1 /*- 2 * SPDX-License-Identifier: BSD-4-Clause 3 * 4 * Copyright (c) 1997, 1998 5 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Bill Paul. 18 * 4. Neither the name of the author nor the names of any co-contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 /* 36 * Rhine register definitions. 37 */ 38 39 #define VR_PAR0 0x00 /* node address 0 to 4 */ 40 #define VR_PAR1 0x04 /* node address 2 to 6 */ 41 #define VR_RXCFG 0x06 /* receiver config register */ 42 #define VR_TXCFG 0x07 /* transmit config register */ 43 #define VR_CR0 0x08 /* command register 0 */ 44 #define VR_CR1 0x09 /* command register 1 */ 45 #define VR_TQW 0x0A /* tx queue wake 6105M, 8bits */ 46 #define VR_ISR 0x0C /* interrupt/status register */ 47 #define VR_IMR 0x0E /* interrupt mask register */ 48 #define VR_MAR0 0x10 /* multicast hash 0 */ 49 #define VR_MAR1 0x14 /* multicast hash 1 */ 50 #define VR_MCAM0 0x10 51 #define VR_MCAM1 0x11 52 #define VR_MCAM2 0x12 53 #define VR_MCAM3 0x13 54 #define VR_MCAM4 0x14 55 #define VR_MCAM5 0x15 56 #define VR_VCAM0 0x16 57 #define VR_VCAM1 0x17 58 #define VR_RXADDR 0x18 /* rx descriptor list start addr */ 59 #define VR_TXADDR 0x1C /* tx descriptor list start addr */ 60 #define VR_CURRXDESC0 0x20 61 #define VR_CURRXDESC1 0x24 62 #define VR_CURRXDESC2 0x28 63 #define VR_CURRXDESC3 0x2C 64 #define VR_NEXTRXDESC0 0x30 65 #define VR_NEXTRXDESC1 0x34 66 #define VR_NEXTRXDESC2 0x38 67 #define VR_NEXTRXDESC3 0x3C 68 #define VR_CURTXDESC0 0x40 69 #define VR_CURTXDESC1 0x44 70 #define VR_CURTXDESC2 0x48 71 #define VR_CURTXDESC3 0x4C 72 #define VR_NEXTTXDESC0 0x50 73 #define VR_NEXTTXDESC1 0x54 74 #define VR_NEXTTXDESC2 0x58 75 #define VR_NEXTTXDESC3 0x5C 76 #define VR_CURRXDMA 0x60 /* current RX DMA address */ 77 #define VR_CURTXDMA 0x64 /* current TX DMA address */ 78 #define VR_TALLYCNT 0x68 /* tally counter test register */ 79 #define VR_PHYADDR 0x6C 80 #define VR_MIISTAT 0x6D 81 #define VR_BCR0 0x6E 82 #define VR_BCR1 0x6F 83 #define VR_MIICMD 0x70 84 #define VR_MIIADDR 0x71 85 #define VR_MIIDATA 0x72 86 #define VR_EECSR 0x74 87 #define VR_TEST 0x75 88 #define VR_GPIO 0x76 89 #define VR_CFGA 0x78 90 #define VR_CFGB 0x79 91 #define VR_CFGC 0x7A 92 #define VR_CFGD 0x7B 93 #define VR_MPA_CNT 0x7C 94 #define VR_CRC_CNT 0x7E 95 #define VR_MISC_CR0 0x80 /* VT6102, 8bits */ 96 #define VR_MISC_CR1 0x81 97 #define VR_STICKHW 0x83 98 #define VR_MII_ISR 0x84 99 #define VR_MII_IMR 0x86 100 #define VR_CAMMASK 0x88 /* VT6105M, 32bits */ 101 #define VR_CAMCTL 0x92 /* VT6105M, 8bits */ 102 #define VR_CAMADDR 0x93 /* VT6105M, 8bits */ 103 #define VR_FLOWCR0 0x98 104 #define VR_FLOWCR1 0x99 105 #define VR_PAUSETIMER 0x9A /* 16bit */ 106 #define VR_WOLCR_SET 0xA0 107 #define VR_PWRCFG_SET 0xA1 108 #define VR_TESTREG_SET 0xA2 109 #define VR_WOLCFG_SET 0xA3 110 #define VR_WOLCR_CLR 0xA4 111 #define VR_PWRCFG_CLR 0xA5 112 #define VR_TESTREG_CLR 0xA6 113 #define VR_WOLCFG_CLR 0xA7 114 #define VR_PWRCSR_SET 0xA8 115 #define VR_PWRCSR1_SET 0xA9 116 #define VR_PWRCSR_CLR 0xAC 117 #define VR_PWRCSR1_CLR 0xAD 118 119 /* Misc Registers */ 120 #define VR_MISCCR0_RXPAUSE 0x08 121 #define VR_MISCCR1_FORSRST 0x40 122 123 /* 124 * RX config bits. 125 */ 126 #define VR_RXCFG_RX_ERRPKTS 0x01 127 #define VR_RXCFG_RX_RUNT 0x02 128 #define VR_RXCFG_RX_MULTI 0x04 129 #define VR_RXCFG_RX_BROAD 0x08 130 #define VR_RXCFG_RX_PROMISC 0x10 131 #define VR_RXCFG_RX_THRESH 0xE0 132 133 #define VR_RXTHRESH_32BYTES 0x00 134 #define VR_RXTHRESH_64BYTES 0x20 135 #define VR_RXTHRESH_128BYTES 0x40 136 #define VR_RXTHRESH_256BYTES 0x60 137 #define VR_RXTHRESH_512BYTES 0x80 138 #define VR_RXTHRESH_768BYTES 0xA0 139 #define VR_RXTHRESH_1024BYTES 0xC0 140 #define VR_RXTHRESH_STORENFWD 0xE0 141 142 /* 143 * TX config bits. 144 */ 145 #define VR_TXCFG_TXTAGEN 0x01 /* 6105M */ 146 #define VR_TXCFG_LOOPBKMODE 0x06 147 #define VR_TXCFG_BACKOFF 0x08 148 #define VR_TXCFG_RXTAGCTL 0x10 /* 6105M */ 149 #define VR_TXCFG_TX_THRESH 0xE0 150 151 #define VR_TXTHRESH_32BYTES 0x00 152 #define VR_TXTHRESH_64BYTES 0x20 153 #define VR_TXTHRESH_128BYTES 0x40 154 #define VR_TXTHRESH_256BYTES 0x60 155 #define VR_TXTHRESH_512BYTES 0x80 156 #define VR_TXTHRESH_768BYTES 0xA0 157 #define VR_TXTHRESH_1024BYTES 0xC0 158 #define VR_TXTHRESH_STORENFWD 0xE0 159 #define VR_TXTHRESH_MIN 1 /* 64 bytes */ 160 #define VR_TXTHRESH_MAX 5 /* store and forward */ 161 162 /* 163 * Command register bits. 164 */ 165 #define VR_CR0_INIT 0x01 166 #define VR_CR0_START 0x02 167 #define VR_CR0_STOP 0x04 168 #define VR_CR0_RX_ON 0x08 169 #define VR_CR0_TX_ON 0x10 170 #define VR_CR0_TX_GO 0x20 171 #define VR_CR0_RX_GO 0x40 172 #define VR_CR0_RSVD 0x80 173 #define VR_CR1_RX_EARLY 0x01 174 #define VR_CR1_TX_EARLY 0x02 175 #define VR_CR1_FULLDUPLEX 0x04 176 #define VR_CR1_TX_NOPOLL 0x08 177 178 #define VR_CR1_RESET 0x80 179 180 /* 181 * Interrupt status bits. 182 */ 183 #define VR_ISR_RX_OK 0x0001 /* packet rx ok */ 184 #define VR_ISR_TX_OK 0x0002 /* packet tx ok */ 185 #define VR_ISR_RX_ERR 0x0004 /* packet rx with err */ 186 #define VR_ISR_TX_ABRT 0x0008 /* tx aborted due to excess colls */ 187 #define VR_ISR_TX_UNDERRUN 0x0010 /* tx buffer underflow */ 188 #define VR_ISR_RX_NOBUF 0x0020 /* no rx buffer available */ 189 #define VR_ISR_BUSERR 0x0040 /* PCI bus error */ 190 #define VR_ISR_STATSOFLOW 0x0080 /* stats counter oflow */ 191 #define VR_ISR_RX_EARLY 0x0100 /* rx early */ 192 #define VR_ISR_LINKSTAT 0x0200 /* MII status change */ 193 #define VR_ISR_ETI 0x0200 /* Tx early (3043/3071) */ 194 #define VR_ISR_UDFI 0x0200 /* Tx FIFO underflow (6102) */ 195 #define VR_ISR_RX_OFLOW 0x0400 /* rx FIFO overflow */ 196 #define VR_ISR_RX_DROPPED 0x0800 197 #define VR_ISR_RX_NOBUF2 0x1000 /* Rx descriptor running up */ 198 #define VR_ISR_TX_ABRT2 0x2000 199 #define VR_ISR_LINKSTAT2 0x4000 200 #define VR_ISR_MAGICPACKET 0x8000 201 202 #define VR_ISR_ERR_BITS "\20" \ 203 "\3RXERR\4TXABRT\5TXUNDERRUN" \ 204 "\6RXNOBUF\7BUSERR\10STATSOFLOW" \ 205 "\12TXUDF\13RXOFLOW\14RXDROPPED" \ 206 "\15RXNOBUF2\16TXABRT2" 207 /* 208 * Interrupt mask bits. 209 */ 210 #define VR_IMR_RX_OK 0x0001 /* packet rx ok */ 211 #define VR_IMR_TX_OK 0x0002 /* packet tx ok */ 212 #define VR_IMR_RX_ERR 0x0004 /* packet rx with err */ 213 #define VR_IMR_TX_ABRT 0x0008 /* tx aborted due to excess colls */ 214 #define VR_IMR_TX_UNDERRUN 0x0010 /* tx buffer underflow */ 215 #define VR_IMR_RX_NOBUF 0x0020 /* no rx buffer available */ 216 #define VR_IMR_BUSERR 0x0040 /* PCI bus error */ 217 #define VR_IMR_STATSOFLOW 0x0080 /* stats counter oflow */ 218 #define VR_IMR_RX_EARLY 0x0100 /* rx early */ 219 #define VR_IMR_LINKSTAT 0x0200 /* MII status change */ 220 #define VR_IMR_RX_OFLOW 0x0400 /* rx FIFO overflow */ 221 #define VR_IMR_RX_DROPPED 0x0800 222 #define VR_IMR_RX_NOBUF2 0x1000 223 #define VR_IMR_TX_ABRT2 0x2000 224 #define VR_IMR_LINKSTAT2 0x4000 225 #define VR_IMR_MAGICPACKET 0x8000 226 227 #define VR_INTRS \ 228 (VR_IMR_RX_OK|VR_IMR_TX_OK|VR_IMR_RX_NOBUF| \ 229 VR_IMR_TX_ABRT|VR_IMR_TX_UNDERRUN|VR_IMR_BUSERR| \ 230 VR_IMR_RX_ERR|VR_ISR_RX_DROPPED) 231 232 /* 233 * MII status register. 234 */ 235 236 #define VR_MIISTAT_SPEED 0x01 237 #define VR_MIISTAT_LINKFAULT 0x02 238 #define VR_MIISTAT_MGTREADERR 0x04 239 #define VR_MIISTAT_MIIERR 0x08 240 #define VR_MIISTAT_PHYOPT 0x10 241 #define VR_MIISTAT_MDC_SPEED 0x20 242 #define VR_MIISTAT_RSVD 0x40 243 #define VR_MIISTAT_GPIO1POLL 0x80 244 245 /* 246 * MII command register bits. 247 */ 248 #define VR_MIICMD_CLK 0x01 249 #define VR_MIICMD_DATAOUT 0x02 250 #define VR_MIICMD_DATAIN 0x04 251 #define VR_MIICMD_DIR 0x08 252 #define VR_MIICMD_DIRECTPGM 0x10 253 #define VR_MIICMD_WRITE_ENB 0x20 254 #define VR_MIICMD_READ_ENB 0x40 255 #define VR_MIICMD_AUTOPOLL 0x80 256 257 /* 258 * EEPROM control bits. 259 */ 260 #define VR_EECSR_DATAIN 0x01 /* data out */ 261 #define VR_EECSR_DATAOUT 0x02 /* data in */ 262 #define VR_EECSR_CLK 0x04 /* clock */ 263 #define VR_EECSR_CS 0x08 /* chip select */ 264 #define VR_EECSR_DPM 0x10 265 #define VR_EECSR_LOAD 0x20 266 #define VR_EECSR_EMBP 0x40 267 #define VR_EECSR_EEPR 0x80 268 269 #define VR_EECMD_WRITE 0x140 270 #define VR_EECMD_READ 0x180 271 #define VR_EECMD_ERASE 0x1c0 272 273 /* 274 * Test register bits. 275 */ 276 #define VR_TEST_TEST0 0x01 277 #define VR_TEST_TEST1 0x02 278 #define VR_TEST_TEST2 0x04 279 #define VR_TEST_TSTUD 0x08 280 #define VR_TEST_TSTOV 0x10 281 #define VR_TEST_BKOFF 0x20 282 #define VR_TEST_FCOL 0x40 283 #define VR_TEST_HBDES 0x80 284 285 /* 286 * Config A register bits. 287 */ 288 #define VR_CFG_GPIO2OUTENB 0x01 289 #define VR_CFG_GPIO2OUT 0x02 /* gen. purp. pin */ 290 #define VR_CFG_GPIO2IN 0x04 /* gen. purp. pin */ 291 #define VR_CFG_AUTOOPT 0x08 /* enable rx/tx autopoll */ 292 #define VR_CFG_MIIOPT 0x10 293 #define VR_CFG_MMIENB 0x20 /* memory mapped mode enb */ 294 #define VR_CFG_JUMPER 0x40 /* PHY and oper. mode select */ 295 #define VR_CFG_EELOAD 0x80 /* enable EEPROM programming */ 296 297 /* 298 * Config B register bits. 299 */ 300 #define VR_CFG_LATMENB 0x01 /* larency timer effect enb. */ 301 #define VR_CFG_MRREADWAIT 0x02 302 #define VR_CFG_MRWRITEWAIT 0x04 303 #define VR_CFG_RX_ARB 0x08 304 #define VR_CFG_TX_ARB 0x10 305 #define VR_CFG_READMULTI 0x20 306 #define VR_CFG_TX_PACE 0x40 307 #define VR_CFG_TX_QDIS 0x80 308 309 /* 310 * Config C register bits. 311 */ 312 #define VR_CFG_ROMSEL0 0x01 313 #define VR_CFG_ROMSEL1 0x02 314 #define VR_CFG_ROMSEL2 0x04 315 #define VR_CFG_ROMTIMESEL 0x08 316 #define VR_CFG_RSVD0 0x10 317 #define VR_CFG_ROMDLY 0x20 318 #define VR_CFG_ROMOPT 0x40 319 #define VR_CFG_RSVD1 0x80 320 321 /* 322 * Config D register bits. 323 */ 324 #define VR_CFG_BACKOFFOPT 0x01 325 #define VR_CFG_BACKOFFMOD 0x02 326 #define VR_CFG_CAPEFFECT 0x04 327 #define VR_CFG_BACKOFFRAND 0x08 328 #define VR_CFG_MAGICKPACKET 0x10 329 #define VR_CFG_PCIREADLINE 0x20 330 #define VR_CFG_DIAG 0x40 331 #define VR_CFG_GPIOEN 0x80 332 333 /* Sticky HW bits */ 334 #define VR_STICKHW_DS0 0x01 335 #define VR_STICKHW_DS1 0x02 336 #define VR_STICKHW_WOL_ENB 0x04 337 #define VR_STICKHW_WOL_STS 0x08 338 #define VR_STICKHW_LEGWOL_ENB 0x80 339 340 /* 341 * BCR0 register bits. (At least for the VT6102 chip.) 342 */ 343 #define VR_BCR0_DMA_LENGTH 0x07 344 345 #define VR_BCR0_DMA_32BYTES 0x00 346 #define VR_BCR0_DMA_64BYTES 0x01 347 #define VR_BCR0_DMA_128BYTES 0x02 348 #define VR_BCR0_DMA_256BYTES 0x03 349 #define VR_BCR0_DMA_512BYTES 0x04 350 #define VR_BCR0_DMA_1024BYTES 0x05 351 #define VR_BCR0_DMA_STORENFWD 0x07 352 353 #define VR_BCR0_RX_THRESH 0x38 354 355 #define VR_BCR0_RXTHRESHCFG 0x00 356 #define VR_BCR0_RXTHRESH64BYTES 0x08 357 #define VR_BCR0_RXTHRESH128BYTES 0x10 358 #define VR_BCR0_RXTHRESH256BYTES 0x18 359 #define VR_BCR0_RXTHRESH512BYTES 0x20 360 #define VR_BCR0_RXTHRESH1024BYTES 0x28 361 #define VR_BCR0_RXTHRESHSTORENFWD 0x38 362 #define VR_BCR0_EXTLED 0x40 363 #define VR_BCR0_MED2 0x80 364 365 /* 366 * BCR1 register bits. (At least for the VT6102 chip.) 367 */ 368 #define VR_BCR1_POT0 0x01 369 #define VR_BCR1_POT1 0x02 370 #define VR_BCR1_POT2 0x04 371 #define VR_BCR1_TX_THRESH 0x38 372 #define VR_BCR1_TXTHRESHCFG 0x00 373 #define VR_BCR1_TXTHRESH64BYTES 0x08 374 #define VR_BCR1_TXTHRESH128BYTES 0x10 375 #define VR_BCR1_TXTHRESH256BYTES 0x18 376 #define VR_BCR1_TXTHRESH512BYTES 0x20 377 #define VR_BCR1_TXTHRESH1024BYTES 0x28 378 #define VR_BCR1_TXTHRESHSTORENFWD 0x38 379 #define VR_BCR1_VLANFILT_ENB 0x80 /* VT6105M */ 380 381 /* 382 * CAMCTL register bits. (VT6105M only) 383 */ 384 #define VR_CAMCTL_ENA 0x01 385 #define VR_CAMCTL_VLAN 0x02 386 #define VR_CAMCTL_MCAST 0x00 387 #define VR_CAMCTL_WRITE 0x04 388 #define VR_CAMCTL_READ 0x08 389 390 #define VR_CAM_MCAST_CNT 32 391 #define VR_CAM_VLAN_CNT 32 392 393 /* 394 * FLOWCR1 register bits. (VT6105LOM, VT6105M only) 395 */ 396 #define VR_FLOWCR1_TXLO4 0x00 397 #define VR_FLOWCR1_TXLO8 0x40 398 #define VR_FLOWCR1_TXLO16 0x80 399 #define VR_FLOWCR1_TXLO24 0xC0 400 #define VR_FLOWCR1_TXHI24 0x00 401 #define VR_FLOWCR1_TXHI32 0x10 402 #define VR_FLOWCR1_TXHI48 0x20 403 #define VR_FLOWCR1_TXHI64 0x30 404 #define VR_FLOWCR1_XONXOFF 0x08 405 #define VR_FLOWCR1_TXPAUSE 0x04 406 #define VR_FLOWCR1_RXPAUSE 0x02 407 #define VR_FLOWCR1_HDX 0x01 408 409 /* 410 * WOLCR register bits. (VT6102 or higher only) 411 */ 412 #define VR_WOLCR_PATTERN0 0x01 413 #define VR_WOLCR_PATTERN1 0x02 414 #define VR_WOLCR_PATTERN2 0x04 415 #define VR_WOLCR_PATTERN3 0x08 416 #define VR_WOLCR_UCAST 0x10 417 #define VR_WOLCR_MAGIC 0x20 418 #define VR_WOLCR_LINKON 0x40 419 #define VR_WOLCR_LINKOFF 0x80 420 421 /* 422 * PWRCFG register bits. (VT6102 or higher only) 423 */ 424 #define VR_PWRCFG_WOLEN 0x01 425 #define VR_PWRCFG_WOLSR 0x02 426 #define VR_PWRCFG_LEGACY_WOL 0x10 427 #define VR_PWRCFG_WOLTYPE_PULSE 0x20 428 #define VR_PWRCFG_SMIITIME 0x80 429 430 /* 431 * WOLCFG register bits. (VT6102 or higher only) 432 */ 433 #define VR_WOLCFG_PATTERN_PAGE 0x04 /* VT6505 B0 */ 434 #define VR_WOLCFG_SMIIOPT 0x04 435 #define VR_WOLCFG_SMIIACC 0x08 436 #define VR_WOLCFG_SAB 0x10 437 #define VR_WOLCFG_SAM 0x20 438 #define VR_WOLCFG_SFDX 0x40 439 #define VR_WOLCFG_PMEOVR 0x80 440 441 /* 442 * Rhine TX/RX list structure. 443 */ 444 445 struct vr_desc { 446 uint32_t vr_status; 447 uint32_t vr_ctl; 448 uint32_t vr_data; 449 uint32_t vr_nextphys; 450 }; 451 452 #define VR_RXSTAT_RXERR 0x00000001 453 #define VR_RXSTAT_CRCERR 0x00000002 454 #define VR_RXSTAT_FRAMEALIGNERR 0x00000004 455 #define VR_RXSTAT_FIFOOFLOW 0x00000008 456 #define VR_RXSTAT_GIANT 0x00000010 457 #define VR_RXSTAT_RUNT 0x00000020 458 #define VR_RXSTAT_BUSERR 0x00000040 459 #define VR_RXSTAT_FRAG 0x00000040 /* 6105M */ 460 #define VR_RXSTAT_BUFFERR 0x00000080 461 #define VR_RXSTAT_LASTFRAG 0x00000100 462 #define VR_RXSTAT_FIRSTFRAG 0x00000200 463 #define VR_RXSTAT_RLINK 0x00000400 464 #define VR_RXSTAT_RX_PHYS 0x00000800 465 #define VR_RXSTAT_RX_BROAD 0x00001000 466 #define VR_RXSTAT_RX_MULTI 0x00002000 467 #define VR_RXSTAT_RX_VIDHIT 0x00004000 /* 6105M */ 468 #define VR_RXSTAT_RX_OK 0x00008000 469 #define VR_RXSTAT_RXLEN 0x07FF0000 470 #define VR_RXSTAT_RXLEN_EXT 0x78000000 471 #define VR_RXSTAT_OWN 0x80000000 472 473 #define VR_RXBYTES(x) ((x & VR_RXSTAT_RXLEN) >> 16) 474 #define VR_RXSTAT_ERR_BITS "\20" \ 475 "\1RXERR\2CRCERR\3FRAMEALIGN" \ 476 "\4FIFOOFLOW\5GIANT\6RUNT" \ 477 "\10BUFERR" 478 479 #define VR_RXCTL_BUFLEN 0x000007FF 480 #define VR_RXCTL_BUFLEN_EXT 0x00007800 481 #define VR_RXCTL_CHAIN 0x00008000 482 #define VR_RXCTL_TAG 0x00010000 483 #define VR_RXCTL_UDP 0x00020000 484 #define VR_RXCTL_TCP 0x00040000 485 #define VR_RXCTL_IP 0x00080000 486 #define VR_RXCTL_TCPUDPOK 0x00100000 487 #define VR_RXCTL_IPOK 0x00200000 488 #define VR_RXCTL_SNAPTAG 0x00400000 489 #define VR_RXCTL_RXLERR 0x00800000 /* 6105M */ 490 #define VR_RXCTL_RX_INTR 0x00800000 491 492 #define VR_RXCTL (VR_RXCTL_CHAIN|VR_RXCTL_RX_INTR) 493 494 #define VR_TXSTAT_DEFER 0x00000001 495 #define VR_TXSTAT_UNDERRUN 0x00000002 496 #define VR_TXSTAT_COLLCNT 0x00000078 497 #define VR_TXSTAT_SQE 0x00000080 498 #define VR_TXSTAT_ABRT 0x00000100 499 #define VR_TXSTAT_LATECOLL 0x00000200 500 #define VR_TXSTAT_CARRLOST 0x00000400 501 #define VR_TXSTAT_UDF 0x00000800 502 #define VR_TXSTAT_TBUFF 0x00001000 503 #define VR_TXSTAT_BUSERR 0x00002000 504 #define VR_TXSTAT_JABTIMEO 0x00004000 505 #define VR_TXSTAT_ERRSUM 0x00008000 506 #define VR_TXSTAT_OWN 0x80000000 507 508 #define VR_TXCTL_BUFLEN 0x000007FF 509 #define VR_TXCTL_BUFLEN_EXT 0x00007800 510 #define VR_TXCTL_TLINK 0x00008000 511 #define VR_TXCTL_NOCRC 0x00010000 512 #define VR_TXCTL_INSERTTAG 0x00020000 513 #define VR_TXCTL_IPCSUM 0x00040000 514 #define VR_TXCTL_UDPCSUM 0x00080000 515 #define VR_TXCTL_TCPCSUM 0x00100000 516 #define VR_TXCTL_FIRSTFRAG 0x00200000 517 #define VR_TXCTL_LASTFRAG 0x00400000 518 #define VR_TXCTL_FINT 0x00800000 519 520 #define VR_MIN_FRAMELEN 60 521 522 #define VR_FLAG_FORCEDELAY 1 523 #define VR_FLAG_SCHEDDELAY 2 524 #define VR_FLAG_DELAYTIMEO 3 525 526 #define VR_TIMEOUT 1000 527 #define VR_MII_TIMEOUT 10000 528 529 #define VR_PHYADDR_MASK 0x1f 530 531 /* 532 * General constants that are fun to know. 533 * 534 * VIA vendor ID 535 */ 536 #define VIA_VENDORID 0x1106 537 538 /* 539 * VIA Rhine device IDs. 540 */ 541 #define VIA_DEVICEID_RHINE 0x3043 542 #define VIA_DEVICEID_RHINE_II 0x6100 543 #define VIA_DEVICEID_RHINE_II_2 0x3065 544 #define VIA_DEVICEID_RHINE_III 0x3106 545 #define VIA_DEVICEID_RHINE_III_M 0x3053 546 547 /* 548 * Delta Electronics device ID. 549 */ 550 #define DELTA_VENDORID 0x1500 551 552 /* 553 * Delta device IDs. 554 */ 555 #define DELTA_DEVICEID_RHINE_II 0x1320 556 557 /* 558 * Addtron vendor ID. 559 */ 560 #define ADDTRON_VENDORID 0x4033 561 562 /* 563 * Addtron device IDs. 564 */ 565 #define ADDTRON_DEVICEID_RHINE_II 0x1320 566 567 /* 568 * VIA Rhine revision IDs 569 */ 570 571 #define REV_ID_VT3043_E 0x04 572 #define REV_ID_VT3071_A 0x20 573 #define REV_ID_VT3071_B 0x21 574 #define REV_ID_VT6102_A 0x40 575 #define REV_ID_VT6102_B 0x41 576 #define REV_ID_VT6102_C 0x42 577 #define REV_ID_VT6102_APOLLO 0x74 578 #define REV_ID_VT6105_A0 0x80 579 #define REV_ID_VT6105_B0 0x83 580 #define REV_ID_VT6105_LOM 0x8A 581 #define REV_ID_VT6107_A0 0x8C 582 #define REV_ID_VT6107_A1 0x8D 583 #define REV_ID_VT6105M_A0 0x90 584 #define REV_ID_VT6105M_B1 0x94 585 586 /* 587 * PCI low memory base and low I/O base register, and 588 * other PCI registers. 589 */ 590 591 #define VR_PCI_VENDOR_ID 0x00 592 #define VR_PCI_DEVICE_ID 0x02 593 #define VR_PCI_COMMAND 0x04 594 #define VR_PCI_STATUS 0x06 595 #define VR_PCI_REVID 0x08 596 #define VR_PCI_CLASSCODE 0x09 597 #define VR_PCI_LATENCY_TIMER 0x0D 598 #define VR_PCI_HEADER_TYPE 0x0E 599 #define VR_PCI_LOIO 0x10 600 #define VR_PCI_LOMEM 0x14 601 #define VR_PCI_BIOSROM 0x30 602 #define VR_PCI_INTLINE 0x3C 603 #define VR_PCI_INTPIN 0x3D 604 #define VR_PCI_MINGNT 0x3E 605 #define VR_PCI_MINLAT 0x0F 606 #define VR_PCI_RESETOPT 0x48 607 #define VR_PCI_EEPROM_DATA 0x4C 608 #define VR_PCI_MODE0 0x50 609 #define VR_PCI_MODE2 0x52 610 #define VR_PCI_MODE3 0x53 611 612 #define VR_MODE2_PCEROPT 0x80 /* VT6102 only */ 613 #define VR_MODE2_DISABT 0x40 614 #define VR_MODE2_MRDPL 0x08 /* VT6107A1 and above */ 615 #define VR_MODE2_MODE10T 0x02 616 617 #define VR_MODE3_XONOPT 0x80 618 #define VR_MODE3_TPACEN 0x40 619 #define VR_MODE3_BACKOPT 0x20 620 #define VR_MODE3_DLTSEL 0x10 621 #define VR_MODE3_MIIDMY 0x08 622 #define VR_MODE3_MIION 0x04 623 624 /* power management registers */ 625 #define VR_PCI_CAPID 0xDC /* 8 bits */ 626 #define VR_PCI_NEXTPTR 0xDD /* 8 bits */ 627 #define VR_PCI_PWRMGMTCAP 0xDE /* 16 bits */ 628 #define VR_PCI_PWRMGMTCTRL 0xE0 /* 16 bits */ 629 630 #define VR_PSTATE_MASK 0x0003 631 #define VR_PSTATE_D0 0x0000 632 #define VR_PSTATE_D1 0x0002 633 #define VR_PSTATE_D2 0x0002 634 #define VR_PSTATE_D3 0x0003 635 #define VR_PME_EN 0x0010 636 #define VR_PME_STATUS 0x8000 637 638 #define VR_RX_RING_CNT 128 639 #define VR_TX_RING_CNT 128 640 #define VR_TX_RING_SIZE sizeof(struct vr_desc) * VR_TX_RING_CNT 641 #define VR_RX_RING_SIZE sizeof(struct vr_desc) * VR_RX_RING_CNT 642 #define VR_RING_ALIGN sizeof(struct vr_desc) 643 #define VR_RX_ALIGN sizeof(uint32_t) 644 #define VR_MAXFRAGS 8 645 #define VR_TX_INTR_THRESH 8 646 647 #define VR_ADDR_LO(x) ((uint64_t)(x) & 0xffffffff) 648 #define VR_ADDR_HI(x) ((uint64_t)(x) >> 32) 649 #define VR_TX_RING_ADDR(sc, i) \ 650 ((sc)->vr_rdata.vr_tx_ring_paddr + sizeof(struct vr_desc) * (i)) 651 #define VR_RX_RING_ADDR(sc, i) \ 652 ((sc)->vr_rdata.vr_rx_ring_paddr + sizeof(struct vr_desc) * (i)) 653 #define VR_INC(x,y) (x) = (((x) + 1) % y) 654 655 struct vr_txdesc { 656 struct mbuf *tx_m; 657 bus_dmamap_t tx_dmamap; 658 }; 659 660 struct vr_rxdesc { 661 struct mbuf *rx_m; 662 bus_dmamap_t rx_dmamap; 663 struct vr_desc *desc; 664 }; 665 666 struct vr_chain_data { 667 bus_dma_tag_t vr_parent_tag; 668 bus_dma_tag_t vr_tx_tag; 669 struct vr_txdesc vr_txdesc[VR_TX_RING_CNT]; 670 bus_dma_tag_t vr_rx_tag; 671 struct vr_rxdesc vr_rxdesc[VR_RX_RING_CNT]; 672 bus_dma_tag_t vr_tx_ring_tag; 673 bus_dma_tag_t vr_rx_ring_tag; 674 bus_dmamap_t vr_tx_ring_map; 675 bus_dmamap_t vr_rx_ring_map; 676 bus_dmamap_t vr_rx_sparemap; 677 int vr_tx_pkts; 678 int vr_tx_prod; 679 int vr_tx_cons; 680 int vr_tx_cnt; 681 int vr_rx_cons; 682 }; 683 684 struct vr_ring_data { 685 struct vr_desc *vr_rx_ring; 686 struct vr_desc *vr_tx_ring; 687 bus_addr_t vr_rx_ring_paddr; 688 bus_addr_t vr_tx_ring_paddr; 689 }; 690 691 struct vr_statistics { 692 uint64_t tx_ok; 693 uint64_t rx_ok; 694 uint32_t tx_errors; 695 uint32_t rx_errors; 696 uint32_t rx_no_buffers; 697 uint32_t rx_no_mbufs; 698 uint32_t rx_crc_errors; 699 uint32_t rx_alignment; 700 uint32_t rx_fifo_overflows; 701 uint32_t rx_giants; 702 uint32_t rx_runts; 703 uint32_t tx_abort; 704 uint32_t tx_collisions; 705 uint32_t tx_late_collisions; 706 uint32_t tx_underrun; 707 uint32_t bus_errors; 708 uint32_t num_restart; 709 }; 710 711 struct vr_softc { 712 if_t vr_ifp; /* interface info */ 713 device_t vr_dev; 714 struct resource *vr_res; 715 int vr_res_id; 716 int vr_res_type; 717 struct resource *vr_irq; 718 void *vr_intrhand; 719 device_t vr_miibus; 720 uint8_t vr_revid; /* Rhine chip revision */ 721 int vr_flags; /* See VR_F_* below */ 722 #define VR_F_RESTART 0x0001 /* Restart unit on next tick */ 723 #define VR_F_TXPAUSE 0x0010 724 #define VR_F_SUSPENDED 0x2000 725 #define VR_F_DETACHED 0x4000 726 #define VR_F_LINK 0x8000 727 int vr_if_flags; 728 struct vr_chain_data vr_cdata; 729 struct vr_ring_data vr_rdata; 730 struct vr_statistics vr_stat; 731 struct callout vr_stat_callout; 732 struct mtx vr_mtx; 733 int vr_quirks; 734 int vr_watchdog_timer; 735 int vr_txthresh; 736 #ifdef DEVICE_POLLING 737 int rxcycles; 738 #endif 739 struct task vr_inttask; 740 }; 741 742 #define VR_LOCK(_sc) mtx_lock(&(_sc)->vr_mtx) 743 #define VR_UNLOCK(_sc) mtx_unlock(&(_sc)->vr_mtx) 744 #define VR_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->vr_mtx, MA_OWNED) 745 746 /* 747 * register space access macros 748 */ 749 #define CSR_WRITE_4(sc, reg, val) bus_write_4(sc->vr_res, reg, val) 750 #define CSR_WRITE_2(sc, reg, val) bus_write_2(sc->vr_res, reg, val) 751 #define CSR_WRITE_1(sc, reg, val) bus_write_1(sc->vr_res, reg, val) 752 753 #define CSR_READ_2(sc, reg) bus_read_2(sc->vr_res, reg) 754 #define CSR_READ_1(sc, reg) bus_read_1(sc->vr_res, reg) 755 756 #define VR_SETBIT(sc, reg, x) CSR_WRITE_1(sc, reg, CSR_READ_1(sc, reg) | (x)) 757 #define VR_CLRBIT(sc, reg, x) CSR_WRITE_1(sc, reg, CSR_READ_1(sc, reg) & ~(x)) 758 759 #define VR_SETBIT16(sc, reg, x) CSR_WRITE_2(sc, reg, CSR_READ_2(sc, reg) | (x)) 760 #define VR_CLRBIT16(sc, reg, x) CSR_WRITE_2(sc, reg, CSR_READ_2(sc, reg) & ~(x)) 761 762 #define VR_MCAST_CAM 0 763 #define VR_VLAN_CAM 1 764