1 /*- 2 * Copyright (c) 1993 Herb Peyerl (hpeyerl@novatel.ca) All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 1. Redistributions of source code must retain the above copyright 7 * notice, this list of conditions and the following disclaimer. 2. The name 8 * of the author may not be used to endorse or promote products derived from 9 * this software without specific prior written permission 10 * 11 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 12 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 14 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 15 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 16 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 17 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 18 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 19 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 20 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 21 * 22 * $FreeBSD$ 23 */ 24 25 /* 26 * DELAY_MULTIPLE: How much to boost "base" delays, except 27 * for the inter-bit delays in get_eeprom_data. A cyrix Media GX needed this. 28 */ 29 #define DELAY_MULTIPLE 10 30 #define BIT_DELAY_MULTIPLE 10 31 32 /* 33 * Some global constants 34 */ 35 #define TX_INIT_RATE 16 36 #define TX_INIT_MAX_RATE 64 37 #define RX_INIT_LATENCY 64 38 #define RX_INIT_EARLY_THRESH 208/* not less than MINCLSIZE */ 39 #define RX_NEXT_EARLY_THRESH 500 40 41 #define EEPROMSIZE 0x40 42 #define MAX_EEPROMBUSY 1000 43 #define EP_LAST_TAG 0xd7 44 #define EP_MAX_BOARDS 16 45 #define EP_IOSIZE 16 /* 16 bytes of I/O space used. */ 46 47 /* 48 * Commands to read/write EEPROM trough EEPROM command register (Window 0, 49 * Offset 0xa) 50 */ 51 #define EEPROM_CMD_RD 0x0080 /* Read: Address required (5 bits) */ 52 #define EEPROM_CMD_WR 0x0040 /* Write: Address required (5 bits) */ 53 #define EEPROM_CMD_ERASE 0x00c0 /* Erase: Address required (5 bits) */ 54 #define EEPROM_CMD_EWEN 0x0030 /* Erase/Write Enable: No data required */ 55 56 #define EEPROM_BUSY (1<<15) 57 #define EEPROM_TST_MODE (1<<14) 58 59 /* 60 * Some short functions, worth to let them be a macro 61 */ 62 #define is_eeprom_busy(sc) (CSR_READ_2(sc, EP_W0_EEPROM_COMMAND)&EEPROM_BUSY) 63 #define GO_WINDOW(sc, x) CSR_WRITE_2(sc, EP_COMMAND, WINDOW_SELECT|(x)) 64 65 /************************************************************************** 66 * * 67 * These define the EEPROM data structure. They are used in the probe 68 * function to verify the existence of the adapter after having sent 69 * the ID_Sequence. 70 * 71 **************************************************************************/ 72 73 #define EEPROM_NODE_ADDR_0 0x0 /* Word */ 74 #define EEPROM_NODE_ADDR_1 0x1 /* Word */ 75 #define EEPROM_NODE_ADDR_2 0x2 /* Word */ 76 #define EEPROM_PROD_ID 0x3 /* 0x9[0-f]50 */ 77 #define EEPROM_MFG_DATE 0x4 /* Manufacturing date */ 78 #define EEPROM_MFG_DIVSION 0x5 /* Manufacturing division */ 79 #define EEPROM_MFG_PRODUCT 0x6 /* Product code */ 80 #define EEPROM_MFG_ID 0x7 /* 0x6d50 */ 81 #define EEPROM_ADDR_CFG 0x8 /* Base addr */ 82 #define ADDR_CFG_EISA 0x1f 83 #define ADDR_CFG_MASK 0x1f 84 #define EEPROM_RESOURCE_CFG 0x9 /* IRQ. Bits 12-15 */ 85 #define EEPROM_OEM_ADDR0 0xa 86 #define EEPROM_OEM_ADDR1 0xb 87 #define EEPROM_OEM_ADDR2 0xc 88 #define EEPROM_SOFTINFO 0xd 89 #define EEPROM_COMPAT 0xe 90 #define EEPROM_SOFTINFO2 0xf 91 #define EEPROM_CAP 0x10 92 #define CAP_ISA 0x2083 93 #define CAP_PCMCIA 0x2082 94 #define EEPROM_INT_CONFIG_0 0x12 95 #define EEPROM_INT_CONFIG_1 0x13 96 /* RAM Partition TX FIFO/RX FIFO */ 97 #define ICW1_RAM_PART_MASK 0x03 98 #define ICW1_RAM_PART_35 0x00 /* 2:5 (only legal if RAM size == 000b 99 * default power-up/reset */ 100 #define ICW1_RAM_PART_13 0x01 /* 1:3 (only legal if RAM size == 101 * 000b) */ 102 #define ICW1_RAM_PART_11 0x10 /* 1:1 */ 103 #define ICW1_RAM_PART_RESV 0x11 /* Reserved */ 104 /* ISA Adapter Selection */ 105 #define ICW1_IAS_MASK 0x0c 106 #define ICW1_IAS_DIS 0x00 /* Both mechanisms disabled (default) */ 107 #define ICW1_IAS_ISA 0x04 /* ISA contention only */ 108 #define ICW1_IAS_PNP 0x08 /* ISA Plug and Play only */ 109 #define ICW1_IAS_BOTH 0x0c /* Both mechanisms enabled */ 110 111 #define EEPROM_CHECKSUM_EL3 0x17 112 113 /************************************************************************** 114 * * 115 * These are the registers for the 3Com 3c509 and their bit patterns when * 116 * applicable. They have been taken out the "EtherLink III Parallel * 117 * Tasking EISA and ISA Technical Reference" "Beta Draft 10/30/92" manual * 118 * from 3com. * 119 * * 120 **************************************************************************/ 121 122 #define EP_COMMAND 0x0e /* Write. BASE+0x0e is always a 123 * command reg. */ 124 #define EP_STATUS 0x0e /* Read. BASE+0x0e is always status 125 * reg. */ 126 #define EP_WINDOW 0x0f /* Read. BASE+0x0f is always window 127 * reg. */ 128 /* 129 * Window 0 registers. Setup. 130 */ 131 /* Write */ 132 #define EP_W0_EEPROM_DATA 0x0c 133 #define EP_W0_EEPROM_COMMAND 0x0a 134 #define EP_W0_RESOURCE_CFG 0x08 135 #define EP_W0_ADDRESS_CFG 0x06 136 #define EP_W0_CONFIG_CTRL 0x04 137 /* Read */ 138 #define EP_W0_PRODUCT_ID 0x02 139 #define EP_W0_MFG_ID 0x00 140 141 /* 142 * Window 1 registers. Operating Set. 143 */ 144 /* Write */ 145 #define EP_W1_TX_PIO_WR_2 0x02 146 #define EP_W1_TX_PIO_WR_1 0x00 147 /* Read */ 148 #define EP_W1_FREE_TX 0x0c 149 #define EP_W1_TX_STATUS 0x0b /* byte */ 150 #define EP_W1_TIMER 0x0a /* byte */ 151 #define EP_W1_RX_STATUS 0x08 152 #define EP_W1_RX_PIO_RD_2 0x02 153 #define EP_W1_RX_PIO_RD_1 0x00 154 155 /* 156 * Window 2 registers. Station Address Setup/Read 157 */ 158 /* Read/Write */ 159 #define EP_W2_PHY_MGMT 0x0c 160 #define EP_W2_ALT_EEPROM 0x0a 161 #define EP_W2_ADDR_5 0x05 162 #define EP_W2_ADDR_4 0x04 163 #define EP_W2_ADDR_3 0x03 164 #define EP_W2_ADDR_2 0x02 165 #define EP_W2_ADDR_1 0x01 166 #define EP_W2_ADDR_0 0x00 167 168 /* 169 * Window 3 registers. FIFO Management. 170 */ 171 /* Read */ 172 #define EP_W3_FREE_TX 0x0c 173 #define EP_W3_FREE_RX 0x0a 174 #define EP_W3_OPTIONS 0x08 175 176 /* 177 * Window 4 registers. Diagnostics. 178 */ 179 /* Read/Write */ 180 #define EP_W4_MEDIA_TYPE 0x0a 181 #define EP_W4_CTRLR_STATUS 0x08 182 #define EP_W4_NET_DIAG 0x06 183 #define EP_W4_FIFO_DIAG 0x04 184 #define EP_W4_HOST_DIAG 0x02 185 #define EP_W4_TX_DIAG 0x00 186 187 /* 188 * Window 5 Registers. Results and Internal status. 189 */ 190 /* Read */ 191 #define EP_W5_READ_0_MASK 0x0c 192 #define EP_W5_INTR_MASK 0x0a 193 #define EP_W5_RX_FILTER 0x08 194 #define EP_W5_RX_EARLY_THRESH 0x06 195 #define EP_W5_TX_AVAIL_THRESH 0x02 196 #define EP_W5_TX_START_THRESH 0x00 197 198 /* 199 * Window 6 registers. Statistics. 200 */ 201 /* Read/Write */ 202 #define TX_TOTAL_OK 0x0c 203 #define RX_TOTAL_OK 0x0a 204 #define TX_DEFERRALS 0x08 205 #define RX_FRAMES_OK 0x07 206 #define TX_FRAMES_OK 0x06 207 #define RX_OVERRUNS 0x05 208 #define TX_COLLISIONS 0x04 209 #define TX_AFTER_1_COLLISION 0x03 210 #define TX_AFTER_X_COLLISIONS 0x02 211 #define TX_NO_SQE 0x01 212 #define TX_CD_LOST 0x00 213 214 /**************************************** 215 * 216 * Register definitions. 217 * 218 ****************************************/ 219 220 /* 221 * Command parameter that disables threshold interrupts 222 * PIO (3c509) cards use 2044. The fifo word-oriented and 2044--2047 work. 223 * "busmastering" cards need 8188. 224 * The implicit two-bit upshift done by busmastering cards means 225 * a value of 2047 disables threshold interrupts on both. 226 */ 227 #define EP_THRESH_DISABLE 2047 228 229 /* 230 * Command register. All windows. 231 * 232 * 16 bit register. 233 * 15-11: 5-bit code for command to be executed. 234 * 10-0: 11-bit arg if any. For commands with no args; 235 * this can be set to anything. 236 */ 237 #define GLOBAL_RESET (u_short) 0x0000 /* Wait at least 1ms 238 * after issuing */ 239 #define WINDOW_SELECT (u_short) (0x1<<11) 240 #define START_TRANSCEIVER (u_short) (0x2<<11) /* Read ADDR_CFG reg to 241 * determine whether 242 * this is needed. If 243 * so; wait 800 uSec 244 * before using trans- 245 * ceiver. */ 246 #define RX_DISABLE (u_short) (0x3<<11) /* state disabled on 247 * power-up */ 248 #define RX_ENABLE (u_short) (0x4<<11) 249 #define RX_RESET (u_short) (0x5<<11) 250 #define RX_DISCARD_TOP_PACK (u_short) (0x8<<11) 251 #define TX_ENABLE (u_short) (0x9<<11) 252 #define TX_DISABLE (u_short) (0xa<<11) 253 #define TX_RESET (u_short) (0xb<<11) 254 #define REQ_INTR (u_short) (0xc<<11) 255 /* 256 * The following C_* acknowledge the various interrupts. Some of them don't 257 * do anything. See the manual. 258 */ 259 #define ACK_INTR (u_short) (0x6800) 260 # define C_INTR_LATCH (u_short) (ACK_INTR|0x1) 261 # define C_CARD_FAILURE (u_short) (ACK_INTR|0x2) 262 # define C_TX_COMPLETE (u_short) (ACK_INTR|0x4) 263 # define C_TX_AVAIL (u_short) (ACK_INTR|0x8) 264 # define C_RX_COMPLETE (u_short) (ACK_INTR|0x10) 265 # define C_RX_EARLY (u_short) (ACK_INTR|0x20) 266 # define C_INT_RQD (u_short) (ACK_INTR|0x40) 267 # define C_UPD_STATS (u_short) (ACK_INTR|0x80) 268 #define SET_INTR_MASK (u_short) (0xe<<11) 269 #define SET_RD_0_MASK (u_short) (0xf<<11) 270 #define SET_RX_FILTER (u_short) (0x10<<11) 271 # define FIL_INDIVIDUAL (u_short) (0x1) 272 # define FIL_MULTICAST (u_short) (0x02) 273 # define FIL_BRDCST (u_short) (0x04) 274 # define FIL_PROMISC (u_short) (0x08) 275 #define SET_RX_EARLY_THRESH (u_short) (0x11<<11) 276 #define SET_TX_AVAIL_THRESH (u_short) (0x12<<11) 277 #define SET_TX_START_THRESH (u_short) (0x13<<11) 278 #define STATS_ENABLE (u_short) (0x15<<11) 279 #define STATS_DISABLE (u_short) (0x16<<11) 280 #define STOP_TRANSCEIVER (u_short) (0x17<<11) 281 #define TX_PLL_ENABLE (u_short) (0x18<<11) 282 #define TX_PLL_DISABLE (u_short) (0x19<<11) 283 #define POWER_UP (u_short) (0x1b<<11) 284 #define POWER_DOWN (u_short) (0x1b<<11) 285 #define POWER_AUTO (u_short) (0x1b<<11) 286 287 /* 288 * Status register. All windows. 289 * 290 * 15-13: Window number(0-7). 291 * 12: Command_in_progress. 292 * 11: reserved. 293 * 10: reserved. 294 * 9: reserved. 295 * 8: reserved. 296 * 7: Update Statistics. 297 * 6: Interrupt Requested. 298 * 5: RX Early. 299 * 4: RX Complete. 300 * 3: TX Available. 301 * 2: TX Complete. 302 * 1: Adapter Failure. 303 * 0: Interrupt Latch. 304 */ 305 #define S_INTR_LATCH (u_short) (0x1) 306 #define S_CARD_FAILURE (u_short) (0x2) 307 #define S_TX_COMPLETE (u_short) (0x4) 308 #define S_TX_AVAIL (u_short) (0x8) 309 #define S_RX_COMPLETE (u_short) (0x10) 310 #define S_RX_EARLY (u_short) (0x20) 311 #define S_INT_RQD (u_short) (0x40) 312 #define S_UPD_STATS (u_short) (0x80) 313 #define S_MASK (u_short) 0xFF /* mask of S_* */ 314 #define S_5_INTS (S_CARD_FAILURE|S_TX_COMPLETE|\ 315 S_TX_AVAIL|S_RX_COMPLETE|S_RX_EARLY) 316 #define S_COMMAND_IN_PROGRESS (u_short) (0x1000) 317 318 #define EP_BUSY_WAIT(sc) while (CSR_READ_2(sc, EP_STATUS) & S_COMMAND_IN_PROGRESS) 319 320 /* Address Config. Register. 321 * Window 0/Port 06 322 */ 323 324 #define ACF_CONNECTOR_BITS 14 325 #define ACF_CONNECTOR_UTP 0 326 #define ACF_CONNECTOR_AUI 1 327 #define ACF_CONNECTOR_BNC 3 328 329 /* Resource configuration register. 330 * Window 0/Port 08 331 * 332 */ 333 334 #define SET_IRQ(sc, irq) CSR_WRITE_2((sc), EP_W0_RESOURCE_CFG, \ 335 ((CSR_READ_2((sc), EP_W0_RESOURCE_CFG) & 0x0fff) | \ 336 ((u_short)(irq)<<12)) ) /* set IRQ i */ 337 338 /* 339 * FIFO Registers. 340 * RX Status. Window 1/Port 08 341 * 342 * 15: Incomplete or FIFO empty. 343 * 14: 1: Error in RX Packet 0: Incomplete or no error. 344 * 13-11: Type of error. 345 * 1000 = Overrun. 346 * 1011 = Run Packet Error. 347 * 1100 = Alignment Error. 348 * 1101 = CRC Error. 349 * 1001 = Oversize Packet Error (>1514 bytes) 350 * 0010 = Dribble Bits. 351 * (all other error codes, no errors.) 352 * 353 * 10-0: RX Bytes (0-1514) 354 */ 355 #define ERR_RX_INCOMPLETE (u_short) (0x1<<15) 356 #define ERR_RX (u_short) (0x1<<14) 357 #define ERR_RX_OVERRUN (u_short) (0x8<<11) 358 #define ERR_RX_RUN_PKT (u_short) (0xb<<11) 359 #define ERR_RX_ALIGN (u_short) (0xc<<11) 360 #define ERR_RX_CRC (u_short) (0xd<<11) 361 #define ERR_RX_OVERSIZE (u_short) (0x9<<11) 362 #define ERR_RX_DRIBBLE (u_short) (0x2<<11) 363 364 /* 365 * FIFO Registers. 366 * TX Status. Window 1/Port 0B 367 * 368 * Reports the transmit status of a completed transmission. Writing this 369 * register pops the transmit completion stack. 370 * 371 * Window 1/Port 0x0b. 372 * 373 * 7: Complete 374 * 6: Interrupt on successful transmission requested. 375 * 5: Jabber Error (TP Only, TX Reset required. ) 376 * 4: Underrun (TX Reset required. ) 377 * 3: Maximum Collisions. 378 * 2: TX Status Overflow. 379 * 1-0: Undefined. 380 * 381 */ 382 #define TXS_COMPLETE 0x80 383 #define TXS_SUCCES_INTR_REQ 0x40 384 #define TXS_JABBER 0x20 385 #define TXS_UNDERRUN 0x10 386 #define TXS_MAX_COLLISION 0x8 387 #define TXS_STATUS_OVERFLOW 0x4 388 389 /* 390 * Configuration control register. 391 * Window 0/Port 04 392 */ 393 /* Read */ 394 #define IS_AUI (1<<13) 395 #define IS_BNC (1<<12) 396 #define IS_UTP (1<<9) 397 /* Write */ 398 #define ENABLE_DRQ_IRQ 0x0001 399 #define W0_P4_CMD_RESET_ADAPTER 0x4 400 #define W0_P4_CMD_ENABLE_ADAPTER 0x1 401 402 /* 403 * Media type and status. 404 * Window 4/Port 0A 405 */ 406 #define JABBER_GUARD_ENABLE 0x40 407 #define LINKBEAT_ENABLE 0x80 408 #define ENABLE_UTP (JABBER_GUARD_ENABLE | LINKBEAT_ENABLE) 409 #define DISABLE_UTP 0x0 410 #define MT_CSD 0x0004 /* CRC Strip disable */ 411 #define MT_SQE 0x0008 /* SQE Enable */ 412 #define MT_C0 0x0010 /* Collison */ 413 #define MT_CS 0x0020 /* Carrier Sense */ 414 #define MT_J 0x0200 /* Jabber detected */ 415 #define MT_PL 0x0400 /* Plarity Inverted */ 416 #define MT_LB 0x0800 /* Link Beat detected */ 417 #define MT_SQ 0x1000 /* SQE Present */ 418 #define MT_IN 0x2000 /* Reserved */ 419 #define MT_CE 0x4000 /* Coax */ 420 #define MT_TPE 0x8000 421 422 /* 423 * Misc defines for various things. 424 */ 425 #define ACTIVATE_ADAPTER_TO_CONFIG 0xff /* to the id_port */ 426 #define MFG_ID 0x6d50 /* in EEPROM and W0 427 * ADDR_CONFIG */ 428 #define PROD_ID 0x9150 429 430 #define AUI 0x1 431 #define BNC 0x2 432 #define UTP 0x4 433 434 #define RX_BYTES_MASK (u_short) (0x07ff) 435