projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 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> |
| 07e0da78 HC |
16 | #include <asm/pgtable-hwdef.h> |
| 17 | #include <asm/pgtable.h> | |
| 07e0da78 HC |
18 | #include <asm/ptrace.h> |
| 19 | ||
| fd10e272 DM |
20 | #include "proc-macros.S" |
| 21 | ||
| 07e0da78 HC |
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) | |
| 35 | mov pc, lr | |
| 36 | ||
| 37 | /* | |
| 38 | * cpu_arm7tdmi_proc_fin() | |
| 39 | */ | |
| 40 | ENTRY(cpu_arm7tdmi_proc_fin) | |
| 07e0da78 HC |
41 | mov pc, lr |
| 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 HC |
49 | ENTRY(cpu_arm7tdmi_reset) |
| 50 | mov pc, r0 | |
| 1a4baafa WD |
51 | ENDPROC(cpu_arm7tdmi_reset) |
| 52 | .popsection | |
| 07e0da78 | 53 | |
| 5085f3ff | 54 | __CPUINIT |
| 07e0da78 HC |
55 | |
| 56 | .type __arm7tdmi_setup, #function | |
| 57 | __arm7tdmi_setup: | |
| 58 | mov pc, lr | |
| 59 | .size __arm7tdmi_setup, . - __arm7tdmi_setup | |
| 60 | ||
| 61 | __INITDATA | |
| 62 | ||
| fd10e272 DM |
63 | @ define struct processor (see <asm/proc-fns.h> and proc-macros.S) |
| 64 | define_processor_functions arm7tdmi, dabort=v4t_late_abort, pabort=legacy_pabort, nommu=1 | |
| 07e0da78 HC |
65 | |
| 66 | .section ".rodata" | |
| 67 | ||
| fd10e272 DM |
68 | string cpu_arch_name, "armv4t" |
| 69 | string cpu_elf_name, "v4" | |
| 70 | string cpu_arm7tdmi_name, "ARM7TDMI" | |
| 71 | string cpu_triscenda7_name, "Triscend-A7x" | |
| 72 | string cpu_at91_name, "Atmel-AT91M40xxx" | |
| 73 | string cpu_s3c3410_name, "Samsung-S3C3410" | |
| 74 | string cpu_s3c44b0x_name, "Samsung-S3C44B0x" | |
| 75 | string cpu_s3c4510b_name, "Samsung-S3C4510B" | |
| 76 | string cpu_s3c4530_name, "Samsung-S3C4530" | |
| 77 | string cpu_netarm_name, "NETARM" | |
| 07e0da78 HC |
78 | |
| 79 | .align | |
| 80 | ||
| 81 | .section ".proc.info.init", #alloc, #execinstr | |
| 82 | ||
| fd10e272 DM |
83 | .macro arm7tdmi_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req, \ |
| 84 | extra_hwcaps=0 | |
| 85 | .type __\name\()_proc_info, #object | |
| 86 | __\name\()_proc_info: | |
| 87 | .long \cpu_val | |
| 88 | .long \cpu_mask | |
| 07e0da78 HC |
89 | .long 0 |
| 90 | .long 0 | |
| 91 | b __arm7tdmi_setup | |
| 92 | .long cpu_arch_name | |
| 93 | .long cpu_elf_name | |
| fd10e272 DM |
94 | .long HWCAP_SWP | HWCAP_26BIT | ( \extra_hwcaps ) |
| 95 | .long \cpu_name | |
| 07e0da78 HC |
96 | .long arm7tdmi_processor_functions |
| 97 | .long 0 | |
| 98 | .long 0 | |
| 99 | .long v4_cache_fns | |
| fd10e272 DM |
100 | .size __\name\()_proc_info, . - __\name\()_proc_info |
| 101 | .endm | |
| 102 | ||
| 103 | arm7tdmi_proc_info arm7tdmi, 0x41007700, 0xfff8ff00, \ | |
| 104 | cpu_arm7tdmi_name | |
| 105 | arm7tdmi_proc_info triscenda7, 0x0001d2ff, 0x0001ffff, \ | |
| 106 | cpu_triscenda7_name, extra_hwcaps=HWCAP_THUMB | |
| 107 | arm7tdmi_proc_info at91, 0x14000040, 0xfff000e0, \ | |
| 108 | cpu_at91_name, extra_hwcaps=HWCAP_THUMB | |
| 109 | arm7tdmi_proc_info s3c4510b, 0x36365000, 0xfffff000, \ | |
| 110 | cpu_s3c4510b_name, extra_hwcaps=HWCAP_THUMB | |
| 111 | arm7tdmi_proc_info s3c4530, 0x4c000000, 0xfff000e0, \ | |
| 112 | cpu_s3c4530_name, extra_hwcaps=HWCAP_THUMB | |
| 113 | arm7tdmi_proc_info s3c3410, 0x34100000, 0xffff0000, \ | |
| 114 | cpu_s3c3410_name, extra_hwcaps=HWCAP_THUMB | |
| 115 | arm7tdmi_proc_info s3c44b0x, 0x44b00000, 0xffff0000, \ | |
| 116 | cpu_s3c44b0x_name, extra_hwcaps=HWCAP_THUMB |