1 /* $NetBSD: mmu_sh4.h,v 1.6 2006/03/04 01:55:03 uwe Exp $ */
4 * Copyright (c) 2002 The NetBSD Foundation, Inc.
7 * This code is derived from software contributed to The NetBSD Foundation
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
32 #ifndef _SH3_MMU_SH4_H_
33 #define _SH3_MMU_SH4_H_
34 #include <sh3/devreg.h>
36 /* ITLB 4-entry full-associative UTLB 64-entry full-associative */
37 #define SH4_PTEH 0xff000000
38 #define SH4_PTEH_VPN_MASK 0xfffffc00
39 #define SH4_PTEH_ASID_MASK 0x000000ff
40 #define SH4_PTEL 0xff000004
41 #define SH4_PTEL_WT 0x00000001
42 #define SH4_PTEL_SH 0x00000002
43 #define SH4_PTEL_D 0x00000004
44 #define SH4_PTEL_C 0x00000008
45 #define SH4_PTEL_PR_SHIFT 5
46 #define SH4_PTEL_PR_MASK 0x00000060 /* [5:6] */
47 #define SH4_PTEL_SZ_MASK 0x00000090 /* [4][7] */
48 #define SH4_PTEL_SZ_1K 0x00000000
49 #define SH4_PTEL_SZ_4K 0x00000010
50 #define SH4_PTEL_SZ_64K 0x00000080
51 #define SH4_PTEL_SZ_1M 0x00000090
52 #define SH4_PTEL_V 0x00000100
53 #define SH4_PTEL_HWBITS 0x1ffff1ff /* [28:12]PFN [8:0]attr. */
55 #define SH4_PTEA 0xff000034
56 #define SH4_PTEA_SA_MASK 0x00000007
57 #define SH4_PTEA_SA_TC 0x00000008
58 #define SH4_TTB 0xff000008
59 #define SH4_TEA 0xff00000c
60 #define SH4_MMUCR 0xff000010
61 #define SH4_MMUCR_AT 0x00000001
62 #define SH4_MMUCR_TI 0x00000004
63 #define SH4_MMUCR_SV 0x00000100
64 #define SH4_MMUCR_SQMD 0x00000200
65 #define SH4_MMUCR_URC_SHIFT 10
66 #define SH4_MMUCR_URC_MASK 0x0000fc00 /* [10:15] */
67 #define SH4_MMUCR_URB_SHIFT 18
68 #define SH4_MMUCR_URB_MASK 0x00fc0000 /* [18:23] */
69 #define SH4_MMUCR_LRUI_SHIFT 26
70 #define SH4_MMUCR_LRUT_MASK 0xfc000000 /* [26:31] */
72 #define SH4_MMUCR_MASK (SH4_MMUCR_LRUT_MASK | SH4_MMUCR_URB_MASK | \
73 SH4_MMUCR_URC_MASK | SH4_MMUCR_SQMD | SH4_MMUCR_SV | SH4_MMUCR_AT)
76 * must be access from P2-area program.
77 * branch to the other area must be maed at least 8 instruction
80 #define SH4_ITLB_ENTRY 4
81 #define SH4_UTLB_ENTRY 64
84 #define SH4_ITLB_AA 0xf2000000
85 /* address specification (common for address and data array(0,1)) */
86 #define SH4_ITLB_E_SHIFT 8
87 #define SH4_ITLB_E_MASK 0x00000300 /* [9:8] */
88 /* data specification */
90 #define SH4_ITLB_AA_ASID_MASK 0x000000ff /* [7:0] */
91 #define SH4_ITLB_AA_V 0x00000100
92 #define SH4_ITLB_AA_VPN_SHIFT 10
93 #define SH4_ITLB_AA_VPN_MASK 0xfffffc00 /* [31:10] */
95 #define SH4_ITLB_DA1 0xf3000000
96 #define SH4_ITLB_DA1_SH 0x00000002
97 #define SH4_ITLB_DA1_C 0x00000008
98 #define SH4_ITLB_DA1_SZ_MASK 0x00000090 /* [7][4] */
99 #define SH4_ITLB_DA1_SZ_1K 0x00000000
100 #define SH4_ITLB_DA1_SZ_4K 0x00000010
101 #define SH4_ITLB_DA1_SZ_64K 0x00000080
102 #define SH4_ITLB_DA1_SZ_1M 0x00000090
103 #define SH4_ITLB_DA1_PR 0x00000040
104 #define SH4_ITLB_DA1_V 0x00000100
105 #define SH4_ITLB_DA1_PPN_SHIFT 11
106 #define SH4_ITLB_DA1_PPN_MASK 0x1ffffc00 /* [28:10] */
108 #define SH4_ITLB_DA2 0xf3800000
109 #define SH4_ITLB_DA2_SA_MASK 0x00000003
110 #define SH4_ITLB_DA2_TC 0x00000004
113 #define SH4_UTLB_AA 0xf6000000
114 /* address specification (common for address and data array(0,1)) */
115 #define SH4_UTLB_E_SHIFT 8
116 #define SH4_UTLB_E_MASK 0x00003f00
117 #define SH4_UTLB_A 0x00000080
118 /* data specification */
120 #define SH4_UTLB_AA_VPN_MASK 0xfffffc00 /* [31:10] */
121 #define SH4_UTLB_AA_D 0x00000200
122 #define SH4_UTLB_AA_V 0x00000100
123 #define SH4_UTLB_AA_ASID_MASK 0x000000ff /* [7:0] */
125 #define SH4_UTLB_DA1 0xf7000000
126 #define SH4_UTLB_DA1_WT 0x00000001
127 #define SH4_UTLB_DA1_SH 0x00000002
128 #define SH4_UTLB_DA1_D 0x00000004
129 #define SH4_UTLB_DA1_C 0x00000008
130 #define SH4_UTLB_DA1_SZ_MASK 0x00000090 /* [7][4] */
131 #define SH4_UTLB_DA1_SZ_1K 0x00000000
132 #define SH4_UTLB_DA1_SZ_4K 0x00000010
133 #define SH4_UTLB_DA1_SZ_64K 0x00000080
134 #define SH4_UTLB_DA1_SZ_1M 0x00000090
135 #define SH4_UTLB_DA1_PR_SHIFT 5
136 #define SH4_UTLB_DA1_PR_MASK 0x00000060
137 #define SH4_UTLB_DA1_V 0x00000100
138 #define SH4_UTLB_DA1_PPN_SHIFT 11
139 #define SH4_UTLB_DA1_PPN_MASK 0x1ffffc00 /* [28:10] */
141 #define SH4_UTLB_DA2 0xf7800000
142 #define SH4_UTLB_DA2_SA_MASK 0x00000003
143 #define SH4_UTLB_DA2_TC 0x00000004
145 #define SH4_TLB_DISABLE *(volatile uint32_t *)SH4_MMUCR = SH4_MMUCR_TI
146 #endif /* !_SH3_MMU_SH4_H_ */