mm-imx25.c 1.8 KB

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  1. /*
  2. * Copyright (C) 1999,2000 Arm Limited
  3. * Copyright (C) 2000 Deep Blue Solutions Ltd
  4. * Copyright (C) 2002 Shane Nay (shane@minirl.com)
  5. * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
  6. * - add MX31 specific definitions
  7. *
  8. * This program is free software; you can redistribute it and/or modify
  9. * it under the terms of the GNU General Public License as published by
  10. * the Free Software Foundation; either version 2 of the License, or
  11. * (at your option) any later version.
  12. *
  13. * This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. * GNU General Public License for more details.
  17. */
  18. #include <linux/mm.h>
  19. #include <linux/init.h>
  20. #include <linux/err.h>
  21. #include <asm/pgtable.h>
  22. #include <asm/mach/map.h>
  23. #include <mach/common.h>
  24. #include <mach/hardware.h>
  25. #include <mach/mx25.h>
  26. #include <mach/iomux-v3.h>
  27. /*
  28. * This table defines static virtual address mappings for I/O regions.
  29. * These are the mappings common across all MX25 boards.
  30. */
  31. static struct map_desc mx25_io_desc[] __initdata = {
  32. imx_map_entry(MX25, AVIC, MT_DEVICE_NONSHARED),
  33. imx_map_entry(MX25, AIPS1, MT_DEVICE_NONSHARED),
  34. imx_map_entry(MX25, AIPS2, MT_DEVICE_NONSHARED),
  35. };
  36. /*
  37. * This function initializes the memory map. It is called during the
  38. * system startup to create static physical to virtual memory mappings
  39. * for the IO modules.
  40. */
  41. void __init mx25_map_io(void)
  42. {
  43. mxc_set_cpu_type(MXC_CPU_MX25);
  44. mxc_iomux_v3_init(MX25_IO_ADDRESS(MX25_IOMUXC_BASE_ADDR));
  45. mxc_arch_reset_init(MX25_IO_ADDRESS(MX25_WDOG_BASE_ADDR));
  46. iotable_init(mx25_io_desc, ARRAY_SIZE(mx25_io_desc));
  47. }
  48. int imx25_register_gpios(void);
  49. void __init mx25_init_irq(void)
  50. {
  51. mxc_init_irq(MX25_IO_ADDRESS(MX25_AVIC_BASE_ADDR));
  52. imx25_register_gpios();
  53. }