mx31pdk.c 2.4 KB

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  1. /*
  2. * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
  3. *
  4. * This program is free software; you can redistribute it and/or modify
  5. * it under the terms of the GNU General Public License as published by
  6. * the Free Software Foundation; either version 2 of the License, or
  7. * (at your option) any later version.
  8. *
  9. * This program is distributed in the hope that it will be useful,
  10. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. * GNU General Public License for more details.
  13. *
  14. * You should have received a copy of the GNU General Public License
  15. * along with this program; if not, write to the Free Software
  16. * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  17. */
  18. #include <linux/types.h>
  19. #include <linux/init.h>
  20. #include <linux/clk.h>
  21. #include <linux/irq.h>
  22. #include <mach/hardware.h>
  23. #include <asm/mach-types.h>
  24. #include <asm/mach/arch.h>
  25. #include <asm/mach/time.h>
  26. #include <asm/memory.h>
  27. #include <asm/mach/map.h>
  28. #include <mach/common.h>
  29. #include <mach/board-mx31pdk.h>
  30. #include <mach/imx-uart.h>
  31. #include <mach/iomux-mx3.h>
  32. #include "devices.h"
  33. /*!
  34. * @file mx31pdk.c
  35. *
  36. * @brief This file contains the board-specific initialization routines.
  37. *
  38. * @ingroup System
  39. */
  40. static int mx31pdk_pins[] = {
  41. /* UART1 */
  42. MX31_PIN_CTS1__CTS1,
  43. MX31_PIN_RTS1__RTS1,
  44. MX31_PIN_TXD1__TXD1,
  45. MX31_PIN_RXD1__RXD1
  46. };
  47. static struct imxuart_platform_data uart_pdata = {
  48. .flags = IMXUART_HAVE_RTSCTS,
  49. };
  50. /*!
  51. * Board specific initialization.
  52. */
  53. static void __init mxc_board_init(void)
  54. {
  55. mxc_iomux_setup_multiple_pins(mx31pdk_pins, ARRAY_SIZE(mx31pdk_pins),
  56. "mx31pdk");
  57. mxc_register_device(&mxc_uart_device0, &uart_pdata);
  58. }
  59. static void __init mx31pdk_timer_init(void)
  60. {
  61. mx31_clocks_init(26000000);
  62. }
  63. static struct sys_timer mx31pdk_timer = {
  64. .init = mx31pdk_timer_init,
  65. };
  66. /*
  67. * The following uses standard kernel macros defined in arch.h in order to
  68. * initialize __mach_desc_MX31PDK data structure.
  69. */
  70. MACHINE_START(MX31_3DS, "Freescale MX31PDK (3DS)")
  71. /* Maintainer: Freescale Semiconductor, Inc. */
  72. .phys_io = AIPS1_BASE_ADDR,
  73. .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
  74. .boot_params = PHYS_OFFSET + 0x100,
  75. .map_io = mx31_map_io,
  76. .init_irq = mxc_init_irq,
  77. .init_machine = mxc_board_init,
  78. .timer = &mx31pdk_timer,
  79. MACHINE_END