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arch
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arm
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mach-at91
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include
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mach
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hardware.h

hardware.h 2.8 KB
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  1. /*
    2. 

  2.  * arch/arm/mach-at91/include/mach/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 <mach/at91rm9200.h>
    21. 

  21. #elif defined(CONFIG_ARCH_AT91SAM9260) || defined(CONFIG_ARCH_AT91SAM9G20)
    22. 

  22. #include <mach/at91sam9260.h>
    23. 

  23. #elif defined(CONFIG_ARCH_AT91SAM9261) || defined(CONFIG_ARCH_AT91SAM9G10)
    24. 

  24. #include <mach/at91sam9261.h>
    25. 

  25. #elif defined(CONFIG_ARCH_AT91SAM9263)
    26. 

  26. #include <mach/at91sam9263.h>
    27. 

  27. #elif defined(CONFIG_ARCH_AT91SAM9RL)
    28. 

  28. #include <mach/at91sam9rl.h>
    29. 

  29. #elif defined(CONFIG_ARCH_AT91SAM9G45)
    30. 

  30. #include <mach/at91sam9g45.h>
    31. 

  31. #elif defined(CONFIG_ARCH_AT91CAP9)
    32. 

  32. #include <mach/at91cap9.h>
    33. 

  33. #elif defined(CONFIG_ARCH_AT91X40)
    34. 

  34. #include <mach/at91x40.h>
    35. 

  35. #elif defined(CONFIG_ARCH_AT572D940HF)
    36. 

  36. #include <mach/at572d940hf.h>
    37. 

  37. #else
    38. 

  38. #error "Unsupported AT91 processor"
    39. 

  39. #endif
    40. 

  40. 

  41. 

  42. /*
    43. 

  43.  * Peripheral identifiers/interrupts.
    44. 

  44.  */
    45. 

  45. #define AT91_ID_FIQ		0	/* Advanced Interrupt Controller (FIQ) */
    46. 

  46. #define AT91_ID_SYS		1	/* System Peripherals */
    47. 

  47. 

  48. #ifdef CONFIG_MMU
    49. 

  49. /*
    50. 

  50.  * Remap the peripherals from address 0xFFF78000 .. 0xFFFFFFFF
    51. 

  51.  * to 0xFEF78000 .. 0xFF000000.  (544Kb)
    52. 

  52.  */
    53. 

  53. #define AT91_IO_PHYS_BASE	0xFFF78000
    54. 

  54. #define AT91_IO_VIRT_BASE	(0xFF000000 - AT91_IO_SIZE)
    55. 

  55. #else
    56. 

  56. /*
    57. 

  57.  * Identity mapping for the non MMU case.
    58. 

  58.  */
    59. 

  59. #define AT91_IO_PHYS_BASE	AT91_BASE_SYS
    60. 

  60. #define AT91_IO_VIRT_BASE	AT91_IO_PHYS_BASE
    61. 

  61. #endif
    62. 

  62. 

  63. #define AT91_IO_SIZE		(0xFFFFFFFF - AT91_IO_PHYS_BASE + 1)
    64. 

  64. 

  65.  /* Convert a physical IO address to virtual IO address */
    66. 

  66. #define AT91_IO_P2V(x)		((x) - AT91_IO_PHYS_BASE + AT91_IO_VIRT_BASE)
    67. 

  67. 

  68. /*
    69. 

  69.  * Virtual to Physical Address mapping for IO devices.
    70. 

  70.  */
    71. 

  71. #define AT91_VA_BASE_SYS	AT91_IO_P2V(AT91_BASE_SYS)
    72. 

  72. #define AT91_VA_BASE_EMAC	AT91_IO_P2V(AT91RM9200_BASE_EMAC)
    73. 

  73. 

  74.  /* Internal SRAM is mapped below the IO devices */
    75. 

  75. #define AT91_SRAM_MAX		SZ_1M
    76. 

  76. #define AT91_VIRT_BASE		(AT91_IO_VIRT_BASE - AT91_SRAM_MAX)
    77. 

  77. 

  78. /* Serial ports */
    79. 

  79. #define ATMEL_MAX_UART		7		/* 6 USART3's and one DBGU port (SAM9260) */
    80. 

  80. 

  81. /* External Memory Map */
    82. 

  82. #define AT91_CHIPSELECT_0	0x10000000
    83. 

  83. #define AT91_CHIPSELECT_1	0x20000000
    84. 

  84. #define AT91_CHIPSELECT_2	0x30000000
    85. 

  85. #define AT91_CHIPSELECT_3	0x40000000
    86. 

  86. #define AT91_CHIPSELECT_4	0x50000000
    87. 

  87. #define AT91_CHIPSELECT_5	0x60000000
    88. 

  88. #define AT91_CHIPSELECT_6	0x70000000
    89. 

  89. #define AT91_CHIPSELECT_7	0x80000000
    90. 

  90. 

  91. /* SDRAM */
    92. 

  92. #ifdef CONFIG_DRAM_BASE
    93. 

  93. #define AT91_SDRAM_BASE		CONFIG_DRAM_BASE
    94. 

  94. #else
    95. 

  95. #define AT91_SDRAM_BASE		AT91_CHIPSELECT_1
    96. 

  96. #endif
    97. 

  97. 

  98. /* Clocks */
    99. 

  99. #define AT91_SLOW_CLOCK		32768		/* slow clock */
    100. 

  100. 

  101. 

  102. #endif
    103.