blob: 93e05fa7bed44933341d6d4c42db7655b6fafb15 [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)
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 */
48ENTRY(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
65ENTRY(arm7tdmi_processor_functions)
66 .word v4t_late_abort
Catalin Marinas4a1fd552008-04-21 18:42:04 +010067 .word pabort_noifar
Hyok S. Choi07e0da72006-09-26 17:37:36 +090068 .word cpu_arm7tdmi_proc_init
69 .word cpu_arm7tdmi_proc_fin
70 .word cpu_arm7tdmi_reset
71 .word cpu_arm7tdmi_do_idle
72 .word cpu_arm7tdmi_dcache_clean_area
73 .word cpu_arm7tdmi_switch_mm
74 .word 0 @ cpu_*_set_pte
75 .size arm7tdmi_processor_functions, . - arm7tdmi_processor_functions
76
77 .section ".rodata"
78
79 .type cpu_arch_name, #object
80cpu_arch_name:
81 .asciz "armv4t"
82 .size cpu_arch_name, . - cpu_arch_name
83
84 .type cpu_elf_name, #object
85cpu_elf_name:
86 .asciz "v4"
87 .size cpu_elf_name, . - cpu_elf_name
88
89 .type cpu_arm7tdmi_name, #object
90cpu_arm7tdmi_name:
91 .asciz "ARM7TDMI"
92 .size cpu_arm7tdmi_name, . - cpu_arm7tdmi_name
93
94 .type cpu_triscenda7_name, #object
95cpu_triscenda7_name:
96 .asciz "Triscend-A7x"
97 .size cpu_triscenda7_name, . - cpu_triscenda7_name
98
99 .type cpu_at91_name, #object
100cpu_at91_name:
101 .asciz "Atmel-AT91M40xxx"
102 .size cpu_at91_name, . - cpu_at91_name
103
104 .type cpu_s3c3410_name, #object
105cpu_s3c3410_name:
106 .asciz "Samsung-S3C3410"
107 .size cpu_s3c3410_name, . - cpu_s3c3410_name
108
109 .type cpu_s3c44b0x_name, #object
110cpu_s3c44b0x_name:
111 .asciz "Samsung-S3C44B0x"
112 .size cpu_s3c44b0x_name, . - cpu_s3c44b0x_name
113
114 .type cpu_s3c4510b, #object
115cpu_s3c4510b_name:
116 .asciz "Samsung-S3C4510B"
117 .size cpu_s3c4510b_name, . - cpu_s3c4510b_name
118
119 .type cpu_s3c4530_name, #object
120cpu_s3c4530_name:
121 .asciz "Samsung-S3C4530"
122 .size cpu_s3c4530_name, . - cpu_s3c4530_name
123
124 .type cpu_netarm_name, #object
125cpu_netarm_name:
126 .asciz "NETARM"
127 .size cpu_netarm_name, . - cpu_netarm_name
128
129 .align
130
131 .section ".proc.info.init", #alloc, #execinstr
132
133 .type __arm7tdmi_proc_info, #object
134__arm7tdmi_proc_info:
135 .long 0x41007700
136 .long 0xfff8ff00
137 .long 0
138 .long 0
139 b __arm7tdmi_setup
140 .long cpu_arch_name
141 .long cpu_elf_name
142 .long HWCAP_SWP | HWCAP_26BIT
143 .long cpu_arm7tdmi_name
144 .long arm7tdmi_processor_functions
145 .long 0
146 .long 0
147 .long v4_cache_fns
148 .size __arm7tdmi_proc_info, . - __arm7dmi_proc_info
149
150 .type __triscenda7_proc_info, #object
151__triscenda7_proc_info:
152 .long 0x0001d2ff
153 .long 0x0001ffff
154 .long 0
155 .long 0
156 b __arm7tdmi_setup
157 .long cpu_arch_name
158 .long cpu_elf_name
159 .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
160 .long cpu_triscenda7_name
161 .long arm7tdmi_processor_functions
162 .long 0
163 .long 0
164 .long v4_cache_fns
165 .size __triscenda7_proc_info, . - __triscenda7_proc_info
166
167 .type __at91_proc_info, #object
168__at91_proc_info:
169 .long 0x14000040
170 .long 0xfff000e0
171 .long 0
172 .long 0
173 b __arm7tdmi_setup
174 .long cpu_arch_name
175 .long cpu_elf_name
176 .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
177 .long cpu_at91_name
178 .long arm7tdmi_processor_functions
179 .long 0
180 .long 0
181 .long v4_cache_fns
182 .size __at91_proc_info, . - __at91_proc_info
183
184 .type __s3c4510b_proc_info, #object
185__s3c4510b_proc_info:
186 .long 0x36365000
187 .long 0xfffff000
188 .long 0
189 .long 0
190 b __arm7tdmi_setup
191 .long cpu_arch_name
192 .long cpu_elf_name
193 .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
194 .long cpu_s3c4510b_name
195 .long arm7tdmi_processor_functions
196 .long 0
197 .long 0
198 .long v4_cache_fns
199 .size __s3c4510b_proc_info, . - __s3c4510b_proc_info
200
201 .type __s3c4530_proc_info, #object
202__s3c4530_proc_info:
203 .long 0x4c000000
204 .long 0xfff000e0
205 .long 0
206 .long 0
207 b __arm7tdmi_setup
208 .long cpu_arch_name
209 .long cpu_elf_name
210 .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
211 .long cpu_s3c4530_name
212 .long arm7tdmi_processor_functions
213 .long 0
214 .long 0
215 .long v4_cache_fns
216 .size __s3c4530_proc_info, . - __s3c4530_proc_info
217
218 .type __s3c3410_proc_info, #object
219__s3c3410_proc_info:
220 .long 0x34100000
221 .long 0xffff0000
222 .long 0
223 .long 0
224 b __arm7tdmi_setup
225 .long cpu_arch_name
226 .long cpu_elf_name
227 .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
228 .long cpu_s3c3410_name
229 .long arm7tdmi_processor_functions
230 .long 0
231 .long 0
232 .long v4_cache_fns
233 .size __s3c3410_proc_info, . - __s3c3410_proc_info
234
235 .type __s3c44b0x_proc_info, #object
236__s3c44b0x_proc_info:
237 .long 0x44b00000
238 .long 0xffff0000
239 .long 0
240 .long 0
241 b __arm7tdmi_setup
242 .long cpu_arch_name
243 .long cpu_elf_name
244 .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
245 .long cpu_s3c44b0x_name
246 .long arm7tdmi_processor_functions
247 .long 0
248 .long 0
249 .long v4_cache_fns
250 .size __s3c44b0x_proc_info, . - __s3c44b0x_proc_info