added ACPI_TIMER_FREQUENCY definition

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1577 6f19259b-4bc3-4df7-8a09-765794883524
2006-09-20 09:15:14 +00:00 · 2006-09-20 09:15:14 +00:00 · 148ac238cc
parent 34a0c84476
commit 148ac238cc
1 changed files with 18 additions and 13 deletions
--- a/MdePkg/Include/IndustryStandard/Acpi.h
+++ b/MdePkg/Include/IndustryStandard/Acpi.h
@ -55,6 +55,11 @@ typedef struct {
 #define ACPI_ADDRESS_SPACE_TYPE_IO    0x01
 #define ACPI_ADDRESS_SPACE_TYPE_BUS   0x02

+//
+// Power Management Timer frequency is fixed at 3.579545MHz
+//
+#define ACPI_TIMER_FREQUENCY       3579545
+
 //
 // Make sure structures match spec
 //