lapic.h 2.0 KB

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  1. /*
  2. * From coreboot file of same name
  3. *
  4. * Copyright (C) 2014 Google, Inc
  5. *
  6. * SPDX-License-Identifier: GPL-2.0
  7. */
  8. #ifndef _ARCH_ASM_LAPIC_H
  9. #define _ARCH_ASM_LAPIC_H
  10. #define LAPIC_DEFAULT_BASE 0xfee00000
  11. #define LAPIC_ID 0x020
  12. #define LAPIC_LVR 0x030
  13. #define LAPIC_TASKPRI 0x080
  14. #define LAPIC_TPRI_MASK 0xff
  15. #define LAPIC_RRR 0x0c0
  16. #define LAPIC_SPIV 0x0f0
  17. #define LAPIC_SPIV_ENABLE 0x100
  18. #define LAPIC_ICR 0x300
  19. #define LAPIC_DEST_SELF 0x40000
  20. #define LAPIC_DEST_ALLINC 0x80000
  21. #define LAPIC_DEST_ALLBUT 0xc0000
  22. #define LAPIC_ICR_RR_MASK 0x30000
  23. #define LAPIC_ICR_RR_INVALID 0x00000
  24. #define LAPIC_ICR_RR_INPROG 0x10000
  25. #define LAPIC_ICR_RR_VALID 0x20000
  26. #define LAPIC_INT_LEVELTRIG 0x08000
  27. #define LAPIC_INT_ASSERT 0x04000
  28. #define LAPIC_ICR_BUSY 0x01000
  29. #define LAPIC_DEST_LOGICAL 0x00800
  30. #define LAPIC_DM_FIXED 0x00000
  31. #define LAPIC_DM_LOWEST 0x00100
  32. #define LAPIC_DM_SMI 0x00200
  33. #define LAPIC_DM_REMRD 0x00300
  34. #define LAPIC_DM_NMI 0x00400
  35. #define LAPIC_DM_INIT 0x00500
  36. #define LAPIC_DM_STARTUP 0x00600
  37. #define LAPIC_DM_EXTINT 0x00700
  38. #define LAPIC_VECTOR_MASK 0x000ff
  39. #define LAPIC_ICR2 0x310
  40. #define GET_LAPIC_DEST_FIELD(x) (((x) >> 24) & 0xff)
  41. #define SET_LAPIC_DEST_FIELD(x) ((x) << 24)
  42. #define LAPIC_LVT0 0x350
  43. #define LAPIC_LVT1 0x360
  44. #define LAPIC_LVT_MASKED (1 << 16)
  45. #define LAPIC_LVT_LEVEL_TRIGGER (1 << 15)
  46. #define LAPIC_LVT_REMOTE_IRR (1 << 14)
  47. #define LAPIC_INPUT_POLARITY (1 << 13)
  48. #define LAPIC_SEND_PENDING (1 << 12)
  49. #define LAPIC_LVT_RESERVED_1 (1 << 11)
  50. #define LAPIC_DELIVERY_MODE_MASK (7 << 8)
  51. #define LAPIC_DELIVERY_MODE_FIXED (0 << 8)
  52. #define LAPIC_DELIVERY_MODE_NMI (4 << 8)
  53. #define LAPIC_DELIVERY_MODE_EXTINT (7 << 8)
  54. unsigned long lapic_read(unsigned long reg);
  55. void lapic_write(unsigned long reg, unsigned long v);
  56. void enable_lapic(void);
  57. void disable_lapic(void);
  58. unsigned long lapicid(void);
  59. int lapic_remote_read(int apicid, int reg, unsigned long *pvalue);
  60. void lapic_setup(void);
  61. #endif