projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame
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|---|---|---|
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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> | |
| 5ec9407d | 15 | #include <asm/hwcap.h> |
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16 | #include <asm/pgtable-hwdef.h> |
| 17 | #include <asm/pgtable.h> | |
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18 | #include <asm/ptrace.h> |
| 19 | ||
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20 | #include "proc-macros.S" |
| 21 | ||
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22 | .text |
| 23 | /* | |
| 24 | * cpu_arm9tdmi_proc_init() | |
| 25 | * cpu_arm9tdmi_do_idle() | |
| 26 | * cpu_arm9tdmi_dcache_clean_area() | |
| 27 | * cpu_arm9tdmi_switch_mm() | |
| 28 | * | |
| 29 | * These are not required. | |
| 30 | */ | |
| 31 | ENTRY(cpu_arm9tdmi_proc_init) | |
| 32 | ENTRY(cpu_arm9tdmi_do_idle) | |
| 33 | ENTRY(cpu_arm9tdmi_dcache_clean_area) | |
| 34 | ENTRY(cpu_arm9tdmi_switch_mm) | |
| 35 | mov pc, lr | |
| 36 | ||
| 37 | /* | |
| 38 | * cpu_arm9tdmi_proc_fin() | |
| 39 | */ | |
| 40 | ENTRY(cpu_arm9tdmi_proc_fin) | |
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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 | */ | |
| 1a4baafa | 48 | .pushsection .idmap.text, "ax" |
| 43f5f014 HC |
49 | ENTRY(cpu_arm9tdmi_reset) |
| 50 | mov pc, r0 | |
| 1a4baafa WD |
51 | ENDPROC(cpu_arm9tdmi_reset) |
| 52 | .popsection | |
| 43f5f014 | 53 | |
| 5085f3ff | 54 | __CPUINIT |
| 43f5f014 HC |
55 | |
| 56 | .type __arm9tdmi_setup, #function | |
| 57 | __arm9tdmi_setup: | |
| 58 | mov pc, lr | |
| 59 | .size __arm9tdmi_setup, . - __arm9tdmi_setup | |
| 60 | ||
| 61 | __INITDATA | |
| 62 | ||
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63 | @ define struct processor (see <asm/proc-fns.h> and proc-macros.S) |
| 64 | define_processor_functions arm9tdmi, dabort=nommu_early_abort, pabort=legacy_pabort, nommu=1 | |
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65 | |
| 66 | .section ".rodata" | |
| 67 | ||
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68 | string cpu_arch_name, "armv4t" |
| 69 | string cpu_elf_name, "v4" | |
| 70 | string cpu_arm9tdmi_name, "ARM9TDMI" | |
| 71 | string cpu_p2001_name, "P2001" | |
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72 | |
| 73 | .align | |
| 74 | ||
| 75 | .section ".proc.info.init", #alloc, #execinstr | |
| 76 | ||
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77 | .macro arm9tdmi_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req |
| 78 | .type __\name\()_proc_info, #object | |
| 79 | __\name\()_proc_info: | |
| 80 | .long \cpu_val | |
| 81 | .long \cpu_mask | |
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82 | .long 0 |
| 83 | .long 0 | |
| 84 | b __arm9tdmi_setup | |
| 85 | .long cpu_arch_name | |
| 86 | .long cpu_elf_name | |
| 87 | .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT | |
| b4a19f03 | 88 | .long \cpu_name |
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89 | .long arm9tdmi_processor_functions |
| 90 | .long 0 | |
| 91 | .long 0 | |
| 92 | .long v4_cache_fns | |
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93 | .size __\name\()_proc_info, . - __\name\()_proc_info |
| 94 | .endm | |
| 43f5f014 | 95 | |
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96 | arm9tdmi_proc_info arm9tdmi, 0x41009900, 0xfff8ff00, cpu_arm9tdmi_name |
| 97 | arm9tdmi_proc_info p2001, 0x41029000, 0xffffffff, cpu_p2001_name |