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Diffstat (limited to 'ArmPkg/Include/Chipset/ARM926EJ-S.h')
| -rw-r--r-- | ArmPkg/Include/Chipset/ARM926EJ-S.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/ArmPkg/Include/Chipset/ARM926EJ-S.h b/ArmPkg/Include/Chipset/ARM926EJ-S.h new file mode 100644 index 0000000000..799d60c392 --- /dev/null +++ b/ArmPkg/Include/Chipset/ARM926EJ-S.h @@ -0,0 +1,71 @@ +/** @file
+
+ Copyright (c) 2008-2009 Apple Inc. All rights reserved.<BR>
+
+ 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 __ARM926EJ_S_H__
+#define __ARM926EJ_S_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 TRANSLATION_TABLE_SIZE (16 * 1024)
+#define TRANSLATION_TABLE_ALIGNMENT (16 * 1024)
+#define TRANSLATION_TABLE_ALIGNMENT_MASK (TRANSLATION_TABLE_ALIGNMENT - 1)
+
+#define TRANSLATION_TABLE_ENTRY_FOR_VIRTUAL_ADDRESS(table, address) ((UINT32 *)(table) + (((UINTN)(address)) >> 20))
+
+// Translation table descriptor types
+#define TT_DESCRIPTOR_TYPE_MASK (3UL << 0)
+#define TT_DESCRIPTOR_TYPE_FAULT (0UL << 0)
+#define TT_DESCRIPTOR_TYPE_COARSE ((1UL << 0) | (1UL << 4))
+#define TT_DESCRIPTOR_TYPE_SECTION ((2UL << 0) | (1UL << 4))
+#define TT_DESCRIPTOR_TYPE_FINE ((3UL << 0) | (1UL << 4))
+
+// Section descriptor definitions
+#define TT_DESCRIPTOR_SECTION_SIZE (0x00100000)
+
+#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_MASK (3UL << 2)
+#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_UNCACHED_UNBUFFERED (0UL << 2)
+#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_UNCACHED_BUFFERED (1UL << 2)
+#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_THROUGH (2UL << 2)
+#define TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_BACK (3UL << 2)
+
+#define TT_DESCRIPTOR_SECTION_ACCESS_PERMISSION_MASK (3UL << 10)
+#define TT_DESCRIPTOR_SECTION_ACCESS_PERMISSION_NONE (1UL << 10)
+#define TT_DESCRIPTOR_SECTION_ACCESS_PERMISSION_READ_ONLY (2UL << 10)
+#define TT_DESCRIPTOR_SECTION_ACCESS_PERMISSION_READ_WRITE (3UL << 10)
+
+#define TT_DESCRIPTOR_SECTION_DOMAIN_MASK (0x0FUL << 5)
+#define TT_DESCRIPTOR_SECTION_DOMAIN(a) (((a) & 0xF) << 5)
+
+#define TT_DESCRIPTOR_SECTION_BASE_ADDRESS_MASK (0xFFF00000)
+#define TT_DESCRIPTOR_SECTION_BASE_ADDRESS(a) (a & TT_DESCRIPTOR_SECTION_BASE_ADDRESS_MASK)
+
+#define TT_DESCRIPTOR_SECTION_WRITE_BACK (TT_DESCRIPTOR_SECTION_ACCESS_PERMISSION_READ_WRITE | \
+ TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
+ TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_BACK | \
+ TT_DESCRIPTOR_TYPE_SECTION)
+#define TT_DESCRIPTOR_SECTION_WRITE_THROUGH (TT_DESCRIPTOR_SECTION_ACCESS_PERMISSION_READ_WRITE | \
+ TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
+ TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_THROUGH | \
+ TT_DESCRIPTOR_TYPE_SECTION)
+#define TT_DESCRIPTOR_SECTION_UNCACHED_UNBUFFERED (TT_DESCRIPTOR_SECTION_ACCESS_PERMISSION_READ_WRITE | \
+ TT_DESCRIPTOR_SECTION_DOMAIN(0) | \
+ TT_DESCRIPTOR_SECTION_CACHE_POLICY_UNCACHED_UNBUFFERED | \
+ TT_DESCRIPTOR_TYPE_SECTION)
+
+#endif // __ARM926EJ_S_H__
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