xref: /netbsd-src/sys/arch/hpc/stand/hpcboot/sh3/cpu/sh3.h (revision ce099b40997c43048fb78bd578195f81d2456523)
1 /* -*-C++-*-	$NetBSD: sh3.h,v 1.5 2008/04/28 20:23:20 martin Exp $	*/
2 
3 /*-
4  * Copyright (c) 2001, 2002, 2004 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by UCHIYAMA Yasushi.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
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.
18  *
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.
30  */
31 
32 #ifndef _HPCBOOT_SH_CPU_SH3_H_
33 #define	_HPCBOOT_SH_CPU_SH3_H_
34 #include <sh3/cpu/sh.h>
35 
36 /*
37  * SH3 designed for Windows CE (SH7709, SH7709A, SH7707) common defines.
38  */
39 #define	SH3_TRA			0xffffffd0
40 #define	SH3_EXPEVT		0xffffffd4
41 #define	SH3_INTEVT		0xffffffd8
42 #define	SH3_INTEVT2		0xa4000000
43 
44 /* Windows CE uses 1Kbyte page for SH3, 4Kbyte for SH4 */
45 #define	SH3_PAGE_SIZE		0x400
46 #define	SH3_PAGE_MASK		(~(SH3_PAGE_SIZE - 1))
47 
48 /*
49  * Cache (Windows CE uses normal-mode.)
50  */
51 #define	SH3_CCR			0xffffffec
52 #define	SH3_CCR_CE		  0x00000001
53 #define	SH3_CCR_WT		  0x00000002
54 #define	SH3_CCR_CB		  0x00000004
55 #define	SH3_CCR_CF		  0x00000008
56 #define	SH3_CCR_RA		  0x00000020
57 #define	SH3_CCA			0xf0000000
58 #define	SH3_CCD			0xf1000000
59 
60 /*
61  * 4-way set-associative 32-entry (total 128 entries)
62  */
63 #define	SH3_MMU_WAY			4
64 #define	SH3_MMU_ENTRY			32
65 
66 #define	SH3_PTEH			0xfffffff0
67 #define	  SH3_PTEH_ASID_MASK		  0x0000000f
68 #define	  SH3_PTEH_VPN_MASK		  0xfffffc00
69 #define	SH3_MMUCR			0xffffffe0
70 #define	  SH3_MMUCR_AT			  0x00000001
71 #define	  SH3_MMUCR_IX			  0x00000002
72 #define	  SH3_MMUCR_TF			  0x00000004
73 #define	  SH3_MMUCR_RC			  0x00000030
74 #define	  SH3_MMUCR_SV			  0x00000100
75 
76 /*
77  * memory-mapped TLB
78  */
79 /* Address array */
80 #define	SH3_MMUAA			0xf2000000
81 /* address specification */
82 #define	  SH3_MMU_VPN_SHIFT		  12
83 #define	  SH3_MMU_VPN_MASK		  0x0001f000	/* [16:12] */
84 #define	  SH3_MMU_WAY_SHIFT		  8
85 #define	  SH3_MMU_WAY_MASK		  0x00000300
86 /* data specification */
87 #define	  SH3_MMU_D_VALID		  0x00000100
88 #define	  SH3_MMUAA_D_VPN_MASK		  0xfffe0c00	/* [31:17][11:10] */
89 #define	  SH3_MMUAA_D_ASID_MASK		  0x0000000f
90 
91 /* Data array */
92 #define	SH3_MMUDA			0xf3000000
93 #define	  SH3_MMUDA_D_PPN_MASK		  0xfffffc00
94 #define	  SH3_MMUDA_D_V			  0x00000100
95 #define	  SH3_MMUDA_D_PR_SHIFT		  5
96 #define	  SH3_MMUDA_D_PR_MASK		  0x00000060	/* [6:5] */
97 #define	  SH3_MMUDA_D_SZ		  0x00000010
98 #define	  SH3_MMUDA_D_C			  0x00000008
99 #define	  SH3_MMUDA_D_D			  0x00000004
100 #define	  SH3_MMUDA_D_SH		  0x00000002
101 
102 
103 #define	SH3_MMU_DISABLE()	_reg_write_4(SH3_MMUCR, SH3_MMUCR_TF)
104 
105 /*
106  * Product dependent headers
107  */
108 #include <sh3/cpu/7707.h>
109 #include <sh3/cpu/7709.h>
110 #include <sh3/cpu/7709a.h>
111 
112 #endif // _HPCBOOT_SH_CPU_SH3_H_
113