diff options
Diffstat (limited to 'target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/ctrlEnv/sys/mvAhbToMbus.c')
| -rw-r--r-- | target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/ctrlEnv/sys/mvAhbToMbus.c | 1048 |
1 files changed, 1048 insertions, 0 deletions
diff --git a/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/ctrlEnv/sys/mvAhbToMbus.c b/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/ctrlEnv/sys/mvAhbToMbus.c new file mode 100644 index 000000000..d21bb074d --- /dev/null +++ b/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/ctrlEnv/sys/mvAhbToMbus.c @@ -0,0 +1,1048 @@ +/******************************************************************************* +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/mvAhbToMbus.h" +#include "ctrlEnv/mvCtrlEnvAddrDec.h" + +#undef MV_DEBUG +/* defines */ +#ifdef MV_DEBUG + #define DB(x) x +#else + #define DB(x) +#endif + +/* typedefs */ + + +/* CPU address remap registers offsets are inconsecutive. This struct */ +/* describes address remap register offsets */ +typedef struct _ahbToMbusRemapRegOffs +{ + MV_U32 lowRegOffs; /* Low 32-bit remap register offset */ + MV_U32 highRegOffs; /* High 32 bit remap register offset */ +}AHB_TO_MBUS_REMAP_REG_OFFS; + +/* locals */ +static MV_STATUS ahbToMbusRemapRegOffsGet (MV_U32 winNum, + AHB_TO_MBUS_REMAP_REG_OFFS *pRemapRegs); + +/******************************************************************************* +* mvAhbToMbusInit - Initialize Ahb To Mbus Address Map ! +* +* DESCRIPTION: +* +* INPUT: +* None. +* +* OUTPUT: +* None. +* +* RETURN: +* MV_OK laways. +* +*******************************************************************************/ +MV_STATUS mvAhbToMbusInit(void) +{ + return MV_OK; + +} + +/******************************************************************************* +* mvAhbToMbusWinSet - Set CPU-to-peripheral winNum address window +* +* DESCRIPTION: +* This function sets +* address window, also known as address decode window. +* A new address decode window is set for specified winNum address window. +* If address decode window parameter structure enables the window, +* the routine will also enable the winNum window, allowing CPU to access +* the winNum window. +* +* INPUT: +* winNum - Windows number. +* pAddrDecWin - CPU winNum window data structure. +* +* OUTPUT: +* N/A +* +* RETURN: +* MV_OK if CPU winNum window was set correctly, MV_ERROR in case of +* address window overlapps with other active CPU winNum window or +* trying to assign 36bit base address while CPU does not support that. +* The function returns MV_NOT_SUPPORTED, if the winNum is unsupported. +* +*******************************************************************************/ +MV_STATUS mvAhbToMbusWinSet(MV_U32 winNum, MV_AHB_TO_MBUS_DEC_WIN *pAddrDecWin) +{ + MV_TARGET_ATTRIB targetAttribs; + MV_DEC_REGS decRegs; + + /* Parameter checking */ + if (winNum >= MAX_AHB_TO_MBUS_WINS) + { + mvOsPrintf("mvAhbToMbusWinSet: ERR. Invalid winNum %d\n", winNum); + return MV_NOT_SUPPORTED; + } + + + /* read base register*/ + if (winNum != MV_AHB_TO_MBUS_INTREG_WIN) + { + decRegs.baseReg = MV_REG_READ(AHB_TO_MBUS_WIN_BASE_REG(winNum)); + } + else + { + decRegs.baseReg = MV_REG_READ(AHB_TO_MBUS_WIN_INTEREG_REG); + } + + /* check if address is aligned to the size */ + if(MV_IS_NOT_ALIGN(pAddrDecWin->addrWin.baseLow, pAddrDecWin->addrWin.size)) + { + mvOsPrintf("mvAhbToMbusWinSet:Error setting AHB to MBUS 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; + } + + /* read control register*/ + if (winNum != MV_AHB_TO_MBUS_INTREG_WIN) + { + decRegs.sizeReg = MV_REG_READ(AHB_TO_MBUS_WIN_CTRL_REG(winNum)); + } + + if (MV_OK != mvCtrlAddrDecToReg(&(pAddrDecWin->addrWin),&decRegs)) + { + mvOsPrintf("mvAhbToMbusWinSet:mvCtrlAddrDecToReg Failed\n"); + return MV_ERROR; + } + + /* enable\Disable */ + if (MV_TRUE == pAddrDecWin->enable) + { + decRegs.sizeReg |= ATMWCR_WIN_ENABLE; + } + else + { + decRegs.sizeReg &= ~ATMWCR_WIN_ENABLE; + } + + mvCtrlAttribGet(pAddrDecWin->target,&targetAttribs); + + /* set attributes */ + decRegs.sizeReg &= ~ATMWCR_WIN_ATTR_MASK; + decRegs.sizeReg |= targetAttribs.attrib << ATMWCR_WIN_ATTR_OFFS; + /* set target ID */ + decRegs.sizeReg &= ~ATMWCR_WIN_TARGET_MASK; + decRegs.sizeReg |= targetAttribs.targetId << ATMWCR_WIN_TARGET_OFFS; + +#if !defined(MV_RUN_FROM_FLASH) + /* To be on the safe side we disable the window before writing the */ + /* new values. */ + if (winNum != MV_AHB_TO_MBUS_INTREG_WIN) + { + mvAhbToMbusWinEnable(winNum,MV_FALSE); + } +#endif + + /* 3) Write to address decode Base Address Register */ + if (winNum != MV_AHB_TO_MBUS_INTREG_WIN) + { + MV_REG_WRITE(AHB_TO_MBUS_WIN_BASE_REG(winNum), decRegs.baseReg); + } + else + { + MV_REG_WRITE(AHB_TO_MBUS_WIN_INTEREG_REG, decRegs.baseReg); + } + + + /* Internal register space have no size */ + /* register. Do not perform size register assigment for those targets */ + if (winNum != MV_AHB_TO_MBUS_INTREG_WIN) + { + /* Write to address decode Size Register */ + MV_REG_WRITE(AHB_TO_MBUS_WIN_CTRL_REG(winNum), decRegs.sizeReg); + } + + return MV_OK; +} + +/******************************************************************************* +* mvAhbToMbusWinGet - Get CPU-to-peripheral winNum address window +* +* DESCRIPTION: +* Get the CPU peripheral winNum address window. +* +* INPUT: +* winNum - Peripheral winNum enumerator +* +* OUTPUT: +* pAddrDecWin - CPU winNum window information data structure. +* +* RETURN: +* MV_OK if winNum exist, MV_ERROR otherwise. +* +*******************************************************************************/ +MV_STATUS mvAhbToMbusWinGet(MV_U32 winNum, MV_AHB_TO_MBUS_DEC_WIN *pAddrDecWin) +{ + MV_DEC_REGS decRegs; + MV_TARGET_ATTRIB targetAttrib; + + + /* Parameter checking */ + if (winNum >= MAX_AHB_TO_MBUS_WINS) + { + mvOsPrintf("mvAhbToMbusWinGet: ERR. Invalid winNum %d\n", winNum); + return MV_NOT_SUPPORTED; + } + + + /* Internal register space size have no size register*/ + if (winNum != MV_AHB_TO_MBUS_INTREG_WIN) + { + decRegs.sizeReg = MV_REG_READ(AHB_TO_MBUS_WIN_CTRL_REG(winNum)); + } + else + { + decRegs.sizeReg = 0; + } + + + /* Read base and size */ + if (winNum != MV_AHB_TO_MBUS_INTREG_WIN) + { + decRegs.baseReg = MV_REG_READ(AHB_TO_MBUS_WIN_BASE_REG(winNum)); + } + else + { + decRegs.baseReg = MV_REG_READ(AHB_TO_MBUS_WIN_INTEREG_REG); + } + + + + if (MV_OK != mvCtrlRegToAddrDec(&decRegs,&(pAddrDecWin->addrWin))) + { + mvOsPrintf("mvAhbToMbusWinGet: mvCtrlRegToAddrDec Failed \n"); + return MV_ERROR; + } + + if (winNum == MV_AHB_TO_MBUS_INTREG_WIN) + { + pAddrDecWin->addrWin.size = INTER_REGS_SIZE; + pAddrDecWin->target = INTER_REGS; + pAddrDecWin->enable = MV_TRUE; + + return MV_OK; + } + + + if (decRegs.sizeReg & ATMWCR_WIN_ENABLE) + { + pAddrDecWin->enable = MV_TRUE; + } + else + { + pAddrDecWin->enable = MV_FALSE; + + } + + + + if (-1 == pAddrDecWin->addrWin.size) + { + return MV_ERROR; + } + + /* attrib and targetId */ + targetAttrib.attrib = (decRegs.sizeReg & ATMWCR_WIN_ATTR_MASK) >> + ATMWCR_WIN_ATTR_OFFS; + targetAttrib.targetId = (decRegs.sizeReg & ATMWCR_WIN_TARGET_MASK) >> + ATMWCR_WIN_TARGET_OFFS; + + pAddrDecWin->target = mvCtrlTargetGet(&targetAttrib); + + return MV_OK; +} + +/******************************************************************************* +* mvAhbToMbusWinTargetGet - Get Window number associated with target +* +* DESCRIPTION: +* +* INPUT: +* +* OUTPUT: +* +* RETURN: +* +*******************************************************************************/ +MV_U32 mvAhbToMbusWinTargetGet(MV_TARGET target) +{ + MV_AHB_TO_MBUS_DEC_WIN decWin; + MV_U32 winNum; + + /* Check parameters */ + if (target >= MAX_TARGETS) + { + mvOsPrintf("mvAhbToMbusWinTargetGet: target %d is Illigal\n", target); + return 0xffffffff; + } + + if (INTER_REGS == target) + { + return MV_AHB_TO_MBUS_INTREG_WIN; + } + + for (winNum = 0; winNum < MAX_AHB_TO_MBUS_WINS ; winNum++) + { + if (winNum == MV_AHB_TO_MBUS_INTREG_WIN) + continue; + + if (mvAhbToMbusWinGet(winNum,&decWin) != MV_OK) + { + mvOsPrintf("mvAhbToMbusWinTargetGet: mvAhbToMbusWinGet fail\n"); + return 0xffffffff; + + } + + if (decWin.enable == MV_TRUE) + { + if (decWin.target == target) + { + return winNum; + } + + } + + } + + return 0xFFFFFFFF; + + +} + +/******************************************************************************* +* mvAhbToMbusWinAvailGet - Get First Available window number. +* +* DESCRIPTION: +* +* INPUT: +* +* OUTPUT: +* +* RETURN: +* +*******************************************************************************/ +MV_U32 mvAhbToMbusWinAvailGet(MV_VOID) +{ + MV_AHB_TO_MBUS_DEC_WIN decWin; + MV_U32 winNum; + + for (winNum = 0; winNum < MAX_AHB_TO_MBUS_WINS ; winNum++) + { + if (winNum == MV_AHB_TO_MBUS_INTREG_WIN) + continue; + + if (mvAhbToMbusWinGet(winNum,&decWin) != MV_OK) + { + mvOsPrintf("mvAhbToMbusWinTargetGet: mvAhbToMbusWinGet fail\n"); + return 0xffffffff; + + } + + if (decWin.enable == MV_FALSE) + { + return winNum; + } + + } + + return 0xFFFFFFFF; +} + + +/******************************************************************************* +* mvAhbToMbusWinEnable - 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: +* winNum - Peripheral winNum enumerator. +* enable - Enable/disable parameter. +* +* OUTPUT: +* N/A +* +* RETURN: +* MV_ERROR if protection window number was wrong, or the window +* overlapps other winNum window. +* +*******************************************************************************/ +MV_STATUS mvAhbToMbusWinEnable(MV_U32 winNum, MV_BOOL enable) +{ + + /* Parameter checking */ + if (winNum >= MAX_AHB_TO_MBUS_WINS) + { + mvOsPrintf("mvAhbToMbusWinEnable: ERR. Invalid winNum %d\n", winNum); + return MV_NOT_SUPPORTED; + } + + /* Internal registers bar can't be disable or enabled */ + if (winNum == MV_AHB_TO_MBUS_INTREG_WIN) + { + return (enable ? MV_OK : MV_ERROR); + } + + if (enable == MV_TRUE) + { + /* enable the window */ + MV_REG_BIT_SET(AHB_TO_MBUS_WIN_CTRL_REG(winNum), ATMWCR_WIN_ENABLE); + } + else + { /* Disable address decode winNum window */ + MV_REG_BIT_RESET(AHB_TO_MBUS_WIN_CTRL_REG(winNum), ATMWCR_WIN_ENABLE); + } + + return MV_OK; +} + + +/******************************************************************************* +* mvAhbToMbusWinRemap - Set CPU remap register for address windows. +* +* DESCRIPTION: +* After a CPU address hits one of PCI address decode windows there is an +* option to remap the address to a different one. For example, CPU +* executes a read from PCI winNum window address 0x1200.0000. This +* can be modified so the address on the PCI bus would be 0x1400.0000 +* Using the PCI address remap mechanism. +* +* INPUT: +* winNum - Peripheral winNum enumerator. Must be a PCI winNum. +* pAddrDecWin - CPU winNum 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 winNum is not a PCI one, MV_OK otherwise. +* +*******************************************************************************/ +MV_U32 mvAhbToMbusWinRemap(MV_U32 winNum, MV_ADDR_WIN *pAddrWin) +{ + MV_U32 baseAddr; + AHB_TO_MBUS_REMAP_REG_OFFS remapRegOffs; + + MV_U32 effectiveBaseAddress=0, + baseAddrValue=0,windowSizeValue=0; + + + /* Get registers offsets of given winNum */ + if (MV_NO_SUCH == ahbToMbusRemapRegOffsGet(winNum, &remapRegOffs)) + { + return 0xffffffff; + } + + /* 1) Set address remap low */ + baseAddr = pAddrWin->baseLow; + + /* Check base address aligment */ + /* + if (MV_IS_NOT_ALIGN(baseAddr, ATMWRLR_REMAP_LOW_ALIGNMENT)) + { + mvOsPrintf("mvAhbToMbusPciRemap: Warning. Target base 0x%x unaligned\n", + baseAddr); + return MV_ERROR; + } + */ + + /* BaseLow[31:16] => base register [31:16] */ + baseAddr = baseAddr & ATMWRLR_REMAP_LOW_MASK; + + MV_REG_WRITE(remapRegOffs.lowRegOffs, baseAddr); + + MV_REG_WRITE(remapRegOffs.highRegOffs, pAddrWin->baseHigh); + + + baseAddrValue = MV_REG_READ(AHB_TO_MBUS_WIN_BASE_REG(winNum)); + windowSizeValue = MV_REG_READ(AHB_TO_MBUS_WIN_CTRL_REG(winNum)); + + baseAddrValue &= ATMWBR_BASE_MASK; + windowSizeValue &=ATMWCR_WIN_SIZE_MASK; + + /* Start calculating the effective Base Address */ + effectiveBaseAddress = baseAddrValue ; + + /* The effective base address will be combined from the chopped (if any) + remap value (according to the size value and remap mechanism) and the + window's base address */ + effectiveBaseAddress |= (((windowSizeValue) | 0xffff) & pAddrWin->baseLow); + /* If the effectiveBaseAddress exceed the window boundaries return an + invalid value. */ + + if (effectiveBaseAddress > (baseAddrValue + (windowSizeValue | 0xffff))) + { + mvOsPrintf("mvAhbToMbusPciRemap: Error\n"); + return 0xffffffff; + } + + return effectiveBaseAddress; + + +} +/******************************************************************************* +* mvAhbToMbusWinTargetSwap - Swap AhbToMbus windows between targets +* +* DESCRIPTION: +* +* INPUT: +* target1 - CPU Interface target 1 +* target2 - CPU Interface target 2 +* +* OUTPUT: +* None. +* +* RETURN: +* MV_ERROR if targets are illigal, or if one of the targets is not +* associated to a valid window . +* MV_OK otherwise. +* +*******************************************************************************/ + + +MV_STATUS mvAhbToMbusWinTargetSwap(MV_TARGET target1,MV_TARGET target2) +{ + MV_U32 winNum1,winNum2; + MV_AHB_TO_MBUS_DEC_WIN winDec1,winDec2,winDecTemp; + AHB_TO_MBUS_REMAP_REG_OFFS remapRegs1,remapRegs2; + MV_U32 remapBaseLow1=0,remapBaseLow2=0; + MV_U32 remapBaseHigh1=0,remapBaseHigh2=0; + + + /* Check parameters */ + if (target1 >= MAX_TARGETS) + { + mvOsPrintf("mvAhbToMbusWinTargetSwap: target %d is Illigal\n", target1); + return MV_ERROR; + } + + if (target2 >= MAX_TARGETS) + { + mvOsPrintf("mvAhbToMbusWinTargetSwap: target %d is Illigal\n", target1); + return MV_ERROR; + } + + + /* get window associated with this target */ + winNum1 = mvAhbToMbusWinTargetGet(target1); + + if (winNum1 == 0xffffffff) + { + mvOsPrintf("mvAhbToMbusWinTargetSwap: target %d has illigal win %d\n", + target1,winNum1); + return MV_ERROR; + + } + + /* get window associated with this target */ + winNum2 = mvAhbToMbusWinTargetGet(target2); + + if (winNum2 == 0xffffffff) + { + mvOsPrintf("mvAhbToMbusWinTargetSwap: target %d has illigal win %d\n", + target2,winNum2); + return MV_ERROR; + + } + + /* now Get original values of both Windows */ + if (MV_OK != mvAhbToMbusWinGet(winNum1,&winDec1)) + { + mvOsPrintf("mvAhbToMbusWinTargetSwap: mvAhbToMbusWinGet failed win %d\n", + winNum1); + return MV_ERROR; + + } + if (MV_OK != mvAhbToMbusWinGet(winNum2,&winDec2)) + { + mvOsPrintf("mvAhbToMbusWinTargetSwap: mvAhbToMbusWinGet failed win %d\n", + winNum2); + return MV_ERROR; + + } + + + /* disable both windows */ + if (MV_OK != mvAhbToMbusWinEnable(winNum1,MV_FALSE)) + { + mvOsPrintf("mvAhbToMbusWinTargetSwap: failed to enable window %d\n", + winNum1); + return MV_ERROR; + + } + if (MV_OK != mvAhbToMbusWinEnable(winNum2,MV_FALSE)) + { + mvOsPrintf("mvAhbToMbusWinTargetSwap: failed to enable windo %d\n", + winNum2); + return MV_ERROR; + + } + + + /* now swap targets */ + + /* first save winDec2 values */ + winDecTemp.addrWin.baseHigh = winDec2.addrWin.baseHigh; + winDecTemp.addrWin.baseLow = winDec2.addrWin.baseLow; + winDecTemp.addrWin.size = winDec2.addrWin.size; + winDecTemp.enable = winDec2.enable; + winDecTemp.target = winDec2.target; + + /* winDec2 = winDec1 */ + winDec2.addrWin.baseHigh = winDec1.addrWin.baseHigh; + winDec2.addrWin.baseLow = winDec1.addrWin.baseLow; + winDec2.addrWin.size = winDec1.addrWin.size; + winDec2.enable = winDec1.enable; + winDec2.target = winDec1.target; + + + /* winDec1 = winDecTemp */ + winDec1.addrWin.baseHigh = winDecTemp.addrWin.baseHigh; + winDec1.addrWin.baseLow = winDecTemp.addrWin.baseLow; + winDec1.addrWin.size = winDecTemp.addrWin.size; + winDec1.enable = winDecTemp.enable; + winDec1.target = winDecTemp.target; + + + /* now set the new values */ + + + mvAhbToMbusWinSet(winNum1,&winDec1); + mvAhbToMbusWinSet(winNum2,&winDec2); + + + + + + /* now we will treat the remap windows if exist */ + + + /* now check if one or both windows has a remap window + as well after the swap ! */ + + /* if a window had a remap value differnt than the base value + before the swap , then after the swap the remap value will be + equal to the base value unless both windows has a remap windows*/ + + /* first get old values */ + if (MV_NO_SUCH != ahbToMbusRemapRegOffsGet(winNum1,&remapRegs1)) + { + remapBaseLow1 = MV_REG_READ(remapRegs1.lowRegOffs); + remapBaseHigh1 = MV_REG_READ(remapRegs1.highRegOffs); + + } + if (MV_NO_SUCH != ahbToMbusRemapRegOffsGet(winNum2,&remapRegs2)) + { + remapBaseLow2 = MV_REG_READ(remapRegs2.lowRegOffs); + remapBaseHigh2 = MV_REG_READ(remapRegs2.highRegOffs); + + + } + + /* now do the swap */ + if (MV_NO_SUCH != ahbToMbusRemapRegOffsGet(winNum1,&remapRegs1)) + { + if (MV_NO_SUCH != ahbToMbusRemapRegOffsGet(winNum2,&remapRegs2)) + { + /* Two windows has a remap !!! so swap */ + + MV_REG_WRITE(remapRegs2.highRegOffs,remapBaseHigh1); + MV_REG_WRITE(remapRegs2.lowRegOffs,remapBaseLow1); + + MV_REG_WRITE(remapRegs1.highRegOffs,remapBaseHigh2); + MV_REG_WRITE(remapRegs1.lowRegOffs,remapBaseLow2); + + + + } + else + { + /* remap == base */ + MV_REG_WRITE(remapRegs1.highRegOffs,winDec1.addrWin.baseHigh); + MV_REG_WRITE(remapRegs1.lowRegOffs,winDec1.addrWin.baseLow); + + } + + } + else if (MV_NO_SUCH != ahbToMbusRemapRegOffsGet(winNum2,&remapRegs2)) + { + /* remap == base */ + MV_REG_WRITE(remapRegs2.highRegOffs,winDec2.addrWin.baseHigh); + MV_REG_WRITE(remapRegs2.lowRegOffs,winDec2.addrWin.baseLow); + + } + + + + return MV_OK; + + +} + + + +#if defined(MV_88F1181) + +/******************************************************************************* +* mvAhbToMbusXbarCtrlSet - Set The CPU master Xbar arbitration. +* +* DESCRIPTION: +* This function sets CPU Mbus Arbiter +* +* INPUT: +* pPizzaArbArray - A priority Structure describing 16 "pizza slices". At +* each clock cycle, the crossbar arbiter samples all +* requests and gives the bus to the next agent according +* to the "pizza". +* +* OUTPUT: +* N/A +* +* RETURN: +* MV_ERROR if paramers to function invalid. +* +*******************************************************************************/ +MV_STATUS mvMbusArbSet(MV_MBUS_ARB_TARGET *pPizzaArbArray) +{ + MV_U32 sliceNum; + MV_U32 xbarCtrl = 0; + MV_MBUS_ARB_TARGET xbarTarget; + + /* 1) Set crossbar control low register */ + for (sliceNum = 0; sliceNum < MRLR_SLICE_NUM; sliceNum++) + { + xbarTarget = pPizzaArbArray[sliceNum]; + + /* sliceNum parameter check */ + if (xbarTarget > MAX_MBUS_ARB_TARGETS) + { + mvOsPrintf("mvAhbToMbusXbarCtrlSet: ERR. Can't set Target %d\n", + xbarTarget); + return MV_ERROR; + } + xbarCtrl |= (xbarTarget << MRLR_LOW_ARB_OFFS(sliceNum)); + } + /* Write to crossbar control low register */ + MV_REG_WRITE(MBUS_ARBITER_LOW_REG, xbarCtrl); + + xbarCtrl = 0; + + /* 2) Set crossbar control high register */ + for (sliceNum = MRLR_SLICE_NUM; + sliceNum < MRLR_SLICE_NUM+MRHR_SLICE_NUM; + sliceNum++) + { + + xbarTarget = pPizzaArbArray[sliceNum]; + + /* sliceNum parameter check */ + if (xbarTarget > MAX_MBUS_ARB_TARGETS) + { + mvOsPrintf("mvAhbToMbusXbarCtrlSet: ERR. Can't set Target %d\n", + xbarTarget); + return MV_ERROR; + } + xbarCtrl |= (xbarTarget << MRHR_HIGH_ARB_OFFS(sliceNum)); + } + /* Write to crossbar control high register */ + MV_REG_WRITE(MBUS_ARBITER_HIGH_REG, xbarCtrl); + + return MV_OK; +} + +/******************************************************************************* +* mvMbusArbCtrlSet - Set MBus Arbiter control register +* +* DESCRIPTION: +* +* INPUT: +* ctrl - pointer to MV_MBUS_ARB_CTRL register +* +* OUTPUT: +* N/A +* +* RETURN: +* MV_ERROR if paramers to function invalid. +* +*******************************************************************************/ +MV_STATUS mvMbusArbCtrlSet(MV_MBUS_ARB_CTRL *ctrl) +{ + + if (ctrl->highPrio == MV_FALSE) + { + MV_REG_BIT_RESET(MBUS_ARBITER_CTRL_REG, MACR_ARB_ARM_TOP); + } + else + { + MV_REG_BIT_SET(MBUS_ARBITER_CTRL_REG, MACR_ARB_ARM_TOP); + } + + if (ctrl->fixedRoundRobin == MV_FALSE) + { + MV_REG_BIT_RESET(MBUS_ARBITER_CTRL_REG, MACR_ARB_TARGET_FIXED); + } + else + { + MV_REG_BIT_SET(MBUS_ARBITER_CTRL_REG, MACR_ARB_TARGET_FIXED); + } + + if (ctrl->starvEn == MV_FALSE) + { + MV_REG_BIT_RESET(MBUS_ARBITER_CTRL_REG, MACR_ARB_REQ_CTRL_EN); + } + else + { + MV_REG_BIT_SET(MBUS_ARBITER_CTRL_REG, MACR_ARB_REQ_CTRL_EN); + } + + return MV_OK; +} + +/******************************************************************************* +* mvMbusArbCtrlGet - Get MBus Arbiter control register +* +* DESCRIPTION: +* +* INPUT: +* ctrl - pointer to MV_MBUS_ARB_CTRL register +* +* OUTPUT: +* ctrl - pointer to MV_MBUS_ARB_CTRL register +* +* RETURN: +* MV_ERROR if paramers to function invalid. +* +*******************************************************************************/ +MV_STATUS mvMbusArbCtrlGet(MV_MBUS_ARB_CTRL *ctrl) +{ + + MV_U32 ctrlReg = MV_REG_READ(MBUS_ARBITER_CTRL_REG); + + if (ctrlReg & MACR_ARB_ARM_TOP) + { + ctrl->highPrio = MV_TRUE; + } + else + { + ctrl->highPrio = MV_FALSE; + } + + if (ctrlReg & MACR_ARB_TARGET_FIXED) + { + ctrl->fixedRoundRobin = MV_TRUE; + } + else + { + ctrl->fixedRoundRobin = MV_FALSE; + } + + if (ctrlReg & MACR_ARB_REQ_CTRL_EN) + { + ctrl->starvEn = MV_TRUE; + } + else + { + ctrl->starvEn = MV_FALSE; + } + + + return MV_OK; +} + +#endif /* #if defined(MV_88F1181) */ + + + +/******************************************************************************* +* ahbToMbusRemapRegOffsGet - Get CPU address remap register offsets +* +* DESCRIPTION: +* CPU to PCI address remap registers offsets are inconsecutive. +* This function returns PCI address remap registers offsets. +* +* INPUT: +* winNum - Address decode window number. See MV_U32 enumerator. +* +* OUTPUT: +* None. +* +* RETURN: +* MV_ERROR if winNum is not a PCI one. +* +*******************************************************************************/ +static MV_STATUS ahbToMbusRemapRegOffsGet(MV_U32 winNum, + AHB_TO_MBUS_REMAP_REG_OFFS *pRemapRegs) +{ + switch (winNum) + { + case 0: + case 1: + pRemapRegs->lowRegOffs = AHB_TO_MBUS_WIN_REMAP_LOW_REG(winNum); + pRemapRegs->highRegOffs = AHB_TO_MBUS_WIN_REMAP_HIGH_REG(winNum); + break; + case 2: + case 3: + if((mvCtrlModelGet() == MV_5281_DEV_ID) || + (mvCtrlModelGet() == MV_1281_DEV_ID) || + (mvCtrlModelGet() == MV_6183_DEV_ID) || + (mvCtrlModelGet() == MV_6183L_DEV_ID)) + { + pRemapRegs->lowRegOffs = AHB_TO_MBUS_WIN_REMAP_LOW_REG(winNum); + pRemapRegs->highRegOffs = AHB_TO_MBUS_WIN_REMAP_HIGH_REG(winNum); + break; + } + else + { + pRemapRegs->lowRegOffs = 0; + pRemapRegs->highRegOffs = 0; + + DB(mvOsPrintf("ahbToMbusRemapRegOffsGet: ERR. Invalid winNum %d\n", + winNum)); + return MV_NO_SUCH; + } + default: + { + pRemapRegs->lowRegOffs = 0; + pRemapRegs->highRegOffs = 0; + + DB(mvOsPrintf("ahbToMbusRemapRegOffsGet: ERR. Invalid winNum %d\n", + winNum)); + return MV_NO_SUCH; + } + } + + return MV_OK; +} + +/******************************************************************************* +* mvAhbToMbusAddDecShow - Print the AHB to MBus bridge address decode map. +* +* DESCRIPTION: +* This function print the CPU address decode map. +* +* INPUT: +* None. +* +* OUTPUT: +* None. +* +* RETURN: +* None. +* +*******************************************************************************/ +MV_VOID mvAhbToMbusAddDecShow(MV_VOID) +{ + MV_AHB_TO_MBUS_DEC_WIN win; + MV_U32 winNum; + mvOsOutput( "\n" ); + mvOsOutput( "AHB To MBUS Bridge:\n" ); + mvOsOutput( "-------------------\n" ); + + for( winNum = 0; winNum < MAX_AHB_TO_MBUS_WINS; winNum++ ) + { + memset( &win, 0, sizeof(MV_AHB_TO_MBUS_DEC_WIN) ); + + mvOsOutput( "win%d - ", winNum ); + + if( mvAhbToMbusWinGet( winNum, &win ) == MV_OK ) + { + if( win.enable ) + { + mvOsOutput( "%s base %08x, ", + mvCtrlTargetNameGet(win.target), win.addrWin.baseLow ); + mvOsOutput( "...." ); + mvSizePrint( win.addrWin.size ); + + mvOsOutput( "\n" ); + + } + else + mvOsOutput( "disable\n" ); + } + } + +} + |