1 /* $NetBSD: if_aumacreg.h,v 1.1 2002/07/29 15:39:14 simonb Exp $ */ 2 3 /* 4 * Copyright (c) 2001 Wasabi Systems, Inc. 5 * All rights reserved. 6 * 7 * Written by Jason R. Thorpe for Wasabi Systems, Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed for the NetBSD Project by 20 * Wasabi Systems, Inc. 21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 * or promote products derived from this software without specific prior 23 * written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 #ifndef _MIPS_ALCHEMY_DEV_AUMACREG_H_ 39 #define _MIPS_ALCHEMY_DEV_AUMACREG_H_ 40 41 /* 42 * Register description for the Alchemy Semiconductor Au1X00 43 * Ethernet Media Access Controllers. 44 */ 45 46 #define MAC_BUFLEN 0x0800 47 #define MAC_BUFLEN_JUMBO 0x2800 48 49 /* 50 * MAC registers. 51 */ 52 53 #define MAC_CONTROL 0x0000 /* MAC control */ 54 #define CONTROL_RA (1U << 31) /* receive all */ 55 #define CONTROL_EM (1U << 30) /* 1 = big endian */ 56 #define CONTROL_DO (1U << 23) /* disable receive own */ 57 #define CONTROL_LM(x) ((x) << 21) /* loopback mode */ 58 /* 0 = normal */ 59 /* 1 = internal loopback */ 60 /* 2 = external loopback */ 61 /* 3 = reserved */ 62 #define CONTROL_F (1U << 20) /* full-duplex mode */ 63 #define CONTROL_PM (1U << 19) /* pass all multicast */ 64 #define CONTROL_PR (1U << 18) /* promiscuous mode */ 65 #define CONTROL_IF (1U << 17) /* inverse filtering */ 66 #define CONTROL_PB (1U << 16) /* pass bad frames */ 67 #define CONTROL_HO (1U << 15) /* hash-only filtering */ 68 #define CONTROL_HP (1U << 13) /* hash-perfect filtering */ 69 #define CONTROL_LC (1U << 12) /* re-tx on late collision */ 70 #define CONTROL_DB (1U << 11) /* disable broadcast frames */ 71 #define CONTROL_DR (1U << 10) /* disable retry */ 72 #define CONTROL_AP (1U << 8) /* automatic pad stripping */ 73 #define CONTROL_BL(x) ((x) << 6) /* backoff limit */ 74 #define CONTROL_DC (1U << 5) /* deferral check */ 75 #define CONTROL_TE (1U << 3) /* transmitter enable */ 76 #define CONTROL_RE (1U << 2) /* receiver enable */ 77 78 #define MAC_ADDRHIGH 0x0004 /* high 16 bits of station address */ 79 80 #define MAC_ADDRLOW 0x0008 /* low 32 bits of station address */ 81 82 #define MAC_HASHHIGH 0x000c /* high 32 bits of multicast hash */ 83 84 #define MAC_HASHLOW 0x0010 /* low 32 bits of multicast hash */ 85 86 #define MAC_MIICTRL 0x0014 /* MII PHY control */ 87 #define MIICTRL_PHYADDR(x) ((x) << 11) /* PHY address */ 88 #define MIICTRL_MIIREG(x) ((x) << 6) /* MII register */ 89 #define MIICTRL_MW (1U << 1) /* MII write */ 90 #define MIICTRL_MB (1U << 0) /* MII busy */ 91 92 #define MAC_MIIDATA 0x0018 /* MII PHY data */ 93 #define MIIDATA_MASK 0xffff /* MII data bits */ 94 95 #define MAC_FLOWCTRL 0x001c /* control frame generation control */ 96 #define FLOWCTRL_PT(x) ((x) << 16) /* pause time */ 97 #define FLOWCTRL_PC (1U << 2) /* pass control frame */ 98 #define FLOWCTRL_FE (1U << 1) /* flow control enable */ 99 #define FLOWCTRL_FB (1U << 0) /* flow control busy */ 100 101 #define MAC_VLAN1 0x0020 /* VLAN1 tag */ 102 103 #define MAC_VLAN2 0x0024 /* VLAN2 tag */ 104 105 /* 106 * MAC Enable registers. 107 */ 108 109 #define MACEN_JP (1U << 6) /* jumbo packet enable */ 110 #define MACEN_E2 (1U << 5) /* enable2 */ 111 #define MACEN_E1 (1U << 4) /* enable1 */ 112 #define MACEN_C (1U << 3) /* 0 == coherent */ 113 #define MACEN_TS (1U << 2) /* disable toss */ 114 #define MACEN_E0 (1U << 1) /* enable0 */ 115 #define MACEN_CE (1U << 0) /* clock enable */ 116 117 /* 118 * MAC DMA registers. 119 */ 120 121 #define MACDMA_TX_ENTRY(x) ((x) << 4) 122 #define MACDMA_RX_ENTRY(x) (((x) << 4) + 0x100) 123 124 #define MACDMA_TX_STAT(x) (MACDMA_TX_ENTRY(x) + 0x00) 125 #define MACDMA_TX_ADDR(x) (MACDMA_TX_ENTRY(x) + 0x04) 126 #define MACDMA_TX_LEN(x) (MACDMA_TX_ENTRY(x) + 0x08) 127 128 #define MACDMA_RX_STAT(x) (MACDMA_RX_ENTRY(x) + 0x00) 129 #define MACDMA_RX_ADDR(x) (MACDMA_RX_ENTRY(x) + 0x04) 130 131 #define RX_STAT_MI (1U << 31) /* missed frame */ 132 #define RX_STAT_PF (1U << 30) /* packet filter pass */ 133 #define RX_STAT_FF (1U << 29) /* filtering fail */ 134 #define RX_STAT_BF (1U << 28) /* broadcast frame */ 135 #define RX_STAT_MF (1U << 27) /* multicast frame */ 136 #define RX_STAT_UC (1U << 26) /* unsupported control frame */ 137 #define RX_STAT_CF (1U << 25) /* control frame */ 138 #define RX_STAT_LE (1U << 24) /* length error */ 139 #define RX_STAT_V2 (1U << 23) /* VLAN2 match */ 140 #define RX_STAT_V1 (1U << 22) /* VLAN1 match */ 141 #define RX_STAT_CR (1U << 21) /* CRC error */ 142 #define RX_STAT_DB (1U << 20) /* dribbling bit */ 143 #define RX_STAT_ME (1U << 19) /* MII error */ 144 #define RX_STAT_FT (1U << 18) /* 0 = 802.3, 1 = Ethernet */ 145 #define RX_STAT_CS (1U << 17) /* collision seen */ 146 #define RX_STAT_FL (1U << 16) /* frame too long */ 147 #define RX_STAT_RF (1U << 15) /* runt frame */ 148 #define RX_STAT_WT (1U << 14) /* watchdog timeout */ 149 #define RX_STAT_L(x) ((x) & 0x3fff) /* frame length */ 150 151 #define RX_STAT_ERRS (RX_STAT_MI | RX_STAT_UC | RX_STAT_LE | RX_STAT_CR | \ 152 RX_STAT_DB | RX_STAT_ME | RX_STAT_CS | RX_STAT_FL | \ 153 RX_STAT_RF | RX_STAT_WT) 154 155 #define RX_ADDR_CB(x) (((x) >> 2) & 3)/* current buffer */ 156 #define RX_ADDR_DN (1U << 1) /* transaction done */ 157 #define RX_ADDR_EN (1U << 0) /* enable this buffer */ 158 159 #define TX_STAT_PR (1U << 31) /* packet retry */ 160 #define TX_STAT_CC(x) (((x) >> 10) & 0xf) /* collision count */ 161 #define TX_STAT_LO (1U << 9) /* late collision observed */ 162 #define TX_STAT_DF (1U << 8) /* deferred transmission */ 163 #define TX_STAT_UR (1U << 7) /* data underrun */ 164 #define TX_STAT_EC (1U << 6) /* excessive collisions */ 165 #define TX_STAT_LC (1U << 5) /* late collision */ 166 #define TX_STAT_ED (1U << 4) /* excessive deferral */ 167 #define TX_STAT_LS (1U << 3) /* loss of carrier */ 168 #define TX_STAT_NC (1U << 2) /* no carrier */ 169 #define TX_STAT_JT (1U << 1) /* jabber timeout */ 170 #define TX_STAT_FA (1U << 0) /* frame aborted */ 171 172 #define TX_ADDR_CB(x) (((x) >> 2) & 3)/* current buffer */ 173 #define TX_ADDR_DN (1U << 1) /* transaction done */ 174 #define TX_ADDR_EN (1U << 0) /* enable this buffer */ 175 176 #endif /* _MIPS_ALCHEMY_DEV_AUMACREG_H_ */ 177