setup.c 1015 B

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  1. /*
  2. * Microwatt FPGA-based SoC platform setup code.
  3. *
  4. * Copyright 2020 Paul Mackerras ([email protected]), IBM Corp.
  5. */
  6. #include <linux/types.h>
  7. #include <linux/kernel.h>
  8. #include <linux/stddef.h>
  9. #include <linux/init.h>
  10. #include <linux/of.h>
  11. #include <linux/of_platform.h>
  12. #include <asm/machdep.h>
  13. #include <asm/time.h>
  14. #include <asm/xics.h>
  15. #include <asm/udbg.h>
  16. #include "microwatt.h"
  17. static void __init microwatt_init_IRQ(void)
  18. {
  19. xics_init();
  20. }
  21. static int __init microwatt_probe(void)
  22. {
  23. return of_machine_is_compatible("microwatt-soc");
  24. }
  25. static int __init microwatt_populate(void)
  26. {
  27. return of_platform_default_populate(NULL, NULL, NULL);
  28. }
  29. machine_arch_initcall(microwatt, microwatt_populate);
  30. static void __init microwatt_setup_arch(void)
  31. {
  32. microwatt_rng_init();
  33. }
  34. define_machine(microwatt) {
  35. .name = "microwatt",
  36. .probe = microwatt_probe,
  37. .init_IRQ = microwatt_init_IRQ,
  38. .setup_arch = microwatt_setup_arch,
  39. .progress = udbg_progress,
  40. .calibrate_decr = generic_calibrate_decr,
  41. };