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 | |
| 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')
5 files changed, 230 insertions, 3 deletions
diff --git a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-CTA9x4.dsc b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-CTA9x4.dsc index d2c13a9ff7..63d15e84b3 100644 --- a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-CTA9x4.dsc +++ b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-CTA9x4.dsc @@ -37,7 +37,7 @@ ArmLib|ArmPkg/Library/ArmLib/ArmV7/ArmV7Lib.inf
ArmCpuLib|ArmPkg/Drivers/ArmCpuLib/ArmCortexA9Lib/ArmCortexA9Lib.inf
ArmPlatformLib|ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/ArmVExpressLib.inf
- ArmTrustZoneLib|ArmPkg/Library/ArmTrustZoneLib/ArmTrustZoneLib.inf
+ ArmTrustZoneLib|ArmPlatformPkg/Drivers/ArmTrustZone/ArmTrustZone.inf
# ARM PL310 L2 Cache Driver
L2X0CacheLib|ArmPlatformPkg/Drivers/PL310L2Cache/PL310L2CacheSec.inf
diff --git a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Sec.c b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Sec.c index 58a8f7e9da..0cf07a3caf 100644 --- a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Sec.c +++ b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Sec.c @@ -1,6 +1,6 @@ /** @file * -* Copyright (c) 2011, ARM Limited. All rights reserved. +* 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 @@ -13,12 +13,12 @@ **/ #include <Library/ArmPlatformLib.h> -#include <Library/ArmTrustZoneLib.h> #include <Library/ArmPlatformSysConfigLib.h> #include <Library/DebugLib.h> #include <Library/IoLib.h> #include <Library/PcdLib.h> +#include <Drivers/ArmTrustzone.h> #include <Drivers/PL310L2Cache.h> #include <ArmPlatform.h> diff --git a/ArmPlatformPkg/Drivers/ArmTrustZone/ArmTrustZone.c b/ArmPlatformPkg/Drivers/ArmTrustZone/ArmTrustZone.c new file mode 100644 index 0000000000..26d4004f69 --- /dev/null +++ b/ArmPlatformPkg/Drivers/ArmTrustZone/ArmTrustZone.c @@ -0,0 +1,106 @@ +/** @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.
+*
+**/
+
+#include <Library/BaseLib.h>
+#include <Library/IoLib.h>
+
+#include <Drivers/ArmTrustzone.h>
+
+#define TZPC_DECPROT0_STATUS_REG 0x800
+#define TZPC_DECPROT0_SET_REG 0x804
+#define TZPC_DECPROT0_CLEAR_REG 0x808
+
+#define TZASC_CONFIGURATION_REG 0x000
+#define TZASC_REGIONS_REG 0x100
+#define TZASC_REGION0_LOW_ADDRESS_REG 0x100
+#define TZASC_REGION0_HIGH_ADDRESS_REG 0x104
+#define TZASC_REGION0_ATTRIBUTES 0x108
+
+/**
+ FIXME: Need documentation
+**/
+EFI_STATUS
+TZPCSetDecProtBits (
+ IN UINTN TzpcBase,
+ IN UINTN TzpcId,
+ IN UINTN Bits
+ )
+{
+ if (TzpcId > TZPC_DECPROT_MAX) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ MmioWrite32 ((UINTN)TzpcBase + TZPC_DECPROT0_SET_REG + (TzpcId * 0x0C), Bits);
+
+ return EFI_SUCCESS;
+}
+
+/**
+ FIXME: Need documentation
+**/
+EFI_STATUS
+TZPCClearDecProtBits (
+ IN UINTN TzpcBase,
+ IN UINTN TzpcId,
+ IN UINTN Bits
+ )
+{
+ if (TzpcId> TZPC_DECPROT_MAX) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ MmioWrite32 ((UINTN)TzpcBase + TZPC_DECPROT0_CLEAR_REG + (TzpcId * 0x0C), Bits);
+
+ return EFI_SUCCESS;
+}
+
+/**
+ FIXME: Need documentation
+**/
+UINT32
+TZASCGetNumRegions (
+ IN UINTN TzascBase
+ )
+{
+ return (MmioRead32 ((UINTN)TzascBase + TZASC_CONFIGURATION_REG) & 0xF);
+}
+
+/**
+ 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
+ )
+{
+ UINT32* Region;
+
+ if (RegionId > TZASCGetNumRegions(TzascBase)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Region = (UINT32*)((UINTN)TzascBase + TZASC_REGIONS_REG + (RegionId * 0x10));
+
+ MmioWrite32((UINTN)(Region), LowAddress&0xFFFF8000);
+ MmioWrite32((UINTN)(Region+1), HighAddress);
+ MmioWrite32((UINTN)(Region+2), ((Security & 0xF) <<28) | ((Size & 0x3F) << 1) | (Enabled & 0x1));
+
+ return EFI_SUCCESS;
+}
diff --git a/ArmPlatformPkg/Drivers/ArmTrustZone/ArmTrustZone.inf b/ArmPlatformPkg/Drivers/ArmTrustZone/ArmTrustZone.inf new file mode 100644 index 0000000000..176224bf46 --- /dev/null +++ b/ArmPlatformPkg/Drivers/ArmTrustZone/ArmTrustZone.inf @@ -0,0 +1,33 @@ +#/* @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.
+#
+#*/
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = ArmTrustZoneLib
+ FILE_GUID = 5962d040-8b8a-11df-9a71-0002a5d5c51b
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = ArmTrustZoneLib
+
+
+[Sources.common]
+ ArmTrustZone.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ ArmPkg/ArmPkg.dec
+ ArmPlatformPkg/ArmPlatformPkg.dec
+
+[LibraryClasses]
+ BaseLib
+ IoLib
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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