diff options
| author | jchen20 <jchen20@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-09-13 02:22:42 +0000 |
|---|---|---|
| committer | jchen20 <jchen20@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-09-13 02:22:42 +0000 |
| commit | 905dd497d2d481c50ff4856f06322309956fb068 (patch) | |
| tree | a4c7f28a1291cd0b4a4713e10cb69d2bb3632dec /EdkModulePkg | |
| parent | 93f5dd0a0e476c3eca7bd2f8375733b49e5f1b66 (diff) | |
| download | edk2-905dd497d2d481c50ff4856f06322309956fb068.tar.gz edk2-905dd497d2d481c50ff4856f06322309956fb068.tar.bz2 edk2-905dd497d2d481c50ff4856f06322309956fb068.zip | |
Modify for enabling native VISTA
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1520 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'EdkModulePkg')
| -rw-r--r-- | EdkModulePkg/Bus/Pci/IdeBus/Dxe/ide.c | 97 | ||||
| -rw-r--r-- | EdkModulePkg/Bus/Pci/IdeBus/Dxe/ide.h | 15 | ||||
| -rw-r--r-- | EdkModulePkg/Bus/Pci/IdeBus/Dxe/idebus.c | 14 |
3 files changed, 126 insertions, 0 deletions
diff --git a/EdkModulePkg/Bus/Pci/IdeBus/Dxe/ide.c b/EdkModulePkg/Bus/Pci/IdeBus/Dxe/ide.c index 5a65995c26..80ee854e1d 100644 --- a/EdkModulePkg/Bus/Pci/IdeBus/Dxe/ide.c +++ b/EdkModulePkg/Bus/Pci/IdeBus/Dxe/ide.c @@ -1769,3 +1769,100 @@ EnableInterrupt ( return EFI_SUCCESS;
}
+/**
+ Clear pending IDE interrupt before OS loader/kernel take control of the IDE device.
+
+ @param[in] Event Pointer to this event
+ @param[in] Context Event hanlder private data
+
+ @retval EFI_SUCCESS - Interrupt cleared
+
+**/
+EFI_STATUS
+ClearInterrupt (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
+ EFI_STATUS Status;
+ UINT64 IoPortForBmis;
+ UINT8 RegisterValue;
+ IDE_BLK_IO_DEV *IdeDev;
+
+ //
+ // Get our context
+ //
+ IdeDev = (IDE_BLK_IO_DEV *) Context;
+
+ //
+ // Obtain IDE IO port registers' base addresses
+ //
+ Status = ReassignIdeResources (IdeDev);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Check whether interrupt is pending
+ //
+
+ //
+ // Reset IDE device to force it de-assert interrupt pin
+ // Note: this will reset all devices on this IDE channel
+ //
+ AtaSoftReset (IdeDev);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Get base address of IDE Bus Master Status Regsiter
+ //
+ if (IdePrimary == IdeDev->Channel) {
+ IoPortForBmis = IdeDev->IoPort->BusMasterBaseAddr + BMISP_OFFSET;
+ } else {
+ if (IdeSecondary == IdeDev->Channel) {
+ IoPortForBmis = IdeDev->IoPort->BusMasterBaseAddr + BMISS_OFFSET;
+ } else {
+ return EFI_UNSUPPORTED;
+ }
+ }
+ //
+ // Read BMIS register and clear ERROR and INTR bit
+ //
+ IdeDev->PciIo->Io.Read (
+ IdeDev->PciIo,
+ EfiPciIoWidthUint8,
+ EFI_PCI_IO_PASS_THROUGH_BAR,
+ IoPortForBmis,
+ 1,
+ &RegisterValue
+ );
+
+ RegisterValue |= (BMIS_INTERRUPT | BMIS_ERROR);
+
+ IdeDev->PciIo->Io.Write (
+ IdeDev->PciIo,
+ EfiPciIoWidthUint8,
+ EFI_PCI_IO_PASS_THROUGH_BAR,
+ IoPortForBmis,
+ 1,
+ &RegisterValue
+ );
+
+ //
+ // Select the other device on this channel to ensure this device to release the interrupt pin
+ //
+ if (IdeDev->Device == 0) {
+ RegisterValue = (1 << 4) | 0xe0;
+ } else {
+ RegisterValue = (0 << 4) | 0xe0;
+ }
+ IDEWritePortB (
+ IdeDev->PciIo,
+ IdeDev->IoPort->Head,
+ RegisterValue
+ );
+
+ return EFI_SUCCESS;
+}
diff --git a/EdkModulePkg/Bus/Pci/IdeBus/Dxe/ide.h b/EdkModulePkg/Bus/Pci/IdeBus/Dxe/ide.h index 177e842714..b3e54ef372 100644 --- a/EdkModulePkg/Bus/Pci/IdeBus/Dxe/ide.h +++ b/EdkModulePkg/Bus/Pci/IdeBus/Dxe/ide.h @@ -1304,5 +1304,20 @@ EnableInterrupt ( IN IDE_BLK_IO_DEV *IdeDev
)
;
+/**
+ Clear pending IDE interrupt before OS loader/kernel take control of the IDE device.
+
+ @param[in] Event Pointer to this event
+ @param[in] Context Event hanlder private data
+
+ @retval EFI_SUCCESS - Interrupt cleared
+
+**/
+EFI_STATUS
+ClearInterrupt (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+;
#endif
diff --git a/EdkModulePkg/Bus/Pci/IdeBus/Dxe/idebus.c b/EdkModulePkg/Bus/Pci/IdeBus/Dxe/idebus.c index e5157dab70..45baa9ec87 100644 --- a/EdkModulePkg/Bus/Pci/IdeBus/Dxe/idebus.c +++ b/EdkModulePkg/Bus/Pci/IdeBus/Dxe/idebus.c @@ -183,6 +183,7 @@ IDEBusDriverBindingStart ( UINTN DataSize;
UINT32 Attributes;
IDE_BUS_DRIVER_PRIVATE_DATA *IdeBusDriverPrivateData;
+ EFI_EVENT Event;
//
// Local variables declaration for IdeControllerInit support
@@ -696,6 +697,19 @@ IDEBusDriverBindingStart ( (EFI_IO_BUS_ATA_ATAPI | EFI_P_PC_ENABLE),
IdeBlkIoDevicePtr->DevicePath
);
+
+ //
+ // Create event to clear pending IDE interrupt
+ //
+ Status = gBS->CreateEvent (
+ EFI_EVENT_SIGNAL_EXIT_BOOT_SERVICES,
+ EFI_TPL_NOTIFY,
+ ClearInterrupt,
+ IdeBlkIoDevicePtr,
+ &Event
+ );
+
+
//
// end of 2nd inner loop ----
//
|