mpc5121_ads.c 1.4 KB

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  1. /*
  2. * Copyright (C) 2007, 2008 Freescale Semiconductor, Inc. All rights reserved.
  3. *
  4. * Author: John Rigby, <jrigby@freescale.com>, Thur Mar 29 2007
  5. *
  6. * Description:
  7. * MPC5121 ADS board setup
  8. *
  9. * This is free software; you can redistribute it and/or modify it
  10. * under the terms of the GNU General Public License as published by
  11. * the Free Software Foundation; either version 2 of the License, or
  12. * (at your option) any later version.
  13. *
  14. */
  15. #include <linux/kernel.h>
  16. #include <linux/io.h>
  17. #include <linux/of_platform.h>
  18. #include <asm/machdep.h>
  19. #include <asm/ipic.h>
  20. #include <asm/prom.h>
  21. #include <asm/time.h>
  22. #include "mpc512x.h"
  23. #include "mpc5121_ads.h"
  24. static void __init mpc5121_ads_setup_arch(void)
  25. {
  26. printk(KERN_INFO "MPC5121 ADS board from Freescale Semiconductor\n");
  27. /*
  28. * cpld regs are needed early
  29. */
  30. mpc5121_ads_cpld_map();
  31. }
  32. static void __init mpc5121_ads_init_IRQ(void)
  33. {
  34. mpc512x_init_IRQ();
  35. mpc5121_ads_cpld_pic_init();
  36. }
  37. /*
  38. * Called very early, MMU is off, device-tree isn't unflattened
  39. */
  40. static int __init mpc5121_ads_probe(void)
  41. {
  42. unsigned long root = of_get_flat_dt_root();
  43. return of_flat_dt_is_compatible(root, "fsl,mpc5121ads");
  44. }
  45. define_machine(mpc5121_ads) {
  46. .name = "MPC5121 ADS",
  47. .probe = mpc5121_ads_probe,
  48. .setup_arch = mpc5121_ads_setup_arch,
  49. .init = mpc512x_declare_of_platform_devices,
  50. .init_IRQ = mpc5121_ads_init_IRQ,
  51. .get_irq = ipic_get_irq,
  52. .calibrate_decr = generic_calibrate_decr,
  53. };