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/** @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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