cpu-db8500.c 1.9 KB

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  1. /*
  2. * Copyright (C) 2008-2009 ST-Ericsson
  3. *
  4. * Author: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
  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 version 2, as
  8. * published by the Free Software Foundation.
  9. *
  10. */
  11. #include <linux/types.h>
  12. #include <linux/init.h>
  13. #include <linux/device.h>
  14. #include <linux/amba/bus.h>
  15. #include <linux/irq.h>
  16. #include <linux/gpio.h>
  17. #include <linux/platform_device.h>
  18. #include <linux/io.h>
  19. #include <asm/mach/map.h>
  20. #include <mach/hardware.h>
  21. #include <mach/setup.h>
  22. #include <mach/devices.h>
  23. static struct platform_device *platform_devs[] __initdata = {
  24. &u8500_gpio_devs[0],
  25. &u8500_gpio_devs[1],
  26. &u8500_gpio_devs[2],
  27. &u8500_gpio_devs[3],
  28. &u8500_gpio_devs[4],
  29. &u8500_gpio_devs[5],
  30. &u8500_gpio_devs[6],
  31. &u8500_gpio_devs[7],
  32. &u8500_gpio_devs[8],
  33. };
  34. /* minimum static i/o mapping required to boot U8500 platforms */
  35. static struct map_desc u8500_io_desc[] __initdata = {
  36. __IO_DEV_DESC(U8500_PRCMU_BASE, SZ_4K),
  37. __IO_DEV_DESC(U8500_GPIO0_BASE, SZ_4K),
  38. __IO_DEV_DESC(U8500_GPIO1_BASE, SZ_4K),
  39. __IO_DEV_DESC(U8500_GPIO2_BASE, SZ_4K),
  40. __IO_DEV_DESC(U8500_GPIO3_BASE, SZ_4K),
  41. };
  42. static struct map_desc u8500ed_io_desc[] __initdata = {
  43. __IO_DEV_DESC(U8500_MTU0_BASE_ED, SZ_4K),
  44. __IO_DEV_DESC(U8500_CLKRST7_BASE_ED, SZ_8K),
  45. };
  46. static struct map_desc u8500v1_io_desc[] __initdata = {
  47. __IO_DEV_DESC(U8500_MTU0_BASE, SZ_4K),
  48. };
  49. void __init u8500_map_io(void)
  50. {
  51. ux500_map_io();
  52. iotable_init(u8500_io_desc, ARRAY_SIZE(u8500_io_desc));
  53. if (cpu_is_u8500ed())
  54. iotable_init(u8500ed_io_desc, ARRAY_SIZE(u8500ed_io_desc));
  55. else
  56. iotable_init(u8500v1_io_desc, ARRAY_SIZE(u8500v1_io_desc));
  57. }
  58. /*
  59. * This function is called from the board init
  60. */
  61. void __init u8500_init_devices(void)
  62. {
  63. ux500_init_devices();
  64. /* Register the platform devices */
  65. platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs));
  66. return ;
  67. }