proc-arm7tdmi.S 5.6 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14
/*
 *  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>
15
#include <asm/hwcap.h>
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
#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	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
65
		.word	legacy_pabort
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
		.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