diff options
Diffstat (limited to 'target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/ctrlEnv/sys/mvCpuIf.c')
| -rw-r--r-- | target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/ctrlEnv/sys/mvCpuIf.c | 1036 |
1 files changed, 1036 insertions, 0 deletions
diff --git a/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/ctrlEnv/sys/mvCpuIf.c b/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/ctrlEnv/sys/mvCpuIf.c new file mode 100644 index 000000000..872dc6e9d --- /dev/null +++ b/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/ctrlEnv/sys/mvCpuIf.c @@ -0,0 +1,1036 @@ +/******************************************************************************* +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. + +*******************************************************************************/ + + +/* includes */ +#include "ctrlEnv/sys/mvCpuIf.h" +#include "ctrlEnv/sys/mvAhbToMbusRegs.h" +#include "cpu/mvCpu.h" +#include "ctrlEnv/mvCtrlEnvLib.h" +#include "mvSysHwConfig.h" +#include "mvSysDram.h" + +/*#define MV_DEBUG*/ +/* defines */ + +#ifdef MV_DEBUG + #define DB(x) x +#else + #define DB(x) +#endif + +/* locals */ +/* static functions */ +static MV_BOOL cpuTargetWinOverlap(MV_TARGET target, MV_ADDR_WIN *pAddrWin); + +MV_TARGET * sampleAtResetTargetArray; +MV_TARGET sampleAtResetTargetArrayP[] = BOOT_TARGETS_NAME_ARRAY; +MV_TARGET sampleAtResetTargetArray6180P[] = BOOT_TARGETS_NAME_ARRAY_6180; +/******************************************************************************* +* mvCpuIfInit - Initialize Controller CPU interface +* +* DESCRIPTION: +* This function initialize Controller CPU interface: +* 1. Set CPU interface configuration registers. +* 2. Set CPU master Pizza arbiter control according to static +* configuration described in configuration file. +* 3. Opens CPU address decode windows. DRAM windows are assumed to be +* already set (auto detection). +* +* INPUT: +* None. +* +* OUTPUT: +* None. +* +* RETURN: +* None. +* +*******************************************************************************/ +MV_STATUS mvCpuIfInit(MV_CPU_DEC_WIN *cpuAddrWinMap) +{ + MV_U32 regVal; + MV_TARGET target; + MV_ADDR_WIN addrWin; + + if (cpuAddrWinMap == NULL) + { + DB(mvOsPrintf("mvCpuIfInit:ERR. cpuAddrWinMap == NULL\n")); + return MV_ERROR; + } + + /*Initialize the boot target array according to device type*/ + if(mvCtrlModelGet() == MV_6180_DEV_ID) + sampleAtResetTargetArray = sampleAtResetTargetArray6180P; + else + sampleAtResetTargetArray = sampleAtResetTargetArrayP; + + /* Set ARM Configuration register */ + regVal = MV_REG_READ(CPU_CONFIG_REG); + regVal &= ~CPU_CONFIG_DEFAULT_MASK; + regVal |= CPU_CONFIG_DEFAULT; + MV_REG_WRITE(CPU_CONFIG_REG,regVal); + + /* First disable all CPU target windows */ + for (target = 0; cpuAddrWinMap[target].enable != TBL_TERM; target++) + { + if ((MV_TARGET_IS_DRAM(target))||(target == INTER_REGS)) + { + continue; + } + +#if defined(MV_MEM_OVER_PCI_WA) || defined(MV_UART_OVER_PCI_WA) + /* If the target PEX or PCI and memory is over PEX or PCI we don't touch this CPU windows */ + if (MV_TARGET_IS_PCI(target)) + { + continue; + } +#endif + +#if defined(MV_MEM_OVER_PEX_WA) || defined(MV_UART_OVER_PEX_WA) + /* If the target PEX or PCI and memory is over PEX or PCI we don't touch this CPU windows */ + if (MV_TARGET_IS_PEX(target)) + { + continue; + } +#endif +#if defined(MV_RUN_FROM_FLASH) + /* Don't disable the boot device. */ + if (target == DEV_BOOCS) + { + continue; + } +#endif /* MV_RUN_FROM_FLASH */ + mvCpuIfTargetWinEnable(MV_CHANGE_BOOT_CS(target),MV_FALSE); + } + +#if defined(MV_RUN_FROM_FLASH) + /* Resize the bootcs windows before other windows, because this */ + /* window is enabled and will cause an overlap if not resized. */ + target = DEV_BOOCS; + + if (MV_OK != mvCpuIfTargetWinSet(target, &cpuAddrWinMap[target])) + { + DB(mvOsPrintf("mvCpuIfInit:ERR. mvCpuIfTargetWinSet fail\n")); + return MV_ERROR; + } + + addrWin.baseLow = cpuAddrWinMap[target].addrWin.baseLow; + addrWin.baseHigh = cpuAddrWinMap[target].addrWin.baseHigh; + if (0xffffffff == mvAhbToMbusWinRemap(cpuAddrWinMap[target].winNum ,&addrWin)) + { + DB(mvOsPrintf("mvCpuIfInit:WARN. mvAhbToMbusWinRemap can't remap winNum=%d\n", + cpuAddrWinMap[target].winNum)); + } + +#endif /* MV_RUN_FROM_FLASH */ + + /* Go through all targets in user table until table terminator */ + for (target = 0; cpuAddrWinMap[target].enable != TBL_TERM; target++) + { + +#if defined(MV_RUN_FROM_FLASH) + if (target == DEV_BOOCS) + { + continue; + } +#endif /* MV_RUN_FROM_FLASH */ + + /* if DRAM auto sizing is used do not initialized DRAM target windows, */ + /* assuming this already has been done earlier. */ +#ifdef MV_DRAM_AUTO_SIZE + if (MV_TARGET_IS_DRAM(target)) + { + continue; + } +#endif + +#if defined(MV_MEM_OVER_PCI_WA) || defined(MV_UART_OVER_PCI_WA) + /* If the target PEX or PCI and memory is over PEX or PCI we don't touch this CPU windows */ + if (MV_TARGET_IS_PCI(target)) + { + continue; + } +#endif + +#if defined(MV_MEM_OVER_PEX_WA) || defined(MV_UART_OVER_PEX_WA) + /* If the target PEX or PCI and memory is over PEX or PCI we don't touch this CPU windows */ + if (MV_TARGET_IS_PEX(target)) + { + continue; + } +#endif + /* If the target attribute is the same as the boot device attribute */ + /* then it's stays disable */ + if (MV_TARGET_IS_AS_BOOT(target)) + { + continue; + } + + if((0 == cpuAddrWinMap[target].addrWin.size) || + (DIS == cpuAddrWinMap[target].enable)) + + { + if (MV_OK != mvCpuIfTargetWinEnable(target, MV_FALSE)) + { + DB(mvOsPrintf("mvCpuIfInit:ERR. mvCpuIfTargetWinEnable fail\n")); + return MV_ERROR; + } + + } + else + { + if (MV_OK != mvCpuIfTargetWinSet(target, &cpuAddrWinMap[target])) + { + DB(mvOsPrintf("mvCpuIfInit:ERR. mvCpuIfTargetWinSet fail\n")); + return MV_ERROR; + } + + addrWin.baseLow = cpuAddrWinMap[target].addrWin.baseLow; + addrWin.baseHigh = cpuAddrWinMap[target].addrWin.baseHigh; + if (0xffffffff == mvAhbToMbusWinRemap(cpuAddrWinMap[target].winNum ,&addrWin)) + { + DB(mvOsPrintf("mvCpuIfInit:WARN. mvAhbToMbusWinRemap can't remap winNum=%d\n", + cpuAddrWinMap[target].winNum)); + } + + + } + } + + return MV_OK; + + +} + + +/******************************************************************************* +* mvCpuIfTargetWinSet - Set CPU-to-peripheral target address window +* +* DESCRIPTION: +* This function sets a peripheral target (e.g. SDRAM bank0, PCI0_MEM0) +* address window, also known as address decode window. +* A new address decode window is set for specified target address window. +* If address decode window parameter structure enables the window, +* the routine will also enable the target window, allowing CPU to access +* the target window. +* +* INPUT: +* target - Peripheral target enumerator. +* pAddrDecWin - CPU target window data structure. +* +* OUTPUT: +* N/A +* +* RETURN: +* MV_OK if CPU target window was set correctly, MV_ERROR in case of +* address window overlapps with other active CPU target window or +* trying to assign 36bit base address while CPU does not support that. +* The function returns MV_NOT_SUPPORTED, if the target is unsupported. +* +*******************************************************************************/ +MV_STATUS mvCpuIfTargetWinSet(MV_TARGET target, MV_CPU_DEC_WIN *pAddrDecWin) +{ + MV_AHB_TO_MBUS_DEC_WIN decWin; + MV_U32 existingWinNum; + MV_DRAM_DEC_WIN addrDecWin; + + target = MV_CHANGE_BOOT_CS(target); + + /* Check parameters */ + if (target >= MAX_TARGETS) + { + mvOsPrintf("mvCpuIfTargetWinSet: target %d is Illigal\n", target); + return MV_ERROR; + } + + /* 2) Check if the requested window overlaps with current windows */ + if (MV_TRUE == cpuTargetWinOverlap(target, &pAddrDecWin->addrWin)) + { + mvOsPrintf("mvCpuIfTargetWinSet: ERR. Target %d overlap\n", target); + return MV_BAD_PARAM; + } + + if (MV_TARGET_IS_DRAM(target)) + { + /* copy relevant data to MV_DRAM_DEC_WIN structure */ + addrDecWin.addrWin.baseHigh = pAddrDecWin->addrWin.baseHigh; + addrDecWin.addrWin.baseLow = pAddrDecWin->addrWin.baseLow; + addrDecWin.addrWin.size = pAddrDecWin->addrWin.size; + addrDecWin.enable = pAddrDecWin->enable; + + + if (mvDramIfWinSet(target,&addrDecWin) != MV_OK); + { + mvOsPrintf("mvCpuIfTargetWinSet: mvDramIfWinSet Failed\n"); + return MV_ERROR; + } + + } + else + { + /* copy relevant data to MV_AHB_TO_MBUS_DEC_WIN structure */ + decWin.addrWin.baseLow = pAddrDecWin->addrWin.baseLow; + decWin.addrWin.baseHigh = pAddrDecWin->addrWin.baseHigh; + decWin.addrWin.size = pAddrDecWin->addrWin.size; + decWin.enable = pAddrDecWin->enable; + decWin.target = target; + + existingWinNum = mvAhbToMbusWinTargetGet(target); + + /* check if there is already another Window configured + for this target */ + if ((existingWinNum < MAX_AHB_TO_MBUS_WINS )&& + (existingWinNum != pAddrDecWin->winNum)) + { + /* if we want to enable the new winow number + passed by the user , then the old one should + be disabled */ + if (MV_TRUE == pAddrDecWin->enable) + { + /* be sure it is disabled */ + mvAhbToMbusWinEnable(existingWinNum , MV_FALSE); + } + } + + if (mvAhbToMbusWinSet(pAddrDecWin->winNum,&decWin) != MV_OK) + { + mvOsPrintf("mvCpuIfTargetWinSet: mvAhbToMbusWinSet Failed\n"); + return MV_ERROR; + } + + } + + return MV_OK; +} + +/******************************************************************************* +* mvCpuIfTargetWinGet - Get CPU-to-peripheral target address window +* +* DESCRIPTION: +* Get the CPU peripheral target address window. +* +* INPUT: +* target - Peripheral target enumerator +* +* OUTPUT: +* pAddrDecWin - CPU target window information data structure. +* +* RETURN: +* MV_OK if target exist, MV_ERROR otherwise. +* +*******************************************************************************/ +MV_STATUS mvCpuIfTargetWinGet(MV_TARGET target, MV_CPU_DEC_WIN *pAddrDecWin) +{ + + MV_U32 winNum=0xffffffff; + MV_AHB_TO_MBUS_DEC_WIN decWin; + MV_DRAM_DEC_WIN addrDecWin; + + target = MV_CHANGE_BOOT_CS(target); + + /* Check parameters */ + if (target >= MAX_TARGETS) + { + mvOsPrintf("mvCpuIfTargetWinGet: target %d is Illigal\n", target); + return MV_ERROR; + } + + if (MV_TARGET_IS_DRAM(target)) + { + if (mvDramIfWinGet(target,&addrDecWin) != MV_OK) + { + mvOsPrintf("mvCpuIfTargetWinGet: Failed to get window target %d\n", + target); + return MV_ERROR; + } + + /* copy relevant data to MV_CPU_DEC_WIN structure */ + pAddrDecWin->addrWin.baseLow = addrDecWin.addrWin.baseLow; + pAddrDecWin->addrWin.baseHigh = addrDecWin.addrWin.baseHigh; + pAddrDecWin->addrWin.size = addrDecWin.addrWin.size; + pAddrDecWin->enable = addrDecWin.enable; + pAddrDecWin->winNum = 0xffffffff; + + } + else + { + /* get the Window number associated with this target */ + + winNum = mvAhbToMbusWinTargetGet(target); + if (winNum >= MAX_AHB_TO_MBUS_WINS) + { + return MV_NO_SUCH; + + } + + if (mvAhbToMbusWinGet(winNum , &decWin) != MV_OK) + { + mvOsPrintf("%s: mvAhbToMbusWinGet Failed at winNum = %d\n", + __FUNCTION__, winNum); + return MV_ERROR; + + } + + /* copy relevant data to MV_CPU_DEC_WIN structure */ + pAddrDecWin->addrWin.baseLow = decWin.addrWin.baseLow; + pAddrDecWin->addrWin.baseHigh = decWin.addrWin.baseHigh; + pAddrDecWin->addrWin.size = decWin.addrWin.size; + pAddrDecWin->enable = decWin.enable; + pAddrDecWin->winNum = winNum; + + } + + + + + return MV_OK; +} + + +/******************************************************************************* +* mvCpuIfTargetWinEnable - Enable/disable a CPU address decode window +* +* DESCRIPTION: +* This function enable/disable a CPU address decode window. +* if parameter 'enable' == MV_TRUE the routine will enable the +* window, thus enabling CPU accesses (before enabling the window it is +* tested for overlapping). Otherwise, the window will be disabled. +* +* INPUT: +* target - Peripheral target enumerator. +* enable - Enable/disable parameter. +* +* OUTPUT: +* N/A +* +* RETURN: +* MV_ERROR if protection window number was wrong, or the window +* overlapps other target window. +* +*******************************************************************************/ +MV_STATUS mvCpuIfTargetWinEnable(MV_TARGET target,MV_BOOL enable) +{ + MV_U32 winNum, temp; + MV_CPU_DEC_WIN addrDecWin; + + target = MV_CHANGE_BOOT_CS(target); + + /* Check parameters */ + if (target >= MAX_TARGETS) + { + mvOsPrintf("mvCpuIfTargetWinEnable: target %d is Illigal\n", target); + return MV_ERROR; + } + + /* get the window and check if it exist */ + temp = mvCpuIfTargetWinGet(target, &addrDecWin); + if (MV_NO_SUCH == temp) + { + return (enable? MV_ERROR: MV_OK); + } + else if( MV_OK != temp) + { + mvOsPrintf("%s: ERR. Getting target %d failed.\n",__FUNCTION__, target); + return MV_ERROR; + } + + + /* check overlap */ + + if (MV_TRUE == enable) + { + if (MV_TRUE == cpuTargetWinOverlap(target, &addrDecWin.addrWin)) + { + DB(mvOsPrintf("%s: ERR. Target %d overlap\n",__FUNCTION__, target)); + return MV_ERROR; + } + + } + + + if (MV_TARGET_IS_DRAM(target)) + { + if (mvDramIfWinEnable(target , enable) != MV_OK) + { + mvOsPrintf("mvCpuIfTargetWinGet: mvDramIfWinEnable Failed at \n"); + return MV_ERROR; + + } + + } + else + { + /* get the Window number associated with this target */ + + winNum = mvAhbToMbusWinTargetGet(target); + + if (winNum >= MAX_AHB_TO_MBUS_WINS) + { + return (enable? MV_ERROR: MV_OK); + } + + if (mvAhbToMbusWinEnable(winNum , enable) != MV_OK) + { + mvOsPrintf("mvCpuIfTargetWinGet: Failed to enable window = %d\n", + winNum); + return MV_ERROR; + + } + + } + + return MV_OK; +} + + +/******************************************************************************* +* mvCpuIfTargetWinSizeGet - Get CPU target address window size +* +* DESCRIPTION: +* Get the size of CPU-to-peripheral target window. +* +* INPUT: +* target - Peripheral target enumerator +* +* OUTPUT: +* None. +* +* RETURN: +* 32bit size. Function also returns '0' if window is closed. +* Function returns 0xFFFFFFFF in case of an error. +* +*******************************************************************************/ +MV_U32 mvCpuIfTargetWinSizeGet(MV_TARGET target) +{ + MV_CPU_DEC_WIN addrDecWin; + + target = MV_CHANGE_BOOT_CS(target); + + /* Check parameters */ + if (target >= MAX_TARGETS) + { + mvOsPrintf("mvCpuIfTargetWinSizeGet: target %d is Illigal\n", target); + return 0; + } + + /* Get the winNum window */ + if (MV_OK != mvCpuIfTargetWinGet(target, &addrDecWin)) + { + mvOsPrintf("mvCpuIfTargetWinSizeGet:ERR. Getting target %d failed.\n", + target); + return 0; + } + + /* Check if window is enabled */ + if (addrDecWin.enable == MV_TRUE) + { + return (addrDecWin.addrWin.size); + } + else + { + return 0; /* Window disabled. return 0 */ + } +} + +/******************************************************************************* +* mvCpuIfTargetWinBaseLowGet - Get CPU target address window base low +* +* DESCRIPTION: +* CPU-to-peripheral target address window base is constructed of +* two parts: Low and high. +* This function gets the CPU peripheral target low base address. +* +* INPUT: +* target - Peripheral target enumerator +* +* OUTPUT: +* None. +* +* RETURN: +* 32bit low base address. +* +*******************************************************************************/ +MV_U32 mvCpuIfTargetWinBaseLowGet(MV_TARGET target) +{ + MV_CPU_DEC_WIN addrDecWin; + + target = MV_CHANGE_BOOT_CS(target); + + /* Check parameters */ + if (target >= MAX_TARGETS) + { + mvOsPrintf("mvCpuIfTargetWinBaseLowGet: target %d is Illigal\n", target); + return 0xffffffff; + } + + /* Get the target window */ + if (MV_OK != mvCpuIfTargetWinGet(target, &addrDecWin)) + { + mvOsPrintf("mvCpuIfTargetWinBaseLowGet:ERR. Getting target %d failed.\n", + target); + return 0xffffffff; + } + + if (MV_FALSE == addrDecWin.enable) + { + return 0xffffffff; + } + return (addrDecWin.addrWin.baseLow); +} + +/******************************************************************************* +* mvCpuIfTargetWinBaseHighGet - Get CPU target address window base high +* +* DESCRIPTION: +* CPU-to-peripheral target address window base is constructed of +* two parts: Low and high. +* This function gets the CPU peripheral target high base address. +* +* INPUT: +* target - Peripheral target enumerator +* +* OUTPUT: +* None. +* +* RETURN: +* 32bit high base address. +* +*******************************************************************************/ +MV_U32 mvCpuIfTargetWinBaseHighGet(MV_TARGET target) +{ + MV_CPU_DEC_WIN addrDecWin; + + target = MV_CHANGE_BOOT_CS(target); + + /* Check parameters */ + if (target >= MAX_TARGETS) + { + mvOsPrintf("mvCpuIfTargetWinBaseLowGet: target %d is Illigal\n", target); + return 0xffffffff; + } + + /* Get the target window */ + if (MV_OK != mvCpuIfTargetWinGet(target, &addrDecWin)) + { + mvOsPrintf("mvCpuIfTargetWinBaseHighGet:ERR. Getting target %d failed.\n", + target); + return 0xffffffff; + } + + if (MV_FALSE == addrDecWin.enable) + { + return 0; + } + + return (addrDecWin.addrWin.baseHigh); +} + +#if defined(MV_INCLUDE_PEX) +/******************************************************************************* +* mvCpuIfPexRemap - Set CPU remap register for address windows. +* +* DESCRIPTION: +* +* INPUT: +* pexTarget - Peripheral target enumerator. Must be a PEX target. +* pAddrDecWin - CPU target window information data structure. +* Note that caller has to fill in the base field only. The +* size field is ignored. +* +* OUTPUT: +* None. +* +* RETURN: +* MV_ERROR if target is not a PEX one, MV_OK otherwise. +* +*******************************************************************************/ +MV_U32 mvCpuIfPexRemap(MV_TARGET pexTarget, MV_ADDR_WIN *pAddrDecWin) +{ + MV_U32 winNum; + + /* Check parameters */ + + if (mvCtrlPexMaxIfGet() > 1) + { + if ((!MV_TARGET_IS_PEX1(pexTarget))&&(!MV_TARGET_IS_PEX0(pexTarget))) + { + mvOsPrintf("mvCpuIfPexRemap: target %d is Illigal\n",pexTarget); + return 0xffffffff; + } + + } + else + { + if (!MV_TARGET_IS_PEX0(pexTarget)) + { + mvOsPrintf("mvCpuIfPexRemap: target %d is Illigal\n",pexTarget); + return 0xffffffff; + } + + } + + /* get the Window number associated with this target */ + winNum = mvAhbToMbusWinTargetGet(pexTarget); + + if (winNum >= MAX_AHB_TO_MBUS_WINS) + { + mvOsPrintf("mvCpuIfPexRemap: mvAhbToMbusWinTargetGet Failed\n"); + return 0xffffffff; + + } + + return mvAhbToMbusWinRemap(winNum , pAddrDecWin); +} + +#endif + +#if defined(MV_INCLUDE_PCI) +/******************************************************************************* +* mvCpuIfPciRemap - Set CPU remap register for address windows. +* +* DESCRIPTION: +* +* INPUT: +* pciTarget - Peripheral target enumerator. Must be a PCI target. +* pAddrDecWin - CPU target window information data structure. +* Note that caller has to fill in the base field only. The +* size field is ignored. +* +* OUTPUT: +* None. +* +* RETURN: +* MV_ERROR if target is not a PCI one, MV_OK otherwise. +* +*******************************************************************************/ +MV_U32 mvCpuIfPciRemap(MV_TARGET pciTarget, MV_ADDR_WIN *pAddrDecWin) +{ + MV_U32 winNum; + + /* Check parameters */ + if (!MV_TARGET_IS_PCI(pciTarget)) + { + mvOsPrintf("mvCpuIfPciRemap: target %d is Illigal\n",pciTarget); + return 0xffffffff; + } + + /* get the Window number associated with this target */ + winNum = mvAhbToMbusWinTargetGet(pciTarget); + + if (winNum >= MAX_AHB_TO_MBUS_WINS) + { + mvOsPrintf("mvCpuIfPciRemap: mvAhbToMbusWinTargetGet Failed\n"); + return 0xffffffff; + + } + + return mvAhbToMbusWinRemap(winNum , pAddrDecWin); +} +#endif /* MV_INCLUDE_PCI */ + + +/******************************************************************************* +* mvCpuIfPciIfRemap - Set CPU remap register for address windows. +* +* DESCRIPTION: +* +* INPUT: +* pciTarget - Peripheral target enumerator. Must be a PCI target. +* pAddrDecWin - CPU target window information data structure. +* Note that caller has to fill in the base field only. The +* size field is ignored. +* +* OUTPUT: +* None. +* +* RETURN: +* MV_ERROR if target is not a PCI one, MV_OK otherwise. +* +*******************************************************************************/ +MV_U32 mvCpuIfPciIfRemap(MV_TARGET pciIfTarget, MV_ADDR_WIN *pAddrDecWin) +{ +#if defined(MV_INCLUDE_PEX) + if (MV_TARGET_IS_PEX(pciIfTarget)) + { + return mvCpuIfPexRemap(pciIfTarget,pAddrDecWin); + } +#endif +#if defined(MV_INCLUDE_PCI) + + if (MV_TARGET_IS_PCI(pciIfTarget)) + { + return mvCpuIfPciRemap(pciIfTarget,pAddrDecWin); + } +#endif + return 0; +} + + + +/******************************************************************************* +* mvCpuIfTargetOfBaseAddressGet - Get the target according to base address +* +* DESCRIPTION: +* +* INPUT: +* baseAddress - base address to be checked +* +* OUTPUT: +* None. +* +* RETURN: +* the target number that baseAddress belongs to or MAX_TARGETS is not +* found +* +*******************************************************************************/ + +MV_TARGET mvCpuIfTargetOfBaseAddressGet(MV_U32 baseAddress) +{ + MV_CPU_DEC_WIN win; + MV_U32 target; + + for( target = 0; target < MAX_TARGETS; target++ ) + { + if( mvCpuIfTargetWinGet( target, &win ) == MV_OK ) + { + if( win.enable ) + { + if ((baseAddress >= win.addrWin.baseLow) && + (baseAddress < win.addrWin.baseLow + win.addrWin.size)) break; + } + } + else return MAX_TARGETS; + + } + + return target; +} +/******************************************************************************* +* cpuTargetWinOverlap - Detect CPU address decode windows overlapping +* +* DESCRIPTION: +* An unpredicted behaviur is expected in case CPU address decode +* windows overlapps. +* This function detects CPU address decode windows overlapping of a +* specified target. The function does not check the target itself for +* overlapping. The function also skipps disabled address decode windows. +* +* INPUT: +* target - Peripheral target enumerator. +* pAddrDecWin - An address decode window struct. +* +* OUTPUT: +* None. +* +* RETURN: +* MV_TRUE if the given address window overlaps current address +* decode map, MV_FALSE otherwise. +* +*******************************************************************************/ +static MV_BOOL cpuTargetWinOverlap(MV_TARGET target, MV_ADDR_WIN *pAddrWin) +{ + MV_U32 targetNum; + MV_CPU_DEC_WIN addrDecWin; + MV_STATUS status; + + + for(targetNum = 0; targetNum < MAX_TARGETS; targetNum++) + { +#if defined(MV_RUN_FROM_FLASH) + if(MV_TARGET_IS_AS_BOOT(target)) + { + if (MV_CHANGE_BOOT_CS(targetNum) == target) + continue; + } +#endif /* MV_RUN_FROM_FLASH */ + + /* don't check our target or illegal targets */ + if (targetNum == target) + { + continue; + } + + /* Get window parameters */ + status = mvCpuIfTargetWinGet(targetNum, &addrDecWin); + if(MV_NO_SUCH == status) + { + continue; + } + if(MV_OK != status) + { + DB(mvOsPrintf("cpuTargetWinOverlap: ERR. TargetWinGet failed\n")); + return MV_TRUE; + } + + /* Do not check disabled windows */ + if (MV_FALSE == addrDecWin.enable) + { + continue; + } + + if(MV_TRUE == ctrlWinOverlapTest(pAddrWin, &addrDecWin.addrWin)) + { + DB(mvOsPrintf( + "cpuTargetWinOverlap: Required target %d overlap current %d\n", + target, targetNum)); + return MV_TRUE; + } + } + + return MV_FALSE; + +} + +/******************************************************************************* +* mvCpuIfAddDecShow - Print the CPU address decode map. +* +* DESCRIPTION: +* This function print the CPU address decode map. +* +* INPUT: +* None. +* +* OUTPUT: +* None. +* +* RETURN: +* None. +* +*******************************************************************************/ +MV_VOID mvCpuIfAddDecShow(MV_VOID) +{ + MV_CPU_DEC_WIN win; + MV_U32 target; + mvOsOutput( "\n" ); + mvOsOutput( "CPU Interface\n" ); + mvOsOutput( "-------------\n" ); + + for( target = 0; target < MAX_TARGETS; target++ ) + { + + memset( &win, 0, sizeof(MV_CPU_DEC_WIN) ); + + mvOsOutput( "%s ",mvCtrlTargetNameGet(target)); + mvOsOutput( "...." ); + + if( mvCpuIfTargetWinGet( target, &win ) == MV_OK ) + { + if( win.enable ) + { + mvOsOutput( "base %08x, ", win.addrWin.baseLow ); + mvSizePrint( win.addrWin.size ); + mvOsOutput( "\n" ); + + } + else + mvOsOutput( "disable\n" ); + } + else if( mvCpuIfTargetWinGet( target, &win ) == MV_NO_SUCH ) + { + mvOsOutput( "no such\n" ); + } + } +} + +/******************************************************************************* +* mvCpuIfEnablePex - Enable PCI Express. +* +* DESCRIPTION: +* This function Enable PCI Express. +* +* INPUT: +* pexIf - PEX interface number. +* pexType - MV_PEX_ROOT_COMPLEX - root complex device +* MV_PEX_END_POINT - end point device +* OUTPUT: +* None. +* +* RETURN: +* None. +* +*******************************************************************************/ +#if defined(MV_INCLUDE_PEX) +MV_VOID mvCpuIfEnablePex(MV_U32 pexIf, MV_PEX_TYPE pexType) +{ + /* Set pex mode incase S@R not exist */ + if( pexType == MV_PEX_END_POINT) + { + MV_REG_BIT_RESET(PEX_CTRL_REG(pexIf),PXCR_DEV_TYPE_CTRL_MASK); + /* Change pex mode in capability reg */ + MV_REG_BIT_RESET(PEX_CFG_DIRECT_ACCESS(pexIf,PEX_CAPABILITY_REG), BIT22); + MV_REG_BIT_SET(PEX_CFG_DIRECT_ACCESS(pexIf,PEX_CAPABILITY_REG), BIT20); + + } + else + { + MV_REG_BIT_SET(PEX_CTRL_REG(pexIf),PXCR_DEV_TYPE_CTRL_MASK); + } + + /* CPU config register Pex enable */ + MV_REG_BIT_SET(CPU_CTRL_STAT_REG,CCSR_PCI_ACCESS_MASK); +} +#endif + + |