blob: e4c165ca669680eb6d74ce8e3d5822de50bbe44f [file] [log] [blame]
Hyok S. Choi07e0da72006-09-26 17:37:36 +09001/*
2 * linux/arch/arm/mm/proc-arm7tdmi.S: utility functions for ARM7TDMI
3 *
4 * Copyright (C) 2003-2006 Hyok S. Choi <hyok.choi@samsung.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 */
11#include <linux/linkage.h>
12#include <linux/init.h>
13#include <asm/assembler.h>
14#include <asm/asm-offsets.h>
Russell King5ec94072008-09-07 19:15:31 +010015#include <asm/hwcap.h>
Hyok S. Choi07e0da72006-09-26 17:37:36 +090016#include <asm/pgtable-hwdef.h>
17#include <asm/pgtable.h>
Hyok S. Choi07e0da72006-09-26 17:37:36 +090018#include <asm/ptrace.h>
19
20 .text
21/*
22 * cpu_arm7tdmi_proc_init()
23 * cpu_arm7tdmi_do_idle()
24 * cpu_arm7tdmi_dcache_clean_area()
25 * cpu_arm7tdmi_switch_mm()
26 *
27 * These are not required.
28 */
29ENTRY(cpu_arm7tdmi_proc_init)
30ENTRY(cpu_arm7tdmi_do_idle)
31ENTRY(cpu_arm7tdmi_dcache_clean_area)
32ENTRY(cpu_arm7tdmi_switch_mm)
33 mov pc, lr
34
35/*
36 * cpu_arm7tdmi_proc_fin()
37 */
38ENTRY(cpu_arm7tdmi_proc_fin)
Hyok S. Choi07e0da72006-09-26 17:37:36 +090039 mov pc, lr
40
41/*
42 * Function: cpu_arm7tdmi_reset(loc)
43 * Params : loc(r0) address to jump to
44 * Purpose : Sets up everything for a reset and jump to the location for soft reset.
45 */
46ENTRY(cpu_arm7tdmi_reset)
47 mov pc, r0
48
Russell King5085f3f2010-10-01 15:37:05 +010049 __CPUINIT
Hyok S. Choi07e0da72006-09-26 17:37:36 +090050
51 .type __arm7tdmi_setup, #function
52__arm7tdmi_setup:
53 mov pc, lr
54 .size __arm7tdmi_setup, . - __arm7tdmi_setup
55
56 __INITDATA
57
58/*
59 * Purpose : Function pointers used to access above functions - all calls
60 * come through these
61 */
62 .type arm7tdmi_processor_functions, #object
63ENTRY(arm7tdmi_processor_functions)
64 .word v4t_late_abort
Kirill A. Shutemov4fb28472009-09-25 13:39:47 +010065 .word legacy_pabort
Hyok S. Choi07e0da72006-09-26 17:37:36 +090066 .word cpu_arm7tdmi_proc_init
67 .word cpu_arm7tdmi_proc_fin
68 .word cpu_arm7tdmi_reset
69 .word cpu_arm7tdmi_do_idle
70 .word cpu_arm7tdmi_dcache_clean_area
71 .word cpu_arm7tdmi_switch_mm
72 .word 0 @ cpu_*_set_pte
Russell Kingf6b0fa02011-02-06 15:48:39 +000073 .word 0
74 .word 0
75 .word 0
Hyok S. Choi07e0da72006-09-26 17:37:36 +090076 .size arm7tdmi_processor_functions, . - arm7tdmi_processor_functions
77
78 .section ".rodata"
79
80 .type cpu_arch_name, #object
81cpu_arch_name:
82 .asciz "armv4t"
83 .size cpu_arch_name, . - cpu_arch_name
84
85 .type cpu_elf_name, #object
86cpu_elf_name:
87 .asciz "v4"
88 .size cpu_elf_name, . - cpu_elf_name
89
90 .type cpu_arm7tdmi_name, #object
91cpu_arm7tdmi_name:
92 .asciz "ARM7TDMI"
93 .size cpu_arm7tdmi_name, . - cpu_arm7tdmi_name
94
95 .type cpu_triscenda7_name, #object
96cpu_triscenda7_name:
97 .asciz "Triscend-A7x"
98 .size cpu_triscenda7_name, . - cpu_triscenda7_name
99
100 .type cpu_at91_name, #object
101cpu_at91_name:
102 .asciz "Atmel-AT91M40xxx"
103 .size cpu_at91_name, . - cpu_at91_name
104
105 .type cpu_s3c3410_name, #object
106cpu_s3c3410_name:
107 .asciz "Samsung-S3C3410"
108 .size cpu_s3c3410_name, . - cpu_s3c3410_name
109
110 .type cpu_s3c44b0x_name, #object
111cpu_s3c44b0x_name:
112 .asciz "Samsung-S3C44B0x"
113 .size cpu_s3c44b0x_name, . - cpu_s3c44b0x_name
114
115 .type cpu_s3c4510b, #object
116cpu_s3c4510b_name:
117 .asciz "Samsung-S3C4510B"
118 .size cpu_s3c4510b_name, . - cpu_s3c4510b_name
119
120 .type cpu_s3c4530_name, #object
121cpu_s3c4530_name:
122 .asciz "Samsung-S3C4530"
123 .size cpu_s3c4530_name, . - cpu_s3c4530_name
124
125 .type cpu_netarm_name, #object
126cpu_netarm_name:
127 .asciz "NETARM"
128 .size cpu_netarm_name, . - cpu_netarm_name
129
130 .align
131
132 .section ".proc.info.init", #alloc, #execinstr
133
134 .type __arm7tdmi_proc_info, #object
135__arm7tdmi_proc_info:
136 .long 0x41007700
137 .long 0xfff8ff00
138 .long 0
139 .long 0
140 b __arm7tdmi_setup
141 .long cpu_arch_name
142 .long cpu_elf_name
143 .long HWCAP_SWP | HWCAP_26BIT
144 .long cpu_arm7tdmi_name
145 .long arm7tdmi_processor_functions
146 .long 0
147 .long 0
148 .long v4_cache_fns
149 .size __arm7tdmi_proc_info, . - __arm7dmi_proc_info
150
151 .type __triscenda7_proc_info, #object
152__triscenda7_proc_info:
153 .long 0x0001d2ff
154 .long 0x0001ffff
155 .long 0
156 .long 0
157 b __arm7tdmi_setup
158 .long cpu_arch_name
159 .long cpu_elf_name
160 .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
161 .long cpu_triscenda7_name
162 .long arm7tdmi_processor_functions
163 .long 0
164 .long 0
165 .long v4_cache_fns
166 .size __triscenda7_proc_info, . - __triscenda7_proc_info
167
168 .type __at91_proc_info, #object
169__at91_proc_info:
170 .long 0x14000040
171 .long 0xfff000e0
172 .long 0
173 .long 0
174 b __arm7tdmi_setup
175 .long cpu_arch_name
176 .long cpu_elf_name
177 .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
178 .long cpu_at91_name
179 .long arm7tdmi_processor_functions
180 .long 0
181 .long 0
182 .long v4_cache_fns
183 .size __at91_proc_info, . - __at91_proc_info
184
185 .type __s3c4510b_proc_info, #object
186__s3c4510b_proc_info:
187 .long 0x36365000
188 .long 0xfffff000
189 .long 0
190 .long 0
191 b __arm7tdmi_setup
192 .long cpu_arch_name
193 .long cpu_elf_name
194 .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
195 .long cpu_s3c4510b_name
196 .long arm7tdmi_processor_functions
197 .long 0
198 .long 0
199 .long v4_cache_fns
200 .size __s3c4510b_proc_info, . - __s3c4510b_proc_info
201
202 .type __s3c4530_proc_info, #object
203__s3c4530_proc_info:
204 .long 0x4c000000
205 .long 0xfff000e0
206 .long 0
207 .long 0
208 b __arm7tdmi_setup
209 .long cpu_arch_name
210 .long cpu_elf_name
211 .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
212 .long cpu_s3c4530_name
213 .long arm7tdmi_processor_functions
214 .long 0
215 .long 0
216 .long v4_cache_fns
217 .size __s3c4530_proc_info, . - __s3c4530_proc_info
218
219 .type __s3c3410_proc_info, #object
220__s3c3410_proc_info:
221 .long 0x34100000
222 .long 0xffff0000
223 .long 0
224 .long 0
225 b __arm7tdmi_setup
226 .long cpu_arch_name
227 .long cpu_elf_name
228 .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
229 .long cpu_s3c3410_name
230 .long arm7tdmi_processor_functions
231 .long 0
232 .long 0
233 .long v4_cache_fns
234 .size __s3c3410_proc_info, . - __s3c3410_proc_info
235
236 .type __s3c44b0x_proc_info, #object
237__s3c44b0x_proc_info:
238 .long 0x44b00000
239 .long 0xffff0000
240 .long 0
241 .long 0
242 b __arm7tdmi_setup
243 .long cpu_arch_name
244 .long cpu_elf_name
245 .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
246 .long cpu_s3c44b0x_name
247 .long arm7tdmi_processor_functions
248 .long 0
249 .long 0
250 .long v4_cache_fns
251 .size __s3c44b0x_proc_info, . - __s3c44b0x_proc_info