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07e0da78 HC |
1 | /* |
2 | * linux/arch/arm/mm/proc-arm7tdmi.S: utility functions for ARM7TDMI | |
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 | ||
fd10e272 DM |
20 | #include "proc-macros.S" |
21 | ||
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22 | .text |
23 | /* | |
24 | * cpu_arm7tdmi_proc_init() | |
25 | * cpu_arm7tdmi_do_idle() | |
26 | * cpu_arm7tdmi_dcache_clean_area() | |
27 | * cpu_arm7tdmi_switch_mm() | |
28 | * | |
29 | * These are not required. | |
30 | */ | |
31 | ENTRY(cpu_arm7tdmi_proc_init) | |
32 | ENTRY(cpu_arm7tdmi_do_idle) | |
33 | ENTRY(cpu_arm7tdmi_dcache_clean_area) | |
34 | ENTRY(cpu_arm7tdmi_switch_mm) | |
6ebbf2ce | 35 | ret lr |
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36 | |
37 | /* | |
38 | * cpu_arm7tdmi_proc_fin() | |
39 | */ | |
40 | ENTRY(cpu_arm7tdmi_proc_fin) | |
6ebbf2ce | 41 | ret lr |
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42 | |
43 | /* | |
44 | * Function: cpu_arm7tdmi_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" |
07e0da78 | 49 | ENTRY(cpu_arm7tdmi_reset) |
6ebbf2ce | 50 | ret r0 |
1a4baafa WD |
51 | ENDPROC(cpu_arm7tdmi_reset) |
52 | .popsection | |
07e0da78 | 53 | |
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54 | .type __arm7tdmi_setup, #function |
55 | __arm7tdmi_setup: | |
6ebbf2ce | 56 | ret lr |
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57 | .size __arm7tdmi_setup, . - __arm7tdmi_setup |
58 | ||
59 | __INITDATA | |
60 | ||
fd10e272 DM |
61 | @ define struct processor (see <asm/proc-fns.h> and proc-macros.S) |
62 | define_processor_functions arm7tdmi, dabort=v4t_late_abort, pabort=legacy_pabort, nommu=1 | |
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63 | |
64 | .section ".rodata" | |
65 | ||
fd10e272 DM |
66 | string cpu_arch_name, "armv4t" |
67 | string cpu_elf_name, "v4" | |
68 | string cpu_arm7tdmi_name, "ARM7TDMI" | |
69 | string cpu_triscenda7_name, "Triscend-A7x" | |
70 | string cpu_at91_name, "Atmel-AT91M40xxx" | |
71 | string cpu_s3c3410_name, "Samsung-S3C3410" | |
72 | string cpu_s3c44b0x_name, "Samsung-S3C44B0x" | |
73 | string cpu_s3c4510b_name, "Samsung-S3C4510B" | |
74 | string cpu_s3c4530_name, "Samsung-S3C4530" | |
75 | string cpu_netarm_name, "NETARM" | |
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76 | |
77 | .align | |
78 | ||
bf35706f | 79 | .section ".proc.info.init", #alloc |
07e0da78 | 80 | |
fd10e272 DM |
81 | .macro arm7tdmi_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req, \ |
82 | extra_hwcaps=0 | |
83 | .type __\name\()_proc_info, #object | |
84 | __\name\()_proc_info: | |
85 | .long \cpu_val | |
86 | .long \cpu_mask | |
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87 | .long 0 |
88 | .long 0 | |
bf35706f | 89 | initfn __arm7tdmi_setup, __\name\()_proc_info |
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90 | .long cpu_arch_name |
91 | .long cpu_elf_name | |
fd10e272 DM |
92 | .long HWCAP_SWP | HWCAP_26BIT | ( \extra_hwcaps ) |
93 | .long \cpu_name | |
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94 | .long arm7tdmi_processor_functions |
95 | .long 0 | |
96 | .long 0 | |
97 | .long v4_cache_fns | |
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98 | .size __\name\()_proc_info, . - __\name\()_proc_info |
99 | .endm | |
100 | ||
101 | arm7tdmi_proc_info arm7tdmi, 0x41007700, 0xfff8ff00, \ | |
102 | cpu_arm7tdmi_name | |
103 | arm7tdmi_proc_info triscenda7, 0x0001d2ff, 0x0001ffff, \ | |
104 | cpu_triscenda7_name, extra_hwcaps=HWCAP_THUMB | |
105 | arm7tdmi_proc_info at91, 0x14000040, 0xfff000e0, \ | |
106 | cpu_at91_name, extra_hwcaps=HWCAP_THUMB | |
107 | arm7tdmi_proc_info s3c4510b, 0x36365000, 0xfffff000, \ | |
108 | cpu_s3c4510b_name, extra_hwcaps=HWCAP_THUMB | |
109 | arm7tdmi_proc_info s3c4530, 0x4c000000, 0xfff000e0, \ | |
110 | cpu_s3c4530_name, extra_hwcaps=HWCAP_THUMB | |
111 | arm7tdmi_proc_info s3c3410, 0x34100000, 0xffff0000, \ | |
112 | cpu_s3c3410_name, extra_hwcaps=HWCAP_THUMB | |
113 | arm7tdmi_proc_info s3c44b0x, 0x44b00000, 0xffff0000, \ | |
114 | cpu_s3c44b0x_name, extra_hwcaps=HWCAP_THUMB |