s3c6400.c 1.9 KB

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  1. /* linux/arch/arm/mach-s3c6410/cpu.c
  2. *
  3. * Copyright 2009 Simtec Electronics
  4. * Ben Dooks <ben@simtec.co.uk>
  5. * http://armlinux.simtec.co.uk/
  6. *
  7. * This program is free software; you can redistribute it and/or modify
  8. * it under the terms of the GNU General Public License version 2 as
  9. * published by the Free Software Foundation.
  10. */
  11. #include <linux/kernel.h>
  12. #include <linux/types.h>
  13. #include <linux/interrupt.h>
  14. #include <linux/list.h>
  15. #include <linux/timer.h>
  16. #include <linux/init.h>
  17. #include <linux/clk.h>
  18. #include <linux/io.h>
  19. #include <linux/sysdev.h>
  20. #include <linux/serial_core.h>
  21. #include <linux/platform_device.h>
  22. #include <asm/mach/arch.h>
  23. #include <asm/mach/map.h>
  24. #include <asm/mach/irq.h>
  25. #include <mach/hardware.h>
  26. #include <asm/irq.h>
  27. #include <plat/cpu-freq.h>
  28. #include <plat/regs-serial.h>
  29. #include <plat/regs-clock.h>
  30. #include <plat/cpu.h>
  31. #include <plat/devs.h>
  32. #include <plat/clock.h>
  33. #include <plat/sdhci.h>
  34. #include <plat/iic-core.h>
  35. #include <plat/s3c6400.h>
  36. void __init s3c6400_map_io(void)
  37. {
  38. /* setup SDHCI */
  39. s3c6400_default_sdhci0();
  40. s3c6400_default_sdhci1();
  41. /* the i2c devices are directly compatible with s3c2440 */
  42. s3c_i2c0_setname("s3c2440-i2c");
  43. }
  44. void __init s3c6400_init_clocks(int xtal)
  45. {
  46. printk(KERN_DEBUG "%s: initialising clocks\n", __func__);
  47. s3c24xx_register_baseclocks(xtal);
  48. s3c64xx_register_clocks();
  49. s3c6400_register_clocks(S3C6400_CLKDIV0_ARM_MASK);
  50. s3c6400_setup_clocks();
  51. }
  52. void __init s3c6400_init_irq(void)
  53. {
  54. /* VIC0 does not have IRQS 5..7,
  55. * VIC1 is fully populated. */
  56. s3c64xx_init_irq(~0 & ~(0xf << 5), ~0);
  57. }
  58. struct sysdev_class s3c6400_sysclass = {
  59. .name = "s3c6400-core",
  60. };
  61. static struct sys_device s3c6400_sysdev = {
  62. .cls = &s3c6400_sysclass,
  63. };
  64. static int __init s3c6400_core_init(void)
  65. {
  66. return sysdev_class_register(&s3c6400_sysclass);
  67. }
  68. core_initcall(s3c6400_core_init);
  69. int __init s3c6400_init(void)
  70. {
  71. printk("S3C6400: Initialising architecture\n");
  72. return sysdev_register(&s3c6400_sysdev);
  73. }