summaryrefslogtreecommitdiffstats
path: root/arch/arm/mm/proc-arm9tdmi.S
blob: db67e3134d7a50447268e815908e443206d0a7a4 (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
/*
 *  linux/arch/arm/mm/proc-arm9tdmi.S: utility functions for ARM9TDMI
 *
 *  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_arm9tdmi_proc_init()
 * cpu_arm9tdmi_do_idle()
 * cpu_arm9tdmi_dcache_clean_area()
 * cpu_arm9tdmi_switch_mm()
 *
 * These are not required.
 */
ENTRY(cpu_arm9tdmi_proc_init)
ENTRY(cpu_arm9tdmi_do_idle)
ENTRY(cpu_arm9tdmi_dcache_clean_area)
ENTRY(cpu_arm9tdmi_switch_mm)
		mov	pc, lr

/*
 * cpu_arm9tdmi_proc_fin()
 */
ENTRY(cpu_arm9tdmi_proc_fin)
		mov	pc, lr

/*
 * Function: cpu_arm9tdmi_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_arm9tdmi_reset)
		mov	pc, r0

		__CPUINIT

		.type	__arm9tdmi_setup, #function
__arm9tdmi_setup:
		mov	pc, lr
		.size	__arm9tdmi_setup, . - __arm9tdmi_setup

		__INITDATA

/*
 * Purpose : Function pointers used to access above functions - all calls
 *	     come through these
 */
		.type	arm9tdmi_processor_functions, #object
ENTRY(arm9tdmi_processor_functions)
		.word	nommu_early_abort
		.word	legacy_pabort
		.word	cpu_arm9tdmi_proc_init
		.word	cpu_arm9tdmi_proc_fin
		.word	cpu_arm9tdmi_reset
		.word	cpu_arm9tdmi_do_idle
		.word	cpu_arm9tdmi_dcache_clean_area
		.word	cpu_arm9tdmi_switch_mm
		.word	0		@ cpu_*_set_pte
		.size	arm9tdmi_processor_functions, . - arm9tdmi_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_arm9tdmi_name, #object
cpu_arm9tdmi_name:
		.asciz	"ARM9TDMI"
		.size	cpu_arm9tdmi_name, . - cpu_arm9tdmi_name

		.type	cpu_p2001_name, #object
cpu_p2001_name:
		.asciz	"P2001"
		.size	cpu_p2001_name, . - cpu_p2001_name

		.align

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

		.type	__arm9tdmi_proc_info, #object
__arm9tdmi_proc_info:
		.long	0x41009900
		.long	0xfff8ff00
		.long	0
		.long	0
		b	__arm9tdmi_setup
		.long	cpu_arch_name
		.long	cpu_elf_name
		.long	HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
		.long	cpu_arm9tdmi_name
		.long	arm9tdmi_processor_functions
		.long	0
		.long	0
		.long	v4_cache_fns
		.size	__arm9tdmi_proc_info, . - __arm9dmi_proc_info

		.type	__p2001_proc_info, #object
__p2001_proc_info:
		.long	0x41029000
		.long	0xffffffff
		.long	0
		.long	0
		b	__arm9tdmi_setup
		.long	cpu_arch_name
		.long	cpu_elf_name
		.long	HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
		.long	cpu_p2001_name
		.long	arm9tdmi_processor_functions
		.long	0
		.long	0
		.long	v4_cache_fns
		.size	__p2001_proc_info, . - __p2001_proc_info