1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /*------------------------------------------------------------------------ 3 . smc91111.h - macros for the LAN91C111 Ethernet Driver 4 . 5 . (C) Copyright 2002 6 . Sysgo Real-Time Solutions, GmbH <www.elinos.com> 7 . Rolf Offermanns <rof@sysgo.de> 8 . Copyright (C) 2001 Standard Microsystems Corporation (SMSC) 9 . Developed by Simple Network Magic Corporation (SNMC) 10 . Copyright (C) 1996 by Erik Stahlman (ES) 11 . 12 . This file contains register information and access macros for 13 . the LAN91C111 single chip ethernet controller. It is a modified 14 . version of the smc9194.h file. 15 . 16 . Information contained in this file was obtained from the LAN91C111 17 . manual from SMC. To get a copy, if you really want one, you can find 18 . information under www.smsc.com. 19 . 20 . Authors 21 . Erik Stahlman ( erik@vt.edu ) 22 . Daris A Nevil ( dnevil@snmc.com ) 23 . 24 . History 25 . 03/16/01 Daris A Nevil Modified for use with LAN91C111 device 26 . 27 ---------------------------------------------------------------------------*/ 28 #ifndef _SMC91111_H_ 29 #define _SMC91111_H_ 30 31 #include <asm/types.h> 32 #include <config.h> 33 #include <net.h> 34 35 /* 36 * This function may be called by the board specific initialisation code 37 * in order to override the default mac address. 38 */ 39 40 void smc_set_mac_addr (const unsigned char *addr); 41 42 43 /* I want some simple types */ 44 45 typedef unsigned char byte; 46 typedef unsigned short word; 47 typedef unsigned long int dword; 48 49 struct smc91111_priv{ 50 u8 dev_num; 51 }; 52 53 /* 54 . DEBUGGING LEVELS 55 . 56 . 0 for normal operation 57 . 1 for slightly more details 58 . >2 for various levels of increasingly useless information 59 . 2 for interrupt tracking, status flags 60 . 3 for packet info 61 . 4 for complete packet dumps 62 */ 63 /*#define SMC_DEBUG 0 */ 64 65 /* Because of bank switching, the LAN91xxx uses only 16 I/O ports */ 66 67 #define SMC_IO_EXTENT 16 68 69 #ifdef CONFIG_CPU_PXA25X 70 71 #ifdef CONFIG_XSENGINE 72 #define SMC_inl(a,r) (*((volatile dword *)((a)->iobase+((r)<<1)))) 73 #define SMC_inw(a,r) (*((volatile word *)((a)->iobase+((r)<<1)))) 74 #define SMC_inb(a,p) ({ \ 75 unsigned int __p = (unsigned int)((a)->iobase + ((p)<<1)); \ 76 unsigned int __v = *(volatile unsigned short *)((__p) & ~2); \ 77 if (__p & 2) __v >>= 8; \ 78 else __v &= 0xff; \ 79 __v; }) 80 #else 81 #define SMC_inl(a,r) (*((volatile dword *)((a)->iobase+(r)))) 82 #define SMC_inw(a,r) (*((volatile word *)((a)->iobase+(r)))) 83 #define SMC_inb(a,p) ({ \ 84 unsigned int __p = (unsigned int)((a)->iobase + (p)); \ 85 unsigned int __v = *(volatile unsigned short *)((__p) & ~1); \ 86 if (__p & 1) __v >>= 8; \ 87 else __v &= 0xff; \ 88 __v; }) 89 #endif 90 91 #ifdef CONFIG_XSENGINE 92 #define SMC_outl(a,d,r) (*((volatile dword *)((a)->iobase+(r<<1))) = d) 93 #define SMC_outw(a,d,r) (*((volatile word *)((a)->iobase+(r<<1))) = d) 94 #else 95 #define SMC_outl(a,d,r) (*((volatile dword *)((a)->iobase+(r))) = d) 96 #define SMC_outw(a,d,r) (*((volatile word *)((a)->iobase+(r))) = d) 97 #endif 98 99 #define SMC_outb(a,d,r) ({ word __d = (byte)(d); \ 100 word __w = SMC_inw((a),(r)&~1); \ 101 __w &= ((r)&1) ? 0x00FF : 0xFF00; \ 102 __w |= ((r)&1) ? __d<<8 : __d; \ 103 SMC_outw((a),__w,(r)&~1); \ 104 }) 105 106 #define SMC_outsl(a,r,b,l) ({ int __i; \ 107 dword *__b2; \ 108 __b2 = (dword *) b; \ 109 for (__i = 0; __i < l; __i++) { \ 110 SMC_outl((a), *(__b2 + __i), r); \ 111 } \ 112 }) 113 114 #define SMC_outsw(a,r,b,l) ({ int __i; \ 115 word *__b2; \ 116 __b2 = (word *) b; \ 117 for (__i = 0; __i < l; __i++) { \ 118 SMC_outw((a), *(__b2 + __i), r); \ 119 } \ 120 }) 121 122 #define SMC_insl(a,r,b,l) ({ int __i ; \ 123 dword *__b2; \ 124 __b2 = (dword *) b; \ 125 for (__i = 0; __i < l; __i++) { \ 126 *(__b2 + __i) = SMC_inl((a),(r)); \ 127 SMC_inl((a),0); \ 128 }; \ 129 }) 130 131 #define SMC_insw(a,r,b,l) ({ int __i ; \ 132 word *__b2; \ 133 __b2 = (word *) b; \ 134 for (__i = 0; __i < l; __i++) { \ 135 *(__b2 + __i) = SMC_inw((a),(r)); \ 136 SMC_inw((a),0); \ 137 }; \ 138 }) 139 140 #define SMC_insb(a,r,b,l) ({ int __i ; \ 141 byte *__b2; \ 142 __b2 = (byte *) b; \ 143 for (__i = 0; __i < l; __i++) { \ 144 *(__b2 + __i) = SMC_inb((a),(r)); \ 145 SMC_inb((a),0); \ 146 }; \ 147 }) 148 149 #elif defined(CONFIG_LEON) /* if not CONFIG_CPU_PXA25X */ 150 151 #define SMC_LEON_SWAP16(_x_) ({ word _x = (_x_); ((_x << 8) | (_x >> 8)); }) 152 153 #define SMC_LEON_SWAP32(_x_) \ 154 ({ dword _x = (_x_); \ 155 ((_x << 24) | \ 156 ((0x0000FF00UL & _x) << 8) | \ 157 ((0x00FF0000UL & _x) >> 8) | \ 158 (_x >> 24)); }) 159 160 #define SMC_inl(a,r) (SMC_LEON_SWAP32((*(volatile dword *)((a)->iobase+((r)<<0))))) 161 #define SMC_inl_nosw(a,r) ((*(volatile dword *)((a)->iobase+((r)<<0)))) 162 #define SMC_inw(a,r) (SMC_LEON_SWAP16((*(volatile word *)((a)->iobase+((r)<<0))))) 163 #define SMC_inw_nosw(a,r) ((*(volatile word *)((a)->iobase+((r)<<0)))) 164 #define SMC_inb(a,p) ({ \ 165 word ___v = SMC_inw((a),(p) & ~1); \ 166 if ((p) & 1) ___v >>= 8; \ 167 else ___v &= 0xff; \ 168 ___v; }) 169 170 #define SMC_outl(a,d,r) (*(volatile dword *)((a)->iobase+((r)<<0))=SMC_LEON_SWAP32(d)) 171 #define SMC_outl_nosw(a,d,r) (*(volatile dword *)((a)->iobase+((r)<<0))=(d)) 172 #define SMC_outw(a,d,r) (*(volatile word *)((a)->iobase+((r)<<0))=SMC_LEON_SWAP16(d)) 173 #define SMC_outw_nosw(a,d,r) (*(volatile word *)((a)->iobase+((r)<<0))=(d)) 174 #define SMC_outb(a,d,r) do{ word __d = (byte)(d); \ 175 word __w = SMC_inw((a),(r)&~1); \ 176 __w &= ((r)&1) ? 0x00FF : 0xFF00; \ 177 __w |= ((r)&1) ? __d<<8 : __d; \ 178 SMC_outw((a),__w,(r)&~1); \ 179 }while(0) 180 #define SMC_outsl(a,r,b,l) do{ int __i; \ 181 dword *__b2; \ 182 __b2 = (dword *) b; \ 183 for (__i = 0; __i < l; __i++) { \ 184 SMC_outl_nosw((a), *(__b2 + __i), r); \ 185 } \ 186 }while(0) 187 #define SMC_outsw(a,r,b,l) do{ int __i; \ 188 word *__b2; \ 189 __b2 = (word *) b; \ 190 for (__i = 0; __i < l; __i++) { \ 191 SMC_outw_nosw((a), *(__b2 + __i), r); \ 192 } \ 193 }while(0) 194 #define SMC_insl(a,r,b,l) do{ int __i ; \ 195 dword *__b2; \ 196 __b2 = (dword *) b; \ 197 for (__i = 0; __i < l; __i++) { \ 198 *(__b2 + __i) = SMC_inl_nosw((a),(r)); \ 199 }; \ 200 }while(0) 201 202 #define SMC_insw(a,r,b,l) do{ int __i ; \ 203 word *__b2; \ 204 __b2 = (word *) b; \ 205 for (__i = 0; __i < l; __i++) { \ 206 *(__b2 + __i) = SMC_inw_nosw((a),(r)); \ 207 }; \ 208 }while(0) 209 210 #define SMC_insb(a,r,b,l) do{ int __i ; \ 211 byte *__b2; \ 212 __b2 = (byte *) b; \ 213 for (__i = 0; __i < l; __i++) { \ 214 *(__b2 + __i) = SMC_inb((a),(r)); \ 215 }; \ 216 }while(0) 217 #elif defined(CONFIG_MS7206SE) 218 #define SWAB7206(x) ({ word __x = x; ((__x << 8)|(__x >> 8)); }) 219 #define SMC_inw(a, r) *((volatile word*)((a)->iobase + (r))) 220 #define SMC_inb(a, r) (*((volatile byte*)((a)->iobase + ((r) ^ 0x01)))) 221 #define SMC_insw(a, r, b, l) \ 222 do { \ 223 int __i; \ 224 word *__b2 = (word *)(b); \ 225 for (__i = 0; __i < (l); __i++) { \ 226 *__b2++ = SWAB7206(SMC_inw(a, r)); \ 227 } \ 228 } while (0) 229 #define SMC_outw(a, d, r) (*((volatile word *)((a)->iobase+(r))) = d) 230 #define SMC_outb(a, d, r) ({ word __d = (byte)(d); \ 231 word __w = SMC_inw((a), ((r)&(~1))); \ 232 if (((r) & 1)) \ 233 __w = (__w & 0x00ff) | (__d << 8); \ 234 else \ 235 __w = (__w & 0xff00) | (__d); \ 236 SMC_outw((a), __w, ((r)&(~1))); \ 237 }) 238 #define SMC_outsw(a, r, b, l) \ 239 do { \ 240 int __i; \ 241 word *__b2 = (word *)(b); \ 242 for (__i = 0; __i < (l); __i++) { \ 243 SMC_outw(a, SWAB7206(*__b2), r); \ 244 __b2++; \ 245 } \ 246 } while (0) 247 #else /* if not CONFIG_CPU_PXA25X and not CONFIG_LEON */ 248 249 #ifndef CONFIG_SMC_USE_IOFUNCS /* these macros don't work on some boards */ 250 /* 251 * We have only 16 Bit PCMCIA access on Socket 0 252 */ 253 254 #ifdef CONFIG_ADNPESC1 255 #define SMC_inw(a,r) (*((volatile word *)((a)->iobase+((r)<<1)))) 256 #elif CONFIG_ARM64 257 #define SMC_inw(a, r) (*((volatile word*)((a)->iobase+((dword)(r))))) 258 #else 259 #define SMC_inw(a, r) (*((volatile word*)((a)->iobase+(r)))) 260 #endif 261 #define SMC_inb(a,r) (((r)&1) ? SMC_inw((a),(r)&~1)>>8 : SMC_inw((a),(r)&0xFF)) 262 263 #ifdef CONFIG_ADNPESC1 264 #define SMC_outw(a,d,r) (*((volatile word *)((a)->iobase+((r)<<1))) = d) 265 #elif CONFIG_ARM64 266 #define SMC_outw(a, d, r) \ 267 (*((volatile word*)((a)->iobase+((dword)(r)))) = d) 268 #else 269 #define SMC_outw(a, d, r) \ 270 (*((volatile word*)((a)->iobase+(r))) = d) 271 #endif 272 #define SMC_outb(a,d,r) ({ word __d = (byte)(d); \ 273 word __w = SMC_inw((a),(r)&~1); \ 274 __w &= ((r)&1) ? 0x00FF : 0xFF00; \ 275 __w |= ((r)&1) ? __d<<8 : __d; \ 276 SMC_outw((a),__w,(r)&~1); \ 277 }) 278 #if 0 279 #define SMC_outsw(a,r,b,l) outsw((a)->iobase+(r), (b), (l)) 280 #else 281 #define SMC_outsw(a,r,b,l) ({ int __i; \ 282 word *__b2; \ 283 __b2 = (word *) b; \ 284 for (__i = 0; __i < l; __i++) { \ 285 SMC_outw((a), *(__b2 + __i), r); \ 286 } \ 287 }) 288 #endif 289 290 #if 0 291 #define SMC_insw(a,r,b,l) insw((a)->iobase+(r), (b), (l)) 292 #else 293 #define SMC_insw(a,r,b,l) ({ int __i ; \ 294 word *__b2; \ 295 __b2 = (word *) b; \ 296 for (__i = 0; __i < l; __i++) { \ 297 *(__b2 + __i) = SMC_inw((a),(r)); \ 298 SMC_inw((a),0); \ 299 }; \ 300 }) 301 #endif 302 303 #endif /* CONFIG_SMC_USE_IOFUNCS */ 304 305 #if defined(CONFIG_SMC_USE_32_BIT) 306 307 #ifdef CONFIG_XSENGINE 308 #define SMC_inl(a,r) (*((volatile dword *)((a)->iobase+(r<<1)))) 309 #else 310 #define SMC_inl(a,r) (*((volatile dword *)((a)->iobase+(r)))) 311 #endif 312 313 #define SMC_insl(a,r,b,l) ({ int __i ; \ 314 dword *__b2; \ 315 __b2 = (dword *) b; \ 316 for (__i = 0; __i < l; __i++) { \ 317 *(__b2 + __i) = SMC_inl((a),(r)); \ 318 SMC_inl((a),0); \ 319 }; \ 320 }) 321 322 #ifdef CONFIG_XSENGINE 323 #define SMC_outl(a,d,r) (*((volatile dword *)((a)->iobase+(r<<1))) = d) 324 #else 325 #define SMC_outl(a,d,r) (*((volatile dword *)((a)->iobase+(r))) = d) 326 #endif 327 #define SMC_outsl(a,r,b,l) ({ int __i; \ 328 dword *__b2; \ 329 __b2 = (dword *) b; \ 330 for (__i = 0; __i < l; __i++) { \ 331 SMC_outl((a), *(__b2 + __i), r); \ 332 } \ 333 }) 334 335 #endif /* CONFIG_SMC_USE_32_BIT */ 336 337 #endif 338 339 /*--------------------------------------------------------------- 340 . 341 . A description of the SMSC registers is probably in order here, 342 . although for details, the SMC datasheet is invaluable. 343 . 344 . Basically, the chip has 4 banks of registers ( 0 to 3 ), which 345 . are accessed by writing a number into the BANK_SELECT register 346 . ( I also use a SMC_SELECT_BANK macro for this ). 347 . 348 . The banks are configured so that for most purposes, bank 2 is all 349 . that is needed for simple run time tasks. 350 -----------------------------------------------------------------------*/ 351 352 /* 353 . Bank Select Register: 354 . 355 . yyyy yyyy 0000 00xx 356 . xx = bank number 357 . yyyy yyyy = 0x33, for identification purposes. 358 */ 359 #define BANK_SELECT 14 360 361 /* Transmit Control Register */ 362 /* BANK 0 */ 363 #define TCR_REG 0x0000 /* transmit control register */ 364 #define TCR_ENABLE 0x0001 /* When 1 we can transmit */ 365 #define TCR_LOOP 0x0002 /* Controls output pin LBK */ 366 #define TCR_FORCOL 0x0004 /* When 1 will force a collision */ 367 #define TCR_PAD_EN 0x0080 /* When 1 will pad tx frames < 64 bytes w/0 */ 368 #define TCR_NOCRC 0x0100 /* When 1 will not append CRC to tx frames */ 369 #define TCR_MON_CSN 0x0400 /* When 1 tx monitors carrier */ 370 #define TCR_FDUPLX 0x0800 /* When 1 enables full duplex operation */ 371 #define TCR_STP_SQET 0x1000 /* When 1 stops tx if Signal Quality Error */ 372 #define TCR_EPH_LOOP 0x2000 /* When 1 enables EPH block loopback */ 373 #define TCR_SWFDUP 0x8000 /* When 1 enables Switched Full Duplex mode */ 374 375 #define TCR_CLEAR 0 /* do NOTHING */ 376 /* the default settings for the TCR register : */ 377 /* QUESTION: do I want to enable padding of short packets ? */ 378 #define TCR_DEFAULT TCR_ENABLE 379 380 381 /* EPH Status Register */ 382 /* BANK 0 */ 383 #define EPH_STATUS_REG 0x0002 384 #define ES_TX_SUC 0x0001 /* Last TX was successful */ 385 #define ES_SNGL_COL 0x0002 /* Single collision detected for last tx */ 386 #define ES_MUL_COL 0x0004 /* Multiple collisions detected for last tx */ 387 #define ES_LTX_MULT 0x0008 /* Last tx was a multicast */ 388 #define ES_16COL 0x0010 /* 16 Collisions Reached */ 389 #define ES_SQET 0x0020 /* Signal Quality Error Test */ 390 #define ES_LTXBRD 0x0040 /* Last tx was a broadcast */ 391 #define ES_TXDEFR 0x0080 /* Transmit Deferred */ 392 #define ES_LATCOL 0x0200 /* Late collision detected on last tx */ 393 #define ES_LOSTCARR 0x0400 /* Lost Carrier Sense */ 394 #define ES_EXC_DEF 0x0800 /* Excessive Deferral */ 395 #define ES_CTR_ROL 0x1000 /* Counter Roll Over indication */ 396 #define ES_LINK_OK 0x4000 /* Driven by inverted value of nLNK pin */ 397 #define ES_TXUNRN 0x8000 /* Tx Underrun */ 398 399 400 /* Receive Control Register */ 401 /* BANK 0 */ 402 #define RCR_REG 0x0004 403 #define RCR_RX_ABORT 0x0001 /* Set if a rx frame was aborted */ 404 #define RCR_PRMS 0x0002 /* Enable promiscuous mode */ 405 #define RCR_ALMUL 0x0004 /* When set accepts all multicast frames */ 406 #define RCR_RXEN 0x0100 /* IFF this is set, we can receive packets */ 407 #define RCR_STRIP_CRC 0x0200 /* When set strips CRC from rx packets */ 408 #define RCR_ABORT_ENB 0x0200 /* When set will abort rx on collision */ 409 #define RCR_FILT_CAR 0x0400 /* When set filters leading 12 bit s of carrier */ 410 #define RCR_SOFTRST 0x8000 /* resets the chip */ 411 412 /* the normal settings for the RCR register : */ 413 #define RCR_DEFAULT (RCR_STRIP_CRC | RCR_RXEN) 414 #define RCR_CLEAR 0x0 /* set it to a base state */ 415 416 /* Counter Register */ 417 /* BANK 0 */ 418 #define COUNTER_REG 0x0006 419 420 /* Memory Information Register */ 421 /* BANK 0 */ 422 #define MIR_REG 0x0008 423 424 /* Receive/Phy Control Register */ 425 /* BANK 0 */ 426 #define RPC_REG 0x000A 427 #define RPC_SPEED 0x2000 /* When 1 PHY is in 100Mbps mode. */ 428 #define RPC_DPLX 0x1000 /* When 1 PHY is in Full-Duplex Mode */ 429 #define RPC_ANEG 0x0800 /* When 1 PHY is in Auto-Negotiate Mode */ 430 #define RPC_LSXA_SHFT 5 /* Bits to shift LS2A,LS1A,LS0A to lsb */ 431 #define RPC_LSXB_SHFT 2 /* Bits to get LS2B,LS1B,LS0B to lsb */ 432 #define RPC_LED_100_10 (0x00) /* LED = 100Mbps OR's with 10Mbps link detect */ 433 #define RPC_LED_RES (0x01) /* LED = Reserved */ 434 #define RPC_LED_10 (0x02) /* LED = 10Mbps link detect */ 435 #define RPC_LED_FD (0x03) /* LED = Full Duplex Mode */ 436 #define RPC_LED_TX_RX (0x04) /* LED = TX or RX packet occurred */ 437 #define RPC_LED_100 (0x05) /* LED = 100Mbps link dectect */ 438 #define RPC_LED_TX (0x06) /* LED = TX packet occurred */ 439 #define RPC_LED_RX (0x07) /* LED = RX packet occurred */ 440 #if defined(CONFIG_DK1C20) || defined(CONFIG_DK1S10) 441 /* buggy schematic: LEDa -> yellow, LEDb --> green */ 442 #define RPC_DEFAULT ( RPC_SPEED | RPC_DPLX | RPC_ANEG \ 443 | (RPC_LED_TX_RX << RPC_LSXA_SHFT) \ 444 | (RPC_LED_100_10 << RPC_LSXB_SHFT) ) 445 #elif defined(CONFIG_ADNPESC1) 446 /* SSV ADNP/ESC1 has only one LED: LEDa -> Rx/Tx indicator */ 447 #define RPC_DEFAULT ( RPC_SPEED | RPC_DPLX | RPC_ANEG \ 448 | (RPC_LED_TX_RX << RPC_LSXA_SHFT) \ 449 | (RPC_LED_100_10 << RPC_LSXB_SHFT) ) 450 #else 451 /* SMSC reference design: LEDa --> green, LEDb --> yellow */ 452 #define RPC_DEFAULT ( RPC_SPEED | RPC_DPLX | RPC_ANEG \ 453 | (RPC_LED_100_10 << RPC_LSXA_SHFT) \ 454 | (RPC_LED_TX_RX << RPC_LSXB_SHFT) ) 455 #endif 456 457 /* Bank 0 0x000C is reserved */ 458 459 /* Bank Select Register */ 460 /* All Banks */ 461 #define BSR_REG 0x000E 462 463 464 /* Configuration Reg */ 465 /* BANK 1 */ 466 #define CONFIG_REG 0x0000 467 #define CONFIG_EXT_PHY 0x0200 /* 1=external MII, 0=internal Phy */ 468 #define CONFIG_GPCNTRL 0x0400 /* Inverse value drives pin nCNTRL */ 469 #define CONFIG_NO_WAIT 0x1000 /* When 1 no extra wait states on ISA bus */ 470 #define CONFIG_EPH_POWER_EN 0x8000 /* When 0 EPH is placed into low power mode. */ 471 472 /* Default is powered-up, Internal Phy, Wait States, and pin nCNTRL=low */ 473 #define CONFIG_DEFAULT (CONFIG_EPH_POWER_EN) 474 475 476 /* Base Address Register */ 477 /* BANK 1 */ 478 #define BASE_REG 0x0002 479 480 481 /* Individual Address Registers */ 482 /* BANK 1 */ 483 #define ADDR0_REG 0x0004 484 #define ADDR1_REG 0x0006 485 #define ADDR2_REG 0x0008 486 487 488 /* General Purpose Register */ 489 /* BANK 1 */ 490 #define GP_REG 0x000A 491 492 493 /* Control Register */ 494 /* BANK 1 */ 495 #define CTL_REG 0x000C 496 #define CTL_RCV_BAD 0x4000 /* When 1 bad CRC packets are received */ 497 #define CTL_AUTO_RELEASE 0x0800 /* When 1 tx pages are released automatically */ 498 #define CTL_LE_ENABLE 0x0080 /* When 1 enables Link Error interrupt */ 499 #define CTL_CR_ENABLE 0x0040 /* When 1 enables Counter Rollover interrupt */ 500 #define CTL_TE_ENABLE 0x0020 /* When 1 enables Transmit Error interrupt */ 501 #define CTL_EEPROM_SELECT 0x0004 /* Controls EEPROM reload & store */ 502 #define CTL_RELOAD 0x0002 /* When set reads EEPROM into registers */ 503 #define CTL_STORE 0x0001 /* When set stores registers into EEPROM */ 504 #define CTL_DEFAULT (0x1A10) /* Autorelease enabled*/ 505 506 /* MMU Command Register */ 507 /* BANK 2 */ 508 #define MMU_CMD_REG 0x0000 509 #define MC_BUSY 1 /* When 1 the last release has not completed */ 510 #define MC_NOP (0<<5) /* No Op */ 511 #define MC_ALLOC (1<<5) /* OR with number of 256 byte packets */ 512 #define MC_RESET (2<<5) /* Reset MMU to initial state */ 513 #define MC_REMOVE (3<<5) /* Remove the current rx packet */ 514 #define MC_RELEASE (4<<5) /* Remove and release the current rx packet */ 515 #define MC_FREEPKT (5<<5) /* Release packet in PNR register */ 516 #define MC_ENQUEUE (6<<5) /* Enqueue the packet for transmit */ 517 #define MC_RSTTXFIFO (7<<5) /* Reset the TX FIFOs */ 518 519 520 /* Packet Number Register */ 521 /* BANK 2 */ 522 #define PN_REG 0x0002 523 524 525 /* Allocation Result Register */ 526 /* BANK 2 */ 527 #define AR_REG 0x0003 528 #define AR_FAILED 0x80 /* Alocation Failed */ 529 530 531 /* RX FIFO Ports Register */ 532 /* BANK 2 */ 533 #define RXFIFO_REG 0x0004 /* Must be read as a word */ 534 #define RXFIFO_REMPTY 0x8000 /* RX FIFO Empty */ 535 536 537 /* TX FIFO Ports Register */ 538 /* BANK 2 */ 539 #define TXFIFO_REG RXFIFO_REG /* Must be read as a word */ 540 #define TXFIFO_TEMPTY 0x80 /* TX FIFO Empty */ 541 542 543 /* Pointer Register */ 544 /* BANK 2 */ 545 #define PTR_REG 0x0006 546 #define PTR_RCV 0x8000 /* 1=Receive area, 0=Transmit area */ 547 #define PTR_AUTOINC 0x4000 /* Auto increment the pointer on each access */ 548 #define PTR_READ 0x2000 /* When 1 the operation is a read */ 549 #define PTR_NOTEMPTY 0x0800 /* When 1 _do not_ write fifo DATA REG */ 550 551 552 /* Data Register */ 553 /* BANK 2 */ 554 #define SMC91111_DATA_REG 0x0008 555 556 557 /* Interrupt Status/Acknowledge Register */ 558 /* BANK 2 */ 559 #define SMC91111_INT_REG 0x000C 560 561 562 /* Interrupt Mask Register */ 563 /* BANK 2 */ 564 #define IM_REG 0x000D 565 #define IM_MDINT 0x80 /* PHY MI Register 18 Interrupt */ 566 #define IM_ERCV_INT 0x40 /* Early Receive Interrupt */ 567 #define IM_EPH_INT 0x20 /* Set by Etheret Protocol Handler section */ 568 #define IM_RX_OVRN_INT 0x10 /* Set by Receiver Overruns */ 569 #define IM_ALLOC_INT 0x08 /* Set when allocation request is completed */ 570 #define IM_TX_EMPTY_INT 0x04 /* Set if the TX FIFO goes empty */ 571 #define IM_TX_INT 0x02 /* Transmit Interrrupt */ 572 #define IM_RCV_INT 0x01 /* Receive Interrupt */ 573 574 575 /* Multicast Table Registers */ 576 /* BANK 3 */ 577 #define MCAST_REG1 0x0000 578 #define MCAST_REG2 0x0002 579 #define MCAST_REG3 0x0004 580 #define MCAST_REG4 0x0006 581 582 583 /* Management Interface Register (MII) */ 584 /* BANK 3 */ 585 #define MII_REG 0x0008 586 #define MII_MSK_CRS100 0x4000 /* Disables CRS100 detection during tx half dup */ 587 #define MII_MDOE 0x0008 /* MII Output Enable */ 588 #define MII_MCLK 0x0004 /* MII Clock, pin MDCLK */ 589 #define MII_MDI 0x0002 /* MII Input, pin MDI */ 590 #define MII_MDO 0x0001 /* MII Output, pin MDO */ 591 592 593 /* Revision Register */ 594 /* BANK 3 */ 595 #define REV_REG 0x000A /* ( hi: chip id low: rev # ) */ 596 597 598 /* Early RCV Register */ 599 /* BANK 3 */ 600 /* this is NOT on SMC9192 */ 601 #define ERCV_REG 0x000C 602 #define ERCV_RCV_DISCRD 0x0080 /* When 1 discards a packet being received */ 603 #define ERCV_THRESHOLD 0x001F /* ERCV Threshold Mask */ 604 605 /* External Register */ 606 /* BANK 7 */ 607 #define EXT_REG 0x0000 608 609 610 #define CHIP_9192 3 611 #define CHIP_9194 4 612 #define CHIP_9195 5 613 #define CHIP_9196 6 614 #define CHIP_91100 7 615 #define CHIP_91100FD 8 616 #define CHIP_91111FD 9 617 618 #if 0 619 static const char * chip_ids[ 15 ] = { 620 NULL, NULL, NULL, 621 /* 3 */ "SMC91C90/91C92", 622 /* 4 */ "SMC91C94", 623 /* 5 */ "SMC91C95", 624 /* 6 */ "SMC91C96", 625 /* 7 */ "SMC91C100", 626 /* 8 */ "SMC91C100FD", 627 /* 9 */ "SMC91C111", 628 NULL, NULL, 629 NULL, NULL, NULL}; 630 #endif 631 632 /* 633 . Transmit status bits 634 */ 635 #define TS_SUCCESS 0x0001 636 #define TS_LOSTCAR 0x0400 637 #define TS_LATCOL 0x0200 638 #define TS_16COL 0x0010 639 640 /* 641 . Receive status bits 642 */ 643 #define RS_ALGNERR 0x8000 644 #define RS_BRODCAST 0x4000 645 #define RS_BADCRC 0x2000 646 #define RS_ODDFRAME 0x1000 /* bug: the LAN91C111 never sets this on receive */ 647 #define RS_TOOLONG 0x0800 648 #define RS_TOOSHORT 0x0400 649 #define RS_MULTICAST 0x0001 650 #define RS_ERRORS (RS_ALGNERR | RS_BADCRC | RS_TOOLONG | RS_TOOSHORT) 651 652 653 /* PHY Types */ 654 enum { 655 PHY_LAN83C183 = 1, /* LAN91C111 Internal PHY */ 656 PHY_LAN83C180 657 }; 658 659 660 /* PHY Register Addresses (LAN91C111 Internal PHY) */ 661 662 /* PHY Control Register */ 663 #define PHY_CNTL_REG 0x00 664 #define PHY_CNTL_RST 0x8000 /* 1=PHY Reset */ 665 #define PHY_CNTL_LPBK 0x4000 /* 1=PHY Loopback */ 666 #define PHY_CNTL_SPEED 0x2000 /* 1=100Mbps, 0=10Mpbs */ 667 #define PHY_CNTL_ANEG_EN 0x1000 /* 1=Enable Auto negotiation */ 668 #define PHY_CNTL_PDN 0x0800 /* 1=PHY Power Down mode */ 669 #define PHY_CNTL_MII_DIS 0x0400 /* 1=MII 4 bit interface disabled */ 670 #define PHY_CNTL_ANEG_RST 0x0200 /* 1=Reset Auto negotiate */ 671 #define PHY_CNTL_DPLX 0x0100 /* 1=Full Duplex, 0=Half Duplex */ 672 #define PHY_CNTL_COLTST 0x0080 /* 1= MII Colision Test */ 673 674 /* PHY Status Register */ 675 #define PHY_STAT_REG 0x01 676 #define PHY_STAT_CAP_T4 0x8000 /* 1=100Base-T4 capable */ 677 #define PHY_STAT_CAP_TXF 0x4000 /* 1=100Base-X full duplex capable */ 678 #define PHY_STAT_CAP_TXH 0x2000 /* 1=100Base-X half duplex capable */ 679 #define PHY_STAT_CAP_TF 0x1000 /* 1=10Mbps full duplex capable */ 680 #define PHY_STAT_CAP_TH 0x0800 /* 1=10Mbps half duplex capable */ 681 #define PHY_STAT_CAP_SUPR 0x0040 /* 1=recv mgmt frames with not preamble */ 682 #define PHY_STAT_ANEG_ACK 0x0020 /* 1=ANEG has completed */ 683 #define PHY_STAT_REM_FLT 0x0010 /* 1=Remote Fault detected */ 684 #define PHY_STAT_CAP_ANEG 0x0008 /* 1=Auto negotiate capable */ 685 #define PHY_STAT_LINK 0x0004 /* 1=valid link */ 686 #define PHY_STAT_JAB 0x0002 /* 1=10Mbps jabber condition */ 687 #define PHY_STAT_EXREG 0x0001 /* 1=extended registers implemented */ 688 689 /* PHY Identifier Registers */ 690 #define PHY_ID1_REG 0x02 /* PHY Identifier 1 */ 691 #define PHY_ID2_REG 0x03 /* PHY Identifier 2 */ 692 693 /* PHY Auto-Negotiation Advertisement Register */ 694 #define PHY_AD_REG 0x04 695 #define PHY_AD_NP 0x8000 /* 1=PHY requests exchange of Next Page */ 696 #define PHY_AD_ACK 0x4000 /* 1=got link code word from remote */ 697 #define PHY_AD_RF 0x2000 /* 1=advertise remote fault */ 698 #define PHY_AD_T4 0x0200 /* 1=PHY is capable of 100Base-T4 */ 699 #define PHY_AD_TX_FDX 0x0100 /* 1=PHY is capable of 100Base-TX FDPLX */ 700 #define PHY_AD_TX_HDX 0x0080 /* 1=PHY is capable of 100Base-TX HDPLX */ 701 #define PHY_AD_10_FDX 0x0040 /* 1=PHY is capable of 10Base-T FDPLX */ 702 #define PHY_AD_10_HDX 0x0020 /* 1=PHY is capable of 10Base-T HDPLX */ 703 #define PHY_AD_CSMA 0x0001 /* 1=PHY is capable of 802.3 CMSA */ 704 705 /* PHY Auto-negotiation Remote End Capability Register */ 706 #define PHY_RMT_REG 0x05 707 /* Uses same bit definitions as PHY_AD_REG */ 708 709 /* PHY Configuration Register 1 */ 710 #define PHY_CFG1_REG 0x10 711 #define PHY_CFG1_LNKDIS 0x8000 /* 1=Rx Link Detect Function disabled */ 712 #define PHY_CFG1_XMTDIS 0x4000 /* 1=TP Transmitter Disabled */ 713 #define PHY_CFG1_XMTPDN 0x2000 /* 1=TP Transmitter Powered Down */ 714 #define PHY_CFG1_BYPSCR 0x0400 /* 1=Bypass scrambler/descrambler */ 715 #define PHY_CFG1_UNSCDS 0x0200 /* 1=Unscramble Idle Reception Disable */ 716 #define PHY_CFG1_EQLZR 0x0100 /* 1=Rx Equalizer Disabled */ 717 #define PHY_CFG1_CABLE 0x0080 /* 1=STP(150ohm), 0=UTP(100ohm) */ 718 #define PHY_CFG1_RLVL0 0x0040 /* 1=Rx Squelch level reduced by 4.5db */ 719 #define PHY_CFG1_TLVL_SHIFT 2 /* Transmit Output Level Adjust */ 720 #define PHY_CFG1_TLVL_MASK 0x003C 721 #define PHY_CFG1_TRF_MASK 0x0003 /* Transmitter Rise/Fall time */ 722 723 724 /* PHY Configuration Register 2 */ 725 #define PHY_CFG2_REG 0x11 726 #define PHY_CFG2_APOLDIS 0x0020 /* 1=Auto Polarity Correction disabled */ 727 #define PHY_CFG2_JABDIS 0x0010 /* 1=Jabber disabled */ 728 #define PHY_CFG2_MREG 0x0008 /* 1=Multiple register access (MII mgt) */ 729 #define PHY_CFG2_INTMDIO 0x0004 /* 1=Interrupt signaled with MDIO pulseo */ 730 731 /* PHY Status Output (and Interrupt status) Register */ 732 #define PHY_INT_REG 0x12 /* Status Output (Interrupt Status) */ 733 #define PHY_INT_INT 0x8000 /* 1=bits have changed since last read */ 734 #define PHY_INT_LNKFAIL 0x4000 /* 1=Link Not detected */ 735 #define PHY_INT_LOSSSYNC 0x2000 /* 1=Descrambler has lost sync */ 736 #define PHY_INT_CWRD 0x1000 /* 1=Invalid 4B5B code detected on rx */ 737 #define PHY_INT_SSD 0x0800 /* 1=No Start Of Stream detected on rx */ 738 #define PHY_INT_ESD 0x0400 /* 1=No End Of Stream detected on rx */ 739 #define PHY_INT_RPOL 0x0200 /* 1=Reverse Polarity detected */ 740 #define PHY_INT_JAB 0x0100 /* 1=Jabber detected */ 741 #define PHY_INT_SPDDET 0x0080 /* 1=100Base-TX mode, 0=10Base-T mode */ 742 #define PHY_INT_DPLXDET 0x0040 /* 1=Device in Full Duplex */ 743 744 /* PHY Interrupt/Status Mask Register */ 745 #define PHY_MASK_REG 0x13 /* Interrupt Mask */ 746 /* Uses the same bit definitions as PHY_INT_REG */ 747 748 749 /*------------------------------------------------------------------------- 750 . I define some macros to make it easier to do somewhat common 751 . or slightly complicated, repeated tasks. 752 --------------------------------------------------------------------------*/ 753 754 /* select a register bank, 0 to 3 */ 755 756 #define SMC_SELECT_BANK(a,x) { SMC_outw((a), (x), BANK_SELECT ); } 757 758 /* this enables an interrupt in the interrupt mask register */ 759 #define SMC_ENABLE_INT(a,x) {\ 760 unsigned char mask;\ 761 SMC_SELECT_BANK((a),2);\ 762 mask = SMC_inb((a), IM_REG );\ 763 mask |= (x);\ 764 SMC_outb( (a), mask, IM_REG ); \ 765 } 766 767 /* this disables an interrupt from the interrupt mask register */ 768 769 #define SMC_DISABLE_INT(a,x) {\ 770 unsigned char mask;\ 771 SMC_SELECT_BANK(2);\ 772 mask = SMC_inb( (a), IM_REG );\ 773 mask &= ~(x);\ 774 SMC_outb( (a), mask, IM_REG ); \ 775 } 776 777 /*---------------------------------------------------------------------- 778 . Define the interrupts that I want to receive from the card 779 . 780 . I want: 781 . IM_EPH_INT, for nasty errors 782 . IM_RCV_INT, for happy received packets 783 . IM_RX_OVRN_INT, because I have to kick the receiver 784 . IM_MDINT, for PHY Register 18 Status Changes 785 --------------------------------------------------------------------------*/ 786 #define SMC_INTERRUPT_MASK (IM_EPH_INT | IM_RX_OVRN_INT | IM_RCV_INT | \ 787 IM_MDINT) 788 789 #endif /* _SMC_91111_H_ */ 790