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ArmPlatformPkg: remove unused ArmTrustZone driver 

This driver is no longer used anywhere so remove it.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
This commit is contained in:
Ard Biesheuvel 2017-11-15 14:41:26 +00:00
parent cbfe0ee492
commit 134f669b2a
3 changed files with 0 additions and 251 deletions
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113
ArmPlatformPkg/Drivers/ArmTrustZone/ArmTrustZone.c
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@ -1,113 +0,0 @@
/** @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,
IN UINTN SubregionDisableMask
)
{
UINT32* Region;
UINT32 RegionAttributes;
if (RegionId > TZASCGetNumRegions(TzascBase)) {
return EFI_INVALID_PARAMETER;
}
RegionAttributes = TZASC_REGION_ATTR_SECURITY(Security) |
TZASC_REGION_ATTR_SUBREG_DISABLE(SubregionDisableMask) |
TZASC_REGION_ATTR_SIZE(Size) |
TZASC_REGION_ATTR_ENABLE(Enabled);
Region = (UINT32*)((UINTN)TzascBase + TZASC_REGIONS_REG + (RegionId * 0x10));
MmioWrite32((UINTN)(Region), TZASC_REGION_SETUP_LO_ADDR(LowAddress));
MmioWrite32((UINTN)(Region+1), HighAddress);
MmioWrite32((UINTN)(Region+2), RegionAttributes);
return EFI_SUCCESS;
}

33
ArmPlatformPkg/Drivers/ArmTrustZone/ArmTrustZone.inf
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@ -1,33 +0,0 @@
#/* @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

105
ArmPlatformPkg/Include/Drivers/ArmTrustzone.h
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@ -1,105 +0,0 @@
/** @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)
/* Some useful masks */
#define TZASC_REGION_SETUP_LO_ADDR_MASK 0xFFFF8000
#define TZASC_REGION_ATTR_SECURITY_MASK 0xF
#define TZASC_REGION_ATTR_SUBREG_DIS_MASK 0xFF
#define TZASC_REGION_ATTR_SIZE_MASK 0x3F
#define TZASC_REGION_ATTR_EN_MASK 0x1
#define TZASC_REGION_SETUP_LO_ADDR(x) ((x) & TZASC_REGION_SETUP_LO_ADDR_MASK)
#define TZASC_REGION_ATTR_SECURITY(x) (((x) & TZASC_REGION_ATTR_SECURITY_MASK) << 28)
#define TZASC_REGION_ATTR_SUBREG_DISABLE(x) \
(((x) & TZASC_REGION_ATTR_SUBREG_DIS_MASK) << 8)
#define TZASC_REGION_ATTR_SIZE(x) (((x) & TZASC_REGION_ATTR_SIZE_MASK) << 1)
#define TZASC_REGION_ATTR_ENABLE(x) ((x) & TZASC_REGION_ATTR_EN_MASK)
/**
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,
IN UINTN SubregionDisableMask
);
#endif