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07e0da78 HC |
1 | /* |
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> | |
ee90dabc | 15 | #include <asm/elf.h> |
07e0da78 HC |
16 | #include <asm/pgtable-hwdef.h> |
17 | #include <asm/pgtable.h> | |
07e0da78 HC |
18 | #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 | */ | |
29 | ENTRY(cpu_arm7tdmi_proc_init) | |
30 | ENTRY(cpu_arm7tdmi_do_idle) | |
31 | ENTRY(cpu_arm7tdmi_dcache_clean_area) | |
32 | ENTRY(cpu_arm7tdmi_switch_mm) | |
33 | mov pc, lr | |
34 | ||
35 | /* | |
36 | * cpu_arm7tdmi_proc_fin() | |
37 | */ | |
38 | ENTRY(cpu_arm7tdmi_proc_fin) | |
39 | mov r0, #PSR_F_BIT | PSR_I_BIT | SVC_MODE | |
40 | msr cpsr_c, r0 | |
41 | mov pc, lr | |
42 | ||
43 | /* | |
44 | * Function: cpu_arm7tdmi_reset(loc) | |
45 | * Params : loc(r0) address to jump to | |
46 | * Purpose : Sets up everything for a reset and jump to the location for soft reset. | |
47 | */ | |
48 | ENTRY(cpu_arm7tdmi_reset) | |
49 | mov pc, r0 | |
50 | ||
51 | __INIT | |
52 | ||
53 | .type __arm7tdmi_setup, #function | |
54 | __arm7tdmi_setup: | |
55 | mov pc, lr | |
56 | .size __arm7tdmi_setup, . - __arm7tdmi_setup | |
57 | ||
58 | __INITDATA | |
59 | ||
60 | /* | |
61 | * Purpose : Function pointers used to access above functions - all calls | |
62 | * come through these | |
63 | */ | |
64 | .type arm7tdmi_processor_functions, #object | |
65 | ENTRY(arm7tdmi_processor_functions) | |
66 | .word v4t_late_abort | |
67 | .word cpu_arm7tdmi_proc_init | |
68 | .word cpu_arm7tdmi_proc_fin | |
69 | .word cpu_arm7tdmi_reset | |
70 | .word cpu_arm7tdmi_do_idle | |
71 | .word cpu_arm7tdmi_dcache_clean_area | |
72 | .word cpu_arm7tdmi_switch_mm | |
73 | .word 0 @ cpu_*_set_pte | |
74 | .size arm7tdmi_processor_functions, . - arm7tdmi_processor_functions | |
75 | ||
76 | .section ".rodata" | |
77 | ||
78 | .type cpu_arch_name, #object | |
79 | cpu_arch_name: | |
80 | .asciz "armv4t" | |
81 | .size cpu_arch_name, . - cpu_arch_name | |
82 | ||
83 | .type cpu_elf_name, #object | |
84 | cpu_elf_name: | |
85 | .asciz "v4" | |
86 | .size cpu_elf_name, . - cpu_elf_name | |
87 | ||
88 | .type cpu_arm7tdmi_name, #object | |
89 | cpu_arm7tdmi_name: | |
90 | .asciz "ARM7TDMI" | |
91 | .size cpu_arm7tdmi_name, . - cpu_arm7tdmi_name | |
92 | ||
93 | .type cpu_triscenda7_name, #object | |
94 | cpu_triscenda7_name: | |
95 | .asciz "Triscend-A7x" | |
96 | .size cpu_triscenda7_name, . - cpu_triscenda7_name | |
97 | ||
98 | .type cpu_at91_name, #object | |
99 | cpu_at91_name: | |
100 | .asciz "Atmel-AT91M40xxx" | |
101 | .size cpu_at91_name, . - cpu_at91_name | |
102 | ||
103 | .type cpu_s3c3410_name, #object | |
104 | cpu_s3c3410_name: | |
105 | .asciz "Samsung-S3C3410" | |
106 | .size cpu_s3c3410_name, . - cpu_s3c3410_name | |
107 | ||
108 | .type cpu_s3c44b0x_name, #object | |
109 | cpu_s3c44b0x_name: | |
110 | .asciz "Samsung-S3C44B0x" | |
111 | .size cpu_s3c44b0x_name, . - cpu_s3c44b0x_name | |
112 | ||
113 | .type cpu_s3c4510b, #object | |
114 | cpu_s3c4510b_name: | |
115 | .asciz "Samsung-S3C4510B" | |
116 | .size cpu_s3c4510b_name, . - cpu_s3c4510b_name | |
117 | ||
118 | .type cpu_s3c4530_name, #object | |
119 | cpu_s3c4530_name: | |
120 | .asciz "Samsung-S3C4530" | |
121 | .size cpu_s3c4530_name, . - cpu_s3c4530_name | |
122 | ||
123 | .type cpu_netarm_name, #object | |
124 | cpu_netarm_name: | |
125 | .asciz "NETARM" | |
126 | .size cpu_netarm_name, . - cpu_netarm_name | |
127 | ||
128 | .align | |
129 | ||
130 | .section ".proc.info.init", #alloc, #execinstr | |
131 | ||
132 | .type __arm7tdmi_proc_info, #object | |
133 | __arm7tdmi_proc_info: | |
134 | .long 0x41007700 | |
135 | .long 0xfff8ff00 | |
136 | .long 0 | |
137 | .long 0 | |
138 | b __arm7tdmi_setup | |
139 | .long cpu_arch_name | |
140 | .long cpu_elf_name | |
141 | .long HWCAP_SWP | HWCAP_26BIT | |
142 | .long cpu_arm7tdmi_name | |
143 | .long arm7tdmi_processor_functions | |
144 | .long 0 | |
145 | .long 0 | |
146 | .long v4_cache_fns | |
147 | .size __arm7tdmi_proc_info, . - __arm7dmi_proc_info | |
148 | ||
149 | .type __triscenda7_proc_info, #object | |
150 | __triscenda7_proc_info: | |
151 | .long 0x0001d2ff | |
152 | .long 0x0001ffff | |
153 | .long 0 | |
154 | .long 0 | |
155 | b __arm7tdmi_setup | |
156 | .long cpu_arch_name | |
157 | .long cpu_elf_name | |
158 | .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT | |
159 | .long cpu_triscenda7_name | |
160 | .long arm7tdmi_processor_functions | |
161 | .long 0 | |
162 | .long 0 | |
163 | .long v4_cache_fns | |
164 | .size __triscenda7_proc_info, . - __triscenda7_proc_info | |
165 | ||
166 | .type __at91_proc_info, #object | |
167 | __at91_proc_info: | |
168 | .long 0x14000040 | |
169 | .long 0xfff000e0 | |
170 | .long 0 | |
171 | .long 0 | |
172 | b __arm7tdmi_setup | |
173 | .long cpu_arch_name | |
174 | .long cpu_elf_name | |
175 | .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT | |
176 | .long cpu_at91_name | |
177 | .long arm7tdmi_processor_functions | |
178 | .long 0 | |
179 | .long 0 | |
180 | .long v4_cache_fns | |
181 | .size __at91_proc_info, . - __at91_proc_info | |
182 | ||
183 | .type __s3c4510b_proc_info, #object | |
184 | __s3c4510b_proc_info: | |
185 | .long 0x36365000 | |
186 | .long 0xfffff000 | |
187 | .long 0 | |
188 | .long 0 | |
189 | b __arm7tdmi_setup | |
190 | .long cpu_arch_name | |
191 | .long cpu_elf_name | |
192 | .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT | |
193 | .long cpu_s3c4510b_name | |
194 | .long arm7tdmi_processor_functions | |
195 | .long 0 | |
196 | .long 0 | |
197 | .long v4_cache_fns | |
198 | .size __s3c4510b_proc_info, . - __s3c4510b_proc_info | |
199 | ||
200 | .type __s3c4530_proc_info, #object | |
201 | __s3c4530_proc_info: | |
202 | .long 0x4c000000 | |
203 | .long 0xfff000e0 | |
204 | .long 0 | |
205 | .long 0 | |
206 | b __arm7tdmi_setup | |
207 | .long cpu_arch_name | |
208 | .long cpu_elf_name | |
209 | .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT | |
210 | .long cpu_s3c4530_name | |
211 | .long arm7tdmi_processor_functions | |
212 | .long 0 | |
213 | .long 0 | |
214 | .long v4_cache_fns | |
215 | .size __s3c4530_proc_info, . - __s3c4530_proc_info | |
216 | ||
217 | .type __s3c3410_proc_info, #object | |
218 | __s3c3410_proc_info: | |
219 | .long 0x34100000 | |
220 | .long 0xffff0000 | |
221 | .long 0 | |
222 | .long 0 | |
223 | b __arm7tdmi_setup | |
224 | .long cpu_arch_name | |
225 | .long cpu_elf_name | |
226 | .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT | |
227 | .long cpu_s3c3410_name | |
228 | .long arm7tdmi_processor_functions | |
229 | .long 0 | |
230 | .long 0 | |
231 | .long v4_cache_fns | |
232 | .size __s3c3410_proc_info, . - __s3c3410_proc_info | |
233 | ||
234 | .type __s3c44b0x_proc_info, #object | |
235 | __s3c44b0x_proc_info: | |
236 | .long 0x44b00000 | |
237 | .long 0xffff0000 | |
238 | .long 0 | |
239 | .long 0 | |
240 | b __arm7tdmi_setup | |
241 | .long cpu_arch_name | |
242 | .long cpu_elf_name | |
243 | .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT | |
244 | .long cpu_s3c44b0x_name | |
245 | .long arm7tdmi_processor_functions | |
246 | .long 0 | |
247 | .long 0 | |
248 | .long v4_cache_fns | |
249 | .size __s3c44b0x_proc_info, . - __s3c44b0x_proc_info |