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include
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asm-arm
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arch-at91
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hardware.h

hardware.h 2.1 KB
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  1. /*
    2. 

  2.  * include/asm-arm/arch-at91/hardware.h
    3. 

  3.  *
    4. 

  4.  *  Copyright (C) 2003 SAN People
    5. 

  5.  *  Copyright (C) 2003 ATMEL
    6. 

  6.  *
    7. 

  7.  * This program is free software; you can redistribute it and/or modify
    8. 

  8.  * it under the terms of the GNU General Public License as published by
    9. 

  9.  * the Free Software Foundation; either version 2 of the License, or
    10. 

  10.  * (at your option) any later version.
    11. 

  11.  *
    12. 

  12.  */
    13. 

  13. 

  14. #ifndef __ASM_ARCH_HARDWARE_H
    15. 

  15. #define __ASM_ARCH_HARDWARE_H
    16. 

  16. 

  17. #include <asm/sizes.h>
    18. 

  18. 

  19. #if defined(CONFIG_ARCH_AT91RM9200)
    20. 

  20. #include <asm/arch/at91rm9200.h>
    21. 

  21. #elif defined(CONFIG_ARCH_AT91SAM9260)
    22. 

  22. #include <asm/arch/at91sam9260.h>
    23. 

  23. #elif defined(CONFIG_ARCH_AT91SAM9261)
    24. 

  24. #include <asm/arch/at91sam9261.h>
    25. 

  25. #elif defined(CONFIG_ARCH_AT91SAM9263)
    26. 

  26. #include <asm/arch/at91sam9263.h>
    27. 

  27. #elif defined(CONFIG_ARCH_AT91SAM9RL)
    28. 

  28. #include <asm/arch/at91sam9rl.h>
    29. 

  29. #else
    30. 

  30. #error "Unsupported AT91 processor"
    31. 

  31. #endif
    32. 

  32. 

  33. 

  34. /*
    35. 

  35.  * Remap the peripherals from address 0xFFF78000 .. 0xFFFFFFFF
    36. 

  36.  * to 0xFEF78000 .. 0xFF000000.  (544Kb)
    37. 

  37.  */
    38. 

  38. #define AT91_IO_PHYS_BASE	0xFFF78000
    39. 

  39. #define AT91_IO_SIZE		(0xFFFFFFFF - AT91_IO_PHYS_BASE + 1)
    40. 

  40. #define AT91_IO_VIRT_BASE	(0xFF000000 - AT91_IO_SIZE)
    41. 

  41. 

  42.  /* Convert a physical IO address to virtual IO address */
    43. 

  43. #define AT91_IO_P2V(x)		((x) - AT91_IO_PHYS_BASE + AT91_IO_VIRT_BASE)
    44. 

  44. 

  45. /*
    46. 

  46.  * Virtual to Physical Address mapping for IO devices.
    47. 

  47.  */
    48. 

  48. #define AT91_VA_BASE_SYS	AT91_IO_P2V(AT91_BASE_SYS)
    49. 

  49. #define AT91_VA_BASE_EMAC	AT91_IO_P2V(AT91RM9200_BASE_EMAC)
    50. 

  50. 

  51.  /* Internal SRAM is mapped below the IO devices */
    52. 

  52. #define AT91_SRAM_MAX		SZ_1M
    53. 

  53. #define AT91_VIRT_BASE		(AT91_IO_VIRT_BASE - AT91_SRAM_MAX)
    54. 

  54. 

  55. /* Serial ports */
    56. 

  56. #define ATMEL_MAX_UART		7		/* 6 USART3's and one DBGU port (SAM9260) */
    57. 

  57. 

  58. /* External Memory Map */
    59. 

  59. #define AT91_CHIPSELECT_0	0x10000000
    60. 

  60. #define AT91_CHIPSELECT_1	0x20000000
    61. 

  61. #define AT91_CHIPSELECT_2	0x30000000
    62. 

  62. #define AT91_CHIPSELECT_3	0x40000000
    63. 

  63. #define AT91_CHIPSELECT_4	0x50000000
    64. 

  64. #define AT91_CHIPSELECT_5	0x60000000
    65. 

  65. #define AT91_CHIPSELECT_6	0x70000000
    66. 

  66. #define AT91_CHIPSELECT_7	0x80000000
    67. 

  67. 

  68. /* SDRAM */
    69. 

  69. #define AT91_SDRAM_BASE		AT91_CHIPSELECT_1
    70. 

  70. 

  71. /* Clocks */
    72. 

  72. #define AT91_SLOW_CLOCK		32768		/* slow clock */
    73. 

  73. 

  74. 

  75. #endif
    76.