board-generic.c 2.5 KB

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  1. /*
  2. * linux/arch/arm/mach-omap/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/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 "common.h"
  27. static int __initdata generic_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 1};
  28. static void __init omap_generic_init_irq(void)
  29. {
  30. omap_init_irq();
  31. }
  32. /* assume no Mini-AB port */
  33. #ifdef CONFIG_ARCH_OMAP1510
  34. static struct omap_usb_config generic1510_usb_config __initdata = {
  35. .register_host = 1,
  36. .register_dev = 1,
  37. .hmc_mode = 16,
  38. .pins[0] = 3,
  39. };
  40. #endif
  41. #if defined(CONFIG_ARCH_OMAP16XX)
  42. static struct omap_usb_config generic1610_usb_config __initdata = {
  43. .register_host = 1,
  44. .register_dev = 1,
  45. .hmc_mode = 16,
  46. .pins[0] = 6,
  47. };
  48. #endif
  49. static struct omap_board_config_kernel generic_config[] = {
  50. { OMAP_TAG_USB, NULL },
  51. };
  52. static void __init omap_generic_init(void)
  53. {
  54. /*
  55. * Make sure the serial ports are muxed on at this point.
  56. * You have to mux them off in device drivers later on
  57. * if not needed.
  58. */
  59. #ifdef CONFIG_ARCH_OMAP1510
  60. if (cpu_is_omap1510()) {
  61. generic_config[0].data = &generic1510_usb_config;
  62. }
  63. #endif
  64. #if defined(CONFIG_ARCH_OMAP16XX)
  65. if (!cpu_is_omap1510()) {
  66. generic_config[0].data = &generic1610_usb_config;
  67. }
  68. #endif
  69. omap_board_config = generic_config;
  70. omap_board_config_size = ARRAY_SIZE(generic_config);
  71. omap_serial_init(generic_serial_ports);
  72. }
  73. static void __init omap_generic_map_io(void)
  74. {
  75. omap_map_io();
  76. }
  77. MACHINE_START(OMAP_GENERIC, "Generic OMAP1510/1610/1710")
  78. /* Maintainer: Tony Lindgren <tony@atomide.com> */
  79. .phys_ram = 0x10000000,
  80. .phys_io = 0xfff00000,
  81. .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
  82. .boot_params = 0x10000100,
  83. .map_io = omap_generic_map_io,
  84. .init_irq = omap_generic_init_irq,
  85. .init_machine = omap_generic_init,
  86. .timer = &omap_timer,
  87. MACHINE_END