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