cpu.c 2.2 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/sdhci.h>
  34. #include <plat/iic-core.h>
  35. #include <plat/s3c6400.h>
  36. #include <plat/s3c6410.h>
  37. /* Initial IO mappings */
  38. static struct map_desc s3c6410_iodesc[] __initdata = {
  39. };
  40. /* s3c6410_map_io
  41. *
  42. * register the standard cpu IO areas
  43. */
  44. void __init s3c6410_map_io(void)
  45. {
  46. iotable_init(s3c6410_iodesc, ARRAY_SIZE(s3c6410_iodesc));
  47. /* initialise device information early */
  48. s3c6410_default_sdhci0();
  49. s3c6410_default_sdhci1();
  50. /* the i2c devices are directly compatible with s3c2440 */
  51. s3c_i2c0_setname("s3c2440-i2c");
  52. s3c_i2c1_setname("s3c2440-i2c");
  53. }
  54. void __init s3c6410_init_clocks(int xtal)
  55. {
  56. printk(KERN_DEBUG "%s: initialising clocks\n", __func__);
  57. s3c24xx_register_baseclocks(xtal);
  58. s3c64xx_register_clocks();
  59. s3c6400_register_clocks();
  60. s3c6400_setup_clocks();
  61. }
  62. void __init s3c6410_init_irq(void)
  63. {
  64. /* VIC0 is missing IRQ7, VIC1 is fully populated. */
  65. s3c64xx_init_irq(~0 & ~(1 << 7), ~0);
  66. }
  67. struct sysdev_class s3c6410_sysclass = {
  68. .name = "s3c6410-core",
  69. };
  70. static struct sys_device s3c6410_sysdev = {
  71. .cls = &s3c6410_sysclass,
  72. };
  73. static int __init s3c6410_core_init(void)
  74. {
  75. return sysdev_class_register(&s3c6410_sysclass);
  76. }
  77. core_initcall(s3c6410_core_init);
  78. int __init s3c6410_init(void)
  79. {
  80. printk("S3C6410: Initialising architecture\n");
  81. return sysdev_register(&s3c6410_sysdev);
  82. }