dart.h 2.2 KB

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  1. /*
  2. * Copyright (C) 2004 Olof Johansson <olof@lixom.net>, IBM Corporation
  3. *
  4. * This program is free software; you can redistribute it and/or modify
  5. * it under the terms of the GNU General Public License as published by
  6. * the Free Software Foundation; either version 2 of the License, or
  7. * (at your option) any later version.
  8. *
  9. * This program is distributed in the hope that it will be useful,
  10. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. * GNU General Public License for more details.
  13. *
  14. * You should have received a copy of the GNU General Public License
  15. * along with this program; if not, write to the Free Software
  16. * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  17. */
  18. #ifndef _POWERPC_SYSDEV_DART_H
  19. #define _POWERPC_SYSDEV_DART_H
  20. /* Offset from base to control register */
  21. #define DART_CNTL 0
  22. /* Offset from base to exception register */
  23. #define DART_EXCP_U3 0x10
  24. /* Offset from base to TLB tag registers */
  25. #define DART_TAGS_U3 0x1000
  26. /* U4 registers */
  27. #define DART_BASE_U4 0x10
  28. #define DART_SIZE_U4 0x20
  29. #define DART_EXCP_U4 0x30
  30. #define DART_TAGS_U4 0x1000
  31. /* Control Register fields */
  32. /* U3 registers */
  33. #define DART_CNTL_U3_BASE_MASK 0xfffff
  34. #define DART_CNTL_U3_BASE_SHIFT 12
  35. #define DART_CNTL_U3_FLUSHTLB 0x400
  36. #define DART_CNTL_U3_ENABLE 0x200
  37. #define DART_CNTL_U3_SIZE_MASK 0x1ff
  38. #define DART_CNTL_U3_SIZE_SHIFT 0
  39. /* U4 registers */
  40. #define DART_BASE_U4_BASE_MASK 0xffffff
  41. #define DART_BASE_U4_BASE_SHIFT 0
  42. #define DART_CNTL_U4_ENABLE 0x80000000
  43. #define DART_CNTL_U4_IONE 0x40000000
  44. #define DART_CNTL_U4_FLUSHTLB 0x20000000
  45. #define DART_CNTL_U4_IDLE 0x10000000
  46. #define DART_CNTL_U4_PAR_EN 0x08000000
  47. #define DART_CNTL_U4_IONE_MASK 0x07ffffff
  48. #define DART_SIZE_U4_SIZE_MASK 0x1fff
  49. #define DART_SIZE_U4_SIZE_SHIFT 0
  50. #define DART_REG(r) (dart + ((r) >> 2))
  51. #define DART_IN(r) (in_be32(DART_REG(r)))
  52. #define DART_OUT(r,v) (out_be32(DART_REG(r), (v)))
  53. /* size of table in pages */
  54. /* DART table fields */
  55. #define DARTMAP_VALID 0x80000000
  56. #define DARTMAP_RPNMASK 0x00ffffff
  57. #define DART_PAGE_SHIFT 12
  58. #define DART_PAGE_SIZE (1 << DART_PAGE_SHIFT)
  59. #endif /* _POWERPC_SYSDEV_DART_H */