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arm
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mach-ixp23xx
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espresso.c

espresso.c 2.2 KB
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  1. /*
    2. 

  2.  * arch/arm/mach-ixp23xx/espresso.c
    3. 

  3.  *
    4. 

  4.  * Double Espresso-specific routines
    5. 

  5.  *
    6. 

  6.  * Author: Lennert Buytenhek <buytenh@wantstofly.org>
    7. 

  7.  *
    8. 

  8.  * This file is licensed under the terms of the GNU General Public
    9. 

  9.  * License version 2. This program is licensed "as is" without any
    10. 

  10.  * warranty of any kind, whether express or implied.
    11. 

  11.  */
    12. 

  12. 

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

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

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

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

  17. #include <linux/interrupt.h>
    18. 

  18. #include <linux/serial.h>
    19. 

  19. #include <linux/tty.h>
    20. 

  20. #include <linux/bitops.h>
    21. 

  21. #include <linux/ioport.h>
    22. 

  22. #include <linux/serial_8250.h>
    23. 

  23. #include <linux/serial_core.h>
    24. 

  24. #include <linux/device.h>
    25. 

  25. #include <linux/mm.h>
    26. 

  26. #include <linux/pci.h>
    27. 

  27. #include <linux/mtd/physmap.h>
    28. 

  28. 

  29. #include <asm/types.h>
    30. 

  30. #include <asm/setup.h>
    31. 

  31. #include <asm/memory.h>
    32. 

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

  33. #include <asm/mach-types.h>
    34. 

  34. #include <asm/irq.h>
    35. 

  35. #include <asm/system.h>
    36. 

  36. #include <asm/tlbflush.h>
    37. 

  37. #include <asm/pgtable.h>
    38. 

  38. 

  39. #include <asm/mach/map.h>
    40. 

  40. #include <asm/mach/irq.h>
    41. 

  41. #include <asm/mach/arch.h>
    42. 

  42. #include <asm/mach/pci.h>
    43. 

  43. 

  44. static int __init espresso_pci_init(void)
    45. 

  45. {
    46. 

  46. 	if (machine_is_espresso())
    47. 

  47. 		ixp23xx_pci_slave_init();
    48. 

  48. 

  49. 	return 0;
    50. 

  50. };
    51. 

  51. subsys_initcall(espresso_pci_init);
    52. 

  52. 

  53. static struct physmap_flash_data espresso_flash_data = {
    54. 

  54. 	.width		= 2,
    55. 

  55. };
    56. 

  56. 

  57. static struct resource espresso_flash_resource = {
    58. 

  58. 	.start		= 0x90000000,
    59. 

  59. 	.end		= 0x91ffffff,
    60. 

  60. 	.flags		= IORESOURCE_MEM,
    61. 

  61. };
    62. 

  62. 

  63. static struct platform_device espresso_flash = {
    64. 

  64. 	.name		= "physmap-flash",
    65. 

  65. 	.id		= 0,
    66. 

  66. 	.dev		= {
    67. 

  67. 		.platform_data	= &espresso_flash_data,
    68. 

  68. 	},
    69. 

  69. 	.num_resources	= 1,
    70. 

  70. 	.resource	= &espresso_flash_resource,
    71. 

  71. };
    72. 

  72. 

  73. static void __init espresso_init(void)
    74. 

  74. {
    75. 

  75. 	platform_device_register(&espresso_flash);
    76. 

  76. 

  77. 	/*
    78. 

  78. 	 * Mark flash as writeable.
    79. 

  79. 	 */
    80. 

  80. 	IXP23XX_EXP_CS0[0] |= IXP23XX_FLASH_WRITABLE;
    81. 

  81. 	IXP23XX_EXP_CS0[1] |= IXP23XX_FLASH_WRITABLE;
    82. 

  82. 

  83. 	ixp23xx_sys_init();
    84. 

  84. }
    85. 

  85. 

  86. MACHINE_START(ESPRESSO, "IP Fabrics Double Espresso")
    87. 

  87. 	/* Maintainer: Lennert Buytenhek */
    88. 

  88. 	.phys_io	= IXP23XX_PERIPHERAL_PHYS,
    89. 

  89. 	.io_pg_offst	= ((IXP23XX_PERIPHERAL_VIRT >> 18)) & 0xfffc,
    90. 

  90. 	.map_io		= ixp23xx_map_io,
    91. 

  91. 	.init_irq	= ixp23xx_init_irq,
    92. 

  92. 	.timer		= &ixp23xx_timer,
    93. 

  93. 	.boot_params	= 0x00000100,
    94. 

  94. 	.init_machine	= espresso_init,
    95. 

  95. MACHINE_END
    96.