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 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
81 #define SMC_inl(r) (*((volatile dword *)(SMC_BASE_ADDRESS+( r * 4 ))))
82 #define SMC_inw(r) (*((volatile word *)(SMC_BASE_ADDRESS+( r * 4 ))))
83 #define SMC_inb(p) ({ \
84 unsigned int __p = (unsigned int)(SMC_BASE_ADDRESS + (p * 4)); \
85 unsigned int __v = *(volatile unsigned short *)((__p) & ~1); \
86 if (__p & 1) __v >>= 8; \
90 #define SMC_outl(d,r) (*((volatile dword *)(SMC_BASE_ADDRESS+(r * 4))) = d)
91 #define SMC_outw(d,r) (*((volatile word *)(SMC_BASE_ADDRESS+(r * 4))) = d)
92 #define SMC_outb(d,r) ({ word __d = (byte)(d); \
93 word __w = SMC_inw((r)&~1); \
94 __w &= ((r)&1) ? 0x00FF : 0xFF00; \
95 __w |= ((r)&1) ? __d<<8 : __d; \
96 SMC_outw(__w,(r)&~1); \
99 #define SMC_outsl(r,b,l) ({ int __i; \
101 __b2 = (dword *) b; \
102 for (__i = 0; __i < l; __i++) { \
103 SMC_outl( *(__b2 + __i), r ); \
107 #define SMC_outsw(r,b,l) ({ int __i; \
110 for (__i = 0; __i < l; __i++) { \
111 SMC_outw( *(__b2 + __i), r ); \
115 #define SMC_insl(r,b,l) ({ int __i ; \
117 __b2 = (dword *) b; \
118 for (__i = 0; __i < l; __i++) { \
119 *(__b2 + __i) = SMC_inl(r); \
124 #define SMC_insw(r,b,l) ({ int __i ; \
127 for (__i = 0; __i < l; __i++) { \
128 *(__b2 + __i) = SMC_inw(r); \
133 #define SMC_insb(r,b,l) ({ int __i ; \
136 for (__i = 0; __i < l; __i++) { \
137 *(__b2 + __i) = SMC_inb(r); \
142 #else /* if not CONFIG_PXA250 */
145 * We have only 16 Bit PCMCIA access on Socket 0
148 #define SMC_inw(r) (*((volatile word *)(SMC_BASE_ADDRESS+(r))))
149 #define SMC_inb(r) (((r)&1) ? SMC_inw((r)&~1)>>8 : SMC_inw(r)&0xFF)
151 #define SMC_outw(d,r) (*((volatile word *)(SMC_BASE_ADDRESS+(r))) = d)
152 #define SMC_outb(d,r) ({ word __d = (byte)(d); \
153 word __w = SMC_inw((r)&~1); \
154 __w &= ((r)&1) ? 0x00FF : 0xFF00; \
155 __w |= ((r)&1) ? __d<<8 : __d; \
156 SMC_outw(__w,(r)&~1); \
159 #define SMC_outsw(r,b,l) outsw(SMC_BASE_ADDRESS+(r), (b), (l))
161 #define SMC_outsw(r,b,l) ({ int __i; \
164 for (__i = 0; __i < l; __i++) { \
165 SMC_outw( *(__b2 + __i), r); \
171 #define SMC_insw(r,b,l) insw(SMC_BASE_ADDRESS+(r), (b), (l))
173 #define SMC_insw(r,b,l) ({ int __i ; \
176 for (__i = 0; __i < l; __i++) { \
177 *(__b2 + __i) = SMC_inw(r); \
186 ****************************************************************************
188 ****************************************************************************
190 #define LAN91C96_BANK_SELECT 14 /* Bank Select Register */
191 #define LAN91C96_BANKSELECT (0x3UC << 0)
199 ****************************************************************************
201 ****************************************************************************
203 #define EEPROM_MAC_OFFSET_1 0x6020
204 #define EEPROM_MAC_OFFSET_2 0x6021
205 #define EEPROM_MAC_OFFSET_3 0x6022
208 ****************************************************************************
209 * Bank 0 Register Map in I/O Space
210 ****************************************************************************
212 #define LAN91C96_TCR 0 /* Transmit Control Register */
213 #define LAN91C96_EPH_STATUS 2 /* EPH Status Register */
214 #define LAN91C96_RCR 4 /* Receive Control Register */
215 #define LAN91C96_COUNTER 6 /* Counter Register */
216 #define LAN91C96_MIR 8 /* Memory Information Register */
217 #define LAN91C96_MCR 10 /* Memory Configuration Register */
220 ****************************************************************************
221 * Transmit Control Register - Bank 0 - Offset 0
222 ****************************************************************************
224 #define LAN91C96_TCR_TXENA (0x1U << 0)
225 #define LAN91C96_TCR_LOOP (0x1U << 1)
226 #define LAN91C96_TCR_FORCOL (0x1U << 2)
227 #define LAN91C96_TCR_TXP_EN (0x1U << 3)
228 #define LAN91C96_TCR_PAD_EN (0x1U << 7)
229 #define LAN91C96_TCR_NOCRC (0x1U << 8)
230 #define LAN91C96_TCR_MON_CSN (0x1U << 10)
231 #define LAN91C96_TCR_FDUPLX (0x1U << 11)
232 #define LAN91C96_TCR_STP_SQET (0x1U << 12)
233 #define LAN91C96_TCR_EPH_LOOP (0x1U << 13)
234 #define LAN91C96_TCR_ETEN_TYPE (0x1U << 14)
235 #define LAN91C96_TCR_FDSE (0x1U << 15)
238 ****************************************************************************
239 * EPH Status Register - Bank 0 - Offset 2
240 ****************************************************************************
242 #define LAN91C96_EPHSR_TX_SUC (0x1U << 0)
243 #define LAN91C96_EPHSR_SNGL_COL (0x1U << 1)
244 #define LAN91C96_EPHSR_MUL_COL (0x1U << 2)
245 #define LAN91C96_EPHSR_LTX_MULT (0x1U << 3)
246 #define LAN91C96_EPHSR_16COL (0x1U << 4)
247 #define LAN91C96_EPHSR_SQET (0x1U << 5)
248 #define LAN91C96_EPHSR_LTX_BRD (0x1U << 6)
249 #define LAN91C96_EPHSR_TX_DEFR (0x1U << 7)
250 #define LAN91C96_EPHSR_WAKEUP (0x1U << 8)
251 #define LAN91C96_EPHSR_LATCOL (0x1U << 9)
252 #define LAN91C96_EPHSR_LOST_CARR (0x1U << 10)
253 #define LAN91C96_EPHSR_EXC_DEF (0x1U << 11)
254 #define LAN91C96_EPHSR_CTR_ROL (0x1U << 12)
256 #define LAN91C96_EPHSR_LINK_OK (0x1U << 14)
257 #define LAN91C96_EPHSR_TX_UNRN (0x1U << 15)
259 #define LAN91C96_EPHSR_ERRORS (LAN91C96_EPHSR_SNGL_COL | \
260 LAN91C96_EPHSR_MUL_COL | \
261 LAN91C96_EPHSR_16COL | \
262 LAN91C96_EPHSR_SQET | \
263 LAN91C96_EPHSR_TX_DEFR | \
264 LAN91C96_EPHSR_LATCOL | \
265 LAN91C96_EPHSR_LOST_CARR | \
266 LAN91C96_EPHSR_EXC_DEF | \
267 LAN91C96_EPHSR_LINK_OK | \
268 LAN91C96_EPHSR_TX_UNRN)
271 ****************************************************************************
272 * Receive Control Register - Bank 0 - Offset 4
273 ****************************************************************************
275 #define LAN91C96_RCR_RX_ABORT (0x1U << 0)
276 #define LAN91C96_RCR_PRMS (0x1U << 1)
277 #define LAN91C96_RCR_ALMUL (0x1U << 2)
278 #define LAN91C96_RCR_RXEN (0x1U << 8)
279 #define LAN91C96_RCR_STRIP_CRC (0x1U << 9)
280 #define LAN91C96_RCR_FILT_CAR (0x1U << 14)
281 #define LAN91C96_RCR_SOFT_RST (0x1U << 15)
284 ****************************************************************************
285 * Counter Register - Bank 0 - Offset 6
286 ****************************************************************************
288 #define LAN91C96_ECR_SNGL_COL (0xFU << 0)
289 #define LAN91C96_ECR_MULT_COL (0xFU << 5)
290 #define LAN91C96_ECR_DEF_TX (0xFU << 8)
291 #define LAN91C96_ECR_EXC_DEF_TX (0xFU << 12)
294 ****************************************************************************
295 * Memory Information Register - Bank 0 - OFfset 8
296 ****************************************************************************
298 #define LAN91C96_MIR_SIZE (0x18 << 0) /* 6144 bytes */
301 ****************************************************************************
302 * Memory Configuration Register - Bank 0 - Offset 10
303 ****************************************************************************
305 #define LAN91C96_MCR_MEM_RES (0xFFU << 0)
306 #define LAN91C96_MCR_MEM_MULT (0x3U << 9)
307 #define LAN91C96_MCR_HIGH_ID (0x3U << 12)
309 #define LAN91C96_MCR_TRANSMIT_PAGES 0x6
312 ****************************************************************************
313 * Bank 1 Register Map in I/O Space
314 ****************************************************************************
316 #define LAN91C96_CONFIG 0 /* Configuration Register */
317 #define LAN91C96_BASE 2 /* Base Address Register */
318 #define LAN91C96_IA0 4 /* Individual Address Register - 0 */
319 #define LAN91C96_IA1 5 /* Individual Address Register - 1 */
320 #define LAN91C96_IA2 6 /* Individual Address Register - 2 */
321 #define LAN91C96_IA3 7 /* Individual Address Register - 3 */
322 #define LAN91C96_IA4 8 /* Individual Address Register - 4 */
323 #define LAN91C96_IA5 9 /* Individual Address Register - 5 */
324 #define LAN91C96_GEN_PURPOSE 10 /* General Address Registers */
325 #define LAN91C96_CONTROL 12 /* Control Register */
328 ****************************************************************************
329 * Configuration Register - Bank 1 - Offset 0
330 ****************************************************************************
332 #define LAN91C96_CR_INT_SEL0 (0x1U << 1)
333 #define LAN91C96_CR_INT_SEL1 (0x1U << 2)
334 #define LAN91C96_CR_RES (0x3U << 3)
335 #define LAN91C96_CR_DIS_LINK (0x1U << 6)
336 #define LAN91C96_CR_16BIT (0x1U << 7)
337 #define LAN91C96_CR_AUI_SELECT (0x1U << 8)
338 #define LAN91C96_CR_SET_SQLCH (0x1U << 9)
339 #define LAN91C96_CR_FULL_STEP (0x1U << 10)
340 #define LAN91C96_CR_NO_WAIT (0x1U << 12)
343 ****************************************************************************
344 * Base Address Register - Bank 1 - Offset 2
345 ****************************************************************************
347 #define LAN91C96_BAR_RA_BITS (0x27U << 0)
348 #define LAN91C96_BAR_ROM_SIZE (0x1U << 6)
349 #define LAN91C96_BAR_A_BITS (0xFFU << 8)
352 ****************************************************************************
353 * Control Register - Bank 1 - Offset 12
354 ****************************************************************************
356 #define LAN91C96_CTR_STORE (0x1U << 0)
357 #define LAN91C96_CTR_RELOAD (0x1U << 1)
358 #define LAN91C96_CTR_EEPROM (0x1U << 2)
359 #define LAN91C96_CTR_TE_ENABLE (0x1U << 5)
360 #define LAN91C96_CTR_CR_ENABLE (0x1U << 6)
361 #define LAN91C96_CTR_LE_ENABLE (0x1U << 7)
362 #define LAN91C96_CTR_BIT_8 (0x1U << 8)
363 #define LAN91C96_CTR_AUTO_RELEASE (0x1U << 11)
364 #define LAN91C96_CTR_WAKEUP_EN (0x1U << 12)
365 #define LAN91C96_CTR_PWRDN (0x1U << 13)
366 #define LAN91C96_CTR_RCV_BAD (0x1U << 14)
369 ****************************************************************************
370 * Bank 2 Register Map in I/O Space
371 ****************************************************************************
373 #define LAN91C96_MMU 0 /* MMU Command Register */
374 #define LAN91C96_AUTO_TX_START 1 /* Auto Tx Start Register */
375 #define LAN91C96_PNR 2 /* Packet Number Register */
376 #define LAN91C96_ARR 3 /* Allocation Result Register */
377 #define LAN91C96_FIFO 4 /* FIFO Ports Register */
378 #define LAN91C96_POINTER 6 /* Pointer Register */
379 #define LAN91C96_DATA_HIGH 8 /* Data High Register */
380 #define LAN91C96_DATA_LOW 10 /* Data Low Register */
381 #define LAN91C96_INT_STATS 12 /* Interrupt Status Register - RO */
382 #define LAN91C96_INT_ACK 12 /* Interrupt Acknowledge Register -WO */
383 #define LAN91C96_INT_MASK 13 /* Interrupt Mask Register */
386 ****************************************************************************
387 * MMU Command Register - Bank 2 - Offset 0
388 ****************************************************************************
390 #define LAN91C96_MMUCR_NO_BUSY (0x1U << 0)
391 #define LAN91C96_MMUCR_N1 (0x1U << 1)
392 #define LAN91C96_MMUCR_N2 (0x1U << 2)
393 #define LAN91C96_MMUCR_COMMAND (0xFU << 4)
394 #define LAN91C96_MMUCR_ALLOC_TX (0x2U << 4) /* WXYZ = 0010 */
395 #define LAN91C96_MMUCR_RESET_MMU (0x4U << 4) /* WXYZ = 0100 */
396 #define LAN91C96_MMUCR_REMOVE_RX (0x6U << 4) /* WXYZ = 0110 */
397 #define LAN91C96_MMUCR_REMOVE_TX (0x7U << 4) /* WXYZ = 0111 */
398 #define LAN91C96_MMUCR_RELEASE_RX (0x8U << 4) /* WXYZ = 1000 */
399 #define LAN91C96_MMUCR_RELEASE_TX (0xAU << 4) /* WXYZ = 1010 */
400 #define LAN91C96_MMUCR_ENQUEUE (0xCU << 4) /* WXYZ = 1100 */
401 #define LAN91C96_MMUCR_RESET_TX (0xEU << 4) /* WXYZ = 1110 */
404 ****************************************************************************
405 * Auto Tx Start Register - Bank 2 - Offset 1
406 ****************************************************************************
408 #define LAN91C96_AUTOTX (0xFFU << 0)
411 ****************************************************************************
412 * Packet Number Register - Bank 2 - Offset 2
413 ****************************************************************************
415 #define LAN91C96_PNR_TX (0x1FU << 0)
418 ****************************************************************************
419 * Allocation Result Register - Bank 2 - Offset 3
420 ****************************************************************************
422 #define LAN91C96_ARR_ALLOC_PN (0x7FU << 0)
423 #define LAN91C96_ARR_FAILED (0x1U << 7)
426 ****************************************************************************
427 * FIFO Ports Register - Bank 2 - Offset 4
428 ****************************************************************************
430 #define LAN91C96_FIFO_TX_DONE_PN (0x1FU << 0)
431 #define LAN91C96_FIFO_TEMPTY (0x1U << 7)
432 #define LAN91C96_FIFO_RX_DONE_PN (0x1FU << 8)
433 #define LAN91C96_FIFO_RXEMPTY (0x1U << 15)
436 ****************************************************************************
437 * Pointer Register - Bank 2 - Offset 6
438 ****************************************************************************
440 #define LAN91C96_PTR_LOW (0xFFU << 0)
441 #define LAN91C96_PTR_HIGH (0x7U << 8)
442 #define LAN91C96_PTR_AUTO_TX (0x1U << 11)
443 #define LAN91C96_PTR_ETEN (0x1U << 12)
444 #define LAN91C96_PTR_READ (0x1U << 13)
445 #define LAN91C96_PTR_AUTO_INCR (0x1U << 14)
446 #define LAN91C96_PTR_RCV (0x1U << 15)
448 #define LAN91C96_PTR_RX_FRAME (LAN91C96_PTR_RCV | \
449 LAN91C96_PTR_AUTO_INCR | \
453 ****************************************************************************
454 * Data Register - Bank 2 - Offset 8
455 ****************************************************************************
457 #define LAN91C96_CONTROL_CRC (0x1U << 4) /* CRC bit */
458 #define LAN91C96_CONTROL_ODD (0x1U << 5) /* ODD bit */
461 ****************************************************************************
462 * Interrupt Status Register - Bank 2 - Offset 12
463 ****************************************************************************
465 #define LAN91C96_IST_RCV_INT (0x1U << 0)
466 #define LAN91C96_IST_TX_INT (0x1U << 1)
467 #define LAN91C96_IST_TX_EMPTY_INT (0x1U << 2)
468 #define LAN91C96_IST_ALLOC_INT (0x1U << 3)
469 #define LAN91C96_IST_RX_OVRN_INT (0x1U << 4)
470 #define LAN91C96_IST_EPH_INT (0x1U << 5)
471 #define LAN91C96_IST_ERCV_INT (0x1U << 6)
472 #define LAN91C96_IST_RX_IDLE_INT (0x1U << 7)
475 ****************************************************************************
476 * Interrupt Acknowledge Register - Bank 2 - Offset 12
477 ****************************************************************************
479 #define LAN91C96_ACK_TX_INT (0x1U << 1)
480 #define LAN91C96_ACK_TX_EMPTY_INT (0x1U << 2)
481 #define LAN91C96_ACK_RX_OVRN_INT (0x1U << 4)
482 #define LAN91C96_ACK_ERCV_INT (0x1U << 6)
485 ****************************************************************************
486 * Interrupt Mask Register - Bank 2 - Offset 13
487 ****************************************************************************
489 #define LAN91C96_MSK_RCV_INT (0x1U << 0)
490 #define LAN91C96_MSK_TX_INT (0x1U << 1)
491 #define LAN91C96_MSK_TX_EMPTY_INT (0x1U << 2)
492 #define LAN91C96_MSK_ALLOC_INT (0x1U << 3)
493 #define LAN91C96_MSK_RX_OVRN_INT (0x1U << 4)
494 #define LAN91C96_MSK_EPH_INT (0x1U << 5)
495 #define LAN91C96_MSK_ERCV_INT (0x1U << 6)
496 #define LAN91C96_MSK_TX_IDLE_INT (0x1U << 7)
499 ****************************************************************************
500 * Bank 3 Register Map in I/O Space
501 **************************************************************************
503 #define LAN91C96_MGMT_MDO (0x1U << 0)
504 #define LAN91C96_MGMT_MDI (0x1U << 1)
505 #define LAN91C96_MGMT_MCLK (0x1U << 2)
506 #define LAN91C96_MGMT_MDOE (0x1U << 3)
507 #define LAN91C96_MGMT_LOW_ID (0x3U << 4)
508 #define LAN91C96_MGMT_IOS0 (0x1U << 8)
509 #define LAN91C96_MGMT_IOS1 (0x1U << 9)
510 #define LAN91C96_MGMT_IOS2 (0x1U << 10)
511 #define LAN91C96_MGMT_nXNDEC (0x1U << 11)
512 #define LAN91C96_MGMT_HIGH_ID (0x3U << 12)
515 ****************************************************************************
516 * Revision Register - Bank 3 - Offset 10
517 ****************************************************************************
519 #define LAN91C96_REV_REVID (0xFU << 0)
520 #define LAN91C96_REV_CHIPID (0xFU << 4)
523 ****************************************************************************
524 * Early RCV Register - Bank 3 - Offset 12
525 ****************************************************************************
527 #define LAN91C96_ERCV_THRESHOLD (0x1FU << 0)
528 #define LAN91C96_ERCV_RCV_DISCRD (0x1U << 7)
531 ****************************************************************************
532 * PCMCIA Configuration Registers
533 ****************************************************************************
535 #define LAN91C96_ECOR 0x8000 /* Ethernet Configuration Register */
536 #define LAN91C96_ECSR 0x8002 /* Ethernet Configuration and Status */
539 ****************************************************************************
540 * PCMCIA Ethernet Configuration Option Register (ECOR)
541 ****************************************************************************
543 #define LAN91C96_ECOR_ENABLE (0x1U << 0)
544 #define LAN91C96_ECOR_WR_ATTRIB (0x1U << 2)
545 #define LAN91C96_ECOR_LEVEL_REQ (0x1U << 6)
546 #define LAN91C96_ECOR_SRESET (0x1U << 7)
549 ****************************************************************************
550 * PCMCIA Ethernet Configuration and Status Register (ECSR)
551 ****************************************************************************
553 #define LAN91C96_ECSR_INTR (0x1U << 1)
554 #define LAN91C96_ECSR_PWRDWN (0x1U << 2)
555 #define LAN91C96_ECSR_IOIS8 (0x1U << 5)
558 ****************************************************************************
559 * Receive Frame Status Word - See page 38 of the LAN91C96 specification.
560 ****************************************************************************
562 #define LAN91C96_TOO_SHORT (0x1U << 10)
563 #define LAN91C96_TOO_LONG (0x1U << 11)
564 #define LAN91C96_ODD_FRM (0x1U << 12)
565 #define LAN91C96_BAD_CRC (0x1U << 13)
566 #define LAN91C96_BROD_CAST (0x1U << 14)
567 #define LAN91C96_ALGN_ERR (0x1U << 15)
569 #define FRAME_FILTER (LAN91C96_TOO_SHORT | LAN91C96_TOO_LONG | LAN91C96_BAD_CRC | LAN91C96_ALGN_ERR)
572 ****************************************************************************
573 * Default MAC Address
574 ****************************************************************************
576 #define MAC_DEF_HI 0x0800
577 #define MAC_DEF_MED 0x3333
578 #define MAC_DEF_LO 0x0100
581 ****************************************************************************
582 * Default I/O Signature - 0x33
583 ****************************************************************************
585 #define LAN91C96_LOW_SIGNATURE (0x33U << 0)
586 #define LAN91C96_HIGH_SIGNATURE (0x33U << 8)
587 #define LAN91C96_SIGNATURE (LAN91C96_HIGH_SIGNATURE | LAN91C96_LOW_SIGNATURE)
589 #define LAN91C96_MAX_PAGES 6 /* Maximum number of 256 pages. */
590 #define ETHERNET_MAX_LENGTH 1514
593 /*-------------------------------------------------------------------------
594 * I define some macros to make it easier to do somewhat common
595 * or slightly complicated, repeated tasks.
596 *-------------------------------------------------------------------------
599 /* select a register bank, 0 to 3 */
601 #define SMC_SELECT_BANK(x) { SMC_outw( x, LAN91C96_BANK_SELECT ); }
603 /* this enables an interrupt in the interrupt mask register */
604 #define SMC_ENABLE_INT(x) {\
607 mask = SMC_inb( LAN91C96_INT_MASK );\
609 SMC_outb( mask, LAN91C96_INT_MASK ); \
612 /* this disables an interrupt from the interrupt mask register */
614 #define SMC_DISABLE_INT(x) {\
617 mask = SMC_inb( LAN91C96_INT_MASK );\
619 SMC_outb( mask, LAN91C96_INT_MASK ); \
622 /*----------------------------------------------------------------------
623 * Define the interrupts that I want to receive from the card
626 * LAN91C96_IST_EPH_INT, for nasty errors
627 * LAN91C96_IST_RCV_INT, for happy received packets
628 * LAN91C96_IST_RX_OVRN_INT, because I have to kick the receiver
629 *-------------------------------------------------------------------------
631 #define SMC_INTERRUPT_MASK (LAN91C96_IST_EPH_INT | LAN91C96_IST_RX_OVRN_INT | LAN91C96_IST_RCV_INT)
633 #endif /* _LAN91C96_H_ */