sys/arch/sparc/stand/common/promdev.h

   1 /*      $NetBSD: promdev.h,v 1.13 2008/04/28 20:23:36 martin Exp $ */
   2
   3 /*-
   4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Paul Kranenburg.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <machine/bsd_openprom.h>
  33
  34 struct promdata {
  35         int     fd;                     /* Openboot descriptor */
  36         struct  saioreq *si;            /* Oldmon IO request */
  37         int     devtype;                /* Kind of device we're booting from */
  38 #define DT_BLOCK        1
  39 #define DT_NET          2
  40 #define DT_BYTE         3
  41         /* Hooks for netif.c */
  42         ssize_t (*xmit)(struct promdata *, void *, size_t);
  43         ssize_t (*recv)(struct promdata *, void *, size_t);
  44 };
  45
  46 #define DDB_MAGIC0      ( ('D'<<24) | ('D'<<16) | ('B'<<8) | ('0') )
  47 #define DDB_MAGIC1      ( ('D'<<24) | ('D'<<16) | ('B'<<8) | ('1') )
  48 #define DDB_MAGIC2      ( ('D'<<24) | ('D'<<16) | ('B'<<8) | ('2') )
  49
  50 #define MAX_PROM_PATH   128
  51
  52 extern char     prom_bootdevice[MAX_PROM_PATH];
  53 extern int      cputyp, nbpg, pgofset, pgshift;
  54 extern int      debug;
  55
  56 /* Note: dvma_*() routines are for "oldmon" machines only */
  57 extern void     dvma_init(void);
  58 extern char     *dvma_mapin(char *, size_t);
  59 extern char     *dvma_mapout(char *, size_t);
  60 extern char     *dvma_alloc(int);
  61 extern void     dvma_free(char *, int);
  62
  63 /* In net.c: */
  64 extern int      net_open(struct promdata *);
  65 extern int      net_close(struct promdata *);
  66 extern int      net_mountroot(void);
  67
  68 /* In mmu.c */
  69 extern int      mmu_init(void);
  70 extern int      (*pmap_map)(vaddr_t, paddr_t, psize_t);
  71 extern int      (*pmap_extract)(vaddr_t, paddr_t *);
  72
  73 /* In str0.S: */
  74 extern void     sparc_noop(void);
  75 extern void     *romp;