/*******************************************************************************
* 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 illegal\n",pexTarget);
return 0xffffffff;
}
}
else
{
if (!MV_TARGET_IS_PEX0(pexTarget))
{
mvOsPrintf("mvCpuIfPexRemap: target %d is illegal\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);
}
/*******************************************************************************
* 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 illegal\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;
/* 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))
{
/* 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;
}
/*******************************************************************************
* 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 pciIfTarget, MV_ADDR_WIN *pAddrDecWin)
{
MV_U32 winNum;
/* get the Window number associated with this target */
winNum = mvAhbToMbusWinTargetGet(pciIfTarget);
if (winNum >= MAX_AHB_TO_MBUS_WINS) {
mvOsPrintf("mvCpuIfPexRemap: mvAhbToMbusWinTargetGet Failed\n");
return 0xffffffff;
}
return mvAhbToMbusWinRemap(winNum, pAddrDecWin);
}
/*******************************************************************************
* 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 illegal\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);
}
MV_U32 mvPexHwConfigRead (MV_U32 pexIf, MV_U32 bus, MV_U32 dev, MV_U32 func,
MV_U32 regOff)
{
#endif
MV_U32 pexData = 0;
MV_U32 localDev,localBus;
/* Parameter checking */
if (PEX_DEFAULT_IF != pexIf)
{
if (pexIf >= mvCtrlPexMaxIfGet())
{
mvOsPrintf("mvPexConfigRead: ERR. Invalid PEX interface %d\n",pexIf);
return 0xFFFFFFFF;
}
}
if (dev >= MAX_PEX_DEVICES)
{
DB(mvOsPrintf("mvPexConfigRead: ERR. device number illigal %d\n", dev));
return 0xFFFFFFFF;
}
if (func >= MAX_PEX_FUNCS)
{
DB(mvOsPrintf("mvPexConfigRead: ERR. function num illigal %d\n", func));
return 0xFFFFFFFF;
}
if (bus >= MAX_PEX_BUSSES)
{
DB(mvOsPrintf("mvPexConfigRead: ERR. bus number illigal %d\n", bus));
return MV_ERROR;
}
DB(mvOsPrintf("mvPexConfigRead: pexIf %d, bus %d, dev %d, func %d, regOff 0x%x\n",
pexIf, bus, dev, func, regOff));
localDev = mvPexLocalDevNumGet(pexIf);
localBus = mvPexLocalBusNumGet(pexIf);
/* Speed up the process. In case on no link, return MV_ERROR */
if ((dev != localDev) || (bus != localBus))
{
pexData = MV_REG_READ(PEX_STATUS_REG(pexIf));
if ((pexData & PXSR_DL_DOWN))
{
return MV_ERROR;
}
}
/* in PCI Express we have only one device number */
/* and this number is the first number we encounter
else that the localDev*/
/* spec pex define return on config read/write on any device */
if (bus == localBus)
{
if (localDev == 0)
{
/* if local dev is 0 then the first number we encounter
after 0 is 1 */
if ((dev != 1)&&(dev != localDev))
{
return MV_ERROR;
}
}
else
{
/* if local dev is not 0 then the first number we encounter
is 0 */
if ((dev != 0)&&(dev != localDev))
{
return MV_ERROR;
}
}
if(func != 0 ) /* i.e bridge */
{
return MV_ERROR;
}
}
/* Creating PEX address to be passed */
pexData = (bus << PXCAR_BUS_NUM_OFFS);
pexData |= (dev << PXCAR_DEVICE_NUM_OFFS);
pexData |= (func << PXCAR_FUNC_NUM_OFFS);
pexData |= (regOff & PXCAR_REG_NUM_MASK); /* lgacy register space */
/* extended register space */
pexData |=(((regOff & PXCAR_REAL_EXT_REG_NUM_MASK) >>
PXCAR_REAL_EXT_REG_NUM_OFFS) << PXCAR_EXT_REG_NUM_OFFS);
pexData |= PXCAR_CONFIG_EN;
/* Write the address to the PEX configuration address register */
MV_REG_WRITE(PEX_CFG_ADDR_REG(pexIf), pexData);
DB(mvOsPrintf("mvPexConfigRead:address pexData=%x ",pexData));
/* In order to let the PEX controller absorbed the address of the read */
/* transaction we perform a validity check that the address was written */
if(pexData != MV_REG_READ(PEX_CFG_ADDR_REG(pexIf)))
{
return MV_ERROR;
}
/* cleaning Master Abort */
MV_REG_BIT_SET(PEX_CFG_DIRECT_ACCESS(pexIf,PEX_STATUS_AND_COMMAND),
PXSAC_MABORT);
#if 0
/* Guideline (GL# PCI Express-1) Erroneous Read Data on Configuration */
/* This guideline is relevant for all devices except of the following devices:
88F5281-BO and above, 88F5181L-A0 and above, 88F1281 A0 and above
88F6183 A0 and above, 88F6183L */
if ( ( (dev != localDev) || (bus != localBus) ) &&
(
!(MV_5281_DEV_ID == mvCtrlModelGet())&&
!((MV_5181_DEV_ID == mvCtrlModelGet())&& (mvCtrlRevGet() >= MV_5181L_A0_REV))&&
!(MV_1281_DEV_ID == mvCtrlModelGet())&&
!(MV_6183_DEV_ID == mvCtrlModelGet())&&
!(MV_6183L_DEV_ID == mvCtrlModelGet())&&
!(MV_6281_DEV_ID == mvCtrlModelGet())&&
!(MV_6192_DEV_ID == mvCtrlModelGet())&&
!(MV_6190_DEV_ID == mvCtrlModelGet())&&
!(MV_6180_DEV_ID == mvCtrlModelGet())&&
!(MV_78XX0_DEV_ID == mvCtrlModelGet())
))
{
/* PCI-Express configuration read work-around */
/* we will use one of the Punit (AHBToMbus) windows to access the xbar
and read the data from there */
/*
Need to configure the 2 free Punit (AHB to MBus bridge)
address decoding windows:
Configure the flash Window to handle Configuration space requests
for PEX0/1:
1. write 0x7931/0x7941 to the flash window and the size,
79-xbar attr (pci cfg), 3/4-xbar target (pex0/1), 1-WinEn
2. write base to flash window
Configuration transactions from the CPU should write/read the data
to/from address of the form:
addr[31:28] = 0x5 (for PEX0) or 0x6 (for PEX1)
addr[27:24] = extended register number
addr[23:16] = bus number
addr[15:11] = device number
addr[10:8] = function number
addr[7:0] = register number
*/
#include "ctrlEnv/sys/mvAhbToMbus.h"
{
MV_U32 winNum;
MV_AHB_TO_MBUS_DEC_WIN originWin;
MV_U32 pciAddr=0;
MV_U32 remapLow=0,remapHigh=0;
/*
We will use DEV_CS2\Flash window for this workarround
*/
winNum = mvAhbToMbusWinTargetGet(PEX_CONFIG_RW_WA_TARGET);
/* save remap values if exist */
if ((1 == winNum)||(0 == winNum))
{
remapLow = MV_REG_READ(AHB_TO_MBUS_WIN_REMAP_LOW_REG(winNum));
remapHigh = MV_REG_READ(AHB_TO_MBUS_WIN_REMAP_HIGH_REG(winNum));
}
/* save the original window values */
mvAhbToMbusWinGet(winNum,&originWin);
if (PEX_CONFIG_RW_WA_USE_ORIGINAL_WIN_VALUES)
{
/* set the window as xbar window */
if (pexIf)
{
MV_REG_WRITE(AHB_TO_MBUS_WIN_CTRL_REG(winNum),
(0x7931 | (((originWin.addrWin.size >> 16)-1) ) << 16));
}
else
{
MV_REG_WRITE(AHB_TO_MBUS_WIN_CTRL_REG(winNum),
(0x7941 | (((originWin.addrWin.size >> 16)-1) ) << 16));
}
MV_REG_WRITE(AHB_TO_MBUS_WIN_BASE_REG(winNum),
originWin.addrWin.baseLow);
/*pciAddr = originWin.addrWin.baseLow;*/
pciAddr = (MV_U32)CPU_MEMIO_UNCACHED_ADDR(
(MV_U32)originWin.addrWin.baseLow);
}
/*******************************************************************************
* 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 illegal\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;
}
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;
}
/*******************************************************************************
* 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;
MV_U32 dramEn = 0;
MV_TARGET i;
target = MV_CHANGE_BOOT_CS(target);
/* Check parameters */
if (target >= MAX_TARGETS) {
mvOsPrintf("mvCpuIfTargetWinGet: target %d is illegal\n", target);
return MV_ERROR;
}
if (MV_TARGET_IS_DRAM(target)) {
/* If none of the DRAM windows is enabled, then the CPU DRAM
** access is going through the XBAR.
*/
for (i = SDRAM_CS0; i < SDRAM_CS3; i++) {
if (mvDramIfWinGet(target, &addrDecWin) != MV_OK) {
mvOsPrintf("mvCpuIfTargetWinGet: Failed to get window target %d\n", i);
return MV_ERROR;
}
if (addrDecWin.enable == MV_TRUE)
dramEn = 1;
}
}
if ((dramEn == 1) && (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", __func__, 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;
}
