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      1 /*	$NetBSD: promdev.h,v 1.16 2010/08/25 20:16:49 christos 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;
     76