--- /dev/null
+/*******************************************************************************
+Copyright (C) Marvell International Ltd. and its affiliates
+
+This software file (the "File") is owned and distributed by Marvell
+International Ltd. and/or its affiliates ("Marvell") under the following
+alternative licensing terms. Once you have made an election to distribute the
+File under one of the following license alternatives, please (i) delete this
+introductory statement regarding license alternatives, (ii) delete the two
+license alternatives that you have not elected to use and (iii) preserve the
+Marvell copyright notice above.
+
+********************************************************************************
+Marvell Commercial License Option
+
+If you received this File from Marvell and you have entered into a commercial
+license agreement (a "Commercial License") with Marvell, the File is licensed
+to you under the terms of the applicable Commercial License.
+
+********************************************************************************
+Marvell GPL License Option
+
+If you received this File from Marvell, you may opt to use, redistribute and/or
+modify this File in accordance with the terms and conditions of the General
+Public License Version 2, June 1991 (the "GPL License"), a copy of which is
+available along with the File in the license.txt file or by writing to the Free
+Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 or
+on the worldwide web at http://www.gnu.org/licenses/gpl.txt.
+
+THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE IMPLIED
+WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY
+DISCLAIMED. The GPL License provides additional details about this warranty
+disclaimer.
+********************************************************************************
+Marvell BSD License Option
+
+If you received this File from Marvell, you may opt to use, redistribute and/or
+modify this File under the following licensing terms.
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ * Neither the name of Marvell nor the names of its contributors may be
+ used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*******************************************************************************/
+
+#include "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);
+
+}
projects / 15.05 / openwrt.git / blobdiff