/*******************************************************************************
* 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" );
}
}
}
/*******************************************************************************
* 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;
}
/*******************************************************************************
* mvAhbToMbusWinAvailGet - Get First Available window number.
*
* DESCRIPTION:
*
* INPUT:
*
* OUTPUT:
*
* RETURN:
*
*******************************************************************************/
MV_U32 mvAhbToMbusWinAvailGet(MV_U32 cpu)
{
MV_AHB_TO_MBUS_DEC_WIN decWin;
MV_U32 winNum;
if (cpu >= MV_MAX_CPU)
{
mvOsPrintf("mvAhbToMbusWinAvailGet: ERR. Invalid cpu %d\n", cpu);
return MV_NOT_SUPPORTED;
}
for (winNum = 0; winNum < MAX_AHB_TO_MBUS_WINS ; winNum++)
{
if (winNum == MV_AHB_TO_MBUS_INTREG_WIN)
continue;
if (mvAhbToMbusWinGet(cpu, winNum,&decWin) != MV_OK)
{
mvOsPrintf("mvAhbToMbusWinTargetGet: mvAhbToMbusWinGet fail\n");
return 0xffffffff;
}
if (decWin.enable == MV_FALSE)
{
return winNum;
}
}
return 0xFFFFFFFF;
}
/*******************************************************************************
* 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 illegal\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;
}
/*******************************************************************************
* 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;
}
/*******************************************************************************
* 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;
if (target >= MAX_TARGETS) {
mvOsPrintf("%s: Error: target %d is illegal\n", __func__, 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("%s: Error: mvAhbToMbusWinGet(winNum = %d) failed\n",
__func__, winNum);
return 0xffffffff;
}
if (decWin.enable == MV_TRUE) {
if (decWin.target == target)
return winNum;
}
}
return 0xFFFFFFFF;
}
static void save_kw2_cpu_win_state(void)
{
u32 i;
MV_AHB_TO_MBUS_DEC_WIN winInfo;
/* Save CPU windows state, and enable access for Bootrom *
** according to SoC default address decoding windows. */
for(i = 0; i < MAX_AHB_TO_MBUS_WINS; i++) {
mvAhbToMbusWinGet(i, &ahbAddrDecWin[i]);
mvAhbToMbusWinRemapGet(i, &ahbAddrWinRemap[i]);
/* Disable the window */
mvAhbToMbusWinEnable(i, MV_FALSE);
}
/* Open default windows for Bootrom, PnC and internal regs. */
/* Bootrom */
winInfo.target = BOOT_ROM_CS;
winInfo.addrWin.baseLow = 0xF8000000;
winInfo.addrWin.baseHigh = 0x0;
winInfo.addrWin.size = _128M;
winInfo.enable = MV_TRUE;
mvAhbToMbusWinSet(7, &winInfo);
/* PnC */
winInfo.target = PNC_BM;
winInfo.addrWin.baseLow = 0xC0060000;
winInfo.addrWin.baseHigh = 0x0;
winInfo.addrWin.size = _64K;
winInfo.enable = MV_TRUE;
mvAhbToMbusWinSet(6, &winInfo);
#if 0
/* Internal regs */
winInfo.target = INTER_REGS;
winInfo.addrWin.baseLow = 0xD0000000;
winInfo.addrWin.baseHigh = 0x0;
winInfo.addrWin.size = _1M;
winInfo.enable = MV_TRUE;
mvAhbToMbusWinSet(MV_AHB_TO_MBUS_INTREG_WIN, &winInfo);
#endif
/* Cesa SRAM */
winInfo.target = CRYPT1_ENG;
winInfo.addrWin.baseLow = 0xC8010000;
winInfo.addrWin.baseHigh = 0x0;
winInfo.addrWin.size = _64K;
winInfo.enable = MV_TRUE;
mvAhbToMbusWinSet(4, &winInfo);
}
/*******************************************************************************
* mvAhbToMbusWinTargetGet - Get Window number associated with target
*
* DESCRIPTION:
*
* INPUT:
*
* OUTPUT:
*
* RETURN:
*
*******************************************************************************/
MV_U32 mvAhbToMbusWinTargetGet(MV_U32 cpu, MV_TARGET target)
{
MV_AHB_TO_MBUS_DEC_WIN decWin;
MV_U32 winNum;
/* Parameter checking */
if (cpu >= MV_MAX_CPU)
{
mvOsPrintf("mvAhbToMbusWinTargetGet: ERR. Invalid cpu %d\n", cpu);
return MV_NOT_SUPPORTED;
}
/* 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(cpu,winNum,&decWin) != MV_OK)
{
mvOsPrintf("mvAhbToMbusWinTargetGet: mvAhbToMbusWinGet fail, win %d\n", winNum);
return 0xffffffff;
}
if (decWin.enable == MV_TRUE)
{
if (decWin.target == target)
{
return winNum;
}
}
}
return 0xFFFFFFFF;
}
/*******************************************************************************
* mvAhbToMbusAddDecShow - Print the Ahb to MBus bridge address decode map.
*
* DESCRIPTION:
* This function print the CPU address decode map.
*
* INPUT:
* cpu - CPU id
*
* OUTPUT:
* None.
*
* RETURN:
* None.
*
*******************************************************************************/
MV_VOID mvAhbToMbusAddDecShow(MV_U32 cpu)
{
MV_AHB_TO_MBUS_DEC_WIN win;
MV_U32 winNum;
/* Check parameters */
if (cpu >= MV_MAX_CPU)
{
mvOsPrintf("mvAhbToMbusAddDecShow: ERR. Invalid cpu %d\n", cpu);
return;
}
mvOsOutput( "\n" );
mvOsOutput( "CPU %d, AHB To MBUS Bridge:\n", cpu);
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(cpu, 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" );
}
}
}
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);
}
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;
}
