cpu.h 2.5 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596
  1. /*
  2. * include/asm-arm/arch-at91/cpu.h
  3. *
  4. * Copyright (C) 2006 SAN People
  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 as published by
  8. * the Free Software Foundation; either version 2 of the License, or
  9. * (at your option) any later version.
  10. *
  11. */
  12. #ifndef __ASM_ARCH_CPU_H
  13. #define __ASM_ARCH_CPU_H
  14. #include <asm/hardware.h>
  15. #include <asm/arch/at91_dbgu.h>
  16. #define ARCH_ID_AT91RM9200 0x09290780
  17. #define ARCH_ID_AT91SAM9260 0x019803a0
  18. #define ARCH_ID_AT91SAM9261 0x019703a0
  19. #define ARCH_ID_AT91SAM9263 0x019607a0
  20. #define ARCH_ID_AT91SAM9RL64 0x019b03a0
  21. #define ARCH_ID_AT91CAP9 0x039A03A0
  22. #define ARCH_ID_AT91SAM9XE128 0x329973a0
  23. #define ARCH_ID_AT91SAM9XE256 0x329a93a0
  24. #define ARCH_ID_AT91SAM9XE512 0x329aa3a0
  25. #define ARCH_ID_AT91M40800 0x14080044
  26. #define ARCH_ID_AT91R40807 0x44080746
  27. #define ARCH_ID_AT91M40807 0x14080745
  28. #define ARCH_ID_AT91R40008 0x44000840
  29. static inline unsigned long at91_cpu_identify(void)
  30. {
  31. return (at91_sys_read(AT91_DBGU_CIDR) & ~AT91_CIDR_VERSION);
  32. }
  33. #define ARCH_FAMILY_AT91X92 0x09200000
  34. #define ARCH_FAMILY_AT91SAM9 0x01900000
  35. #define ARCH_FAMILY_AT91SAM9XE 0x02900000
  36. static inline unsigned long at91_arch_identify(void)
  37. {
  38. return (at91_sys_read(AT91_DBGU_CIDR) & AT91_CIDR_ARCH);
  39. }
  40. #ifdef CONFIG_ARCH_AT91RM9200
  41. #define cpu_is_at91rm9200() (at91_cpu_identify() == ARCH_ID_AT91RM9200)
  42. #else
  43. #define cpu_is_at91rm9200() (0)
  44. #endif
  45. #ifdef CONFIG_ARCH_AT91SAM9260
  46. #define cpu_is_at91sam9xe() (at91_arch_identify() == ARCH_FAMILY_AT91SAM9XE)
  47. #define cpu_is_at91sam9260() ((at91_cpu_identify() == ARCH_ID_AT91SAM9260) || cpu_is_at91sam9xe())
  48. #else
  49. #define cpu_is_at91sam9xe() (0)
  50. #define cpu_is_at91sam9260() (0)
  51. #endif
  52. #ifdef CONFIG_ARCH_AT91SAM9261
  53. #define cpu_is_at91sam9261() (at91_cpu_identify() == ARCH_ID_AT91SAM9261)
  54. #else
  55. #define cpu_is_at91sam9261() (0)
  56. #endif
  57. #ifdef CONFIG_ARCH_AT91SAM9263
  58. #define cpu_is_at91sam9263() (at91_cpu_identify() == ARCH_ID_AT91SAM9263)
  59. #else
  60. #define cpu_is_at91sam9263() (0)
  61. #endif
  62. #ifdef CONFIG_ARCH_AT91SAM9RL
  63. #define cpu_is_at91sam9rl() (at91_cpu_identify() == ARCH_ID_AT91SAM9RL64)
  64. #else
  65. #define cpu_is_at91sam9rl() (0)
  66. #endif
  67. #ifdef CONFIG_ARCH_AT91CAP9
  68. #define cpu_is_at91cap9() (at91_cpu_identify() == ARCH_ID_AT91CAP9)
  69. #else
  70. #define cpu_is_at91cap9() (0)
  71. #endif
  72. /*
  73. * Since this is ARM, we will never run on any AVR32 CPU. But these
  74. * definitions may reduce clutter in common drivers.
  75. */
  76. #define cpu_is_at32ap7000() (0)
  77. #endif