1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2008-2012 Juli Mallett <jmallett@FreeBSD.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD$
29 */
30
31#ifndef	_DEV_GXEMUL_DISK_GXEMUL_DISK_H_
32#define	_DEV_GXEMUL_DISK_GXEMUL_DISK_H_
33
34#define	GXEMUL_DISK_DEV_BASE		(0x13000000)
35
36#define	GXEMUL_DISK_DEV_BLOCKSIZE	(0x0200)
37
38#define	GXEMUL_DISK_DEV_ID_START	(0x0000)
39#define	GXEMUL_DISK_DEV_ID_END		(0x0100)
40
41#ifdef _LP64
42#define GXEMUL_DISK_DEV_OFFSET		(0x0000)
43#else
44#define GXEMUL_DISK_DEV_OFFSET_LO       (0x0000)
45#define GXEMUL_DISK_DEV_OFFSET_HI       (0x0008)
46#endif
47#define	GXEMUL_DISK_DEV_DISKID		(0x0010)
48#define	GXEMUL_DISK_DEV_START		(0x0020)
49#define	GXEMUL_DISK_DEV_STATUS		(0x0030)
50#define	GXEMUL_DISK_DEV_BLOCK		(0x4000)
51
52#ifdef _LP64
53#define	GXEMUL_DISK_DEV_FUNCTION(f)					\
54	(volatile uint64_t *)MIPS_PHYS_TO_DIRECT_UNCACHED(GXEMUL_DISK_DEV_BASE + (f))
55#define	GXEMUL_DISK_DEV_READ(f)						\
56	(volatile uint64_t)*GXEMUL_DISK_DEV_FUNCTION(f)
57#else
58#define	GXEMUL_DISK_DEV_FUNCTION(f)					\
59	(volatile uint32_t *)MIPS_PHYS_TO_DIRECT_UNCACHED(GXEMUL_DISK_DEV_BASE + (f))
60#define	GXEMUL_DISK_DEV_READ(f)						\
61	(volatile uint32_t)*GXEMUL_DISK_DEV_FUNCTION(f)
62#endif
63#define	GXEMUL_DISK_DEV_WRITE(f, v)					\
64	*GXEMUL_DISK_DEV_FUNCTION(f) = (v)
65
66#define	GXEMUL_DISK_DEV_START_READ	(0x00)
67#define	GXEMUL_DISK_DEV_START_WRITE	(0x01)
68
69#define	GXEMUL_DISK_DEV_STATUS_FAILURE	(0x00)
70
71#endif /* !_DEV_GXEMUL_DISK_GXEMUL_DISK_H_ */
72