dmac_0448.h revision 1.1
1 /* 2 * Copyright (c) 1992, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Sony Corp. and Kazumasa Utashiro of Software Research Associates, Inc. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * from: $Hdr: dmac_0448.h,v 4.300 91/06/09 06:21:36 root Rel41 $ SONY 37 * 38 * @(#)dmac_0448.h 8.1 (Berkeley) 6/11/93 39 */ 40 41 /* 42 * Copyright (c) 1989- by SONY Corporation. 43 */ 44 /* 45 * dmac_0448.h 46 * DMAC L7A0448 47 */ 48 49 /* dmac register base address */ 50 #define DMAC_BASE 0xbfe00000 51 52 /* register definition */ 53 #define DMAC_GSTAT (DMAC_BASE + 0xf) 54 #define DMAC_GSEL (DMAC_BASE + 0xe) 55 56 #define DMAC_CSTAT (DMAC_BASE + 0x2) 57 #define DMAC_CCTL (DMAC_BASE + 0x3) 58 #define DMAC_CTRCL (DMAC_BASE + 0x4) 59 #define DMAC_CTRCM (DMAC_BASE + 0x5) 60 #define DMAC_CTRCH (DMAC_BASE + 0x6) 61 #define DMAC_CTAG (DMAC_BASE + 0x7) 62 #define DMAC_CWID (DMAC_BASE + 0x8) 63 #define DMAC_COFSL (DMAC_BASE + 0x9) 64 #define DMAC_COFSH (DMAC_BASE + 0xa) 65 #define DMAC_CMAP (DMAC_BASE + 0xc) 66 #define DMAC_CMAPH (DMAC_BASE + 0xc) 67 #define DMAC_CMAPL (DMAC_BASE + 0xd) 68 69 #ifdef mips 70 #define VOLATILE volatile 71 #else 72 #define VOLATILE 73 #endif 74 75 #ifndef U_CHAR 76 #define U_CHAR unsigned VOLATILE char 77 #endif 78 79 #ifndef U_SHORT 80 #define U_SHORT unsigned VOLATILE short 81 #endif 82 83 #define dmac_gstat *(U_CHAR *)DMAC_GSTAT 84 #define dmac_gsel *(U_CHAR *)DMAC_GSEL 85 86 #define dmac_cstat *(U_CHAR *)DMAC_CSTAT 87 #define dmac_cctl *(U_CHAR *)DMAC_CCTL 88 #define dmac_ctrcl *(U_CHAR *)DMAC_CTRCL 89 #define dmac_ctrcm *(U_CHAR *)DMAC_CTRCM 90 #define dmac_ctrch *(U_CHAR *)DMAC_CTRCH 91 #define dmac_ctag *(U_CHAR *)DMAC_CTAG 92 #define dmac_cwid *(U_CHAR *)DMAC_CWID 93 #define dmac_cofsl *(U_CHAR *)DMAC_COFSL 94 #define dmac_cofsh *(U_CHAR *)DMAC_COFSH 95 #define dmac_cmap *(U_SHORT *)DMAC_CMAP 96 #define dmac_cmaph *(U_CHAR *)DMAC_CMAPH 97 #define dmac_cmapl *(U_CHAR *)DMAC_CMAPL 98 99 /* status/control bit definition */ 100 #define DM_TCZ 0x80 101 #define DM_A28 0x40 102 #define DM_AFIX 0x20 103 #define DM_APAD 0x10 104 #define DM_ZINTEN 0x8 105 #define DM_RST 0x4 106 #define DM_MODE 0x2 107 #define DM_ENABLE 1 108 109 /* general status bit definition */ 110 #define CH_INT(x) (u_char)(1 << (2 * x)) 111 #define CH0_INT 1 112 #define CH1_INT 4 113 #define CH2_INT 0x10 114 #define CH3_INT 0x40 115 116 #define CH_MRQ(x) (u_char)(1 << (2 * x + 1)) 117 #define CH0_MRQ 2 118 #define CH1_MRQ 8 119 #define CH2_MRQ 0x20 120 #define CH3_MRQ 0x80 121 122 /* channel definition */ 123 #define CH_SCSI 0 124 #define CH_FDC 1 125 #define CH_AUDIO 2 126 #define CH_VIDEO 3 127 128 /* dma status */ 129 130 struct dm_stat { 131 unsigned int dm_gstat; 132 unsigned int dm_cstat; 133 unsigned int dm_cctl; 134 unsigned int dm_tcnt; 135 unsigned int dm_offset; 136 unsigned int dm_tag; 137 unsigned int dm_width; 138 } ; 139 140 #define DMAC_WAIT nops(10) 141 142 #define PINTEN 0xbfc80001 143 # define DMA_INTEN 0x10 144 #define PINTSTAT 0xbfc80003 145
Indexes created Tue Sep 30 20:09:53 GMT 2025