From da9675a241ab9856377b9bd63504b2d5333b3c7a Mon Sep 17 00:00:00 2001
From: oliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Tue, 27 Sep 2011 16:35:16 +0000
Subject: ArmPkg: Add ARM Architectural Timer support

ARM Architectural Timer support is defined by the ARM Generic Timer Specification.



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12455 6f19259b-4bc3-4df7-8a09-765794883524
---
 ArmPkg/Include/Chipset/ArmV7.h          |   7 ++
 ArmPkg/Include/Chipset/ArmV7ArchTimer.h | 138 ++++++++++++++++++++++++++++++++
 2 files changed, 145 insertions(+)
 create mode 100644 ArmPkg/Include/Chipset/ArmV7ArchTimer.h

(limited to 'ArmPkg/Include/Chipset')

diff --git a/ArmPkg/Include/Chipset/ArmV7.h b/ArmPkg/Include/Chipset/ArmV7.h
index 909686ce36..bb306a5f48 100644
--- a/ArmPkg/Include/Chipset/ArmV7.h
+++ b/ArmPkg/Include/Chipset/ArmV7.h
@@ -17,6 +17,7 @@
 #define __ARM_V7_H__
 
 #include <Chipset/ArmV7Mmu.h>
+#include <Chipset/ArmV7ArchTimer.h>
 
 // Domain Access Control Register
 #define DOMAIN_ACCESS_CONTROL_MASK(a)     (3UL << (2 * (a)))
@@ -80,6 +81,12 @@ ArmWriteTpidrurw (
   UINTN Value
   );
 
+UINTN
+EFIAPI
+ArmIsArchTimerImplemented (
+  VOID
+  );
+
 UINTN
 EFIAPI
 ArmReadIdPfr1 (
diff --git a/ArmPkg/Include/Chipset/ArmV7ArchTimer.h b/ArmPkg/Include/Chipset/ArmV7ArchTimer.h
new file mode 100644
index 0000000000..734c8855ee
--- /dev/null
+++ b/ArmPkg/Include/Chipset/ArmV7ArchTimer.h
@@ -0,0 +1,138 @@
+/** @file
+*
+*  Copyright (c) 2011, ARM Limited. All rights reserved.
+*  
+*  This program and the accompanying materials                          
+*  are licensed and made available under the terms and conditions of the BSD License         
+*  which 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.             
+*
+**/
+
+#ifndef __ARMV7_ARCH_TIMER_H_
+#define __ARMV7_ARCH_TIMER_H_
+
+UINTN
+EFIAPI
+ArmReadCntFrq (
+  VOID
+  );
+
+VOID
+EFIAPI
+ArmWriteCntFrq (
+  UINTN   FreqInHz
+  );
+
+UINT64
+EFIAPI
+ArmReadCntPct (
+  VOID
+  );
+
+UINTN
+EFIAPI
+ArmReadCntkCtl (
+  VOID
+  );
+
+VOID
+EFIAPI
+ArmWriteCntkCtl (
+  UINTN   Val
+  );
+
+UINTN
+EFIAPI
+ArmReadCntpTval (
+  VOID
+  );
+
+VOID
+EFIAPI
+ArmWriteCntpTval (
+  UINTN   Val
+  );
+
+UINTN
+EFIAPI
+ArmReadCntpCtl (
+  VOID
+  );
+
+VOID
+EFIAPI
+ArmWriteCntpCtl (
+  UINTN   Val
+  );
+
+UINTN
+EFIAPI
+ArmReadCntvTval (
+  VOID
+  );
+
+VOID
+EFIAPI
+ArmWriteCntvTval (
+  UINTN   Val
+  );
+
+UINTN
+EFIAPI
+ArmReadCntvCtl (
+  VOID
+  );
+
+VOID
+EFIAPI
+ArmWriteCntvCtl (
+  UINTN   Val
+  );
+
+UINT64
+EFIAPI
+ArmReadCntvCt (
+  VOID
+  );
+
+UINT64
+EFIAPI
+ArmReadCntpCval (
+  VOID
+  );
+
+VOID
+EFIAPI
+ArmWriteCntpCval (
+  UINT64   Val
+  );
+
+UINT64
+EFIAPI
+ArmReadCntvCval (
+  VOID
+  );
+
+VOID
+EFIAPI
+ArmWriteCntvCval (
+  UINT64   Val
+  );
+
+UINT64
+EFIAPI
+ArmReadCntvOff (
+  VOID
+  );
+
+VOID
+EFIAPI
+ArmWriteCntvOff (
+  UINT64   Val
+  );
+
+#endif
-- 
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