release/src-rt-6.x.4708/linux/linux-2.6.36/arch/mips/loongson/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
  13 #include <loongson.h>
  14
  15 /* Loongson CPU address windows config space base address */
  16 unsigned long __maybe_unused _loongson_addrwincfg_base;
  17
  18 void __init prom_init(void)
  19 {
  20         /* init base address of io space */
  21         set_io_port_base((unsigned long)
  22                 ioremap(LOONGSON_PCIIO_BASE, LOONGSON_PCIIO_SIZE));
  23
  24 #ifdef CONFIG_CPU_SUPPORTS_ADDRWINCFG
  25         _loongson_addrwincfg_base = (unsigned long)
  26                 ioremap(LOONGSON_ADDRWINCFG_BASE, LOONGSON_ADDRWINCFG_SIZE);
  27 #endif
  28
  29         prom_init_cmdline();
  30         prom_init_env();
  31         prom_init_memory();
  32
  33         /*init the uart base address */
  34         prom_init_uart_base();
  35 }
  36
  37 void __init prom_free_prom_memory(void)
  38 {
  39 }