generic.h 3.0 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. /* Map io */
  13. extern void __init at91_map_io(void);
  14. extern void __init at91_init_sram(int bank, unsigned long base,
  15. unsigned int length);
  16. /* Processors */
  17. extern void __init at91rm9200_set_type(int type);
  18. extern void __init at91_initialize(unsigned long main_clock);
  19. extern void __init at91x40_initialize(unsigned long main_clock);
  20. /* Interrupts */
  21. extern void __init at91_init_irq_default(void);
  22. extern void __init at91_init_interrupts(unsigned int priority[]);
  23. extern void __init at91x40_init_interrupts(unsigned int priority[]);
  24. extern void __init at91_aic_init(unsigned int priority[]);
  25. extern int __init at91_aic_of_init(struct device_node *node,
  26. struct device_node *parent);
  27. /* Timer */
  28. struct sys_timer;
  29. extern void at91rm9200_ioremap_st(u32 addr);
  30. extern struct sys_timer at91rm9200_timer;
  31. extern void at91sam926x_ioremap_pit(u32 addr);
  32. extern struct sys_timer at91sam926x_timer;
  33. extern struct sys_timer at91x40_timer;
  34. /* Clocks */
  35. /*
  36. * function to specify the clock of the default console. As we do not
  37. * use the device/driver bus, the dev_name is not intialize. So we need
  38. * to link the clock to a specific con_id only "usart"
  39. */
  40. extern void __init at91rm9200_set_console_clock(int id);
  41. extern void __init at91sam9260_set_console_clock(int id);
  42. extern void __init at91sam9261_set_console_clock(int id);
  43. extern void __init at91sam9263_set_console_clock(int id);
  44. extern void __init at91sam9rl_set_console_clock(int id);
  45. extern void __init at91sam9g45_set_console_clock(int id);
  46. #ifdef CONFIG_AT91_PMC_UNIT
  47. extern int __init at91_clock_init(unsigned long main_clock);
  48. #else
  49. static int inline at91_clock_init(unsigned long main_clock) { return 0; }
  50. #endif
  51. struct device;
  52. /* Power Management */
  53. extern void at91_irq_suspend(void);
  54. extern void at91_irq_resume(void);
  55. /* idle */
  56. extern void at91sam9_idle(void);
  57. /* reset */
  58. extern void at91_ioremap_rstc(u32 base_addr);
  59. extern void at91sam9_alt_restart(char, const char *);
  60. extern void at91sam9g45_restart(char, const char *);
  61. /* shutdown */
  62. extern void at91_ioremap_shdwc(u32 base_addr);
  63. /* Matrix */
  64. extern void at91_ioremap_matrix(u32 base_addr);
  65. /* Ram Controler */
  66. extern void at91_ioremap_ramc(int id, u32 addr, u32 size);
  67. /* GPIO */
  68. #define AT91RM9200_PQFP 3 /* AT91RM9200 PQFP package has 3 banks */
  69. #define AT91RM9200_BGA 4 /* AT91RM9200 BGA package has 4 banks */
  70. struct at91_gpio_bank {
  71. unsigned short id; /* peripheral ID */
  72. unsigned long regbase; /* offset from system peripheral base */
  73. };
  74. extern void __init at91_gpio_init(struct at91_gpio_bank *, int nr_banks);
  75. extern void __init at91_gpio_irq_setup(void);
  76. extern int __init at91_gpio_of_irq_setup(struct device_node *node,
  77. struct device_node *parent);
  78. extern int at91_extern_irq;