board-generic.c 2.8 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119
  1. /*
  2. * linux/arch/arm/mach-omap1/board-generic.c
  3. *
  4. * Modified from board-innovator1510.c
  5. *
  6. * Code for generic OMAP board. Should work on many OMAP systems where
  7. * the device drivers take care of all the necessary hardware initialization.
  8. * Do not put any board specific code to this file; create a new machine
  9. * type if you need custom low-level initializations.
  10. *
  11. * This program is free software; you can redistribute it and/or modify
  12. * it under the terms of the GNU General Public License version 2 as
  13. * published by the Free Software Foundation.
  14. */
  15. #include <linux/kernel.h>
  16. #include <linux/init.h>
  17. #include <linux/platform_device.h>
  18. #include <asm/hardware.h>
  19. #include <asm/mach-types.h>
  20. #include <asm/mach/arch.h>
  21. #include <asm/mach/map.h>
  22. #include <asm/arch/gpio.h>
  23. #include <asm/arch/mux.h>
  24. #include <asm/arch/usb.h>
  25. #include <asm/arch/board.h>
  26. #include <asm/arch/common.h>
  27. static void __init omap_generic_init_irq(void)
  28. {
  29. omap_init_irq();
  30. }
  31. /* assume no Mini-AB port */
  32. #ifdef CONFIG_ARCH_OMAP15XX
  33. static struct omap_usb_config generic1510_usb_config __initdata = {
  34. .register_host = 1,
  35. .register_dev = 1,
  36. .hmc_mode = 16,
  37. .pins[0] = 3,
  38. };
  39. #endif
  40. #if defined(CONFIG_ARCH_OMAP16XX)
  41. static struct omap_usb_config generic1610_usb_config __initdata = {
  42. #ifdef CONFIG_USB_OTG
  43. .otg = 1,
  44. #endif
  45. .register_host = 1,
  46. .register_dev = 1,
  47. .hmc_mode = 16,
  48. .pins[0] = 6,
  49. };
  50. static struct omap_mmc_config generic_mmc_config __initdata = {
  51. .mmc [0] = {
  52. .enabled = 0,
  53. .wire4 = 0,
  54. .wp_pin = -1,
  55. .power_pin = -1,
  56. .switch_pin = -1,
  57. },
  58. .mmc [1] = {
  59. .enabled = 0,
  60. .wire4 = 0,
  61. .wp_pin = -1,
  62. .power_pin = -1,
  63. .switch_pin = -1,
  64. },
  65. };
  66. #endif
  67. static struct omap_uart_config generic_uart_config __initdata = {
  68. .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
  69. };
  70. static struct omap_board_config_kernel generic_config[] = {
  71. { OMAP_TAG_USB, NULL },
  72. { OMAP_TAG_MMC, &generic_mmc_config },
  73. { OMAP_TAG_UART, &generic_uart_config },
  74. };
  75. static void __init omap_generic_init(void)
  76. {
  77. #ifdef CONFIG_ARCH_OMAP15XX
  78. if (cpu_is_omap1510()) {
  79. generic_config[0].data = &generic1510_usb_config;
  80. }
  81. #endif
  82. #if defined(CONFIG_ARCH_OMAP16XX)
  83. if (!cpu_is_omap1510()) {
  84. generic_config[0].data = &generic1610_usb_config;
  85. }
  86. #endif
  87. omap_board_config = generic_config;
  88. omap_board_config_size = ARRAY_SIZE(generic_config);
  89. omap_serial_init();
  90. }
  91. static void __init omap_generic_map_io(void)
  92. {
  93. omap_map_common_io();
  94. }
  95. MACHINE_START(OMAP_GENERIC, "Generic OMAP1510/1610/1710")
  96. /* Maintainer: Tony Lindgren <tony@atomide.com> */
  97. .phys_io = 0xfff00000,
  98. .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
  99. .boot_params = 0x10000100,
  100. .map_io = omap_generic_map_io,
  101. .init_irq = omap_generic_init_irq,
  102. .init_machine = omap_generic_init,
  103. .timer = &omap_timer,
  104. MACHINE_END