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mach-loongson
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loongson.h

loongson.h 2.2 KB
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  1. /*
    2. 

  2.  * Copyright (C) 2009 Lemote, Inc. & Institute of Computing Technology
    3. 

  3.  * Author: Wu Zhangjin <wuzj@lemote.com>
    4. 

  4.  *
    5. 

  5.  * This program is free software; you can redistribute  it and/or modify it
    6. 

  6.  * under  the terms of  the GNU General  Public License as published by the
    7. 

  7.  * Free Software Foundation;  either version 2 of the  License, or (at your
    8. 

  8.  * option) any later version.
    9. 

  9.  *
    10. 

  10.  */
    11. 

  11. 

  12. #ifndef __ASM_MACH_LOONGSON_LOONGSON_H
    13. 

  13. #define __ASM_MACH_LOONGSON_LOONGSON_H
    14. 

  14. 

  15. #include <linux/io.h>
    16. 

  16. #include <linux/init.h>
    17. 

  17. 

  18. /* there is an internal bonito64-compatiable northbridge in loongson2e/2f */
    19. 

  19. #include <asm/mips-boards/bonito64.h>
    20. 

  20. 

  21. /* loongson internal northbridge initialization */
    22. 

  22. extern void bonito_irq_init(void);
    23. 

  23. 

  24. /* machine-specific reboot/halt operation */
    25. 

  25. extern void mach_prepare_reboot(void);
    26. 

  26. extern void mach_prepare_shutdown(void);
    27. 

  27. 

  28. /* environment arguments from bootloader */
    29. 

  29. extern unsigned long bus_clock, cpu_clock_freq;
    30. 

  30. extern unsigned long memsize, highmemsize;
    31. 

  31. 

  32. /* loongson-specific command line, env and memory initialization */
    33. 

  33. extern void __init prom_init_memory(void);
    34. 

  34. extern void __init prom_init_cmdline(void);
    35. 

  35. extern void __init prom_init_env(void);
    36. 

  36. 

  37. /* irq operation functions */
    38. 

  38. extern void bonito_irqdispatch(void);
    39. 

  39. extern void __init bonito_irq_init(void);
    40. 

  40. extern void __init set_irq_trigger_mode(void);
    41. 

  41. extern void __init mach_init_irq(void);
    42. 

  42. extern void mach_irq_dispatch(unsigned int pending);
    43. 

  43. 

  44. /* PCI Configuration Registers */
    45. 

  45. #define LOONGSON_PCI_ISR4C  BONITO_PCI_REG(0x4c)
    46. 

  46. 

  47. /* PCI_Hit*_Sel_* */
    48. 

  48. 

  49. #define LOONGSON_PCI_HIT0_SEL_L     BONITO(BONITO_REGBASE + 0x50)
    50. 

  50. #define LOONGSON_PCI_HIT0_SEL_H     BONITO(BONITO_REGBASE + 0x54)
    51. 

  51. #define LOONGSON_PCI_HIT1_SEL_L     BONITO(BONITO_REGBASE + 0x58)
    52. 

  52. #define LOONGSON_PCI_HIT1_SEL_H     BONITO(BONITO_REGBASE + 0x5c)
    53. 

  53. #define LOONGSON_PCI_HIT2_SEL_L     BONITO(BONITO_REGBASE + 0x60)
    54. 

  54. #define LOONGSON_PCI_HIT2_SEL_H     BONITO(BONITO_REGBASE + 0x64)
    55. 

  55. 

  56. /* PXArb Config & Status */
    57. 

  57. 

  58. #define LOONGSON_PXARB_CFG      BONITO(BONITO_REGBASE + 0x68)
    59. 

  59. #define LOONGSON_PXARB_STATUS       BONITO(BONITO_REGBASE + 0x6c)
    60. 

  60. 

  61. /* loongson2-specific perf counter IRQ */
    62. 

  62. #define LOONGSON2_PERFCNT_IRQ   (MIPS_CPU_IRQ_BASE + 6)
    63. 

  63. 

  64. #endif /* __ASM_MACH_LOONGSON_LOONGSON_H */
    65.