ArmPlatformPkg: Moved 'ArmTrustZoneLib' from ArmPkg/Library to ArmPlatformPkg/Drivers

This library is really the driver for the ARM Trustzone controllers (TZPC and TZASC).



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13054 6f19259b-4bc3-4df7-8a09-765794883524

ArmPlatformPkg/Include/Drivers/ArmTrustzone.h

@@ -0,0 +1,88 @@
+/** @file
+*
+*  Copyright (c) 2011-2012, 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 __ARM_TRUSTZONE_H__
+#define __ARM_TRUSTZONE_H__
+
+#include <Uefi.h>
+
+// Setup TZ Protection Controller
+#define TZPC_DECPROT_0  0
+#define TZPC_DECPROT_1  1
+#define TZPC_DECPROT_2  2
+#define TZPC_DECPROT_MAX  2
+
+/**
+    FIXME: Need documentation
+**/
+EFI_STATUS
+TZPCSetDecProtBits (
+  IN  UINTN TzpcBase,
+  IN  UINTN TzpcId,
+  IN  UINTN Bits
+  );
+
+/**
+    FIXME: Need documentation
+**/
+EFI_STATUS
+TZPCClearDecProtBits (
+  IN  UINTN TzpcBase,
+  IN  UINTN TzpcId,
+  IN  UINTN Bits
+  );
+
+// Setup TZ Address Space Controller
+#define TZASC_REGION_ENABLED        1
+#define TZASC_REGION_DISABLED       0
+#define TZASC_REGION_SIZE_32KB      0xE
+#define TZASC_REGION_SIZE_64KB      0xF
+#define TZASC_REGION_SIZE_128KB     0x10
+#define TZASC_REGION_SIZE_256KB     0x11
+#define TZASC_REGION_SIZE_512KB     0x12
+#define TZASC_REGION_SIZE_1MB       0x13
+#define TZASC_REGION_SIZE_2MB       0x14
+#define TZASC_REGION_SIZE_4MB       0x15
+#define TZASC_REGION_SIZE_8MB       0x16
+#define TZASC_REGION_SIZE_16MB      0x17
+#define TZASC_REGION_SIZE_32MB      0x18
+#define TZASC_REGION_SIZE_64MB      0x19
+#define TZASC_REGION_SIZE_128MB     0x1A
+#define TZASC_REGION_SIZE_256MB     0x1B
+#define TZASC_REGION_SIZE_512MB     0x1C
+#define TZASC_REGION_SIZE_1GB       0x1D
+#define TZASC_REGION_SIZE_2GB       0x1E
+#define TZASC_REGION_SIZE_4GB       0x1F
+#define TZASC_REGION_SECURITY_SR    (1 << 3)
+#define TZASC_REGION_SECURITY_SW    (1 << 2)
+#define TZASC_REGION_SECURITY_SRW   (TZASC_REGION_SECURITY_SR|TZASC_REGION_SECURITY_SW)
+#define TZASC_REGION_SECURITY_NSR   (1 << 1)
+#define TZASC_REGION_SECURITY_NSW   1
+#define TZASC_REGION_SECURITY_NSRW  (TZASC_REGION_SECURITY_NSR|TZASC_REGION_SECURITY_NSW)
+
+/**
+    FIXME: Need documentation
+**/
+EFI_STATUS
+TZASCSetRegion (
+  IN  INTN  TzascBase,
+  IN  UINTN RegionId,
+  IN  UINTN Enabled,
+  IN  UINTN LowAddress,
+  IN  UINTN HighAddress,
+  IN  UINTN Size,
+  IN  UINTN Security
+  );
+
+#endif