int i,j;
PCIDeviceInfo *info;
- // If this is the first time we have been called, enumerate all
- // devices on the PCI bus.
+ /* If this is the first time we have been called, enumerate all */
+ /* devices on the PCI bus. */
if (NumPCI == -1) {
- if ((NumPCI = PCI_getNumDevices()) == 0)
- return -1;
- PCI = malloc(NumPCI * sizeof(PCI[0]));
- BridgeIndex = malloc(NumPCI * sizeof(BridgeIndex[0]));
- DeviceIndex = malloc(NumPCI * sizeof(DeviceIndex[0]));
- if (!PCI || !BridgeIndex || !DeviceIndex)
- return -1;
- for (i = 0; i < NumPCI; i++)
- PCI[i].dwSize = sizeof(PCI[i]);
- if (PCI_enumerate(PCI) == 0)
- return -1;
+ if ((NumPCI = PCI_getNumDevices()) == 0)
+ return -1;
+ PCI = malloc(NumPCI * sizeof(PCI[0]));
+ BridgeIndex = malloc(NumPCI * sizeof(BridgeIndex[0]));
+ DeviceIndex = malloc(NumPCI * sizeof(DeviceIndex[0]));
+ if (!PCI || !BridgeIndex || !DeviceIndex)
+ return -1;
+ for (i = 0; i < NumPCI; i++)
+ PCI[i].dwSize = sizeof(PCI[i]);
+ if (PCI_enumerate(PCI) == 0)
+ return -1;
- // Build a list of all PCI bridge devices
- for (i = 0,NumBridges = 0,BridgeIndex[0] = -1; i < NumPCI; i++) {
- if (PCI[i].BaseClass == PCI_BRIDGE_CLASS)
- BridgeIndex[NumBridges++] = i;
- }
+ /* Build a list of all PCI bridge devices */
+ for (i = 0,NumBridges = 0,BridgeIndex[0] = -1; i < NumPCI; i++) {
+ if (PCI[i].BaseClass == PCI_BRIDGE_CLASS)
+ BridgeIndex[NumBridges++] = i;
+ }
- // Now build a list of all display class devices
- for (i = 0,NumDevices = 1,DeviceIndex[0] = -1; i < NumPCI; i++) {
- if (PCI_IS_DISPLAY_CLASS(&PCI[i])) {
- if ((PCI[i].Command & 0x3) == 0x3)
- DeviceIndex[0] = i;
- else
- DeviceIndex[NumDevices++] = i;
- if (PCI[i].slot.p.Bus != 0) {
- // This device is on a different bus than the primary
- // PCI bus, so it is probably an AGP device. Find the
- // AGP bus device that controls that bus so we can
- // control it.
- for (j = 0; j < NumBridges; j++) {
- info = (PCIDeviceInfo*)&PCI[BridgeIndex[j]];
- if (info->u.type1.SecondayBusNumber == PCI[i].slot.p.Bus) {
- AGPBridge = info;
- break;
- }
- }
- }
- }
- }
- }
+ /* Now build a list of all display class devices */
+ for (i = 0,NumDevices = 1,DeviceIndex[0] = -1; i < NumPCI; i++) {
+ if (PCI_IS_DISPLAY_CLASS(&PCI[i])) {
+ if ((PCI[i].Command & 0x3) == 0x3)
+ DeviceIndex[0] = i;
+ else
+ DeviceIndex[NumDevices++] = i;
+ if (PCI[i].slot.p.Bus != 0) {
+ /* This device is on a different bus than the primary */
+ /* PCI bus, so it is probably an AGP device. Find the */
+ /* AGP bus device that controls that bus so we can */
+ /* control it. */
+ for (j = 0; j < NumBridges; j++) {
+ info = (PCIDeviceInfo*)&PCI[BridgeIndex[j]];
+ if (info->u.type1.SecondayBusNumber == PCI[i].slot.p.Bus) {
+ AGPBridge = info;
+ break;
+ }
+ }
+ }
+ }
+ }
+ }
return NumDevices;
}
printf("\n");
printf("DeviceID SubSystem Base10h (length ) Base14h (length )\n");
for (index = 0; index < NumDevices; index++) {
- i = DeviceIndex[index];
- printf("%04X:%04X %04X:%04X %08lX (%6ld KB) %08lX (%6ld KB)\n",
- PCI[i].VendorID,
- PCI[i].DeviceID,
- PCI[i].u.type0.SubSystemVendorID,
- PCI[i].u.type0.SubSystemID,
- PCI[i].u.type0.BaseAddress10,
- PCI[i].u.type0.BaseAddress10Len / 1024,
- PCI[i].u.type0.BaseAddress14,
- PCI[i].u.type0.BaseAddress14Len / 1024);
- }
+ i = DeviceIndex[index];
+ printf("%04X:%04X %04X:%04X %08lX (%6ld KB) %08lX (%6ld KB)\n",
+ PCI[i].VendorID,
+ PCI[i].DeviceID,
+ PCI[i].u.type0.SubSystemVendorID,
+ PCI[i].u.type0.SubSystemID,
+ PCI[i].u.type0.BaseAddress10,
+ PCI[i].u.type0.BaseAddress10Len / 1024,
+ PCI[i].u.type0.BaseAddress14,
+ PCI[i].u.type0.BaseAddress14Len / 1024);
+ }
printf("\n");
}
uint type)
{
static char *names[] = {
- "UNCACHABLE",
- "WRCOMB",
- "UNKNOWN",
- "UNKNOWN",
- "WRTHROUGH",
- "WRPROT",
- "WRBACK",
- };
+ "UNCACHABLE",
+ "WRCOMB",
+ "UNKNOWN",
+ "UNKNOWN",
+ "WRTHROUGH",
+ "WRPROT",
+ "WRBACK",
+ };
if (type <= PM_MTRR_MAX)
- return names[type];
+ return names[type];
return "UNKNOWN";
}
int err)
{
if (err == PM_MTRR_ERR_OK)
- return;
+ return;
switch (err) {
- case PM_MTRR_NOT_SUPPORTED:
- printf("Failed: MTRR is not supported by host CPU\n");
- break;
- case PM_MTRR_ERR_PARAMS:
- printf("Failed: Invalid parameters passed to PM_enableWriteCombined!\n");
- break;
- case PM_MTRR_ERR_NOT_4KB_ALIGNED:
- printf("Failed: Address is not 4Kb aligned!\n");
- break;
- case PM_MTRR_ERR_BELOW_1MB:
- printf("Failed: Addresses below 1Mb cannot be write combined!\n");
- break;
- case PM_MTRR_ERR_NOT_ALIGNED:
- printf("Failed: Address is not correctly aligned for processor!\n");
- break;
- case PM_MTRR_ERR_OVERLAP:
- printf("Failed: Address overlaps an existing region!\n");
- break;
- case PM_MTRR_ERR_TYPE_MISMATCH:
- printf("Failed: Adress is contained with existing region, but type is different!\n");
- break;
- case PM_MTRR_ERR_NONE_FREE:
- printf("Failed: Out of MTRR registers!\n");
- break;
- case PM_MTRR_ERR_NOWRCOMB:
- printf("Failed: This processor does not support write combining!\n");
- break;
- case PM_MTRR_ERR_NO_OS_SUPPORT:
- printf("Failed: MTRR is not supported by host OS\n");
- break;
- default:
- printf("Failed: UNKNOWN ERROR!\n");
- break;
- }
+ case PM_MTRR_NOT_SUPPORTED:
+ printf("Failed: MTRR is not supported by host CPU\n");
+ break;
+ case PM_MTRR_ERR_PARAMS:
+ printf("Failed: Invalid parameters passed to PM_enableWriteCombined!\n");
+ break;
+ case PM_MTRR_ERR_NOT_4KB_ALIGNED:
+ printf("Failed: Address is not 4Kb aligned!\n");
+ break;
+ case PM_MTRR_ERR_BELOW_1MB:
+ printf("Failed: Addresses below 1Mb cannot be write combined!\n");
+ break;
+ case PM_MTRR_ERR_NOT_ALIGNED:
+ printf("Failed: Address is not correctly aligned for processor!\n");
+ break;
+ case PM_MTRR_ERR_OVERLAP:
+ printf("Failed: Address overlaps an existing region!\n");
+ break;
+ case PM_MTRR_ERR_TYPE_MISMATCH:
+ printf("Failed: Adress is contained with existing region, but type is different!\n");
+ break;
+ case PM_MTRR_ERR_NONE_FREE:
+ printf("Failed: Out of MTRR registers!\n");
+ break;
+ case PM_MTRR_ERR_NOWRCOMB:
+ printf("Failed: This processor does not support write combining!\n");
+ break;
+ case PM_MTRR_ERR_NO_OS_SUPPORT:
+ printf("Failed: MTRR is not supported by host OS\n");
+ break;
+ default:
+ printf("Failed: UNKNOWN ERROR!\n");
+ break;
+ }
exit(-1);
}
int i,index;
for (index = 0; index < NumDevices; index++) {
- i = DeviceIndex[index];
- if (PCI[i].u.type0.BaseAddress10 & 0x8) {
- LogMTRRError(PM_enableWriteCombine(
- PCI[i].u.type0.BaseAddress10 & 0xFFFFFFF0,
- PCI[i].u.type0.BaseAddress10Len,
- PM_MTRR_WRCOMB));
- }
- if (PCI[i].u.type0.BaseAddress14 & 0x8) {
- LogMTRRError(PM_enableWriteCombine(
- PCI[i].u.type0.BaseAddress14 & 0xFFFFFFF0,
- PCI[i].u.type0.BaseAddress14Len,
- PM_MTRR_WRCOMB));
- }
- }
+ i = DeviceIndex[index];
+ if (PCI[i].u.type0.BaseAddress10 & 0x8) {
+ LogMTRRError(PM_enableWriteCombine(
+ PCI[i].u.type0.BaseAddress10 & 0xFFFFFFF0,
+ PCI[i].u.type0.BaseAddress10Len,
+ PM_MTRR_WRCOMB));
+ }
+ if (PCI[i].u.type0.BaseAddress14 & 0x8) {
+ LogMTRRError(PM_enableWriteCombine(
+ PCI[i].u.type0.BaseAddress14 & 0xFFFFFFF0,
+ PCI[i].u.type0.BaseAddress14Len,
+ PM_MTRR_WRCOMB));
+ }
+ }
printf("\n");
ShowDisplayDevices();
ShowWriteCombine();
int i,index;
for (index = 0; index < NumDevices; index++) {
- i = DeviceIndex[index];
- if (PCI[i].u.type0.BaseAddress10 & 0x8) {
- LogMTRRError(PM_enableWriteCombine(
- PCI[i].u.type0.BaseAddress10 & 0xFFFFFFF0,
- PCI[i].u.type0.BaseAddress10Len,
- PM_MTRR_UNCACHABLE));
- }
- if (PCI[i].u.type0.BaseAddress14 & 0x8) {
- LogMTRRError(PM_enableWriteCombine(
- PCI[i].u.type0.BaseAddress14 & 0xFFFFFFF0,
- PCI[i].u.type0.BaseAddress14Len,
- PM_MTRR_UNCACHABLE));
- }
- }
+ i = DeviceIndex[index];
+ if (PCI[i].u.type0.BaseAddress10 & 0x8) {
+ LogMTRRError(PM_enableWriteCombine(
+ PCI[i].u.type0.BaseAddress10 & 0xFFFFFFF0,
+ PCI[i].u.type0.BaseAddress10Len,
+ PM_MTRR_UNCACHABLE));
+ }
+ if (PCI[i].u.type0.BaseAddress14 & 0x8) {
+ LogMTRRError(PM_enableWriteCombine(
+ PCI[i].u.type0.BaseAddress14 & 0xFFFFFFF0,
+ PCI[i].u.type0.BaseAddress14Len,
+ PM_MTRR_UNCACHABLE));
+ }
+ }
printf("\n");
ShowDisplayDevices();
ShowWriteCombine();
{
PM_init();
if (PCI_enumerateDevices() < 1) {
- printf("No PCI display devices found!\n");
- return -1;
- }
+ printf("No PCI display devices found!\n");
+ return -1;
+ }
if (argc < 2) {
- printf("usage: uswc [-show -on -off]\n\n");
- ShowDisplayDevices();
- return -1;
- }
+ printf("usage: uswc [-show -on -off]\n\n");
+ ShowDisplayDevices();
+ return -1;
+ }
if (stricmp(argv[1],"-show") == 0)
- ShowWriteCombine();
+ ShowWriteCombine();
else if (stricmp(argv[1],"-on") == 0)
- EnableWriteCombine();
+ EnableWriteCombine();
else if (stricmp(argv[1],"-off") == 0)
- DisableWriteCombine();
+ DisableWriteCombine();
return 0;
}
projects / karo-tx-uboot.git / blobdiff