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      1 /*	$NetBSD: iomdreg.h,v 1.5 2022/04/16 17:34:34 andvar Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1994-1997 Mark Brinicombe.
      5  * Copyright (c) 1994 Brini.
      6  * All rights reserved.
      7  *
      8  * This code is derived from software written for Brini by Mark Brinicombe
      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  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by Mark Brinicombe.
     21  * 4. The name of the company nor the name of the author may be used to
     22  *    endorse or promote products derived from this software without specific
     23  *    prior written permission.
     24  *
     25  * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
     26  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     27  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     28  * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
     29  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     30  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     31  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     35  * SUCH DAMAGE.
     36  *
     37  * RiscBSD kernel project
     38  *
     39  * iomd.h
     40  *
     41  * IOMD registers
     42  *
     43  * Created      : 18/09/94
     44  *
     45  * Based on kate/display/iomd.h
     46  */
     47 
     48 #define IOMD_HW_BASE	0x03200000
     49 
     50 #define IOMD_BASE	0xf6000000
     51 
     52 #define IOMD_IOCR	0x00000000
     53 #define IOMD_KBDDAT	0x00000001
     54 #define IOMD_KBDCR	0x00000002
     55 #define IOMD_IOLINES	0x00000003	/* ARM7500FE */
     56 
     57 #define IOMD_IRQSTA	0x00000004
     58 #define IOMD_IRQRQA	0x00000005
     59 #define IOMD_IRQMSKA	0x00000006
     60 #define IOMD_SUSMODE	0x00000007	/* ARM7500 */
     61 
     62 #define IOMD_IRQSTB	0x00000008
     63 #define IOMD_IRQRQB	0x00000009
     64 #define IOMD_IRQMSKB	0x0000000a
     65 #define IOMD_STOPMODE	0x0000000b	/* ARM7500 */
     66 
     67 #define IOMD_FIQST	0x0000000c
     68 #define IOMD_FIQRQ	0x0000000d
     69 #define IOMD_FIQMSK	0x0000000e
     70 #define IOMD_CLKCTL	0x0000000f	/* ARM7500 */
     71 
     72 #define IOMD_T0LOW	0x00000010
     73 #define IOMD_T0HIGH	0x00000011
     74 #define IOMD_T0GO	0x00000012
     75 #define IOMD_T0LATCH	0x00000013
     76 
     77 #define IOMD_T1LOW	0x00000014
     78 #define IOMD_T1HIGH	0x00000015
     79 #define IOMD_T1GO	0x00000016
     80 #define IOMD_T1LATCH	0x00000017
     81 
     82 /*
     83  * For ARM7500, it's not really a IOMD device.
     84  */
     85 
     86 #define IOMD_IRQSTC	0x00000018	/* ARM7500 */
     87 #define IOMD_IRQRQC	0x00000019	/* ARM7500 */
     88 #define IOMD_IRQMSKC	0x0000001a	/* ARM7500 */
     89 #define IOMD_VIDMUX	0x0000001b	/* ARM7500 */
     90 
     91 #define IOMD_IRQSTD	0x0000001c	/* ARM7500 */
     92 #define IOMD_IRQRQD	0x0000001d	/* ARM7500 */
     93 #define IOMD_IRQMSKD	0x0000001e	/* ARM7500 */
     94 
     95 #define IOMD_ROMCR0	0x00000020
     96 #define IOMD_ROMCR1	0x00000021
     97 #define IOMD_DRAMCR	0x00000022	/* !ARM7500 */
     98 #define IOMD_VREFCR	0x00000023	/* !ARM7500 */
     99 #define IOMD_REFCR	0x00000023	/* ARM7500 */
    100 
    101 #define IOMD_FSIZE	0x00000024
    102 #define IOMD_ID0	0x00000025
    103 #define IOMD_ID1	0x00000026
    104 #define IOMD_VERSION	0x00000027
    105 
    106 #define IOMD_MOUSEX	0x00000028
    107 #define IOMD_MOUSEY	0x00000029
    108 #define IOMD_MSDATA	0x0000002a	/* ARM7500 */
    109 #define IOMD_MSCR	0x0000002b	/* ARM7500 */
    110 
    111 #define IOMD_DMATCR	0x00000030
    112 #define IOMD_IOTCR	0x00000031
    113 #define IOMD_ECTCR	0x00000032
    114 #define IOMD_DMAEXT	0x00000033	/* !ARM7500 */
    115 #define IOMD_ASTCR	0x00000033	/* ARM7500 */
    116 
    117 #define IOMD_DRAMWID	0x00000034	/* ARM7500 */
    118 #define IOMD_SELFREF	0x00000035	/* ARM7500 */
    119 
    120 #define IOMD_ATODICR	0x00000038	/* ARM7500 */
    121 #define IOMD_ATODSR	0x00000039	/* ARM7500 */
    122 #define IOMD_ATODCR	0x0000003a	/* ARM7500 */
    123 #define IOMD_ATODCNT1	0x0000003b	/* ARM7500 */
    124 #define IOMD_ATODCNT2	0x0000003c	/* ARM7500 */
    125 #define IOMD_ATODCNT3	0x0000003d	/* ARM7500 */
    126 #define IOMD_ATODCNT4	0x0000003e	/* ARM7500 */
    127 
    128 #define IOMD_DMA_SIZE		24
    129 #define IOMD_DMA_SPACING	32
    130 /* Each DMA channel has the same set of registers. */
    131 #define IOMD_DMAEND_STOP	0x80000000
    132 #define IOMD_DMAEND_LAST	0x40000000
    133 #define IOMD_DMAEND_OFFSET	0x00000fff
    134 #define IOMD_DMACR_CLEAR	0x80
    135 #define IOMD_DMACR_DIR		0x40
    136 #define IOMD_DMACR_ENABLE	0x20
    137 #define IOMD_DMACR_BYTE		0x01
    138 #define IOMD_DMACR_HALFWORD	0x02
    139 #define IOMD_DMACR_WORD		0x04
    140 #define IOMD_DMACR_QUADWORD	0x10
    141 #define IOMD_DMAST_OVERRUN	0x04
    142 #define IOMD_DMAST_INT		0x02
    143 #define IOMD_DMAST_BANKB       	0x01
    144 #define IOMD_DMAST_BANKA       	0x00
    145 
    146 #define IOMD_IO0CURA	0x00000040
    147 #define IOMD_IO0ENDA	0x00000041
    148 #define IOMD_IO0CURB	0x00000042
    149 #define IOMD_IO0ENDB	0x00000043
    150 #define IOMD_IO0CR	0x00000044
    151 #define IOMD_IO0ST	0x00000045
    152 #define IOMD_IO1CURA	0x00000048
    153 #define IOMD_IO1ENDA	0x00000049
    154 #define IOMD_IO1CURB	0x0000004a
    155 #define IOMD_IO1ENDB	0x0000004b
    156 #define IOMD_IO1CR	0x0000004c
    157 #define IOMD_IO1ST	0x0000004d
    158 #define IOMD_IO2CURA	0x00000050
    159 #define IOMD_IO2ENDA	0x00000051
    160 #define IOMD_IO2CURB	0x00000052
    161 #define IOMD_IO2ENDB	0x00000053
    162 #define IOMD_IO2CR	0x00000054
    163 #define IOMD_IO2ST	0x00000055
    164 #define IOMD_IO3CURA	0x00000058
    165 #define IOMD_IO3ENDA	0x00000059
    166 #define IOMD_IO3CURB	0x0000005a
    167 #define IOMD_IO3ENDB	0x0000005b
    168 #define IOMD_IO3CR	0x0000005c
    169 #define IOMD_IO3ST	0x0000005d
    170 
    171 #define IOMD_SD0CURA	0x00000060
    172 #define IOMD_SD0ENDA	0x00000061
    173 #define IOMD_SD0CURB	0x00000062
    174 #define IOMD_SD0ENDB	0x00000063
    175 #define IOMD_SD0CR	0x00000064
    176 #define IOMD_SD0ST	0x00000065
    177 
    178 #define IOMD_SD1CURA	0x00000068
    179 #define IOMD_SD1ENDA	0x00000069
    180 #define IOMD_SD1CURB	0x0000006a
    181 #define IOMD_SD1ENDB	0x0000006b
    182 #define IOMD_SD1CR	0x0000006c
    183 #define IOMD_SD1ST	0x0000006d
    184 
    185 #define IOMD_CURSCUR	0x00000070
    186 #define IOMD_CURSINIT	0x00000071
    187 #define IOMD_VIDCURB	0x00000072	/* ARM7500 */
    188 
    189 #define IOMD_VIDCUR	0x00000074
    190 #define IOMD_VIDEND	0x00000075
    191 #define IOMD_VIDSTART	0x00000076
    192 #define IOMD_VIDINIT	0x00000077
    193 #define IOMD_VIDCR	0x00000078
    194 
    195 #define IOMD_VIDINITB	0x0000007a	/* ARM7500 */
    196 
    197 #define IOMD_DMAST	0x0000007c
    198 #define IOMD_DMARQ	0x0000007d
    199 #define IOMD_DMAMSK	0x0000007e
    200 
    201 #define IOMD_SIZE	0x100	/* XXX - should be words ? */
    202 
    203 /*
    204  * Ok these mouse buttons are not strictly part of the iomd but
    205  * this register is required if the IOMD supports a quadrature mouse
    206  */
    207 
    208 #define IO_HW_MOUSE_BUTTONS	0x03210000
    209 #define IO_MOUSE_BUTTONS	0xf6010000
    210 
    211 #define MOUSE_BUTTON_RIGHT  0x10
    212 #define MOUSE_BUTTON_MIDDLE 0x20
    213 #define MOUSE_BUTTON_LEFT   0x40
    214 
    215 #define FREQCON	(iomd_base + 0x40000)
    216 
    217 #define RPC600_IOMD_ID		0xd4e7
    218 #define ARM7500_IOC_ID		0x5b98
    219 #define ARM7500FE_IOC_ID	0xaa7c
    220 
    221 #define IOMD_ADDRESS(reg)	(iomd_base + (reg << 2))
    222 #define IOMD_WRITE_BYTE(reg, val)	\
    223 	(*((volatile unsigned char *)(IOMD_ADDRESS(reg))) = (val))
    224 #define IOMD_WRITE_WORD(reg, val)	\
    225 	(*((volatile unsigned int *)(IOMD_ADDRESS(reg))) = (val))
    226 #define IOMD_READ_BYTE(reg)		\
    227 	(*((volatile unsigned char *)(IOMD_ADDRESS(reg))))
    228 #define IOMD_READ_WORD(reg)		\
    229 	(*((volatile unsigned int *)(IOMD_ADDRESS(reg))))
    230 
    231 #define IOMD_ID (IOMD_READ_BYTE(IOMD_ID0) | (IOMD_READ_BYTE(IOMD_ID1) << 8))
    232 
    233 /* End of iomdreg.h */
    234