diff options
Diffstat (limited to 'target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/ctrlEnv/sys/mvSysXor.c')
| -rw-r--r-- | target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/ctrlEnv/sys/mvSysXor.c | 662 |
1 files changed, 662 insertions, 0 deletions
diff --git a/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/ctrlEnv/sys/mvSysXor.c b/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/ctrlEnv/sys/mvSysXor.c new file mode 100644 index 000000000..f9d0ab37d --- /dev/null +++ b/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/ctrlEnv/sys/mvSysXor.c @@ -0,0 +1,662 @@ +/******************************************************************************* +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 "xor/mvXor.h" +#include "mvSysXor.h" + +/* defines */ +#ifdef MV_DEBUG + #define DB(x) x +#else + #define DB(x) +#endif + + +static MV_STATUS xorWinOverlapDetect(MV_U32 unit,MV_U32 winNum, MV_ADDR_WIN *pAddrWin); + +MV_TARGET xorAddrDecPrioTap[] = +{ +#if defined(MV_INCLUDE_DEVICE_CS0) + DEVICE_CS0, +#endif +#if defined(MV_INCLUDE_PEX) + PEX0_MEM, +#endif +#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_DEVICE_CS1) + DEVICE_CS1, +#endif +#if defined(MV_INCLUDE_CESA) + CRYPT_ENG, +#endif + TBL_TERM +}; +static MV_STATUS mvXorInitWinsUnit (MV_U32 unit) +{ + MV_U32 winNum; + MV_XOR_DEC_WIN addrDecWin; + MV_CPU_DEC_WIN cpuAddrDecWin; + MV_U32 status; + MV_U32 winPrioIndex=0; + + /* Initiate XOR address decode */ + + /* First disable all address decode windows */ + for(winNum = 0; winNum < XOR_MAX_ADDR_DEC_WIN; winNum++) + { + mvXorTargetWinEnable(unit,winNum, MV_FALSE); + } + + /* Go through all windows in user table until table terminator */ + for (winNum = 0; ((xorAddrDecPrioTap[winPrioIndex] != TBL_TERM) && + (winNum < XOR_MAX_ADDR_DEC_WIN));) + { + /* first get attributes from CPU If */ + status = mvCpuIfTargetWinGet(xorAddrDecPrioTap[winPrioIndex], + &cpuAddrDecWin); + + if(MV_NO_SUCH == status) + { + winPrioIndex++; + continue; + } + if (MV_OK != status) + { + mvOsPrintf("%s: ERR. mvCpuIfTargetWinGet failed\n", __FUNCTION__); + return MV_ERROR; + } + + + if (cpuAddrDecWin.enable == MV_TRUE) + { + + addrDecWin.target = xorAddrDecPrioTap[winPrioIndex]; + addrDecWin.addrWin.baseLow = cpuAddrDecWin.addrWin.baseLow; + addrDecWin.addrWin.baseHigh = cpuAddrDecWin.addrWin.baseHigh; + addrDecWin.addrWin.size = cpuAddrDecWin.addrWin.size; + addrDecWin.enable = MV_TRUE; + + if (MV_OK != mvXorTargetWinSet(unit,winNum, &addrDecWin)) + { + DB(mvOsPrintf("mvXorInit: ERR. mvDmaTargetWinSet failed\n")); + return MV_ERROR; + } + winNum++; + } + winPrioIndex++; + + } + + return MV_OK; +} + + +/******************************************************************************* +* mvXorInit - Initialize XOR engine +* +* DESCRIPTION: +* This function initialize XOR unit. It set the default address decode +* windows of the unit. +* Note that if the address window is disabled in xorAddrDecMap, the +* window parameters will be set but the window will remain disabled. +* +* INPUT: +* None. +* +* OUTPUT: +* None. +* +* RETURN: +* MV_BAD_PARAM if parameters to function invalid, MV_OK otherwise. +*******************************************************************************/ +MV_STATUS mvXorInit (MV_VOID) +{ + MV_U32 i; + + /* Initiate XOR address decode */ + for(i = 0; i < MV_XOR_MAX_UNIT; i++) + mvXorInitWinsUnit(i); + + mvXorHalInit(MV_XOR_MAX_CHAN); + + return MV_OK; +} + +/******************************************************************************* +* mvXorTargetWinSet - Set XOR target address window +* +* DESCRIPTION: +* This function sets a peripheral target (e.g. SDRAM bank0, PCI_MEM0) +* address window. After setting this target window, the XOR will be +* able to access the target within the address window. +* +* INPUT: +* winNum - One of the possible XOR memory decode windows. +* target - Peripheral target enumerator. +* base - Window base address. +* size - Window size. +* enable - Window enable/disable. +* +* OUTPUT: +* None. +* +* RETURN: +* MV_BAD_PARAM if parameters to function invalid, MV_OK otherwise. +* +*******************************************************************************/ +MV_STATUS mvXorTargetWinSet(MV_U32 unit, MV_U32 winNum, MV_XOR_DEC_WIN *pAddrDecWin) +{ + MV_DEC_REGS xorDecRegs; + MV_TARGET_ATTRIB targetAttribs; + MV_U32 chan; + + /* Parameter checking */ + if (winNum >= XOR_MAX_ADDR_DEC_WIN) + { + DB(mvOsPrintf("%s: ERR. Invalid win num %d\n",__FUNCTION__, winNum)); + return MV_BAD_PARAM; + } + if (pAddrDecWin == NULL) + { + DB(mvOsPrintf("%s: ERR. pAddrDecWin is NULL pointer\n", __FUNCTION__ )); + return MV_BAD_PTR; + } + /* Check if the requested window overlaps with current windows */ + if (MV_TRUE == xorWinOverlapDetect(unit, winNum, &pAddrDecWin->addrWin)) + { + DB(mvOsPrintf("%s: ERR. Window %d overlap\n",__FUNCTION__,winNum)); + return MV_ERROR; + } + + xorDecRegs.baseReg = MV_REG_READ(XOR_BASE_ADDR_REG(unit,winNum)); + xorDecRegs.sizeReg = MV_REG_READ(XOR_SIZE_MASK_REG(unit,winNum)); + + /* Get Base Address and size registers values */ + if(MV_OK != mvCtrlAddrDecToReg(&pAddrDecWin->addrWin, &xorDecRegs)) + { + DB(mvOsPrintf("%s: ERR. Invalid addr dec window\n",__FUNCTION__)); + return MV_BAD_PARAM; + } + + + mvCtrlAttribGet(pAddrDecWin->target,&targetAttribs); + + /* set attributes */ + xorDecRegs.baseReg &= ~XEBARX_ATTR_MASK; + xorDecRegs.baseReg |= targetAttribs.attrib << XEBARX_ATTR_OFFS; + /* set target ID */ + xorDecRegs.baseReg &= ~XEBARX_TARGET_MASK; + xorDecRegs.baseReg |= targetAttribs.targetId << XEBARX_TARGET_OFFS; + + + /* Write to address decode Base Address Register */ + MV_REG_WRITE(XOR_BASE_ADDR_REG(unit,winNum), xorDecRegs.baseReg); + + /* Write to Size Register */ + MV_REG_WRITE(XOR_SIZE_MASK_REG(unit,winNum), xorDecRegs.sizeReg); + + for (chan = 0; chan < MV_XOR_MAX_CHAN_PER_UNIT; chan++) + { + if (pAddrDecWin->enable) + { + MV_REG_BIT_SET(XOR_WINDOW_CTRL_REG(unit,chan), + XEXWCR_WIN_EN_MASK(winNum)); + } + else + { + MV_REG_BIT_RESET(XOR_WINDOW_CTRL_REG(unit,chan), + XEXWCR_WIN_EN_MASK(winNum)); + } + } + return MV_OK; +} + +/******************************************************************************* +* mvXorTargetWinGet - Get xor peripheral target address window. +* +* DESCRIPTION: +* Get xor peripheral target address window. +* +* INPUT: +* winNum - One of the possible XOR memory decode windows. +* +* OUTPUT: +* base - Window base address. +* size - Window size. +* enable - window enable/disable. +* +* RETURN: +* MV_BAD_PARAM if parameters to function invalid, MV_OK otherwise. +* +*******************************************************************************/ +MV_STATUS mvXorTargetWinGet(MV_U32 unit,MV_U32 winNum, MV_XOR_DEC_WIN *pAddrDecWin) +{ + MV_DEC_REGS xorDecRegs; + MV_TARGET_ATTRIB targetAttrib; + MV_U32 chan=0,chanWinEn; + + /* Parameter checking */ + if (winNum >= XOR_MAX_ADDR_DEC_WIN) + { + DB(mvOsPrintf("%s: ERR. Invalid win num %d\n",__FUNCTION__ , winNum)); + return MV_ERROR; + } + + if (NULL == pAddrDecWin) + { + DB(mvOsPrintf("%s: ERR. pAddrDecWin is NULL pointer\n", __FUNCTION__ )); + return MV_BAD_PTR; + } + + chanWinEn = MV_REG_READ(XOR_WINDOW_CTRL_REG(unit,0)) & XEXWCR_WIN_EN_MASK(winNum); + + for (chan = 0; chan < MV_XOR_MAX_CHAN_PER_UNIT; chan++) /* we should scan here all channels per unit */ + { + /* Check if enable bit is equal for all channels */ + if ((MV_REG_READ(XOR_WINDOW_CTRL_REG(unit,chan)) & + XEXWCR_WIN_EN_MASK(winNum)) != chanWinEn) + { + mvOsPrintf("%s: ERR. Window enable field must be equal in " + "all channels(chan=%d)\n",__FUNCTION__, chan); + return MV_ERROR; + } + } + + + + xorDecRegs.baseReg = MV_REG_READ(XOR_BASE_ADDR_REG(unit,winNum)); + xorDecRegs.sizeReg = MV_REG_READ(XOR_SIZE_MASK_REG(unit,winNum)); + + if (MV_OK != mvCtrlRegToAddrDec(&xorDecRegs, &pAddrDecWin->addrWin)) + { + mvOsPrintf("%s: ERR. mvCtrlRegToAddrDec failed\n", __FUNCTION__); + return MV_ERROR; + } + + /* attrib and targetId */ + targetAttrib.attrib = + (xorDecRegs.baseReg & XEBARX_ATTR_MASK) >> XEBARX_ATTR_OFFS; + targetAttrib.targetId = + (xorDecRegs.baseReg & XEBARX_TARGET_MASK) >> XEBARX_TARGET_OFFS; + + + pAddrDecWin->target = mvCtrlTargetGet(&targetAttrib); + + if(chanWinEn) + { + pAddrDecWin->enable = MV_TRUE; + } + else pAddrDecWin->enable = MV_FALSE; + + return MV_OK; +} + +/******************************************************************************* +* mvXorTargetWinEnable - Enable/disable a Xor address decode window +* +* DESCRIPTION: +* This function enable/disable a XOR address decode window. +* if parameter 'enable' == MV_TRUE the routine will enable the +* window, thus enabling XOR accesses (before enabling the window it is +* tested for overlapping). Otherwise, the window will be disabled. +* +* INPUT: +* winNum - Decode window number. +* enable - Enable/disable parameter. +* +* OUTPUT: +* None. +* +* RETURN: +* MV_BAD_PARAM if parameters to function invalid, MV_OK otherwise. +* +*******************************************************************************/ +MV_STATUS mvXorTargetWinEnable(MV_U32 unit,MV_U32 winNum, MV_BOOL enable) +{ + MV_XOR_DEC_WIN addrDecWin; + MV_U32 chan; + + /* Parameter checking */ + if (winNum >= XOR_MAX_ADDR_DEC_WIN) + { + DB(mvOsPrintf("%s: ERR. Invalid winNum%d\n", __FUNCTION__, winNum)); + return MV_ERROR; + } + + if (enable == MV_TRUE) + { + /* Get current window */ + if (MV_OK != mvXorTargetWinGet(unit,winNum, &addrDecWin)) + { + DB(mvOsPrintf("%s: ERR. targetWinGet fail\n", __FUNCTION__)); + return MV_ERROR; + } + + /* Check for overlapping */ + if (MV_TRUE == xorWinOverlapDetect(unit,winNum, &(addrDecWin.addrWin))) + { + /* Overlap detected */ + DB(mvOsPrintf("%s: ERR. Overlap detected\n", __FUNCTION__)); + return MV_ERROR; + } + + /* No Overlap. Enable address decode target window */ + for (chan = 0; chan < MV_XOR_MAX_CHAN_PER_UNIT; chan++) + { + MV_REG_BIT_SET(XOR_WINDOW_CTRL_REG(unit,chan), + XEXWCR_WIN_EN_MASK(winNum)); + } + + } + else + { + /* Disable address decode target window */ + + for (chan = 0; chan < MV_XOR_MAX_CHAN_PER_UNIT; chan++) + { + MV_REG_BIT_RESET(XOR_WINDOW_CTRL_REG(unit,chan), + XEXWCR_WIN_EN_MASK(winNum)); + } + + } + + return MV_OK; +} + +/******************************************************************************* +* mvXorSetProtWinSet - Configure access attributes of a XOR engine +* to one of the XOR memory windows. +* +* DESCRIPTION: +* Each engine can be configured with access attributes for each of the +* memory spaces. This function sets access attributes +* to a given window for the given engine +* +* INPUTS: +* chan - One of the possible engines. +* winNum - One of the possible XOR memory spaces. +* access - Protection access rights. +* write - Write rights. +* +* OUTPUT: +* None. +* +* RETURN: +* MV_BAD_PARAM if parameters to function invalid, MV_OK otherwise. +* +*******************************************************************************/ +MV_STATUS mvXorProtWinSet (MV_U32 unit,MV_U32 chan, MV_U32 winNum, MV_BOOL access, + MV_BOOL write) +{ + MV_U32 temp; + + /* Parameter checking */ + if (chan >= MV_XOR_MAX_CHAN_PER_UNIT) + { + DB(mvOsPrintf("%s: ERR. Invalid chan num %d\n", __FUNCTION__ , chan)); + return MV_BAD_PARAM; + } + if (winNum >= XOR_MAX_ADDR_DEC_WIN) + { + DB(mvOsPrintf("%s: ERR. Invalid win num %d\n", __FUNCTION__, winNum)); + return MV_BAD_PARAM; + } + + temp = MV_REG_READ(XOR_WINDOW_CTRL_REG(unit,chan)) & + (~XEXWCR_WIN_ACC_MASK(winNum)); + + /* if access is disable */ + if (!access) + { + /* disable access */ + temp |= XEXWCR_WIN_ACC_NO_ACC(winNum); + } + /* if access is enable */ + else + { + /* if write is enable */ + if (write) + { + /* enable write */ + temp |= XEXWCR_WIN_ACC_RW(winNum); + } + /* if write is disable */ + else + { + /* disable write */ + temp |= XEXWCR_WIN_ACC_RO(winNum); + } + } + MV_REG_WRITE(XOR_WINDOW_CTRL_REG(unit,chan),temp); + return MV_OK; +} + +/******************************************************************************* +* mvXorPciRemap - Set XOR remap register for PCI address windows. +* +* DESCRIPTION: +* only Windows 0-3 can be remapped. +* +* INPUT: +* winNum - window number +* pAddrDecWin - pointer to address space window structure +* OUTPUT: +* None. +* +* RETURN: +* MV_BAD_PARAM if parameters to function invalid, MV_OK otherwise. +* +*******************************************************************************/ +MV_STATUS mvXorPciRemap(MV_U32 unit,MV_U32 winNum, MV_U32 addrHigh) +{ + /* Parameter checking */ + if (winNum >= XOR_MAX_REMAP_WIN) + { + DB(mvOsPrintf("%s: ERR. Invalid win num %d\n", __FUNCTION__, winNum)); + return MV_BAD_PARAM; + } + + MV_REG_WRITE(XOR_HIGH_ADDR_REMAP_REG(unit,winNum), addrHigh); + + return MV_OK; +} + +/******************************************************************************* +* xorWinOverlapDetect - Detect XOR address windows overlaping +* +* DESCRIPTION: +* An unpredicted behaviour is expected in case XOR address decode +* windows overlaps. +* This function detects XOR address decode windows overlaping of a +* specified window. The function does not check the window itself for +* overlaping. 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 xorWinOverlapDetect(MV_U32 unit,MV_U32 winNum, MV_ADDR_WIN *pAddrWin) +{ + MV_U32 baseAddrEnableReg; + MV_U32 winNumIndex,chan; + MV_XOR_DEC_WIN addrDecWin; + + if (pAddrWin == NULL) + { + DB(mvOsPrintf("%s: ERR. pAddrWin is NULL pointer\n", __FUNCTION__ )); + return MV_BAD_PTR; + } + + for (chan = 0; chan < MV_XOR_MAX_CHAN_PER_UNIT; chan++) + { + /* Read base address enable register. Do not check disabled windows */ + baseAddrEnableReg = MV_REG_READ(XOR_WINDOW_CTRL_REG(unit,chan)); + + for (winNumIndex = 0; winNumIndex < XOR_MAX_ADDR_DEC_WIN; winNumIndex++) + { + /* Do not check window itself */ + if (winNumIndex == winNum) + { + continue; + } + + /* Do not check disabled windows */ + if ((baseAddrEnableReg & XEXWCR_WIN_EN_MASK(winNumIndex)) == 0) + { + continue; + } + + /* Get window parameters */ + if (MV_OK != mvXorTargetWinGet(unit,winNumIndex, &addrDecWin)) + { + DB(mvOsPrintf("%s: ERR. TargetWinGet failed\n", __FUNCTION__ )); + return MV_ERROR; + } + + if (MV_TRUE == ctrlWinOverlapTest(pAddrWin, &(addrDecWin.addrWin))) + { + return MV_TRUE; + } + } + } + + return MV_FALSE; +} + +static MV_VOID mvXorAddrDecShowUnit(MV_U32 unit) +{ + MV_XOR_DEC_WIN win; + int i; + + mvOsOutput( "\n" ); + mvOsOutput( "XOR %d:\n", unit ); + mvOsOutput( "----\n" ); + + for( i = 0; i < XOR_MAX_ADDR_DEC_WIN; i++ ) + { + memset( &win, 0, sizeof(MV_XOR_DEC_WIN) ); + + mvOsOutput( "win%d - ", i ); + + if( mvXorTargetWinGet(unit, i, &win ) == MV_OK ) + { + if( win.enable ) + { + mvOsOutput( "%s base %x, ", + mvCtrlTargetNameGet(win.target), win.addrWin.baseLow ); + + mvSizePrint( win.addrWin.size ); + + mvOsOutput( "\n" ); + } + else + mvOsOutput( "disable\n" ); + } + } +} + +/******************************************************************************* +* mvXorAddrDecShow - Print the XOR address decode map. +* +* DESCRIPTION: +* This function print the XOR address decode map. +* +* INPUT: +* None. +* +* OUTPUT: +* None. +* +* RETURN: +* None. +* +*******************************************************************************/ +MV_VOID mvXorAddrDecShow(MV_VOID) +{ + int i; + + for( i = 0; i < MV_XOR_MAX_UNIT; i++ ) + mvXorAddrDecShowUnit(i); + +} |