xref: /netbsd-src/sys/arch/newsmips/apbus/dmac3reg.h (revision 14395bf943f5c80fb30290f76f42e711c387a26e)
1 /*	$NetBSD: dmac3reg.h,v 1.3 2008/04/09 15:43:03 tsutsui Exp $	*/
2 
3 /*-
4  * Copyright (c) 2000 Tsubai Masanari.  All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. The name of the author may not be used to endorse or promote products
15  *    derived from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 struct dmac3reg {
30 	volatile uint32_t csr;
31 	volatile uint32_t intr;
32 	volatile uint32_t len;
33 	volatile uint32_t addr;
34 	volatile uint32_t conf;
35 };
36 
37 #define DMAC3_CSR_DBURST	0x0020
38 #define DMAC3_CSR_MBURST	0x0010
39 #define DMAC3_CSR_APAD		0x0008
40 #define DMAC3_CSR_RESET		0x0004
41 #define DMAC3_CSR_RECV		0x0002
42 #define DMAC3_CSR_SEND		0x0000
43 #define DMAC3_CSR_ENABLE	0x0001
44 
45 #define DMAC3_INTR_PERR		0x8000
46 #define DMAC3_INTR_DRQI		0x4000
47 #define DMAC3_INTR_DRQIE	0x2000
48 #define DMAC3_INTR_DREQ		0x1000
49 #define DMAC3_INTR_EOPI		0x0400
50 #define DMAC3_INTR_EOPIE	0x0200
51 #define DMAC3_INTR_EOP		0x0100
52 #define DMAC3_INTR_TCI		0x0040
53 #define DMAC3_INTR_TCIE		0x0020
54 #define DMAC3_INTR_INTEN	0x0002
55 #define DMAC3_INTR_INT		0x0001
56 
57 #define DMAC3_CONF_IPER		0x8000
58 #define DMAC3_CONF_MPER		0x4000
59 #define DMAC3_CONF_PCEN		0x2000
60 #define DMAC3_CONF_DERR		0x1000
61 #define DMAC3_CONF_DCEN		0x0800
62 #define DMAC3_CONF_ODDP		0x0200
63 #define DMAC3_CONF_WIDTH	0x00ff
64 #define DMAC3_CONF_SLOWACCESS	0x0020
65 #define DMAC3_CONF_FASTACCESS	0x0001
66 
67 
68 #define DMAC3_PAGEMAP	0xb4c20000
69 #define DMAC3_MAPSIZE	0x20000
70 
71 struct dma_pte {
72 	uint32_t pad1;
73 	uint32_t valid:1,
74 	      coherent:1,	/* ? */
75 	      pad2:10,		/* ? */
76 	      pfnum:20;
77 };
78