diff options
Diffstat (limited to 'target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/ddr2/mvDramIf.c')
| -rw-r--r-- | target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/ddr2/mvDramIf.c | 1855 |
1 files changed, 0 insertions, 1855 deletions
diff --git a/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/ddr2/mvDramIf.c b/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/ddr2/mvDramIf.c deleted file mode 100644 index a214c95cd1..0000000000 --- a/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/ddr2/mvDramIf.c +++ /dev/null @@ -1,1855 +0,0 @@ -/******************************************************************************* -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. - -*******************************************************************************/ - - -/* includes */ -#include "ddr2/mvDramIf.h" -#include "ctrlEnv/sys/mvCpuIf.h" - -#include "ddr2/mvDramIfStaticInit.h" - -/* #define MV_DEBUG */ -#ifdef MV_DEBUG -#define DB(x) x -#else -#define DB(x) -#endif - -/* DRAM bank presence encoding */ -#define BANK_PRESENT_CS0 0x1 -#define BANK_PRESENT_CS0_CS1 0x3 -#define BANK_PRESENT_CS0_CS2 0x5 -#define BANK_PRESENT_CS0_CS1_CS2 0x7 -#define BANK_PRESENT_CS0_CS2_CS3 0xd -#define BANK_PRESENT_CS0_CS2_CS3_CS4 0xf - -/* locals */ -#ifndef MV_STATIC_DRAM_ON_BOARD -static void sdramDDr2OdtConfig(MV_DRAM_BANK_INFO *pBankInfo); -static MV_U32 dunitCtrlLowRegCalc(MV_DRAM_BANK_INFO *pBankInfo, MV_U32 minCas, MV_U32 busClk, MV_STATUS TTmode ); -static MV_U32 dunitCtrlHighRegCalc(MV_DRAM_BANK_INFO *pBankInfo, MV_U32 busClk); -static MV_U32 sdramModeRegCalc(MV_U32 minCas); -static MV_U32 sdramExtModeRegCalc(MV_DRAM_BANK_INFO *pBankInfo, MV_U32 busClk); -static MV_U32 sdramAddrCtrlRegCalc(MV_DRAM_BANK_INFO *pBankInfo, MV_DRAM_BANK_INFO *pBankInfoDIMM1); -static MV_U32 sdramConfigRegCalc(MV_DRAM_BANK_INFO *pBankInfo, MV_DRAM_BANK_INFO *pBankInfo2, MV_U32 busClk); -static MV_U32 minCasCalc(MV_DRAM_BANK_INFO *pBankInfo,MV_DRAM_BANK_INFO *pBankInfo2, MV_U32 busClk, MV_U32 forcedCl); -static MV_U32 sdramTimeCtrlLowRegCalc(MV_DRAM_BANK_INFO *pBankInfo, MV_U32 minCas, MV_U32 busClk); -static MV_U32 sdramTimeCtrlHighRegCalc(MV_DRAM_BANK_INFO *pBankInfo, MV_U32 busClk); -static MV_U32 sdramDdr2TimeLoRegCalc(MV_U32 minCas); -static MV_U32 sdramDdr2TimeHiRegCalc(MV_U32 minCas); -#endif -MV_32 DRAM_CS_Order[MV_DRAM_MAX_CS] = {N_A - -#ifdef MV_INCLUDE_SDRAM_CS1 - ,N_A -#endif -#ifdef MV_INCLUDE_SDRAM_CS2 - ,N_A -#endif -#ifdef MV_INCLUDE_SDRAM_CS3 - ,N_A -#endif - }; -/* Get DRAM size of CS num */ -MV_U32 mvDramCsSizeGet(MV_U32 csNum) -{ - MV_DRAM_BANK_INFO bankInfo; - MV_U32 size, deviceW, dimmW; -#ifdef MV78XX0 - MV_U32 temp; -#endif - - if(MV_OK == mvDramBankInfoGet(csNum, &bankInfo)) - { - if (0 == bankInfo.size) - return 0; - - /* Note that the Dimm width might be different then the device DRAM width */ -#ifdef MV78XX0 - temp = MV_REG_READ(SDRAM_CONFIG_REG); - deviceW = ((temp & SDRAM_DWIDTH_MASK) == SDRAM_DWIDTH_32BIT )? 32 : 64; -#else - deviceW = 16 /* KW family */; -#endif - dimmW = bankInfo.dataWidth - (bankInfo.dataWidth % 16); - size = ((bankInfo.size << 20) / (dimmW/deviceW)); - return size; - } - else - return 0; -} -/******************************************************************************* -* mvDramIfDetect - Prepare DRAM interface configuration values. -* -* DESCRIPTION: -* This function implements the full DRAM detection and timing -* configuration for best system performance. -* Since this routine runs from a ROM device (Boot Flash), its stack -* resides on RAM, that might be the system DRAM. Changing DRAM -* configuration values while keeping vital data in DRAM is risky. That -* is why the function does not preform the configuration setting but -* prepare those in predefined 32bit registers (in this case IDMA -* registers are used) for other routine to perform the settings. -* The function will call for board DRAM SPD information for each DRAM -* chip select. The function will then analyze those SPD parameters of -* all DRAM banks in order to decide on DRAM configuration compatible -* for all DRAM banks. -* The function will set the CPU DRAM address decode registers. -* Note: This routine prepares values that will overide configuration of -* mvDramBasicAsmInit(). -* -* INPUT: -* forcedCl - Forced CAL Latency. If equal to zero, do not force. -* eccDisable - Force down the ECC. -* -* OUTPUT: -* None. -* -* RETURN: -* None. -* -*******************************************************************************/ -MV_STATUS mvDramIfDetect(MV_U32 forcedCl, MV_BOOL eccDisable) -{ - MV_32 MV_DRAM_CS_order[MV_DRAM_MAX_CS] = { - SDRAM_CS0 -#ifdef MV_INCLUDE_SDRAM_CS1 - ,SDRAM_CS1 -#endif -#ifdef MV_INCLUDE_SDRAM_CS2 - ,SDRAM_CS2 -#endif -#ifdef MV_INCLUDE_SDRAM_CS3 - ,SDRAM_CS3 -#endif - }; - MV_U32 busClk, deviceW, dimmW; - MV_U32 numOfAllDevices = 0; - MV_STATUS TTMode; -#ifndef MV_STATIC_DRAM_ON_BOARD - MV_DRAM_BANK_INFO bankInfo[MV_DRAM_MAX_CS]; - MV_U32 size, base = 0, i, j, temp, busClkPs; - MV_U8 minCas; - MV_CPU_DEC_WIN dramDecWin; - dramDecWin.addrWin.baseHigh = 0; -#endif - - busClk = mvBoardSysClkGet(); - - if (0 == busClk) - { - mvOsPrintf("Dram: ERR. Can't detect system clock! \n"); - return MV_ERROR; - } - -#ifndef MV_STATIC_DRAM_ON_BOARD - - busClkPs = 1000000000 / (busClk / 1000); /* in ps units */ - /* we will use bank 0 as the representative of the all the DRAM banks, */ - /* since bank 0 must exist. */ - for(i = 0; i < MV_DRAM_MAX_CS; i++) - { - /* if Bank exist */ - if(MV_OK == mvDramBankInfoGet(i, &bankInfo[i])) - { - DB(mvOsPrintf("Dram: Find bank %d\n", i)); - /* check it isn't SDRAM */ - if(bankInfo[i].memoryType != MEM_TYPE_DDR2) - { - mvOsOutput("Dram: ERR. SDRAM type not supported !!!\n"); - return MV_ERROR; - } - - /* All banks must support the Mclk freqency */ - if(bankInfo[i].minCycleTimeAtMaxCasLatPs > busClkPs) - { - mvOsOutput("Dram: ERR. Bank %d doesn't support memory clock!!!\n", i); - return MV_ERROR; - } - - /* All banks must support registry in order to activate it */ - if(bankInfo[i].registeredAddrAndControlInputs != - bankInfo[0].registeredAddrAndControlInputs) - { - mvOsOutput("Dram: ERR. different Registered settings !!!\n"); - return MV_ERROR; - } - - /* All banks must support same ECC mode */ - if(bankInfo[i].errorCheckType != - bankInfo[0].errorCheckType) - { - mvOsOutput("Dram: ERR. different ECC settings !!!\n"); - return MV_ERROR; - } - - } - else - { - if( i == 0 ) /* bank 0 doesn't exist */ - { - mvOsOutput("Dram: ERR. Fail to detect bank 0 !!!\n"); - return MV_ERROR; - } - else - { - DB(mvOsPrintf("Dram: Could not find bank %d\n", i)); - bankInfo[i].size = 0; /* Mark this bank as non exist */ - } - } - } - -#ifdef MV_INCLUDE_SDRAM_CS2 - if (bankInfo[SDRAM_CS0].size < bankInfo[SDRAM_CS2].size) - { - MV_DRAM_CS_order[0] = SDRAM_CS2; - MV_DRAM_CS_order[1] = SDRAM_CS3; - MV_DRAM_CS_order[2] = SDRAM_CS0; - MV_DRAM_CS_order[3] = SDRAM_CS1; - DRAM_CS_Order[0] = SDRAM_CS2; - DRAM_CS_Order[1] = SDRAM_CS3; - DRAM_CS_Order[2] = SDRAM_CS0; - DRAM_CS_Order[3] = SDRAM_CS1; - - } - else -#endif - { - MV_DRAM_CS_order[0] = SDRAM_CS0; - MV_DRAM_CS_order[1] = SDRAM_CS1; - DRAM_CS_Order[0] = SDRAM_CS0; - DRAM_CS_Order[1] = SDRAM_CS1; -#ifdef MV_INCLUDE_SDRAM_CS2 - MV_DRAM_CS_order[2] = SDRAM_CS2; - MV_DRAM_CS_order[3] = SDRAM_CS3; - DRAM_CS_Order[2] = SDRAM_CS2; - DRAM_CS_Order[3] = SDRAM_CS3; -#endif - } - - for(j = 0; j < MV_DRAM_MAX_CS; j++) - { - i = MV_DRAM_CS_order[j]; - - if (0 == bankInfo[i].size) - continue; - - /* Init the CPU window decode */ - /* Note that the Dimm width might be different then the device DRAM width */ -#ifdef MV78XX0 - temp = MV_REG_READ(SDRAM_CONFIG_REG); - deviceW = ((temp & SDRAM_DWIDTH_MASK) == SDRAM_DWIDTH_32BIT )? 32 : 64; -#else - deviceW = 16 /* KW family */; -#endif - dimmW = bankInfo[0].dataWidth - (bankInfo[0].dataWidth % 16); - size = ((bankInfo[i].size << 20) / (dimmW/deviceW)); - - /* We can not change DRAM window settings while excecuting */ - /* code from it. That is why we skip the DRAM CS[0], saving */ - /* it to the ROM configuration routine */ - - numOfAllDevices += bankInfo[i].numberOfDevices; - if (i == MV_DRAM_CS_order[0]) - { - MV_U32 sizeToReg; - /* Translate the given window size to register format */ - sizeToReg = ctrlSizeToReg(size, SCSR_SIZE_ALIGNMENT); - /* Size parameter validity check. */ - if (-1 == sizeToReg) - { - mvOsOutput("DRAM: mvCtrlAddrDecToReg: ERR. Win %d size invalid.\n" - ,i); - return MV_BAD_PARAM; - } - - DB(mvOsPrintf("Dram: Bank 0 Size - %x\n",sizeToReg);) - sizeToReg = (sizeToReg << SCSR_SIZE_OFFS); - sizeToReg |= SCSR_WIN_EN; - MV_REG_WRITE(DRAM_BUF_REG0, sizeToReg); - } - else - { - dramDecWin.addrWin.baseLow = base; - dramDecWin.addrWin.size = size; - dramDecWin.enable = MV_TRUE; - DB(mvOsPrintf("Dram: Enable window %d base 0x%x, size=0x%x\n",i, base, size)); - - /* Check if the DRAM size is more then 3GByte */ - if (base < 0xC0000000) - { - DB(mvOsPrintf("Dram: Enable window %d base 0x%x, size=0x%x\n",i, base, size)); - if (MV_OK != mvCpuIfTargetWinSet(i, &dramDecWin)) - { - mvOsPrintf("Dram: ERR. Fail to set bank %d!!!\n", SDRAM_CS0 + i); - return MV_ERROR; - } - } - } - - base += size; - - /* update the suportedCasLatencies mask */ - bankInfo[0].suportedCasLatencies &= bankInfo[i].suportedCasLatencies; - } - - /* calculate minimum CAS */ - minCas = minCasCalc(&bankInfo[0], &bankInfo[2], busClk, forcedCl); - if (0 == minCas) - { - mvOsOutput("Dram: Warn: Could not find CAS compatible to SysClk %dMhz\n", - (busClk / 1000000)); - - minCas = DDR2_CL_4; /* Continue with this CAS */ - mvOsOutput("Set default CAS latency 4\n"); - } - - /* calc SDRAM_CONFIG_REG and save it to temp register */ - temp = sdramConfigRegCalc(&bankInfo[0],&bankInfo[2], busClk); - if(-1 == temp) - { - mvOsOutput("Dram: ERR. sdramConfigRegCalc failed !!!\n"); - return MV_ERROR; - } - - /* check if ECC is enabled by the user */ - if(eccDisable) - { - /* turn off ECC*/ - temp &= ~BIT18; - } - DB(mvOsPrintf("Dram: sdramConfigRegCalc - %x\n",temp);) - MV_REG_WRITE(DRAM_BUF_REG1, temp); - - /* calc SDRAM_MODE_REG and save it to temp register */ - temp = sdramModeRegCalc(minCas); - if(-1 == temp) - { - mvOsOutput("Dram: ERR. sdramModeRegCalc failed !!!\n"); - return MV_ERROR; - } - DB(mvOsPrintf("Dram: sdramModeRegCalc - %x\n",temp);) - MV_REG_WRITE(DRAM_BUF_REG2, temp); - - /* calc SDRAM_EXTENDED_MODE_REG and save it to temp register */ - temp = sdramExtModeRegCalc(&bankInfo[0], busClk); - if(-1 == temp) - { - mvOsOutput("Dram: ERR. sdramExtModeRegCalc failed !!!\n"); - return MV_ERROR; - } - DB(mvOsPrintf("Dram: sdramExtModeRegCalc - %x\n",temp);) - MV_REG_WRITE(DRAM_BUF_REG10, temp); - - /* calc D_UNIT_CONTROL_LOW and save it to temp register */ - TTMode = MV_FALSE; - DB(mvOsPrintf("Dram: numOfAllDevices = %x\n",numOfAllDevices);) - if( (numOfAllDevices > 9) && (bankInfo[0].registeredAddrAndControlInputs == MV_FALSE) ) - { - if ( ( (numOfAllDevices > 9) && (busClk > MV_BOARD_SYSCLK_200MHZ) ) || - (numOfAllDevices > 18) ) - { - mvOsOutput("Enable 2T "); - TTMode = MV_TRUE; - } - } - - temp = dunitCtrlLowRegCalc(&bankInfo[0], minCas, busClk, TTMode ); - if(-1 == temp) - { - mvOsOutput("Dram: ERR. dunitCtrlLowRegCalc failed !!!\n"); - return MV_ERROR; - } - DB(mvOsPrintf("Dram: dunitCtrlLowRegCalc - %x\n",temp);) - MV_REG_WRITE(DRAM_BUF_REG3, temp); - - /* calc D_UNIT_CONTROL_HIGH and save it to temp register */ - temp = dunitCtrlHighRegCalc(&bankInfo[0], busClk); - if(-1 == temp) - { - mvOsOutput("Dram: ERR. dunitCtrlHighRegCalc failed !!!\n"); - return MV_ERROR; - } - DB(mvOsPrintf("Dram: dunitCtrlHighRegCalc - %x\n",temp);) - /* check if ECC is enabled by the user */ - if(eccDisable) - { - /* turn off sample stage if no ecc */ - temp &= ~SDRAM__D2P_EN;; - } - MV_REG_WRITE(DRAM_BUF_REG13, temp); - - /* calc SDRAM_ADDR_CTRL_REG and save it to temp register */ - temp = sdramAddrCtrlRegCalc(&bankInfo[0],&bankInfo[2]); - if(-1 == temp) - { - mvOsOutput("Dram: ERR. sdramAddrCtrlRegCalc failed !!!\n"); - return MV_ERROR; - } - DB(mvOsPrintf("Dram: sdramAddrCtrlRegCalc - %x\n",temp);) - MV_REG_WRITE(DRAM_BUF_REG4, temp); - - /* calc SDRAM_TIMING_CTRL_LOW_REG and save it to temp register */ - temp = sdramTimeCtrlLowRegCalc(&bankInfo[0], minCas, busClk); - if(-1 == temp) - { - mvOsOutput("Dram: ERR. sdramTimeCtrlLowRegCalc failed !!!\n"); - return MV_ERROR; - } - DB(mvOsPrintf("Dram: sdramTimeCtrlLowRegCalc - %x\n",temp);) - MV_REG_WRITE(DRAM_BUF_REG5, temp); - - /* calc SDRAM_TIMING_CTRL_HIGH_REG and save it to temp register */ - temp = sdramTimeCtrlHighRegCalc(&bankInfo[0], busClk); - if(-1 == temp) - { - mvOsOutput("Dram: ERR. sdramTimeCtrlHighRegCalc failed !!!\n"); - return MV_ERROR; - } - DB(mvOsPrintf("Dram: sdramTimeCtrlHighRegCalc - %x\n",temp);) - MV_REG_WRITE(DRAM_BUF_REG6, temp); - - sdramDDr2OdtConfig(bankInfo); - - /* calc DDR2_SDRAM_TIMING_LOW_REG and save it to temp register */ - temp = sdramDdr2TimeLoRegCalc(minCas); - if(-1 == temp) - { - mvOsOutput("Dram: ERR. sdramDdr2TimeLoRegCalc failed !!!\n"); - return MV_ERROR; - } - DB(mvOsPrintf("Dram: sdramDdr2TimeLoRegCalc - %x\n",temp);) - MV_REG_WRITE(DRAM_BUF_REG11, temp); - - /* calc DDR2_SDRAM_TIMING_HIGH_REG and save it to temp register */ - temp = sdramDdr2TimeHiRegCalc(minCas); - if(-1 == temp) - { - mvOsOutput("Dram: ERR. sdramDdr2TimeHiRegCalc failed !!!\n"); - return MV_ERROR; - } - DB(mvOsPrintf("Dram: sdramDdr2TimeHiRegCalc - %x\n",temp);) - MV_REG_WRITE(DRAM_BUF_REG12, temp); -#endif - - /* Note that DDR SDRAM Address/Control and Data pad calibration */ - /* settings is done in mvSdramIfConfig.s */ - - return MV_OK; -} - - -/******************************************************************************* -* mvDramIfBankBaseGet - Get DRAM interface bank base. -* -* DESCRIPTION: -* This function returns the 32 bit base address of a given DRAM bank. -* -* INPUT: -* bankNum - Bank number. -* -* OUTPUT: -* None. -* -* RETURN: -* DRAM bank size. If bank is disabled or paramter is invalid, the -* function returns -1. -* -*******************************************************************************/ -MV_U32 mvDramIfBankBaseGet(MV_U32 bankNum) -{ - DB(mvOsPrintf("Dram: mvDramIfBankBaseGet Bank %d base addr is %x \n", - bankNum, mvCpuIfTargetWinBaseLowGet(SDRAM_CS0 + bankNum))); - return mvCpuIfTargetWinBaseLowGet(SDRAM_CS0 + bankNum); -} - -/******************************************************************************* -* mvDramIfBankSizeGet - Get DRAM interface bank size. -* -* DESCRIPTION: -* This function returns the size of a given DRAM bank. -* -* INPUT: -* bankNum - Bank number. -* -* OUTPUT: -* None. -* -* RETURN: -* DRAM bank size. If bank is disabled the function return '0'. In case -* or paramter is invalid, the function returns -1. -* -*******************************************************************************/ -MV_U32 mvDramIfBankSizeGet(MV_U32 bankNum) -{ - DB(mvOsPrintf("Dram: mvDramIfBankSizeGet Bank %d size is %x \n", - bankNum, mvCpuIfTargetWinSizeGet(SDRAM_CS0 + bankNum))); - return mvCpuIfTargetWinSizeGet(SDRAM_CS0 + bankNum); -} - - -/******************************************************************************* -* mvDramIfSizeGet - Get DRAM interface total size. -* -* DESCRIPTION: -* This function get the DRAM total size. -* -* INPUT: -* None. -* -* OUTPUT: -* None. -* -* RETURN: -* DRAM total size. In case or paramter is invalid, the function -* returns -1. -* -*******************************************************************************/ -MV_U32 mvDramIfSizeGet(MV_VOID) -{ - MV_U32 size = 0, i; - - for(i = 0; i < MV_DRAM_MAX_CS; i++) - size += mvDramIfBankSizeGet(i); - - DB(mvOsPrintf("Dram: mvDramIfSizeGet size is %x \n",size)); - return size; -} - -/******************************************************************************* -* mvDramIfSingleBitErrThresholdSet - Set single bit ECC threshold. -* -* DESCRIPTION: -* The ECC single bit error threshold is the number of single bit -* errors to happen before the Dunit generates an interrupt. -* This function set single bit ECC threshold. -* -* INPUT: -* threshold - threshold. -* -* OUTPUT: -* None. -* -* RETURN: -* MV_BAD_PARAM if threshold is to big, MV_OK otherwise. -* -*******************************************************************************/ -MV_STATUS mvDramIfSingleBitErrThresholdSet(MV_U32 threshold) -{ - MV_U32 regVal; - - if (threshold > SECR_THRECC_MAX) - { - return MV_BAD_PARAM; - } - - regVal = MV_REG_READ(SDRAM_ECC_CONTROL_REG); - regVal &= ~SECR_THRECC_MASK; - regVal |= ((SECR_THRECC(threshold) & SECR_THRECC_MASK)); - MV_REG_WRITE(SDRAM_ECC_CONTROL_REG, regVal); - - return MV_OK; -} - -#ifndef MV_STATIC_DRAM_ON_BOARD -/******************************************************************************* -* minCasCalc - Calculate the Minimum CAS latency which can be used. -* -* DESCRIPTION: -* Calculate the minimum CAS latency that can be used, base on the DRAM -* parameters and the SDRAM bus Clock freq. -* -* INPUT: -* busClk - the DRAM bus Clock. -* pBankInfo - bank info parameters. -* forcedCl - Forced CAS Latency multiplied by 10. If equal to zero, do not force. -* -* OUTPUT: -* None -* -* RETURN: -* The minimum CAS Latency. The function returns 0 if max CAS latency -* supported by banks is incompatible with system bus clock frequancy. -* -*******************************************************************************/ - -static MV_U32 minCasCalc(MV_DRAM_BANK_INFO *pBankInfo,MV_DRAM_BANK_INFO *pBankInfo2, MV_U32 busClk, MV_U32 forcedCl) -{ - MV_U32 count = 1, j; - MV_U32 busClkPs = 1000000000 / (busClk / 1000); /* in ps units */ - MV_U32 startBit, stopBit; - MV_U32 minCas0 = 0, minCas2 = 0; - - - /* DDR 2: - *******-******-******-******-******-******-******-******* - * bit7 | bit6 | bit5 | bit4 | bit3 | bit2 | bit1 | bit0 * - *******-******-******-******-******-******-******-******* - CAS = * TBD | TBD | 5 | 4 | 3 | 2 | TBD | TBD * - Disco VI= * TBD | TBD | 5 | 4 | 3 | TBD | TBD | TBD * - Disco Duo= * TBD | 6 | 5 | 4 | 3 | TBD | TBD | TBD * - *********************************************************/ - - - /* If we are asked to use the forced CAL we change the suported CAL to be forcedCl only */ - if (forcedCl) - { - mvOsOutput("DRAM: Using forced CL %d.%d\n", (forcedCl / 10), (forcedCl % 10)); - - if (forcedCl == 30) - pBankInfo->suportedCasLatencies = 0x08; - else if (forcedCl == 40) - pBankInfo->suportedCasLatencies = 0x10; - else if (forcedCl == 50) - pBankInfo->suportedCasLatencies = 0x20; - else if (forcedCl == 60) - pBankInfo->suportedCasLatencies = 0x40; - else - { - mvOsPrintf("Forced CL %d.%d not supported. Set default CL 4\n", - (forcedCl / 10), (forcedCl % 10)); - pBankInfo->suportedCasLatencies = 0x10; - } - - return pBankInfo->suportedCasLatencies; - } - - /* go over the supported cas mask from Max Cas down and check if the */ - /* SysClk stands in its time requirments. */ - - DB(mvOsPrintf("Dram: minCasCalc supported mask = %x busClkPs = %x \n", - pBankInfo->suportedCasLatencies,busClkPs )); - count = 1; - for(j = 7; j > 0; j--) - { - if((pBankInfo->suportedCasLatencies >> j) & BIT0 ) - { - /* Reset the bits for CL incompatible for the sysClk */ - switch (count) - { - case 1: - if (pBankInfo->minCycleTimeAtMaxCasLatPs > busClkPs) - pBankInfo->suportedCasLatencies &= ~(BIT0 << j); - count++; - break; - case 2: - if (pBankInfo->minCycleTimeAtMaxCasLatMinus1Ps > busClkPs) - pBankInfo->suportedCasLatencies &= ~(BIT0 << j); - count++; - break; - case 3: - if (pBankInfo->minCycleTimeAtMaxCasLatMinus2Ps > busClkPs) - pBankInfo->suportedCasLatencies &= ~(BIT0 << j); - count++; - break; - default: - pBankInfo->suportedCasLatencies &= ~(BIT0 << j); - break; - } - } - } - - DB(mvOsPrintf("Dram: minCasCalc support = %x (after SysCC calc)\n", - pBankInfo->suportedCasLatencies )); - - count = 1; - DB(mvOsPrintf("Dram2: minCasCalc supported mask = %x busClkPs = %x \n", - pBankInfo2->suportedCasLatencies,busClkPs )); - for(j = 7; j > 0; j--) - { - if((pBankInfo2->suportedCasLatencies >> j) & BIT0 ) - { - /* Reset the bits for CL incompatible for the sysClk */ - switch (count) - { - case 1: - if (pBankInfo2->minCycleTimeAtMaxCasLatPs > busClkPs) - pBankInfo2->suportedCasLatencies &= ~(BIT0 << j); - count++; - break; - case 2: - if (pBankInfo2->minCycleTimeAtMaxCasLatMinus1Ps > busClkPs) - pBankInfo2->suportedCasLatencies &= ~(BIT0 << j); - count++; - break; - case 3: - if (pBankInfo2->minCycleTimeAtMaxCasLatMinus2Ps > busClkPs) - pBankInfo2->suportedCasLatencies &= ~(BIT0 << j); - count++; - break; - default: - pBankInfo2->suportedCasLatencies &= ~(BIT0 << j); - break; - } - } - } - - DB(mvOsPrintf("Dram2: minCasCalc support = %x (after SysCC calc)\n", - pBankInfo2->suportedCasLatencies )); - - startBit = 3; /* DDR2 support CL start with CL3 (bit 3) */ - stopBit = 6; /* DDR2 support CL stops with CL6 (bit 6) */ - - for(j = startBit; j <= stopBit ; j++) - { - if((pBankInfo->suportedCasLatencies >> j) & BIT0 ) - { - DB(mvOsPrintf("Dram: minCasCalc choose CAS %x \n",(BIT0 << j))); - minCas0 = (BIT0 << j); - break; - } - } - - for(j = startBit; j <= stopBit ; j++) - { - if((pBankInfo2->suportedCasLatencies >> j) & BIT0 ) - { - DB(mvOsPrintf("Dram: minCasCalc choose CAS %x \n",(BIT0 << j))); - minCas2 = (BIT0 << j); - break; - } - } - - if (minCas2 > minCas0) - return minCas2; - else - return minCas0; - - return 0; -} - -/******************************************************************************* -* sdramConfigRegCalc - Calculate sdram config register -* -* DESCRIPTION: Calculate sdram config register optimized value based -* on the bank info parameters. -* -* INPUT: -* busClk - the DRAM bus Clock. -* pBankInfo - sdram bank parameters -* -* OUTPUT: -* None -* -* RETURN: -* sdram config reg value. -* -*******************************************************************************/ -static MV_U32 sdramConfigRegCalc(MV_DRAM_BANK_INFO *pBankInfo,MV_DRAM_BANK_INFO *pBankInfo2, MV_U32 busClk) -{ - MV_U32 sdramConfig = 0; - MV_U32 refreshPeriod; - - busClk /= 1000000; /* we work with busClk in MHz */ - - sdramConfig = MV_REG_READ(SDRAM_CONFIG_REG); - - /* figure out the memory refresh internal */ - switch (pBankInfo->refreshInterval & 0xf) - { - case 0x0: /* refresh period is 15.625 usec */ - refreshPeriod = 15625; - break; - case 0x1: /* refresh period is 3.9 usec */ - refreshPeriod = 3900; - break; - case 0x2: /* refresh period is 7.8 usec */ - refreshPeriod = 7800; - break; - case 0x3: /* refresh period is 31.3 usec */ - refreshPeriod = 31300; - break; - case 0x4: /* refresh period is 62.5 usec */ - refreshPeriod = 62500; - break; - case 0x5: /* refresh period is 125 usec */ - refreshPeriod = 125000; - break; - default: /* refresh period undefined */ - mvOsPrintf("Dram: ERR. DRAM refresh period is unknown!\n"); - return -1; - } - - /* Now the refreshPeriod is in register format value */ - refreshPeriod = (busClk * refreshPeriod) / 1000; - - DB(mvOsPrintf("Dram: sdramConfigRegCalc calculated refresh interval %0x\n", - refreshPeriod)); - - /* make sure the refresh value is only 14 bits */ - if(refreshPeriod > SDRAM_REFRESH_MAX) - { - refreshPeriod = SDRAM_REFRESH_MAX; - DB(mvOsPrintf("Dram: sdramConfigRegCalc adjusted refresh interval %0x\n", - refreshPeriod)); - } - - /* Clear the refresh field */ - sdramConfig &= ~SDRAM_REFRESH_MASK; - - /* Set new value to refresh field */ - sdramConfig |= (refreshPeriod & SDRAM_REFRESH_MASK); - - /* registered DRAM ? */ - if ( pBankInfo->registeredAddrAndControlInputs ) - { - /* it's registered DRAM, so set the reg. DRAM bit */ - sdramConfig |= SDRAM_REGISTERED; - DB(mvOsPrintf("DRAM Attribute: Registered address and control inputs.\n");) - } - - /* ECC and IERR support */ - sdramConfig &= ~SDRAM_ECC_MASK; /* Clear ECC field */ - sdramConfig &= ~SDRAM_IERR_MASK; /* Clear IErr field */ - - if ( pBankInfo->errorCheckType ) - { - sdramConfig |= SDRAM_ECC_EN; - sdramConfig |= SDRAM_IERR_REPORTE; - DB(mvOsPrintf("Dram: mvDramIfDetect Enabling ECC\n")); - } - else - { - sdramConfig |= SDRAM_ECC_DIS; - sdramConfig |= SDRAM_IERR_IGNORE; - DB(mvOsPrintf("Dram: mvDramIfDetect Disabling ECC!\n")); - } - /* Set static default settings */ - sdramConfig |= SDRAM_CONFIG_DV; - - DB(mvOsPrintf("Dram: sdramConfigRegCalc set sdramConfig to 0x%x\n", - sdramConfig)); - - return sdramConfig; -} - -/******************************************************************************* -* sdramModeRegCalc - Calculate sdram mode register -* -* DESCRIPTION: Calculate sdram mode register optimized value based -* on the bank info parameters and the minCas. -* -* INPUT: -* minCas - minimum CAS supported. -* -* OUTPUT: -* None -* -* RETURN: -* sdram mode reg value. -* -*******************************************************************************/ -static MV_U32 sdramModeRegCalc(MV_U32 minCas) -{ - MV_U32 sdramMode; - - sdramMode = MV_REG_READ(SDRAM_MODE_REG); - - /* Clear CAS Latency field */ - sdramMode &= ~SDRAM_CL_MASK; - - DB(mvOsPrintf("DRAM CAS Latency ");) - - switch (minCas) - { - case DDR2_CL_3: - sdramMode |= SDRAM_DDR2_CL_3; - DB(mvOsPrintf("3.\n");) - break; - case DDR2_CL_4: - sdramMode |= SDRAM_DDR2_CL_4; - DB(mvOsPrintf("4.\n");) - break; - case DDR2_CL_5: - sdramMode |= SDRAM_DDR2_CL_5; - DB(mvOsPrintf("5.\n");) - break; - case DDR2_CL_6: - sdramMode |= SDRAM_DDR2_CL_6; - DB(mvOsPrintf("6.\n");) - break; - default: - mvOsOutput("\nsdramModeRegCalc ERROR: Max. CL out of range\n"); - return -1; - } - - DB(mvOsPrintf("\nsdramModeRegCalc register 0x%x\n", sdramMode )); - - return sdramMode; -} -/******************************************************************************* -* sdramExtModeRegCalc - Calculate sdram Extended mode register -* -* DESCRIPTION: -* Return sdram Extended mode register value based -* on the bank info parameters and bank presence. -* -* INPUT: -* pBankInfo - sdram bank parameters -* busClk - DRAM frequency -* -* OUTPUT: -* None -* -* RETURN: -* sdram Extended mode reg value. -* -*******************************************************************************/ -static MV_U32 sdramExtModeRegCalc(MV_DRAM_BANK_INFO *pBankInfo, MV_U32 busClk) -{ - MV_U32 populateBanks = 0; - int bankNum; - - /* Represent the populate banks in binary form */ - for(bankNum = 0; bankNum < MV_DRAM_MAX_CS; bankNum++) - { - if (0 != pBankInfo[bankNum].size) - { - populateBanks |= (1 << bankNum); - } - } - - switch(populateBanks) - { - case(BANK_PRESENT_CS0): - case(BANK_PRESENT_CS0_CS1): - return DDR_SDRAM_EXT_MODE_CS0_CS1_DV; - - case(BANK_PRESENT_CS0_CS2): - case(BANK_PRESENT_CS0_CS1_CS2): - case(BANK_PRESENT_CS0_CS2_CS3): - case(BANK_PRESENT_CS0_CS2_CS3_CS4): - if (busClk >= MV_BOARD_SYSCLK_267MHZ) - return DDR_SDRAM_EXT_MODE_FAST_CS0_CS1_CS2_CS3_DV; - else - return DDR_SDRAM_EXT_MODE_CS0_CS1_CS2_CS3_DV; - - default: - mvOsOutput("sdramExtModeRegCalc: Invalid DRAM bank presence\n"); - return -1; - } - return 0; -} - -/******************************************************************************* -* dunitCtrlLowRegCalc - Calculate sdram dunit control low register -* -* DESCRIPTION: Calculate sdram dunit control low register optimized value based -* on the bank info parameters and the minCas. -* -* INPUT: -* pBankInfo - sdram bank parameters -* minCas - minimum CAS supported. -* -* OUTPUT: -* None -* -* RETURN: -* sdram dunit control low reg value. -* -*******************************************************************************/ -static MV_U32 dunitCtrlLowRegCalc(MV_DRAM_BANK_INFO *pBankInfo, MV_U32 minCas, MV_U32 busClk, MV_STATUS TTMode) -{ - MV_U32 dunitCtrlLow, cl; - MV_U32 sbOutR[4]={3,5,7,9} ; - MV_U32 sbOutU[4]={1,3,5,7} ; - - dunitCtrlLow = MV_REG_READ(SDRAM_DUNIT_CTRL_REG); - - DB(mvOsPrintf("Dram: dunitCtrlLowRegCalc\n")); - - /* Clear StBurstOutDel field */ - dunitCtrlLow &= ~SDRAM_SB_OUT_MASK; - - /* Clear StBurstInDel field */ - dunitCtrlLow &= ~SDRAM_SB_IN_MASK; - - /* Clear CtrlPos field */ - dunitCtrlLow &= ~SDRAM_CTRL_POS_MASK; - - /* Clear 2T field */ - dunitCtrlLow &= ~SDRAM_2T_MASK; - if (TTMode == MV_TRUE) - { - dunitCtrlLow |= SDRAM_2T_MODE; - } - - /* For proper sample of read data set the Dunit Control register's */ - /* stBurstInDel bits [27:24] */ - /* 200MHz - 267MHz None reg = CL + 1 */ - /* 200MHz - 267MHz reg = CL + 2 */ - /* > 267MHz None reg = CL + 2 */ - /* > 267MHz reg = CL + 3 */ - - /* For proper sample of read data set the Dunit Control register's */ - /* stBurstOutDel bits [23:20] */ - /********-********-********-********- - * CL=3 | CL=4 | CL=5 | CL=6 | - *********-********-********-********- - Not Reg. * 0001 | 0011 | 0101 | 0111 | - *********-********-********-********- - Registered * 0011 | 0101 | 0111 | 1001 | - *********-********-********-********/ - - /* Set Dunit Control low default value */ - dunitCtrlLow |= SDRAM_DUNIT_CTRL_LOW_DDR2_DV; - - switch (minCas) - { - case DDR2_CL_3: cl = 3; break; - case DDR2_CL_4: cl = 4; break; - case DDR2_CL_5: cl = 5; break; - case DDR2_CL_6: cl = 6; break; - default: - mvOsOutput("Dram: dunitCtrlLowRegCalc Max. CL out of range %d\n", minCas); - return -1; - } - - /* registerd DDR SDRAM? */ - if (pBankInfo->registeredAddrAndControlInputs == MV_TRUE) - { - dunitCtrlLow |= (sbOutR[cl-3]) << SDRAM_SB_OUT_DEL_OFFS; - } - else - { - dunitCtrlLow |= (sbOutU[cl-3]) << SDRAM_SB_OUT_DEL_OFFS; - } - - DB(mvOsPrintf("\n\ndunitCtrlLowRegCalc: CL = %d, frequencies=%d\n", cl, busClk)); - - if (busClk <= MV_BOARD_SYSCLK_267MHZ) - { - if (pBankInfo->registeredAddrAndControlInputs == MV_TRUE) - cl = cl + 2; - else - cl = cl + 1; - } - else - { - if (pBankInfo->registeredAddrAndControlInputs == MV_TRUE) - cl = cl + 3; - else - cl = cl + 2; - } - - DB(mvOsPrintf("dunitCtrlLowRegCalc: SDRAM_SB_IN_DEL_OFFS = %d \n", cl)); - dunitCtrlLow |= cl << SDRAM_SB_IN_DEL_OFFS; - - DB(mvOsPrintf("Dram: Reg dunit control low = %x\n", dunitCtrlLow )); - - return dunitCtrlLow; -} - -/******************************************************************************* -* dunitCtrlHighRegCalc - Calculate sdram dunit control high register -* -* DESCRIPTION: Calculate sdram dunit control high register optimized value based -* on the bus clock. -* -* INPUT: -* busClk - DRAM frequency. -* -* OUTPUT: -* None -* -* RETURN: -* sdram dunit control high reg value. -* -*******************************************************************************/ -static MV_U32 dunitCtrlHighRegCalc(MV_DRAM_BANK_INFO *pBankInfo, MV_U32 busClk) -{ - MV_U32 dunitCtrlHigh; - dunitCtrlHigh = MV_REG_READ(SDRAM_DUNIT_CTRL_HI_REG); - if(busClk > MV_BOARD_SYSCLK_300MHZ) - dunitCtrlHigh |= SDRAM__P2D_EN; - else - dunitCtrlHigh &= ~SDRAM__P2D_EN; - - if(busClk > MV_BOARD_SYSCLK_267MHZ) - dunitCtrlHigh |= (SDRAM__WR_MESH_DELAY_EN | SDRAM__PUP_ZERO_SKEW_EN | SDRAM__ADD_HALF_FCC_EN); - - /* If ECC support we turn on D2P sample */ - dunitCtrlHigh &= ~SDRAM__D2P_EN; /* Clear D2P bit */ - if (( pBankInfo->errorCheckType ) && (busClk > MV_BOARD_SYSCLK_267MHZ)) - dunitCtrlHigh |= SDRAM__D2P_EN; - - return dunitCtrlHigh; -} - -/******************************************************************************* -* sdramAddrCtrlRegCalc - Calculate sdram address control register -* -* DESCRIPTION: Calculate sdram address control register optimized value based -* on the bank info parameters and the minCas. -* -* INPUT: -* pBankInfo - sdram bank parameters -* -* OUTPUT: -* None -* -* RETURN: -* sdram address control reg value. -* -*******************************************************************************/ -static MV_U32 sdramAddrCtrlRegCalc(MV_DRAM_BANK_INFO *pBankInfo, MV_DRAM_BANK_INFO *pBankInfoDIMM1) -{ - MV_U32 addrCtrl = 0; - - if (pBankInfoDIMM1->size) - { - switch (pBankInfoDIMM1->sdramWidth) - { - case 4: /* memory is x4 */ - mvOsOutput("sdramAddrCtrlRegCalc: Error - x4 not supported!\n"); - return -1; - break; - case 8: /* memory is x8 */ - addrCtrl |= SDRAM_ADDRSEL_X8(2) | SDRAM_ADDRSEL_X8(3); - DB(mvOsPrintf("sdramAddrCtrlRegCalc: sdramAddrCtrlRegCalc SDRAM device DIMM2 width x8\n")); - break; - case 16: - addrCtrl |= SDRAM_ADDRSEL_X16(2) | SDRAM_ADDRSEL_X16(3); - DB(mvOsPrintf("sdramAddrCtrlRegCalc: sdramAddrCtrlRegCalc SDRAM device DIMM2 width x16\n")); - break; - default: /* memory width unsupported */ - mvOsOutput("sdramAddrCtrlRegCalc: ERR. DRAM chip width is unknown!\n"); - return -1; - } - } - - switch (pBankInfo->sdramWidth) - { - case 4: /* memory is x4 */ - mvOsOutput("sdramAddrCtrlRegCalc: Error - x4 not supported!\n"); - return -1; - break; - case 8: /* memory is x8 */ - addrCtrl |= SDRAM_ADDRSEL_X8(0) | SDRAM_ADDRSEL_X8(1); - DB(mvOsPrintf("sdramAddrCtrlRegCalc: sdramAddrCtrlRegCalc SDRAM device width x8\n")); - break; - case 16: - addrCtrl |= SDRAM_ADDRSEL_X16(0) | SDRAM_ADDRSEL_X16(1); - DB(mvOsPrintf("sdramAddrCtrlRegCalc: sdramAddrCtrlRegCalc SDRAM device width x16\n")); - break; - default: /* memory width unsupported */ - mvOsOutput("sdramAddrCtrlRegCalc: ERR. DRAM chip width is unknown!\n"); - return -1; - } - - /* Note that density is in MB units */ - switch (pBankInfo->deviceDensity) - { - case 256: /* 256 Mbit */ - DB(mvOsPrintf("DRAM Device Density 256Mbit\n")); - addrCtrl |= SDRAM_DSIZE_256Mb(0) | SDRAM_DSIZE_256Mb(1); - break; - case 512: /* 512 Mbit */ - DB(mvOsPrintf("DRAM Device Density 512Mbit\n")); - addrCtrl |= SDRAM_DSIZE_512Mb(0) | SDRAM_DSIZE_512Mb(1); - break; - case 1024: /* 1 Gbit */ - DB(mvOsPrintf("DRAM Device Density 1Gbit\n")); - addrCtrl |= SDRAM_DSIZE_1Gb(0) | SDRAM_DSIZE_1Gb(1); - break; - case 2048: /* 2 Gbit */ - DB(mvOsPrintf("DRAM Device Density 2Gbit\n")); - addrCtrl |= SDRAM_DSIZE_2Gb(0) | SDRAM_DSIZE_2Gb(1); - break; - default: - mvOsOutput("Dram: sdramAddrCtrl unsupported RAM-Device size %d\n", - pBankInfo->deviceDensity); - return -1; - } - - if (pBankInfoDIMM1->size) - { - switch (pBankInfoDIMM1->deviceDensity) - { - case 256: /* 256 Mbit */ - DB(mvOsPrintf("DIMM2: DRAM Device Density 256Mbit\n")); - addrCtrl |= SDRAM_DSIZE_256Mb(2) | SDRAM_DSIZE_256Mb(3); - break; - case 512: /* 512 Mbit */ - DB(mvOsPrintf("DIMM2: DRAM Device Density 512Mbit\n")); - addrCtrl |= SDRAM_DSIZE_512Mb(2) | SDRAM_DSIZE_512Mb(3); - break; - case 1024: /* 1 Gbit */ - DB(mvOsPrintf("DIMM2: DRAM Device Density 1Gbit\n")); - addrCtrl |= SDRAM_DSIZE_1Gb(2) | SDRAM_DSIZE_1Gb(3); - break; - case 2048: /* 2 Gbit */ - DB(mvOsPrintf("DIMM2: DRAM Device Density 2Gbit\n")); - addrCtrl |= SDRAM_DSIZE_2Gb(2) | SDRAM_DSIZE_2Gb(3); - break; - default: - mvOsOutput("DIMM2: Dram: sdramAddrCtrl unsupported RAM-Device size %d\n", - pBankInfoDIMM1->deviceDensity); - return -1; - } - } - /* SDRAM address control */ - DB(mvOsPrintf("Dram: setting sdram address control with: %x \n", addrCtrl)); - - return addrCtrl; -} - -/******************************************************************************* -* sdramTimeCtrlLowRegCalc - Calculate sdram timing control low register -* -* DESCRIPTION: -* This function calculates sdram timing control low register -* optimized value based on the bank info parameters and the minCas. -* -* INPUT: -* pBankInfo - sdram bank parameters -* minCas - minimum CAS supported. -* busClk - Bus clock -* -* OUTPUT: -* None -* -* RETURN: -* sdram timing control low reg value. -* -*******************************************************************************/ -static MV_U32 sdramTimeCtrlLowRegCalc(MV_DRAM_BANK_INFO *pBankInfo, MV_U32 minCas, MV_U32 busClk) -{ - MV_U32 tRp = 0; - MV_U32 tRrd = 0; - MV_U32 tRcd = 0; - MV_U32 tRas = 0; - MV_U32 tWr = 0; - MV_U32 tWtr = 0; - MV_U32 tRtp = 0; - MV_U32 timeCtrlLow = 0; - - MV_U32 bankNum; - - busClk = busClk / 1000000; /* In MHz */ - - /* Scan all DRAM banks to find maximum timing values */ - for (bankNum = 0; bankNum < MV_DRAM_MAX_CS; bankNum++) - { - tRp = MV_MAX(tRp, pBankInfo[bankNum].minRowPrechargeTime); - tRrd = MV_MAX(tRrd, pBankInfo[bankNum].minRowActiveToRowActive); - tRcd = MV_MAX(tRcd, pBankInfo[bankNum].minRasToCasDelay); - tRas = MV_MAX(tRas, pBankInfo[bankNum].minRasPulseWidth); - } - - /* Extract timing (in ns) from SPD value. We ignore the tenth ns part. */ - /* by shifting the data two bits right. */ - tRp = tRp >> 2; /* For example 0x50 -> 20ns */ - tRrd = tRrd >> 2; - tRcd = tRcd >> 2; - - /* Extract clock cycles from time parameter. We need to round up */ - tRp = ((busClk * tRp) / 1000) + (((busClk * tRp) % 1000) ? 1 : 0); - DB(mvOsPrintf("Dram Timing Low: tRp = %d ", tRp)); - tRrd = ((busClk * tRrd) / 1000) + (((busClk * tRrd) % 1000) ? 1 : 0); - /* JEDEC min reqeirments tRrd = 2 */ - if (tRrd < 2) - tRrd = 2; - DB(mvOsPrintf("tRrd = %d ", tRrd)); - tRcd = ((busClk * tRcd) / 1000) + (((busClk * tRcd) % 1000) ? 1 : 0); - DB(mvOsPrintf("tRcd = %d ", tRcd)); - tRas = ((busClk * tRas) / 1000) + (((busClk * tRas) % 1000) ? 1 : 0); - DB(mvOsPrintf("tRas = %d ", tRas)); - - /* tWr and tWtr is different for DDR1 and DDR2. tRtp is only for DDR2 */ - /* Scan all DRAM banks to find maximum timing values */ - for (bankNum = 0; bankNum < MV_DRAM_MAX_CS; bankNum++) - { - tWr = MV_MAX(tWr, pBankInfo[bankNum].minWriteRecoveryTime); - tWtr = MV_MAX(tWtr, pBankInfo[bankNum].minWriteToReadCmdDelay); - tRtp = MV_MAX(tRtp, pBankInfo[bankNum].minReadToPrechCmdDelay); - } - - /* Extract timing (in ns) from SPD value. We ignore the tenth ns */ - /* part by shifting the data two bits right. */ - tWr = tWr >> 2; /* For example 0x50 -> 20ns */ - tWtr = tWtr >> 2; - tRtp = tRtp >> 2; - /* Extract clock cycles from time parameter. We need to round up */ - tWr = ((busClk * tWr) / 1000) + (((busClk * tWr) % 1000) ? 1 : 0); - DB(mvOsPrintf("tWr = %d ", tWr)); - tWtr = ((busClk * tWtr) / 1000) + (((busClk * tWtr) % 1000) ? 1 : 0); - /* JEDEC min reqeirments tWtr = 2 */ - if (tWtr < 2) - tWtr = 2; - DB(mvOsPrintf("tWtr = %d ", tWtr)); - tRtp = ((busClk * tRtp) / 1000) + (((busClk * tRtp) % 1000) ? 1 : 0); - /* JEDEC min reqeirments tRtp = 2 */ - if (tRtp < 2) - tRtp = 2; - DB(mvOsPrintf("tRtp = %d ", tRtp)); - - /* Note: value of 0 in register means one cycle, 1 means two and so on */ - timeCtrlLow = (((tRp - 1) << SDRAM_TRP_OFFS) | - ((tRrd - 1) << SDRAM_TRRD_OFFS) | - ((tRcd - 1) << SDRAM_TRCD_OFFS) | - (((tRas - 1) << SDRAM_TRAS_OFFS) & SDRAM_TRAS_MASK)| - ((tWr - 1) << SDRAM_TWR_OFFS) | - ((tWtr - 1) << SDRAM_TWTR_OFFS) | - ((tRtp - 1) << SDRAM_TRTP_OFFS)); - - /* Check extended tRas bit */ - if ((tRas - 1) & BIT4) - timeCtrlLow |= (1 << SDRAM_EXT_TRAS_OFFS); - - return timeCtrlLow; -} - -/******************************************************************************* -* sdramTimeCtrlHighRegCalc - Calculate sdram timing control high register -* -* DESCRIPTION: -* This function calculates sdram timing control high register -* optimized value based on the bank info parameters and the bus clock. -* -* INPUT: -* pBankInfo - sdram bank parameters -* busClk - Bus clock -* -* OUTPUT: -* None -* -* RETURN: -* sdram timing control high reg value. -* -*******************************************************************************/ -static MV_U32 sdramTimeCtrlHighRegCalc(MV_DRAM_BANK_INFO *pBankInfo, MV_U32 busClk) -{ - MV_U32 tRfc; - MV_U32 timingHigh; - MV_U32 timeNs = 0; - MV_U32 bankNum; - - busClk = busClk / 1000000; /* In MHz */ - - /* Set DDR timing high register static configuration bits */ - timingHigh = MV_REG_READ(SDRAM_TIMING_CTRL_HIGH_REG); - - /* Set DDR timing high register default value */ - timingHigh |= SDRAM_TIMING_CTRL_HIGH_REG_DV; - - /* Clear tRfc field */ - timingHigh &= ~SDRAM_TRFC_MASK; - - /* Scan all DRAM banks to find maximum timing values */ - for (bankNum = 0; bankNum < MV_DRAM_MAX_CS; bankNum++) - { - timeNs = MV_MAX(timeNs, pBankInfo[bankNum].minRefreshToActiveCmd); - DB(mvOsPrintf("Dram: Timing High: minRefreshToActiveCmd = %d\n", - pBankInfo[bankNum].minRefreshToActiveCmd)); - } - if(busClk >= 333 && mvCtrlModelGet() == MV_78XX0_A1_REV) - { - timingHigh |= 0x1 << SDRAM_TR2W_W2R_OFFS; - } - - tRfc = ((busClk * timeNs) / 1000) + (((busClk * timeNs) % 1000) ? 1 : 0); - /* Note: value of 0 in register means one cycle, 1 means two and so on */ - DB(mvOsPrintf("Dram: Timing High: tRfc = %d\n", tRfc)); - timingHigh |= (((tRfc - 1) & SDRAM_TRFC_MASK) << SDRAM_TRFC_OFFS); - DB(mvOsPrintf("Dram: Timing High: tRfc = %d\n", tRfc)); - - /* SDRAM timing high */ - DB(mvOsPrintf("Dram: setting timing high with: %x \n", timingHigh)); - - return timingHigh; -} -/******************************************************************************* -* sdramDDr2OdtConfig - Set DRAM DDR2 On Die Termination registers. -* -* DESCRIPTION: -* This function config DDR2 On Die Termination (ODT) registers. -* -* INPUT: -* pBankInfo - bank info parameters. -* -* OUTPUT: -* None -* -* RETURN: -* None -*******************************************************************************/ -static void sdramDDr2OdtConfig(MV_DRAM_BANK_INFO *pBankInfo) -{ - MV_U32 populateBanks = 0; - MV_U32 odtCtrlLow, odtCtrlHigh, dunitOdtCtrl; - int bankNum; - - /* Represent the populate banks in binary form */ - for(bankNum = 0; bankNum < MV_DRAM_MAX_CS; bankNum++) - { - if (0 != pBankInfo[bankNum].size) - { - populateBanks |= (1 << bankNum); - } - } - - switch(populateBanks) - { - case(BANK_PRESENT_CS0): - case(BANK_PRESENT_CS0_CS1): - odtCtrlLow = DDR2_ODT_CTRL_LOW_CS0_CS1_DV; - odtCtrlHigh = DDR2_ODT_CTRL_HIGH_CS0_CS1_DV; - dunitOdtCtrl = DDR2_DUNIT_ODT_CTRL_CS0_CS1_DV; - break; - case(BANK_PRESENT_CS0_CS2): - case(BANK_PRESENT_CS0_CS1_CS2): - case(BANK_PRESENT_CS0_CS2_CS3): - case(BANK_PRESENT_CS0_CS2_CS3_CS4): - odtCtrlLow = DDR2_ODT_CTRL_LOW_CS0_CS1_CS2_CS3_DV; - odtCtrlHigh = DDR2_ODT_CTRL_HIGH_CS0_CS1_CS2_CS3_DV; - dunitOdtCtrl = DDR2_DUNIT_ODT_CTRL_CS0_CS1_CS2_CS3_DV; - break; - default: - DB(mvOsPrintf("sdramDDr2OdtConfig: Invalid DRAM bank presence\n")); - return; - } - /* DDR2 SDRAM ODT ctrl low */ - DB(mvOsPrintf("Dram: DDR2 setting ODT ctrl low with: %x \n", odtCtrlLow)); - MV_REG_WRITE(DRAM_BUF_REG7, odtCtrlLow); - - /* DDR2 SDRAM ODT ctrl high */ - DB(mvOsPrintf("Dram: DDR2 setting ODT ctrl high with: %x \n", odtCtrlHigh)); - MV_REG_WRITE(DRAM_BUF_REG8, odtCtrlHigh); - - /* DDR2 DUNIT ODT ctrl */ - if ( ((mvCtrlModelGet() == MV_78XX0_DEV_ID) && (mvCtrlRevGet() == MV_78XX0_Y0_REV)) || - (mvCtrlModelGet() == MV_76100_DEV_ID) || - (mvCtrlModelGet() == MV_78100_DEV_ID) || - (mvCtrlModelGet() == MV_78200_DEV_ID) ) - dunitOdtCtrl &= ~(BIT9|BIT8); /* Clear ODT always on */ - - DB(mvOsPrintf("DUNIT: DDR2 setting ODT ctrl with: %x \n", dunitOdtCtrl)); - MV_REG_WRITE(DRAM_BUF_REG9, dunitOdtCtrl); - return; -} -/******************************************************************************* -* sdramDdr2TimeLoRegCalc - Set DDR2 DRAM Timing Low registers. -* -* DESCRIPTION: -* This function config DDR2 DRAM Timing low registers. -* -* INPUT: -* minCas - minimum CAS supported. -* -* OUTPUT: -* None -* -* RETURN: -* DDR2 sdram timing low reg value. -*******************************************************************************/ -static MV_U32 sdramDdr2TimeLoRegCalc(MV_U32 minCas) -{ - MV_U8 cl = -1; - MV_U32 ddr2TimeLoReg; - - /* read and clear the feilds we are going to set */ - ddr2TimeLoReg = MV_REG_READ(SDRAM_DDR2_TIMING_LO_REG); - ddr2TimeLoReg &= ~(SD2TLR_TODT_ON_RD_MASK | - SD2TLR_TODT_OFF_RD_MASK | - SD2TLR_TODT_ON_CTRL_RD_MASK | - SD2TLR_TODT_OFF_CTRL_RD_MASK); - - if( minCas == DDR2_CL_3 ) - { - cl = 3; - } - else if( minCas == DDR2_CL_4 ) - { - cl = 4; - } - else if( minCas == DDR2_CL_5 ) - { - cl = 5; - } - else if( minCas == DDR2_CL_6 ) - { - cl = 6; - } - else - { - DB(mvOsPrintf("sdramDdr2TimeLoRegCalc: CAS latency %d unsupported. using CAS latency 4\n", - minCas)); - cl = 4; - } - - ddr2TimeLoReg |= ((cl-3) << SD2TLR_TODT_ON_RD_OFFS); - ddr2TimeLoReg |= ( cl << SD2TLR_TODT_OFF_RD_OFFS); - ddr2TimeLoReg |= ( cl << SD2TLR_TODT_ON_CTRL_RD_OFFS); - ddr2TimeLoReg |= ((cl+3) << SD2TLR_TODT_OFF_CTRL_RD_OFFS); - - /* DDR2 SDRAM timing low */ - DB(mvOsPrintf("Dram: DDR2 setting timing low with: %x \n", ddr2TimeLoReg)); - - return ddr2TimeLoReg; -} - -/******************************************************************************* -* sdramDdr2TimeHiRegCalc - Set DDR2 DRAM Timing High registers. -* -* DESCRIPTION: -* This function config DDR2 DRAM Timing high registers. -* -* INPUT: -* minCas - minimum CAS supported. -* -* OUTPUT: -* None -* -* RETURN: -* DDR2 sdram timing high reg value. -*******************************************************************************/ -static MV_U32 sdramDdr2TimeHiRegCalc(MV_U32 minCas) -{ - MV_U8 cl = -1; - MV_U32 ddr2TimeHiReg; - - /* read and clear the feilds we are going to set */ - ddr2TimeHiReg = MV_REG_READ(SDRAM_DDR2_TIMING_HI_REG); - ddr2TimeHiReg &= ~(SD2THR_TODT_ON_WR_MASK | - SD2THR_TODT_OFF_WR_MASK | - SD2THR_TODT_ON_CTRL_WR_MASK | - SD2THR_TODT_OFF_CTRL_WR_MASK); - - if( minCas == DDR2_CL_3 ) - { - cl = 3; - } - else if( minCas == DDR2_CL_4 ) - { - cl = 4; - } - else if( minCas == DDR2_CL_5 ) - { - cl = 5; - } - else if( minCas == DDR2_CL_6 ) - { - cl = 6; - } - else - { - mvOsOutput("sdramDdr2TimeHiRegCalc: CAS latency %d unsupported. using CAS latency 4\n", - minCas); - cl = 4; - } - - ddr2TimeHiReg |= ((cl-3) << SD2THR_TODT_ON_WR_OFFS); - ddr2TimeHiReg |= ( cl << SD2THR_TODT_OFF_WR_OFFS); - ddr2TimeHiReg |= ( cl << SD2THR_TODT_ON_CTRL_WR_OFFS); - ddr2TimeHiReg |= ((cl+3) << SD2THR_TODT_OFF_CTRL_WR_OFFS); - - /* DDR2 SDRAM timin high */ - DB(mvOsPrintf("Dram: DDR2 setting timing high with: %x \n", ddr2TimeHiReg)); - - return ddr2TimeHiReg; -} -#endif - -/******************************************************************************* -* mvDramIfCalGet - Get CAS Latency -* -* DESCRIPTION: -* This function get the CAS Latency. -* -* INPUT: -* None -* -* OUTPUT: -* None -* -* RETURN: -* CAS latency times 10 (to avoid using floating point). -* -*******************************************************************************/ -MV_U32 mvDramIfCalGet(void) -{ - MV_U32 sdramCasLat, casLatMask; - - casLatMask = (MV_REG_READ(SDRAM_MODE_REG) & SDRAM_CL_MASK); - - switch (casLatMask) - { - case SDRAM_DDR2_CL_3: - sdramCasLat = 30; - break; - case SDRAM_DDR2_CL_4: - sdramCasLat = 40; - break; - case SDRAM_DDR2_CL_5: - sdramCasLat = 50; - break; - case SDRAM_DDR2_CL_6: - sdramCasLat = 60; - break; - default: - mvOsOutput("mvDramIfCalGet: Err, unknown DDR2 CAL\n"); - return -1; - } - - return sdramCasLat; -} - - -/******************************************************************************* -* mvDramIfSelfRefreshSet - Put the dram in self refresh mode - -* -* DESCRIPTION: -* add support in power management. -* -* -* INPUT: -* None -* -* OUTPUT: -* None -* -* RETURN: -* None -* -*******************************************************************************/ - -MV_VOID mvDramIfSelfRefreshSet() -{ - MV_U32 operReg; - - operReg = MV_REG_READ(SDRAM_OPERATION_REG); - MV_REG_WRITE(SDRAM_OPERATION_REG ,operReg |SDRAM_CMD_SLF_RFRSH); - /* Read until register is reset to 0 */ - while(MV_REG_READ(SDRAM_OPERATION_REG)); -} -/******************************************************************************* -* mvDramIfDimGetSPDversion - return DIMM SPD version. -* -* DESCRIPTION: -* This function prints the DRAM controller information. -* -* INPUT: -* None. -* -* OUTPUT: -* None. -* -* RETURN: -* None. -* -*******************************************************************************/ -static void mvDramIfDimGetSPDversion(MV_U32 *pMajor, MV_U32 *pMinor, MV_U32 bankNum) -{ - MV_DIMM_INFO dimmInfo; - if (bankNum >= MV_DRAM_MAX_CS ) - { - DB(mvOsPrintf("Dram: mvDramIfDimGetSPDversion bad params \n")); - return ; - } - memset(&dimmInfo,0,sizeof(dimmInfo)); - if ( MV_OK != dimmSpdGet((MV_U32)(bankNum/2), &dimmInfo)) - { - DB(mvOsPrintf("Dram: ERR dimmSpdGet failed to get dimm info \n")); - return ; - } - *pMajor = dimmInfo.spdRawData[DIMM_SPD_VERSION]/10; - *pMinor = dimmInfo.spdRawData[DIMM_SPD_VERSION]%10; -} -/******************************************************************************* -* mvDramIfShow - Show DRAM controller information. -* -* DESCRIPTION: -* This function prints the DRAM controller information. -* -* INPUT: -* None. -* -* OUTPUT: -* None. -* -* RETURN: -* None. -* -*******************************************************************************/ -void mvDramIfShow(void) -{ - int i, sdramCasLat, sdramCsSize; - MV_U32 Major=0, Minor=0; - - mvOsOutput("DRAM Controller info:\n"); - - mvOsOutput("Total DRAM "); - mvSizePrint(mvDramIfSizeGet()); - mvOsOutput("\n"); - - for(i = 0; i < MV_DRAM_MAX_CS; i++) - { - sdramCsSize = mvDramIfBankSizeGet(i); - if (sdramCsSize) - { - if (0 == (i & 1)) - { - mvDramIfDimGetSPDversion(&Major, &Minor,i); - mvOsOutput("DIMM %d version %d.%d\n", i/2, Major, Minor); - } - mvOsOutput("\tDRAM CS[%d] ", i); - mvSizePrint(sdramCsSize); - mvOsOutput("\n"); - } - } - sdramCasLat = mvDramIfCalGet(); - - if (MV_REG_READ(SDRAM_CONFIG_REG) & SDRAM_ECC_EN) - { - mvOsOutput("ECC enabled, "); - } - else - { - mvOsOutput("ECC Disabled, "); - } - - if (MV_REG_READ(SDRAM_CONFIG_REG) & SDRAM_REGISTERED) - { - mvOsOutput("Registered DIMM\n"); - } - else - { - mvOsOutput("Non registered DIMM\n"); - } - - mvOsOutput("Configured CAS Latency %d.%d\n", sdramCasLat/10, sdramCasLat%10); -} -/******************************************************************************* -* mvDramIfGetFirstCS - find the DRAM bank on the lower address -* -* -* DESCRIPTION: -* This function return the fisrt CS on address 0 -* -* INPUT: -* None. -* -* OUTPUT: -* None. -* -* RETURN: -* SDRAM_CS0 or SDRAM_CS2 -* -*******************************************************************************/ -MV_U32 mvDramIfGetFirstCS(void) -{ - MV_DRAM_BANK_INFO bankInfo[MV_DRAM_MAX_CS]; - - if (DRAM_CS_Order[0] == N_A) - { - mvDramBankInfoGet(SDRAM_CS0, &bankInfo[SDRAM_CS0]); -#ifdef MV_INCLUDE_SDRAM_CS2 - mvDramBankInfoGet(SDRAM_CS2, &bankInfo[SDRAM_CS2]); -#endif - -#ifdef MV_INCLUDE_SDRAM_CS2 - if (bankInfo[SDRAM_CS0].size < bankInfo[SDRAM_CS2].size) - { - DRAM_CS_Order[0] = SDRAM_CS2; - DRAM_CS_Order[1] = SDRAM_CS3; - DRAM_CS_Order[2] = SDRAM_CS0; - DRAM_CS_Order[3] = SDRAM_CS1; - - return SDRAM_CS2; - } -#endif - DRAM_CS_Order[0] = SDRAM_CS0; - DRAM_CS_Order[1] = SDRAM_CS1; -#ifdef MV_INCLUDE_SDRAM_CS2 - DRAM_CS_Order[2] = SDRAM_CS2; - DRAM_CS_Order[3] = SDRAM_CS3; -#endif - return SDRAM_CS0; - } - return DRAM_CS_Order[0]; -} -/******************************************************************************* -* mvDramIfGetCSorder - -* -* -* DESCRIPTION: -* This function return the fisrt CS on address 0 -* -* INPUT: -* CS number. -* -* OUTPUT: -* CS order. -* -* RETURN: -* SDRAM_CS0 or SDRAM_CS2 -* -* NOTE: mvDramIfGetFirstCS must be caled before this subroutine -*******************************************************************************/ -MV_U32 mvDramIfGetCSorder(MV_U32 csOrder ) -{ - return DRAM_CS_Order[csOrder]; -} - |