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Annotation of sys/arch/sh/include/mmu_sh3.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: mmu_sh3.h,v 1.1.1.1 2006/10/06 21:02:55 miod Exp $    */
        !             2: /*     $NetBSD: mmu_sh3.h,v 1.6 2006/03/04 01:55:03 uwe Exp $  */
        !             3:
        !             4: /*-
        !             5:  * Copyright (c) 2002 The NetBSD Foundation, Inc.
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * This code is derived from software contributed to The NetBSD Foundation
        !             9:  * by UCHIYAMA Yasushi.
        !            10:  *
        !            11:  * Redistribution and use in source and binary forms, with or without
        !            12:  * modification, are permitted provided that the following conditions
        !            13:  * are met:
        !            14:  * 1. Redistributions of source code must retain the above copyright
        !            15:  *    notice, this list of conditions and the following disclaimer.
        !            16:  * 2. Redistributions in binary form must reproduce the above copyright
        !            17:  *    notice, this list of conditions and the following disclaimer in the
        !            18:  *    documentation and/or other materials provided with the distribution.
        !            19:  * 3. All advertising materials mentioning features or use of this software
        !            20:  *    must display the following acknowledgement:
        !            21:  *        This product includes software developed by the NetBSD
        !            22:  *        Foundation, Inc. and its contributors.
        !            23:  * 4. Neither the name of The NetBSD Foundation nor the names of its
        !            24:  *    contributors may be used to endorse or promote products derived
        !            25:  *    from this software without specific prior written permission.
        !            26:  *
        !            27:  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
        !            28:  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
        !            29:  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
        !            30:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
        !            31:  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
        !            32:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
        !            33:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
        !            34:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
        !            35:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
        !            36:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
        !            37:  * POSSIBILITY OF SUCH DAMAGE.
        !            38:  */
        !            39:
        !            40: #ifndef _SH_MMU_SH3_H_
        !            41: #define        _SH_MMU_SH3_H_
        !            42: #include <sh/devreg.h>
        !            43:
        !            44: /* 128-entry 4-way set-associative */
        !            45: #define        SH3_MMU_WAY                     4
        !            46: #define        SH3_MMU_ENTRY                   32
        !            47:
        !            48: #define        SH3_PTEH                        0xfffffff0
        !            49: #define          SH3_PTEH_ASID_MASK              0x000000ff
        !            50: #define          SH3_PTEH_VPN_MASK               0xfffffc00
        !            51: #define        SH3_PTEL                        0xfffffff4
        !            52: #define          SH3_PTEL_HWBITS                 0x1ffff17e /* [28:12][8][6:1] */
        !            53: #define        SH3_TTB                         0xfffffff8
        !            54: #define        SH3_TEA                         0xfffffffc
        !            55: #define        SH3_MMUCR                       0xffffffe0
        !            56: #define          SH3_MMUCR_AT                    0x00000001
        !            57: #define          SH3_MMUCR_IX                    0x00000002
        !            58: #define          SH3_MMUCR_TF                    0x00000004
        !            59: #define          SH3_MMUCR_RC                    0x00000030
        !            60: #define          SH3_MMUCR_SV                    0x00000100
        !            61:
        !            62: /*
        !            63:  * memory-mapped TLB
        !            64:  */
        !            65: /* Address array */
        !            66: #define        SH3_MMUAA                       0xf2000000
        !            67: /* address specification */
        !            68: #define          SH3_MMU_VPN_SHIFT               12
        !            69: #define          SH3_MMU_VPN_MASK                0x0001f000    /* [16:12] */
        !            70: #define          SH3_MMU_WAY_SHIFT               8
        !            71: #define          SH3_MMU_WAY_MASK                0x00000300    /* [9:8] */
        !            72: /* data specification */
        !            73: #define          SH3_MMU_D_VALID                 0x00000100
        !            74: #define          SH3_MMUAA_D_VPN_MASK_1K         0xfffe0c00    /* [31:17][11:10] */
        !            75: #define          SH3_MMUAA_D_VPN_MASK_4K         0xfffe0000    /* [31:17] */
        !            76: #define          SH3_MMUAA_D_ASID_MASK           0x000000ff
        !            77:
        !            78: /* Data array */
        !            79: #define        SH3_MMUDA                       0xf3000000
        !            80: #define          SH3_MMUDA_D_PPN_MASK            0xfffffc00
        !            81: #define          SH3_MMUDA_D_V                   0x00000100
        !            82: #define          SH3_MMUDA_D_PR_SHIFT            5
        !            83: #define          SH3_MMUDA_D_PR_MASK             0x00000060    /* [6:5] */
        !            84: #define          SH3_MMUDA_D_SZ                  0x00000010
        !            85: #define          SH3_MMUDA_D_C                   0x00000008
        !            86: #define          SH3_MMUDA_D_D                   0x00000004
        !            87: #define          SH3_MMUDA_D_SH                  0x00000002
        !            88:
        !            89: #define        SH3_TLB_DISABLE *(volatile uint32_t *)SH3_MMUCR = SH3_MMUCR_TF
        !            90: #endif /* !_SH_MMU_SH3_H_ */