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gerrit-public.fairphone.software / kernel / msm / 9b727abdff93b0039fba94e96216fc280af4cf01 / . / arch / arm / mm / proc-arm9tdmi.S
blob: c85c1f50e396ef1d82e6ba6f7ef736ddbd3f22d8 [file] [log] [blame]
Hyok S. Choi43f5f012006-09-26 17:38:05 +0900[diff] [blame]1/*
2 * linux/arch/arm/mm/proc-arm9tdmi.S: utility functions for ARM9TDMI
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 Kingee90dab2006-11-09 14:20:47 +0000[diff] [blame]15#include <asm/elf.h>
Hyok S. Choi43f5f012006-09-26 17:38:05 +0900[diff] [blame]16#include <asm/pgtable-hwdef.h>
17#include <asm/pgtable.h>
Hyok S. Choi43f5f012006-09-26 17:38:05 +0900[diff] [blame]18#include <asm/ptrace.h>
19
20 .text
21/*
22 * cpu_arm9tdmi_proc_init()
23 * cpu_arm9tdmi_do_idle()
24 * cpu_arm9tdmi_dcache_clean_area()
25 * cpu_arm9tdmi_switch_mm()
26 *
27 * These are not required.
28 */
29ENTRY(cpu_arm9tdmi_proc_init)
30ENTRY(cpu_arm9tdmi_do_idle)
31ENTRY(cpu_arm9tdmi_dcache_clean_area)
32ENTRY(cpu_arm9tdmi_switch_mm)
33 mov pc, lr
34
35/*
36 * cpu_arm9tdmi_proc_fin()
37 */
38ENTRY(cpu_arm9tdmi_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_arm9tdmi_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_arm9tdmi_reset)
49 mov pc, r0
50
51 __INIT
52
53 .type __arm9tdmi_setup, #function
54__arm9tdmi_setup:
55 mov pc, lr
56 .size __arm9tdmi_setup, . - __arm9tdmi_setup
57
58 __INITDATA
59
60/*
61 * Purpose : Function pointers used to access above functions - all calls
62 * come through these
63 */
64 .type arm9tdmi_processor_functions, #object
65ENTRY(arm9tdmi_processor_functions)
Hyok S. Choi0f45d7f2006-09-28 21:46:16 +0900[diff] [blame]66 .word nommu_early_abort
Catalin Marinas4a1fd552008-04-21 18:42:04 +0100[diff] [blame]67 .word pabort_noifar
Hyok S. Choi43f5f012006-09-26 17:38:05 +0900[diff] [blame]68 .word cpu_arm9tdmi_proc_init
69 .word cpu_arm9tdmi_proc_fin
70 .word cpu_arm9tdmi_reset
71 .word cpu_arm9tdmi_do_idle
72 .word cpu_arm9tdmi_dcache_clean_area
73 .word cpu_arm9tdmi_switch_mm
74 .word 0 @ cpu_*_set_pte
75 .size arm9tdmi_processor_functions, . - arm9tdmi_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_arm9tdmi_name, #object
90cpu_arm9tdmi_name:
91 .asciz "ARM9TDMI"
92 .size cpu_arm9tdmi_name, . - cpu_arm9tdmi_name
93
94 .type cpu_p2001_name, #object
95cpu_p2001_name:
96 .asciz "P2001"
97 .size cpu_p2001_name, . - cpu_p2001_name
98
99 .align
100
101 .section ".proc.info.init", #alloc, #execinstr
102
103 .type __arm9tdmi_proc_info, #object
104__arm9tdmi_proc_info:
105 .long 0x41009900
106 .long 0xfff8ff00
107 .long 0
108 .long 0
109 b __arm9tdmi_setup
110 .long cpu_arch_name
111 .long cpu_elf_name
112 .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
113 .long cpu_arm9tdmi_name
114 .long arm9tdmi_processor_functions
115 .long 0
116 .long 0
117 .long v4_cache_fns
118 .size __arm9tdmi_proc_info, . - __arm9dmi_proc_info
119
120 .type __p2001_proc_info, #object
121__p2001_proc_info:
122 .long 0x41029000
123 .long 0xffffffff
124 .long 0
125 .long 0
126 b __arm9tdmi_setup
127 .long cpu_arch_name
128 .long cpu_elf_name
129 .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
130 .long cpu_p2001_name
131 .long arm9tdmi_processor_functions
132 .long 0
133 .long 0
134 .long v4_cache_fns
135 .size __p2001_proc_info, . - __p2001_proc_info