1 /* 2 * Copyright (c) 1995, David Greenman 3 * Copyright (c) 2001 Jonathan Lemon <jlemon@freebsd.org> 4 * 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 unmodified, this list of conditions, and the following 11 * 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #define FXP_VENDORID_INTEL 0x8086 32 33 #define FXP_PCI_MMBA 0x10 34 #define FXP_PCI_IOBA 0x14 35 36 /* 37 * Control/status registers. 38 */ 39 #define FXP_CSR_SCB_RUSCUS 0 /* scb_rus/scb_cus (1 byte) */ 40 #define FXP_CSR_SCB_STATACK 1 /* scb_statack (1 byte) */ 41 #define FXP_CSR_SCB_COMMAND 2 /* scb_command (1 byte) */ 42 #define FXP_CSR_SCB_INTRCNTL 3 /* scb_intrcntl (1 byte) */ 43 #define FXP_CSR_SCB_GENERAL 4 /* scb_general (4 bytes) */ 44 #define FXP_CSR_PORT 8 /* port (4 bytes) */ 45 #define FXP_CSR_FLASHCONTROL 12 /* flash control (2 bytes) */ 46 #define FXP_CSR_EEPROMCONTROL 14 /* eeprom control (2 bytes) */ 47 #define FXP_CSR_MDICONTROL 16 /* mdi control (4 bytes) */ 48 #define FXP_CSR_FLOWCONTROL 0x19 /* flow control (2 bytes) */ 49 #define FXP_CSR_GENCONTROL 0x1C /* general control (1 byte) */ 50 51 /* 52 * FOR REFERENCE ONLY, the old definition of FXP_CSR_SCB_RUSCUS: 53 * 54 * volatile u_int8_t :2, 55 * scb_rus:4, 56 * scb_cus:2; 57 */ 58 59 #define FXP_PORT_SOFTWARE_RESET 0 60 #define FXP_PORT_SELFTEST 1 61 #define FXP_PORT_SELECTIVE_RESET 2 62 #define FXP_PORT_DUMP 3 63 64 #define FXP_SCB_RUS_IDLE 0 65 #define FXP_SCB_RUS_SUSPENDED 1 66 #define FXP_SCB_RUS_NORESOURCES 2 67 #define FXP_SCB_RUS_READY 4 68 #define FXP_SCB_RUS_SUSP_NORBDS 9 69 #define FXP_SCB_RUS_NORES_NORBDS 10 70 #define FXP_SCB_RUS_READY_NORBDS 12 71 72 #define FXP_SCB_CUS_IDLE 0 73 #define FXP_SCB_CUS_SUSPENDED 1 74 #define FXP_SCB_CUS_ACTIVE 2 75 76 #define FXP_SCB_INTR_DISABLE 0x01 /* Disable all interrupts */ 77 #define FXP_SCB_INTR_SWI 0x02 /* Generate SWI */ 78 #define FXP_SCB_INTMASK_FCP 0x04 79 #define FXP_SCB_INTMASK_ER 0x08 80 #define FXP_SCB_INTMASK_RNR 0x10 81 #define FXP_SCB_INTMASK_CNA 0x20 82 #define FXP_SCB_INTMASK_FR 0x40 83 #define FXP_SCB_INTMASK_CXTNO 0x80 84 85 #define FXP_SCB_STATACK_FCP 0x01 /* Flow Control Pause */ 86 #define FXP_SCB_STATACK_ER 0x02 /* Early Receive */ 87 #define FXP_SCB_STATACK_SWI 0x04 88 #define FXP_SCB_STATACK_MDI 0x08 89 #define FXP_SCB_STATACK_RNR 0x10 90 #define FXP_SCB_STATACK_CNA 0x20 91 #define FXP_SCB_STATACK_FR 0x40 92 #define FXP_SCB_STATACK_CXTNO 0x80 93 94 #define FXP_SCB_COMMAND_CU_NOP 0x00 95 #define FXP_SCB_COMMAND_CU_START 0x10 96 #define FXP_SCB_COMMAND_CU_RESUME 0x20 97 #define FXP_SCB_COMMAND_CU_DUMP_ADR 0x40 98 #define FXP_SCB_COMMAND_CU_DUMP 0x50 99 #define FXP_SCB_COMMAND_CU_BASE 0x60 100 #define FXP_SCB_COMMAND_CU_DUMPRESET 0x70 101 102 #define FXP_SCB_COMMAND_RU_NOP 0 103 #define FXP_SCB_COMMAND_RU_START 1 104 #define FXP_SCB_COMMAND_RU_RESUME 2 105 #define FXP_SCB_COMMAND_RU_ABORT 4 106 #define FXP_SCB_COMMAND_RU_LOADHDS 5 107 #define FXP_SCB_COMMAND_RU_BASE 6 108 #define FXP_SCB_COMMAND_RU_RBDRESUME 7 109 110 /* 111 * Command block definitions 112 */ 113 struct fxp_cb_nop { 114 void *fill[2]; 115 volatile u_int16_t cb_status; 116 volatile u_int16_t cb_command; 117 volatile u_int32_t link_addr; 118 }; 119 struct fxp_cb_ias { 120 void *fill[2]; 121 volatile u_int16_t cb_status; 122 volatile u_int16_t cb_command; 123 volatile u_int32_t link_addr; 124 volatile u_int8_t macaddr[6]; 125 }; 126 /* I hate bit-fields :-( */ 127 struct fxp_cb_config { 128 void *fill[2]; 129 volatile u_int16_t cb_status; 130 volatile u_int16_t cb_command; 131 volatile u_int32_t link_addr; 132 volatile u_int byte_count:6, 133 :2; 134 volatile u_int rx_fifo_limit:4, 135 tx_fifo_limit:3, 136 :1; 137 volatile u_int8_t adaptive_ifs; 138 volatile u_int mwi_enable:1, /* 8,9 */ 139 type_enable:1, /* 8,9 */ 140 read_align_en:1, /* 8,9 */ 141 end_wr_on_cl:1, /* 8,9 */ 142 :4; 143 volatile u_int rx_dma_bytecount:7, 144 :1; 145 volatile u_int tx_dma_bytecount:7, 146 dma_mbce:1; 147 volatile u_int late_scb:1, /* 7 */ 148 direct_dma_dis:1, /* 8,9 */ 149 tno_int_or_tco_en:1, /* 7,9 */ 150 ci_int:1, 151 ext_txcb_dis:1, /* 8,9 */ 152 ext_stats_dis:1, /* 8,9 */ 153 keep_overrun_rx:1, 154 save_bf:1; 155 volatile u_int disc_short_rx:1, 156 underrun_retry:2, 157 :3, 158 two_frames:1, /* 8,9 */ 159 dyn_tbd:1; /* 8,9 */ 160 volatile u_int mediatype:1, /* 7 */ 161 :6, 162 csma_dis:1; /* 8,9 */ 163 volatile u_int tcp_udp_cksum:1, /* 9 */ 164 :3, 165 vlan_tco:1, /* 8,9 */ 166 link_wake_en:1, /* 8,9 */ 167 arp_wake_en:1, /* 8 */ 168 mc_wake_en:1; /* 8 */ 169 volatile u_int :3, 170 nsai:1, 171 preamble_length:2, 172 loopback:2; 173 volatile u_int linear_priority:3, /* 7 */ 174 :5; 175 volatile u_int linear_pri_mode:1, /* 7 */ 176 :3, 177 interfrm_spacing:4; 178 volatile u_int :8; 179 volatile u_int :8; 180 volatile u_int promiscuous:1, 181 bcast_disable:1, 182 wait_after_win:1, /* 8,9 */ 183 :1, 184 ignore_ul:1, /* 8,9 */ 185 crc16_en:1, /* 9 */ 186 :1, 187 crscdt:1; 188 volatile u_int fc_delay_lsb:8; /* 8,9 */ 189 volatile u_int fc_delay_msb:8; /* 8,9 */ 190 volatile u_int stripping:1, 191 padding:1, 192 rcv_crc_xfer:1, 193 long_rx_en:1, /* 8,9 */ 194 pri_fc_thresh:3, /* 8,9 */ 195 :1; 196 volatile u_int ia_wake_en:1, /* 8 */ 197 magic_pkt_dis:1, /* 8,9,!9ER */ 198 tx_fc_dis:1, /* 8,9 */ 199 rx_fc_restop:1, /* 8,9 */ 200 rx_fc_restart:1, /* 8,9 */ 201 fc_filter:1, /* 8,9 */ 202 force_fdx:1, 203 fdx_pin_en:1; 204 volatile u_int :5, 205 pri_fc_loc:1, /* 8,9 */ 206 multi_ia:1, 207 :1; 208 volatile u_int :3, 209 mc_all:1, 210 :4; 211 }; 212 213 #define MAXMCADDR 80 214 struct fxp_cb_mcs { 215 struct fxp_cb_tx *next; 216 struct mbuf *mb_head; 217 volatile u_int16_t cb_status; 218 volatile u_int16_t cb_command; 219 volatile u_int32_t link_addr; 220 volatile u_int16_t mc_cnt; 221 volatile u_int8_t mc_addr[MAXMCADDR][6]; 222 }; 223 224 #define MAXUCODESIZE 192 225 struct fxp_cb_ucode { 226 void *fill[2]; 227 u_int16_t cb_status; 228 u_int16_t cb_command; 229 u_int32_t link_addr; 230 u_int32_t ucode[MAXUCODESIZE]; 231 }; 232 233 /* 234 * Number of DMA segments in a TxCB. Note that this is carefully 235 * chosen to make the total struct size an even power of two. It's 236 * critical that no TxCB be split across a page boundry since 237 * no attempt is made to allocate physically contiguous memory. 238 */ 239 #define FXP_TXCB_FIXED 16 /* cb_status .. tbd_number */ 240 #define FXP_NTXSEG ((256 - (sizeof(void *) * 2) - FXP_TXCB_FIXED) / 8) 241 242 struct fxp_tbd { 243 volatile u_int32_t tb_addr; 244 volatile u_int32_t tb_size; 245 }; 246 struct fxp_cb_tx { 247 struct fxp_cb_tx *next; 248 struct mbuf *mb_head; 249 volatile u_int16_t cb_status; 250 volatile u_int16_t cb_command; 251 volatile u_int32_t link_addr; 252 volatile u_int32_t tbd_array_addr; 253 volatile u_int16_t byte_count; 254 volatile u_int8_t tx_threshold; 255 volatile u_int8_t tbd_number; 256 /* 257 * The following structure isn't actually part of the TxCB, 258 * unless the extended TxCB feature is being used. In this 259 * case, the first two elements of the structure below are 260 * fetched along with the TxCB. 261 */ 262 volatile struct fxp_tbd tbd[FXP_NTXSEG]; 263 }; 264 265 /* 266 * Control Block (CB) definitions 267 */ 268 269 /* status */ 270 #define FXP_CB_STATUS_OK 0x2000 271 #define FXP_CB_STATUS_C 0x8000 272 /* commands */ 273 #define FXP_CB_COMMAND_NOP 0x0 274 #define FXP_CB_COMMAND_IAS 0x1 275 #define FXP_CB_COMMAND_CONFIG 0x2 276 #define FXP_CB_COMMAND_MCAS 0x3 277 #define FXP_CB_COMMAND_XMIT 0x4 278 #define FXP_CB_COMMAND_UCODE 0x5 279 #define FXP_CB_COMMAND_DUMP 0x6 280 #define FXP_CB_COMMAND_DIAG 0x7 281 /* command flags */ 282 #define FXP_CB_COMMAND_SF 0x0008 /* simple/flexible mode */ 283 #define FXP_CB_COMMAND_I 0x2000 /* generate interrupt on completion */ 284 #define FXP_CB_COMMAND_S 0x4000 /* suspend on completion */ 285 #define FXP_CB_COMMAND_EL 0x8000 /* end of list */ 286 287 /* 288 * RFA definitions 289 */ 290 291 struct fxp_rfa { 292 volatile u_int16_t rfa_status; 293 volatile u_int16_t rfa_control; 294 volatile u_int8_t link_addr[4]; 295 volatile u_int8_t rbd_addr[4]; 296 volatile u_int16_t actual_size; 297 volatile u_int16_t size; 298 }; 299 #define FXP_RFA_STATUS_RCOL 0x0001 /* receive collision */ 300 #define FXP_RFA_STATUS_IAMATCH 0x0002 /* 0 = matches station address */ 301 #define FXP_RFA_STATUS_S4 0x0010 /* receive error from PHY */ 302 #define FXP_RFA_STATUS_TL 0x0020 /* type/length */ 303 #define FXP_RFA_STATUS_FTS 0x0080 /* frame too short */ 304 #define FXP_RFA_STATUS_OVERRUN 0x0100 /* DMA overrun */ 305 #define FXP_RFA_STATUS_RNR 0x0200 /* no resources */ 306 #define FXP_RFA_STATUS_ALIGN 0x0400 /* alignment error */ 307 #define FXP_RFA_STATUS_CRC 0x0800 /* CRC error */ 308 #define FXP_RFA_STATUS_OK 0x2000 /* packet received okay */ 309 #define FXP_RFA_STATUS_C 0x8000 /* packet reception complete */ 310 #define FXP_RFA_CONTROL_SF 0x08 /* simple/flexible memory mode */ 311 #define FXP_RFA_CONTROL_H 0x10 /* header RFD */ 312 #define FXP_RFA_CONTROL_S 0x4000 /* suspend after reception */ 313 #define FXP_RFA_CONTROL_EL 0x8000 /* end of list */ 314 315 /* 316 * Statistics dump area definitions 317 */ 318 struct fxp_stats { 319 volatile u_int32_t tx_good; 320 volatile u_int32_t tx_maxcols; 321 volatile u_int32_t tx_latecols; 322 volatile u_int32_t tx_underruns; 323 volatile u_int32_t tx_lostcrs; 324 volatile u_int32_t tx_deffered; 325 volatile u_int32_t tx_single_collisions; 326 volatile u_int32_t tx_multiple_collisions; 327 volatile u_int32_t tx_total_collisions; 328 volatile u_int32_t rx_good; 329 volatile u_int32_t rx_crc_errors; 330 volatile u_int32_t rx_alignment_errors; 331 volatile u_int32_t rx_rnr_errors; 332 volatile u_int32_t rx_overrun_errors; 333 volatile u_int32_t rx_cdt_errors; 334 volatile u_int32_t rx_shortframes; 335 volatile u_int32_t completion_status; 336 }; 337 #define FXP_STATS_DUMP_COMPLETE 0xa005 338 #define FXP_STATS_DR_COMPLETE 0xa007 339 340 /* 341 * Serial EEPROM control register bits 342 */ 343 #define FXP_EEPROM_EESK 0x01 /* shift clock */ 344 #define FXP_EEPROM_EECS 0x02 /* chip select */ 345 #define FXP_EEPROM_EEDI 0x04 /* data in */ 346 #define FXP_EEPROM_EEDO 0x08 /* data out */ 347 348 /* 349 * Serial EEPROM opcodes, including start bit 350 */ 351 #define FXP_EEPROM_OPC_ERASE 0x4 352 #define FXP_EEPROM_OPC_WRITE 0x5 353 #define FXP_EEPROM_OPC_READ 0x6 354 355 /* 356 * Management Data Interface opcodes 357 */ 358 #define FXP_MDI_WRITE 0x1 359 #define FXP_MDI_READ 0x2 360 361 /* 362 * PHY device types 363 */ 364 #define FXP_PHY_DEVICE_MASK 0x3f00 365 #define FXP_PHY_SERIAL_ONLY 0x8000 366 #define FXP_PHY_NONE 0 367 #define FXP_PHY_82553A 1 368 #define FXP_PHY_82553C 2 369 #define FXP_PHY_82503 3 370 #define FXP_PHY_DP83840 4 371 #define FXP_PHY_80C240 5 372 #define FXP_PHY_80C24 6 373 #define FXP_PHY_82555 7 374 #define FXP_PHY_DP83840A 10 375 #define FXP_PHY_82555B 11 376 377 /* 378 * Chip revision values. 379 */ 380 #define FXP_REV_82557 1 /* catchall 82557 chip type */ 381 #define FXP_REV_82558_A4 4 /* 82558 A4 stepping */ 382 #define FXP_REV_82558_B0 5 /* 82558 B0 stepping */ 383 #define FXP_REV_82559_A0 8 /* 82559 A0 stepping */ 384 #define FXP_REV_82559S_A 9 /* 82559S A stepping */ 385 #define FXP_REV_82550 12 386 #define FXP_REV_82550_C 13 /* 82550 C stepping */ 387