if_txreg.h revision 331722
1/*- 2 * Copyright (c) 1997 Semen Ustimenko 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: stable/11/sys/dev/tx/if_txreg.h 331722 2018-03-29 02:50:57Z eadler $ 27 */ 28 29#define EPIC_MAX_MTU 1600 /* This is experiment-derived value */ 30 31/* PCI aux configuration registers */ 32#define PCIR_BASEIO PCIR_BAR(0) /* Base IO Address */ 33#define PCIR_BASEMEM PCIR_BAR(1) /* Base Memory Address */ 34 35/* PCI identification */ 36#define SMC_VENDORID 0x10B8 37#define SMC_DEVICEID_83C170 0x0005 38 39/* EPIC's registers */ 40#define COMMAND 0x0000 41#define INTSTAT 0x0004 /* Interrupt status. See below */ 42#define INTMASK 0x0008 /* Interrupt mask. See below */ 43#define GENCTL 0x000C 44#define NVCTL 0x0010 45#define EECTL 0x0014 /* EEPROM control **/ 46#define TEST1 0x001C /* XXXXX */ 47#define CRCCNT 0x0020 /* CRC error counter */ 48#define ALICNT 0x0024 /* FrameTooLang error counter */ 49#define MPCNT 0x0028 /* MissedFrames error counters */ 50#define MIICTL 0x0030 51#define MIIDATA 0x0034 52#define MIICFG 0x0038 53#define IPG 0x003C 54#define LAN0 0x0040 /* MAC address */ 55#define LAN1 0x0044 /* MAC address */ 56#define LAN2 0x0048 /* MAC address */ 57#define ID_CHK 0x004C 58#define MC0 0x0050 /* Multicast filter table */ 59#define MC1 0x0054 /* Multicast filter table */ 60#define MC2 0x0058 /* Multicast filter table */ 61#define MC3 0x005C /* Multicast filter table */ 62#define RXCON 0x0060 /* Rx control register */ 63#define TXCON 0x0070 /* Tx control register */ 64#define TXSTAT 0x0074 65#define PRCDAR 0x0084 /* RxRing bus address */ 66#define PRSTAT 0x00A4 67#define PRCPTHR 0x00B0 68#define PTCDAR 0x00C4 /* TxRing bus address */ 69#define ETXTHR 0x00DC 70 71#define COMMAND_STOP_RX 0x01 72#define COMMAND_START_RX 0x02 73#define COMMAND_TXQUEUED 0x04 74#define COMMAND_RXQUEUED 0x08 75#define COMMAND_NEXTFRAME 0x10 76#define COMMAND_STOP_TDMA 0x20 77#define COMMAND_STOP_RDMA 0x40 78#define COMMAND_TXUGO 0x80 79 80/* Interrupt register bits */ 81#define INTSTAT_RCC 0x00000001 82#define INTSTAT_HCC 0x00000002 83#define INTSTAT_RQE 0x00000004 84#define INTSTAT_OVW 0x00000008 85#define INTSTAT_RXE 0x00000010 86#define INTSTAT_TXC 0x00000020 87#define INTSTAT_TCC 0x00000040 88#define INTSTAT_TQE 0x00000080 89#define INTSTAT_TXU 0x00000100 90#define INTSTAT_CNT 0x00000200 91#define INTSTAT_PREI 0x00000400 92#define INTSTAT_RCT 0x00000800 93#define INTSTAT_FATAL 0x00001000 /* One of DPE,APE,PMA,PTA happened */ 94#define INTSTAT_UNUSED1 0x00002000 95#define INTSTAT_UNUSED2 0x00004000 96#define INTSTAT_GP2 0x00008000 /* PHY Event */ 97#define INTSTAT_INT_ACTV 0x00010000 98#define INTSTAT_RXIDLE 0x00020000 99#define INTSTAT_TXIDLE 0x00040000 100#define INTSTAT_RCIP 0x00080000 101#define INTSTAT_TCIP 0x00100000 102#define INTSTAT_RBE 0x00200000 103#define INTSTAT_RCTS 0x00400000 104#define INTSTAT_RSV 0x00800000 105#define INTSTAT_DPE 0x01000000 /* PCI Fatal error */ 106#define INTSTAT_APE 0x02000000 /* PCI Fatal error */ 107#define INTSTAT_PMA 0x04000000 /* PCI Fatal error */ 108#define INTSTAT_PTA 0x08000000 /* PCI Fatal error */ 109 110#define GENCTL_SOFT_RESET 0x00000001 111#define GENCTL_ENABLE_INTERRUPT 0x00000002 112#define GENCTL_SOFTWARE_INTERRUPT 0x00000004 113#define GENCTL_POWER_DOWN 0x00000008 114#define GENCTL_ONECOPY 0x00000010 115#define GENCTL_BIG_ENDIAN 0x00000020 116#define GENCTL_RECEIVE_DMA_PRIORITY 0x00000040 117#define GENCTL_TRANSMIT_DMA_PRIORITY 0x00000080 118#define GENCTL_RECEIVE_FIFO_THRESHOLD128 0x00000300 119#define GENCTL_RECEIVE_FIFO_THRESHOLD96 0x00000200 120#define GENCTL_RECEIVE_FIFO_THRESHOLD64 0x00000100 121#define GENCTL_RECEIVE_FIFO_THRESHOLD32 0x00000000 122#define GENCTL_MEMORY_READ_LINE 0x00000400 123#define GENCTL_MEMORY_READ_MULTIPLE 0x00000800 124#define GENCTL_SOFTWARE1 0x00001000 125#define GENCTL_SOFTWARE2 0x00002000 126#define GENCTL_RESET_PHY 0x00004000 127 128#define NVCTL_ENABLE_MEMORY_MAP 0x00000001 129#define NVCTL_CLOCK_RUN_SUPPORTED 0x00000002 130#define NVCTL_GP1_OUTPUT_ENABLE 0x00000004 131#define NVCTL_GP2_OUTPUT_ENABLE 0x00000008 132#define NVCTL_GP1 0x00000010 133#define NVCTL_GP2 0x00000020 134#define NVCTL_CARDBUS_MODE 0x00000040 135#define NVCTL_IPG_DELAY_MASK(x) ((x&0xF)<<7) 136 137#define RXCON_SAVE_ERRORED_PACKETS 0x00000001 138#define RXCON_RECEIVE_RUNT_FRAMES 0x00000002 139#define RXCON_RECEIVE_BROADCAST_FRAMES 0x00000004 140#define RXCON_RECEIVE_MULTICAST_FRAMES 0x00000008 141#define RXCON_RECEIVE_INVERSE_INDIVIDUAL_ADDRESS_FRAMES 0x00000010 142#define RXCON_PROMISCUOUS_MODE 0x00000020 143#define RXCON_MONITOR_MODE 0x00000040 144#define RXCON_EARLY_RECEIVE_ENABLE 0x00000080 145#define RXCON_EXTERNAL_BUFFER_DISABLE 0x00000000 146#define RXCON_EXTERNAL_BUFFER_16K 0x00000100 147#define RXCON_EXTERNAL_BUFFER_32K 0x00000200 148#define RXCON_EXTERNAL_BUFFER_128K 0x00000300 149 150#define TXCON_EARLY_TRANSMIT_ENABLE 0x00000001 151#define TXCON_LOOPBACK_DISABLE 0x00000000 152#define TXCON_LOOPBACK_MODE_INT 0x00000002 153#define TXCON_LOOPBACK_MODE_PHY 0x00000004 154#define TXCON_LOOPBACK_MODE 0x00000006 155#define TXCON_FULL_DUPLEX 0x00000006 156#define TXCON_SLOT_TIME 0x00000078 157 158#define MIICFG_SERIAL_ENABLE 0x00000001 159#define MIICFG_694_ENABLE 0x00000002 160#define MIICFG_694_STATUS 0x00000004 161#define MIICFG_PHY_PRESENT 0x00000008 162#define MIICFG_SMI_ENABLE 0x00000010 163 164#define TEST1_CLOCK_TEST 0x00000008 165 166/* 167 * Some default values 168 */ 169#define TXCON_DEFAULT (TXCON_SLOT_TIME | TXCON_EARLY_TRANSMIT_ENABLE) 170#define TRANSMIT_THRESHOLD 0x300 171#define TRANSMIT_THRESHOLD_MAX 0x600 172 173#define RXCON_DEFAULT (RXCON_RECEIVE_MULTICAST_FRAMES | \ 174 RXCON_RECEIVE_BROADCAST_FRAMES) 175 176#define RXCON_EARLY_RX (RXCON_EARLY_RECEIVE_ENABLE | \ 177 RXCON_SAVE_ERRORED_PACKETS) 178/* 179 * EEPROM structure 180 * SMC9432* eeprom is organized by words and only first 8 words 181 * have distinctive meaning (according to datasheet) 182 */ 183#define EEPROM_MAC0 0x0000 /* Byte 0 / Byte 1 */ 184#define EEPROM_MAC1 0x0001 /* Byte 2 / Byte 3 */ 185#define EEPROM_MAC2 0x0002 /* Byte 4 / Byte 5 */ 186#define EEPROM_BID_CSUM 0x0003 /* Board Id / Check Sum */ 187#define EEPROM_NVCTL 0x0004 /* NVCTL (bits 0-5) / nothing */ 188#define EEPROM_PCI_MGD_MLD 0x0005 /* PCI MinGrant / MaxLatency. Desired */ 189#define EEPROM_SSVENDID 0x0006 /* Subsystem Vendor Id */ 190#define EEPROM_SSID 0x0006 /* Subsystem Id */ 191 192/* 193 * Hardware structures. 194 */ 195 196/* 197 * EPIC's hardware descriptors, must be aligned on dword in memory. 198 * NB: to make driver happy, this two structures MUST have their sizes 199 * be divisor of PAGE_SIZE. 200 */ 201struct epic_tx_desc { 202 volatile u_int16_t status; 203 volatile u_int16_t txlength; 204 volatile u_int32_t bufaddr; 205 volatile u_int16_t buflength; 206 volatile u_int16_t control; 207 volatile u_int32_t next; 208}; 209struct epic_rx_desc { 210 volatile u_int16_t status; 211 volatile u_int16_t rxlength; 212 volatile u_int32_t bufaddr; 213 volatile u_int32_t buflength; 214 volatile u_int32_t next; 215}; 216 217/* 218 * This structure defines EPIC's fragment list, maximum number of frags 219 * is 63. Let's use the maximum, because size of struct MUST be divisor 220 * of PAGE_SIZE, and sometimes come mbufs with more then 30 frags. 221 */ 222#define EPIC_MAX_FRAGS 63 223struct epic_frag_list { 224 volatile u_int32_t numfrags; 225 struct { 226 volatile u_int32_t fragaddr; 227 volatile u_int32_t fraglen; 228 } frag[EPIC_MAX_FRAGS]; 229 volatile u_int32_t pad; /* align on 256 bytes */ 230}; 231 232/* 233 * NB: ALIGN OF ABOVE STRUCTURES 234 * epic_rx_desc, epic_tx_desc, epic_frag_list - must be aligned on dword 235 */ 236 237#define SMC9432DMT 0xA010 238#define SMC9432TX 0xA011 239#define SMC9032TXM 0xA012 240#define SMC9032TX 0xA013 241#define SMC9432TXPWR 0xA014 242#define SMC9432BTX 0xA015 243#define SMC9432FTX 0xA016 244#define SMC9432FTX_SC 0xA017 245#define SMC9432TX_XG_ADHOC 0xA020 246#define SMC9434TX_XG_ADHOC 0xA021 247#define SMC9432FTX_ADHOC 0xA022 248#define SMC9432BTX1 0xA024 249