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      1  1.5  andvar /* -*-C++-*-	$NetBSD: sh4.h,v 1.5 2025/06/28 07:04:52 andvar 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 _HPCBOOT_SH_CPU_SH4_H_
     33  1.2     uch #define	_HPCBOOT_SH_CPU_SH4_H_
     34  1.1     uch #include <sh3/cpu/sh.h>
     35  1.1     uch 
     36  1.1     uch /*
     37  1.1     uch  * SH4 designed for Windows CE (SH7750) common defines.
     38  1.1     uch  */
     39  1.1     uch 
     40  1.2     uch #define	SH4_TRA			0xff000020
     41  1.2     uch #define	SH4_EXPEVT		0xff000024
     42  1.2     uch #define	SH4_INTEVT		0xff000028
     43  1.2     uch 
     44  1.2     uch #define	SH4_ICR			0xffd00000
     45  1.2     uch #define	SH4_IPRA		0xffd00004
     46  1.2     uch #define	SH4_IPRB		0xffd00008
     47  1.2     uch #define	SH4_IPRC		0xffd0000c
     48  1.2     uch #define	SH4_IPRD		0xffd00010
     49  1.1     uch 
     50  1.1     uch /* Windows CE uses 1Kbyte page for SH3, 4Kbyte for SH4 */
     51  1.2     uch #define	SH4_PAGE_SIZE		0x1000
     52  1.2     uch #define	SH4_PAGE_MASK		(~(SH4_PAGE_SIZE - 1))
     53  1.1     uch 
     54  1.1     uch /*
     55  1.1     uch  * Cache
     56  1.1     uch  */
     57  1.2     uch #define	SH4_ICACHE_SIZE		8192
     58  1.2     uch #define	SH4_DCACHE_SIZE		16384
     59  1.2     uch #define	SH4_CACHE_LINESZ	32
     60  1.2     uch 
     61  1.2     uch #define	SH4_CCR			0xff00001c
     62  1.2     uch #define	  SH4_CCR_IIX		  0x00008000
     63  1.2     uch #define	  SH4_CCR_ICI		  0x00000800
     64  1.2     uch #define	  SH4_CCR_ICE		  0x00000100
     65  1.2     uch #define	  SH4_CCR_OIX		  0x00000080
     66  1.2     uch #define	  SH4_CCR_ORA		  0x00000020
     67  1.2     uch #define	  SH4_CCR_OCI		  0x00000008
     68  1.2     uch #define	  SH4_CCR_CB		  0x00000004
     69  1.2     uch #define	  SH4_CCR_WT		  0x00000002
     70  1.2     uch #define	  SH4_CCR_OCE		  0x00000001
     71  1.2     uch 
     72  1.2     uch #define	SH4_QACR0		0xff000038
     73  1.2     uch #define	SH4_QACR1		0xff00003c
     74  1.2     uch #define	  SH4_QACR_AREA_SHIFT	  2
     75  1.2     uch #define	  SH4_QACR_AREA_MASK	  0x0000001c
     76  1.1     uch 
     77  1.1     uch /* I-cache address/data array  */
     78  1.2     uch #define	SH4REG_CCIA		0xf0000000
     79  1.1     uch /* address specification */
     80  1.2     uch #define	  CCIA_A		  0x00000008	/* associate bit */
     81  1.2     uch #define	  CCIA_ENTRY_SHIFT	  5		/* line size 32B */
     82  1.2     uch #define	  CCIA_ENTRY_MASK	  0x00001fe0	/* [12:5] 256-entries */
     83  1.1     uch /* data specification */
     84  1.2     uch #define	  CCIA_V		  0x00000001
     85  1.2     uch #define	  CCIA_TAGADDR_MASK	  0xfffffc00	/* [31:10] */
     86  1.1     uch 
     87  1.2     uch #define	SH4REG_CCID		0xf1000000
     88  1.1     uch /* address specification */
     89  1.2     uch #define	  CCID_L_SHIFT		  2
     90  1.2     uch #define	  CCID_L_MASK		  0x1c		/* line-size is 32B */
     91  1.2     uch #define	  CCID_ENTRY_MASK	  0x00001fe0	/* [12:5] 128-entries */
     92  1.1     uch 
     93  1.1     uch /* D-cache address/data array  */
     94  1.2     uch #define	SH4REG_CCDA		0xf4000000
     95  1.1     uch /* address specification */
     96  1.2     uch #define	  CCDA_A		  0x00000008	/* associate bit */
     97  1.2     uch #define	  CCDA_ENTRY_SHIFT	  5		/* line size 32B */
     98  1.2     uch #define	  CCDA_ENTRY_MASK	  0x00003fe0	/* [13:5] 512-entries */
     99  1.1     uch /* data specification */
    100  1.2     uch #define	  CCDA_V		  0x00000001
    101  1.2     uch #define	  CCDA_U		  0x00000002
    102  1.2     uch #define	  CCDA_TAGADDR_MASK	  0xfffffc00	/* [31:10] */
    103  1.1     uch 
    104  1.2     uch #define	SH4REG_CCDD		0xf5000000
    105  1.1     uch 
    106  1.1     uch /*
    107  1.1     uch  * MMU
    108  1.1     uch  */
    109  1.2     uch #define	SH4_PTEH			0xff000000
    110  1.2     uch #define	  SH4_PTEH_ASID_MASK		  0x0000000f
    111  1.2     uch #define	SH4_PTEL			0xff000004
    112  1.2     uch #define	  SH4_PTEL_WT			  0x00000001
    113  1.2     uch #define	  SH4_PTEL_SH			  0x00000002
    114  1.2     uch #define	  SH4_PTEL_D			  0x00000004
    115  1.2     uch #define	  SH4_PTEL_C			  0x00000008
    116  1.2     uch #define	  SH4_PTEL_PR_SHIFT		  5
    117  1.2     uch #define	  SH4_PTEL_PR_MASK		  0x00000060	/* [5:6] */
    118  1.2     uch #define	  SH4_PTEL_SZ_MASK		  0x00000090	/* [4][7] */
    119  1.2     uch #define	    SH4_PTEL_SZ_1K		  0x00000000
    120  1.2     uch #define	    SH4_PTEL_SZ_4K		  0x00000010
    121  1.2     uch #define	    SH4_PTEL_SZ_64K		  0x00000080
    122  1.2     uch #define	    SH4_PTEL_SZ_1M		  0x00000090
    123  1.2     uch #define	  SH4_PTEL_V			  0x00000100
    124  1.2     uch #define	SH4_PTEA			0xff000034
    125  1.2     uch #define	  SH4_PTEA_SA_MASK		  0x00000007
    126  1.2     uch #define	  SH4_PTEA_SA_TC		  0x00000008
    127  1.2     uch #define	SH4_TTB				0xff000008
    128  1.2     uch #define	SH4_TTA				0xff00000c
    129  1.2     uch #define	SH4_MMUCR			0xff000010
    130  1.2     uch #define	  SH4_MMUCR_AT			  0x00000001
    131  1.2     uch #define	  SH4_MMUCR_TI			  0x00000004
    132  1.2     uch #define	  SH4_MMUCR_SV			  0x00000100
    133  1.2     uch #define	  SH4_MMUCR_SQMD		  0x00000200
    134  1.2     uch #define	  SH4_MMUCR_URC_SHIFT		  10
    135  1.2     uch #define	  SH4_MMUCR_URC_MASK		  0x0000fc00	/* [10:15] */
    136  1.2     uch #define	  SH4_MMUCR_URB_SHIFT		  18
    137  1.2     uch #define	  SH4_MMUCR_URB_MASK		  0x00fc0000	/* [18:23] */
    138  1.2     uch #define	  SH4_MMUCR_LRUI_SHIFT		  26
    139  1.2     uch #define	  SH4_MMUCR_LRUT_MASK		  0xfc000000	/* [26:31] */
    140  1.2     uch /*
    141  1.2     uch  * memory-mapped TLB
    142  1.5  andvar  *	must be accessed from P2-area program.
    143  1.5  andvar  *	branch to the other area must be made at least 8 instructions
    144  1.1     uch  *	after access.
    145  1.1     uch  */
    146  1.1     uch /* ITLB */
    147  1.2     uch #define	SH4_ITLB_AA			0xf2000000
    148  1.1     uch /* address specification (common for address and data array(0,1)) */
    149  1.2     uch #define	  SH4_ITLB_E_SHIFT		  8
    150  1.2     uch #define	  SH4_ITLB_E_MASK		  0x00000300	/* [9:8] */
    151  1.1     uch /* data specification */
    152  1.1     uch /* address-array */
    153  1.2     uch #define	  SH4_ITLB_AA_ASID_MASK		  0x000000ff	/* [7:0] */
    154  1.2     uch #define	  SH4_ITLB_AA_V			  0x00000100
    155  1.2     uch #define	  SH4_ITLB_AA_VPN_SHIFT		  10
    156  1.2     uch #define	  SH4_ITLB_AA_VPN_MASK		  0xfffffc00	/* [31:10] */
    157  1.1     uch /* data-array 1 */
    158  1.2     uch #define	SH4_ITLB_DA1			0xf3000000
    159  1.2     uch #define	  SH4_ITLB_DA1_SH		  0x00000002
    160  1.2     uch #define	  SH4_ITLB_DA1_C		  0x00000008
    161  1.2     uch #define	  SH4_ITLB_DA1_SZ_MASK		  0x00000090	/* [7][4] */
    162  1.2     uch #define	    SH4_ITLB_DA1_SZ_1K		  0x00000000
    163  1.2     uch #define	    SH4_ITLB_DA1_SZ_4K		  0x00000010
    164  1.2     uch #define	    SH4_ITLB_DA1_SZ_64K		  0x00000080
    165  1.2     uch #define	    SH4_ITLB_DA1_SZ_1M		  0x00000090
    166  1.2     uch #define	  SH4_ITLB_DA1_PR		  0x00000040
    167  1.2     uch #define	  SH4_ITLB_DA1_V		  0x00000100
    168  1.2     uch #define	  SH4_ITLB_DA1_PPN_SHIFT	  11
    169  1.2     uch #define	  SH4_ITLB_DA1_PPN_MASK		  0x1ffffc00	/* [28:10] */
    170  1.1     uch /* data-array 2 */
    171  1.2     uch #define	SH4_ITLB_DA2			0xf3800000
    172  1.2     uch #define	  SH4_ITLB_DA2_SA_MASK		  0x00000003
    173  1.2     uch #define	  SH4_ITLB_DA2_TC		  0x00000004
    174  1.1     uch 
    175  1.1     uch /* UTLB */
    176  1.2     uch #define	SH4_UTLB_AA			0xf6000000
    177  1.1     uch /* address specification (common for address and data array(0,1)) */
    178  1.2     uch #define	  SH4_UTLB_E_SHIFT		  8
    179  1.2     uch #define	  SH4_UTLB_E_MASK		  0x00003f00
    180  1.1     uch /* data specification */
    181  1.1     uch /* address-array */
    182  1.2     uch #define	  SH4_UTLB_AA_VPN_MASK		  0xfffffc00	/* [31:10] */
    183  1.2     uch #define	  SH4_UTLB_AA_D			  0x00000200
    184  1.2     uch #define	  SH4_UTLB_AA_V			  0x00000100
    185  1.2     uch #define	  SH4_UTLB_AA_ASID_MASK		  0x000000ff	/* [7:0] */
    186  1.1     uch /* data-array 1 */
    187  1.2     uch #define	SH4_UTLB_DA1			0xf7000000
    188  1.2     uch #define	  SH4_UTLB_DA1_WT		  0x00000001
    189  1.2     uch #define	  SH4_UTLB_DA1_SH		  0x00000002
    190  1.2     uch #define	  SH4_UTLB_DA1_D		  0x00000004
    191  1.2     uch #define	  SH4_UTLB_DA1_C		  0x00000008
    192  1.2     uch #define	  SH4_UTLB_DA1_SZ_MASK		  0x00000090	/* [7][4] */
    193  1.2     uch #define	    SH4_UTLB_DA1_SZ_1K		  0x00000000
    194  1.2     uch #define	    SH4_UTLB_DA1_SZ_4K		  0x00000010
    195  1.2     uch #define	    SH4_UTLB_DA1_SZ_64K		  0x00000080
    196  1.2     uch #define	    SH4_UTLB_DA1_SZ_1M		  0x00000090
    197  1.2     uch #define	  SH4_UTLB_DA1_PR_SHIFT		  5
    198  1.2     uch #define	  SH4_UTLB_DA1_PR_MASK		  0x00000060
    199  1.2     uch #define	  SH4_UTLB_DA1_V		  0x00000100
    200  1.2     uch #define	  SH4_UTLB_DA1_PPN_SHIFT	  11
    201  1.2     uch #define	  SH4_UTLB_DA1_PPN_MASK		  0x1ffffc00	/* [28:10] */
    202  1.1     uch /* data-array 2 */
    203  1.2     uch #define	SH4_UTLB_DA2			0xf7800000
    204  1.2     uch #define	  SH4_UTLB_DA2_SA_MASK		  0x00000003
    205  1.2     uch #define	  SH4_UTLB_DA2_TC		  0x00000004
    206  1.1     uch 
    207  1.2     uch #define	SH4_MMU_DISABLE()	_reg_write_4(SH4_MMUCR, SH4_MMUCR_TI)
    208  1.1     uch 
    209  1.2     uch /*
    210  1.1     uch  * Product dependent headers
    211  1.1     uch  */
    212  1.1     uch #include <sh3/cpu/7750.h>
    213  1.1     uch 
    214  1.1     uch #endif /* _HPCBOOT_SH_CPU_SH4_H_ */
    215