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arch
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arm
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mach-ixp4xx
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gateway7001-setup.c

gateway7001-setup.c 2.6 KB
Istoric Crud

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  1. /*
    2. 

  2.  * arch/arm/mach-ixp4xx/gateway7001-setup.c
    3. 

  3.  *
    4. 

  4.  * Board setup for the Gateway 7001 board
    5. 

  5.  *
    6. 

  6.  * Copyright (C) 2007 Imre Kaloz <kaloz@openwrt.org>
    7. 

  7.  *
    8. 

  8.  * based on coyote-setup.c:
    9. 

  9.  *      Copyright (C) 2003-2005 MontaVista Software, Inc.
    10. 

  10.  *
    11. 

  11.  * Author: Imre Kaloz <Kaloz@openwrt.org>
    12. 

  12.  */
    13. 

  13. 

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

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

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

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

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

  19. #include <linux/serial_8250.h>
    20. 

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

  21. 

  22. #include <asm/types.h>
    23. 

  23. #include <asm/setup.h>
    24. 

  24. #include <asm/memory.h>
    25. 

  25. #include <mach/hardware.h>
    26. 

  26. #include <asm/irq.h>
    27. 

  27. #include <asm/mach-types.h>
    28. 

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

  29. #include <asm/mach/flash.h>
    30. 

  30. 

  31. static struct flash_platform_data gateway7001_flash_data = {
    32. 

  32. 	.map_name	= "cfi_probe",
    33. 

  33. 	.width		= 2,
    34. 

  34. };
    35. 

  35. 

  36. static struct resource gateway7001_flash_resource = {
    37. 

  37. 	.flags		= IORESOURCE_MEM,
    38. 

  38. };
    39. 

  39. 

  40. static struct platform_device gateway7001_flash = {
    41. 

  41. 	.name		= "IXP4XX-Flash",
    42. 

  42. 	.id		= 0,
    43. 

  43. 	.dev		= {
    44. 

  44. 		.platform_data = &gateway7001_flash_data,
    45. 

  45. 	},
    46. 

  46. 	.num_resources	= 1,
    47. 

  47. 	.resource	= &gateway7001_flash_resource,
    48. 

  48. };
    49. 

  49. 

  50. static struct resource gateway7001_uart_resource = {
    51. 

  51. 	.start	= IXP4XX_UART2_BASE_PHYS,
    52. 

  52. 	.end	= IXP4XX_UART2_BASE_PHYS + 0x0fff,
    53. 

  53. 	.flags	= IORESOURCE_MEM,
    54. 

  54. };
    55. 

  55. 

  56. static struct plat_serial8250_port gateway7001_uart_data[] = {
    57. 

  57. 	{
    58. 

  58. 		.mapbase	= IXP4XX_UART2_BASE_PHYS,
    59. 

  59. 		.membase	= (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
    60. 

  60. 		.irq		= IRQ_IXP4XX_UART2,
    61. 

  61. 		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
    62. 

  62. 		.iotype		= UPIO_MEM,
    63. 

  63. 		.regshift	= 2,
    64. 

  64. 		.uartclk	= IXP4XX_UART_XTAL,
    65. 

  65. 	},
    66. 

  66. 	{ },
    67. 

  67. };
    68. 

  68. 

  69. static struct platform_device gateway7001_uart = {
    70. 

  70. 	.name		= "serial8250",
    71. 

  71. 	.id		= PLAT8250_DEV_PLATFORM,
    72. 

  72. 	.dev			= {
    73. 

  73. 		.platform_data	= gateway7001_uart_data,
    74. 

  74. 	},
    75. 

  75. 	.num_resources	= 1,
    76. 

  76. 	.resource	= &gateway7001_uart_resource,
    77. 

  77. };
    78. 

  78. 

  79. static struct platform_device *gateway7001_devices[] __initdata = {
    80. 

  80. 	&gateway7001_flash,
    81. 

  81. 	&gateway7001_uart
    82. 

  82. };
    83. 

  83. 

  84. static void __init gateway7001_init(void)
    85. 

  85. {
    86. 

  86. 	ixp4xx_sys_init();
    87. 

  87. 

  88. 	gateway7001_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
    89. 

  89. 	gateway7001_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
    90. 

  90. 

  91. 	*IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
    92. 

  92. 	*IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
    93. 

  93. 

  94. 	platform_add_devices(gateway7001_devices, ARRAY_SIZE(gateway7001_devices));
    95. 

  95. }
    96. 

  96. 

  97. #ifdef CONFIG_MACH_GATEWAY7001
    98. 

  98. MACHINE_START(GATEWAY7001, "Gateway 7001 AP")
    99. 

  99. 	/* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
    100. 

  100. 	.phys_io	= IXP4XX_PERIPHERAL_BASE_PHYS,
    101. 

  101. 	.io_pg_offst	= ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
    102. 

  102. 	.map_io		= ixp4xx_map_io,
    103. 

  103. 	.init_irq	= ixp4xx_init_irq,
    104. 

  104. 	.timer		= &ixp4xx_timer,
    105. 

  105. 	.boot_params	= 0x0100,
    106. 

  106. 	.init_machine	= gateway7001_init,
    107. 

  107. MACHINE_END
    108. 

  108. #endif
    109.