1 /* 2 * Copyright (c) 1995, David Greenman 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 unmodified, this list of conditions, and the following 10 * 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 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD$ 28 */ 29 30 #define FXP_VENDORID_INTEL 0x8086 31 #define FXP_DEVICEID_i82557 0x1229 /* 82557 - 82559 "classic" */ 32 #define FXP_DEVICEID_i82559 0x1030 /* New 82559 device id.. */ 33 34 #define FXP_PCI_MMBA 0x10 35 #define FXP_PCI_IOBA 0x14 36 37 /* 38 * Control/status registers. 39 */ 40 #define FXP_CSR_SCB_RUSCUS 0 /* scb_rus/scb_cus (1 byte) */ 41 #define FXP_CSR_SCB_STATACK 1 /* scb_statack (1 byte) */ 42 #define FXP_CSR_SCB_COMMAND 2 /* scb_command (1 byte) */ 43 #define FXP_CSR_SCB_INTRCNTL 3 /* scb_intrcntl (1 byte) */ 44 #define FXP_CSR_SCB_GENERAL 4 /* scb_general (4 bytes) */ 45 #define FXP_CSR_PORT 8 /* port (4 bytes) */ 46 #define FXP_CSR_FLASHCONTROL 12 /* flash control (2 bytes) */ 47 #define FXP_CSR_EEPROMCONTROL 14 /* eeprom control (2 bytes) */ 48 #define FXP_CSR_MDICONTROL 16 /* mdi control (4 bytes) */ 49 50 /* 51 * FOR REFERENCE ONLY, the old definition of FXP_CSR_SCB_RUSCUS: 52 * 53 * volatile u_int8_t :2, 54 * scb_rus:4, 55 * scb_cus:2; 56 */ 57 58 #define FXP_PORT_SOFTWARE_RESET 0 59 #define FXP_PORT_SELFTEST 1 60 #define FXP_PORT_SELECTIVE_RESET 2 61 #define FXP_PORT_DUMP 3 62 63 #define FXP_SCB_RUS_IDLE 0 64 #define FXP_SCB_RUS_SUSPENDED 1 65 #define FXP_SCB_RUS_NORESOURCES 2 66 #define FXP_SCB_RUS_READY 4 67 #define FXP_SCB_RUS_SUSP_NORBDS 9 68 #define FXP_SCB_RUS_NORES_NORBDS 10 69 #define FXP_SCB_RUS_READY_NORBDS 12 70 71 #define FXP_SCB_CUS_IDLE 0 72 #define FXP_SCB_CUS_SUSPENDED 1 73 #define FXP_SCB_CUS_ACTIVE 2 74 75 #define FXP_SCB_STATACK_SWI 0x04 76 #define FXP_SCB_STATACK_MDI 0x08 77 #define FXP_SCB_STATACK_RNR 0x10 78 #define FXP_SCB_STATACK_CNA 0x20 79 #define FXP_SCB_STATACK_FR 0x40 80 #define FXP_SCB_STATACK_CXTNO 0x80 81 82 #define FXP_SCB_COMMAND_CU_NOP 0x00 83 #define FXP_SCB_COMMAND_CU_START 0x10 84 #define FXP_SCB_COMMAND_CU_RESUME 0x20 85 #define FXP_SCB_COMMAND_CU_DUMP_ADR 0x40 86 #define FXP_SCB_COMMAND_CU_DUMP 0x50 87 #define FXP_SCB_COMMAND_CU_BASE 0x60 88 #define FXP_SCB_COMMAND_CU_DUMPRESET 0x70 89 90 #define FXP_SCB_COMMAND_RU_NOP 0 91 #define FXP_SCB_COMMAND_RU_START 1 92 #define FXP_SCB_COMMAND_RU_RESUME 2 93 #define FXP_SCB_COMMAND_RU_ABORT 4 94 #define FXP_SCB_COMMAND_RU_LOADHDS 5 95 #define FXP_SCB_COMMAND_RU_BASE 6 96 #define FXP_SCB_COMMAND_RU_RBDRESUME 7 97 98 /* 99 * Command block definitions 100 */ 101 struct fxp_cb_nop { 102 void *fill[2]; 103 volatile u_int16_t cb_status; 104 volatile u_int16_t cb_command; 105 volatile u_int32_t link_addr; 106 }; 107 struct fxp_cb_ias { 108 void *fill[2]; 109 volatile u_int16_t cb_status; 110 volatile u_int16_t cb_command; 111 volatile u_int32_t link_addr; 112 volatile u_int8_t macaddr[6]; 113 }; 114 /* I hate bit-fields :-( */ 115 struct fxp_cb_config { 116 void *fill[2]; 117 volatile u_int16_t cb_status; 118 volatile u_int16_t cb_command; 119 volatile u_int32_t link_addr; 120 volatile u_int byte_count:6, 121 :2; 122 volatile u_int rx_fifo_limit:4, 123 tx_fifo_limit:3, 124 :1; 125 volatile u_int8_t adaptive_ifs; 126 volatile u_int :8; 127 volatile u_int rx_dma_bytecount:7, 128 :1; 129 volatile u_int tx_dma_bytecount:7, 130 dma_bce:1; 131 volatile u_int late_scb:1, 132 :1, 133 tno_int:1, 134 ci_int:1, 135 :3, 136 save_bf:1; 137 volatile u_int disc_short_rx:1, 138 underrun_retry:2, 139 :5; 140 volatile u_int mediatype:1, 141 :7; 142 volatile u_int :8; 143 volatile u_int :3, 144 nsai:1, 145 preamble_length:2, 146 loopback:2; 147 volatile u_int linear_priority:3, 148 :5; 149 volatile u_int linear_pri_mode:1, 150 :3, 151 interfrm_spacing:4; 152 volatile u_int :8; 153 volatile u_int :8; 154 volatile u_int promiscuous:1, 155 bcast_disable:1, 156 :5, 157 crscdt:1; 158 volatile u_int :8; 159 volatile u_int :8; 160 volatile u_int stripping:1, 161 padding:1, 162 rcv_crc_xfer:1, 163 :5; 164 volatile u_int :6, 165 force_fdx:1, 166 fdx_pin_en:1; 167 volatile u_int :6, 168 multi_ia:1, 169 :1; 170 volatile u_int :3, 171 mc_all:1, 172 :4; 173 }; 174 175 #define MAXMCADDR 80 176 struct fxp_cb_mcs { 177 struct fxp_cb_tx *next; 178 struct mbuf *mb_head; 179 volatile u_int16_t cb_status; 180 volatile u_int16_t cb_command; 181 volatile u_int32_t link_addr; 182 volatile u_int16_t mc_cnt; 183 volatile u_int8_t mc_addr[MAXMCADDR][6]; 184 }; 185 186 /* 187 * Number of DMA segments in a TxCB. Note that this is carefully 188 * chosen to make the total struct size an even power of two. It's 189 * critical that no TxCB be split across a page boundry since 190 * no attempt is made to allocate physically contiguous memory. 191 * 192 */ 193 #ifdef __alpha__ /* XXX - should be conditional on pointer size */ 194 #define FXP_NTXSEG 28 195 #else 196 #define FXP_NTXSEG 29 197 #endif 198 199 struct fxp_tbd { 200 volatile u_int32_t tb_addr; 201 volatile u_int32_t tb_size; 202 }; 203 struct fxp_cb_tx { 204 struct fxp_cb_tx *next; 205 struct mbuf *mb_head; 206 volatile u_int16_t cb_status; 207 volatile u_int16_t cb_command; 208 volatile u_int32_t link_addr; 209 volatile u_int32_t tbd_array_addr; 210 volatile u_int16_t byte_count; 211 volatile u_int8_t tx_threshold; 212 volatile u_int8_t tbd_number; 213 /* 214 * The following isn't actually part of the TxCB. 215 */ 216 volatile struct fxp_tbd tbd[FXP_NTXSEG]; 217 }; 218 219 /* 220 * Control Block (CB) definitions 221 */ 222 223 /* status */ 224 #define FXP_CB_STATUS_OK 0x2000 225 #define FXP_CB_STATUS_C 0x8000 226 /* commands */ 227 #define FXP_CB_COMMAND_NOP 0x0 228 #define FXP_CB_COMMAND_IAS 0x1 229 #define FXP_CB_COMMAND_CONFIG 0x2 230 #define FXP_CB_COMMAND_MCAS 0x3 231 #define FXP_CB_COMMAND_XMIT 0x4 232 #define FXP_CB_COMMAND_RESRV 0x5 233 #define FXP_CB_COMMAND_DUMP 0x6 234 #define FXP_CB_COMMAND_DIAG 0x7 235 /* command flags */ 236 #define FXP_CB_COMMAND_SF 0x0008 /* simple/flexible mode */ 237 #define FXP_CB_COMMAND_I 0x2000 /* generate interrupt on completion */ 238 #define FXP_CB_COMMAND_S 0x4000 /* suspend on completion */ 239 #define FXP_CB_COMMAND_EL 0x8000 /* end of list */ 240 241 /* 242 * RFA definitions 243 */ 244 245 struct fxp_rfa { 246 volatile u_int16_t rfa_status; 247 volatile u_int16_t rfa_control; 248 volatile u_int8_t link_addr[4]; 249 volatile u_int8_t rbd_addr[4]; 250 volatile u_int16_t actual_size; 251 volatile u_int16_t size; 252 }; 253 #define FXP_RFA_STATUS_RCOL 0x0001 /* receive collision */ 254 #define FXP_RFA_STATUS_IAMATCH 0x0002 /* 0 = matches station address */ 255 #define FXP_RFA_STATUS_S4 0x0010 /* receive error from PHY */ 256 #define FXP_RFA_STATUS_TL 0x0020 /* type/length */ 257 #define FXP_RFA_STATUS_FTS 0x0080 /* frame too short */ 258 #define FXP_RFA_STATUS_OVERRUN 0x0100 /* DMA overrun */ 259 #define FXP_RFA_STATUS_RNR 0x0200 /* no resources */ 260 #define FXP_RFA_STATUS_ALIGN 0x0400 /* alignment error */ 261 #define FXP_RFA_STATUS_CRC 0x0800 /* CRC error */ 262 #define FXP_RFA_STATUS_OK 0x2000 /* packet received okay */ 263 #define FXP_RFA_STATUS_C 0x8000 /* packet reception complete */ 264 #define FXP_RFA_CONTROL_SF 0x08 /* simple/flexible memory mode */ 265 #define FXP_RFA_CONTROL_H 0x10 /* header RFD */ 266 #define FXP_RFA_CONTROL_S 0x4000 /* suspend after reception */ 267 #define FXP_RFA_CONTROL_EL 0x8000 /* end of list */ 268 269 /* 270 * Statistics dump area definitions 271 */ 272 struct fxp_stats { 273 volatile u_int32_t tx_good; 274 volatile u_int32_t tx_maxcols; 275 volatile u_int32_t tx_latecols; 276 volatile u_int32_t tx_underruns; 277 volatile u_int32_t tx_lostcrs; 278 volatile u_int32_t tx_deffered; 279 volatile u_int32_t tx_single_collisions; 280 volatile u_int32_t tx_multiple_collisions; 281 volatile u_int32_t tx_total_collisions; 282 volatile u_int32_t rx_good; 283 volatile u_int32_t rx_crc_errors; 284 volatile u_int32_t rx_alignment_errors; 285 volatile u_int32_t rx_rnr_errors; 286 volatile u_int32_t rx_overrun_errors; 287 volatile u_int32_t rx_cdt_errors; 288 volatile u_int32_t rx_shortframes; 289 volatile u_int32_t completion_status; 290 }; 291 #define FXP_STATS_DUMP_COMPLETE 0xa005 292 #define FXP_STATS_DR_COMPLETE 0xa007 293 294 /* 295 * Serial EEPROM control register bits 296 */ 297 /* shift clock */ 298 #define FXP_EEPROM_EESK 0x01 299 /* chip select */ 300 #define FXP_EEPROM_EECS 0x02 301 /* data in */ 302 #define FXP_EEPROM_EEDI 0x04 303 /* data out */ 304 #define FXP_EEPROM_EEDO 0x08 305 306 /* 307 * Serial EEPROM opcodes, including start bit 308 */ 309 #define FXP_EEPROM_OPC_ERASE 0x4 310 #define FXP_EEPROM_OPC_WRITE 0x5 311 #define FXP_EEPROM_OPC_READ 0x6 312 313 /* 314 * Management Data Interface opcodes 315 */ 316 #define FXP_MDI_WRITE 0x1 317 #define FXP_MDI_READ 0x2 318 319 /* 320 * PHY device types 321 */ 322 #define FXP_PHY_NONE 0 323 #define FXP_PHY_82553A 1 324 #define FXP_PHY_82553C 2 325 #define FXP_PHY_82503 3 326 #define FXP_PHY_DP83840 4 327 #define FXP_PHY_80C240 5 328 #define FXP_PHY_80C24 6 329 #define FXP_PHY_82555 7 330 #define FXP_PHY_DP83840A 10 331 #define FXP_PHY_82555B 11 332 333 /* 334 * PHY BMCR Basic Mode Control Register 335 * Should probably be in i82555.h or dp83840.h (Intel/National names). 336 * (Called "Management Data Interface Control Reg" in some Intel data books). 337 * (*) indicates bit ignored in auto negotiation mode. 338 */ 339 #define FXP_PHY_BMCR 0x0 340 #define FXP_PHY_BMCR_COLTEST 0x0080 /* not on Intel parts */ 341 #define FXP_PHY_BMCR_FULLDUPLEX 0x0100 /* 1 = Fullduplex (*) */ 342 #define FXP_PHY_BMCR_RESTART_NEG 0x0200 /* ==> 1 to restart autoneg */ 343 #define FXP_PHY_BMCR_ISOLATE 0x0400 /* not on Intel parts */ 344 #define FXP_PHY_BMCR_POWERDOWN 0x0800 /* 1 = low power mode */ 345 #define FXP_PHY_BMCR_AUTOEN 0x1000 /* 1 = for auto mode */ 346 #define FXP_PHY_BMCR_SPEED_100M 0x2000 /* 1 = for 100Mb/sec (*) */ 347 #define FXP_PHY_BMCR_LOOPBACK 0x4000 /* 1 = loopback at the PHY */ 348 #define FXP_PHY_BMCR_RESET 0x8000 /* ==> 1 sets to defaults */ 349 350 /* 351 * Basic Mode Status Register (National name) 352 * Management Data Interface Status reg. (Intel name) 353 * in both Intel and National parts. 354 */ 355 #define FXP_PHY_STS 0x1 356 #define FXP_PHY_STS_EXND 0x0001 /* Extended regs enabled */ 357 #define FXP_PHY_STS_JABR 0x0002 /* Jabber detected */ 358 #define FXP_PHY_STS_LINK_STS 0x0004 /* Link valid */ 359 #define FXP_PHY_STS_CAN_AUTO 0x0008 /* Auto detection available */ 360 #define FXP_PHY_STS_REMT_FAULT 0x0010 /* remote fault detected */ 361 #define FXP_PHY_STS_AUTO_DONE 0x0020 /* auto negotiation completed */ 362 #define FXP_PHY_STS_MGMT_PREAMBLE 0x0040 /* real complicated */ 363 #define FXP_PHY_STS_10HDX_OK 0x0800 /* can do 10Mb HDX */ 364 #define FXP_PHY_STS_10FDX_OK 0x1000 /* can do 10Mb FDX */ 365 #define FXP_PHY_STS_100HDX_OK 0x2000 /* can do 100Mb HDX */ 366 #define FXP_PHY_STS_100FDX_OK 0x4000 /* can do 100Mb FDX */ 367 #define FXP_PHY_STS_100T4_OK 0x8000 /* can do 100bT4 -not Intel */ 368 369 /* 370 * More Phy regs 371 */ 372 #define FXP_PHY_ID1 0x2 373 #define FXP_PHY_ID2 0x3 374 375 /* 376 * MDI Auto negotiation advertisement register. 377 * What we advertise we can do.. 378 * The same bits are used to indicate the response too. 379 */ 380 #define FXP_PHY_ADVRT 0x4 381 #define FXP_PHY_RMT_ADVRT 0x5 /* what the other end said */ 382 #define FXP_PHY_ADVRT_SELECT 0x001F /* real complicated */ 383 #define FXP_PHY_ADVRT_TECH_AVAIL 0x1FE0 /* can do 10Mb HDX */ 384 #define FXP_PHY_ADVRT_RMT_FAULT 0x2000 /* can do 10Mb FDX */ 385 #define FXP_PHY_ADVRT_ACK 0x4000 /* Acked */ 386 #define FXP_PHY_ADVRT_NXT_PAGE 0x8000 /* can do 100Mb FDX */ 387 388 /* 389 * Phy Unit Status and Control Register (another one) 390 * This is not in the National part! 391 */ 392 #define FXP_PHY_USC 0x10 393 #define FXP_PHY_USC_DUPLEX 0x0001 /* in FDX mode */ 394 #define FXP_PHY_USC_SPEED 0x0002 /* 1 = in 100Mb mode */ 395 #define FXP_PHY_USC_POLARITY 0x0100 /* 1 = reverse polarity */ 396 #define FXP_PHY_USC_10_PWRDOWN 0x0200 /* 10Mb PHY powered down */ 397 #define FXP_PHY_USC_100_PWRDOWN 0x0400 /* 100Mb PHY powered down */ 398 #define FXP_PHY_USC_INSYNC 0x0800 /* 100Mb PHY is in sync */ 399 #define FXP_PHY_USC_TX_FLOWCNTRL 0x1000 /* TX FC mode in use */ 400 #define FXP_PHY_USC_PHY_FLOWCNTRL 0x8000 /* PHY FC mode in use */ 401 402 403 /* 404 * DP83830 PHY, PCS Configuration Register 405 * NOT compatible with Intel parts, 406 * (where it is the 100BTX premature eof counter). 407 */ 408 #define FXP_DP83840_PCR 0x17 409 #define FXP_DP83840_PCR_LED4_MODE 0x0002 /* 1 = LED4 always = FDX */ 410 #define FXP_DP83840_PCR_F_CONNECT 0x0020 /* 1 = link disconnect bypass */ 411 #define FXP_DP83840_PCR_BIT8 0x0100 412 #define FXP_DP83840_PCR_BIT10 0x0400 413 414 /* 415 * DP83830 PHY, Address/status Register 416 * NOT compatible with Intel parts, 417 * (where it is the 10BT jabber detect counter). 418 */ 419 #define FXP_DP83840_PAR 0x19 420 #define FXP_DP83840_PAR_PHYADDR 0x1F 421 #define FXP_DP83840_PAR_CON_STATUS 0x20 422 #define FXP_DP83840_PAR_SPEED_10 0x40 /* 1 == running at 10 Mb/Sec */ 423 424