gxemul_diskreg.h revision 235073 
1/*-
2 * Copyright (c) 2008-2012 Juli Mallett <jmallett@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/dev/gxemul/disk/gxemul_diskreg.h 235073 2012-05-06 08:28:08Z jmallett $
27 */
28
29#ifndef	_DEV_GXEMUL_DISK_GXEMUL_DISK_H_
30#define	_DEV_GXEMUL_DISK_GXEMUL_DISK_H_
31
32#define	GXEMUL_DISK_DEV_BASE		(0x13000000)
33
34#define	GXEMUL_DISK_DEV_BLOCKSIZE	(0x0200)
35
36#define	GXEMUL_DISK_DEV_ID_START	(0x0000)
37#define	GXEMUL_DISK_DEV_ID_END		(0x0100)
38
39#define	GXEMUL_DISK_DEV_OFFSET		(0x0000)
40#define	GXEMUL_DISK_DEV_DISKID		(0x0010)
41#define	GXEMUL_DISK_DEV_START		(0x0020)
42#define	GXEMUL_DISK_DEV_STATUS		(0x0030)
43#define	GXEMUL_DISK_DEV_BLOCK		(0x4000)
44
45#define	GXEMUL_DISK_DEV_FUNCTION(f)					\
46	(volatile uint64_t *)MIPS_PHYS_TO_DIRECT_UNCACHED(GXEMUL_DISK_DEV_BASE + (f))
47#define	GXEMUL_DISK_DEV_READ(f)						\
48	(volatile uint64_t)*GXEMUL_DISK_DEV_FUNCTION(f)
49#define	GXEMUL_DISK_DEV_WRITE(f, v)					\
50	*GXEMUL_DISK_DEV_FUNCTION(f) = (v)
51
52#define	GXEMUL_DISK_DEV_START_READ	(0x00)
53#define	GXEMUL_DISK_DEV_START_WRITE	(0x01)
54
55#define	GXEMUL_DISK_DEV_STATUS_FAILURE	(0x00)
56
57#endif /* !_DEV_GXEMUL_DISK_GXEMUL_DISK_H_ */
58