1 /* $NetBSD: if_bcereg.h,v 1.6 2023/06/27 21:43:58 nisimura Exp $ */ 2 3 /* 4 * Copyright (c) 2003 Clifford Wright. 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, 22 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 24 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 /* Broadcom BCM440x */ 31 32 /* PCI registers defined in the PCI 2.2 spec. */ 33 #define BCE_PCI_BAR0 0x10 34 35 /* Sonics SB register access */ 36 #define BCE_REG_WIN 0x80 37 #define BCE_SONICS_WIN 0x18002000 38 39 /* Sonics PCI control */ 40 #define BCE_SPCI_TR2 0x0108 /* Sonics to PCI translation 41 * 2 */ 42 /* bit defines */ 43 #define SBTOPCI_PREF 0x4 /* prefetch enable */ 44 #define SBTOPCI_BURST 0x8 /* burst enable */ 45 #define BCE_SBINTVEC 0x0f94 46 /* interrupt bits */ 47 #define SBIV_ENET0 0x02 /* enable for enet 0 */ 48 #define SBIV_ENET1 0x40 /* enable for enet 1 */ 49 50 51 /* Host Interface Registers */ 52 53 #define BCE_DEVCTL 0x0000 /* device control */ 54 /* device control bits */ 55 #define BCE_DC_IP 0x00000400 /* internal phy present */ 56 #define BCE_DC_ER 0x00008000 /* ephy reset */ 57 /* Interrupt Control */ 58 #define BCE_INT_STS 0x0020 59 #define BCE_INT_MASK 0x0024 60 /* bits for both status, and mask */ 61 #define I_TO 0x00000080 /* general timeout */ 62 #define I_PC 0x00000400 /* descriptor error */ 63 #define I_PD 0x00000800 /* data error */ 64 #define I_DE 0x00001000 /* desc. protocol error */ 65 #define I_RU 0x00002000 /* rx desc. underflow */ 66 #define I_RO 0x00004000 /* rx fifo overflow */ 67 #define I_XU 0x00008000 /* tx fifo underflow */ 68 #define I_RI 0x00010000 /* receive interrupt */ 69 #define I_XI 0x01000000 /* transmit interrupt */ 70 71 /* Ethernet MAC Control */ 72 #define BCE_MACCTL 0x00A8 /* ethernet mac control */ 73 /* mac control bits */ 74 #define BCE_EMC_CRC32_ENAB 0x00000001 /* crc32 generation */ 75 #define BCE_EMC_PDOWN 0x00000004 /* PHY powerdown */ 76 #define BCE_EMC_EDET 0x00000008 /* PHY energy detect */ 77 #define BCE_EMC_LED 0x000000e0 /* PHY LED control */ 78 79 /* recv coalesce; 31:24 frame upper bound, 23:0 guard period */ 80 #define BCE_DMAI_CTL 0x0100 81 82 /* DMA registers */ 83 #define BCE_DMA_TXCTL 0x0200 /* transmit control */ 84 /* transmit control bits */ 85 #define XC_XE 0x1 /* transmit enable */ 86 #define XC_LE 0x4 /* loopback enable */ 87 #define BCE_DMA_TXADDR 0x0204 /* tx ring base address */ 88 #define BCE_DMA_DPTR 0x0208 /* last tx descriptor */ 89 #define BCE_DMA_TXSTATUS 0x020C /* active desc, etc */ 90 #define BCE_DMA_RXCTL 0x0210 /* enable, etc */ 91 #define BCE_DMA_RXADDR 0x0214 /* rx ring base address */ 92 #define BCE_DMA_RXDPTR 0x0218 /* last descriptor */ 93 #define BCE_DMA_RXSTATUS 0x021C /* active desc, etc */ 94 /* receive status bits */ 95 #define RS_CD_MASK 0x0fff /* current descriptor pointer */ 96 #define RS_DMA_IDLE 0x2000 /* DMA is idle */ 97 #define RS_ERROR 0xf0000 /* had an error */ 98 99 /* Ethernet MAC control registers */ 100 #define BCE_RX_CTL 0x0400 /* receive config */ 101 /* config bits */ 102 #define ERC_DB 0x00000001 /* disable broadcast */ 103 #define ERC_AM 0x00000002 /* rx all multicast */ 104 #define ERC_PE 0x00000008 /* promiscuous enable */ 105 106 #define BCE_RX_MAX 0x0404 /* max packet length */ 107 #define BCE_TX_MAX 0x0408 108 #define BCE_MI_CTL 0x0410 109 #define BCE_MI_COMM 0x0414 110 #define BCE_MI_STS 0x041C 111 /* mii status bits */ 112 #define BCE_MIINTR 0x00000001 /* mii mdio interrupt */ 113 114 #define BCE_FILT_LOW 0x0420 /* mac low 4 bytes */ 115 #define BCE_FILT_HI 0x0424 /* mac hi 2 bytes */ 116 #define BCE_FILT_CTL 0x0428 /* packet filter ctrl */ 117 #define BCE_ENET_CTL 0x042C 118 /* bits for mac control */ 119 #define EC_EE 0x00000001 /* emac enable */ 120 #define EC_ED 0x00000002 /* disable emac */ 121 #define EC_ES 0x00000004 /* soft reset emac */ 122 #define EC_EP 0x00000008 /* external phy */ 123 #define BCE_TX_CTL 0x0430 124 /* bits for transmit control */ 125 #define EXC_FD 0x00000001 /* full duplex */ 126 #define BCE_TX_WATER 0x0434 /* tx watermark */ 127 128 /* statistics counters */ 129 #define BCE_RX_PKTS 0x058C 130 131 /* SiliconBackplane registers */ 132 #define BCE_SBIMSTATE 0x0f90 133 #define BCE_SBTMSTATELOW 0x0f98 134 #define BCE_SBTMSTATEHI 0x0f9C 135 #define SBTML_RESET 0x1 /* reset */ 136 #define SBTML_REJ 0x2 /* reject */ 137 #define SBTML_CLK 0x10000 /* clock enable */ 138 #define SBTML_FGC 0x20000 /* force gated clocks on */ 139 140 /* MI communication register */ 141 #define BCE_MICOMM_DATA 0x0000FFFF 142 143 #define BCE_MIREG(x) ((x & 0x1F) << 18) 144 #define BCE_MIPHY(x) ((x & 0x1F) << 23) 145 146 /* Magic constants.... */ 147 #define BCE_MAGIC_PHYEMAC_BASE 0x1000 148 #define BCE_MAGIC_PHY (BCE_MAGIC_PHYEMAC_BASE + 90) 149 #define BCE_MAGIC_ENET0 (BCE_MAGIC_PHYEMAC_BASE + 79) 150 #define BCE_MAGIC_ENET1 (BCE_MAGIC_PHYEMAC_BASE + 78) 151 #define BCE_MAGIC_ENET2 (BCE_MAGIC_PHYEMAC_BASE + 81) 152 #define BCE_MAGIC_ENET3 (BCE_MAGIC_PHYEMAC_BASE + 80) 153 #define BCE_MAGIC_ENET4 (BCE_MAGIC_PHYEMAC_BASE + 83) 154 #define BCE_MAGIC_ENET5 (BCE_MAGIC_PHYEMAC_BASE + 82) 155 156 #define SBIM_MAGIC_ERRORBITS 0x60000 157