1 /*------------------------------------------------------------------------
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)
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.
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.
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
25 * This file contains register information and access macros for
26 * the LAN91C96 single chip ethernet controller. It is a modified
27 * version of the smc9111.h file.
29 * Information contained in this file was obtained from the LAN91C96
30 * manual from SMC. To get a copy, if you really want one, you can find
31 * information under www.smsc.com.
34 * Erik Stahlman ( erik@vt.edu )
35 * Daris A Nevil ( dnevil@snmc.com )
38 * 04/30/03 Mathijs Haarman Modified smc91111.h (u-boot version)
40 *-------------------------------------------------------------------------
45 #include <asm/types.h>
50 * This function may be called by the board specific initialisation code
51 * in order to override the default mac address.
54 void smc_set_mac_addr(const unsigned char *addr);
57 /* I want some simple types */
59 typedef unsigned char byte;
60 typedef unsigned short word;
61 typedef unsigned long int dword;
66 * 0 for normal operation
67 * 1 for slightly more details
68 * >2 for various levels of increasingly useless information
69 * 2 for interrupt tracking, status flags
71 * 4 for complete packet dumps
73 /*#define SMC_DEBUG 0 */
75 /* Because of bank switching, the LAN91xxx uses only 16 I/O ports */
77 #define SMC_IO_EXTENT 16
82 #define SMC_IO_SHIFT 2
86 #define SMC_IO_SHIFT 0
89 #define SMCREG(r) (SMC_BASE_ADDRESS+((r)<<SMC_IO_SHIFT))
91 #define SMC_inl(r) (*((volatile dword *)SMCREG(r)))
92 #define SMC_inw(r) (*((volatile word *)SMCREG(r)))
93 #define SMC_inb(p) ({ \
94 unsigned int __p = p; \
95 unsigned int __v = SMC_inw(__p & ~1); \
96 if (__p & 1) __v >>= 8; \
100 #define SMC_outl(d,r) (*((volatile dword *)SMCREG(r)) = d)
101 #define SMC_outw(d,r) (*((volatile word *)SMCREG(r)) = d)
102 #define SMC_outb(d,r) ({ word __d = (byte)(d); \
103 word __w = SMC_inw((r)&~1); \
104 __w &= ((r)&1) ? 0x00FF : 0xFF00; \
105 __w |= ((r)&1) ? __d<<8 : __d; \
106 SMC_outw(__w,(r)&~1); \
109 #define SMC_outsl(r,b,l) ({ int __i; \
111 __b2 = (dword *) b; \
112 for (__i = 0; __i < l; __i++) { \
113 SMC_outl( *(__b2 + __i), r ); \
117 #define SMC_outsw(r,b,l) ({ int __i; \
120 for (__i = 0; __i < l; __i++) { \
121 SMC_outw( *(__b2 + __i), r ); \
125 #define SMC_insl(r,b,l) ({ int __i ; \
127 __b2 = (dword *) b; \
128 for (__i = 0; __i < l; __i++) { \
129 *(__b2 + __i) = SMC_inl(r); \
134 #define SMC_insw(r,b,l) ({ int __i ; \
137 for (__i = 0; __i < l; __i++) { \
138 *(__b2 + __i) = SMC_inw(r); \
143 #define SMC_insb(r,b,l) ({ int __i ; \
146 for (__i = 0; __i < l; __i++) { \
147 *(__b2 + __i) = SMC_inb(r); \
152 #else /* if not CONFIG_PXA250 */
155 * We have only 16 Bit PCMCIA access on Socket 0
158 #define SMC_inw(r) (*((volatile word *)(SMC_BASE_ADDRESS+(r))))
159 #define SMC_inb(r) (((r)&1) ? SMC_inw((r)&~1)>>8 : SMC_inw(r)&0xFF)
161 #define SMC_outw(d,r) (*((volatile word *)(SMC_BASE_ADDRESS+(r))) = d)
162 #define SMC_outb(d,r) ({ word __d = (byte)(d); \
163 word __w = SMC_inw((r)&~1); \
164 __w &= ((r)&1) ? 0x00FF : 0xFF00; \
165 __w |= ((r)&1) ? __d<<8 : __d; \
166 SMC_outw(__w,(r)&~1); \
169 #define SMC_outsw(r,b,l) outsw(SMC_BASE_ADDRESS+(r), (b), (l))
171 #define SMC_outsw(r,b,l) ({ int __i; \
174 for (__i = 0; __i < l; __i++) { \
175 SMC_outw( *(__b2 + __i), r); \
181 #define SMC_insw(r,b,l) insw(SMC_BASE_ADDRESS+(r), (b), (l))
183 #define SMC_insw(r,b,l) ({ int __i ; \
186 for (__i = 0; __i < l; __i++) { \
187 *(__b2 + __i) = SMC_inw(r); \
196 ****************************************************************************
198 ****************************************************************************
200 #define LAN91C96_BANK_SELECT 14 /* Bank Select Register */
201 #define LAN91C96_BANKSELECT (0x3UC << 0)
209 ****************************************************************************
211 ****************************************************************************
213 #define EEPROM_MAC_OFFSET_1 0x6020
214 #define EEPROM_MAC_OFFSET_2 0x6021
215 #define EEPROM_MAC_OFFSET_3 0x6022
218 ****************************************************************************
219 * Bank 0 Register Map in I/O Space
220 ****************************************************************************
222 #define LAN91C96_TCR 0 /* Transmit Control Register */
223 #define LAN91C96_EPH_STATUS 2 /* EPH Status Register */
224 #define LAN91C96_RCR 4 /* Receive Control Register */
225 #define LAN91C96_COUNTER 6 /* Counter Register */
226 #define LAN91C96_MIR 8 /* Memory Information Register */
227 #define LAN91C96_MCR 10 /* Memory Configuration Register */
230 ****************************************************************************
231 * Transmit Control Register - Bank 0 - Offset 0
232 ****************************************************************************
234 #define LAN91C96_TCR_TXENA (0x1U << 0)
235 #define LAN91C96_TCR_LOOP (0x1U << 1)
236 #define LAN91C96_TCR_FORCOL (0x1U << 2)
237 #define LAN91C96_TCR_TXP_EN (0x1U << 3)
238 #define LAN91C96_TCR_PAD_EN (0x1U << 7)
239 #define LAN91C96_TCR_NOCRC (0x1U << 8)
240 #define LAN91C96_TCR_MON_CSN (0x1U << 10)
241 #define LAN91C96_TCR_FDUPLX (0x1U << 11)
242 #define LAN91C96_TCR_STP_SQET (0x1U << 12)
243 #define LAN91C96_TCR_EPH_LOOP (0x1U << 13)
244 #define LAN91C96_TCR_ETEN_TYPE (0x1U << 14)
245 #define LAN91C96_TCR_FDSE (0x1U << 15)
248 ****************************************************************************
249 * EPH Status Register - Bank 0 - Offset 2
250 ****************************************************************************
252 #define LAN91C96_EPHSR_TX_SUC (0x1U << 0)
253 #define LAN91C96_EPHSR_SNGL_COL (0x1U << 1)
254 #define LAN91C96_EPHSR_MUL_COL (0x1U << 2)
255 #define LAN91C96_EPHSR_LTX_MULT (0x1U << 3)
256 #define LAN91C96_EPHSR_16COL (0x1U << 4)
257 #define LAN91C96_EPHSR_SQET (0x1U << 5)
258 #define LAN91C96_EPHSR_LTX_BRD (0x1U << 6)
259 #define LAN91C96_EPHSR_TX_DEFR (0x1U << 7)
260 #define LAN91C96_EPHSR_WAKEUP (0x1U << 8)
261 #define LAN91C96_EPHSR_LATCOL (0x1U << 9)
262 #define LAN91C96_EPHSR_LOST_CARR (0x1U << 10)
263 #define LAN91C96_EPHSR_EXC_DEF (0x1U << 11)
264 #define LAN91C96_EPHSR_CTR_ROL (0x1U << 12)
266 #define LAN91C96_EPHSR_LINK_OK (0x1U << 14)
267 #define LAN91C96_EPHSR_TX_UNRN (0x1U << 15)
269 #define LAN91C96_EPHSR_ERRORS (LAN91C96_EPHSR_SNGL_COL | \
270 LAN91C96_EPHSR_MUL_COL | \
271 LAN91C96_EPHSR_16COL | \
272 LAN91C96_EPHSR_SQET | \
273 LAN91C96_EPHSR_TX_DEFR | \
274 LAN91C96_EPHSR_LATCOL | \
275 LAN91C96_EPHSR_LOST_CARR | \
276 LAN91C96_EPHSR_EXC_DEF | \
277 LAN91C96_EPHSR_LINK_OK | \
278 LAN91C96_EPHSR_TX_UNRN)
281 ****************************************************************************
282 * Receive Control Register - Bank 0 - Offset 4
283 ****************************************************************************
285 #define LAN91C96_RCR_RX_ABORT (0x1U << 0)
286 #define LAN91C96_RCR_PRMS (0x1U << 1)
287 #define LAN91C96_RCR_ALMUL (0x1U << 2)
288 #define LAN91C96_RCR_RXEN (0x1U << 8)
289 #define LAN91C96_RCR_STRIP_CRC (0x1U << 9)
290 #define LAN91C96_RCR_FILT_CAR (0x1U << 14)
291 #define LAN91C96_RCR_SOFT_RST (0x1U << 15)
294 ****************************************************************************
295 * Counter Register - Bank 0 - Offset 6
296 ****************************************************************************
298 #define LAN91C96_ECR_SNGL_COL (0xFU << 0)
299 #define LAN91C96_ECR_MULT_COL (0xFU << 5)
300 #define LAN91C96_ECR_DEF_TX (0xFU << 8)
301 #define LAN91C96_ECR_EXC_DEF_TX (0xFU << 12)
304 ****************************************************************************
305 * Memory Information Register - Bank 0 - OFfset 8
306 ****************************************************************************
308 #define LAN91C96_MIR_SIZE (0x18 << 0) /* 6144 bytes */
311 ****************************************************************************
312 * Memory Configuration Register - Bank 0 - Offset 10
313 ****************************************************************************
315 #define LAN91C96_MCR_MEM_RES (0xFFU << 0)
316 #define LAN91C96_MCR_MEM_MULT (0x3U << 9)
317 #define LAN91C96_MCR_HIGH_ID (0x3U << 12)
319 #define LAN91C96_MCR_TRANSMIT_PAGES 0x6
322 ****************************************************************************
323 * Bank 1 Register Map in I/O Space
324 ****************************************************************************
326 #define LAN91C96_CONFIG 0 /* Configuration Register */
327 #define LAN91C96_BASE 2 /* Base Address Register */
328 #define LAN91C96_IA0 4 /* Individual Address Register - 0 */
329 #define LAN91C96_IA1 5 /* Individual Address Register - 1 */
330 #define LAN91C96_IA2 6 /* Individual Address Register - 2 */
331 #define LAN91C96_IA3 7 /* Individual Address Register - 3 */
332 #define LAN91C96_IA4 8 /* Individual Address Register - 4 */
333 #define LAN91C96_IA5 9 /* Individual Address Register - 5 */
334 #define LAN91C96_GEN_PURPOSE 10 /* General Address Registers */
335 #define LAN91C96_CONTROL 12 /* Control Register */
338 ****************************************************************************
339 * Configuration Register - Bank 1 - Offset 0
340 ****************************************************************************
342 #define LAN91C96_CR_INT_SEL0 (0x1U << 1)
343 #define LAN91C96_CR_INT_SEL1 (0x1U << 2)
344 #define LAN91C96_CR_RES (0x3U << 3)
345 #define LAN91C96_CR_DIS_LINK (0x1U << 6)
346 #define LAN91C96_CR_16BIT (0x1U << 7)
347 #define LAN91C96_CR_AUI_SELECT (0x1U << 8)
348 #define LAN91C96_CR_SET_SQLCH (0x1U << 9)
349 #define LAN91C96_CR_FULL_STEP (0x1U << 10)
350 #define LAN91C96_CR_NO_WAIT (0x1U << 12)
353 ****************************************************************************
354 * Base Address Register - Bank 1 - Offset 2
355 ****************************************************************************
357 #define LAN91C96_BAR_RA_BITS (0x27U << 0)
358 #define LAN91C96_BAR_ROM_SIZE (0x1U << 6)
359 #define LAN91C96_BAR_A_BITS (0xFFU << 8)
362 ****************************************************************************
363 * Control Register - Bank 1 - Offset 12
364 ****************************************************************************
366 #define LAN91C96_CTR_STORE (0x1U << 0)
367 #define LAN91C96_CTR_RELOAD (0x1U << 1)
368 #define LAN91C96_CTR_EEPROM (0x1U << 2)
369 #define LAN91C96_CTR_TE_ENABLE (0x1U << 5)
370 #define LAN91C96_CTR_CR_ENABLE (0x1U << 6)
371 #define LAN91C96_CTR_LE_ENABLE (0x1U << 7)
372 #define LAN91C96_CTR_BIT_8 (0x1U << 8)
373 #define LAN91C96_CTR_AUTO_RELEASE (0x1U << 11)
374 #define LAN91C96_CTR_WAKEUP_EN (0x1U << 12)
375 #define LAN91C96_CTR_PWRDN (0x1U << 13)
376 #define LAN91C96_CTR_RCV_BAD (0x1U << 14)
379 ****************************************************************************
380 * Bank 2 Register Map in I/O Space
381 ****************************************************************************
383 #define LAN91C96_MMU 0 /* MMU Command Register */
384 #define LAN91C96_AUTO_TX_START 1 /* Auto Tx Start Register */
385 #define LAN91C96_PNR 2 /* Packet Number Register */
386 #define LAN91C96_ARR 3 /* Allocation Result Register */
387 #define LAN91C96_FIFO 4 /* FIFO Ports Register */
388 #define LAN91C96_POINTER 6 /* Pointer Register */
389 #define LAN91C96_DATA_HIGH 8 /* Data High Register */
390 #define LAN91C96_DATA_LOW 10 /* Data Low Register */
391 #define LAN91C96_INT_STATS 12 /* Interrupt Status Register - RO */
392 #define LAN91C96_INT_ACK 12 /* Interrupt Acknowledge Register -WO */
393 #define LAN91C96_INT_MASK 13 /* Interrupt Mask Register */
396 ****************************************************************************
397 * MMU Command Register - Bank 2 - Offset 0
398 ****************************************************************************
400 #define LAN91C96_MMUCR_NO_BUSY (0x1U << 0)
401 #define LAN91C96_MMUCR_N1 (0x1U << 1)
402 #define LAN91C96_MMUCR_N2 (0x1U << 2)
403 #define LAN91C96_MMUCR_COMMAND (0xFU << 4)
404 #define LAN91C96_MMUCR_ALLOC_TX (0x2U << 4) /* WXYZ = 0010 */
405 #define LAN91C96_MMUCR_RESET_MMU (0x4U << 4) /* WXYZ = 0100 */
406 #define LAN91C96_MMUCR_REMOVE_RX (0x6U << 4) /* WXYZ = 0110 */
407 #define LAN91C96_MMUCR_REMOVE_TX (0x7U << 4) /* WXYZ = 0111 */
408 #define LAN91C96_MMUCR_RELEASE_RX (0x8U << 4) /* WXYZ = 1000 */
409 #define LAN91C96_MMUCR_RELEASE_TX (0xAU << 4) /* WXYZ = 1010 */
410 #define LAN91C96_MMUCR_ENQUEUE (0xCU << 4) /* WXYZ = 1100 */
411 #define LAN91C96_MMUCR_RESET_TX (0xEU << 4) /* WXYZ = 1110 */
414 ****************************************************************************
415 * Auto Tx Start Register - Bank 2 - Offset 1
416 ****************************************************************************
418 #define LAN91C96_AUTOTX (0xFFU << 0)
421 ****************************************************************************
422 * Packet Number Register - Bank 2 - Offset 2
423 ****************************************************************************
425 #define LAN91C96_PNR_TX (0x1FU << 0)
428 ****************************************************************************
429 * Allocation Result Register - Bank 2 - Offset 3
430 ****************************************************************************
432 #define LAN91C96_ARR_ALLOC_PN (0x7FU << 0)
433 #define LAN91C96_ARR_FAILED (0x1U << 7)
436 ****************************************************************************
437 * FIFO Ports Register - Bank 2 - Offset 4
438 ****************************************************************************
440 #define LAN91C96_FIFO_TX_DONE_PN (0x1FU << 0)
441 #define LAN91C96_FIFO_TEMPTY (0x1U << 7)
442 #define LAN91C96_FIFO_RX_DONE_PN (0x1FU << 8)
443 #define LAN91C96_FIFO_RXEMPTY (0x1U << 15)
446 ****************************************************************************
447 * Pointer Register - Bank 2 - Offset 6
448 ****************************************************************************
450 #define LAN91C96_PTR_LOW (0xFFU << 0)
451 #define LAN91C96_PTR_HIGH (0x7U << 8)
452 #define LAN91C96_PTR_AUTO_TX (0x1U << 11)
453 #define LAN91C96_PTR_ETEN (0x1U << 12)
454 #define LAN91C96_PTR_READ (0x1U << 13)
455 #define LAN91C96_PTR_AUTO_INCR (0x1U << 14)
456 #define LAN91C96_PTR_RCV (0x1U << 15)
458 #define LAN91C96_PTR_RX_FRAME (LAN91C96_PTR_RCV | \
459 LAN91C96_PTR_AUTO_INCR | \
463 ****************************************************************************
464 * Data Register - Bank 2 - Offset 8
465 ****************************************************************************
467 #define LAN91C96_CONTROL_CRC (0x1U << 4) /* CRC bit */
468 #define LAN91C96_CONTROL_ODD (0x1U << 5) /* ODD bit */
471 ****************************************************************************
472 * Interrupt Status Register - Bank 2 - Offset 12
473 ****************************************************************************
475 #define LAN91C96_IST_RCV_INT (0x1U << 0)
476 #define LAN91C96_IST_TX_INT (0x1U << 1)
477 #define LAN91C96_IST_TX_EMPTY_INT (0x1U << 2)
478 #define LAN91C96_IST_ALLOC_INT (0x1U << 3)
479 #define LAN91C96_IST_RX_OVRN_INT (0x1U << 4)
480 #define LAN91C96_IST_EPH_INT (0x1U << 5)
481 #define LAN91C96_IST_ERCV_INT (0x1U << 6)
482 #define LAN91C96_IST_RX_IDLE_INT (0x1U << 7)
485 ****************************************************************************
486 * Interrupt Acknowledge Register - Bank 2 - Offset 12
487 ****************************************************************************
489 #define LAN91C96_ACK_TX_INT (0x1U << 1)
490 #define LAN91C96_ACK_TX_EMPTY_INT (0x1U << 2)
491 #define LAN91C96_ACK_RX_OVRN_INT (0x1U << 4)
492 #define LAN91C96_ACK_ERCV_INT (0x1U << 6)
495 ****************************************************************************
496 * Interrupt Mask Register - Bank 2 - Offset 13
497 ****************************************************************************
499 #define LAN91C96_MSK_RCV_INT (0x1U << 0)
500 #define LAN91C96_MSK_TX_INT (0x1U << 1)
501 #define LAN91C96_MSK_TX_EMPTY_INT (0x1U << 2)
502 #define LAN91C96_MSK_ALLOC_INT (0x1U << 3)
503 #define LAN91C96_MSK_RX_OVRN_INT (0x1U << 4)
504 #define LAN91C96_MSK_EPH_INT (0x1U << 5)
505 #define LAN91C96_MSK_ERCV_INT (0x1U << 6)
506 #define LAN91C96_MSK_TX_IDLE_INT (0x1U << 7)
509 ****************************************************************************
510 * Bank 3 Register Map in I/O Space
511 **************************************************************************
513 #define LAN91C96_MGMT_MDO (0x1U << 0)
514 #define LAN91C96_MGMT_MDI (0x1U << 1)
515 #define LAN91C96_MGMT_MCLK (0x1U << 2)
516 #define LAN91C96_MGMT_MDOE (0x1U << 3)
517 #define LAN91C96_MGMT_LOW_ID (0x3U << 4)
518 #define LAN91C96_MGMT_IOS0 (0x1U << 8)
519 #define LAN91C96_MGMT_IOS1 (0x1U << 9)
520 #define LAN91C96_MGMT_IOS2 (0x1U << 10)
521 #define LAN91C96_MGMT_nXNDEC (0x1U << 11)
522 #define LAN91C96_MGMT_HIGH_ID (0x3U << 12)
525 ****************************************************************************
526 * Revision Register - Bank 3 - Offset 10
527 ****************************************************************************
529 #define LAN91C96_REV_REVID (0xFU << 0)
530 #define LAN91C96_REV_CHIPID (0xFU << 4)
533 ****************************************************************************
534 * Early RCV Register - Bank 3 - Offset 12
535 ****************************************************************************
537 #define LAN91C96_ERCV_THRESHOLD (0x1FU << 0)
538 #define LAN91C96_ERCV_RCV_DISCRD (0x1U << 7)
541 ****************************************************************************
542 * PCMCIA Configuration Registers
543 ****************************************************************************
545 #define LAN91C96_ECOR 0x8000 /* Ethernet Configuration Register */
546 #define LAN91C96_ECSR 0x8002 /* Ethernet Configuration and Status */
549 ****************************************************************************
550 * PCMCIA Ethernet Configuration Option Register (ECOR)
551 ****************************************************************************
553 #define LAN91C96_ECOR_ENABLE (0x1U << 0)
554 #define LAN91C96_ECOR_WR_ATTRIB (0x1U << 2)
555 #define LAN91C96_ECOR_LEVEL_REQ (0x1U << 6)
556 #define LAN91C96_ECOR_SRESET (0x1U << 7)
559 ****************************************************************************
560 * PCMCIA Ethernet Configuration and Status Register (ECSR)
561 ****************************************************************************
563 #define LAN91C96_ECSR_INTR (0x1U << 1)
564 #define LAN91C96_ECSR_PWRDWN (0x1U << 2)
565 #define LAN91C96_ECSR_IOIS8 (0x1U << 5)
568 ****************************************************************************
569 * Receive Frame Status Word - See page 38 of the LAN91C96 specification.
570 ****************************************************************************
572 #define LAN91C96_TOO_SHORT (0x1U << 10)
573 #define LAN91C96_TOO_LONG (0x1U << 11)
574 #define LAN91C96_ODD_FRM (0x1U << 12)
575 #define LAN91C96_BAD_CRC (0x1U << 13)
576 #define LAN91C96_BROD_CAST (0x1U << 14)
577 #define LAN91C96_ALGN_ERR (0x1U << 15)
579 #define FRAME_FILTER (LAN91C96_TOO_SHORT | LAN91C96_TOO_LONG | LAN91C96_BAD_CRC | LAN91C96_ALGN_ERR)
582 ****************************************************************************
583 * Default MAC Address
584 ****************************************************************************
586 #define MAC_DEF_HI 0x0800
587 #define MAC_DEF_MED 0x3333
588 #define MAC_DEF_LO 0x0100
591 ****************************************************************************
592 * Default I/O Signature - 0x33
593 ****************************************************************************
595 #define LAN91C96_LOW_SIGNATURE (0x33U << 0)
596 #define LAN91C96_HIGH_SIGNATURE (0x33U << 8)
597 #define LAN91C96_SIGNATURE (LAN91C96_HIGH_SIGNATURE | LAN91C96_LOW_SIGNATURE)
599 #define LAN91C96_MAX_PAGES 6 /* Maximum number of 256 pages. */
600 #define ETHERNET_MAX_LENGTH 1514
603 /*-------------------------------------------------------------------------
604 * I define some macros to make it easier to do somewhat common
605 * or slightly complicated, repeated tasks.
606 *-------------------------------------------------------------------------
609 /* select a register bank, 0 to 3 */
611 #define SMC_SELECT_BANK(x) { SMC_outw( x, LAN91C96_BANK_SELECT ); }
613 /* this enables an interrupt in the interrupt mask register */
614 #define SMC_ENABLE_INT(x) {\
617 mask = SMC_inb( LAN91C96_INT_MASK );\
619 SMC_outb( mask, LAN91C96_INT_MASK ); \
622 /* this disables an interrupt from the interrupt mask register */
624 #define SMC_DISABLE_INT(x) {\
627 mask = SMC_inb( LAN91C96_INT_MASK );\
629 SMC_outb( mask, LAN91C96_INT_MASK ); \
632 /*----------------------------------------------------------------------
633 * Define the interrupts that I want to receive from the card
636 * LAN91C96_IST_EPH_INT, for nasty errors
637 * LAN91C96_IST_RCV_INT, for happy received packets
638 * LAN91C96_IST_RX_OVRN_INT, because I have to kick the receiver
639 *-------------------------------------------------------------------------
641 #define SMC_INTERRUPT_MASK (LAN91C96_IST_EPH_INT | LAN91C96_IST_RX_OVRN_INT | LAN91C96_IST_RCV_INT)
643 #endif /* _LAN91C96_H_ */