1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2010 Marius Strobl <marius@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	_MACHINE_MCNTL_H
32#define	_MACHINE_MCNTL_H
33
34/*
35 * Definitions for the SPARC64 V, VI, VII and VIIIfx Memory Control Register
36 */
37#define	MCNTL_JPS1_TSBP		(1UL << 8)
38
39#define	MCNTL_RMD_SHIFT		12
40#define	MCNTL_RMD_BITS		2
41#define	MCNTL_RMD_MASK							\
42	(((1UL << MCNTL_RMD_BITS) - 1) << MCNTL_RMD_SHIFT)
43#define	MCNTL_RMD_FULL		(0UL << MCNTL_RMD_SHIFT)
44#define	MCNTL_RMD_1024		(2UL << MCNTL_RMD_SHIFT)
45#define	MCNTL_RMD_512		(3UL << MCNTL_RMD_SHIFT)
46
47#define	MCNTL_FW_FDTLB		(1UL << 14)
48#define	MCNTL_FW_FITLB		(1UL << 15)
49#define	MCNTL_NC_CACHE		(1UL << 16)
50
51/* The following bits are valid for the SPARC64 VI, VII and VIIIfx only. */
52#define	MCNTL_MPG_SDTLB		(1UL << 6)
53#define	MCNTL_MPG_SITLB		(1UL << 7)
54
55/* The following bits are valid for the SPARC64 VIIIfx only. */
56#define	MCNTL_HPF_SHIFT		18
57#define	MCNTL_HPF_BITS		2
58#define	MCNTL_HPF_MASK							\
59	(((1UL << MCNTL_HPF_BITS) - 1) << MCNTL_HPF_SHIFT)
60#define	MCNTL_HPF_STRONG	(0UL << MCNTL_HPF_SHIFT)
61#define	MCNTL_HPF_NOT		(1UL << MCNTL_HPF_SHIFT)
62#define	MCNTL_HPF_WEAK		(2UL << MCNTL_HPF_SHIFT)
63
64#endif	/* _MACHINE_MCNTL_H */
65