Add generic HPET Timer DXE Driver and support libraries

[mirror_edk2.git] / PcAtChipsetPkg / PcAtChipsetPkg.dec

diff --git a/PcAtChipsetPkg/PcAtChipsetPkg.dec b/PcAtChipsetPkg/PcAtChipsetPkg.dec
index 93beb0d76c34099a14c77a8fdf21843a503f8413..6c6e714f932a38da771a190487aa0749d0c730ca 100644 (file)
--- a/PcAtChipsetPkg/PcAtChipsetPkg.dec
+++ b/PcAtChipsetPkg/PcAtChipsetPkg.dec
@@ -22,9 +22,22 @@
   PACKAGE_GUID                   = B728689A-52D3-4b8c-AE89-2CE5514CC6DC\r
   PACKAGE_VERSION                = 0.1\r
 \r
+[Includes]\r
+  Include\r
+\r
+[LibraryClasses]\r
+  ##  @libraryclass  Provides functions to manage I/O APIC Redirection Table Entries.\r
+  #\r
+  IoApicLib|Include/Library/IoApicLib.h\r
+  \r
 [Guids]\r
   gPcAtChipsetPkgTokenSpaceGuid = { 0x326ae723, 0xae32, 0x4589, { 0x98, 0xb8, 0xca, 0xc2, 0x3c, 0xdc, 0xc1, 0xb1 } }\r
 \r
+[PcdsFeatureFlag]\r
+  ## If TRUE, then the HPET Timer will be configured to use MSI interrupts if the HPET timer supports them.\r
+  #  If FALSE, then the HPET Timer will be configued to use I/O APIC interrupts.\r
+  gPcAtChipsetPkgTokenSpaceGuid.PcdHpetMsiEnable|TRUE|BOOLEAN|0x00001000\r
+  \r
 [PcdsFixedAtBuild, PcdsDynamic, PcdsDynamicEx, PcdsPatchableInModule]\r
   ## Pcd8259LegacyModeMask defines the default mask value for platform. This value is determined\r
   #  1) If platform only support pure UEFI, value should be set to 0xFFFF or 0xFFFE;\r
@@ -63,3 +76,17 @@
 \r
   ## This PCD specifies whether we need enable IsaAcpiFloppyB device.\r
   gPcAtChipsetPkgTokenSpaceGuid.PcdIsaAcpiFloppyBEnable|TRUE|BOOLEAN|0x00000008\r
+\r
+  ## This PCD specifies the base address of the HPET timer.\r
+  gPcAtChipsetPkgTokenSpaceGuid.PcdHpetBaseAddress|0xFED00000|UINT32|0x00000009\r
+\r
+  ## This PCD specifies the Local APIC Interrupt Vector for the HPET Timer.\r
+  gPcAtChipsetPkgTokenSpaceGuid.PcdHpetLocalApicVector|0x40|UINT8|0x0000000A\r
+\r
+  ## This PCD specifies the defaut period of the HPET Timer in 100 ns units.\r
+  #  The default value of 100000 100 ns units is the same as 10 ms.\r
+  gPcAtChipsetPkgTokenSpaceGuid.PcdHpetDefaultTimerPeriod|100000|UINT64|0x0000000B\r
+  \r
+  ## This PCD specifies the base address of the HPET timer.\r
+  gPcAtChipsetPkgTokenSpaceGuid.PcdIoApicBaseAddress|0xFEC00000|UINT32|0x0000000C\r
+  
\ No newline at end of file