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/*******************************************************************************
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*******************************************************************************/
/* includes */
#include "mvCommon.h"
#include "mvOs.h"
#include "ctrlEnv/mvCtrlEnvSpec.h"
#include "ctrlEnv/mvCtrlEnvAddrDec.h"
#include "ctrlEnv/mvCtrlEnvLib.h"
#include "boardEnv/mvBoardEnvLib.h"
#include "sys/mvCpuIf.h"
#undef MV_DEBUG
/* defines */
#ifdef MV_DEBUG
#define DB(x) x
#else
#define DB(x)
#endif
/* Default Attributes array */
MV_TARGET_ATTRIB mvTargetDefaultsArray[] = TARGETS_DEF_ARRAY;
extern MV_TARGET sampleAtResetTargetArray[];
/*******************************************************************************
* mvCtrlAttribGet -
*
* DESCRIPTION:
*
* INPUT:
*
* OUTPUT:
*
* RETURN:
*
*******************************************************************************/
MV_STATUS mvCtrlAttribGet(MV_TARGET target, MV_TARGET_ATTRIB *targetAttrib)
{
targetAttrib->attrib = mvTargetDefaultsArray[MV_CHANGE_BOOT_CS(target)].attrib;
targetAttrib->targetId = mvTargetDefaultsArray[MV_CHANGE_BOOT_CS(target)].targetId;
return MV_OK;
}
/*******************************************************************************/
MV_STATUS mvCtrlAttribSet(MV_TARGET target, MV_TARGET_ATTRIB *targetAttrib)
{
mvTargetDefaultsArray[MV_CHANGE_BOOT_CS(target)].attrib = targetAttrib->attrib;
mvTargetDefaultsArray[MV_CHANGE_BOOT_CS(target)].targetId= targetAttrib->targetId;
return MV_OK;
}
/*******************************************************************************
* mvCtrlGetAttrib
*
* DESCRIPTION:
*
* INPUT:
*
* OUTPUT:
*
* RETURN:
*
*******************************************************************************/
MV_TARGET mvCtrlTargetGet(MV_TARGET_ATTRIB *targetAttrib)
{
MV_TARGET target;
MV_TARGET x;
for (target = SDRAM_CS0; target < MAX_TARGETS; target++) {
x = MV_CHANGE_BOOT_CS(target);
if ((mvTargetDefaultsArray[x].attrib == targetAttrib->attrib) &&
(mvTargetDefaultsArray[MV_CHANGE_BOOT_CS(target)].targetId == targetAttrib->targetId)) {
/* found it */
break;
}
}
return target;
}
/*******************************************************************************
* mvCtrlTargetByWinInfoGet -
*
* DESCRIPTION:
*
* INPUT:
*
* OUTPUT:
*
* RETURN:
*
*******************************************************************************/
MV_TARGET mvCtrlTargetByWinInfoGet(MV_UNIT_WIN_INFO *unitWinInfo)
{
MV_TARGET target;
MV_TARGET x;
for (target = SDRAM_CS0; target < MAX_TARGETS; target++) {
x = MV_CHANGE_BOOT_CS(target);
if ((mvTargetDefaultsArray[x].attrib == unitWinInfo->attrib) &&
(mvTargetDefaultsArray[MV_CHANGE_BOOT_CS(target)].targetId == unitWinInfo->targetId)) {
/* found it */
break;
}
}
return target;
}
/*******************************************************************************
* mvCtrlAddrWinMapBuild
*
* DESCRIPTION:
* Build the windows address decoding table, to be used for initializing
* the unit's address decoding windows.
*
* INPUT:
* pAddrWinMap: An array to hold the address decoding windows parameters.
* len: Number of entries in pAddrWinMap.
*
* OUTPUT:
* pAddrWinMap: Address window information.
*
* RETURN:
* MV_BAD_PARAM: input array is smaller than needed to store all window
* addresses.
* MV_ERROR: Otherwise.
*
*******************************************************************************/
MV_STATUS mvCtrlAddrWinMapBuild(MV_UNIT_WIN_INFO *pAddrWinMap, MV_U32 len)
{
MV_CPU_DEC_WIN cpuAddrDecWin;
MV_U32 i, j;
MV_TARGET_ATTRIB targetAttrib;
MV_STATUS status;
MV_U64 startAddr, endAddr;
MV_UNIT_WIN_INFO ioDdrWin[4];
MV_U32 base;
MV_U64 size;
/* Check size of CPU address win table */
if (len <= MAX_TARGETS) {
mvOsPrintf("%s: Table size is too small.\n", __func__);
return MV_BAD_PARAM;
}
/* Prepare an array of DRAM info */
base = 0x0;
j = 0;
for (i = SDRAM_CS0; i <= SDRAM_CS3; i++) {
status = mvCpuIfTargetWinGet(i, &cpuAddrDecWin);
if (status != MV_OK) {
if (status == MV_NO_SUCH) {
ioDdrWin[i].enable = MV_FALSE;
continue;
} else {
mvOsPrintf("%s: mvCpuIfTargetWinGet() failed.\n", __func__);
return MV_ERROR;
}
}
/* As all IO address decode windows support only 32-bit
** addresses, limit the DRAM base / size to 4GB max.
*/
startAddr = (MV_U64)((((MV_U64)cpuAddrDecWin.addrWin.baseHigh << 32ll)) +
(MV_U64)cpuAddrDecWin.addrWin.baseLow);
endAddr = (MV_U64)(startAddr + (MV_U64)cpuAddrDecWin.addrWin.size) - 1;
if (endAddr > 0xFFFFFFFFll) {
if (startAddr <= 0xFFFFFFFFll)
cpuAddrDecWin.addrWin.size = (0x100000000ll -
cpuAddrDecWin.addrWin.baseLow);
else
cpuAddrDecWin.enable = MV_FALSE;
}
if (cpuAddrDecWin.enable == MV_FALSE)
continue;
/* If the endAddr passes minBase, then we need to split
* this window to several windows up to minBase.
* For example: minBase=0xE0000000, and CS0=2, CS1=2G,
* Then we need to split the windwos as follows:
* Win0: CS-0, 2GB (Base 0x0)
* win1: CS-1, 1GB (Base 0x80000000)
* Win2: CS-1, 0.5GB (Base 0xC0000000)
*/
if (endAddr > MV_DRAM_IO_RESERVE_BASE)
/* Need to cut down this CS to IO reserve base
** address.
*/
size = MV_DRAM_IO_RESERVE_BASE -
cpuAddrDecWin.addrWin.baseLow;
else
size = cpuAddrDecWin.addrWin.size;
if (mvCtrlAttribGet(i, &targetAttrib) != MV_OK) {
mvOsPrintf("%s: mvCtrlAttribGet() failed.\n", __func__);
return MV_ERROR;
}
/* Now, spread the last CS into several windows, and make sure
** that each of has a power-of-2 size.
*/
while (size != 0) {
ioDdrWin[j].enable = MV_TRUE;
ioDdrWin[j].attrib = targetAttrib.attrib;
ioDdrWin[j].targetId = targetAttrib.targetId;
ioDdrWin[j].addrWin.baseHigh = 0;
if (MV_IS_POWER_OF_2(size))
ioDdrWin[j].addrWin.size = size;
else
ioDdrWin[j].addrWin.size = (MV_U64)(1ll << (MV_U64)mvLog2(size));
size -= ioDdrWin[j].addrWin.size;
ioDdrWin[j].addrWin.baseLow = base;
base += ioDdrWin[j].addrWin.size;
j++;
}
}
for (; j < 4; j++)
ioDdrWin[j].enable = MV_FALSE;
/* Fill in the pAddrWinMap fields */
for (i = 0; i < MAX_TARGETS; i++) {
if (MV_TARGET_IS_DRAM(i)) {
pAddrWinMap[i].addrWin.baseLow = ioDdrWin[i].addrWin.baseLow;
pAddrWinMap[i].addrWin.baseHigh = ioDdrWin[i].addrWin.baseHigh;
pAddrWinMap[i].addrWin.size = ioDdrWin[i].addrWin.size;
pAddrWinMap[i].enable = ioDdrWin[i].enable;
pAddrWinMap[i].attrib = ioDdrWin[i].attrib;
pAddrWinMap[i].targetId = ioDdrWin[i].targetId;
} else {
status = mvCpuIfTargetWinGet(i, &cpuAddrDecWin);
if (status != MV_OK) {
if (status == MV_NO_SUCH) {
pAddrWinMap[i].enable = MV_FALSE;
continue;
} else {
mvOsPrintf("mvCtrlAddrWinMapBuild()"
" - mvCpuIfTargetWinGet() failed.\n");
return MV_ERROR;
}
}
pAddrWinMap[i].addrWin.baseLow =
cpuAddrDecWin.addrWin.baseLow;
pAddrWinMap[i].addrWin.baseHigh =
cpuAddrDecWin.addrWin.baseHigh;
pAddrWinMap[i].addrWin.size =
cpuAddrDecWin.addrWin.size;
pAddrWinMap[i].enable = cpuAddrDecWin.enable;
if (mvCtrlAttribGet(i, &targetAttrib) != MV_OK) {
mvOsPrintf("mvCtrlAddrWinMapBuild() - "
"mvCtrlAttribGet() failed.\n");
return MV_ERROR;
}
pAddrWinMap[i].attrib = targetAttrib.attrib;
pAddrWinMap[i].targetId = targetAttrib.targetId;
}
}
pAddrWinMap[i].addrWin.baseLow = TBL_TERM;
pAddrWinMap[i].addrWin.baseHigh = TBL_TERM;
pAddrWinMap[i].addrWin.size = TBL_TERM;
pAddrWinMap[i].enable = TBL_TERM;
pAddrWinMap[i].attrib = TBL_TERM;
pAddrWinMap[i].targetId = TBL_TERM;
return MV_OK;
}
MV_STATUS mvCtrlAddrWinInfoGet(MV_UNIT_WIN_INFO *pAddrWinInfo, MV_ULONG physAddr)
{
MV_CPU_DEC_WIN cpuAddrDecWin;
MV_U32 i;
MV_TARGET_ATTRIB targetAttrib;
MV_STATUS status;
for (i = 0; i < MAX_TARGETS; i++) {
status = mvCpuIfTargetWinGet(i, &cpuAddrDecWin);
if (status != MV_OK)
continue;
if ((physAddr >= cpuAddrDecWin.addrWin.baseLow) &&
(physAddr < cpuAddrDecWin.addrWin.baseLow + cpuAddrDecWin.addrWin.size)) {
/* Found */
pAddrWinInfo->addrWin.baseLow = cpuAddrDecWin.addrWin.baseLow;
pAddrWinInfo->addrWin.baseHigh = cpuAddrDecWin.addrWin.baseHigh;
pAddrWinInfo->addrWin.size = cpuAddrDecWin.addrWin.size;
if (mvCtrlAttribGet(i, &targetAttrib) != MV_OK) {
mvOsPrintf("mvCtrlAddrWinMapBuild() - mvCtrlAttribGet() failed.\n");
return MV_ERROR;
}
pAddrWinInfo->attrib = targetAttrib.attrib;
pAddrWinInfo->targetId = targetAttrib.targetId;
return MV_OK;
}
}
/* not found */
return MV_NOT_FOUND;
}