proc-arm7tdmi.S 5.6 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248
  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. __INIT
  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. .size arm7tdmi_processor_functions, . - arm7tdmi_processor_functions
  67. .section ".rodata"
  68. .type cpu_arch_name, #object
  69. cpu_arch_name:
  70. .asciz "armv4t"
  71. .size cpu_arch_name, . - cpu_arch_name
  72. .type cpu_elf_name, #object
  73. cpu_elf_name:
  74. .asciz "v4"
  75. .size cpu_elf_name, . - cpu_elf_name
  76. .type cpu_arm7tdmi_name, #object
  77. cpu_arm7tdmi_name:
  78. .asciz "ARM7TDMI"
  79. .size cpu_arm7tdmi_name, . - cpu_arm7tdmi_name
  80. .type cpu_triscenda7_name, #object
  81. cpu_triscenda7_name:
  82. .asciz "Triscend-A7x"
  83. .size cpu_triscenda7_name, . - cpu_triscenda7_name
  84. .type cpu_at91_name, #object
  85. cpu_at91_name:
  86. .asciz "Atmel-AT91M40xxx"
  87. .size cpu_at91_name, . - cpu_at91_name
  88. .type cpu_s3c3410_name, #object
  89. cpu_s3c3410_name:
  90. .asciz "Samsung-S3C3410"
  91. .size cpu_s3c3410_name, . - cpu_s3c3410_name
  92. .type cpu_s3c44b0x_name, #object
  93. cpu_s3c44b0x_name:
  94. .asciz "Samsung-S3C44B0x"
  95. .size cpu_s3c44b0x_name, . - cpu_s3c44b0x_name
  96. .type cpu_s3c4510b, #object
  97. cpu_s3c4510b_name:
  98. .asciz "Samsung-S3C4510B"
  99. .size cpu_s3c4510b_name, . - cpu_s3c4510b_name
  100. .type cpu_s3c4530_name, #object
  101. cpu_s3c4530_name:
  102. .asciz "Samsung-S3C4530"
  103. .size cpu_s3c4530_name, . - cpu_s3c4530_name
  104. .type cpu_netarm_name, #object
  105. cpu_netarm_name:
  106. .asciz "NETARM"
  107. .size cpu_netarm_name, . - cpu_netarm_name
  108. .align
  109. .section ".proc.info.init", #alloc, #execinstr
  110. .type __arm7tdmi_proc_info, #object
  111. __arm7tdmi_proc_info:
  112. .long 0x41007700
  113. .long 0xfff8ff00
  114. .long 0
  115. .long 0
  116. b __arm7tdmi_setup
  117. .long cpu_arch_name
  118. .long cpu_elf_name
  119. .long HWCAP_SWP | HWCAP_26BIT
  120. .long cpu_arm7tdmi_name
  121. .long arm7tdmi_processor_functions
  122. .long 0
  123. .long 0
  124. .long v4_cache_fns
  125. .size __arm7tdmi_proc_info, . - __arm7dmi_proc_info
  126. .type __triscenda7_proc_info, #object
  127. __triscenda7_proc_info:
  128. .long 0x0001d2ff
  129. .long 0x0001ffff
  130. .long 0
  131. .long 0
  132. b __arm7tdmi_setup
  133. .long cpu_arch_name
  134. .long cpu_elf_name
  135. .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
  136. .long cpu_triscenda7_name
  137. .long arm7tdmi_processor_functions
  138. .long 0
  139. .long 0
  140. .long v4_cache_fns
  141. .size __triscenda7_proc_info, . - __triscenda7_proc_info
  142. .type __at91_proc_info, #object
  143. __at91_proc_info:
  144. .long 0x14000040
  145. .long 0xfff000e0
  146. .long 0
  147. .long 0
  148. b __arm7tdmi_setup
  149. .long cpu_arch_name
  150. .long cpu_elf_name
  151. .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
  152. .long cpu_at91_name
  153. .long arm7tdmi_processor_functions
  154. .long 0
  155. .long 0
  156. .long v4_cache_fns
  157. .size __at91_proc_info, . - __at91_proc_info
  158. .type __s3c4510b_proc_info, #object
  159. __s3c4510b_proc_info:
  160. .long 0x36365000
  161. .long 0xfffff000
  162. .long 0
  163. .long 0
  164. b __arm7tdmi_setup
  165. .long cpu_arch_name
  166. .long cpu_elf_name
  167. .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
  168. .long cpu_s3c4510b_name
  169. .long arm7tdmi_processor_functions
  170. .long 0
  171. .long 0
  172. .long v4_cache_fns
  173. .size __s3c4510b_proc_info, . - __s3c4510b_proc_info
  174. .type __s3c4530_proc_info, #object
  175. __s3c4530_proc_info:
  176. .long 0x4c000000
  177. .long 0xfff000e0
  178. .long 0
  179. .long 0
  180. b __arm7tdmi_setup
  181. .long cpu_arch_name
  182. .long cpu_elf_name
  183. .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
  184. .long cpu_s3c4530_name
  185. .long arm7tdmi_processor_functions
  186. .long 0
  187. .long 0
  188. .long v4_cache_fns
  189. .size __s3c4530_proc_info, . - __s3c4530_proc_info
  190. .type __s3c3410_proc_info, #object
  191. __s3c3410_proc_info:
  192. .long 0x34100000
  193. .long 0xffff0000
  194. .long 0
  195. .long 0
  196. b __arm7tdmi_setup
  197. .long cpu_arch_name
  198. .long cpu_elf_name
  199. .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
  200. .long cpu_s3c3410_name
  201. .long arm7tdmi_processor_functions
  202. .long 0
  203. .long 0
  204. .long v4_cache_fns
  205. .size __s3c3410_proc_info, . - __s3c3410_proc_info
  206. .type __s3c44b0x_proc_info, #object
  207. __s3c44b0x_proc_info:
  208. .long 0x44b00000
  209. .long 0xffff0000
  210. .long 0
  211. .long 0
  212. b __arm7tdmi_setup
  213. .long cpu_arch_name
  214. .long cpu_elf_name
  215. .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
  216. .long cpu_s3c44b0x_name
  217. .long arm7tdmi_processor_functions
  218. .long 0
  219. .long 0
  220. .long v4_cache_fns
  221. .size __s3c44b0x_proc_info, . - __s3c44b0x_proc_info