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