generic.h 2.9 KB

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  1. /*
  2. * linux/arch/arm/mach-at91/generic.h
  3. *
  4. * Copyright (C) 2005 David Brownell
  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 version 2 as
  8. * published by the Free Software Foundation.
  9. */
  10. #include <linux/clkdev.h>
  11. #include <linux/of.h>
  12. #include <linux/reboot.h>
  13. /* Map io */
  14. extern void __init at91_map_io(void);
  15. extern void __init at91_init_sram(int bank, unsigned long base,
  16. unsigned int length);
  17. /* Processors */
  18. extern void __init at91rm9200_set_type(int type);
  19. extern void __init at91_initialize(unsigned long main_clock);
  20. extern void __init at91x40_initialize(unsigned long main_clock);
  21. extern void __init at91rm9200_dt_initialize(void);
  22. extern void __init at91_dt_initialize(void);
  23. /* Interrupts */
  24. extern void __init at91_init_irq_default(void);
  25. extern void __init at91_init_interrupts(unsigned int priority[]);
  26. extern void __init at91x40_init_interrupts(unsigned int priority[]);
  27. extern void __init at91_aic_init(unsigned int priority[],
  28. unsigned int ext_irq_mask);
  29. extern int __init at91_aic_of_init(struct device_node *node,
  30. struct device_node *parent);
  31. extern int __init at91_aic5_of_init(struct device_node *node,
  32. struct device_node *parent);
  33. extern void __init at91_sysirq_mask_rtc(u32 rtc_base);
  34. extern void __init at91_sysirq_mask_rtt(u32 rtt_base);
  35. /* Timer */
  36. extern void at91rm9200_ioremap_st(u32 addr);
  37. extern void at91rm9200_timer_init(void);
  38. extern void at91sam926x_ioremap_pit(u32 addr);
  39. extern void at91sam926x_pit_init(void);
  40. extern void at91x40_timer_init(void);
  41. /* Clocks */
  42. #ifdef CONFIG_AT91_PMC_UNIT
  43. extern int __init at91_clock_init(unsigned long main_clock);
  44. extern int __init at91_dt_clock_init(void);
  45. #else
  46. static int inline at91_clock_init(unsigned long main_clock) { return 0; }
  47. #endif
  48. struct device;
  49. /* Power Management */
  50. extern void at91_irq_suspend(void);
  51. extern void at91_irq_resume(void);
  52. /* idle */
  53. extern void at91sam9_idle(void);
  54. /* reset */
  55. extern void at91_ioremap_rstc(u32 base_addr);
  56. extern void at91sam9_alt_restart(enum reboot_mode, const char *);
  57. extern void at91sam9g45_restart(enum reboot_mode, const char *);
  58. /* shutdown */
  59. extern void at91_ioremap_shdwc(u32 base_addr);
  60. /* Matrix */
  61. extern void at91_ioremap_matrix(u32 base_addr);
  62. /* Ram Controler */
  63. extern void at91_ioremap_ramc(int id, u32 addr, u32 size);
  64. /* GPIO */
  65. #define AT91RM9200_PQFP 3 /* AT91RM9200 PQFP package has 3 banks */
  66. #define AT91RM9200_BGA 4 /* AT91RM9200 BGA package has 4 banks */
  67. struct at91_gpio_bank {
  68. unsigned short id; /* peripheral ID */
  69. unsigned long regbase; /* offset from system peripheral base */
  70. };
  71. extern void __init at91_gpio_init(struct at91_gpio_bank *, int nr_banks);
  72. extern void __init at91_gpio_irq_setup(void);
  73. extern int __init at91_gpio_of_irq_setup(struct device_node *node,
  74. struct device_node *parent);
  75. extern u32 at91_get_extern_irq(void);