release/src-rt-6.x/linux/linux-2.6/include/asm-mips/mips-boards/prom.h

   1 /*
   2  * Carsten Langgaard, carstenl@mips.com
   3  * Copyright (C) 2000 MIPS Technologies, Inc.  All rights reserved.
   4  *
   5  * ########################################################################
   6  *
   7  *  This program is free software; you can distribute it and/or modify it
   8  *  under the terms of the GNU General Public License (Version 2) as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope it will be useful, but WITHOUT
  12  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  *  for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License along
  17  *  with this program; if not, write to the Free Software Foundation, Inc.,
  18  *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
  19  *
  20  * ########################################################################
  21  *
  22  * MIPS boards bootprom interface for the Linux kernel.
  23  *
  24  */
  25
  26 #ifndef _MIPS_PROM_H
  27 #define _MIPS_PROM_H
  28
  29 extern char *prom_getcmdline(void);
  30 extern char *prom_getenv(char *name);
  31 extern void prom_init_cmdline(void);
  32 extern void prom_meminit(void);
  33 extern void prom_fixup_mem_map(unsigned long start_mem, unsigned long end_mem);
  34 extern void mips_display_message(const char *str);
  35 extern void mips_display_word(unsigned int num);
  36 extern void mips_scroll_message(void);
  37 extern int get_ethernet_addr(char *ethernet_addr);
  38
  39 /* Memory descriptor management. */
  40 #define PROM_MAX_PMEMBLOCKS    32
  41 struct prom_pmemblock {
  42         unsigned long base; /* Within KSEG0. */
  43         unsigned int size;  /* In bytes. */
  44         unsigned int type;  /* free or prom memory */
  45 };
  46
  47 #endif /* !(_MIPS_PROM_H) */