diff options
Diffstat (limited to 'target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/ctrlEnv/sys/mvSysTs.c')
| -rw-r--r-- | target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/ctrlEnv/sys/mvSysTs.c | 591 |
1 files changed, 591 insertions, 0 deletions
diff --git a/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/ctrlEnv/sys/mvSysTs.c b/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/ctrlEnv/sys/mvSysTs.c new file mode 100644 index 000000000..4415c7c26 --- /dev/null +++ b/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/ctrlEnv/sys/mvSysTs.c @@ -0,0 +1,591 @@ +/******************************************************************************* +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 "ctrlEnv/sys/mvSysTs.h" + + +typedef struct _mvTsuDecWin +{ + MV_TARGET target; + MV_ADDR_WIN addrWin; /* An address window*/ + MV_BOOL enable; /* Address decode window is enabled/disabled */ + +}MV_TSU_DEC_WIN; + + +MV_TARGET tsuAddrDecPrioTap[] = +{ +#if defined(MV_INCLUDE_PEX) + PEX0_MEM, +#endif +#if defined(MV_INCLUDE_PCI) + PCI0_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_CS0) + DEVICE_CS0, +#endif +#if defined(MV_INCLUDE_DEVICE_CS1) + DEVICE_CS1, +#endif +#if defined(MV_INCLUDE_DEVICE_CS2) + DEVICE_CS2, +#endif +#if defined(MV_INCLUDE_DEVICE_CS3) + DEVICE_CS3, +#endif +#if defined(MV_INCLUDE_PEX) + PEX0_IO, +#endif +#if defined(MV_INCLUDE_PCI) + PCI0_IO, +#endif + TBL_TERM +}; + +static MV_STATUS tsuWinOverlapDetect(MV_U32 winNum, MV_ADDR_WIN *pAddrWin); +static MV_STATUS mvTsuWinSet(MV_U32 winNum, MV_TSU_DEC_WIN *pAddrDecWin); +static MV_STATUS mvTsuWinGet(MV_U32 winNum, MV_TSU_DEC_WIN *pAddrDecWin); +MV_STATUS mvTsuWinEnable(MV_U32 winNum,MV_BOOL enable); + +/******************************************************************************* +* mvTsuWinInit +* +* DESCRIPTION: +* Initialize the TSU unit address decode windows. +* +* INPUT: +* None. +* OUTPUT: +* None. +* RETURN: +* MV_OK - on success, +* +*******************************************************************************/ +MV_STATUS mvTsuWinInit(void) +{ + MV_U32 winNum, status, winPrioIndex=0; + MV_TSU_DEC_WIN tsuWin; + MV_CPU_DEC_WIN cpuAddrDecWin; + + /* First disable all address decode windows */ + for(winNum = 0; winNum < TSU_MAX_DECODE_WIN; winNum++) + { + MV_REG_BIT_RESET(MV_TSU_WIN_CTRL_REG(winNum), + TSU_WIN_CTRL_EN_MASK); + } + + /* Go through all windows in user table until table terminator */ + for(winNum = 0; ((tsuAddrDecPrioTap[winPrioIndex] != TBL_TERM) && + (winNum < TSU_MAX_DECODE_WIN));) + { + /* first get attributes from CPU If */ + status = mvCpuIfTargetWinGet(tsuAddrDecPrioTap[winPrioIndex], + &cpuAddrDecWin); + + if(MV_NO_SUCH == status) + { + winPrioIndex++; + continue; + } + if(MV_OK != status) + { + mvOsPrintf("mvTsuWinInit: ERR. mvCpuIfTargetWinGet failed\n"); + return MV_ERROR; + } + + if (cpuAddrDecWin.enable == MV_TRUE) + { + tsuWin.addrWin.baseHigh = cpuAddrDecWin.addrWin.baseHigh; + tsuWin.addrWin.baseLow = cpuAddrDecWin.addrWin.baseLow; + tsuWin.addrWin.size = cpuAddrDecWin.addrWin.size; + tsuWin.enable = MV_TRUE; + tsuWin.target = tsuAddrDecPrioTap[winPrioIndex]; + + if(MV_OK != mvTsuWinSet(winNum, &tsuWin)) + { + mvOsPrintf("mvTsuWinInit: ERR. mvTsuWinSet failed winNum=%d\n", + winNum); + return MV_ERROR; + } + winNum++; + } + winPrioIndex ++; + } + + return MV_OK; +} + + +/******************************************************************************* +* mvTsuWinSet +* +* 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 TSU will be able to access the +* target within the address window. +* +* INPUT: +* winNum - TSU to target address decode window number. +* pAddrDecWin - TSU 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. +* +*******************************************************************************/ +MV_STATUS mvTsuWinSet(MV_U32 winNum, MV_TSU_DEC_WIN *pAddrDecWin) +{ + MV_TARGET_ATTRIB targetAttribs; + MV_DEC_REGS decRegs; + + /* Parameter checking */ + if(winNum >= TSU_MAX_DECODE_WIN) + { + mvOsPrintf("mvTsuWinSet: ERR. Invalid win num %d\n",winNum); + return MV_BAD_PARAM; + } + + /* Check if the requested window overlapps with current windows */ + if(MV_TRUE == tsuWinOverlapDetect(winNum, &pAddrDecWin->addrWin)) + { + mvOsPrintf("mvTsuWinSet: ERR. Window %d overlap\n", winNum); + return MV_ERROR; + } + + /* check if address is aligned to the size */ + if(MV_IS_NOT_ALIGN(pAddrDecWin->addrWin.baseLow,pAddrDecWin->addrWin.size)) + { + mvOsPrintf("mvTsuWinSet: Error setting TSU window %d to target " + "%s.\nAddress 0x%08x is unaligned to size 0x%x.\n", + winNum, mvCtrlTargetNameGet(pAddrDecWin->target), + pAddrDecWin->addrWin.baseLow, + pAddrDecWin->addrWin.size); + return MV_ERROR; + } + + decRegs.baseReg = MV_REG_READ(MV_TSU_WIN_BASE_REG(winNum)); + decRegs.sizeReg = MV_REG_READ(MV_TSU_WIN_CTRL_REG(winNum)); + + if(MV_OK != mvCtrlAddrDecToReg(&(pAddrDecWin->addrWin),&decRegs)) + { + mvOsPrintf("mvTsuWinSet: mvCtrlAddrDecToReg Failed\n"); + return MV_ERROR; + } + + mvCtrlAttribGet(pAddrDecWin->target,&targetAttribs); + + /* set attributes */ + decRegs.sizeReg &= ~TSU_WIN_CTRL_ATTR_MASK; + decRegs.sizeReg |= targetAttribs.attrib << TSU_WIN_CTRL_ATTR_OFFS; + /* set target ID */ + decRegs.sizeReg &= ~TSU_WIN_CTRL_TARGET_MASK; + decRegs.sizeReg |= targetAttribs.targetId << TSU_WIN_CTRL_TARGET_OFFS; + + /* for the safe side we disable the window before writing the new */ + /* values */ + mvTsuWinEnable(winNum, MV_FALSE); + MV_REG_WRITE(MV_TSU_WIN_CTRL_REG(winNum),decRegs.sizeReg); + + /* Write to address decode Size Register */ + MV_REG_WRITE(MV_TSU_WIN_BASE_REG(winNum), decRegs.baseReg); + + /* Enable address decode target window */ + if(pAddrDecWin->enable == MV_TRUE) + { + mvTsuWinEnable(winNum,MV_TRUE); + } + + return MV_OK; +} + + +/******************************************************************************* +* mvTsuWinGet +* +* DESCRIPTION: +* Get TSU peripheral target address window. +* +* INPUT: +* winNum - TSU to target address decode window number. +* +* OUTPUT: +* pAddrDecWin - TSU target window data structure. +* +* RETURN: +* MV_ERROR if register parameters are invalid. +* +*******************************************************************************/ +MV_STATUS mvTsuWinGet(MV_U32 winNum, MV_TSU_DEC_WIN *pAddrDecWin) +{ + MV_DEC_REGS decRegs; + MV_TARGET_ATTRIB targetAttrib; + + /* Parameter checking */ + if(winNum >= TSU_MAX_DECODE_WIN) + { + mvOsPrintf("mvTsuWinGet: ERR. Invalid winNum %d\n", winNum); + return MV_NOT_SUPPORTED; + } + + decRegs.baseReg = MV_REG_READ(MV_TSU_WIN_BASE_REG(winNum)); + decRegs.sizeReg = MV_REG_READ(MV_TSU_WIN_CTRL_REG(winNum)); + + if(MV_OK != mvCtrlRegToAddrDec(&decRegs,&(pAddrDecWin->addrWin))) + { + mvOsPrintf("mvTsuWinGet: mvCtrlRegToAddrDec Failed \n"); + return MV_ERROR; + } + + /* attrib and targetId */ + targetAttrib.attrib = + (decRegs.sizeReg & TSU_WIN_CTRL_ATTR_MASK) >> TSU_WIN_CTRL_ATTR_OFFS; + targetAttrib.targetId = + (decRegs.sizeReg & TSU_WIN_CTRL_TARGET_MASK) >> TSU_WIN_CTRL_TARGET_OFFS; + + pAddrDecWin->target = mvCtrlTargetGet(&targetAttrib); + + /* Check if window is enabled */ + if((MV_REG_READ(MV_TSU_WIN_CTRL_REG(winNum)) & TSU_WIN_CTRL_EN_MASK)) + { + pAddrDecWin->enable = MV_TRUE; + } + else + { + pAddrDecWin->enable = MV_FALSE; + } + + return MV_OK; +} + + +/******************************************************************************* +* mvTsuWinEnable +* +* DESCRIPTION: +* This function enable/disable a TSU to target address window. +* According to parameter 'enable' the routine will enable the +* window, thus enabling TSU accesses (before enabling the window it is +* tested for overlapping). Otherwise, the window will be disabled. +* +* INPUT: +* winNum - TSU to target address decode window number. +* enable - Enable / disable parameter. +* +* OUTPUT: +* N/A +* +* RETURN: +* MV_ERROR if decode window number was wrong or enabled window overlapps. +* +*******************************************************************************/ +MV_STATUS mvTsuWinEnable(MV_U32 winNum,MV_BOOL enable) +{ + MV_TSU_DEC_WIN addrDecWin; + + /* Parameter checking */ + if(winNum >= TSU_MAX_DECODE_WIN) + { + mvOsPrintf("mvTsuWinEnable: ERR. Invalid winNum%d\n",winNum); + return MV_ERROR; + } + + if(enable == MV_TRUE) + { + /* First check for overlap with other enabled windows */ + /* Get current window. */ + if(MV_OK != mvTsuWinGet(winNum,&addrDecWin)) + { + mvOsPrintf("mvTsuWinEnable: ERR. targetWinGet fail\n"); + return MV_ERROR; + } + /* Check for overlapping. */ + if(MV_FALSE == tsuWinOverlapDetect(winNum,&(addrDecWin.addrWin))) + { + /* No Overlap. Enable address decode target window */ + MV_REG_BIT_SET(MV_TSU_WIN_CTRL_REG(winNum), + TSU_WIN_CTRL_EN_MASK); + } + else + { + /* Overlap detected */ + mvOsPrintf("mvTsuWinEnable: ERR. Overlap detected\n"); + return MV_ERROR; + } + } + else + { + /* Disable address decode target window */ + MV_REG_BIT_RESET(MV_TSU_WIN_CTRL_REG(winNum), + TSU_WIN_CTRL_EN_MASK); + } + return MV_OK; +} + +/******************************************************************************* +* mvTsuWinTargetGet +* +* DESCRIPTION: +* Get Window number associated with target +* +* INPUT: +* target - Target ID to get the window number for. +* OUTPUT: +* +* RETURN: +* window number or 0xFFFFFFFF on error. +* +*******************************************************************************/ +MV_U32 mvTsuWinTargetGet(MV_TARGET target) +{ + MV_TSU_DEC_WIN decWin; + MV_U32 winNum; + + /* Check parameters */ + if(target >= MAX_TARGETS) + { + mvOsPrintf("mvTsuWinTargetGet: target %d is Illigal\n", target); + return 0xffffffff; + } + + for(winNum = 0; winNum < TSU_MAX_DECODE_WIN; winNum++) + { + if(mvTsuWinGet(winNum,&decWin) != MV_OK) + { + mvOsPrintf("mvTsuWinGet: window returned error\n"); + return 0xffffffff; + } + + if (decWin.enable == MV_TRUE) + { + if(decWin.target == target) + { + return winNum; + } + } + } + return 0xFFFFFFFF; +} + + +/******************************************************************************* +* tsuWinOverlapDetect +* +* DESCRIPTION: +* Detect TSU address windows overlapping +* An unpredicted behaviur is expected in case TSU address decode +* windows overlapps. +* This function detects TSU 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 tsuWinOverlapDetect(MV_U32 winNum, MV_ADDR_WIN *pAddrWin) +{ + MV_U32 ctrlReg; + MV_U32 winNumIndex; + MV_TSU_DEC_WIN addrDecWin; + + for(winNumIndex = 0; winNumIndex < TSU_MAX_DECODE_WIN; winNumIndex++) + { + /* Do not check window itself */ + if(winNumIndex == winNum) + { + continue; + } + + /* Do not check disabled windows */ + ctrlReg = MV_REG_READ(MV_TSU_WIN_CTRL_REG(winNumIndex)); + if((ctrlReg & TSU_WIN_CTRL_EN_MASK) == 0) + { + continue; + } + + /* Get window parameters */ + if (MV_OK != mvTsuWinGet(winNumIndex, &addrDecWin)) + { + mvOsPrintf("tsuWinOverlapDetect: ERR. mvTsuWinGet failed\n"); + return MV_ERROR; + } + + if (MV_TRUE == ctrlWinOverlapTest(pAddrWin, &(addrDecWin.addrWin))) + { + return MV_TRUE; + } + } + return MV_FALSE; +} + + +/******************************************************************************* +* mvTsuAddrDecShow +* +* DESCRIPTION: +* Print the TSU address decode map. +* +* INPUT: +* None. +* +* OUTPUT: +* None. +* +* RETURN: +* None. +* +*******************************************************************************/ +void mvTsuAddrDecShow(void) +{ + MV_TSU_DEC_WIN win; + int i; + + if (MV_FALSE == mvCtrlPwrClckGet(TS_UNIT_ID, 0)) + return; + + mvOsOutput( "\n" ); + mvOsOutput( "TSU:\n"); + mvOsOutput( "----\n" ); + + for(i = 0; i < TSU_MAX_DECODE_WIN; i++) + { + memset(&win, 0, sizeof(TSU_MAX_DECODE_WIN)); + mvOsOutput( "win%d - ", i ); + + if(mvTsuWinGet(i, &win ) == MV_OK ) + { + if(win.enable == MV_TRUE) + { + mvOsOutput("%s base %08x, ", + mvCtrlTargetNameGet(win.target), + win.addrWin.baseLow); + mvOsOutput( "...." ); + mvSizePrint(win.addrWin.size ); + mvOsOutput( "\n" ); + } + else + { + mvOsOutput( "disable\n" ); + } + } + } + return; +} + + +/******************************************************************************* +* mvTsuInit +* +* DESCRIPTION: +* Initialize the TSU unit, and get unit out of reset. +* +* INPUT: +* coreClock - The core clock at which the TSU should operate. +* mode - The mode on configure the unit into (serial/parallel). +* memHandle - Memory handle used for memory allocations. +* OUTPUT: +* None. +* RETURN: +* MV_OK - on success, +* +*******************************************************************************/ +MV_STATUS mvTsuInit(MV_TSU_CORE_CLOCK coreClock, MV_TSU_PORTS_MODE mode, + void *osHandle) +{ + MV_STATUS status; + + status = mvTsuWinInit(); + if(status == MV_OK) + status = mvTsuHalInit(coreClock,mode,osHandle); + + return status; +} |