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 * SPDX-License-Identifier: GPL-2.0+
13 * This file contains register information and access macros for
14 * the LAN91C96 single chip ethernet controller. It is a modified
15 * version of the smc9111.h file.
17 * Information contained in this file was obtained from the LAN91C96
18 * manual from SMC. To get a copy, if you really want one, you can find
19 * information under www.smsc.com.
22 * Erik Stahlman ( erik@vt.edu )
23 * Daris A Nevil ( dnevil@snmc.com )
26 * 04/30/03 Mathijs Haarman Modified smc91111.h (u-boot version)
28 *-------------------------------------------------------------------------
33 #include <asm/types.h>
37 /* I want some simple types */
39 typedef unsigned char byte;
40 typedef unsigned short word;
41 typedef unsigned long int dword;
46 * 0 for normal operation
47 * 1 for slightly more details
48 * >2 for various levels of increasingly useless information
49 * 2 for interrupt tracking, status flags
51 * 4 for complete packet dumps
53 /*#define SMC_DEBUG 0 */
55 /* Because of bank switching, the LAN91xxx uses only 16 I/O ports */
57 #define SMC_IO_EXTENT 16
59 #ifdef CONFIG_CPU_PXA25X
61 #define SMC_IO_SHIFT 0
63 #define SMCREG(edev, r) ((edev)->iobase+((r)<<SMC_IO_SHIFT))
65 #define SMC_inl(edev, r) (*((volatile dword *)SMCREG(edev, r)))
66 #define SMC_inw(edev, r) (*((volatile word *)SMCREG(edev, r)))
67 #define SMC_inb(edev, p) ({ \
68 unsigned int __p = p; \
69 unsigned int __v = SMC_inw(edev, __p & ~1); \
70 if (__p & 1) __v >>= 8; \
74 #define SMC_outl(edev, d, r) (*((volatile dword *)SMCREG(edev, r)) = d)
75 #define SMC_outw(edev, d, r) (*((volatile word *)SMCREG(edev, r)) = d)
76 #define SMC_outb(edev, d, r) ({ word __d = (byte)(d); \
77 word __w = SMC_inw(edev, (r)&~1); \
78 __w &= ((r)&1) ? 0x00FF : 0xFF00; \
79 __w |= ((r)&1) ? __d<<8 : __d; \
80 SMC_outw(edev, __w, (r)&~1); \
83 #define SMC_outsl(edev, r, b, l) ({ int __i; \
86 for (__i = 0; __i < l; __i++) { \
87 SMC_outl(edev, *(__b2 + __i),\
92 #define SMC_outsw(edev, r, b, l) ({ int __i; \
95 for (__i = 0; __i < l; __i++) { \
96 SMC_outw(edev, *(__b2 + __i),\
101 #define SMC_insl(edev, r, b, l) ({ int __i ; \
103 __b2 = (dword *) b; \
104 for (__i = 0; __i < l; __i++) { \
105 *(__b2 + __i) = SMC_inl(edev,\
111 #define SMC_insw(edev, r, b, l) ({ int __i ; \
114 for (__i = 0; __i < l; __i++) { \
115 *(__b2 + __i) = SMC_inw(edev,\
121 #define SMC_insb(edev, r, b, l) ({ int __i ; \
124 for (__i = 0; __i < l; __i++) { \
125 *(__b2 + __i) = SMC_inb(edev,\
131 #else /* if not CONFIG_CPU_PXA25X */
134 * We have only 16 Bit PCMCIA access on Socket 0
137 #define SMC_inw(edev, r) (*((volatile word *)((edev)->iobase+(r))))
138 #define SMC_inb(edev, r) (((r)&1) ? SMC_inw(edev, (r)&~1)>>8 :\
139 SMC_inw(edev, r)&0xFF)
141 #define SMC_outw(edev, d, r) (*((volatile word *)((edev)->iobase+(r))) = d)
142 #define SMC_outb(edev, d, r) ({ word __d = (byte)(d); \
143 word __w = SMC_inw(edev, (r)&~1); \
144 __w &= ((r)&1) ? 0x00FF : 0xFF00; \
145 __w |= ((r)&1) ? __d<<8 : __d; \
146 SMC_outw(edev, __w, (r)&~1); \
148 #define SMC_outsw(edev, r, b, l) ({ int __i; \
151 for (__i = 0; __i < l; __i++) { \
152 SMC_outw(edev, *(__b2 + __i),\
157 #define SMC_insw(edev, r, b, l) ({ int __i ; \
160 for (__i = 0; __i < l; __i++) { \
161 *(__b2 + __i) = SMC_inw(edev,\
170 ****************************************************************************
172 ****************************************************************************
174 #define LAN91C96_BANK_SELECT 14 /* Bank Select Register */
175 #define LAN91C96_BANKSELECT (0x3UC << 0)
183 ****************************************************************************
185 ****************************************************************************
187 #define EEPROM_MAC_OFFSET_1 0x6020
188 #define EEPROM_MAC_OFFSET_2 0x6021
189 #define EEPROM_MAC_OFFSET_3 0x6022
192 ****************************************************************************
193 * Bank 0 Register Map in I/O Space
194 ****************************************************************************
196 #define LAN91C96_TCR 0 /* Transmit Control Register */
197 #define LAN91C96_EPH_STATUS 2 /* EPH Status Register */
198 #define LAN91C96_RCR 4 /* Receive Control Register */
199 #define LAN91C96_COUNTER 6 /* Counter Register */
200 #define LAN91C96_MIR 8 /* Memory Information Register */
201 #define LAN91C96_MCR 10 /* Memory Configuration Register */
204 ****************************************************************************
205 * Transmit Control Register - Bank 0 - Offset 0
206 ****************************************************************************
208 #define LAN91C96_TCR_TXENA (0x1U << 0)
209 #define LAN91C96_TCR_LOOP (0x1U << 1)
210 #define LAN91C96_TCR_FORCOL (0x1U << 2)
211 #define LAN91C96_TCR_TXP_EN (0x1U << 3)
212 #define LAN91C96_TCR_PAD_EN (0x1U << 7)
213 #define LAN91C96_TCR_NOCRC (0x1U << 8)
214 #define LAN91C96_TCR_MON_CSN (0x1U << 10)
215 #define LAN91C96_TCR_FDUPLX (0x1U << 11)
216 #define LAN91C96_TCR_STP_SQET (0x1U << 12)
217 #define LAN91C96_TCR_EPH_LOOP (0x1U << 13)
218 #define LAN91C96_TCR_ETEN_TYPE (0x1U << 14)
219 #define LAN91C96_TCR_FDSE (0x1U << 15)
222 ****************************************************************************
223 * EPH Status Register - Bank 0 - Offset 2
224 ****************************************************************************
226 #define LAN91C96_EPHSR_TX_SUC (0x1U << 0)
227 #define LAN91C96_EPHSR_SNGL_COL (0x1U << 1)
228 #define LAN91C96_EPHSR_MUL_COL (0x1U << 2)
229 #define LAN91C96_EPHSR_LTX_MULT (0x1U << 3)
230 #define LAN91C96_EPHSR_16COL (0x1U << 4)
231 #define LAN91C96_EPHSR_SQET (0x1U << 5)
232 #define LAN91C96_EPHSR_LTX_BRD (0x1U << 6)
233 #define LAN91C96_EPHSR_TX_DEFR (0x1U << 7)
234 #define LAN91C96_EPHSR_WAKEUP (0x1U << 8)
235 #define LAN91C96_EPHSR_LATCOL (0x1U << 9)
236 #define LAN91C96_EPHSR_LOST_CARR (0x1U << 10)
237 #define LAN91C96_EPHSR_EXC_DEF (0x1U << 11)
238 #define LAN91C96_EPHSR_CTR_ROL (0x1U << 12)
240 #define LAN91C96_EPHSR_LINK_OK (0x1U << 14)
241 #define LAN91C96_EPHSR_TX_UNRN (0x1U << 15)
243 #define LAN91C96_EPHSR_ERRORS (LAN91C96_EPHSR_SNGL_COL | \
244 LAN91C96_EPHSR_MUL_COL | \
245 LAN91C96_EPHSR_16COL | \
246 LAN91C96_EPHSR_SQET | \
247 LAN91C96_EPHSR_TX_DEFR | \
248 LAN91C96_EPHSR_LATCOL | \
249 LAN91C96_EPHSR_LOST_CARR | \
250 LAN91C96_EPHSR_EXC_DEF | \
251 LAN91C96_EPHSR_LINK_OK | \
252 LAN91C96_EPHSR_TX_UNRN)
255 ****************************************************************************
256 * Receive Control Register - Bank 0 - Offset 4
257 ****************************************************************************
259 #define LAN91C96_RCR_RX_ABORT (0x1U << 0)
260 #define LAN91C96_RCR_PRMS (0x1U << 1)
261 #define LAN91C96_RCR_ALMUL (0x1U << 2)
262 #define LAN91C96_RCR_RXEN (0x1U << 8)
263 #define LAN91C96_RCR_STRIP_CRC (0x1U << 9)
264 #define LAN91C96_RCR_FILT_CAR (0x1U << 14)
265 #define LAN91C96_RCR_SOFT_RST (0x1U << 15)
268 ****************************************************************************
269 * Counter Register - Bank 0 - Offset 6
270 ****************************************************************************
272 #define LAN91C96_ECR_SNGL_COL (0xFU << 0)
273 #define LAN91C96_ECR_MULT_COL (0xFU << 5)
274 #define LAN91C96_ECR_DEF_TX (0xFU << 8)
275 #define LAN91C96_ECR_EXC_DEF_TX (0xFU << 12)
278 ****************************************************************************
279 * Memory Information Register - Bank 0 - OFfset 8
280 ****************************************************************************
282 #define LAN91C96_MIR_SIZE (0x18 << 0) /* 6144 bytes */
285 ****************************************************************************
286 * Memory Configuration Register - Bank 0 - Offset 10
287 ****************************************************************************
289 #define LAN91C96_MCR_MEM_RES (0xFFU << 0)
290 #define LAN91C96_MCR_MEM_MULT (0x3U << 9)
291 #define LAN91C96_MCR_HIGH_ID (0x3U << 12)
293 #define LAN91C96_MCR_TRANSMIT_PAGES 0x6
296 ****************************************************************************
297 * Bank 1 Register Map in I/O Space
298 ****************************************************************************
300 #define LAN91C96_CONFIG 0 /* Configuration Register */
301 #define LAN91C96_BASE 2 /* Base Address Register */
302 #define LAN91C96_IA0 4 /* Individual Address Register - 0 */
303 #define LAN91C96_IA1 5 /* Individual Address Register - 1 */
304 #define LAN91C96_IA2 6 /* Individual Address Register - 2 */
305 #define LAN91C96_IA3 7 /* Individual Address Register - 3 */
306 #define LAN91C96_IA4 8 /* Individual Address Register - 4 */
307 #define LAN91C96_IA5 9 /* Individual Address Register - 5 */
308 #define LAN91C96_GEN_PURPOSE 10 /* General Address Registers */
309 #define LAN91C96_CONTROL 12 /* Control Register */
312 ****************************************************************************
313 * Configuration Register - Bank 1 - Offset 0
314 ****************************************************************************
316 #define LAN91C96_CR_INT_SEL0 (0x1U << 1)
317 #define LAN91C96_CR_INT_SEL1 (0x1U << 2)
318 #define LAN91C96_CR_RES (0x3U << 3)
319 #define LAN91C96_CR_DIS_LINK (0x1U << 6)
320 #define LAN91C96_CR_16BIT (0x1U << 7)
321 #define LAN91C96_CR_AUI_SELECT (0x1U << 8)
322 #define LAN91C96_CR_SET_SQLCH (0x1U << 9)
323 #define LAN91C96_CR_FULL_STEP (0x1U << 10)
324 #define LAN91C96_CR_NO_WAIT (0x1U << 12)
327 ****************************************************************************
328 * Base Address Register - Bank 1 - Offset 2
329 ****************************************************************************
331 #define LAN91C96_BAR_RA_BITS (0x27U << 0)
332 #define LAN91C96_BAR_ROM_SIZE (0x1U << 6)
333 #define LAN91C96_BAR_A_BITS (0xFFU << 8)
336 ****************************************************************************
337 * Control Register - Bank 1 - Offset 12
338 ****************************************************************************
340 #define LAN91C96_CTR_STORE (0x1U << 0)
341 #define LAN91C96_CTR_RELOAD (0x1U << 1)
342 #define LAN91C96_CTR_EEPROM (0x1U << 2)
343 #define LAN91C96_CTR_TE_ENABLE (0x1U << 5)
344 #define LAN91C96_CTR_CR_ENABLE (0x1U << 6)
345 #define LAN91C96_CTR_LE_ENABLE (0x1U << 7)
346 #define LAN91C96_CTR_BIT_8 (0x1U << 8)
347 #define LAN91C96_CTR_AUTO_RELEASE (0x1U << 11)
348 #define LAN91C96_CTR_WAKEUP_EN (0x1U << 12)
349 #define LAN91C96_CTR_PWRDN (0x1U << 13)
350 #define LAN91C96_CTR_RCV_BAD (0x1U << 14)
353 ****************************************************************************
354 * Bank 2 Register Map in I/O Space
355 ****************************************************************************
357 #define LAN91C96_MMU 0 /* MMU Command Register */
358 #define LAN91C96_AUTO_TX_START 1 /* Auto Tx Start Register */
359 #define LAN91C96_PNR 2 /* Packet Number Register */
360 #define LAN91C96_ARR 3 /* Allocation Result Register */
361 #define LAN91C96_FIFO 4 /* FIFO Ports Register */
362 #define LAN91C96_POINTER 6 /* Pointer Register */
363 #define LAN91C96_DATA_HIGH 8 /* Data High Register */
364 #define LAN91C96_DATA_LOW 10 /* Data Low Register */
365 #define LAN91C96_INT_STATS 12 /* Interrupt Status Register - RO */
366 #define LAN91C96_INT_ACK 12 /* Interrupt Acknowledge Register -WO */
367 #define LAN91C96_INT_MASK 13 /* Interrupt Mask Register */
370 ****************************************************************************
371 * MMU Command Register - Bank 2 - Offset 0
372 ****************************************************************************
374 #define LAN91C96_MMUCR_NO_BUSY (0x1U << 0)
375 #define LAN91C96_MMUCR_N1 (0x1U << 1)
376 #define LAN91C96_MMUCR_N2 (0x1U << 2)
377 #define LAN91C96_MMUCR_COMMAND (0xFU << 4)
378 #define LAN91C96_MMUCR_ALLOC_TX (0x2U << 4) /* WXYZ = 0010 */
379 #define LAN91C96_MMUCR_RESET_MMU (0x4U << 4) /* WXYZ = 0100 */
380 #define LAN91C96_MMUCR_REMOVE_RX (0x6U << 4) /* WXYZ = 0110 */
381 #define LAN91C96_MMUCR_REMOVE_TX (0x7U << 4) /* WXYZ = 0111 */
382 #define LAN91C96_MMUCR_RELEASE_RX (0x8U << 4) /* WXYZ = 1000 */
383 #define LAN91C96_MMUCR_RELEASE_TX (0xAU << 4) /* WXYZ = 1010 */
384 #define LAN91C96_MMUCR_ENQUEUE (0xCU << 4) /* WXYZ = 1100 */
385 #define LAN91C96_MMUCR_RESET_TX (0xEU << 4) /* WXYZ = 1110 */
388 ****************************************************************************
389 * Auto Tx Start Register - Bank 2 - Offset 1
390 ****************************************************************************
392 #define LAN91C96_AUTOTX (0xFFU << 0)
395 ****************************************************************************
396 * Packet Number Register - Bank 2 - Offset 2
397 ****************************************************************************
399 #define LAN91C96_PNR_TX (0x1FU << 0)
402 ****************************************************************************
403 * Allocation Result Register - Bank 2 - Offset 3
404 ****************************************************************************
406 #define LAN91C96_ARR_ALLOC_PN (0x7FU << 0)
407 #define LAN91C96_ARR_FAILED (0x1U << 7)
410 ****************************************************************************
411 * FIFO Ports Register - Bank 2 - Offset 4
412 ****************************************************************************
414 #define LAN91C96_FIFO_TX_DONE_PN (0x1FU << 0)
415 #define LAN91C96_FIFO_TEMPTY (0x1U << 7)
416 #define LAN91C96_FIFO_RX_DONE_PN (0x1FU << 8)
417 #define LAN91C96_FIFO_RXEMPTY (0x1U << 15)
420 ****************************************************************************
421 * Pointer Register - Bank 2 - Offset 6
422 ****************************************************************************
424 #define LAN91C96_PTR_LOW (0xFFU << 0)
425 #define LAN91C96_PTR_HIGH (0x7U << 8)
426 #define LAN91C96_PTR_AUTO_TX (0x1U << 11)
427 #define LAN91C96_PTR_ETEN (0x1U << 12)
428 #define LAN91C96_PTR_READ (0x1U << 13)
429 #define LAN91C96_PTR_AUTO_INCR (0x1U << 14)
430 #define LAN91C96_PTR_RCV (0x1U << 15)
432 #define LAN91C96_PTR_RX_FRAME (LAN91C96_PTR_RCV | \
433 LAN91C96_PTR_AUTO_INCR | \
437 ****************************************************************************
438 * Data Register - Bank 2 - Offset 8
439 ****************************************************************************
441 #define LAN91C96_CONTROL_CRC (0x1U << 4) /* CRC bit */
442 #define LAN91C96_CONTROL_ODD (0x1U << 5) /* ODD bit */
445 ****************************************************************************
446 * Interrupt Status Register - Bank 2 - Offset 12
447 ****************************************************************************
449 #define LAN91C96_IST_RCV_INT (0x1U << 0)
450 #define LAN91C96_IST_TX_INT (0x1U << 1)
451 #define LAN91C96_IST_TX_EMPTY_INT (0x1U << 2)
452 #define LAN91C96_IST_ALLOC_INT (0x1U << 3)
453 #define LAN91C96_IST_RX_OVRN_INT (0x1U << 4)
454 #define LAN91C96_IST_EPH_INT (0x1U << 5)
455 #define LAN91C96_IST_ERCV_INT (0x1U << 6)
456 #define LAN91C96_IST_RX_IDLE_INT (0x1U << 7)
459 ****************************************************************************
460 * Interrupt Acknowledge Register - Bank 2 - Offset 12
461 ****************************************************************************
463 #define LAN91C96_ACK_TX_INT (0x1U << 1)
464 #define LAN91C96_ACK_TX_EMPTY_INT (0x1U << 2)
465 #define LAN91C96_ACK_RX_OVRN_INT (0x1U << 4)
466 #define LAN91C96_ACK_ERCV_INT (0x1U << 6)
469 ****************************************************************************
470 * Interrupt Mask Register - Bank 2 - Offset 13
471 ****************************************************************************
473 #define LAN91C96_MSK_RCV_INT (0x1U << 0)
474 #define LAN91C96_MSK_TX_INT (0x1U << 1)
475 #define LAN91C96_MSK_TX_EMPTY_INT (0x1U << 2)
476 #define LAN91C96_MSK_ALLOC_INT (0x1U << 3)
477 #define LAN91C96_MSK_RX_OVRN_INT (0x1U << 4)
478 #define LAN91C96_MSK_EPH_INT (0x1U << 5)
479 #define LAN91C96_MSK_ERCV_INT (0x1U << 6)
480 #define LAN91C96_MSK_TX_IDLE_INT (0x1U << 7)
483 ****************************************************************************
484 * Bank 3 Register Map in I/O Space
485 **************************************************************************
487 #define LAN91C96_MGMT_MDO (0x1U << 0)
488 #define LAN91C96_MGMT_MDI (0x1U << 1)
489 #define LAN91C96_MGMT_MCLK (0x1U << 2)
490 #define LAN91C96_MGMT_MDOE (0x1U << 3)
491 #define LAN91C96_MGMT_LOW_ID (0x3U << 4)
492 #define LAN91C96_MGMT_IOS0 (0x1U << 8)
493 #define LAN91C96_MGMT_IOS1 (0x1U << 9)
494 #define LAN91C96_MGMT_IOS2 (0x1U << 10)
495 #define LAN91C96_MGMT_nXNDEC (0x1U << 11)
496 #define LAN91C96_MGMT_HIGH_ID (0x3U << 12)
499 ****************************************************************************
500 * Revision Register - Bank 3 - Offset 10
501 ****************************************************************************
503 #define LAN91C96_REV_REVID (0xFU << 0)
504 #define LAN91C96_REV_CHIPID (0xFU << 4)
507 ****************************************************************************
508 * Early RCV Register - Bank 3 - Offset 12
509 ****************************************************************************
511 #define LAN91C96_ERCV_THRESHOLD (0x1FU << 0)
512 #define LAN91C96_ERCV_RCV_DISCRD (0x1U << 7)
515 ****************************************************************************
516 * PCMCIA Configuration Registers
517 ****************************************************************************
519 #define LAN91C96_ECOR 0x8000 /* Ethernet Configuration Register */
520 #define LAN91C96_ECSR 0x8002 /* Ethernet Configuration and Status */
523 ****************************************************************************
524 * PCMCIA Ethernet Configuration Option Register (ECOR)
525 ****************************************************************************
527 #define LAN91C96_ECOR_ENABLE (0x1U << 0)
528 #define LAN91C96_ECOR_WR_ATTRIB (0x1U << 2)
529 #define LAN91C96_ECOR_LEVEL_REQ (0x1U << 6)
530 #define LAN91C96_ECOR_SRESET (0x1U << 7)
533 ****************************************************************************
534 * PCMCIA Ethernet Configuration and Status Register (ECSR)
535 ****************************************************************************
537 #define LAN91C96_ECSR_INTR (0x1U << 1)
538 #define LAN91C96_ECSR_PWRDWN (0x1U << 2)
539 #define LAN91C96_ECSR_IOIS8 (0x1U << 5)
542 ****************************************************************************
543 * Receive Frame Status Word - See page 38 of the LAN91C96 specification.
544 ****************************************************************************
546 #define LAN91C96_TOO_SHORT (0x1U << 10)
547 #define LAN91C96_TOO_LONG (0x1U << 11)
548 #define LAN91C96_ODD_FRM (0x1U << 12)
549 #define LAN91C96_BAD_CRC (0x1U << 13)
550 #define LAN91C96_BROD_CAST (0x1U << 14)
551 #define LAN91C96_ALGN_ERR (0x1U << 15)
553 #define FRAME_FILTER (LAN91C96_TOO_SHORT | LAN91C96_TOO_LONG | LAN91C96_BAD_CRC | LAN91C96_ALGN_ERR)
556 ****************************************************************************
557 * Default MAC Address
558 ****************************************************************************
560 #define MAC_DEF_HI 0x0800
561 #define MAC_DEF_MED 0x3333
562 #define MAC_DEF_LO 0x0100
565 ****************************************************************************
566 * Default I/O Signature - 0x33
567 ****************************************************************************
569 #define LAN91C96_LOW_SIGNATURE (0x33U << 0)
570 #define LAN91C96_HIGH_SIGNATURE (0x33U << 8)
571 #define LAN91C96_SIGNATURE (LAN91C96_HIGH_SIGNATURE | LAN91C96_LOW_SIGNATURE)
573 #define LAN91C96_MAX_PAGES 6 /* Maximum number of 256 pages. */
574 #define ETHERNET_MAX_LENGTH 1514
577 /*-------------------------------------------------------------------------
578 * I define some macros to make it easier to do somewhat common
579 * or slightly complicated, repeated tasks.
580 *-------------------------------------------------------------------------
583 /* select a register bank, 0 to 3 */
585 #define SMC_SELECT_BANK(edev, x) { SMC_outw(edev, x, LAN91C96_BANK_SELECT); }
587 /* this enables an interrupt in the interrupt mask register */
588 #define SMC_ENABLE_INT(edev, x) {\
590 SMC_SELECT_BANK(edev, 2);\
591 mask = SMC_inb(edev, LAN91C96_INT_MASK);\
593 SMC_outb(edev, mask, LAN91C96_INT_MASK); \
596 /* this disables an interrupt from the interrupt mask register */
598 #define SMC_DISABLE_INT(edev, x) {\
600 SMC_SELECT_BANK(edev, 2);\
601 mask = SMC_inb(edev, LAN91C96_INT_MASK);\
603 SMC_outb(edev, mask, LAN91C96_INT_MASK); \
606 /*----------------------------------------------------------------------
607 * Define the interrupts that I want to receive from the card
610 * LAN91C96_IST_EPH_INT, for nasty errors
611 * LAN91C96_IST_RCV_INT, for happy received packets
612 * LAN91C96_IST_RX_OVRN_INT, because I have to kick the receiver
613 *-------------------------------------------------------------------------
615 #define SMC_INTERRUPT_MASK (LAN91C96_IST_EPH_INT | LAN91C96_IST_RX_OVRN_INT | LAN91C96_IST_RCV_INT)
617 #endif /* _LAN91C96_H_ */