Changeset 58172 in vbox for trunk/src/VBox/Devices/EFI/Firmware/OvmfPkg/Library/AcpiTimerLib/AcpiTimerLib.c

Timestamp:

Oct 12, 2015 10:32:18 AM (9 years ago)

Author:

vboxsync

Message:

EFI: Remove AcpiTimerLib from VBoxPkg and merge changes with OvmfPkg AcpiTimerLib

File:

• trunk/src/VBox/Devices/EFI/Firmware/OvmfPkg/Library/AcpiTimerLib/AcpiTimerLib.c (modified) (3 diffs)

trunk/src/VBox/Devices/EFI/Firmware/OvmfPkg/Library/AcpiTimerLib/AcpiTimerLib.c

@@ -25 +25 @@
 // PIIX4 Power Management Base Address
 //
+#ifndef VBOX
 UINT32 mPmba = 0x400;
+#else
+UINT32 mPmba = 0x4000;
+#endif
 
 #define PCI_BAR_IO             0x1
@@ -41 +45 @@
 
 **/
+#ifndef VBOX
 RETURN_STATUS
 EFIAPI
@@ -68 +73 @@
   return RETURN_SUCCESS;
 }
+#else
+RETURN_STATUS
+EFIAPI
+AcpiTimerLibConstructor (
+  VOID
+  )
+{
+  UINT8     u8Device = 7;
+  UINT16    u16VendorID = 0;
+  UINT16    u16DeviceID = 0;
+  u16VendorID = PciRead16(PCI_LIB_ADDRESS(0, u8Device, 0, 0));
+  u16DeviceID = PciRead16(PCI_LIB_ADDRESS(0, u8Device, 0, 2));
+  if (   u16VendorID != 0x8086
+      || u16DeviceID != 0x7113)
+    return RETURN_ABORTED;
+
+  if (PciRead8 (PCI_LIB_ADDRESS (0,u8Device,0,0x80)) & 1) {
+    mPmba = PciRead32 (PCI_LIB_ADDRESS (0, u8Device, 0, 0x40));
+    ASSERT (mPmba & PCI_BAR_IO);
+    DEBUG((DEBUG_INFO, "%a:%d mPmba:%x\n", __FUNCTION__, __LINE__, mPmba));
+    mPmba &= ~PCI_BAR_IO;
+    DEBUG((DEBUG_INFO, "%a:%d mPmba:%x\n", __FUNCTION__, __LINE__, mPmba));
+  } else {
+    PciAndThenOr32 (PCI_LIB_ADDRESS (0,u8Device,0,0x40),
+                    (UINT32) ~0xfc0, mPmba);
+    PciOr8         (PCI_LIB_ADDRESS (0,u8Device,0,0x04), 0x01);
+    DEBUG((DEBUG_INFO, "%a:%d mPmba:%x\n", __FUNCTION__, __LINE__, mPmba));
+  }
+
+  //
+  // ACPI Timer enable is in Bus 0, Device ?, Function 3
+  //
+  PciOr8         (PCI_LIB_ADDRESS (0,u8Device,0,0x80), 0x01);
+  return RETURN_SUCCESS;
+}
+#endif
 
 /**