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/** @file
Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
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_V7_H__
#define __ARM_V7_H__
// Domain Access Control Register
#define DOMAIN_ACCESS_CONTROL_MASK(a) (3UL << (2 * (a)))
#define DOMAIN_ACCESS_CONTROL_NONE(a) (0UL << (2 * (a)))
#define DOMAIN_ACCESS_CONTROL_CLIENT(a) (1UL << (2 * (a)))
#define DOMAIN_ACCESS_CONTROL_RESERVED(a) (2UL << (2 * (a)))
#define DOMAIN_ACCESS_CONTROL_MANAGER(a) (3UL << (2 * (a)))
#define TTBR_NOT_OUTER_SHAREABLE BIT5
#define TTBR_RGN_OUTER_NON_CACHEABLE 0
#define TTBR_RGN_OUTER_WRITE_BACK_ALLOC BIT3
#define TTBR_RGN_OUTER_WRITE_THROUGH BIT4
#define TTBR_RGN_OUTER_WRITE_BACK_NO_ALLOC (BIT3|BIT4)
#define TTBR_SHAREABLE BIT1
#define TTBR_NON_SHAREABLE 0
#define TTBR_INNER_CACHEABLE BIT0
#define TTBR_NON_INNER_CACHEABLE BIT0
#define TTBR_RGN_INNER_NON_CACHEABLE 0
#define TTBR_RGN_INNER_WRITE_BACK_ALLOC BIT6
#define TTBR_RGN_INNER_WRITE_THROUGH BIT0
#define TTBR_RGN_INNER_WRITE_BACK_NO_ALLOC (BIT0|BIT6)
#define TTBR_WRITE_THROUGH_NO_ALLOC ( TTBR_RGN_OUTER_WRITE_BACK_ALLOC | TTBR_RGN_INNER_WRITE_BACK_ALLOC )
#define TTBR_WRITE_BACK_NO_ALLOC ( TTBR_RGN_OUTER_WRITE_BACK_NO_ALLOC | TTBR_RGN_INNER_WRITE_BACK_NO_ALLOC )
#define TTBR_NON_CACHEABLE ( TTBR_RGN_OUTER_NON_CACHEABLE | TTBR_RGN_INNER_NON_CACHEABLE )
#define TTBR_WRITE_BACK_ALLOC ( TTBR_RGN_OUTER_WRITE_BACK_ALLOC | TTBR_RGN_INNER_WRITE_BACK_ALLOC )
#define TRANSLATION_TABLE_SECTION_COUNT 4096
#define TRANSLATION_TABLE_SECTION_SIZE (sizeof(UINT32) * TRANSLATION_TABLE_SECTION_COUNT)
#define TRANSLATION_TABLE_SECTION_ALIGNMENT (sizeof(UINT32) * TRANSLATION_TABLE_SECTION_COUNT)
#define TRANSLATION_TABLE_SECTION_ALIGNMENT_MASK (TRANSLATION_TABLE_SECTION_ALIGNMENT - 1)
#define TRANSLATION_TABLE_PAGE_COUNT 256
#define TRANSLATION_TABLE_PAGE_SIZE (sizeof(UINT32) * TRANSLATION_TABLE_PAGE_COUNT)
#define TRANSLATION_TABLE_PAGE_ALIGNMENT (sizeof(UINT32) * TRANSLATION_TABLE_PAGE_COUNT)
#define TRANSLATION_TABLE_PAGE_ALIGNMENT_MASK (TRANSLATION_TABLE_PAGE_ALIGNMENT - 1)
#define TRANSLATION_TABLE_ENTRY_FOR_VIRTUAL_ADDRESS(table, address) ((UINT32 *)(table) + (((UINTN)(address)) >> 20))
// Translation table descriptor types
#define TT_DESCRIPTOR_SECTION_TYPE_MASK ((1UL << 18) | (3UL << 0))
#define TT_DESCRIPTOR_SECTION_TYPE_FAULT (0UL << 0)
#define TT_DESCRIPTOR_SECTION_TYPE_PAGE_TABLE (1UL << 0)
#define TT_DESCRIPTOR_SECTION_TYPE_SECTION ((0UL << 18) | (2UL << 0))
#define TT_DESCRIPTOR_SECTION_TYPE_SUPERSECTION ((1UL << 18) | (2UL << 0))
#define TT_DESCRIPTOR_SECTION_TYPE_IS_PAGE_TABLE(Desc) (((Desc) & 3UL) == TT_DESCRIPTOR_SECTION_TYPE_PAGE_TABLE)
// Translation table descriptor types
#define TT_DESCRIPTOR_PAGE_TYPE_MASK (3UL << 0)
#define TT_DESCRIPTOR_PAGE_TYPE_FAULT (0UL << 0)
#define TT_DESCRIPTOR_PAGE_TYPE_PAGE (2UL << 0)
#define TT_DESCRIPTOR_PAGE_TYPE_PAGE_XN (3UL << 0)
#define TT_DESCRIPTOR_PAGE_TYPE_LARGEPAGE (1UL << 0)
// Section descriptor definitions
#define TT_DESCRIPTOR_SECTION_SIZE (0x00100000)
#define TT_DESCRIPTOR_SECTION_NS_MASK (1UL << 19)
#define TT_DESCRIPTOR_SECTION_NS_SECURE (0UL << 19)
#define TT_DESCRIPTOR_SECTION_NS_NON_SECURE (1UL << 19)
#define TT_DESCRIPTOR_SECTION_NG_MASK (1UL << 17)
#define TT_DESCRIPTOR_SECTION_NG_GLOBAL (0UL << 17)
#define TT_DESCRIPTOR_SECTION_NG_LOCAL (1UL << 17)
#define TT_DESCRIPTOR_PAGE_NG_MASK (1UL << 11)
#define TT_DESCRIPTOR_PAGE_NG_GLOBAL (0UL << 11)
#define TT_DESCRIPTOR_PAGE_NG_LOCAL (1UL << 11)
#define TT_DESCRIPTOR_SECTION_S_MASK (1UL << 16)
#define TT_DESCRIPTOR_SECTION_S_NOT_SHARED (0UL << 16)
#define TT_DESCRIPTOR_SECTION_S_SHARED (1UL << 16)
#define TT_DESCRIPTOR_PAGE_S_MASK (1UL << 10)
#define TT_DESCRIPTOR_PAGE_S_NOT_SHARED (0UL << 10)
#define TT_DESCRIPTOR_PAGE_S_SHARED (1UL << 10)
#define TT_DESCRIPTOR_SECTION_AP_MASK ((1UL << 15) | (3UL << 10))
#define TT_DESCRIPTOR_SECTION_AP_NO_NO ((0UL << 15) | (0UL << 10))
#define TT_DESCRIPTOR_SECTION_AP_RW_NO ((0UL << 15) | (1UL << 10))
#define TT_DESCRIPTOR_SECTION_AP_RW_RO ((0UL << 15) | (2UL << 10))
#define TT_DESCRIPTOR_SECTION_AP_RW_RW ((0UL << 15) | (3UL << 10))
#define TT_DESCRIPTOR_SECTION_AP_RO_NO ((1UL << 15) | (1UL << 10))
#define TT_DESCRIPTOR_SECTION_AP_RO_RO ((1UL << 15) | (3UL << 10))
#define TT_DESCRIPTOR_PAGE_AP_MASK ((1UL << 9) | (3UL << 4))
#define TT_DESCRIPTOR_PAGE_AP_NO_NO ((0UL << 9) | (0UL << 4))
#define TT_DESCRIPTOR_PAGE_AP_RW_NO ((0UL << 9) | (1UL << 4))
#define TT_DESCRIPTOR_PAGE_AP_RW_RO ((0UL << 9) | (2UL << 4))
#define TT_DESCRIPTOR_PAGE_AP_RW_RW ((0UL << 9) | (3UL << 4))
#define TT_DESCRIPTOR_PAGE_AP_RO_NO ((1UL << 9) | (1UL << 4))
#define TT_DESCRIPTOR_PAGE_AP_RO_RO ((1UL << 9) | (3UL << 4))
#define TT_DESCRIPTOR_SECTION_XN_MASK (0x1UL << 4)
#define TT_DESCRIPTOR_PAGE_XN_MASK (0x1UL << 0)
#define TT_DESCRIPTOR_LARGEPAGE_XN_MASK (0x1UL << 15)
#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_MASK ((3UL << 12) | (1UL << 3) | (1UL << 2))
#define TT_DESCRIPTOR_SECTION_CACHEABLE_MASK (1UL << 3)
#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_STRONGLY_ORDERED ((0UL << 12) | (0UL << 3) | (0UL << 2))
#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_SHAREABLE_DEVICE ((0UL << 12) | (0UL << 3) | (1UL << 2))
#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_THROUGH_NO_ALLOC ((0UL << 12) | (1UL << 3) | (0UL << 2))
#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_BACK_NO_ALLOC ((0UL << 12) | (1UL << 3) | (1UL << 2))
#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_NON_CACHEABLE ((1UL << 12) | (0UL << 3) | (0UL << 2))
#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_BACK_ALLOC ((1UL << 12) | (1UL << 3) | (1UL << 2))
#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_NON_SHAREABLE_DEVICE ((2UL << 12) | (0UL << 3) | (0UL << 2))
#define TT_DESCRIPTOR_PAGE_CACHE_POLICY_MASK ((3UL << 6) | (1UL << 3) | (1UL << 2))
#define TT_DESCRIPTOR_PAGE_CACHEABLE_MASK (1UL << 3)
#define TT_DESCRIPTOR_PAGE_CACHE_POLICY_STRONGLY_ORDERED ((0UL << 6) | (0UL << 3) | (0UL << 2))
#define TT_DESCRIPTOR_PAGE_CACHE_POLICY_SHAREABLE_DEVICE ((0UL << 6) | (0UL << 3) | (1UL << 2))
#define TT_DESCRIPTOR_PAGE_CACHE_POLICY_WRITE_THROUGH_NO_ALLOC ((0UL << 6) | (1UL << 3) | (0UL << 2))
#define TT_DESCRIPTOR_PAGE_CACHE_POLICY_WRITE_BACK_NO_ALLOC ((0UL << 6) | (1UL << 3) | (1UL << 2))
#define TT_DESCRIPTOR_PAGE_CACHE_POLICY_NON_CACHEABLE ((1UL << 6) | (0UL << 3) | (0UL << 2))
#define TT_DESCRIPTOR_PAGE_CACHE_POLICY_WRITE_BACK_ALLOC ((1UL << 6) | (1UL << 3) | (1UL << 2))
#define TT_DESCRIPTOR_PAGE_CACHE_POLICY_NON_SHAREABLE_DEVICE ((2UL << 6) | (0UL << 3) | (0UL << 2))
#define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_MASK ((3UL << 12) | (0UL << 3) | (0UL << 2))
#define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_STRONGLY_ORDERED ((0UL << 12) | (0UL << 3) | (0UL << 2))
#define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_SHAREABLE_DEVICE ((0UL << 12) | (0UL << 3) | (1UL << 2))
#define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_WRITE_THROUGH_NO_ALLOC ((0UL << 12) | (1UL << 3) | (0UL << 2))
#define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_WRITE_BACK_NO_ALLOC ((0UL << 12) | (1UL << 3) | (1UL << 2))
#define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_NON_CACHEABLE ((1UL << 12) | (0UL << 3) | (0UL << 2))
#define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_WRITE_BACK_ALLOC ((1UL << 12) | (1UL << 3) | (1UL << 2))
#define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_NON_SHAREABLE_DEVICE ((2UL << 12) | (0UL << 3) | (0UL << 2))
#define TT_DESCRIPTOR_CONVERT_TO_PAGE_AP(Desc) ((((Desc) & TT_DESCRIPTOR_SECTION_AP_MASK) >> 6) & TT_DESCRIPTOR_PAGE_AP_MASK)
#define TT_DESCRIPTOR_CONVERT_TO_PAGE_NG(Desc) ((((Desc) & TT_DESCRIPTOR_SECTION_NG_MASK) >> 6) & TT_DESCRIPTOR_PAGE_NG_MASK)
#define TT_DESCRIPTOR_CONVERT_TO_PAGE_S(Desc) ((((Desc) & TT_DESCRIPTOR_SECTION_S_MASK) >> 6) & TT_DESCRIPTOR_PAGE_S_MASK)
#define TT_DESCRIPTOR_CONVERT_TO_PAGE_XN(Desc,IsLargePage) ((IsLargePage)? \
((((Desc) & TT_DESCRIPTOR_SECTION_XN_MASK) >> 4) & TT_DESCRIPTOR_LARGEPAGE_XN_MASK): \
((((Desc) & TT_DESCRIPTOR_SECTION_XN_MASK) << 11) & TT_DESCRIPTOR_PAGE_XN_MASK))
#define TT_DESCRIPTOR_CONVERT_TO_PAGE_CACHE_POLICY(Desc,IsLargePage) (IsLargePage? \
(((Desc) & TT_DESCRIPTOR_SECTION_CACHE_POLICY_MASK) & TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_MASK): \
(((((Desc) & (0x3 << 12)) >> 6) | (Desc & (0x3 << 2)))))
#define TT_DESCRIPTOR_SECTION_DOMAIN_MASK (0x0FUL << 5)
#define TT_DESCRIPTOR_SECTION_DOMAIN(a) (((a) & 0x0FUL) << 5)
#define TT_DESCRIPTOR_SECTION_BASE_ADDRESS_MASK (0xFFF00000)
#define TT_DESCRIPTOR_SECTION_PAGETABLE_ADDRESS_MASK (0xFFFFFC00)
#define TT_DESCRIPTOR_SECTION_BASE_ADDRESS(a) ((a) & TT_DESCRIPTOR_SECTION_BASE_ADDRESS_MASK)
#define TT_DESCRIPTOR_SECTION_BASE_SHIFT 20
#define TT_DESCRIPTOR_PAGE_BASE_ADDRESS_MASK (0xFFFFF000)
#define TT_DESCRIPTOR_PAGE_INDEX_MASK (0x000FF000)
#define TT_DESCRIPTOR_PAGE_BASE_ADDRESS(a) ((a) & TT_DESCRIPTOR_PAGE_BASE_ADDRESS_MASK)
#define TT_DESCRIPTOR_PAGE_BASE_SHIFT 12
#define TT_DESCRIPTOR_SECTION_WRITE_BACK(Secure) (TT_DESCRIPTOR_SECTION_TYPE_SECTION | \
((Secure) ? TT_DESCRIPTOR_SECTION_NS_SECURE : TT_DESCRIPTOR_SECTION_NS_NON_SECURE ) | \
TT_DESCRIPTOR_SECTION_NG_GLOBAL | \
TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \
TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
TT_DESCRIPTOR_SECTION_AP_RW_RW | \
TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_BACK_ALLOC)
#define TT_DESCRIPTOR_SECTION_WRITE_THROUGH(Secure) (TT_DESCRIPTOR_SECTION_TYPE_SECTION | \
((Secure) ? TT_DESCRIPTOR_SECTION_NS_SECURE : TT_DESCRIPTOR_SECTION_NS_NON_SECURE ) | \
TT_DESCRIPTOR_SECTION_NG_GLOBAL | \
TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \
TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
TT_DESCRIPTOR_SECTION_AP_RW_RW | \
TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_THROUGH_NO_ALLOC)
#define TT_DESCRIPTOR_SECTION_DEVICE(Secure) (TT_DESCRIPTOR_SECTION_TYPE_SECTION | \
((Secure) ? TT_DESCRIPTOR_SECTION_NS_SECURE : TT_DESCRIPTOR_SECTION_NS_NON_SECURE ) | \
TT_DESCRIPTOR_SECTION_NG_GLOBAL | \
TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \
TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
TT_DESCRIPTOR_SECTION_AP_RW_RW | \
TT_DESCRIPTOR_SECTION_CACHE_POLICY_SHAREABLE_DEVICE)
#define TT_DESCRIPTOR_SECTION_UNCACHED(Secure) (TT_DESCRIPTOR_SECTION_TYPE_SECTION | \
((Secure) ? TT_DESCRIPTOR_SECTION_NS_SECURE : TT_DESCRIPTOR_SECTION_NS_NON_SECURE ) | \
TT_DESCRIPTOR_SECTION_NG_GLOBAL | \
TT_DESCRIPTOR_SECTION_S_NOT_SHARED | \
TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
TT_DESCRIPTOR_SECTION_AP_RW_RW | \
TT_DESCRIPTOR_SECTION_CACHE_POLICY_NON_CACHEABLE)
// Cortex A9 feature bit definitions
#define A9_FEATURE_PARITY (1<<9)
#define A9_FEATURE_AOW (1<<8)
#define A9_FEATURE_EXCL (1<<7)
#define A9_FEATURE_SMP (1<<6)
#define A9_FEATURE_FOZ (1<<3)
#define A9_FEATURE_DPREF (1<<2)
#define A9_FEATURE_HINT (1<<1)
#define A9_FEATURE_FWD (1<<0)
// SCU register offsets & masks
#define SCU_CONTROL_OFFSET 0x0
#define SCU_CONFIG_OFFSET 0x4
#define SCU_INVALL_OFFSET 0xC
#define SCU_FILT_START_OFFSET 0x40
#define SCU_FILT_END_OFFSET 0x44
#define SCU_SACR_OFFSET 0x50
#define SCU_SSACR_OFFSET 0x54
#define SMP_GIC_CPUIF_BASE 0x100
#define SMP_GIC_DIST_BASE 0x1000
// CPACR - Coprocessor Access Control Register defintions
#define CPACR_CP_DENIED(cp) 0x00
#define CPACR_CP_PRIV(cp) ((0x1 << ((cp) << 1)) & 0x0FFFFFFF)
#define CPACR_CP_FULL(cp) ((0x3 << ((cp) << 1)) & 0x0FFFFFFF)
#define CPACR_ASEDIS (1 << 31)
#define CPACR_D32DIS (1 << 30)
#define CPACR_CP_FULL_ACCESS 0x0FFFFFFF
// NSACR - Non-Secure Access Control Register defintions
#define NSACR_CP(cp) ((1 << (cp)) & 0x3FFF)
#define NSACR_NSD32DIS (1 << 14)
#define NSACR_NSASEDIS (1 << 15)
#define NSACR_PLE (1 << 16)
#define NSACR_TL (1 << 17)
#define NSACR_NS_SMP (1 << 18)
#define NSACR_RFR (1 << 19)
// SCR - Secure Configuration Register defintions
#define SCR_NS (1 << 0)
#define SCR_IRQ (1 << 1)
#define SCR_FIQ (1 << 2)
#define SCR_EA (1 << 3)
#define SCR_FW (1 << 4)
#define SCR_AW (1 << 5)
VOID
EFIAPI
ArmEnableSWPInstruction (
VOID
);
VOID
EFIAPI
ArmWriteNsacr (
IN UINT32 SetWayFormat
);
VOID
EFIAPI
ArmWriteScr (
IN UINT32 SetWayFormat
);
VOID
EFIAPI
ArmWriteVMBar (
IN UINT32 SetWayFormat
);
VOID
EFIAPI
ArmWriteVBar (
IN UINT32 SetWayFormat
);
UINT32
EFIAPI
ArmReadVBar (
VOID
);
VOID
EFIAPI
ArmWriteCPACR (
IN UINT32 SetWayFormat
);
VOID
EFIAPI
ArmEnableVFP (
VOID
);
VOID
EFIAPI
ArmCallWFI (
VOID
);
VOID
EFIAPI
ArmInvalidScu (
VOID
);
UINTN
EFIAPI
ArmGetScuBaseAddress (
VOID
);
UINT32
EFIAPI
ArmIsScuEnable(
VOID
);
VOID
EFIAPI
ArmWriteAuxCr (
IN UINT32 Bit
);
UINT32
EFIAPI
ArmReadAuxCr (
VOID
);
VOID
EFIAPI
ArmSetAuxCrBit (
IN UINT32 Bits
);
VOID
EFIAPI
ArmSetupSmpNonSecure (
IN UINTN CoreId
);
UINTN
EFIAPI
ArmReadCbar(
VOID
);
VOID
EFIAPI
ArmInvalidateInstructionAndDataTlb(
VOID
);
UINTN
EFIAPI
ArmReadMpidr(
VOID
);
#endif // __ARM_V7_H__
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