diff options
Diffstat (limited to 'target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/ctrlEnv/sys/mvSysCesa.c')
| -rw-r--r-- | target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/ctrlEnv/sys/mvSysCesa.c | 382 |
1 files changed, 382 insertions, 0 deletions
diff --git a/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/ctrlEnv/sys/mvSysCesa.c b/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/ctrlEnv/sys/mvSysCesa.c new file mode 100644 index 000000000..84d0cd0bd --- /dev/null +++ b/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/ctrlEnv/sys/mvSysCesa.c @@ -0,0 +1,382 @@ +/******************************************************************************* +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 "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); + +} |