1 /*------------------------------------------------------------------------ 2 . smc91111.h - macros for the LAN91C111 Ethernet Driver 3 . 4 . (C) Copyright 2002 5 . Sysgo Real-Time Solutions, GmbH <www.elinos.com> 6 . Rolf Offermanns <rof@sysgo.de> 7 . Copyright (C) 2001 Standard Microsystems Corporation (SMSC) 8 . Developed by Simple Network Magic Corporation (SNMC) 9 . Copyright (C) 1996 by Erik Stahlman (ES) 10 . 11 . This program is free software; you can redistribute it and/or modify 12 . it under the terms of the GNU General Public License as published by 13 . the Free Software Foundation; either version 2 of the License, or 14 . (at your option) any later version. 15 . 16 . This program is distributed in the hope that it will be useful, 17 . but WITHOUT ANY WARRANTY; without even the implied warranty of 18 . MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 . GNU General Public License for more details. 20 . 21 . You should have received a copy of the GNU General Public License 22 . along with this program; if not, write to the Free Software 23 . Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 24 . 25 . This file contains register information and access macros for 26 . the LAN91C111 single chip ethernet controller. It is a modified 27 . version of the smc9194.h file. 28 . 29 . Information contained in this file was obtained from the LAN91C111 30 . manual from SMC. To get a copy, if you really want one, you can find 31 . information under www.smsc.com. 32 . 33 . Authors 34 . Erik Stahlman ( erik@vt.edu ) 35 . Daris A Nevil ( dnevil@snmc.com ) 36 . 37 . History 38 . 03/16/01 Daris A Nevil Modified for use with LAN91C111 device 39 . 40 ---------------------------------------------------------------------------*/ 41 #ifndef _SMC91111_H_ 42 #define _SMC91111_H_ 43 44 #include <asm/types.h> 45 #include <config.h> 46 47 /* 48 * This function may be called by the board specific initialisation code 49 * in order to override the default mac address. 50 */ 51 52 void smc_set_mac_addr (const unsigned char *addr); 53 54 55 /* I want some simple types */ 56 57 typedef unsigned char byte; 58 typedef unsigned short word; 59 typedef unsigned long int dword; 60 61 struct smc91111_priv{ 62 u8 dev_num; 63 }; 64 65 /* 66 . DEBUGGING LEVELS 67 . 68 . 0 for normal operation 69 . 1 for slightly more details 70 . >2 for various levels of increasingly useless information 71 . 2 for interrupt tracking, status flags 72 . 3 for packet info 73 . 4 for complete packet dumps 74 */ 75 /*#define SMC_DEBUG 0 */ 76 77 /* Because of bank switching, the LAN91xxx uses only 16 I/O ports */ 78 79 #define SMC_IO_EXTENT 16 80 81 #ifdef CONFIG_PXA250 82 83 #ifdef CONFIG_XSENGINE 84 #define SMC_inl(a,r) (*((volatile dword *)((a)->iobase+((r)<<1)))) 85 #define SMC_inw(a,r) (*((volatile word *)((a)->iobase+((r)<<1)))) 86 #define SMC_inb(a,p) ({ \ 87 unsigned int __p = (unsigned int)((a)->iobase + ((p)<<1)); \ 88 unsigned int __v = *(volatile unsigned short *)((__p) & ~2); \ 89 if (__p & 2) __v >>= 8; \ 90 else __v &= 0xff; \ 91 __v; }) 92 #elif defined(CONFIG_XAENIAX) 93 #define SMC_inl(a,r) (*((volatile dword *)((a)->iobase+(r)))) 94 #define SMC_inw(a,z) ({ \ 95 unsigned int __p = (unsigned int)((a)->iobase + (z)); \ 96 unsigned int __v = *(volatile unsigned int *)((__p) & ~3); \ 97 if (__p & 3) __v >>= 16; \ 98 else __v &= 0xffff; \ 99 __v; }) 100 #define SMC_inb(a,p) ({ \ 101 unsigned int ___v = SMC_inw((a),(p) & ~1); \ 102 if ((p) & 1) ___v >>= 8; \ 103 else ___v &= 0xff; \ 104 ___v; }) 105 #else 106 #define SMC_inl(a,r) (*((volatile dword *)((a)->iobase+(r)))) 107 #define SMC_inw(a,r) (*((volatile word *)((a)->iobase+(r)))) 108 #define SMC_inb(a,p) ({ \ 109 unsigned int __p = (unsigned int)((a)->iobase + (p)); \ 110 unsigned int __v = *(volatile unsigned short *)((__p) & ~1); \ 111 if (__p & 1) __v >>= 8; \ 112 else __v &= 0xff; \ 113 __v; }) 114 #endif 115 116 #ifdef CONFIG_XSENGINE 117 #define SMC_outl(a,d,r) (*((volatile dword *)((a)->iobase+(r<<1))) = d) 118 #define SMC_outw(a,d,r) (*((volatile word *)((a)->iobase+(r<<1))) = d) 119 #elif defined (CONFIG_XAENIAX) 120 #define SMC_outl(a,d,r) (*((volatile dword *)((a)->iobase+(r))) = d) 121 #define SMC_outw(a,d,p) ({ \ 122 dword __dwo = SMC_inl((a),(p) & ~3); \ 123 dword __dwn = (word)(d); \ 124 __dwo &= ((p) & 3) ? 0x0000ffff : 0xffff0000; \ 125 __dwo |= ((p) & 3) ? __dwn << 16 : __dwn; \ 126 SMC_outl((a), __dwo, (p) & ~3); \ 127 }) 128 #else 129 #define SMC_outl(a,d,r) (*((volatile dword *)((a)->iobase+(r))) = d) 130 #define SMC_outw(a,d,r) (*((volatile word *)((a)->iobase+(r))) = d) 131 #endif 132 133 #define SMC_outb(a,d,r) ({ word __d = (byte)(d); \ 134 word __w = SMC_inw((a),(r)&~1); \ 135 __w &= ((r)&1) ? 0x00FF : 0xFF00; \ 136 __w |= ((r)&1) ? __d<<8 : __d; \ 137 SMC_outw((a),__w,(r)&~1); \ 138 }) 139 140 #define SMC_outsl(a,r,b,l) ({ int __i; \ 141 dword *__b2; \ 142 __b2 = (dword *) b; \ 143 for (__i = 0; __i < l; __i++) { \ 144 SMC_outl((a), *(__b2 + __i), r); \ 145 } \ 146 }) 147 148 #define SMC_outsw(a,r,b,l) ({ int __i; \ 149 word *__b2; \ 150 __b2 = (word *) b; \ 151 for (__i = 0; __i < l; __i++) { \ 152 SMC_outw((a), *(__b2 + __i), r); \ 153 } \ 154 }) 155 156 #define SMC_insl(a,r,b,l) ({ int __i ; \ 157 dword *__b2; \ 158 __b2 = (dword *) b; \ 159 for (__i = 0; __i < l; __i++) { \ 160 *(__b2 + __i) = SMC_inl((a),(r)); \ 161 SMC_inl((a),0); \ 162 }; \ 163 }) 164 165 #define SMC_insw(a,r,b,l) ({ int __i ; \ 166 word *__b2; \ 167 __b2 = (word *) b; \ 168 for (__i = 0; __i < l; __i++) { \ 169 *(__b2 + __i) = SMC_inw((a),(r)); \ 170 SMC_inw((a),0); \ 171 }; \ 172 }) 173 174 #define SMC_insb(a,r,b,l) ({ int __i ; \ 175 byte *__b2; \ 176 __b2 = (byte *) b; \ 177 for (__i = 0; __i < l; __i++) { \ 178 *(__b2 + __i) = SMC_inb((a),(r)); \ 179 SMC_inb((a),0); \ 180 }; \ 181 }) 182 183 #elif defined(CONFIG_LEON) /* if not CONFIG_PXA250 */ 184 185 #define SMC_LEON_SWAP16(_x_) ({ word _x = (_x_); ((_x << 8) | (_x >> 8)); }) 186 187 #define SMC_LEON_SWAP32(_x_) \ 188 ({ dword _x = (_x_); \ 189 ((_x << 24) | \ 190 ((0x0000FF00UL & _x) << 8) | \ 191 ((0x00FF0000UL & _x) >> 8) | \ 192 (_x >> 24)); }) 193 194 #define SMC_inl(a,r) (SMC_LEON_SWAP32((*(volatile dword *)((a)->iobase+((r)<<0))))) 195 #define SMC_inl_nosw(a,r) ((*(volatile dword *)((a)->iobase+((r)<<0)))) 196 #define SMC_inw(a,r) (SMC_LEON_SWAP16((*(volatile word *)((a)->iobase+((r)<<0))))) 197 #define SMC_inw_nosw(a,r) ((*(volatile word *)((a)->iobase+((r)<<0)))) 198 #define SMC_inb(a,p) ({ \ 199 word ___v = SMC_inw((a),(p) & ~1); \ 200 if ((p) & 1) ___v >>= 8; \ 201 else ___v &= 0xff; \ 202 ___v; }) 203 204 #define SMC_outl(a,d,r) (*(volatile dword *)((a)->iobase+((r)<<0))=SMC_LEON_SWAP32(d)) 205 #define SMC_outl_nosw(a,d,r) (*(volatile dword *)((a)->iobase+((r)<<0))=(d)) 206 #define SMC_outw(a,d,r) (*(volatile word *)((a)->iobase+((r)<<0))=SMC_LEON_SWAP16(d)) 207 #define SMC_outw_nosw(a,d,r) (*(volatile word *)((a)->iobase+((r)<<0))=(d)) 208 #define SMC_outb(a,d,r) do{ word __d = (byte)(d); \ 209 word __w = SMC_inw((a),(r)&~1); \ 210 __w &= ((r)&1) ? 0x00FF : 0xFF00; \ 211 __w |= ((r)&1) ? __d<<8 : __d; \ 212 SMC_outw((a),__w,(r)&~1); \ 213 }while(0) 214 #define SMC_outsl(a,r,b,l) do{ int __i; \ 215 dword *__b2; \ 216 __b2 = (dword *) b; \ 217 for (__i = 0; __i < l; __i++) { \ 218 SMC_outl_nosw((a), *(__b2 + __i), r); \ 219 } \ 220 }while(0) 221 #define SMC_outsw(a,r,b,l) do{ int __i; \ 222 word *__b2; \ 223 __b2 = (word *) b; \ 224 for (__i = 0; __i < l; __i++) { \ 225 SMC_outw_nosw((a), *(__b2 + __i), r); \ 226 } \ 227 }while(0) 228 #define SMC_insl(a,r,b,l) do{ int __i ; \ 229 dword *__b2; \ 230 __b2 = (dword *) b; \ 231 for (__i = 0; __i < l; __i++) { \ 232 *(__b2 + __i) = SMC_inl_nosw((a),(r)); \ 233 }; \ 234 }while(0) 235 236 #define SMC_insw(a,r,b,l) do{ int __i ; \ 237 word *__b2; \ 238 __b2 = (word *) b; \ 239 for (__i = 0; __i < l; __i++) { \ 240 *(__b2 + __i) = SMC_inw_nosw((a),(r)); \ 241 }; \ 242 }while(0) 243 244 #define SMC_insb(a,r,b,l) do{ int __i ; \ 245 byte *__b2; \ 246 __b2 = (byte *) b; \ 247 for (__i = 0; __i < l; __i++) { \ 248 *(__b2 + __i) = SMC_inb((a),(r)); \ 249 }; \ 250 }while(0) 251 252 #else /* if not CONFIG_PXA250 and not CONFIG_LEON */ 253 254 #ifndef CONFIG_SMC_USE_IOFUNCS /* these macros don't work on some boards */ 255 /* 256 * We have only 16 Bit PCMCIA access on Socket 0 257 */ 258 259 #ifdef CONFIG_ADNPESC1 260 #define SMC_inw(a,r) (*((volatile word *)((a)->iobase+((r)<<1)))) 261 #elif CONFIG_BLACKFIN 262 #define SMC_inw(a,r) ({ word __v = (*((volatile word *)((a)->iobase+(r)))); SSYNC(); __v;}) 263 #else 264 #define SMC_inw(a,r) (*((volatile word *)((a)->iobase+(r)))) 265 #endif 266 #define SMC_inb(a,r) (((r)&1) ? SMC_inw((a),(r)&~1)>>8 : SMC_inw((a),(r)&0xFF)) 267 268 #ifdef CONFIG_ADNPESC1 269 #define SMC_outw(a,d,r) (*((volatile word *)((a)->iobase+((r)<<1))) = d) 270 #elif CONFIG_BLACKFIN 271 #define SMC_outw(a,d,r) {(*((volatile word *)((a)->iobase+(r))) = d); SSYNC();} 272 #else 273 #define SMC_outw(a,d,r) (*((volatile word *)((a)->iobase+(r))) = d) 274 #endif 275 #define SMC_outb(a,d,r) ({ word __d = (byte)(d); \ 276 word __w = SMC_inw((a),(r)&~1); \ 277 __w &= ((r)&1) ? 0x00FF : 0xFF00; \ 278 __w |= ((r)&1) ? __d<<8 : __d; \ 279 SMC_outw((a),__w,(r)&~1); \ 280 }) 281 #if 0 282 #define SMC_outsw(a,r,b,l) outsw((a)->iobase+(r), (b), (l)) 283 #else 284 #define SMC_outsw(a,r,b,l) ({ int __i; \ 285 word *__b2; \ 286 __b2 = (word *) b; \ 287 for (__i = 0; __i < l; __i++) { \ 288 SMC_outw((a), *(__b2 + __i), r); \ 289 } \ 290 }) 291 #endif 292 293 #if 0 294 #define SMC_insw(a,r,b,l) insw((a)->iobase+(r), (b), (l)) 295 #else 296 #define SMC_insw(a,r,b,l) ({ int __i ; \ 297 word *__b2; \ 298 __b2 = (word *) b; \ 299 for (__i = 0; __i < l; __i++) { \ 300 *(__b2 + __i) = SMC_inw((a),(r)); \ 301 SMC_inw((a),0); \ 302 }; \ 303 }) 304 #endif 305 306 #endif /* CONFIG_SMC_USE_IOFUNCS */ 307 308 #if defined(CONFIG_SMC_USE_32_BIT) 309 310 #ifdef CONFIG_XSENGINE 311 #define SMC_inl(a,r) (*((volatile dword *)((a)->iobase+(r<<1)))) 312 #else 313 #define SMC_inl(a,r) (*((volatile dword *)((a)->iobase+(r)))) 314 #endif 315 316 #define SMC_insl(a,r,b,l) ({ int __i ; \ 317 dword *__b2; \ 318 __b2 = (dword *) b; \ 319 for (__i = 0; __i < l; __i++) { \ 320 *(__b2 + __i) = SMC_inl((a),(r)); \ 321 SMC_inl((a),0); \ 322 }; \ 323 }) 324 325 #ifdef CONFIG_XSENGINE 326 #define SMC_outl(a,d,r) (*((volatile dword *)((a)->iobase+(r<<1))) = d) 327 #else 328 #define SMC_outl(a,d,r) (*((volatile dword *)((a)->iobase+(r))) = d) 329 #endif 330 #define SMC_outsl(a,r,b,l) ({ int __i; \ 331 dword *__b2; \ 332 __b2 = (dword *) b; \ 333 for (__i = 0; __i < l; __i++) { \ 334 SMC_outl((a), *(__b2 + __i), r); \ 335 } \ 336 }) 337 338 #endif /* CONFIG_SMC_USE_32_BIT */ 339 340 #endif 341 342 /*--------------------------------------------------------------- 343 . 344 . A description of the SMSC registers is probably in order here, 345 . although for details, the SMC datasheet is invaluable. 346 . 347 . Basically, the chip has 4 banks of registers ( 0 to 3 ), which 348 . are accessed by writing a number into the BANK_SELECT register 349 . ( I also use a SMC_SELECT_BANK macro for this ). 350 . 351 . The banks are configured so that for most purposes, bank 2 is all 352 . that is needed for simple run time tasks. 353 -----------------------------------------------------------------------*/ 354 355 /* 356 . Bank Select Register: 357 . 358 . yyyy yyyy 0000 00xx 359 . xx = bank number 360 . yyyy yyyy = 0x33, for identification purposes. 361 */ 362 #define BANK_SELECT 14 363 364 /* Transmit Control Register */ 365 /* BANK 0 */ 366 #define TCR_REG 0x0000 /* transmit control register */ 367 #define TCR_ENABLE 0x0001 /* When 1 we can transmit */ 368 #define TCR_LOOP 0x0002 /* Controls output pin LBK */ 369 #define TCR_FORCOL 0x0004 /* When 1 will force a collision */ 370 #define TCR_PAD_EN 0x0080 /* When 1 will pad tx frames < 64 bytes w/0 */ 371 #define TCR_NOCRC 0x0100 /* When 1 will not append CRC to tx frames */ 372 #define TCR_MON_CSN 0x0400 /* When 1 tx monitors carrier */ 373 #define TCR_FDUPLX 0x0800 /* When 1 enables full duplex operation */ 374 #define TCR_STP_SQET 0x1000 /* When 1 stops tx if Signal Quality Error */ 375 #define TCR_EPH_LOOP 0x2000 /* When 1 enables EPH block loopback */ 376 #define TCR_SWFDUP 0x8000 /* When 1 enables Switched Full Duplex mode */ 377 378 #define TCR_CLEAR 0 /* do NOTHING */ 379 /* the default settings for the TCR register : */ 380 /* QUESTION: do I want to enable padding of short packets ? */ 381 #define TCR_DEFAULT TCR_ENABLE 382 383 384 /* EPH Status Register */ 385 /* BANK 0 */ 386 #define EPH_STATUS_REG 0x0002 387 #define ES_TX_SUC 0x0001 /* Last TX was successful */ 388 #define ES_SNGL_COL 0x0002 /* Single collision detected for last tx */ 389 #define ES_MUL_COL 0x0004 /* Multiple collisions detected for last tx */ 390 #define ES_LTX_MULT 0x0008 /* Last tx was a multicast */ 391 #define ES_16COL 0x0010 /* 16 Collisions Reached */ 392 #define ES_SQET 0x0020 /* Signal Quality Error Test */ 393 #define ES_LTXBRD 0x0040 /* Last tx was a broadcast */ 394 #define ES_TXDEFR 0x0080 /* Transmit Deferred */ 395 #define ES_LATCOL 0x0200 /* Late collision detected on last tx */ 396 #define ES_LOSTCARR 0x0400 /* Lost Carrier Sense */ 397 #define ES_EXC_DEF 0x0800 /* Excessive Deferral */ 398 #define ES_CTR_ROL 0x1000 /* Counter Roll Over indication */ 399 #define ES_LINK_OK 0x4000 /* Driven by inverted value of nLNK pin */ 400 #define ES_TXUNRN 0x8000 /* Tx Underrun */ 401 402 403 /* Receive Control Register */ 404 /* BANK 0 */ 405 #define RCR_REG 0x0004 406 #define RCR_RX_ABORT 0x0001 /* Set if a rx frame was aborted */ 407 #define RCR_PRMS 0x0002 /* Enable promiscuous mode */ 408 #define RCR_ALMUL 0x0004 /* When set accepts all multicast frames */ 409 #define RCR_RXEN 0x0100 /* IFF this is set, we can receive packets */ 410 #define RCR_STRIP_CRC 0x0200 /* When set strips CRC from rx packets */ 411 #define RCR_ABORT_ENB 0x0200 /* When set will abort rx on collision */ 412 #define RCR_FILT_CAR 0x0400 /* When set filters leading 12 bit s of carrier */ 413 #define RCR_SOFTRST 0x8000 /* resets the chip */ 414 415 /* the normal settings for the RCR register : */ 416 #define RCR_DEFAULT (RCR_STRIP_CRC | RCR_RXEN) 417 #define RCR_CLEAR 0x0 /* set it to a base state */ 418 419 /* Counter Register */ 420 /* BANK 0 */ 421 #define COUNTER_REG 0x0006 422 423 /* Memory Information Register */ 424 /* BANK 0 */ 425 #define MIR_REG 0x0008 426 427 /* Receive/Phy Control Register */ 428 /* BANK 0 */ 429 #define RPC_REG 0x000A 430 #define RPC_SPEED 0x2000 /* When 1 PHY is in 100Mbps mode. */ 431 #define RPC_DPLX 0x1000 /* When 1 PHY is in Full-Duplex Mode */ 432 #define RPC_ANEG 0x0800 /* When 1 PHY is in Auto-Negotiate Mode */ 433 #define RPC_LSXA_SHFT 5 /* Bits to shift LS2A,LS1A,LS0A to lsb */ 434 #define RPC_LSXB_SHFT 2 /* Bits to get LS2B,LS1B,LS0B to lsb */ 435 #define RPC_LED_100_10 (0x00) /* LED = 100Mbps OR's with 10Mbps link detect */ 436 #define RPC_LED_RES (0x01) /* LED = Reserved */ 437 #define RPC_LED_10 (0x02) /* LED = 10Mbps link detect */ 438 #define RPC_LED_FD (0x03) /* LED = Full Duplex Mode */ 439 #define RPC_LED_TX_RX (0x04) /* LED = TX or RX packet occurred */ 440 #define RPC_LED_100 (0x05) /* LED = 100Mbps link dectect */ 441 #define RPC_LED_TX (0x06) /* LED = TX packet occurred */ 442 #define RPC_LED_RX (0x07) /* LED = RX packet occurred */ 443 #if defined(CONFIG_DK1C20) || defined(CONFIG_DK1S10) 444 /* buggy schematic: LEDa -> yellow, LEDb --> green */ 445 #define RPC_DEFAULT ( RPC_SPEED | RPC_DPLX | RPC_ANEG \ 446 | (RPC_LED_TX_RX << RPC_LSXA_SHFT) \ 447 | (RPC_LED_100_10 << RPC_LSXB_SHFT) ) 448 #elif defined(CONFIG_ADNPESC1) 449 /* SSV ADNP/ESC1 has only one LED: LEDa -> Rx/Tx indicator */ 450 #define RPC_DEFAULT ( RPC_SPEED | RPC_DPLX | RPC_ANEG \ 451 | (RPC_LED_TX_RX << RPC_LSXA_SHFT) \ 452 | (RPC_LED_100_10 << RPC_LSXB_SHFT) ) 453 #else 454 /* SMSC reference design: LEDa --> green, LEDb --> yellow */ 455 #define RPC_DEFAULT ( RPC_SPEED | RPC_DPLX | RPC_ANEG \ 456 | (RPC_LED_100_10 << RPC_LSXA_SHFT) \ 457 | (RPC_LED_TX_RX << RPC_LSXB_SHFT) ) 458 #endif 459 460 /* Bank 0 0x000C is reserved */ 461 462 /* Bank Select Register */ 463 /* All Banks */ 464 #define BSR_REG 0x000E 465 466 467 /* Configuration Reg */ 468 /* BANK 1 */ 469 #define CONFIG_REG 0x0000 470 #define CONFIG_EXT_PHY 0x0200 /* 1=external MII, 0=internal Phy */ 471 #define CONFIG_GPCNTRL 0x0400 /* Inverse value drives pin nCNTRL */ 472 #define CONFIG_NO_WAIT 0x1000 /* When 1 no extra wait states on ISA bus */ 473 #define CONFIG_EPH_POWER_EN 0x8000 /* When 0 EPH is placed into low power mode. */ 474 475 /* Default is powered-up, Internal Phy, Wait States, and pin nCNTRL=low */ 476 #define CONFIG_DEFAULT (CONFIG_EPH_POWER_EN) 477 478 479 /* Base Address Register */ 480 /* BANK 1 */ 481 #define BASE_REG 0x0002 482 483 484 /* Individual Address Registers */ 485 /* BANK 1 */ 486 #define ADDR0_REG 0x0004 487 #define ADDR1_REG 0x0006 488 #define ADDR2_REG 0x0008 489 490 491 /* General Purpose Register */ 492 /* BANK 1 */ 493 #define GP_REG 0x000A 494 495 496 /* Control Register */ 497 /* BANK 1 */ 498 #define CTL_REG 0x000C 499 #define CTL_RCV_BAD 0x4000 /* When 1 bad CRC packets are received */ 500 #define CTL_AUTO_RELEASE 0x0800 /* When 1 tx pages are released automatically */ 501 #define CTL_LE_ENABLE 0x0080 /* When 1 enables Link Error interrupt */ 502 #define CTL_CR_ENABLE 0x0040 /* When 1 enables Counter Rollover interrupt */ 503 #define CTL_TE_ENABLE 0x0020 /* When 1 enables Transmit Error interrupt */ 504 #define CTL_EEPROM_SELECT 0x0004 /* Controls EEPROM reload & store */ 505 #define CTL_RELOAD 0x0002 /* When set reads EEPROM into registers */ 506 #define CTL_STORE 0x0001 /* When set stores registers into EEPROM */ 507 #define CTL_DEFAULT (0x1A10) /* Autorelease enabled*/ 508 509 /* MMU Command Register */ 510 /* BANK 2 */ 511 #define MMU_CMD_REG 0x0000 512 #define MC_BUSY 1 /* When 1 the last release has not completed */ 513 #define MC_NOP (0<<5) /* No Op */ 514 #define MC_ALLOC (1<<5) /* OR with number of 256 byte packets */ 515 #define MC_RESET (2<<5) /* Reset MMU to initial state */ 516 #define MC_REMOVE (3<<5) /* Remove the current rx packet */ 517 #define MC_RELEASE (4<<5) /* Remove and release the current rx packet */ 518 #define MC_FREEPKT (5<<5) /* Release packet in PNR register */ 519 #define MC_ENQUEUE (6<<5) /* Enqueue the packet for transmit */ 520 #define MC_RSTTXFIFO (7<<5) /* Reset the TX FIFOs */ 521 522 523 /* Packet Number Register */ 524 /* BANK 2 */ 525 #define PN_REG 0x0002 526 527 528 /* Allocation Result Register */ 529 /* BANK 2 */ 530 #define AR_REG 0x0003 531 #define AR_FAILED 0x80 /* Alocation Failed */ 532 533 534 /* RX FIFO Ports Register */ 535 /* BANK 2 */ 536 #define RXFIFO_REG 0x0004 /* Must be read as a word */ 537 #define RXFIFO_REMPTY 0x8000 /* RX FIFO Empty */ 538 539 540 /* TX FIFO Ports Register */ 541 /* BANK 2 */ 542 #define TXFIFO_REG RXFIFO_REG /* Must be read as a word */ 543 #define TXFIFO_TEMPTY 0x80 /* TX FIFO Empty */ 544 545 546 /* Pointer Register */ 547 /* BANK 2 */ 548 #define PTR_REG 0x0006 549 #define PTR_RCV 0x8000 /* 1=Receive area, 0=Transmit area */ 550 #define PTR_AUTOINC 0x4000 /* Auto increment the pointer on each access */ 551 #define PTR_READ 0x2000 /* When 1 the operation is a read */ 552 #define PTR_NOTEMPTY 0x0800 /* When 1 _do not_ write fifo DATA REG */ 553 554 555 /* Data Register */ 556 /* BANK 2 */ 557 #define SMC91111_DATA_REG 0x0008 558 559 560 /* Interrupt Status/Acknowledge Register */ 561 /* BANK 2 */ 562 #define SMC91111_INT_REG 0x000C 563 564 565 /* Interrupt Mask Register */ 566 /* BANK 2 */ 567 #define IM_REG 0x000D 568 #define IM_MDINT 0x80 /* PHY MI Register 18 Interrupt */ 569 #define IM_ERCV_INT 0x40 /* Early Receive Interrupt */ 570 #define IM_EPH_INT 0x20 /* Set by Etheret Protocol Handler section */ 571 #define IM_RX_OVRN_INT 0x10 /* Set by Receiver Overruns */ 572 #define IM_ALLOC_INT 0x08 /* Set when allocation request is completed */ 573 #define IM_TX_EMPTY_INT 0x04 /* Set if the TX FIFO goes empty */ 574 #define IM_TX_INT 0x02 /* Transmit Interrrupt */ 575 #define IM_RCV_INT 0x01 /* Receive Interrupt */ 576 577 578 /* Multicast Table Registers */ 579 /* BANK 3 */ 580 #define MCAST_REG1 0x0000 581 #define MCAST_REG2 0x0002 582 #define MCAST_REG3 0x0004 583 #define MCAST_REG4 0x0006 584 585 586 /* Management Interface Register (MII) */ 587 /* BANK 3 */ 588 #define MII_REG 0x0008 589 #define MII_MSK_CRS100 0x4000 /* Disables CRS100 detection during tx half dup */ 590 #define MII_MDOE 0x0008 /* MII Output Enable */ 591 #define MII_MCLK 0x0004 /* MII Clock, pin MDCLK */ 592 #define MII_MDI 0x0002 /* MII Input, pin MDI */ 593 #define MII_MDO 0x0001 /* MII Output, pin MDO */ 594 595 596 /* Revision Register */ 597 /* BANK 3 */ 598 #define REV_REG 0x000A /* ( hi: chip id low: rev # ) */ 599 600 601 /* Early RCV Register */ 602 /* BANK 3 */ 603 /* this is NOT on SMC9192 */ 604 #define ERCV_REG 0x000C 605 #define ERCV_RCV_DISCRD 0x0080 /* When 1 discards a packet being received */ 606 #define ERCV_THRESHOLD 0x001F /* ERCV Threshold Mask */ 607 608 /* External Register */ 609 /* BANK 7 */ 610 #define EXT_REG 0x0000 611 612 613 #define CHIP_9192 3 614 #define CHIP_9194 4 615 #define CHIP_9195 5 616 #define CHIP_9196 6 617 #define CHIP_91100 7 618 #define CHIP_91100FD 8 619 #define CHIP_91111FD 9 620 621 #if 0 622 static const char * chip_ids[ 15 ] = { 623 NULL, NULL, NULL, 624 /* 3 */ "SMC91C90/91C92", 625 /* 4 */ "SMC91C94", 626 /* 5 */ "SMC91C95", 627 /* 6 */ "SMC91C96", 628 /* 7 */ "SMC91C100", 629 /* 8 */ "SMC91C100FD", 630 /* 9 */ "SMC91C111", 631 NULL, NULL, 632 NULL, NULL, NULL}; 633 #endif 634 635 /* 636 . Transmit status bits 637 */ 638 #define TS_SUCCESS 0x0001 639 #define TS_LOSTCAR 0x0400 640 #define TS_LATCOL 0x0200 641 #define TS_16COL 0x0010 642 643 /* 644 . Receive status bits 645 */ 646 #define RS_ALGNERR 0x8000 647 #define RS_BRODCAST 0x4000 648 #define RS_BADCRC 0x2000 649 #define RS_ODDFRAME 0x1000 /* bug: the LAN91C111 never sets this on receive */ 650 #define RS_TOOLONG 0x0800 651 #define RS_TOOSHORT 0x0400 652 #define RS_MULTICAST 0x0001 653 #define RS_ERRORS (RS_ALGNERR | RS_BADCRC | RS_TOOLONG | RS_TOOSHORT) 654 655 656 /* PHY Types */ 657 enum { 658 PHY_LAN83C183 = 1, /* LAN91C111 Internal PHY */ 659 PHY_LAN83C180 660 }; 661 662 663 /* PHY Register Addresses (LAN91C111 Internal PHY) */ 664 665 /* PHY Control Register */ 666 #define PHY_CNTL_REG 0x00 667 #define PHY_CNTL_RST 0x8000 /* 1=PHY Reset */ 668 #define PHY_CNTL_LPBK 0x4000 /* 1=PHY Loopback */ 669 #define PHY_CNTL_SPEED 0x2000 /* 1=100Mbps, 0=10Mpbs */ 670 #define PHY_CNTL_ANEG_EN 0x1000 /* 1=Enable Auto negotiation */ 671 #define PHY_CNTL_PDN 0x0800 /* 1=PHY Power Down mode */ 672 #define PHY_CNTL_MII_DIS 0x0400 /* 1=MII 4 bit interface disabled */ 673 #define PHY_CNTL_ANEG_RST 0x0200 /* 1=Reset Auto negotiate */ 674 #define PHY_CNTL_DPLX 0x0100 /* 1=Full Duplex, 0=Half Duplex */ 675 #define PHY_CNTL_COLTST 0x0080 /* 1= MII Colision Test */ 676 677 /* PHY Status Register */ 678 #define PHY_STAT_REG 0x01 679 #define PHY_STAT_CAP_T4 0x8000 /* 1=100Base-T4 capable */ 680 #define PHY_STAT_CAP_TXF 0x4000 /* 1=100Base-X full duplex capable */ 681 #define PHY_STAT_CAP_TXH 0x2000 /* 1=100Base-X half duplex capable */ 682 #define PHY_STAT_CAP_TF 0x1000 /* 1=10Mbps full duplex capable */ 683 #define PHY_STAT_CAP_TH 0x0800 /* 1=10Mbps half duplex capable */ 684 #define PHY_STAT_CAP_SUPR 0x0040 /* 1=recv mgmt frames with not preamble */ 685 #define PHY_STAT_ANEG_ACK 0x0020 /* 1=ANEG has completed */ 686 #define PHY_STAT_REM_FLT 0x0010 /* 1=Remote Fault detected */ 687 #define PHY_STAT_CAP_ANEG 0x0008 /* 1=Auto negotiate capable */ 688 #define PHY_STAT_LINK 0x0004 /* 1=valid link */ 689 #define PHY_STAT_JAB 0x0002 /* 1=10Mbps jabber condition */ 690 #define PHY_STAT_EXREG 0x0001 /* 1=extended registers implemented */ 691 692 /* PHY Identifier Registers */ 693 #define PHY_ID1_REG 0x02 /* PHY Identifier 1 */ 694 #define PHY_ID2_REG 0x03 /* PHY Identifier 2 */ 695 696 /* PHY Auto-Negotiation Advertisement Register */ 697 #define PHY_AD_REG 0x04 698 #define PHY_AD_NP 0x8000 /* 1=PHY requests exchange of Next Page */ 699 #define PHY_AD_ACK 0x4000 /* 1=got link code word from remote */ 700 #define PHY_AD_RF 0x2000 /* 1=advertise remote fault */ 701 #define PHY_AD_T4 0x0200 /* 1=PHY is capable of 100Base-T4 */ 702 #define PHY_AD_TX_FDX 0x0100 /* 1=PHY is capable of 100Base-TX FDPLX */ 703 #define PHY_AD_TX_HDX 0x0080 /* 1=PHY is capable of 100Base-TX HDPLX */ 704 #define PHY_AD_10_FDX 0x0040 /* 1=PHY is capable of 10Base-T FDPLX */ 705 #define PHY_AD_10_HDX 0x0020 /* 1=PHY is capable of 10Base-T HDPLX */ 706 #define PHY_AD_CSMA 0x0001 /* 1=PHY is capable of 802.3 CMSA */ 707 708 /* PHY Auto-negotiation Remote End Capability Register */ 709 #define PHY_RMT_REG 0x05 710 /* Uses same bit definitions as PHY_AD_REG */ 711 712 /* PHY Configuration Register 1 */ 713 #define PHY_CFG1_REG 0x10 714 #define PHY_CFG1_LNKDIS 0x8000 /* 1=Rx Link Detect Function disabled */ 715 #define PHY_CFG1_XMTDIS 0x4000 /* 1=TP Transmitter Disabled */ 716 #define PHY_CFG1_XMTPDN 0x2000 /* 1=TP Transmitter Powered Down */ 717 #define PHY_CFG1_BYPSCR 0x0400 /* 1=Bypass scrambler/descrambler */ 718 #define PHY_CFG1_UNSCDS 0x0200 /* 1=Unscramble Idle Reception Disable */ 719 #define PHY_CFG1_EQLZR 0x0100 /* 1=Rx Equalizer Disabled */ 720 #define PHY_CFG1_CABLE 0x0080 /* 1=STP(150ohm), 0=UTP(100ohm) */ 721 #define PHY_CFG1_RLVL0 0x0040 /* 1=Rx Squelch level reduced by 4.5db */ 722 #define PHY_CFG1_TLVL_SHIFT 2 /* Transmit Output Level Adjust */ 723 #define PHY_CFG1_TLVL_MASK 0x003C 724 #define PHY_CFG1_TRF_MASK 0x0003 /* Transmitter Rise/Fall time */ 725 726 727 /* PHY Configuration Register 2 */ 728 #define PHY_CFG2_REG 0x11 729 #define PHY_CFG2_APOLDIS 0x0020 /* 1=Auto Polarity Correction disabled */ 730 #define PHY_CFG2_JABDIS 0x0010 /* 1=Jabber disabled */ 731 #define PHY_CFG2_MREG 0x0008 /* 1=Multiple register access (MII mgt) */ 732 #define PHY_CFG2_INTMDIO 0x0004 /* 1=Interrupt signaled with MDIO pulseo */ 733 734 /* PHY Status Output (and Interrupt status) Register */ 735 #define PHY_INT_REG 0x12 /* Status Output (Interrupt Status) */ 736 #define PHY_INT_INT 0x8000 /* 1=bits have changed since last read */ 737 #define PHY_INT_LNKFAIL 0x4000 /* 1=Link Not detected */ 738 #define PHY_INT_LOSSSYNC 0x2000 /* 1=Descrambler has lost sync */ 739 #define PHY_INT_CWRD 0x1000 /* 1=Invalid 4B5B code detected on rx */ 740 #define PHY_INT_SSD 0x0800 /* 1=No Start Of Stream detected on rx */ 741 #define PHY_INT_ESD 0x0400 /* 1=No End Of Stream detected on rx */ 742 #define PHY_INT_RPOL 0x0200 /* 1=Reverse Polarity detected */ 743 #define PHY_INT_JAB 0x0100 /* 1=Jabber detected */ 744 #define PHY_INT_SPDDET 0x0080 /* 1=100Base-TX mode, 0=10Base-T mode */ 745 #define PHY_INT_DPLXDET 0x0040 /* 1=Device in Full Duplex */ 746 747 /* PHY Interrupt/Status Mask Register */ 748 #define PHY_MASK_REG 0x13 /* Interrupt Mask */ 749 /* Uses the same bit definitions as PHY_INT_REG */ 750 751 752 /*------------------------------------------------------------------------- 753 . I define some macros to make it easier to do somewhat common 754 . or slightly complicated, repeated tasks. 755 --------------------------------------------------------------------------*/ 756 757 /* select a register bank, 0 to 3 */ 758 759 #define SMC_SELECT_BANK(a,x) { SMC_outw((a), (x), BANK_SELECT ); } 760 761 /* this enables an interrupt in the interrupt mask register */ 762 #define SMC_ENABLE_INT(a,x) {\ 763 unsigned char mask;\ 764 SMC_SELECT_BANK((a),2);\ 765 mask = SMC_inb((a), IM_REG );\ 766 mask |= (x);\ 767 SMC_outb( (a), mask, IM_REG ); \ 768 } 769 770 /* this disables an interrupt from the interrupt mask register */ 771 772 #define SMC_DISABLE_INT(a,x) {\ 773 unsigned char mask;\ 774 SMC_SELECT_BANK(2);\ 775 mask = SMC_inb( (a), IM_REG );\ 776 mask &= ~(x);\ 777 SMC_outb( (a), mask, IM_REG ); \ 778 } 779 780 /*---------------------------------------------------------------------- 781 . Define the interrupts that I want to receive from the card 782 . 783 . I want: 784 . IM_EPH_INT, for nasty errors 785 . IM_RCV_INT, for happy received packets 786 . IM_RX_OVRN_INT, because I have to kick the receiver 787 . IM_MDINT, for PHY Register 18 Status Changes 788 --------------------------------------------------------------------------*/ 789 #define SMC_INTERRUPT_MASK (IM_EPH_INT | IM_RX_OVRN_INT | IM_RCV_INT | \ 790 IM_MDINT) 791 792 #endif /* _SMC_91111_H_ */ 793