| Vishal Bhoj | 82c8071 | 2015-12-15 21:13:33 +0530 | [diff] [blame] | 1 | /** @file
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| 2 |
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| 3 | Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
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| 4 |
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| 5 | This program and the accompanying materials
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| 6 | are licensed and made available under the terms and conditions of the BSD License
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| 7 | which accompanies this distribution. The full text of the license may be found at
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| 8 | http://opensource.org/licenses/bsd-license.php
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| 9 |
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| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 12 |
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| 13 | **/
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| 14 |
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| 15 | #ifndef __ARM926EJ_S_H__
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| 16 | #define __ARM926EJ_S_H__
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| 17 |
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| 18 | // Domain Access Control Register
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| 19 | #define DOMAIN_ACCESS_CONTROL_MASK(a) (3UL << (2 * (a)))
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| 20 | #define DOMAIN_ACCESS_CONTROL_NONE(a) (0UL << (2 * (a)))
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| 21 | #define DOMAIN_ACCESS_CONTROL_CLIENT(a) (1UL << (2 * (a)))
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| 22 | #define DOMAIN_ACCESS_CONTROL_RESERVED(a) (2UL << (2 * (a)))
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| 23 | #define DOMAIN_ACCESS_CONTROL_MANAGER(a) (3UL << (2 * (a)))
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| 24 |
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| 25 | #define TRANSLATION_TABLE_SIZE (16 * 1024)
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| 26 | #define TRANSLATION_TABLE_ALIGNMENT (16 * 1024)
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| 27 | #define TRANSLATION_TABLE_ALIGNMENT_MASK (TRANSLATION_TABLE_ALIGNMENT - 1)
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| 28 |
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| 29 | #define TRANSLATION_TABLE_ENTRY_FOR_VIRTUAL_ADDRESS(table, address) ((UINT32 *)(table) + (((UINTN)(address)) >> 20))
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| 30 |
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| 31 | // Translation table descriptor types
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| 32 | #define TT_DESCRIPTOR_TYPE_MASK (3UL << 0)
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| 33 | #define TT_DESCRIPTOR_TYPE_FAULT (0UL << 0)
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| 34 | #define TT_DESCRIPTOR_TYPE_COARSE ((1UL << 0) | (1UL << 4))
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| 35 | #define TT_DESCRIPTOR_TYPE_SECTION ((2UL << 0) | (1UL << 4))
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| 36 | #define TT_DESCRIPTOR_TYPE_FINE ((3UL << 0) | (1UL << 4))
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| 37 |
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| 38 | // Section descriptor definitions
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| 39 | #define TT_DESCRIPTOR_SECTION_SIZE (0x00100000)
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| 40 |
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| 41 | #define TT_DESCRIPTOR_SECTION_CACHE_POLICY_MASK (3UL << 2)
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| 42 | #define TT_DESCRIPTOR_SECTION_CACHE_POLICY_UNCACHED_UNBUFFERED (0UL << 2)
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| 43 | #define TT_DESCRIPTOR_SECTION_CACHE_POLICY_UNCACHED_BUFFERED (1UL << 2)
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| 44 | #define TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_THROUGH (2UL << 2)
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| 45 | #define TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_BACK (3UL << 2)
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| 46 |
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| 47 | #define TT_DESCRIPTOR_SECTION_ACCESS_PERMISSION_MASK (3UL << 10)
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| 48 | #define TT_DESCRIPTOR_SECTION_ACCESS_PERMISSION_NONE (1UL << 10)
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| 49 | #define TT_DESCRIPTOR_SECTION_ACCESS_PERMISSION_READ_ONLY (2UL << 10)
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| 50 | #define TT_DESCRIPTOR_SECTION_ACCESS_PERMISSION_READ_WRITE (3UL << 10)
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| 51 |
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| 52 | #define TT_DESCRIPTOR_SECTION_DOMAIN_MASK (0x0FUL << 5)
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| 53 | #define TT_DESCRIPTOR_SECTION_DOMAIN(a) (((a) & 0xF) << 5)
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| 54 |
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| 55 | #define TT_DESCRIPTOR_SECTION_BASE_ADDRESS_MASK (0xFFF00000)
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| 56 | #define TT_DESCRIPTOR_SECTION_BASE_ADDRESS(a) (a & TT_DESCRIPTOR_SECTION_BASE_ADDRESS_MASK)
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| 57 |
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| 58 | #define TT_DESCRIPTOR_SECTION_WRITE_BACK (TT_DESCRIPTOR_SECTION_ACCESS_PERMISSION_READ_WRITE | \
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| 59 | TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
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| 60 | TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_BACK | \
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| 61 | TT_DESCRIPTOR_TYPE_SECTION)
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| 62 | #define TT_DESCRIPTOR_SECTION_WRITE_THROUGH (TT_DESCRIPTOR_SECTION_ACCESS_PERMISSION_READ_WRITE | \
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| 63 | TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
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| 64 | TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_THROUGH | \
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| 65 | TT_DESCRIPTOR_TYPE_SECTION)
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| 66 | #define TT_DESCRIPTOR_SECTION_UNCACHED_UNBUFFERED (TT_DESCRIPTOR_SECTION_ACCESS_PERMISSION_READ_WRITE | \
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| 67 | TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
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| 68 | TT_DESCRIPTOR_SECTION_CACHE_POLICY_UNCACHED_UNBUFFERED | \
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| 69 | TT_DESCRIPTOR_TYPE_SECTION)
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| 70 |
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| 71 | #endif // __ARM926EJ_S_H__
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