init.c 1.1 KB

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  1. /*
  2. * Copyright (C) 2009 Lemote Inc.
  3. * Author: Wu Zhangjin, wuzhangjin@gmail.com
  4. *
  5. * This program is free software; you can redistribute it and/or modify it
  6. * under the terms of the GNU General Public License as published by the
  7. * Free Software Foundation; either version 2 of the License, or (at your
  8. * option) any later version.
  9. */
  10. #include <linux/bootmem.h>
  11. #include <asm/bootinfo.h>
  12. #include <asm/smp-ops.h>
  13. #include <loongson.h>
  14. /* Loongson CPU address windows config space base address */
  15. unsigned long __maybe_unused _loongson_addrwincfg_base;
  16. void __init prom_init(void)
  17. {
  18. #ifdef CONFIG_CPU_SUPPORTS_ADDRWINCFG
  19. _loongson_addrwincfg_base = (unsigned long)
  20. ioremap(LOONGSON_ADDRWINCFG_BASE, LOONGSON_ADDRWINCFG_SIZE);
  21. #endif
  22. prom_init_cmdline();
  23. prom_init_env();
  24. /* init base address of io space */
  25. set_io_port_base((unsigned long)
  26. ioremap(LOONGSON_PCIIO_BASE, LOONGSON_PCIIO_SIZE));
  27. #ifdef CONFIG_NUMA
  28. prom_init_numa_memory();
  29. #else
  30. prom_init_memory();
  31. #endif
  32. /*init the uart base address */
  33. prom_init_uart_base();
  34. register_smp_ops(&loongson3_smp_ops);
  35. }
  36. void __init prom_free_prom_memory(void)
  37. {
  38. }