diff options
| author | oliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-02-28 17:16:58 +0000 |
|---|---|---|
| committer | oliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-02-28 17:16:58 +0000 |
| commit | 65acd8e7b3f2690f3e927e012fbd21f6bcfb17b2 (patch) | |
| tree | 008649d088181774670d2ffe28e15965adaa789c /ArmPlatformPkg/Include/Drivers | |
| parent | f8c9f1c18c7d5630f6b6e633303bc4e8178334f1 (diff) | |
| download | edk2-platforms-65acd8e7b3f2690f3e927e012fbd21f6bcfb17b2.tar.xz | |
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
Diffstat (limited to 'ArmPlatformPkg/Include/Drivers')
| -rw-r--r-- | ArmPlatformPkg/Include/Drivers/ArmTrustzone.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/ArmPlatformPkg/Include/Drivers/ArmTrustzone.h b/ArmPlatformPkg/Include/Drivers/ArmTrustzone.h new file mode 100644 index 0000000000..da920bdfb5 --- /dev/null +++ b/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
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