--- /dev/null
+/*******************************************************************************
+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 "ddr2/spd/mvSpd.h"
+#include "boardEnv/mvBoardEnvLib.h"
+
+/* #define 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 */
+
+ if((NULL == pBankInfo) || (bankNum >= MV_DRAM_MAX_CS ))
+ {
+ DB(mvOsPrintf("Dram: mvDramBankInfoGet bad params \n"));
+ return MV_BAD_PARAM;
+ }
+ memset(pBankInfo, 0, sizeof(*pBankInfo));
+
+ 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[62]/10, spdRawData[62]%10);
+
+ /* 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);
+}
+
projects / openwrt / svn-archive / archive.git / blobdiff