aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mm/proc-arm7tdmi.S
blob: 1201b98638298087063d3ec02eefd3a7e58d9aa6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
/*
 *  linux/arch/arm/mm/proc-arm7tdmi.S: utility functions for ARM7TDMI
 *
 *  Copyright (C) 2003-2006 Hyok S. Choi <hyok.choi@samsung.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 */
#include <linux/linkage.h>
#include <linux/init.h>
#include <asm/assembler.h>
#include <asm/asm-offsets.h>
#include <asm/hwcap.h>
#include <asm/pgtable-hwdef.h>
#include <asm/pgtable.h>
#include <asm/ptrace.h>

	.text
/*
 * cpu_arm7tdmi_proc_init()
 * cpu_arm7tdmi_do_idle()
 * cpu_arm7tdmi_dcache_clean_area()
 * cpu_arm7tdmi_switch_mm()
 *
 * These are not required.
 */
ENTRY(cpu_arm7tdmi_proc_init)
ENTRY(cpu_arm7tdmi_do_idle)
ENTRY(cpu_arm7tdmi_dcache_clean_area)
ENTRY(cpu_arm7tdmi_switch_mm)
		mov	pc, lr

/*
 * cpu_arm7tdmi_proc_fin()
 */
ENTRY(cpu_arm7tdmi_proc_fin)
		mov	r0, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
		msr	cpsr_c, r0
		mov	pc, lr

/*
 * Function: cpu_arm7tdmi_reset(loc)
 * Params  : loc(r0)	address to jump to
 * Purpose : Sets up everything for a reset and jump to the location for soft reset.
 */
ENTRY(cpu_arm7tdmi_reset)
		mov	pc, r0

		__INIT

		.type	__arm7tdmi_setup, #function
__arm7tdmi_setup:
		mov	pc, lr
		.size	__arm7tdmi_setup, . - __arm7tdmi_setup

		__INITDATA

/*
 * Purpose : Function pointers used to access above functions - all calls
 *	     come through these
 */
		.type	arm7tdmi_processor_functions, #object
ENTRY(arm7tdmi_processor_functions)
		.word	v4t_late_abort
		.word	legacy_pabort
		.word	cpu_arm7tdmi_proc_init
		.word	cpu_arm7tdmi_proc_fin
		.word	cpu_arm7tdmi_reset
		.word	cpu_arm7tdmi_do_idle
		.word	cpu_arm7tdmi_dcache_clean_area
		.word	cpu_arm7tdmi_switch_mm
		.word	0		@ cpu_*_set_pte
		.size	arm7tdmi_processor_functions, . - arm7tdmi_processor_functions

		.section ".rodata"

		.type	cpu_arch_name, #object
cpu_arch_name:
		.asciz	"armv4t"
		.size	cpu_arch_name, . - cpu_arch_name

		.type	cpu_elf_name, #object
cpu_elf_name:
		.asciz	"v4"
		.size	cpu_elf_name, . - cpu_elf_name

		.type	cpu_arm7tdmi_name, #object
cpu_arm7tdmi_name:
		.asciz	"ARM7TDMI"
		.size	cpu_arm7tdmi_name, . - cpu_arm7tdmi_name

		.type	cpu_triscenda7_name, #object
cpu_triscenda7_name:
		.asciz	"Triscend-A7x"
		.size	cpu_triscenda7_name, . - cpu_triscenda7_name

		.type	cpu_at91_name, #object
cpu_at91_name:
		.asciz	"Atmel-AT91M40xxx"
		.size	cpu_at91_name, . - cpu_at91_name

		.type	cpu_s3c3410_name, #object
cpu_s3c3410_name:
		.asciz	"Samsung-S3C3410"
		.size	cpu_s3c3410_name, . - cpu_s3c3410_name

		.type	cpu_s3c44b0x_name, #object
cpu_s3c44b0x_name:
		.asciz	"Samsung-S3C44B0x"
		.size	cpu_s3c44b0x_name, . - cpu_s3c44b0x_name

		.type	cpu_s3c4510b, #object
cpu_s3c4510b_name:
		.asciz	"Samsung-S3C4510B"
		.size	cpu_s3c4510b_name, . - cpu_s3c4510b_name

		.type	cpu_s3c4530_name, #object
cpu_s3c4530_name:
		.asciz	"Samsung-S3C4530"
		.size	cpu_s3c4530_name, . - cpu_s3c4530_name

		.type	cpu_netarm_name, #object
cpu_netarm_name:
		.asciz	"NETARM"
		.size	cpu_netarm_name, . - cpu_netarm_name

		.align

		.section ".proc.info.init", #alloc, #execinstr

		.type	__arm7tdmi_proc_info, #object
__arm7tdmi_proc_info:
		.long	0x41007700
		.long	0xfff8ff00
		.long	0
		.long	0
		b	__arm7tdmi_setup
		.long	cpu_arch_name
		.long	cpu_elf_name
		.long	HWCAP_SWP | HWCAP_26BIT
		.long	cpu_arm7tdmi_name
		.long	arm7tdmi_processor_functions
		.long	0
		.long	0
		.long	v4_cache_fns
		.size	__arm7tdmi_proc_info, . - __arm7dmi_proc_info

		.type	__triscenda7_proc_info, #object
__triscenda7_proc_info:
		.long	0x0001d2ff
		.long	0x0001ffff
		.long	0
		.long	0
		b	__arm7tdmi_setup
		.long	cpu_arch_name
		.long	cpu_elf_name
		.long	HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
		.long	cpu_triscenda7_name
		.long	arm7tdmi_processor_functions
		.long	0
		.long	0
		.long	v4_cache_fns
		.size	__triscenda7_proc_info, . - __triscenda7_proc_info

		.type	__at91_proc_info, #object
__at91_proc_info:
		.long	0x14000040
		.long	0xfff000e0
		.long	0
		.long	0
		b	__arm7tdmi_setup
		.long	cpu_arch_name
		.long	cpu_elf_name
		.long	HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
		.long	cpu_at91_name
		.long	arm7tdmi_processor_functions
		.long	0
		.long	0
		.long	v4_cache_fns
		.size	__at91_proc_info, . - __at91_proc_info

		.type	__s3c4510b_proc_info, #object
__s3c4510b_proc_info:
		.long	0x36365000
		.long	0xfffff000
		.long	0
		.long	0
		b	__arm7tdmi_setup
		.long	cpu_arch_name
		.long	cpu_elf_name
		.long	HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
		.long	cpu_s3c4510b_name
		.long	arm7tdmi_processor_functions
		.long	0
		.long	0
		.long	v4_cache_fns
		.size	__s3c4510b_proc_info, . - __s3c4510b_proc_info

		.type	__s3c4530_proc_info, #object
__s3c4530_proc_info:
		.long	0x4c000000
		.long	0xfff000e0
		.long	0
		.long	0
		b	__arm7tdmi_setup
		.long	cpu_arch_name
		.long	cpu_elf_name
		.long	HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
		.long	cpu_s3c4530_name
		.long	arm7tdmi_processor_functions
		.long	0
		.long	0
		.long	v4_cache_fns
		.size	__s3c4530_proc_info, . - __s3c4530_proc_info

		.type	__s3c3410_proc_info, #object
__s3c3410_proc_info:
		.long	0x34100000
		.long	0xffff0000
		.long	0
		.long	0
		b	__arm7tdmi_setup
		.long	cpu_arch_name
		.long	cpu_elf_name
		.long	HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
		.long	cpu_s3c3410_name
		.long	arm7tdmi_processor_functions
		.long	0
		.long	0
		.long	v4_cache_fns
		.size	__s3c3410_proc_info, . - __s3c3410_proc_info

		.type	__s3c44b0x_proc_info, #object
__s3c44b0x_proc_info:
		.long	0x44b00000
		.long	0xffff0000
		.long	0
		.long	0
		b	__arm7tdmi_setup
		.long	cpu_arch_name
		.long	cpu_elf_name
		.long	HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
		.long	cpu_s3c44b0x_name
		.long	arm7tdmi_processor_functions
		.long	0
		.long	0
		.long	v4_cache_fns
		.size	__s3c44b0x_proc_info, . - __s3c44b0x_proc_info