projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 43f5f014 HC |
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> | |
| ee90dabc | 15 | #include <asm/elf.h> |
| 43f5f014 HC |
16 | #include <asm/pgtable-hwdef.h> |
| 17 | #include <asm/pgtable.h> | |
| 43f5f014 HC |
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) | |
| 0f45d7f3 | 66 | .word nommu_early_abort |
| 43f5f014 HC |
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 |