cpu-feature-overrides.h 2.5 KB

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  1. /*
  2. * CPU feature overrides for DECstation systems. Two variations
  3. * are generally applicable.
  4. *
  5. * Copyright (C) 2013 Maciej W. Rozycki
  6. *
  7. * This program is free software; you can redistribute it and/or
  8. * modify it under the terms of the GNU General Public License
  9. * as published by the Free Software Foundation; either version
  10. * 2 of the License, or (at your option) any later version.
  11. */
  12. #ifndef __ASM_MACH_DEC_CPU_FEATURE_OVERRIDES_H
  13. #define __ASM_MACH_DEC_CPU_FEATURE_OVERRIDES_H
  14. /* Generic ones first. */
  15. #define cpu_has_tlb 1
  16. #define cpu_has_tx39_cache 0
  17. #define cpu_has_fpu 1
  18. #define cpu_has_divec 0
  19. #define cpu_has_prefetch 0
  20. #define cpu_has_mcheck 0
  21. #define cpu_has_ejtag 0
  22. #define cpu_has_mips16 0
  23. #define cpu_has_mdmx 0
  24. #define cpu_has_mips3d 0
  25. #define cpu_has_smartmips 0
  26. #define cpu_has_rixi 0
  27. #define cpu_has_vtag_icache 0
  28. #define cpu_has_ic_fills_f_dc 0
  29. #define cpu_has_pindexed_dcache 0
  30. #define cpu_has_local_ebase 0
  31. #define cpu_icache_snoops_remote_store 1
  32. #define cpu_has_mips_4 0
  33. #define cpu_has_mips_5 0
  34. #define cpu_has_mips32r1 0
  35. #define cpu_has_mips32r2 0
  36. #define cpu_has_mips64r1 0
  37. #define cpu_has_mips64r2 0
  38. #define cpu_has_dsp 0
  39. #define cpu_has_mipsmt 0
  40. #define cpu_has_userlocal 0
  41. /* R3k-specific ones. */
  42. #ifdef CONFIG_CPU_R3000
  43. #define cpu_has_4kex 0
  44. #define cpu_has_3k_cache 1
  45. #define cpu_has_4k_cache 0
  46. #define cpu_has_32fpr 0
  47. #define cpu_has_counter 0
  48. #define cpu_has_watch 0
  49. #define cpu_has_vce 0
  50. #define cpu_has_cache_cdex_p 0
  51. #define cpu_has_cache_cdex_s 0
  52. #define cpu_has_llsc 0
  53. #define cpu_has_dc_aliases 0
  54. #define cpu_has_mips_2 0
  55. #define cpu_has_mips_3 0
  56. #define cpu_has_nofpuex 1
  57. #define cpu_has_inclusive_pcaches 0
  58. #define cpu_dcache_line_size() 4
  59. #define cpu_icache_line_size() 4
  60. #define cpu_scache_line_size() 0
  61. #endif /* CONFIG_CPU_R3000 */
  62. /* R4k-specific ones. */
  63. #ifdef CONFIG_CPU_R4X00
  64. #define cpu_has_4kex 1
  65. #define cpu_has_3k_cache 0
  66. #define cpu_has_4k_cache 1
  67. #define cpu_has_32fpr 1
  68. #define cpu_has_counter 1
  69. #define cpu_has_watch 1
  70. #define cpu_has_vce 1
  71. #define cpu_has_cache_cdex_p 1
  72. #define cpu_has_cache_cdex_s 1
  73. #define cpu_has_llsc 1
  74. #define cpu_has_dc_aliases (PAGE_SIZE < 0x4000)
  75. #define cpu_has_mips_2 1
  76. #define cpu_has_mips_3 1
  77. #define cpu_has_nofpuex 0
  78. #define cpu_has_inclusive_pcaches 1
  79. #define cpu_dcache_line_size() 16
  80. #define cpu_icache_line_size() 16
  81. #define cpu_scache_line_size() 32
  82. #endif /* CONFIG_CPU_R4X00 */
  83. #endif /* __ASM_MACH_DEC_CPU_FEATURE_OVERRIDES_H */