| Hyok S. Choi | 43f5f01 | 2006-09-26 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> | 
|  | 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_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 | */ | 
|  | 29 | ENTRY(cpu_arm9tdmi_proc_init) | 
|  | 30 | ENTRY(cpu_arm9tdmi_do_idle) | 
|  | 31 | ENTRY(cpu_arm9tdmi_dcache_clean_area) | 
|  | 32 | ENTRY(cpu_arm9tdmi_switch_mm) | 
|  | 33 | mov	pc, lr | 
|  | 34 |  | 
|  | 35 | /* | 
|  | 36 | * cpu_arm9tdmi_proc_fin() | 
|  | 37 | */ | 
|  | 38 | ENTRY(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 | */ | 
|  | 48 | ENTRY(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 | 
|  | 65 | ENTRY(arm9tdmi_processor_functions) | 
| Hyok S. Choi | 0f45d7f | 2006-09-28 21:46:16 +0900 | [diff] [blame] | 66 | .word	nommu_early_abort | 
| Hyok S. Choi | 43f5f01 | 2006-09-26 17:38:05 +0900 | [diff] [blame] | 67 | .word	cpu_arm9tdmi_proc_init | 
|  | 68 | .word	cpu_arm9tdmi_proc_fin | 
|  | 69 | .word	cpu_arm9tdmi_reset | 
|  | 70 | .word	cpu_arm9tdmi_do_idle | 
|  | 71 | .word	cpu_arm9tdmi_dcache_clean_area | 
|  | 72 | .word	cpu_arm9tdmi_switch_mm | 
|  | 73 | .word	0		@ cpu_*_set_pte | 
|  | 74 | .size	arm9tdmi_processor_functions, . - arm9tdmi_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_arm9tdmi_name, #object | 
|  | 89 | cpu_arm9tdmi_name: | 
|  | 90 | .asciz	"ARM9TDMI" | 
|  | 91 | .size	cpu_arm9tdmi_name, . - cpu_arm9tdmi_name | 
|  | 92 |  | 
|  | 93 | .type	cpu_p2001_name, #object | 
|  | 94 | cpu_p2001_name: | 
|  | 95 | .asciz	"P2001" | 
|  | 96 | .size	cpu_p2001_name, . - cpu_p2001_name | 
|  | 97 |  | 
|  | 98 | .align | 
|  | 99 |  | 
|  | 100 | .section ".proc.info.init", #alloc, #execinstr | 
|  | 101 |  | 
|  | 102 | .type	__arm9tdmi_proc_info, #object | 
|  | 103 | __arm9tdmi_proc_info: | 
|  | 104 | .long	0x41009900 | 
|  | 105 | .long	0xfff8ff00 | 
|  | 106 | .long	0 | 
|  | 107 | .long	0 | 
|  | 108 | b	__arm9tdmi_setup | 
|  | 109 | .long	cpu_arch_name | 
|  | 110 | .long	cpu_elf_name | 
|  | 111 | .long	HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT | 
|  | 112 | .long	cpu_arm9tdmi_name | 
|  | 113 | .long	arm9tdmi_processor_functions | 
|  | 114 | .long	0 | 
|  | 115 | .long	0 | 
|  | 116 | .long	v4_cache_fns | 
|  | 117 | .size	__arm9tdmi_proc_info, . - __arm9dmi_proc_info | 
|  | 118 |  | 
|  | 119 | .type	__p2001_proc_info, #object | 
|  | 120 | __p2001_proc_info: | 
|  | 121 | .long	0x41029000 | 
|  | 122 | .long	0xffffffff | 
|  | 123 | .long	0 | 
|  | 124 | .long	0 | 
|  | 125 | b	__arm9tdmi_setup | 
|  | 126 | .long	cpu_arch_name | 
|  | 127 | .long	cpu_elf_name | 
|  | 128 | .long	HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT | 
|  | 129 | .long	cpu_p2001_name | 
|  | 130 | .long	arm9tdmi_processor_functions | 
|  | 131 | .long	0 | 
|  | 132 | .long	0 | 
|  | 133 | .long	v4_cache_fns | 
|  | 134 | .size	__p2001_proc_info, . - __p2001_proc_info |