[ARM] nommu: add ARM7TDMI core support
[linux-3.10.git] / arch / arm / mm / proc-arm7tdmi.S
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>
15 #include <asm/pgtable-hwdef.h>
16 #include <asm/pgtable.h>
17 #include <asm/procinfo.h>
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