cpu.c 1.9 KB

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  1. /* linux/arch/arm/mach-s3c6410/cpu.c
  2. *
  3. * Copyright 2008 Simtec Electronics
  4. * Copyright 2008 Simtec Electronics
  5. * Ben Dooks <ben@simtec.co.uk>
  6. * http://armlinux.simtec.co.uk/
  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 version 2 as
  10. * published by the Free Software Foundation.
  11. */
  12. #include <linux/kernel.h>
  13. #include <linux/types.h>
  14. #include <linux/interrupt.h>
  15. #include <linux/list.h>
  16. #include <linux/timer.h>
  17. #include <linux/init.h>
  18. #include <linux/clk.h>
  19. #include <linux/io.h>
  20. #include <linux/sysdev.h>
  21. #include <linux/serial_core.h>
  22. #include <linux/platform_device.h>
  23. #include <asm/mach/arch.h>
  24. #include <asm/mach/map.h>
  25. #include <asm/mach/irq.h>
  26. #include <mach/hardware.h>
  27. #include <asm/irq.h>
  28. #include <plat/cpu-freq.h>
  29. #include <plat/regs-serial.h>
  30. #include <plat/cpu.h>
  31. #include <plat/devs.h>
  32. #include <plat/clock.h>
  33. #include <plat/s3c6410.h>
  34. /* Initial IO mappings */
  35. static struct map_desc s3c6410_iodesc[] __initdata = {
  36. };
  37. /* s3c6410_map_io
  38. *
  39. * register the standard cpu IO areas
  40. */
  41. void __init s3c6410_map_io(void)
  42. {
  43. iotable_init(s3c6410_iodesc, ARRAY_SIZE(s3c6410_iodesc));
  44. }
  45. void __init s3c6410_init_clocks(int xtal)
  46. {
  47. printk(KERN_INFO "%s: initialising clocks\n", __func__);
  48. s3c24xx_register_baseclocks(xtal);
  49. s3c64xx_register_clocks();
  50. }
  51. void __init s3c6410_init_irq(void)
  52. {
  53. /* VIC0 is missing IRQ7, VIC1 is fully populated. */
  54. s3c64xx_init_irq(~0 & ~(1 << 7), ~0);
  55. }
  56. struct sysdev_class s3c6410_sysclass = {
  57. .name = "s3c6410-core",
  58. };
  59. static struct sys_device s3c6410_sysdev = {
  60. .cls = &s3c6410_sysclass,
  61. };
  62. static int __init s3c6410_core_init(void)
  63. {
  64. return sysdev_class_register(&s3c6410_sysclass);
  65. }
  66. core_initcall(s3c6410_core_init);
  67. int __init s3c6410_init(void)
  68. {
  69. printk("S3C6410: Initialising architecture\n");
  70. return sysdev_register(&s3c6410_sysdev);
  71. }