xref: /netbsd-src/sys/dev/tc/pxgvar.h (revision ce099b40997c43048fb78bd578195f81d2456523)
1 /* 	$NetBSD: pxgvar.h,v 1.4 2008/04/28 20:23:58 martin Exp $	*/
2 
3 /*-
4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Andrew Doran.
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 #ifndef _TC_PXGVAR_H_
33 #define	_TC_PXGVAR_H_
34 
35 /*
36  * Firmware segment.  If pfs_data is NULL, this is BSS and should be zeroed.
37  * Otherwise, pfs_data points to an RLE compressed binary image.  If a word
38  * is read and matches PXGFW_RLE_MAGIC, the next word contains the data, and
39  * the next the repeat count.  All segment sizes and addresses must be
40  * aligned to a 32-bit boundary.
41  */
42 struct pxg_fwseg {
43 	u_int		pfs_addr;	/* load address */
44 	u_int		pfs_compsize;	/* compressed size in bytes */
45 	u_int		pfs_realsize;	/* real size in bytes */
46 	const u_int32_t	*pfs_data;	/* pointer to compressed data */
47 };
48 
49 #define	PXGFW_RLE_MAGIC	0xfffffffe
50 
51 extern const struct pxg_fwseg	pxg_fwsegs[];
52 
53 #endif	/* _TC_PXGVAR_H_ */
54