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authoroliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524>2012-09-28 10:46:28 +0000
committeroliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524>2012-09-28 10:46:28 +0000
commit0657689b29e4d07cc26619e8eaac9cafb5a6fed4 (patch)
treea7d365a471070053bd54c6862cf76e31a1e5660a
parent695df8ba90dc01b6a4cd7d79e6d1a40e517186a6 (diff)
downloadedk2-platforms-0657689b29e4d07cc26619e8eaac9cafb5a6fed4.tar.xz
ArmPlatformPkg/ArmPlatformLib.h: Introduced ArmPlatformGetCorePosition()
The MP ID Register is not enough to know the position of the core in the SoC. We could have SoC with multi cluster of CPUs that do not contain the same number of CPUs. This function should return the position of the CPU in the SoC. Signed-off-by: Olivier Martin <olivier.martin@arm.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13770 6f19259b-4bc3-4df7-8a09-765794883524
-rw-r--r--ArmPlatformPkg/Include/Library/ArmPlatformLib.h5
-rwxr-xr-xBeagleBoardPkg/Library/BeagleBoardLib/BeagleBoard.c9
2 files changed, 14 insertions, 0 deletions
diff --git a/ArmPlatformPkg/Include/Library/ArmPlatformLib.h b/ArmPlatformPkg/Include/Library/ArmPlatformLib.h
index 3d7e1bc248..9f2de60a4a 100644
--- a/ArmPlatformPkg/Include/Library/ArmPlatformLib.h
+++ b/ArmPlatformPkg/Include/Library/ArmPlatformLib.h
@@ -41,6 +41,11 @@ typedef struct {
UINT64 NumberOfBytes;
} ARM_SYSTEM_MEMORY_REGION_DESCRIPTOR;
+UINTN
+ArmPlatformGetCorePosition (
+ IN UINTN MpId
+ );
+
/**
Return the current Boot Mode
diff --git a/BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoard.c b/BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoard.c
index 8f2ab557be..ff4c556872 100755
--- a/BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoard.c
+++ b/BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoard.c
@@ -124,3 +124,12 @@ ArmPlatformGetPlatformPpiList (
*PpiListSize = 0;
*PpiList = NULL;
}
+
+UINTN
+ArmPlatformGetCorePosition (
+ IN UINTN MpId
+ )
+{
+ return 1;
+}
+