proc-arm7tdmi.S 5.7 KB

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  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>
  15. #include <asm/hwcap.h>
  16. #include <asm/pgtable-hwdef.h>
  17. #include <asm/pgtable.h>
  18. #include <asm/ptrace.h>
  19. .text
  20. /*
  21. * cpu_arm7tdmi_proc_init()
  22. * cpu_arm7tdmi_do_idle()
  23. * cpu_arm7tdmi_dcache_clean_area()
  24. * cpu_arm7tdmi_switch_mm()
  25. *
  26. * These are not required.
  27. */
  28. ENTRY(cpu_arm7tdmi_proc_init)
  29. ENTRY(cpu_arm7tdmi_do_idle)
  30. ENTRY(cpu_arm7tdmi_dcache_clean_area)
  31. ENTRY(cpu_arm7tdmi_switch_mm)
  32. mov pc, lr
  33. /*
  34. * cpu_arm7tdmi_proc_fin()
  35. */
  36. ENTRY(cpu_arm7tdmi_proc_fin)
  37. mov pc, lr
  38. /*
  39. * Function: cpu_arm7tdmi_reset(loc)
  40. * Params : loc(r0) address to jump to
  41. * Purpose : Sets up everything for a reset and jump to the location for soft reset.
  42. */
  43. ENTRY(cpu_arm7tdmi_reset)
  44. mov pc, r0
  45. __CPUINIT
  46. .type __arm7tdmi_setup, #function
  47. __arm7tdmi_setup:
  48. mov pc, lr
  49. .size __arm7tdmi_setup, . - __arm7tdmi_setup
  50. __INITDATA
  51. /*
  52. * Purpose : Function pointers used to access above functions - all calls
  53. * come through these
  54. */
  55. .type arm7tdmi_processor_functions, #object
  56. ENTRY(arm7tdmi_processor_functions)
  57. .word v4t_late_abort
  58. .word legacy_pabort
  59. .word cpu_arm7tdmi_proc_init
  60. .word cpu_arm7tdmi_proc_fin
  61. .word cpu_arm7tdmi_reset
  62. .word cpu_arm7tdmi_do_idle
  63. .word cpu_arm7tdmi_dcache_clean_area
  64. .word cpu_arm7tdmi_switch_mm
  65. .word 0 @ cpu_*_set_pte
  66. .word 0
  67. .word 0
  68. .word 0
  69. .size arm7tdmi_processor_functions, . - arm7tdmi_processor_functions
  70. .section ".rodata"
  71. .type cpu_arch_name, #object
  72. cpu_arch_name:
  73. .asciz "armv4t"
  74. .size cpu_arch_name, . - cpu_arch_name
  75. .type cpu_elf_name, #object
  76. cpu_elf_name:
  77. .asciz "v4"
  78. .size cpu_elf_name, . - cpu_elf_name
  79. .type cpu_arm7tdmi_name, #object
  80. cpu_arm7tdmi_name:
  81. .asciz "ARM7TDMI"
  82. .size cpu_arm7tdmi_name, . - cpu_arm7tdmi_name
  83. .type cpu_triscenda7_name, #object
  84. cpu_triscenda7_name:
  85. .asciz "Triscend-A7x"
  86. .size cpu_triscenda7_name, . - cpu_triscenda7_name
  87. .type cpu_at91_name, #object
  88. cpu_at91_name:
  89. .asciz "Atmel-AT91M40xxx"
  90. .size cpu_at91_name, . - cpu_at91_name
  91. .type cpu_s3c3410_name, #object
  92. cpu_s3c3410_name:
  93. .asciz "Samsung-S3C3410"
  94. .size cpu_s3c3410_name, . - cpu_s3c3410_name
  95. .type cpu_s3c44b0x_name, #object
  96. cpu_s3c44b0x_name:
  97. .asciz "Samsung-S3C44B0x"
  98. .size cpu_s3c44b0x_name, . - cpu_s3c44b0x_name
  99. .type cpu_s3c4510b, #object
  100. cpu_s3c4510b_name:
  101. .asciz "Samsung-S3C4510B"
  102. .size cpu_s3c4510b_name, . - cpu_s3c4510b_name
  103. .type cpu_s3c4530_name, #object
  104. cpu_s3c4530_name:
  105. .asciz "Samsung-S3C4530"
  106. .size cpu_s3c4530_name, . - cpu_s3c4530_name
  107. .type cpu_netarm_name, #object
  108. cpu_netarm_name:
  109. .asciz "NETARM"
  110. .size cpu_netarm_name, . - cpu_netarm_name
  111. .align
  112. .section ".proc.info.init", #alloc, #execinstr
  113. .type __arm7tdmi_proc_info, #object
  114. __arm7tdmi_proc_info:
  115. .long 0x41007700
  116. .long 0xfff8ff00
  117. .long 0
  118. .long 0
  119. b __arm7tdmi_setup
  120. .long cpu_arch_name
  121. .long cpu_elf_name
  122. .long HWCAP_SWP | HWCAP_26BIT
  123. .long cpu_arm7tdmi_name
  124. .long arm7tdmi_processor_functions
  125. .long 0
  126. .long 0
  127. .long v4_cache_fns
  128. .size __arm7tdmi_proc_info, . - __arm7dmi_proc_info
  129. .type __triscenda7_proc_info, #object
  130. __triscenda7_proc_info:
  131. .long 0x0001d2ff
  132. .long 0x0001ffff
  133. .long 0
  134. .long 0
  135. b __arm7tdmi_setup
  136. .long cpu_arch_name
  137. .long cpu_elf_name
  138. .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
  139. .long cpu_triscenda7_name
  140. .long arm7tdmi_processor_functions
  141. .long 0
  142. .long 0
  143. .long v4_cache_fns
  144. .size __triscenda7_proc_info, . - __triscenda7_proc_info
  145. .type __at91_proc_info, #object
  146. __at91_proc_info:
  147. .long 0x14000040
  148. .long 0xfff000e0
  149. .long 0
  150. .long 0
  151. b __arm7tdmi_setup
  152. .long cpu_arch_name
  153. .long cpu_elf_name
  154. .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
  155. .long cpu_at91_name
  156. .long arm7tdmi_processor_functions
  157. .long 0
  158. .long 0
  159. .long v4_cache_fns
  160. .size __at91_proc_info, . - __at91_proc_info
  161. .type __s3c4510b_proc_info, #object
  162. __s3c4510b_proc_info:
  163. .long 0x36365000
  164. .long 0xfffff000
  165. .long 0
  166. .long 0
  167. b __arm7tdmi_setup
  168. .long cpu_arch_name
  169. .long cpu_elf_name
  170. .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
  171. .long cpu_s3c4510b_name
  172. .long arm7tdmi_processor_functions
  173. .long 0
  174. .long 0
  175. .long v4_cache_fns
  176. .size __s3c4510b_proc_info, . - __s3c4510b_proc_info
  177. .type __s3c4530_proc_info, #object
  178. __s3c4530_proc_info:
  179. .long 0x4c000000
  180. .long 0xfff000e0
  181. .long 0
  182. .long 0
  183. b __arm7tdmi_setup
  184. .long cpu_arch_name
  185. .long cpu_elf_name
  186. .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
  187. .long cpu_s3c4530_name
  188. .long arm7tdmi_processor_functions
  189. .long 0
  190. .long 0
  191. .long v4_cache_fns
  192. .size __s3c4530_proc_info, . - __s3c4530_proc_info
  193. .type __s3c3410_proc_info, #object
  194. __s3c3410_proc_info:
  195. .long 0x34100000
  196. .long 0xffff0000
  197. .long 0
  198. .long 0
  199. b __arm7tdmi_setup
  200. .long cpu_arch_name
  201. .long cpu_elf_name
  202. .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
  203. .long cpu_s3c3410_name
  204. .long arm7tdmi_processor_functions
  205. .long 0
  206. .long 0
  207. .long v4_cache_fns
  208. .size __s3c3410_proc_info, . - __s3c3410_proc_info
  209. .type __s3c44b0x_proc_info, #object
  210. __s3c44b0x_proc_info:
  211. .long 0x44b00000
  212. .long 0xffff0000
  213. .long 0
  214. .long 0
  215. b __arm7tdmi_setup
  216. .long cpu_arch_name
  217. .long cpu_elf_name
  218. .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
  219. .long cpu_s3c44b0x_name
  220. .long arm7tdmi_processor_functions
  221. .long 0
  222. .long 0
  223. .long v4_cache_fns
  224. .size __s3c44b0x_proc_info, . - __s3c44b0x_proc_info