summaryrefslogtreecommitdiff
path: root/Vlv2DeviceRefCodePkg/AcpiTablesPCAT/Hpet/Hpet.aslc
diff options
context:
space:
mode:
Diffstat (limited to 'Vlv2DeviceRefCodePkg/AcpiTablesPCAT/Hpet/Hpet.aslc')
-rw-r--r--Vlv2DeviceRefCodePkg/AcpiTablesPCAT/Hpet/Hpet.aslc69
1 files changed, 69 insertions, 0 deletions
diff --git a/Vlv2DeviceRefCodePkg/AcpiTablesPCAT/Hpet/Hpet.aslc b/Vlv2DeviceRefCodePkg/AcpiTablesPCAT/Hpet/Hpet.aslc
new file mode 100644
index 0000000000..d3988cadf5
--- /dev/null
+++ b/Vlv2DeviceRefCodePkg/AcpiTablesPCAT/Hpet/Hpet.aslc
@@ -0,0 +1,69 @@
+/*++
+
+Copyright (c) 1999 - 2014, Intel Corporation. All rights reserved
+
+ This program and the accompanying materials are licensed and made available under
+ the terms and conditions of the BSD License that accompanies this distribution.
+ The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php.
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+
+
+Module Name:
+
+ Hpet.c
+
+Abstract:
+
+ This file contains a structure definition for the ACPI HPET Table.
+--*/
+
+//
+// Statements that include other files
+//
+#ifdef ECP_FLAG
+#include <Tiano.h>
+#endif
+#include <Hpet.h>
+#include "AcpiTablePlatform.h"
+
+// Hpet Table
+EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_HEADER HPET = {
+ {
+ EFI_ACPI_3_0_HIGH_PRECISION_EVENT_TIMER_TABLE_SIGNATURE,
+ sizeof (EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_HEADER),
+ EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_REVISION,
+ 0, // to make sum of entire table == 0
+ EFI_ACPI_OEM_ID, // OEMID is a 6 bytes long field
+ EFI_ACPI_OEM_TABLE_ID, // OEM table identification(8 bytes long)
+ EFI_ACPI_OEM_REVISION, // OEM revision
+ EFI_ACPI_CREATOR_ID, // ASL compiler vendor ID
+ EFI_ACPI_CREATOR_REVISION // ASL compiler revision number
+ },
+ 0x0, // EventTimerBlockId
+ {
+ 0x00, // Address_Space_ID = System Memory
+ 0x40, // Register_Bit_Width = 32 bits, mentioned about write failures when in 64bit in SCU HAS
+ 0x00, // Register_Bit_offset
+ 0x00, // Dword access
+ HPET_BASE_ADDRESS, // Base addresse of HPET
+ },
+ 0x0, // Only HPET's _UID in Namespace
+ MAIN_COUNTER_MIN_PERIODIC_CLOCK_TICKS,
+ 0x0
+};
+
+VOID*
+ReferenceAcpiTable (
+ VOID
+ )
+{
+ //
+ // Reference the table being generated to prevent the optimizer from
+ // removing the data structure from the executable
+ //
+ return (VOID*)&HPET;
+}