if (pDimmInfo->dimmAttributes & BIT1) + pBankInfo->registeredAddrAndControlInputs = MV_TRUE; + else + pBankInfo->registeredAddrAndControlInputs = MV_FALSE; + } + else /* pDimmInfo->memoryType == MEM_TYPE_DDR2 */ + { + if (pDimmInfo->dimmTypeInfo & (BIT0 | BIT4)) + pBankInfo->registeredAddrAndControlInputs = MV_TRUE; + else + pBankInfo->registeredAddrAndControlInputs = MV_FALSE; + } + + return; +} + +/******************************************************************************* +* dimmSpdCpy - Cpy SPD parameters from dimm 0 to dimm 1. +* +* DESCRIPTION: +* Read the DIMM SPD parameters from dimm 0 into dimm 1 SPD. +* +* INPUT: +* None. +* +* OUTPUT: +* None. +* +* RETURN: +* MV_TRUE if function could read DIMM parameters, MV_FALSE otherwise. +* +*******************************************************************************/ +MV_STATUS dimmSpdCpy(MV_VOID) +{ + MV_U32 i; + MV_U32 spdChecksum; + + MV_TWSI_SLAVE twsiSlave; + MV_U8 data[SPD_SIZE]; + + /* zero dimmInfo structure */ + memset(data, 0, SPD_SIZE); + + /* read the dimm eeprom */ + DB(mvOsPrintf("DRAM: Read Dimm eeprom\n")); + twsiSlave.slaveAddr.address = MV_BOARD_DIMM0_I2C_ADDR; + twsiSlave.slaveAddr.type = ADDR7_BIT; + twsiSlave.validOffset = MV_TRUE; + twsiSlave.offset = 0; + twsiSlave.moreThen256 = MV_FALSE; + + if( MV_OK != mvTwsiRead (MV_BOARD_DIMM_I2C_CHANNEL, + &twsiSlave, data, SPD_SIZE) ) + { + DB(mvOsPrintf("DRAM: ERR. no DIMM in dimmNum 0\n")); + return MV_FAIL; + } + DB(puts("DRAM: Reading dimm info succeded.\n")); + + /* calculate SPD checksum */ + spdChecksum = 0; + + for(i = 0 ; i <= 62 ; i++) + { + spdChecksum += data[i]; + } + + if ((spdChecksum & 0xff) != data[63]) + { + DB(mvOsPrintf("DRAM: Warning. Wrong SPD Checksum %2x, expValue=%2x\n", + (MV_U32)(spdChecksum & 0xff), data[63])); + } + else + { + DB(mvOsPrintf("DRAM: SPD Checksum ok!\n")); + } + + /* copy the SPD content 1:1 into the DIMM 1 SPD */ + twsiSlave.slaveAddr.address = MV_BOARD_DIMM1_I2C_ADDR; + twsiSlave.slaveAddr.type = ADDR7_BIT; + twsiSlave.validOffset = MV_TRUE; + twsiSlave.offset = 0; + twsiSlave.moreThen256 = MV_FALSE; + + for(i = 0 ; i < SPD_SIZE ; i++) + { + twsiSlave.offset = i; + if( MV_OK != mvTwsiWrite (MV_BOARD_DIMM_I2C_CHANNEL, + &twsiSlave, &data[i], 1) ) + { + mvOsPrintf("DRAM: ERR. no DIMM in dimmNum 1 byte %d \n",i); + return MV_FAIL; + } + mvOsDelay(5); + } + + DB(puts("DRAM: Reading dimm info succeded.\n")); + return MV_OK; +} + +/******************************************************************************* +* dimmSpdGet - Get the SPD parameters. +* +* DESCRIPTION: +* Read the DIMM SPD parameters into given struct parameter. +* +* INPUT: +* dimmNum - DIMM number. See MV_BOARD_DIMM_NUM enumerator. +* +* OUTPUT: +* pDimmInfo - DIMM information structure. +* +* RETURN: +* MV_TRUE if function could read DIMM parameters, MV_FALSE otherwise. +* +*******************************************************************************/ +MV_STATUS dimmSpdGet(MV_U32 dimmNum, MV_DIMM_INFO *pDimmInfo) +{ + MV_U32 i; + MV_U32 density = 1; + MV_U32 spdChecksum; + + MV_TWSI_SLAVE twsiSlave; + MV_U8 data[SPD_SIZE]; + + if((NULL == pDimmInfo)|| (dimmNum >= MAX_DIMM_NUM)) + { + DB(mvOsPrintf("Dram: mvDramBankInfoGet bad params \n")); + return MV_BAD_PARAM; + } + + /* zero dimmInfo structure */ + memset(data, 0, SPD_SIZE); + + /* read the dimm eeprom */ + DB(mvOsPrintf("DRAM: Read Dimm eeprom\n")); + twsiSlave.slaveAddr.address = (dimmNum == 0) ? + MV_BOARD_DIMM0_I2C_ADDR : MV_BOARD_DIMM1_I2C_ADDR; + twsiSlave.slaveAddr.type = ADDR7_BIT; + twsiSlave.validOffset = MV_TRUE; + twsiSlave.offset = 0; + twsiSlave.moreThen256 = MV_FALSE; + + if( MV_OK != mvTwsiRead (MV_BOARD_DIMM_I2C_CHANNEL, + &twsiSlave, data, SPD_SIZE) ) + { + DB(mvOsPrintf("DRAM: ERR. no DIMM in dimmNum %d \n", dimmNum)); + return MV_FAIL; + } + DB(puts("DRAM: Reading dimm info succeded.\n")); + + /* calculate SPD checksum */ + spdChecksum = 0; + + for(i = 0 ; i <= 62 ; i++) + { + spdChecksum += data[i]; + } + + if ((spdChecksum & 0xff) != data[63]) + { + DB(mvOsPrintf("DRAM: Warning. Wrong SPD Checksum %2x, expValue=%2x\n", + (MV_U32)(spdChecksum & 0xff), data[63])); + } + else + { + DB(mvOsPrintf("DRAM: SPD Checksum ok!\n")); + } + + /* copy the SPD content 1:1 into the dimmInfo structure*/ + for(i = 0 ; i < SPD_SIZE ; i++) + { + pDimmInfo->spdRawData[i] = data[i]; + DB(mvOsPrintf("SPD-EEPROM Byte %3d = %3x (%3d)\n",i, data[i], data[i])); + } + + DB(mvOsPrintf("DRAM SPD Information:\n")); + + /* Memory type (DDR / SDRAM) */ + switch (data[DIMM_MEM_TYPE]) + { + case (DIMM_MEM_TYPE_SDRAM): + pDimmInfo->memoryType = MEM_TYPE_SDRAM; + DB(mvOsPrintf("DRAM Memeory type SDRAM\n")); + break; + case (DIMM_MEM_TYPE_DDR1): + pDimmInfo->memoryType = MEM_TYPE_DDR1; + DB(mvOsPrintf("DRAM Memeory type DDR1\n")); + break; + case (DIMM_MEM_TYPE_DDR2): + pDimmInfo->memoryType = MEM_TYPE_DDR2; + DB(mvOsPrintf("DRAM Memeory type DDR2\n")); + break; + default: + mvOsPrintf("ERROR: Undefined memory type!\n"); + return MV_ERROR; + } + + + /* Number Of Row Addresses */ + pDimmInfo->numOfRowAddr = data[DIMM_ROW_NUM]; + DB(mvOsPrintf("DRAM numOfRowAddr[3] %d\n",pDimmInfo->numOfRowAddr)); + + /* Number Of Column Addresses */ + pDimmInfo->numOfColAddr = data[DIMM_COL_NUM]; + DB(mvOsPrintf("DRAM numOfColAddr[4] %d\n",pDimmInfo->numOfColAddr)); + + /* Number Of Module Banks */ + pDimmInfo->numOfModuleBanks = data[DIMM_MODULE_BANK_NUM]; + DB(mvOsPrintf("DRAM numOfModuleBanks[5] 0x%x\n", + pDimmInfo->numOfModuleBanks)); + + /* Number of module banks encoded differently for DDR2 */ + if (pDimmInfo->memoryType == MEM_TYPE_DDR2) + pDimmInfo->numOfModuleBanks = (pDimmInfo->numOfModuleBanks & 0x7)+1; + + /* Data Width */ + pDimmInfo->dataWidth = data[DIMM_DATA_WIDTH]; + DB(mvOsPrintf("DRAM dataWidth[6] 0x%x\n", pDimmInfo->dataWidth)); + + /* Minimum Cycle Time At Max CasLatancy */ + pDimmInfo->minCycleTimeAtMaxCasLatPs = cas2ps(data[DIMM_MIN_CC_AT_MAX_CAS]); + + /* Error Check Type */ + pDimmInfo->errorCheckType = data[DIMM_ERR_CHECK_TYPE]; + DB(mvOsPrintf("DRAM errorCheckType[11] 0x%x\n", + pDimmInfo->errorCheckType)); + + /* Refresh Interval */ + pDimmInfo->refreshInterval = data[DIMM_REFRESH_INTERVAL]; + DB(mvOsPrintf("DRAM refreshInterval[12] 0x%x\n", + pDimmInfo->refreshInterval)); + + /* Sdram Width */ + pDimmInfo->sdramWidth = data[DIMM_SDRAM_WIDTH]; + DB(mvOsPrintf("DRAM sdramWidth[13] 0x%x\n",pDimmInfo->sdramWidth)); + + /* Error Check Data Width */ + pDimmInfo->errorCheckDataWidth = data[DIMM_ERR_CHECK_DATA_WIDTH]; + DB(mvOsPrintf("DRAM errorCheckDataWidth[14] 0x%x\n", + pDimmInfo->errorCheckDataWidth)); + + /* Burst Length Supported */ + /* SDRAM/DDR1: + *******-******-******-******-******-******-******-******* + * bit7 | bit6 | bit5 | bit4 | bit3 | bit2 | bit1 | bit0 * + *******-******-******-******-******-******-******-******* + burst length = * Page | TBD | TBD | TBD | 8 | 4 | 2 | 1 * + *********************************************************/ + /* DDR2: + *******-******-******-******-******-******-******-******* + * bit7 | bit6 | bit5 | bit4 | bit3 | bit2 | bit1 | bit0 * + *******-******-******-******-******-******-******-******* + burst length = * Page | TBD | TBD | TBD | 8 | 4 | TBD | TBD * + *********************************************************/ + + pDimmInfo->burstLengthSupported = data[DIMM_BURST_LEN_SUP]; + DB(mvOsPrintf("DRAM burstLengthSupported[16] 0x%x\n", + pDimmInfo->burstLengthSupported)); + + /* Number Of Banks On Each Device */ + pDimmInfo->numOfBanksOnEachDevice = data[DIMM_DEV_BANK_NUM]; + DB(mvOsPrintf("DRAM numOfBanksOnEachDevice[17] 0x%x\n", + pDimmInfo->numOfBanksOnEachDevice)); + + /* Suported Cas Latencies */ + + /* SDRAM: + *******-******-******-******-******-******-******-******* + * bit7 | bit6 | bit5 | bit4 | bit3 | bit2 | bit1 | bit0 * + *******-******-******-******-******-******-******-******* + CAS = * TBD | 7 | 6 | 5 | 4 | 3 | 2 | 1 * + ********************************************************/ + + /* DDR 1: + *******-******-******-******-******-******-******-******* + * bit7 | bit6 | bit5 | bit4 | bit3 | bit2 | bit1 | bit0 * + *******-******-******-******-******-******-******-******* + CAS = * TBD | 4 | 3.5 | 3 | 2.5 | 2 | 1.5 | 1 * + *********************************************************/ + + /* DDR 2: + *******-******-******-******-******-******-******-******* + * bit7 | bit6 | bit5 | bit4 | bit3 | bit2 | bit1 | bit0 * + *******-******-******-******-******-******-******-******* + CAS = * TBD | TBD | 5 | 4 | 3 | 2 | TBD | TBD * + *********************************************************/ + + pDimmInfo->suportedCasLatencies = data[DIMM_SUP_CAL]; + DB(mvOsPrintf("DRAM suportedCasLatencies[18] 0x%x\n", + pDimmInfo->suportedCasLatencies)); + + /* For DDR2 only, get the DIMM type information */ + if (pDimmInfo->memoryType == MEM_TYPE_DDR2) + { + pDimmInfo->dimmTypeInfo = data[DIMM_DDR2_TYPE_INFORMATION]; + DB(mvOsPrintf("DRAM dimmTypeInfo[20] (DDR2) 0x%x\n", + pDimmInfo->dimmTypeInfo)); + } + + /* SDRAM Modules Attributes */ + pDimmInfo->dimmAttributes = data[DIMM_BUF_ADDR_CONT_IN]; + DB(mvOsPrintf("DRAM dimmAttributes[21] 0x%x\n", + pDimmInfo->dimmAttributes)); + + /* Minimum Cycle Time At Max CasLatancy Minus 1*/ + pDimmInfo->minCycleTimeAtMaxCasLatMinus1Ps = + cas2ps(data[DIMM_MIN_CC_AT_MAX_CAS_MINUS1]); + + /* Minimum Cycle Time At Max CasLatancy Minus 2*/ + pDimmInfo->minCycleTimeAtMaxCasLatMinus2Ps = + cas2ps(data[DIMM_MIN_CC_AT_MAX_CAS_MINUS2]); + + pDimmInfo->minRowPrechargeTime = data[DIMM_MIN_ROW_PRECHARGE_TIME]; + DB(mvOsPrintf("DRAM minRowPrechargeTime[27] 0x%x\n", + pDimmInfo->minRowPrechargeTime)); + pDimmInfo->minRowActiveToRowActive = data[DIMM_MIN_ROW_ACTIVE_TO_ROW_ACTIVE]; + DB(mvOsPrintf("DRAM minRowActiveToRowActive[28] 0x%x\n", + pDimmInfo->minRowActiveToRowActive)); + pDimmInfo->minRasToCasDelay = data[DIMM_MIN_RAS_TO_CAS_DELAY]; + DB(mvOsPrintf("DRAM minRasToCasDelay[29] 0x%x\n", + pDimmInfo->minRasToCasDelay)); + pDimmInfo->minRasPulseWidth = data[DIMM_MIN_RAS_PULSE_WIDTH]; + DB(mvOsPrintf("DRAM minRasPulseWidth[30] 0x%x\n", + pDimmInfo->minRasPulseWidth)); + + /* DIMM Bank Density */ + pDimmInfo->dimmBankDensity = data[DIMM_BANK_DENSITY]; + DB(mvOsPrintf("DRAM dimmBankDensity[31] 0x%x\n", + pDimmInfo->dimmBankDensity)); + + /* Only DDR2 includes Write Recovery Time field. Other SDRAM ignore */ + pDimmInfo->minWriteRecoveryTime = data[DIMM_MIN_WRITE_RECOVERY_TIME]; + DB(mvOsPrintf("DRAM minWriteRecoveryTime[36] 0x%x\n", + pDimmInfo->minWriteRecoveryTime)); + + /* Only DDR2 includes Internal Write To Read Command Delay field. */ + pDimmInfo->minWriteToReadCmdDelay = data[DIMM_MIN_WRITE_TO_READ_CMD_DELAY]; + DB(mvOsPrintf("DRAM minWriteToReadCmdDelay[37] 0x%x\n", + pDimmInfo->minWriteToReadCmdDelay)); + + /* Only DDR2 includes Internal Read To Precharge Command Delay field. */ + pDimmInfo->minReadToPrechCmdDelay = data[DIMM_MIN_READ_TO_PRECH_CMD_DELAY]; + DB(mvOsPrintf("DRAM minReadToPrechCmdDelay[38] 0x%x\n", + pDimmInfo->minReadToPrechCmdDelay)); + + /* Only DDR2 includes Minimum Refresh to Activate/Refresh Command field */ + pDimmInfo->minRefreshToActiveCmd = data[DIMM_MIN_REFRESH_TO_ACTIVATE_CMD]; + DB(mvOsPrintf("DRAM minRefreshToActiveCmd[42] 0x%x\n", + pDimmInfo->minRefreshToActiveCmd)); + + /* calculating the sdram density. Representing device density from */ + /* bit 20 to allow representation of 4GB and above. */ + /* For example, if density is 512Mbit 0x20000000, will be represent in */ + /* deviceDensity by 0x20000000 >> 16 --> 0x00000200. Another example */ + /* is density 8GB 0x200000000 >> 16 --> 0x00002000. */ + density = (1 << ((pDimmInfo->numOfRowAddr + pDimmInfo->numOfColAddr) - 20)); + pDimmInfo->deviceDensity = density * + pDimmInfo->numOfBanksOnEachDevice * + pDimmInfo->sdramWidth; + DB(mvOsPrintf("DRAM deviceDensity %d\n",pDimmInfo->deviceDensity)); + + /* Number of devices includeing Error correction */ + pDimmInfo->numberOfDevices = (pDimmInfo->dataWidth/pDimmInfo->sdramWidth) * + pDimmInfo->numOfModuleBanks; + DB(mvOsPrintf("DRAM numberOfDevices %d\n", + pDimmInfo->numberOfDevices)); + + pDimmInfo->size = 0; + + /* Note that pDimmInfo->size is in MB units */ + if (pDimmInfo->memoryType == MEM_TYPE_SDRAM) + { + if (pDimmInfo->dimmBankDensity & BIT0) + pDimmInfo->size += 1024; /* Equal to 1GB */ + else if (pDimmInfo->dimmBankDensity & BIT1) + pDimmInfo->size += 8; /* Equal to 8MB */ + else if (pDimmInfo->dimmBankDensity & BIT2) + pDimmInfo->size += 16; /* Equal to 16MB */ + else if (pDimmInfo->dimmBankDensity & BIT3) + pDimmInfo->size += 32; /* Equal to 32MB */ + else if (pDimmInfo->dimmBankDensity & BIT4) + pDimmInfo->size += 64; /* Equal to 64MB */ + else if (pDimmInfo->dimmBankDensity & BIT5) + pDimmInfo->size += 128; /* Equal to 128MB */ + else if (pDimmInfo->dimmBankDensity & BIT6) + pDimmInfo->size += 256; /* Equal to 256MB */ + else if (pDimmInfo->dimmBankDensity & BIT7) + pDimmInfo->size += 512; /* Equal to 512MB */ + } + else if (pDimmInfo->memoryType == MEM_TYPE_DDR1) + { + if (pDimmInfo->dimmBankDensity & BIT0) + pDimmInfo->size += 1024; /* Equal to 1GB */ + else if (pDimmInfo->dimmBankDensity & BIT1) + pDimmInfo->size += 2048; /* Equal to 2GB */ + else if (pDimmInfo->dimmBankDensity & BIT2) + pDimmInfo->size += 16; /* Equal to 16MB */ + else if (pDimmInfo->dimmBankDensity & BIT3) + pDimmInfo->size += 32; /* Equal to 32MB */ + else if (pDimmInfo->dimmBankDensity & BIT4) + pDimmInfo->size += 64; /* Equal to 64MB */ + else if (pDimmInfo->dimmBankDensity & BIT5) + pDimmInfo->size += 128; /* Equal to 128MB */ + else if (pDimmInfo->dimmBankDensity & BIT6) + pDimmInfo->size += 256; /* Equal to 256MB */ + else if (pDimmInfo->dimmBankDensity & BIT7) + pDimmInfo->size += 512; /* Equal to 512MB */ + } + else /* if (dimmInfo.memoryType == MEM_TYPE_DDR2) */ + { + if (pDimmInfo->dimmBankDensity & BIT0) + pDimmInfo->size += 1024; /* Equal to 1GB */ + else if (pDimmInfo->dimmBankDensity & BIT1) + pDimmInfo->size += 2048; /* Equal to 2GB */ + else if (pDimmInfo->dimmBankDensity & BIT2) + pDimmInfo->size += 4096; /* Equal to 4GB */ + else if (pDimmInfo->dimmBankDensity & BIT3) + pDimmInfo->size += 8192; /* Equal to 8GB */ + else if (pDimmInfo->dimmBankDensity & BIT4) + pDimmInfo->size += 16384; /* Equal to 16GB */ + else if (pDimmInfo->dimmBankDensity & BIT5) + pDimmInfo->size += 128; /* Equal to 128MB */ + else if (pDimmInfo->dimmBankDensity & BIT6) + pDimmInfo->size += 256; /* Equal to 256MB */ + else if (pDimmInfo->dimmBankDensity & BIT7) + pDimmInfo->size += 512; /* Equal to 512MB */ + } + + pDimmInfo->size *= pDimmInfo->numOfModuleBanks; + + DB(mvOsPrintf("Dram: dimm size %dMB \n",pDimmInfo->size)); + + return MV_OK; +} + +/******************************************************************************* +* dimmSpdPrint - Print the SPD parameters. +* +* DESCRIPTION: +* Print the Dimm SPD parameters. +* +* INPUT: +* pDimmInfo - DIMM information structure. +* +* OUTPUT: +* None. +* +* RETURN: +* None. +* +*******************************************************************************/ +MV_VOID dimmSpdPrint(MV_U32 dimmNum) +{ + MV_DIMM_INFO dimmInfo; + MV_U32 i, temp = 0; + MV_U32 k, maskLeftOfPoint = 0, maskRightOfPoint = 0; + MV_U32 rightOfPoint = 0,leftOfPoint = 0, div, time_tmp, shift; + MV_U32 busClkPs; + MV_U8 trp_clocks=0, trcd_clocks, tras_clocks, trrd_clocks, + temp_buf[40], *spdRawData; + + busClkPs = 1000000000 / (mvBoardSysClkGet() / 100); /* in 10 ps units */ + + spdRawData = dimmInfo.spdRawData; + + if(MV_OK != dimmSpdGet(dimmNum, &dimmInfo)) + { + mvOsOutput("ERROR: Could not read SPD information!\n"); + return; + } + + /* find Manufactura of Dimm Module */ + mvOsOutput("\nManufacturer's JEDEC ID Code: "); + for(i = 0 ; i < DIMM_MODULE_MANU_SIZE ; i++) + { + mvOsOutput("%x",spdRawData[DIMM_MODULE_MANU_OFFS + i]); + } + mvOsOutput("\n"); + + /* Manufacturer's Specific Data */ + for(i = 0 ; i < DIMM_MODULE_ID_SIZE ; i++) + { + temp_buf[i] = spdRawData[DIMM_MODULE_ID_OFFS + i]; + } + mvOsOutput("Manufacturer's Specific Data: %s\n", temp_buf); + + /* Module Part Number */ + for(i = 0 ; i < DIMM_MODULE_VEN_SIZE ; i++) + { + temp_buf[i] = spdRawData[DIMM_MODULE_VEN_OFFS + i]; + } + mvOsOutput("Module Part Number: %s\n", temp_buf); + + /* Module Serial Number */ + for(i = 0; i < sizeof(MV_U32); i++) + { + temp |= spdRawData[95+i] << 8*i; + } + mvOsOutput("DIMM Serial No. %ld (%lx)\n", (long)temp, + (long)temp); + + /* find Manufac-Data of Dimm Module */ + mvOsOutput("Manufactoring Date: Year 20%d%d/ ww %d%d\n", + ((spdRawData[93] & 0xf0) >> 4), (spdRawData[93] & 0xf), + ((spdRawData[94] & 0xf0) >> 4), (spdRawData[94] & 0xf)); + /* find modul_revision of Dimm Module */ + mvOsOutput("Module Revision: %d.%d\n", + spdRawData[91], spdRawData[92]); + + /* find manufac_place of Dimm Module */ + mvOsOutput("manufac_place: %d\n", spdRawData[72]); + + /* go over the first 35 I2C data bytes */ + for(i = 2 ; i <= 35 ; i++) + switch(i) + { + case 2: /* Memory type (DDR1/2 / SDRAM) */ + if (dimmInfo.memoryType == MEM_TYPE_SDRAM) + mvOsOutput("Dram Type is: SDRAM\n"); + else if (dimmInfo.memoryType == MEM_TYPE_DDR1) + mvOsOutput("Dram Type is: SDRAM DDR1\n"); + else if (dimmInfo.memoryType == MEM_TYPE_DDR2) + mvOsOutput("Dram Type is: SDRAM DDR2\n"); + else + mvOsOutput("Dram Type unknown\n"); + break; +/*----------------------------------------------------------------------------*/ + + case 3: /* Number Of Row Addresses */ + mvOsOutput("Module Number of row addresses: %d\n", + dimmInfo.numOfRowAddr); + break; +/*----------------------------------------------------------------------------*/ + + case 4: /* Number Of Column Addresses */ + mvOsOutput("Module Number of col addresses: %d\n", + dimmInfo.numOfColAddr); + break; +/*----------------------------------------------------------------------------*/ + + case 5: /* Number Of Module Banks */ + mvOsOutput("Number of Banks on Mod.: %d\n", + dimmInfo.numOfModuleBanks); + break; +/*----------------------------------------------------------------------------*/ + + case 6: /* Data Width */ + mvOsOutput("Module Data Width: %d bit\n", + dimmInfo.dataWidth); + break; +/*----------------------------------------------------------------------------*/ + + case 8: /* Voltage Interface */ + switch(spdRawData[i]) + { + case 0x0: + mvOsOutput("Module is TTL_5V_TOLERANT\n"); + break; + case 0x1: + mvOsOutput("Module is LVTTL\n"); + break; + case 0x2: + mvOsOutput("Module is HSTL_1_5V\n"); + break; + case 0x3: + mvOsOutput("Module is SSTL_3_3V\n"); + break; + case 0x4: + mvOsOutput("Module is SSTL_2_5V\n"); + break; + case 0x5: + if (dimmInfo.memoryType != MEM_TYPE_SDRAM) + { + mvOsOutput("Module is SSTL_1_8V\n"); + break; + } + default: + mvOsOutput("Module is VOLTAGE_UNKNOWN\n"); + break; + } + break; +/*----------------------------------------------------------------------------*/ + + case 9: /* Minimum Cycle Time At Max CasLatancy */ + leftOfPoint = (spdRawData[i] & 0xf0) >> 4; + rightOfPoint = (spdRawData[i] & 0x0f) * 10; + + /* DDR2 addition of right of point */ + if ((spdRawData[i] & 0x0f) == 0xA) + { + rightOfPoint = 25; + } + if ((spdRawData[i] & 0x0f) == 0xB) + { + rightOfPoint = 33; + } + if ((spdRawData[i] & 0x0f) == 0xC) + { + rightOfPoint = 66; + } + if ((spdRawData[i] & 0x0f) == 0xD) + { + rightOfPoint = 75; + } + mvOsOutput("Minimum Cycle Time At Max CL: %d.%d [ns]\n", + leftOfPoint, rightOfPoint); + break; +/*----------------------------------------------------------------------------*/ + + case 10: /* Clock To Data Out */ + div = (dimmInfo.memoryType == MEM_TYPE_SDRAM)? 10:100; + time_tmp = (((spdRawData[i] & 0xf0) >> 4)*10) + + ((spdRawData[i] & 0x0f)); + leftOfPoint = time_tmp / div; + rightOfPoint = time_tmp % div; + mvOsOutput("Clock To Data Out: %d.%d [ns]\n", + leftOfPoint, rightOfPoint); + break; +/*----------------------------------------------------------------------------*/ + + case 11: /* Error Check Type */ + mvOsOutput("Error Check Type (0=NONE): %d\n", + dimmInfo.errorCheckType); + break; +/*----------------------------------------------------------------------------*/ + + case 12: /* Refresh Interval */ + mvOsOutput("Refresh Rate: %x\n", + dimmInfo.refreshInterval); + break; +/*----------------------------------------------------------------------------*/ + + case 13: /* Sdram Width */ + mvOsOutput("Sdram Width: %d bits\n", + dimmInfo.sdramWidth); + break; +/*----------------------------------------------------------------------------*/ + + case 14: /* Error Check Data Width */ + mvOsOutput("Error Check Data Width: %d bits\n", + dimmInfo.errorCheckDataWidth); + break; +/*----------------------------------------------------------------------------*/ + + case 15: /* Minimum Clock Delay is unsupported */ + if ((dimmInfo.memoryType == MEM_TYPE_SDRAM) || + (dimmInfo.memoryType == MEM_TYPE_DDR1)) + { + mvOsOutput("Minimum Clk Delay back to back: %d\n", + spdRawData[i]); + } + break; +/*----------------------------------------------------------------------------*/ + + case 16: /* Burst Length Supported */ + /* SDRAM/DDR1: + *******-******-******-******-******-******-******-******* + * bit7 | bit6 | bit5 | bit4 | bit3 | bit2 | bit1 | bit0 * + *******-******-******-******-******-******-******-******* + burst length = * Page | TBD | TBD | TBD | 8 | 4 | 2 | 1 * + *********************************************************/ + /* DDR2: + *******-******-******-******-******-******-******-******* + * bit7 | bit6 | bit5 | bit4 | bit3 | bit2 | bit1 | bit0 * + *******-******-******-******-******-******-******-******* + burst length = * Page | TBD | TBD | TBD | 8 | 4 | TBD | TBD * + *********************************************************/ + mvOsOutput("Burst Length Supported: "); + if ((dimmInfo.memoryType == MEM_TYPE_SDRAM) || + (dimmInfo.memoryType == MEM_TYPE_DDR1)) + { + if (dimmInfo.burstLengthSupported & BIT0) + mvOsOutput("1, "); + if (dimmInfo.burstLengthSupported & BIT1) + mvOsOutput("2, "); + } + if (dimmInfo.burstLengthSupported & BIT2) + mvOsOutput("4, "); + if (dimmInfo.burstLengthSupported & BIT3) + mvOsOutput("8, "); + + mvOsOutput(" Bit \n"); + break; +/*----------------------------------------------------------------------------*/ + + case 17: /* Number Of Banks On Each Device */ + mvOsOutput("Number Of Banks On Each Chip: %d\n", + dimmInfo.numOfBanksOnEachDevice); + break; +/*----------------------------------------------------------------------------*/ + + case 18: /* Suported Cas Latencies */ + + /* SDRAM: + *******-******-******-******-******-******-******-******* + * bit7 | bit6 | bit5 | bit4 | bit3 | bit2 | bit1 | bit0 * + *******-******-******-******-******-******-******-******* + CAS = * TBD | 7 | 6 | 5 | 4 | 3 | 2 | 1 * + ********************************************************/ + + /* DDR 1: + *******-******-******-******-******-******-******-******* + * bit7 | bit6 | bit5 | bit4 | bit3 | bit2 | bit1 | bit0 * + *******-******-******-******-******-******-******-******* + CAS = * TBD | 4 | 3.5 | 3 | 2.5 | 2 | 1.5 | 1 * + *********************************************************/ + + /* DDR 2: + *******-******-******-******-******-******-******-******* + * bit7 | bit6 | bit5 | bit4 | bit3 | bit2 | bit1 | bit0 * + *******-******-******-******-******-******-******-******* + CAS = * TBD | TBD | 5 | 4 | 3 | 2 | TBD | TBD * + *********************************************************/ + + mvOsOutput("Suported Cas Latencies: (CL) "); + if (dimmInfo.memoryType == MEM_TYPE_SDRAM) + { + for (k = 0; k <=7; k++) + { + if (dimmInfo.suportedCasLatencies & (1 << k)) + mvOsOutput("%d, ", k+1); + } + } + else if (dimmInfo.memoryType == MEM_TYPE_DDR1) + { + if (dimmInfo.suportedCasLatencies & BIT0) + mvOsOutput("1, "); + if (dimmInfo.suportedCasLatencies & BIT1) + mvOsOutput("1.5, "); + if (dimmInfo.suportedCasLatencies & BIT2) + mvOsOutput("2, "); + if (dimmInfo.suportedCasLatencies & BIT3) + mvOsOutput("2.5, "); + if (dimmInfo.suportedCasLatencies & BIT4) + mvOsOutput("3, "); + if (dimmInfo.suportedCasLatencies & BIT5) + mvOsOutput("3.5, "); + } + else if (dimmInfo.memoryType == MEM_TYPE_DDR2) + { + if (dimmInfo.suportedCasLatencies & BIT2) + mvOsOutput("2, "); + if (dimmInfo.suportedCasLatencies & BIT3) + mvOsOutput("3, "); + if (dimmInfo.suportedCasLatencies & BIT4) + mvOsOutput("4, "); + if (dimmInfo.suportedCasLatencies & BIT5) + mvOsOutput("5, "); + } + else + mvOsOutput("?.?, "); + mvOsOutput("\n"); + break; +/*----------------------------------------------------------------------------*/ + + case 20: /* DDR2 DIMM type info */ + if (dimmInfo.memoryType == MEM_TYPE_DDR2) + { + if (dimmInfo.dimmTypeInfo & (BIT0 | BIT4)) + mvOsOutput("Registered DIMM (RDIMM)\n"); + else if (dimmInfo.dimmTypeInfo & (BIT1 | BIT5)) + mvOsOutput("Unbuffered DIMM (UDIMM)\n"); + else + mvOsOutput("Unknown DIMM type.\n"); + } + + break; +/*----------------------------------------------------------------------------*/ + + case 21: /* SDRAM Modules Attributes */ + mvOsOutput("\nModule Attributes (SPD Byte 21): \n"); + + if (dimmInfo.memoryType == MEM_TYPE_SDRAM) + { + if (dimmInfo.dimmAttributes & BIT0) + mvOsOutput(" Buffered Addr/Control Input: Yes\n"); + else + mvOsOutput(" Buffered Addr/Control Input: No\n"); + + if (dimmInfo.dimmAttributes & BIT1) + mvOsOutput(" Registered Addr/Control Input: Yes\n"); + else + mvOsOutput(" Registered Addr/Control Input: No\n"); + + if (dimmInfo.dimmAttributes & BIT2) + mvOsOutput(" On-Card PLL (clock): Yes \n"); + else + mvOsOutput(" On-Card PLL (clock): No \n"); + + if (dimmInfo.dimmAttributes & BIT3) + mvOsOutput(" Bufferd DQMB Input: Yes \n"); + else + mvOsOutput(" Bufferd DQMB Inputs: No \n"); + + if (dimmInfo.dimmAttributes & BIT4) + mvOsOutput(" Registered DQMB Inputs: Yes \n"); + else + mvOsOutput(" Registered DQMB Inputs: No \n"); + + if (dimmInfo.dimmAttributes & BIT5) + mvOsOutput(" Differential Clock Input: Yes \n"); + else + mvOsOutput(" Differential Clock Input: No \n"); + + if (dimmInfo.dimmAttributes & BIT6) + mvOsOutput(" redundant Row Addressing: Yes \n"); + else + mvOsOutput(" redundant Row Addressing: No \n"); + } + else if (dimmInfo.memoryType == MEM_TYPE_DDR1) + { + if (dimmInfo.dimmAttributes & BIT0) + mvOsOutput(" Buffered Addr/Control Input: Yes\n"); + else + mvOsOutput(" Buffered Addr/Control Input: No\n"); + + if (dimmInfo.dimmAttributes & BIT1) + mvOsOutput(" Registered Addr/Control Input: Yes\n"); + else + mvOsOutput(" Registered Addr/Control Input: No\n"); + + if (dimmInfo.dimmAttributes & BIT2) + mvOsOutput(" On-Card PLL (clock): Yes \n"); + else + mvOsOutput(" On-Card PLL (clock): No \n"); + + if (dimmInfo.dimmAttributes & BIT3) + mvOsOutput(" FET Switch On-Card Enabled: Yes \n"); + else + mvOsOutput(" FET Switch On-Card Enabled: No \n"); + + if (dimmInfo.dimmAttributes & BIT4) + mvOsOutput(" FET Switch External Enabled: Yes \n"); + else + mvOsOutput(" FET Switch External Enabled: No \n"); + + if (dimmInfo.dimmAttributes & BIT5) + mvOsOutput(" Differential Clock Input: Yes \n"); + else + mvOsOutput(" Differential Clock Input: No \n"); + } + else /* if (dimmInfo.memoryType == MEM_TYPE_DDR2) */ + { + mvOsOutput(" Number of Active Registers on the DIMM: %d\n", + (dimmInfo.dimmAttributes & 0x3) + 1); + + mvOsOutput(" Number of PLLs on the DIMM: %d\n", + ((dimmInfo.dimmAttributes) >> 2) & 0x3); + + if (dimmInfo.dimmAttributes & BIT4) + mvOsOutput(" FET Switch External Enabled: Yes \n"); + else + mvOsOutput(" FET Switch External Enabled: No \n"); + + if (dimmInfo.dimmAttributes & BIT6) + mvOsOutput(" Analysis probe installed: Yes \n"); + else + mvOsOutput(" Analysis probe installed: No \n"); + } + + break; +/*----------------------------------------------------------------------------*/ + + case 22: /* Suported AutoPreCharge */ + mvOsOutput("\nModul Attributes (SPD Byte 22): \n"); + if (dimmInfo.memoryType == MEM_TYPE_SDRAM) + { + if ( spdRawData[i] & BIT0 ) + mvOsOutput(" Early Ras Precharge: Yes \n"); + else + mvOsOutput(" Early Ras Precharge: No \n"); + + if ( spdRawData[i] & BIT1 ) + mvOsOutput(" AutoPreCharge: Yes \n"); + else + mvOsOutput(" AutoPreCharge: No \n"); + + if ( spdRawData[i] & BIT2 ) + mvOsOutput(" Precharge All: Yes \n"); + else + mvOsOutput(" Precharge All: No \n"); + + if ( spdRawData[i] & BIT3 ) + mvOsOutput(" Write 1/ReadBurst: Yes \n"); + else + mvOsOutput(" Write 1/ReadBurst: No \n"); + + if ( spdRawData[i] & BIT4 ) + mvOsOutput(" lower VCC tolerance: 5%%\n"); + else + mvOsOutput(" lower VCC tolerance: 10%%\n"); + + if ( spdRawData[i] & BIT5 ) + mvOsOutput(" upper VCC tolerance: 5%%\n"); + else + mvOsOutput(" upper VCC tolerance: 10%%\n"); + } + else if (dimmInfo.memoryType == MEM_TYPE_DDR1) + { + if ( spdRawData[i] & BIT0 ) + mvOsOutput(" Supports Weak Driver: Yes \n"); + else + mvOsOutput(" Supports Weak Driver: No \n"); + + if ( !(spdRawData[i] & BIT4) ) + mvOsOutput(" lower VCC tolerance: 0.2V\n"); + + if ( !(spdRawData[i] & BIT5) ) + mvOsOutput(" upper VCC tolerance: 0.2V\n"); + + if ( spdRawData[i] & BIT6 ) + mvOsOutput(" Concurrent Auto Preharge: Yes \n"); + else + mvOsOutput(" Concurrent Auto Preharge: No \n"); + + if ( spdRawData[i] & BIT7 ) + mvOsOutput(" Supports Fast AP: Yes \n"); + else + mvOsOutput(" Supports Fast AP: No \n"); + } + else if (dimmInfo.memoryType == MEM_TYPE_DDR2) + { + if ( spdRawData[i] & BIT0 ) + mvOsOutput(" Supports Weak Driver: Yes \n"); + else + mvOsOutput(" Supports Weak Driver: No \n"); + } + break; +/*----------------------------------------------------------------------------*/ + + case 23: + /* Minimum Cycle Time At Maximum Cas Latancy Minus 1 (2nd highest CL) */ + leftOfPoint = (spdRawData[i] & 0xf0) >> 4; + rightOfPoint = (spdRawData[i] & 0x0f) * 10; + + /* DDR2 addition of right of point */ + if ((spdRawData[i] & 0x0f) == 0xA) + { + rightOfPoint = 25; + } + if ((spdRawData[i] & 0x0f) == 0xB) + { + rightOfPoint = 33; + } + if ((spdRawData[i] & 0x0f) == 0xC) + { + rightOfPoint = 66; + } + if ((spdRawData[i] & 0x0f) == 0xD) + { + rightOfPoint = 75; + } + + mvOsOutput("Minimum Cycle Time At 2nd highest CasLatancy" + "(0 = Not supported): %d.%d [ns]\n", + leftOfPoint, rightOfPoint ); + break; +/*----------------------------------------------------------------------------*/ + + case 24: /* Clock To Data Out 2nd highest Cas Latency Value*/ + div = (dimmInfo.memoryType == MEM_TYPE_SDRAM) ? 10:100; + time_tmp = (((spdRawData[i] & 0xf0) >> 4)*10) + + ((spdRawData[i] & 0x0f)); + leftOfPoint = time_tmp / div; + rightOfPoint = time_tmp % div; + mvOsOutput("Clock To Data Out (2nd CL value): %d.%d [ns]\n", + leftOfPoint, rightOfPoint); + break; +/*----------------------------------------------------------------------------*/ + + case 25: + /* Minimum Cycle Time At Maximum Cas Latancy Minus 2 (3rd highest CL) */ + if (dimmInfo.memoryType == MEM_TYPE_SDRAM) + { + leftOfPoint = (spdRawData[i] & 0xfc) >> 2; + rightOfPoint = (spdRawData[i] & 0x3) * 25; + } + else /* DDR1 or DDR2 */ + { + leftOfPoint = (spdRawData[i] & 0xf0) >> 4; + rightOfPoint = (spdRawData[i] & 0x0f) * 10; + + /* DDR2 addition of right of point */ + if ((spdRawData[i] & 0x0f) == 0xA) + { + rightOfPoint = 25; + } + if ((spdRawData[i] & 0x0f) == 0xB) + { + rightOfPoint = 33; + } + if ((spdRawData[i] & 0x0f) == 0xC) + { + rightOfPoint = 66; + } + if ((spdRawData[i] & 0x0f) == 0xD) + { + rightOfPoint = 75; + } + } + mvOsOutput("Minimum Cycle Time At 3rd highest CasLatancy" + "(0 = Not supported): %d.%d [ns]\n", + leftOfPoint, rightOfPoint ); + break; +/*----------------------------------------------------------------------------*/ + + case 26: /* Clock To Data Out 3rd highest Cas Latency Value*/ + if (dimmInfo.memoryType == MEM_TYPE_SDRAM) + { + leftOfPoint = (spdRawData[i] & 0xfc) >> 2; + rightOfPoint = (spdRawData[i] & 0x3) * 25; + } + else /* DDR1 or DDR2 */ + { + time_tmp = (((spdRawData[i] & 0xf0) >> 4)*10) + + ((spdRawData[i] & 0x0f)); + leftOfPoint = 0; + rightOfPoint = time_tmp; + } + mvOsOutput("Clock To Data Out (3rd CL value): %d.%2d[ns]\n", + leftOfPoint, rightOfPoint ); + break; +/*----------------------------------------------------------------------------*/ + + case 27: /* Minimum Row Precharge Time */ + shift = (dimmInfo.memoryType == MEM_TYPE_SDRAM)? 0:2; + maskLeftOfPoint = (dimmInfo.memoryType == MEM_TYPE_SDRAM) ? + 0xff : 0xfc; + maskRightOfPoint = (dimmInfo.memoryType == MEM_TYPE_SDRAM) ? + 0x00 : 0x03; + leftOfPoint = ((spdRawData[i] & maskLeftOfPoint) >> shift); + rightOfPoint = (spdRawData[i] & maskRightOfPoint)*25; + temp = ((leftOfPoint*100) + rightOfPoint);/* in 10ps Intervals*/ + trp_clocks = (temp + (busClkPs-1)) / busClkPs; + mvOsOutput("Minimum Row Precharge Time [ns]: %d.%d = " + "in Clk cycles %d\n", + leftOfPoint, rightOfPoint, trp_clocks); + break; +/*----------------------------------------------------------------------------*/ + + case 28: /* Minimum Row Active to Row Active Time */ + shift = (dimmInfo.memoryType == MEM_TYPE_SDRAM)? 0:2; + maskLeftOfPoint = (dimmInfo.memoryType == MEM_TYPE_SDRAM) ? + 0xff : 0xfc; + maskRightOfPoint = (dimmInfo.memoryType == MEM_TYPE_SDRAM) ? + 0x00 : 0x03; + leftOfPoint = ((spdRawData[i] & maskLeftOfPoint) >> shift); + rightOfPoint = (spdRawData[i] & maskRightOfPoint)*25; + temp = ((leftOfPoint*100) + rightOfPoint);/* in 100ns Interval*/ + trrd_clocks = (temp + (busClkPs-1)) / busClkPs; + mvOsOutput("Minimum Row Active -To- Row Active Delay [ns]: " + "%d.%d = in Clk cycles %d\n", + leftOfPoint, rightOfPoint, trp_clocks); + break; +/*----------------------------------------------------------------------------*/ + + case 29: /* Minimum Ras-To-Cas Delay */ + shift = (dimmInfo.memoryType == MEM_TYPE_SDRAM)? 0:2; + maskLeftOfPoint = (dimmInfo.memoryType == MEM_TYPE_SDRAM) ? + 0xff : 0xfc; + maskRightOfPoint = (dimmInfo.memoryType == MEM_TYPE_SDRAM) ? + 0x00 : 0x03; + leftOfPoint = ((spdRawData[i] & maskLeftOfPoint) >> shift); + rightOfPoint = (spdRawData[i] & maskRightOfPoint)*25; + temp = ((leftOfPoint*100) + rightOfPoint);/* in 100ns Interval*/ + trcd_clocks = (temp + (busClkPs-1) )/ busClkPs; + mvOsOutput("Minimum Ras-To-Cas Delay [ns]: %d.%d = " + "in Clk cycles %d\n", + leftOfPoint, rightOfPoint, trp_clocks); + break; +/*----------------------------------------------------------------------------*/ + + case 30: /* Minimum Ras Pulse Width */ + tras_clocks = (cas2ps(spdRawData[i])+(busClkPs-1)) / busClkPs; + mvOsOutput("Minimum Ras Pulse Width [ns]: %d = " + "in Clk cycles %d\n", spdRawData[i], tras_clocks); + break; +/*----------------------------------------------------------------------------*/ + + case 31: /* Module Bank Density */ + mvOsOutput("Module Bank Density (more than 1= Multisize-Module):"); + + if (dimmInfo.memoryType == MEM_TYPE_SDRAM) + { + if (dimmInfo.dimmBankDensity & BIT0) + mvOsOutput("1GB, "); + if (dimmInfo.dimmBankDensity & BIT1) + mvOsOutput("8MB, "); + if (dimmInfo.dimmBankDensity & BIT2) + mvOsOutput("16MB, "); + if (dimmInfo.dimmBankDensity & BIT3) + mvOsOutput("32MB, "); + if (dimmInfo.dimmBankDensity & BIT4) + mvOsOutput("64MB, "); + if (dimmInfo.dimmBankDensity & BIT5) + mvOsOutput("128MB, "); + if (dimmInfo.dimmBankDensity & BIT6) + mvOsOutput("256MB, "); + if (dimmInfo.dimmBankDensity & BIT7) + mvOsOutput("512MB, "); + } + else if (dimmInfo.memoryType == MEM_TYPE_DDR1) + { + if (dimmInfo.dimmBankDensity & BIT0) + mvOsOutput("1GB, "); + if (dimmInfo.dimmBankDensity & BIT1) + mvOsOutput("2GB, "); + if (dimmInfo.dimmBankDensity & BIT2) + mvOsOutput("16MB, "); + if (dimmInfo.dimmBankDensity & BIT3) + mvOsOutput("32MB, "); + if (dimmInfo.dimmBankDensity & BIT4) + mvOsOutput("64MB, "); + if (dimmInfo.dimmBankDensity & BIT5) + mvOsOutput("128MB, "); + if (dimmInfo.dimmBankDensity & BIT6) + mvOsOutput("256MB, "); + if (dimmInfo.dimmBankDensity & BIT7) + mvOsOutput("512MB, "); + } + else /* if (dimmInfo.memoryType == MEM_TYPE_DDR2) */ + { + if (dimmInfo.dimmBankDensity & BIT0) + mvOsOutput("1GB, "); + if (dimmInfo.dimmBankDensity & BIT1) + mvOsOutput("2GB, "); + if (dimmInfo.dimmBankDensity & BIT2) + mvOsOutput("4GB, "); + if (dimmInfo.dimmBankDensity & BIT3) + mvOsOutput("8GB, "); + if (dimmInfo.dimmBankDensity & BIT4) + mvOsOutput("16GB, "); + if (dimmInfo.dimmBankDensity & BIT5) + mvOsOutput("128MB, "); + if (dimmInfo.dimmBankDensity & BIT6) + mvOsOutput("256MB, "); + if (dimmInfo.dimmBankDensity & BIT7) + mvOsOutput("512MB, "); + } + mvOsOutput("\n"); + break; +/*----------------------------------------------------------------------------*/ + + case 32: /* Address And Command Setup Time (measured in ns/1000) */ + if (dimmInfo.memoryType == MEM_TYPE_SDRAM) + { + rightOfPoint = (spdRawData[i] & 0x0f); + leftOfPoint = (spdRawData[i] & 0xf0) >> 4; + if(leftOfPoint > 7) + { + leftOfPoint *= -1; + } + } + else /* DDR1 or DDR2 */ + { + time_tmp = (((spdRawData[i] & 0xf0) >> 4)*10) + + ((spdRawData[i] & 0x0f)); + leftOfPoint = time_tmp / 100; + rightOfPoint = time_tmp % 100; + } + mvOsOutput("Address And Command Setup Time [ns]: %d.%d\n", + leftOfPoint, rightOfPoint); + break; +/*----------------------------------------------------------------------------*/ + + case 33: /* Address And Command Hold Time */ + if (dimmInfo.memoryType == MEM_TYPE_SDRAM) + { + rightOfPoint = (spdRawData[i] & 0x0f); + leftOfPoint = (spdRawData[i] & 0xf0) >> 4; + if(leftOfPoint > 7) + { + leftOfPoint *= -1; + } + } + else /* DDR1 or DDR2 */ + { + time_tmp = (((spdRawData[i] & 0xf0) >> 4)*10) + + ((spdRawData[i] & 0x0f)); + leftOfPoint = time_tmp / 100; + rightOfPoint = time_tmp % 100; + } + mvOsOutput("Address And Command Hold Time [ns]: %d.%d\n", + leftOfPoint, rightOfPoint); + break; +/*----------------------------------------------------------------------------*/ + + case 34: /* Data Input Setup Time */ + if (dimmInfo.memoryType == MEM_TYPE_SDRAM) + { + rightOfPoint = (spdRawData[i] & 0x0f); + leftOfPoint = (spdRawData[i] & 0xf0) >> 4; + if(leftOfPoint > 7) + { + leftOfPoint *= -1; + } + } + else /* DDR1 or DDR2 */ + { + time_tmp = (((spdRawData[i] & 0xf0) >> 4)*10) + + ((spdRawData[i] & 0x0f)); + leftOfPoint = time_tmp / 100; + rightOfPoint = time_tmp % 100; + } + mvOsOutput("Data Input Setup Time [ns]: %d.%d\n", + leftOfPoint, rightOfPoint); + break; +/*----------------------------------------------------------------------------*/ + + case 35: /* Data Input Hold Time */ + if (dimmInfo.memoryType == MEM_TYPE_SDRAM) + { + rightOfPoint = (spdRawData[i] & 0x0f); + leftOfPoint = (spdRawData[i] & 0xf0) >> 4; + if(leftOfPoint > 7) + { + leftOfPoint *= -1; + } + } + else /* DDR1 or DDR2 */ + { + time_tmp = (((spdRawData[i] & 0xf0) >> 4)*10) + + ((spdRawData[i] & 0x0f)); + leftOfPoint = time_tmp / 100; + rightOfPoint = time_tmp % 100; + } + mvOsOutput("Data Input Hold Time [ns]: %d.%d\n\n", + leftOfPoint, rightOfPoint); + break; +/*----------------------------------------------------------------------------*/ + + case 36: /* Relevant for DDR2 only: Write Recovery Time */ + leftOfPoint = ((spdRawData[i] & maskLeftOfPoint) >> 2); + rightOfPoint = (spdRawData[i] & maskRightOfPoint) * 25; + mvOsOutput("Write Recovery Time [ns]: %d.%d\n", + leftOfPoint, rightOfPoint); + break; +/*----------------------------------------------------------------------------*/ + } + +} + + +/* + * translate ns.ns/10 coding of SPD timing values + * into ps unit values + */ +/******************************************************************************* +* cas2ps - Translate x.y ns parameter to pico-seconds values +* +* DESCRIPTION: +* This function translates x.y nano seconds to its value in pico seconds. +* For example 3.75ns will return 3750. +* +* INPUT: +* spd_byte - DIMM SPD byte. +* +* OUTPUT: +* None. +* +* RETURN: +* value in pico seconds. +* +*******************************************************************************/ +static MV_U32 cas2ps(MV_U8 spd_byte) +{ + MV_U32 ns, ns10; + + /* isolate upper nibble */ + ns = (spd_byte >> 4) & 0x0F; + /* isolate lower nibble */ + ns10 = (spd_byte & 0x0F); + + if( ns10 < 10 ) { + ns10 *= 10; + } + else if( ns10 == 10 ) + ns10 = 25; + else if( ns10 == 11 ) + ns10 = 33; + else if( ns10 == 12 ) + ns10 = 66; + else if( ns10 == 13 ) + ns10 = 75; + else + { + mvOsOutput("cas2ps Err. unsupported cycle time.\n"); + } + + return (ns*1000 + ns10*10); +} +