arch/mips/loongson64/common/init.c

   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
  11 #include <linux/bootmem.h>
  12 #include <asm/bootinfo.h>
  13 #include <asm/smp-ops.h>
  14
  15 #include <loongson.h>
  16
  17 /* Loongson CPU address windows config space base address */
  18 unsigned long __maybe_unused _loongson_addrwincfg_base;
  19
  20 void __init prom_init(void)
  21 {
  22 #ifdef CONFIG_CPU_SUPPORTS_ADDRWINCFG
  23         _loongson_addrwincfg_base = (unsigned long)
  24                 ioremap(LOONGSON_ADDRWINCFG_BASE, LOONGSON_ADDRWINCFG_SIZE);
  25 #endif
  26
  27         prom_init_cmdline();
  28         prom_init_env();
  29
  30         /* init base address of io space */
  31         set_io_port_base((unsigned long)
  32                 ioremap(LOONGSON_PCIIO_BASE, LOONGSON_PCIIO_SIZE));
  33
  34 #ifdef CONFIG_NUMA
  35         prom_init_numa_memory();
  36 #else
  37         prom_init_memory();
  38 #endif
  39
  40         /*init the uart base address */
  41         prom_init_uart_base();
  42         register_smp_ops(&loongson3_smp_ops);
  43 }
  44
  45 void __init prom_free_prom_memory(void)
  46 {
  47 }