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      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