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      1  1.7  martin /*	$NetBSD: mmu_sh3.h,v 1.7 2008/04/28 20:23:35 martin Exp $	*/
      2  1.1     uch 
      3  1.1     uch /*-
      4  1.1     uch  * Copyright (c) 2002 The NetBSD Foundation, Inc.
      5  1.1     uch  * All rights reserved.
      6  1.1     uch  *
      7  1.1     uch  * This code is derived from software contributed to The NetBSD Foundation
      8  1.1     uch  * by UCHIYAMA Yasushi.
      9  1.1     uch  *
     10  1.1     uch  * Redistribution and use in source and binary forms, with or without
     11  1.1     uch  * modification, are permitted provided that the following conditions
     12  1.1     uch  * are met:
     13  1.1     uch  * 1. Redistributions of source code must retain the above copyright
     14  1.1     uch  *    notice, this list of conditions and the following disclaimer.
     15  1.1     uch  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.1     uch  *    notice, this list of conditions and the following disclaimer in the
     17  1.1     uch  *    documentation and/or other materials provided with the distribution.
     18  1.1     uch  *
     19  1.1     uch  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  1.1     uch  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  1.1     uch  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  1.1     uch  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  1.1     uch  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  1.1     uch  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  1.1     uch  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  1.1     uch  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  1.1     uch  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  1.1     uch  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  1.1     uch  * POSSIBILITY OF SUCH DAMAGE.
     30  1.1     uch  */
     31  1.1     uch 
     32  1.1     uch #ifndef _SH3_MMU_SH3_H_
     33  1.3     uch #define	_SH3_MMU_SH3_H_
     34  1.2     uch #include <sh3/devreg.h>
     35  1.1     uch 
     36  1.1     uch /* 128-entry 4-way set-associative */
     37  1.3     uch #define	SH3_MMU_WAY			4
     38  1.3     uch #define	SH3_MMU_ENTRY			32
     39  1.1     uch 
     40  1.3     uch #define	SH3_PTEH			0xfffffff0
     41  1.4     uch #define	  SH3_PTEH_ASID_MASK		  0x000000ff
     42  1.3     uch #define	  SH3_PTEH_VPN_MASK		  0xfffffc00
     43  1.3     uch #define	SH3_PTEL			0xfffffff4
     44  1.3     uch #define	  SH3_PTEL_HWBITS		  0x1ffff17e /* [28:12][8][6:1] */
     45  1.3     uch #define	SH3_TTB				0xfffffff8
     46  1.3     uch #define	SH3_TEA				0xfffffffc
     47  1.3     uch #define	SH3_MMUCR			0xffffffe0
     48  1.3     uch #define	  SH3_MMUCR_AT			  0x00000001
     49  1.3     uch #define	  SH3_MMUCR_IX			  0x00000002
     50  1.3     uch #define	  SH3_MMUCR_TF			  0x00000004
     51  1.3     uch #define	  SH3_MMUCR_RC			  0x00000030
     52  1.3     uch #define	  SH3_MMUCR_SV			  0x00000100
     53  1.1     uch 
     54  1.3     uch /*
     55  1.3     uch  * memory-mapped TLB
     56  1.1     uch  */
     57  1.1     uch /* Address array */
     58  1.3     uch #define	SH3_MMUAA			0xf2000000
     59  1.1     uch /* address specification */
     60  1.3     uch #define	  SH3_MMU_VPN_SHIFT		  12
     61  1.3     uch #define	  SH3_MMU_VPN_MASK		  0x0001f000	/* [16:12] */
     62  1.3     uch #define	  SH3_MMU_WAY_SHIFT		  8
     63  1.3     uch #define	  SH3_MMU_WAY_MASK		  0x00000300	/* [9:8] */
     64  1.1     uch /* data specification */
     65  1.3     uch #define	  SH3_MMU_D_VALID		  0x00000100
     66  1.3     uch #define	  SH3_MMUAA_D_VPN_MASK_1K	  0xfffe0c00	/* [31:17][11:10] */
     67  1.3     uch #define	  SH3_MMUAA_D_VPN_MASK_4K	  0xfffe0000	/* [31:17] */
     68  1.4     uch #define	  SH3_MMUAA_D_ASID_MASK		  0x000000ff
     69  1.1     uch 
     70  1.1     uch /* Data array */
     71  1.3     uch #define	SH3_MMUDA			0xf3000000
     72  1.3     uch #define	  SH3_MMUDA_D_PPN_MASK		  0xfffffc00
     73  1.3     uch #define	  SH3_MMUDA_D_V			  0x00000100
     74  1.3     uch #define	  SH3_MMUDA_D_PR_SHIFT		  5
     75  1.3     uch #define	  SH3_MMUDA_D_PR_MASK		  0x00000060	/* [6:5] */
     76  1.3     uch #define	  SH3_MMUDA_D_SZ		  0x00000010
     77  1.3     uch #define	  SH3_MMUDA_D_C			  0x00000008
     78  1.3     uch #define	  SH3_MMUDA_D_D			  0x00000004
     79  1.3     uch #define	  SH3_MMUDA_D_SH		  0x00000002
     80  1.1     uch 
     81  1.6     uwe #define	SH3_TLB_DISABLE	*(volatile uint32_t *)SH3_MMUCR = SH3_MMUCR_TF
     82  1.1     uch #endif /* !_SH3_MMU_SH3_H_ */
     83