| /******************************************************************************* |
| Copyright (C) Marvell International Ltd. and its affiliates |
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| ******************************************************************************** |
| Marvell Commercial License Option |
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| 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. |
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| 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 |
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| Redistribution and use in source and binary forms, with or without modification, |
| are permitted provided that the following conditions are met: |
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| * Redistributions of source code must retain the above copyright notice, |
| this list of conditions and the following disclaimer. |
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| * 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. |
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| * Neither the name of Marvell nor the names of its contributors may be |
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| 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 |
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| SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| *******************************************************************************/ |
| |
| #include "mvSysCesa.h" |
| |
| #if (MV_CESA_VERSION >= 2) |
| MV_TARGET tdmaAddrDecPrioTable[] = |
| { |
| #if defined(MV_INCLUDE_SDRAM_CS0) |
| SDRAM_CS0, |
| #endif |
| #if defined(MV_INCLUDE_SDRAM_CS1) |
| SDRAM_CS1, |
| #endif |
| #if defined(MV_INCLUDE_SDRAM_CS2) |
| SDRAM_CS2, |
| #endif |
| #if defined(MV_INCLUDE_SDRAM_CS3) |
| SDRAM_CS3, |
| #endif |
| #if defined(MV_INCLUDE_PEX) |
| PEX0_MEM, |
| #endif |
| |
| TBL_TERM |
| }; |
| |
| /******************************************************************************* |
| * mvCesaWinGet - Get TDMA target address window. |
| * |
| * DESCRIPTION: |
| * Get TDMA target address window. |
| * |
| * INPUT: |
| * winNum - TDMA target address decode window number. |
| * |
| * OUTPUT: |
| * pDecWin - TDMA target window data structure. |
| * |
| * RETURN: |
| * MV_ERROR if register parameters are invalid. |
| * |
| *******************************************************************************/ |
| static MV_STATUS mvCesaWinGet(MV_U32 winNum, MV_DEC_WIN *pDecWin) |
| { |
| MV_DEC_WIN_PARAMS winParam; |
| MV_U32 sizeReg, baseReg; |
| |
| /* Parameter checking */ |
| if (winNum >= MV_CESA_TDMA_ADDR_DEC_WIN) |
| { |
| mvOsPrintf("%s : ERR. Invalid winNum %d\n", |
| __FUNCTION__, winNum); |
| return MV_NOT_SUPPORTED; |
| } |
| |
| baseReg = MV_REG_READ( MV_CESA_TDMA_BASE_ADDR_REG(winNum) ); |
| sizeReg = MV_REG_READ( MV_CESA_TDMA_WIN_CTRL_REG(winNum) ); |
| |
| /* Check if window is enabled */ |
| if(sizeReg & MV_CESA_TDMA_WIN_ENABLE_MASK) |
| { |
| pDecWin->enable = MV_TRUE; |
| |
| /* Extract window parameters from registers */ |
| winParam.targetId = (sizeReg & MV_CESA_TDMA_WIN_TARGET_MASK) >> MV_CESA_TDMA_WIN_TARGET_OFFSET; |
| winParam.attrib = (sizeReg & MV_CESA_TDMA_WIN_ATTR_MASK) >> MV_CESA_TDMA_WIN_ATTR_OFFSET; |
| winParam.size = (sizeReg & MV_CESA_TDMA_WIN_SIZE_MASK) >> MV_CESA_TDMA_WIN_SIZE_OFFSET; |
| winParam.baseAddr = (baseReg & MV_CESA_TDMA_WIN_BASE_MASK); |
| |
| /* Translate the decode window parameters to address decode struct */ |
| if (MV_OK != mvCtrlParamsToAddrDec(&winParam, pDecWin)) |
| { |
| mvOsPrintf("Failed to translate register parameters to CESA address" \ |
| " decode window structure\n"); |
| return MV_ERROR; |
| } |
| } |
| else |
| { |
| pDecWin->enable = MV_FALSE; |
| } |
| return MV_OK; |
| } |
| |
| /******************************************************************************* |
| * cesaWinOverlapDetect - Detect CESA TDMA address windows overlapping |
| * |
| * DESCRIPTION: |
| * An unpredicted behaviur is expected in case TDMA address decode |
| * windows overlapps. |
| * This function detects TDMA address decode windows overlapping of a |
| * specified window. The function does not check the window itself for |
| * overlapping. The function also skipps disabled address decode windows. |
| * |
| * INPUT: |
| * winNum - address decode window number. |
| * pAddrDecWin - An address decode window struct. |
| * |
| * OUTPUT: |
| * None. |
| * |
| * RETURN: |
| * MV_TRUE - if the given address window overlap current address |
| * decode map, |
| * MV_FALSE - otherwise, MV_ERROR if reading invalid data |
| * from registers. |
| * |
| *******************************************************************************/ |
| static MV_STATUS cesaWinOverlapDetect(MV_U32 winNum, MV_ADDR_WIN *pAddrWin) |
| { |
| MV_U32 winNumIndex; |
| MV_DEC_WIN addrDecWin; |
| |
| for(winNumIndex=0; winNumIndex<MV_CESA_TDMA_ADDR_DEC_WIN; winNumIndex++) |
| { |
| /* Do not check window itself */ |
| if (winNumIndex == winNum) |
| { |
| continue; |
| } |
| |
| /* Get window parameters */ |
| if (MV_OK != mvCesaWinGet(winNumIndex, &addrDecWin)) |
| { |
| mvOsPrintf("%s: ERR. TargetWinGet failed\n", __FUNCTION__); |
| return MV_ERROR; |
| } |
| |
| /* Do not check disabled windows */ |
| if(addrDecWin.enable == MV_FALSE) |
| { |
| continue; |
| } |
| |
| if (MV_TRUE == ctrlWinOverlapTest(pAddrWin, &(addrDecWin.addrWin))) |
| { |
| return MV_TRUE; |
| } |
| } |
| return MV_FALSE; |
| } |
| |
| /******************************************************************************* |
| * mvCesaTdmaWinSet - Set CESA TDMA target address window |
| * |
| * DESCRIPTION: |
| * This function sets a peripheral target (e.g. SDRAM bank0, PCI_MEM0) |
| * address window, also known as address decode window. |
| * After setting this target window, the CESA TDMA will be able to access the |
| * target within the address window. |
| * |
| * INPUT: |
| * winNum - CESA TDMA target address decode window number. |
| * pAddrDecWin - CESA TDMA target window data structure. |
| * |
| * OUTPUT: |
| * None. |
| * |
| * RETURN: |
| * MV_ERROR - if address window overlapps with other address decode windows. |
| * MV_BAD_PARAM - if base address is invalid parameter or target is |
| * unknown. |
| * |
| *******************************************************************************/ |
| static MV_STATUS mvCesaTdmaWinSet(MV_U32 winNum, MV_DEC_WIN *pDecWin) |
| { |
| MV_DEC_WIN_PARAMS winParams; |
| MV_U32 sizeReg, baseReg; |
| |
| /* Parameter checking */ |
| if (winNum >= MV_CESA_TDMA_ADDR_DEC_WIN) |
| { |
| mvOsPrintf("mvCesaTdmaWinSet: ERR. Invalid win num %d\n",winNum); |
| return MV_BAD_PARAM; |
| } |
| |
| /* Check if the requested window overlapps with current windows */ |
| if (MV_TRUE == cesaWinOverlapDetect(winNum, &pDecWin->addrWin)) |
| { |
| mvOsPrintf("%s: ERR. Window %d overlap\n", __FUNCTION__, winNum); |
| return MV_ERROR; |
| } |
| |
| /* check if address is aligned to the size */ |
| if(MV_IS_NOT_ALIGN(pDecWin->addrWin.baseLow, pDecWin->addrWin.size)) |
| { |
| mvOsPrintf("mvCesaTdmaWinSet: Error setting CESA TDMA window %d to "\ |
| "target %s.\nAddress 0x%08x is unaligned to size 0x%x.\n", |
| winNum, |
| mvCtrlTargetNameGet(pDecWin->target), |
| pDecWin->addrWin.baseLow, |
| pDecWin->addrWin.size); |
| return MV_ERROR; |
| } |
| |
| if(MV_OK != mvCtrlAddrDecToParams(pDecWin, &winParams)) |
| { |
| mvOsPrintf("%s: mvCtrlAddrDecToParams Failed\n", __FUNCTION__); |
| return MV_ERROR; |
| } |
| |
| /* set Size, Attributes and TargetID */ |
| sizeReg = (((winParams.targetId << MV_CESA_TDMA_WIN_TARGET_OFFSET) & MV_CESA_TDMA_WIN_TARGET_MASK) | |
| ((winParams.attrib << MV_CESA_TDMA_WIN_ATTR_OFFSET) & MV_CESA_TDMA_WIN_ATTR_MASK) | |
| ((winParams.size << MV_CESA_TDMA_WIN_SIZE_OFFSET) & MV_CESA_TDMA_WIN_SIZE_MASK)); |
| |
| if (pDecWin->enable == MV_TRUE) |
| { |
| sizeReg |= MV_CESA_TDMA_WIN_ENABLE_MASK; |
| } |
| else |
| { |
| sizeReg &= ~MV_CESA_TDMA_WIN_ENABLE_MASK; |
| } |
| |
| /* Update Base value */ |
| baseReg = (winParams.baseAddr & MV_CESA_TDMA_WIN_BASE_MASK); |
| |
| MV_REG_WRITE( MV_CESA_TDMA_WIN_CTRL_REG(winNum), sizeReg); |
| MV_REG_WRITE( MV_CESA_TDMA_BASE_ADDR_REG(winNum), baseReg); |
| |
| return MV_OK; |
| } |
| |
| |
| static MV_STATUS mvCesaTdmaAddrDecInit (void) |
| { |
| MV_U32 winNum; |
| MV_STATUS status; |
| MV_CPU_DEC_WIN cpuAddrDecWin; |
| MV_DEC_WIN cesaWin; |
| MV_U32 winPrioIndex = 0; |
| |
| /* First disable all address decode windows */ |
| for(winNum=0; winNum<MV_CESA_TDMA_ADDR_DEC_WIN; winNum++) |
| { |
| MV_REG_BIT_RESET(MV_CESA_TDMA_WIN_CTRL_REG(winNum), MV_CESA_TDMA_WIN_ENABLE_MASK); |
| } |
| |
| /* Go through all windows in user table until table terminator */ |
| winNum = 0; |
| while( (tdmaAddrDecPrioTable[winPrioIndex] != TBL_TERM) && |
| (winNum < MV_CESA_TDMA_ADDR_DEC_WIN) ) { |
| |
| /* first get attributes from CPU If */ |
| status = mvCpuIfTargetWinGet(tdmaAddrDecPrioTable[winPrioIndex], |
| &cpuAddrDecWin); |
| if(MV_NO_SUCH == status){ |
| winPrioIndex++; |
| continue; |
| } |
| |
| if (MV_OK != status) |
| { |
| mvOsPrintf("cesaInit: TargetWinGet failed. winNum=%d, winIdx=%d, target=%d, status=0x%x\n", |
| winNum, winPrioIndex, tdmaAddrDecPrioTable[winPrioIndex], status); |
| return MV_ERROR; |
| } |
| if (cpuAddrDecWin.enable == MV_TRUE) |
| { |
| cesaWin.addrWin.baseHigh = cpuAddrDecWin.addrWin.baseHigh; |
| cesaWin.addrWin.baseLow = cpuAddrDecWin.addrWin.baseLow; |
| cesaWin.addrWin.size = cpuAddrDecWin.addrWin.size; |
| cesaWin.enable = MV_TRUE; |
| cesaWin.target = tdmaAddrDecPrioTable[winPrioIndex]; |
| |
| #if defined(MV646xx) |
| /* Get the default attributes for that target window */ |
| mvCtrlDefAttribGet(cesaWin.target, &cesaWin.addrWinAttr); |
| #endif /* MV646xx */ |
| |
| if(MV_OK != mvCesaTdmaWinSet(winNum, &cesaWin)) |
| { |
| mvOsPrintf("mvCesaTdmaWinSet FAILED: winNum=%d\n", |
| winNum); |
| return MV_ERROR; |
| } |
| winNum++; |
| } |
| winPrioIndex++; |
| } |
| return MV_OK; |
| } |
| #endif /* MV_CESA_VERSION >= 2 */ |
| |
| |
| |
| |
| MV_STATUS mvCesaInit (int numOfSession, int queueDepth, char* pSramBase, void *osHandle) |
| { |
| MV_U32 cesaCryptEngBase; |
| MV_CPU_DEC_WIN addrDecWin; |
| |
| if(sizeof(MV_CESA_SRAM_MAP) > MV_CESA_SRAM_SIZE) |
| { |
| mvOsPrintf("mvCesaInit: Wrong SRAM map - %ld > %d\n", |
| sizeof(MV_CESA_SRAM_MAP), MV_CESA_SRAM_SIZE); |
| return MV_FAIL; |
| } |
| #if 0 |
| if (mvCpuIfTargetWinGet(CRYPT_ENG, &addrDecWin) == MV_OK) |
| cesaCryptEngBase = addrDecWin.addrWin.baseLow; |
| else |
| { |
| mvOsPrintf("mvCesaInit: ERR. mvCpuIfTargetWinGet failed\n"); |
| return MV_ERROR; |
| } |
| #else |
| cesaCryptEngBase = (MV_U32)pSramBase; |
| #endif |
| |
| #if 0 /* Already done in the platform init */ |
| #if (MV_CESA_VERSION >= 2) |
| mvCesaTdmaAddrDecInit(); |
| #endif /* MV_CESA_VERSION >= 2 */ |
| #endif |
| return mvCesaHalInit(numOfSession, queueDepth, pSramBase, cesaCryptEngBase, |
| osHandle); |
| |
| } |