basicAlgorithmEncapsulation.c 3.5 KB

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  1. /*
  2. * arch/arm/mach-at91/at91sam9260_devices.c
  3. *
  4. * Copyright (C) 2006 Atmel
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License as published by
  8. * the Free Software Foundation; either version 2 of the License, or
  9. * (at your option) any later version.
  10. *
  11. */
  12. #include <asm/mach/arch.h>
  13. #include <asm/mach/map.h>
  14. #include <linux/dma-mapping.h>
  15. #include <linux/gpio.h>
  16. #include <linux/platform_device.h>
  17. #include <linux/i2c-gpio.h>
  18. #include <linux/platform_data/at91_adc.h>
  19. #include <mach/cpu.h>
  20. #include <mach/at91sam9260.h>
  21. #include <mach/at91sam9260_matrix.h>
  22. #include <mach/at91_matrix.h>
  23. #include <mach/at91sam9_smc.h>
  24. #include <mach/at91_adc.h>
  25. #include "board.h"
  26. #include "generic.h"
  27. /* --------------------------------------------------------------------
  28. * USB Host
  29. * -------------------------------------------------------------------- */
  30. #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
  31. static u64 ohci_dmamask = DMA_BIT_MASK(32);
  32. static struct at91_usbh_data usbh_data;
  33. static struct resource usbh_resources[] = {
  34. [0] = {
  35. .start = AT91SAM9260_UHP_BASE,
  36. .end = AT91SAM9260_UHP_BASE + SZ_1M - 1,
  37. .flags = IORESOURCE_MEM,
  38. },
  39. [1] = {
  40. .start = NR_IRQS_LEGACY + AT91SAM9260_ID_UHP,
  41. .end = NR_IRQS_LEGACY + AT91SAM9260_ID_UHP,
  42. .flags = IORESOURCE_IRQ,
  43. },
  44. };
  45. static struct platform_device at91_usbh_device = {
  46. .name = "at91_ohci",
  47. .id = -1,
  48. .dev = {
  49. .dma_mask = &ohci_dmamask,
  50. .coherent_dma_mask = DMA_BIT_MASK(32),
  51. .platform_data = &usbh_data,
  52. },
  53. .resource = usbh_resources,
  54. .num_resources = ARRAY_SIZE(usbh_resources),
  55. };
  56. void __init at91_add_device_usbh(struct at91_usbh_data *data)
  57. {
  58. int i;
  59. if (!data)
  60. return;
  61. /* Enable overcurrent notification */
  62. for (i = 0; i < data->ports; i++) {
  63. if (gpio_is_valid(data->overcurrent_pin[i]))
  64. at91_set_gpio_input(data->overcurrent_pin[i], 1);
  65. }
  66. usbh_data = *data;
  67. platform_device_register(&at91_usbh_device);
  68. }
  69. #else
  70. void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
  71. #endif
  72. /* --------------------------------------------------------------------
  73. * USB Device (Gadget)
  74. * -------------------------------------------------------------------- */
  75. #if defined(CONFIG_USB_AT91) || defined(CONFIG_USB_AT91_MODULE)
  76. static struct at91_udc_data udc_data;
  77. static struct resource udc_resources[] = {
  78. [0] = {
  79. .start = AT91SAM9260_BASE_UDP,
  80. .end = AT91SAM9260_BASE_UDP + SZ_16K - 1,
  81. .flags = IORESOURCE_MEM,
  82. },
  83. [1] = {
  84. .start = NR_IRQS_LEGACY + AT91SAM9260_ID_UDP,
  85. .end = NR_IRQS_LEGACY + AT91SAM9260_ID_UDP,
  86. .flags = IORESOURCE_IRQ,
  87. },
  88. };
  89. static struct platform_device at91_udc_device = {
  90. .name = "at91_udc",
  91. .id = -1,
  92. .dev = {
  93. .platform_data = &udc_data,
  94. },
  95. .resource = udc_resources,
  96. .num_resources = ARRAY_SIZE(udc_resources),
  97. };
  98. void __init at91_add_device_udc(struct at91_udc_data *data)
  99. {
  100. if (!data)
  101. return;
  102. if (gpio_is_valid(data->vbus_pin)) {
  103. at91_set_gpio_input(data->vbus_pin, 0);
  104. at91_set_deglitch(data->vbus_pin, 1);
  105. }
  106. /* Pullup pin is handled internally by USB device peripheral */
  107. udc_data = *data;
  108. platform_device_register(&at91_udc_device);
  109. }
  110. #else
  111. void __init at91_add_device_udc(struct at91_udc_data *data) {}
  112. #endif
  113. /* --------------------------------------------------------------------
  114. * Ethernet
  115. * -------------------------------------------------------------------- */
  116. #if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE)
  117. static u64 eth_dmamask = DMA_BIT_MASK(32);
  118. static struct macb_platform_data eth_data;