2 * Copyright (c) 2010 Marius Strobl <marius@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
29 #ifndef _MACHINE_MCNTL_H
30 #define _MACHINE_MCNTL_H
33 * Definitions for the SPARC64 V, VI, VII and VIIIfx Memory Control Register
35 #define MCNTL_JPS1_TSBP (1UL << 8)
37 #define MCNTL_RMD_SHIFT 12
38 #define MCNTL_RMD_BITS 2
39 #define MCNTL_RMD_MASK \
40 (((1UL << MCNTL_RMD_BITS) - 1) << MCNTL_RMD_SHIFT)
41 #define MCNTL_RMD_FULL (0UL << MCNTL_RMD_SHIFT)
42 #define MCNTL_RMD_1024 (2UL << MCNTL_RMD_SHIFT)
43 #define MCNTL_RMD_512 (3UL << MCNTL_RMD_SHIFT)
45 #define MCNTL_FW_FDTLB (1UL << 14)
46 #define MCNTL_FW_FITLB (1UL << 15)
47 #define MCNTL_NC_CACHE (1UL << 16)
49 /* The following bits are valid for the SPARC64 VI, VII and VIIIfx only. */
50 #define MCNTL_MPG_SDTLB (1UL << 6)
51 #define MCNTL_MPG_SITLB (1UL << 7)
53 /* The following bits are valid for the SPARC64 VIIIfx only. */
54 #define MCNTL_HPF_SHIFT 18
55 #define MCNTL_HPF_BITS 2
56 #define MCNTL_HPF_MASK \
57 (((1UL << MCNTL_HPF_BITS) - 1) << MCNTL_HPF_SHIFT)
58 #define MCNTL_HPF_STRONG (0UL << MCNTL_HPF_SHIFT)
59 #define MCNTL_HPF_NOT (1UL << MCNTL_HPF_SHIFT)
60 #define MCNTL_HPF_WEAK (2UL << MCNTL_HPF_SHIFT)
62 #endif /* _MACHINE_MCNTL_H */