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mach-at91
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board-dt.c

board-dt.c 1.3 KB
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  1. /*
    2. 

  2.  *  Setup code for AT91SAM Evaluation Kits with Device Tree support
    3. 

  3.  *
    4. 

  4.  *  Copyright (C) 2011 Atmel,
    5. 

  5.  *                2011 Nicolas Ferre <nicolas.ferre@atmel.com>
    6. 

  6.  *
    7. 

  7.  * Licensed under GPLv2 or later.
    8. 

  8.  */
    9. 

  9. 

  10. #include <linux/types.h>
    11. 

  11. #include <linux/init.h>
    12. 

  12. #include <linux/module.h>
    13. 

  13. #include <linux/gpio.h>
    14. 

  14. #include <linux/of.h>
    15. 

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

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

  17. 

  18. #include <asm/setup.h>
    19. 

  19. #include <asm/irq.h>
    20. 

  20. #include <asm/mach/arch.h>
    21. 

  21. #include <asm/mach/map.h>
    22. 

  22. #include <asm/mach/irq.h>
    23. 

  23. 

  24. #include "at91_aic.h"
    25. 

  25. #include "board.h"
    26. 

  26. #include "generic.h"
    27. 

  27. 

  28. 

  29. static const struct of_device_id irq_of_match[] __initconst = {
    30. 

  30. 

  31. 	{ .compatible = "atmel,at91rm9200-aic", .data = at91_aic_of_init },
    32. 

  32. 	{ /*sentinel*/ }
    33. 

  33. };
    34. 

  34. 

  35. static void __init at91_dt_init_irq(void)
    36. 

  36. {
    37. 

  37. 	of_irq_init(irq_of_match);
    38. 

  38. }
    39. 

  39. 

  40. static void __init at91_dt_device_init(void)
    41. 

  41. {
    42. 

  42. 	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
    43. 

  43. }
    44. 

  44. 

  45. static const char *at91_dt_board_compat[] __initdata = {
    46. 

  46. 	"atmel,at91sam9",
    47. 

  47. 	NULL
    48. 

  48. };
    49. 

  49. 

  50. DT_MACHINE_START(at91sam_dt, "Atmel AT91SAM (Device Tree)")
    51. 

  51. 	/* Maintainer: Atmel */
    52. 

  52. 	.init_time	= at91sam926x_pit_init,
    53. 

  53. 	.map_io		= at91_map_io,
    54. 

  54. 	.handle_irq	= at91_aic_handle_irq,
    55. 

  55. 	.init_early	= at91_dt_initialize,
    56. 

  56. 	.init_irq	= at91_dt_init_irq,
    57. 

  57. 	.init_machine	= at91_dt_device_init,
    58. 

  58. 	.dt_compat	= at91_dt_board_compat,
    59. 

  59. MACHINE_END
    60.