2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2010 Marius Strobl <marius@FreeBSD.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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
31 #ifndef _MACHINE_MCNTL_H
32 #define _MACHINE_MCNTL_H
35 * Definitions for the SPARC64 V, VI, VII and VIIIfx Memory Control Register
37 #define MCNTL_JPS1_TSBP (1UL << 8)
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)
47 #define MCNTL_FW_FDTLB (1UL << 14)
48 #define MCNTL_FW_FITLB (1UL << 15)
49 #define MCNTL_NC_CACHE (1UL << 16)
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)
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)
64 #endif /* _MACHINE_MCNTL_H */