Mercurial > ecos-v2_0-branch

annotate packages/hal/arm/sa11x0/assabet/current/src/assabet_misc.c @ 117:bd1a71e3e476 ecos-sw-2000-08-25

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merge from eCos master repository on 2000-08-25-19:22:58-BST
author jlarmour
date Fri, 25 Aug 2000 19:17:22 +0000
parents ff3f181b64bd
children 518f42066aba
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
108
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
1 //==========================================================================
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
2 //
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
3 // assabet_misc.c
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
4 //
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
5 // HAL misc board support code for StrongARM SA1110/Assabet
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
6 //
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
7 //==========================================================================
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
8 //####COPYRIGHTBEGIN####
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
9 //
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
10 // -------------------------------------------
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
11 // The contents of this file are subject to the Red Hat eCos Public License
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
12 // Version 1.1 (the "License"); you may not use this file except in
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
13 // compliance with the License. You may obtain a copy of the License at
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
14 // http://www.redhat.com/
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
15 //
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
16 // Software distributed under the License is distributed on an "AS IS"
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
18 // License for the specific language governing rights and limitations under
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
19 // the License.
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
20 //
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
21 // The Original Code is eCos - Embedded Configurable Operating System,
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
22 // released September 30, 1998.
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
23 //
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
24 // The Initial Developer of the Original Code is Red Hat.
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
25 // Portions created by Red Hat are
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
27 // All Rights Reserved.
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
28 // -------------------------------------------
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
29 //
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
30 //####COPYRIGHTEND####
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
31 //==========================================================================
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
32 //#####DESCRIPTIONBEGIN####
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
33 //
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
34 // Author(s): gthomas
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
35 // Contributors: hmt
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
36 // Travis C. Furrer <furrer@mit.edu>
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
37 // Date: 2000-05-21
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
38 // Purpose: HAL board support
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
39 // Description: Implementations of HAL board interfaces
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
40 //
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
41 //####DESCRIPTIONEND####
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
42 //
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
43 //========================================================================*/
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
44
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
45 #include <pkgconf/hal.h>
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
46 #include <pkgconf/system.h>
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
47 #include CYGBLD_HAL_PLATFORM_H
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
48
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
49 #include <cyg/infra/cyg_type.h> // base types
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
50 #include <cyg/infra/cyg_trac.h> // tracing macros
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
51 #include <cyg/infra/cyg_ass.h> // assertion macros
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
52
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
53 #include <cyg/hal/hal_io.h> // IO macros
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
54 #include <cyg/hal/hal_arch.h> // Register state info
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
55 #include <cyg/hal/hal_diag.h>
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
56 #include <cyg/hal/hal_intr.h> // Interrupt names
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
57 #include <cyg/hal/hal_cache.h>
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
58 #include <cyg/hal/hal_sa11x0.h> // Hardware definitions
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
59 #include <cyg/hal/assabet.h> // Platform specifics
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
60
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
61 #include <cyg/infra/diag.h> // diag_printf
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
62
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
63 // -------------------------------------------------------------------------
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
64 // MMU initialization:
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
65 //
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
66 // These structures are laid down in memory to define the translation
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
67 // table.
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
68 //
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
69
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
70 /*
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
71 * SA-1100 Translation Table Base Bit Masks */
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
72 #define ARM_TRANSLATION_TABLE_MASK 0xFFFFC000
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
73
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
74 /*
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
75 * SA-1100 Domain Access Control Bit Masks
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
76 */
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
77 #define ARM_ACCESS_TYPE_NO_ACCESS(domain_num) (0x0 << (domain_num)*2)
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
78 #define ARM_ACCESS_TYPE_CLIENT(domain_num) (0x1 << (domain_num)*2)
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
79 #define ARM_ACCESS_TYPE_MANAGER(domain_num) (0x3 << (domain_num)*2)
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
80
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
81 struct ARM_MMU_FIRST_LEVEL_FAULT {
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
82 int id : 2;
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
83 int sbz : 30;
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
84 };
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
85 #define ARM_MMU_FIRST_LEVEL_FAULT_ID 0x0
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
86
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
87 struct ARM_MMU_FIRST_LEVEL_PAGE_TABLE {
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
88 int id : 2;
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
89 int imp : 2;
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
90 int domain : 4;
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
91 int sbz : 1;
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
92 int base_address : 23;
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
93 };
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
94 #define ARM_MMU_FIRST_LEVEL_PAGE_TABLE_ID 0x1
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
95
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
96 struct ARM_MMU_FIRST_LEVEL_SECTION {
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
97 int id : 2;
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
98 int b : 1;
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
99 int c : 1;
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
100 int imp : 1;
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
101 int domain : 4;
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
102 int sbz0 : 1;
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
103 int ap : 2;
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
104 int sbz1 : 8;
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
105 int base_address : 12;
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
106 };
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
107 #define ARM_MMU_FIRST_LEVEL_SECTION_ID 0x2
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
108
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
109 struct ARM_MMU_FIRST_LEVEL_RESERVED {
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
110 int id : 2;
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
111 int sbz : 30;
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
112 };
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
113 #define ARM_MMU_FIRST_LEVEL_RESERVED_ID 0x3
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
114
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
115 #define ARM_MMU_FIRST_LEVEL_DESCRIPTOR_ADDRESS(ttb_base, table_index) \
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
116 (unsigned long *)((unsigned long)(ttb_base) + ((table_index) << 2))
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
117
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
118 #define ARM_FIRST_LEVEL_PAGE_TABLE_SIZE 0x4000
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
119
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
120 #define ARM_MMU_SECTION(ttb_base, actual_base, virtual_base, \
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
121 cacheable, bufferable, perm) \
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
122 CYG_MACRO_START \
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
123 register union ARM_MMU_FIRST_LEVEL_DESCRIPTOR desc; \
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
124 \
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
125 desc.word = 0; \
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
126 desc.section.id = ARM_MMU_FIRST_LEVEL_SECTION_ID; \
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
127 desc.section.domain = 0; \
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
128 desc.section.c = (cacheable); \
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
129 desc.section.b = (bufferable); \
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
130 desc.section.ap = (perm); \
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
131 desc.section.base_address = (actual_base); \
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
132 *ARM_MMU_FIRST_LEVEL_DESCRIPTOR_ADDRESS(ttb_base, (virtual_base)) \
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
133 = desc.word; \
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
134 CYG_MACRO_END
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
135
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
136 #define X_ARM_MMU_SECTION(abase,vbase,size,cache,buff,access) \
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
137 { int i; int j = abase; int k = vbase; \
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
138 for (i = size; i > 0 ; i--,j++,k++) \
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
139 { \
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
140 ARM_MMU_SECTION(ttb_base, j, k, cache, buff, access); \
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
141 } \
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
142 }
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
143
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
144 union ARM_MMU_FIRST_LEVEL_DESCRIPTOR {
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
145 unsigned long word;
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
146 struct ARM_MMU_FIRST_LEVEL_FAULT fault;
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
147 struct ARM_MMU_FIRST_LEVEL_PAGE_TABLE page_table;
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
148 struct ARM_MMU_FIRST_LEVEL_SECTION section;
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
149 struct ARM_MMU_FIRST_LEVEL_RESERVED reserved;
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
150 };
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
151
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
152 #define ARM_UNCACHEABLE 0
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
153 #define ARM_CACHEABLE 1
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
154 #define ARM_UNBUFFERABLE 0
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
155 #define ARM_BUFFERABLE 1
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
156
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
157 #define ARM_ACCESS_PERM_NONE_NONE 0
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
158 #define ARM_ACCESS_PERM_RO_NONE 0
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
159 #define ARM_ACCESS_PERM_RO_RO 0
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
160 #define ARM_ACCESS_PERM_RW_NONE 1
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
161 #define ARM_ACCESS_PERM_RW_RO 2
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
162 #define ARM_ACCESS_PERM_RW_RW 3
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
163
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
164 void
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
165 hal_mmu_init(void)
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
166 {
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
167 unsigned long ttb_base = SA11X0_RAM_BANK0_BASE + 0x4000;
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
168 unsigned long i;
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
169
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
170 /*
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
171 * Set the TTB register
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
172 */
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
173 asm volatile ("mcr p15,0,%0,c2,c0,0" : : "r"(ttb_base) /*:*/);
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
174
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
175 /*
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
176 * Set the Domain Access Control Register
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
177 */
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
178 i = ARM_ACCESS_TYPE_MANAGER(0) |
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
179 ARM_ACCESS_TYPE_NO_ACCESS(1) |
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
180 ARM_ACCESS_TYPE_NO_ACCESS(2) |
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
181 ARM_ACCESS_TYPE_NO_ACCESS(3) |
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
182 ARM_ACCESS_TYPE_NO_ACCESS(4) |
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
183 ARM_ACCESS_TYPE_NO_ACCESS(5) |
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
184 ARM_ACCESS_TYPE_NO_ACCESS(6) |
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
185 ARM_ACCESS_TYPE_NO_ACCESS(7) |
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
186 ARM_ACCESS_TYPE_NO_ACCESS(8) |
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
187 ARM_ACCESS_TYPE_NO_ACCESS(9) |
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
188 ARM_ACCESS_TYPE_NO_ACCESS(10) |
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
189 ARM_ACCESS_TYPE_NO_ACCESS(11) |
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
190 ARM_ACCESS_TYPE_NO_ACCESS(12) |
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
191 ARM_ACCESS_TYPE_NO_ACCESS(13) |
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
192 ARM_ACCESS_TYPE_NO_ACCESS(14) |
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
193 ARM_ACCESS_TYPE_NO_ACCESS(15);
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
194 asm volatile ("mcr p15,0,%0,c3,c0,0" : : "r"(i) /*:*/);
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
195
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
196 /*
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
197 * First clear all TT entries - ie Set them to Faulting
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
198 */
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
199 memset((void *)ttb_base, 0, ARM_FIRST_LEVEL_PAGE_TABLE_SIZE);
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
200
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
201 /* Actual Virtual Size Attributes Function */
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
202 /* Base Base MB cached? buffered? access permissions */
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
203 /* xxx00000 xxx00000 */
117
bd1a71e3e476 Merge from eCos master repository on 2000-08-25-19:22:58-BST
jlarmour
parents: 108
diff changeset
204 X_ARM_MMU_SECTION(0x000, 0x500, 32, ARM_CACHEABLE, ARM_BUFFERABLE, ARM_ACCESS_PERM_RW_RW); /* Boot flash ROMspace */
108
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
205 X_ARM_MMU_SECTION(0x080, 0x080, 4, ARM_CACHEABLE, ARM_BUFFERABLE, ARM_ACCESS_PERM_RW_RW); /* Application flash ROM */
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
206 X_ARM_MMU_SECTION(0x100, 0x100, 128, ARM_UNCACHEABLE, ARM_UNBUFFERABLE, ARM_ACCESS_PERM_RW_RW); /* SA-1101 Development Board Registers */
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
207 X_ARM_MMU_SECTION(0x180, 0x180, 128, ARM_UNCACHEABLE, ARM_UNBUFFERABLE, ARM_ACCESS_PERM_RW_RW); /* Ethernet Adaptor */
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
208 X_ARM_MMU_SECTION(0x184, 0x184, 1, ARM_UNCACHEABLE, ARM_UNBUFFERABLE, ARM_ACCESS_PERM_RW_RW); /* XBusReg */
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
209 X_ARM_MMU_SECTION(0x188, 0x188, 1, ARM_UNCACHEABLE, ARM_UNBUFFERABLE, ARM_ACCESS_PERM_RW_RW); /* SysRegA */
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
210 X_ARM_MMU_SECTION(0x18C, 0x18C, 1, ARM_UNCACHEABLE, ARM_UNBUFFERABLE, ARM_ACCESS_PERM_RW_RW); /* SysRegB */
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
211 X_ARM_MMU_SECTION(0x190, 0x190, 4, ARM_UNCACHEABLE, ARM_UNBUFFERABLE, ARM_ACCESS_PERM_RW_RW); /* CPLD A */
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
212 X_ARM_MMU_SECTION(0x194, 0x194, 4, ARM_UNCACHEABLE, ARM_UNBUFFERABLE, ARM_ACCESS_PERM_RW_RW); /* CPLD B */
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
213 X_ARM_MMU_SECTION(0x200, 0x200, 512, ARM_UNCACHEABLE, ARM_UNBUFFERABLE, ARM_ACCESS_PERM_RW_RW); /* PCMCIA Socket A */
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
214 X_ARM_MMU_SECTION(0x300, 0x300, 512, ARM_UNCACHEABLE, ARM_UNBUFFERABLE, ARM_ACCESS_PERM_RW_RW); /* PCMCIA Sockets B */
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
215 X_ARM_MMU_SECTION(0x400, 0x400, 128, ARM_UNCACHEABLE, ARM_UNBUFFERABLE, ARM_ACCESS_PERM_RW_RW); /* SA1111 Daughter card */
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
216 X_ARM_MMU_SECTION(0x480, 0x480, 128, ARM_UNCACHEABLE, ARM_UNBUFFERABLE, ARM_ACCESS_PERM_RW_RW); /* Video Controller Daughter card */
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
217 X_ARM_MMU_SECTION(0x800, 0x800, 0x400, ARM_UNCACHEABLE, ARM_UNBUFFERABLE, ARM_ACCESS_PERM_RW_RW); /* StrongARM(R) Registers */
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
218 X_ARM_MMU_SECTION(0xC00, 0, 32, ARM_CACHEABLE, ARM_BUFFERABLE, ARM_ACCESS_PERM_RW_RW); /* DRAM Bank 0 */
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
219 X_ARM_MMU_SECTION(0xC00, 0xC00, 32, ARM_UNCACHEABLE, ARM_BUFFERABLE, ARM_ACCESS_PERM_RW_RW); /* DRAM Bank 0 */
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
220 X_ARM_MMU_SECTION(0xE00, 0xE00, 128, ARM_CACHEABLE, ARM_BUFFERABLE, ARM_ACCESS_PERM_RW_RW); /* Zeros (Cache Clean) Bank */
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
221
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
222 }
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
223
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
224 //
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
225 // Board control register support
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
226 // Update the board control register (write only). Only the bits
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
227 // specified by 'mask' are changed to 'value'.
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
228 //
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
229
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
230 void
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
231 assabet_BCR(unsigned long mask, unsigned long value)
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
232 {
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
233 _assabet_BCR = (_assabet_BCR & ~mask) | (mask & value);
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
234 *SA1110_BOARD_CONTROL = _assabet_BCR;
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
235 }
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
236
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
237 //
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
238 // Platform specific initialization
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
239 //
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
240
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
241 void
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
242 plf_hardware_init(void)
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
243 {
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
244 // Force "alternate" use of GPIO pins used for LCD screen
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
245 // *SA11X0_GPIO_ALTERNATE_FUNCTION |= 0x000003FC; // Bits 2..9
ff3f181b64bd Merge from eCos master repository on 2000-07-04-20:42:44-BST
jlarmour
parents:
diff changeset
246 }