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[TG3]: Set minimal hw interrupt mitigation.
[linux-2.6/verdex.git] / drivers / net / smc91x.h
blobddd2688e7d33ee61e76c9fad7e7796a5273ef825
1 /*------------------------------------------------------------------------
2 . smc91x.h - macros for SMSC's 91C9x/91C1xx single-chip Ethernet device.
3 .
4 . Copyright (C) 1996 by Erik Stahlman
5 . Copyright (C) 2001 Standard Microsystems Corporation
6 . Developed by Simple Network Magic Corporation
7 . Copyright (C) 2003 Monta Vista Software, Inc.
8 . Unified SMC91x driver by Nicolas Pitre
9 .
10 . This program is free software; you can redistribute it and/or modify
11 . it under the terms of the GNU General Public License as published by
12 . the Free Software Foundation; either version 2 of the License, or
13 . (at your option) any later version.
14 .
15 . This program is distributed in the hope that it will be useful,
16 . but WITHOUT ANY WARRANTY; without even the implied warranty of
17 . MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 . GNU General Public License for more details.
19 .
20 . You should have received a copy of the GNU General Public License
21 . along with this program; if not, write to the Free Software
22 . Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 .
24 . Information contained in this file was obtained from the LAN91C111
25 . manual from SMC. To get a copy, if you really want one, you can find
26 . information under www.smsc.com.
27 .
28 . Authors
29 . Erik Stahlman <erik@vt.edu>
30 . Daris A Nevil <dnevil@snmc.com>
31 . Nicolas Pitre <nico@cam.org>
32 .
33 ---------------------------------------------------------------------------*/
34 #ifndef _SMC91X_H_
35 #define _SMC91X_H_
36
37
38 /*
39 * Define your architecture specific bus configuration parameters here.
40 */
41
42 #if defined(CONFIG_ARCH_LUBBOCK)
43
44 /* We can only do 16-bit reads and writes in the static memory space. */
45 #define SMC_CAN_USE_8BIT 0
46 #define SMC_CAN_USE_16BIT 1
47 #define SMC_CAN_USE_32BIT 0
48 #define SMC_NOWAIT 1
49
50 /* The first two address lines aren't connected... */
51 #define SMC_IO_SHIFT 2
52
53 #define SMC_inw(a, r) readw((a) + (r))
54 #define SMC_outw(v, a, r) writew(v, (a) + (r))
55 #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
56 #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
57
58 #elif defined(CONFIG_REDWOOD_5) || defined(CONFIG_REDWOOD_6)
59
60 /* We can only do 16-bit reads and writes in the static memory space. */
61 #define SMC_CAN_USE_8BIT 0
62 #define SMC_CAN_USE_16BIT 1
63 #define SMC_CAN_USE_32BIT 0
64 #define SMC_NOWAIT 1
65
66 #define SMC_IO_SHIFT 0
67
68 #define SMC_inw(a, r) in_be16((volatile u16 *)((a) + (r)))
69 #define SMC_outw(v, a, r) out_be16((volatile u16 *)((a) + (r)), v)
70 #define SMC_insw(a, r, p, l) \
71 do { \
72 unsigned long __port = (a) + (r); \
73 u16 *__p = (u16 *)(p); \
74 int __l = (l); \
75 insw(__port, __p, __l); \
76 while (__l > 0) { \
77 *__p = swab16(*__p); \
78 __p++; \
79 __l--; \
80 } \
81 } while (0)
82 #define SMC_outsw(a, r, p, l) \
83 do { \
84 unsigned long __port = (a) + (r); \
85 u16 *__p = (u16 *)(p); \
86 int __l = (l); \
87 while (__l > 0) { \
88 /* Believe it or not, the swab isn't needed. */ \
89 outw( /* swab16 */ (*__p++), __port); \
90 __l--; \
91 } \
92 } while (0)
93 #define set_irq_type(irq, type)
94
95 #elif defined(CONFIG_SA1100_PLEB)
96 /* We can only do 16-bit reads and writes in the static memory space. */
97 #define SMC_CAN_USE_8BIT 1
98 #define SMC_CAN_USE_16BIT 1
99 #define SMC_CAN_USE_32BIT 0
100 #define SMC_IO_SHIFT 0
101 #define SMC_NOWAIT 1
102
103 #define SMC_inb(a, r) inb((a) + (r))
104 #define SMC_insb(a, r, p, l) insb((a) + (r), p, (l))
105 #define SMC_inw(a, r) inw((a) + (r))
106 #define SMC_insw(a, r, p, l) insw((a) + (r), p, l)
107 #define SMC_outb(v, a, r) outb(v, (a) + (r))
108 #define SMC_outsb(a, r, p, l) outsb((a) + (r), p, (l))
109 #define SMC_outw(v, a, r) outw(v, (a) + (r))
110 #define SMC_outsw(a, r, p, l) outsw((a) + (r), p, l)
111
112 #define set_irq_type(irq, type) do {} while (0)
113
114 #elif defined(CONFIG_SA1100_ASSABET)
115
116 #include <asm/arch/neponset.h>
117
118 /* We can only do 8-bit reads and writes in the static memory space. */
119 #define SMC_CAN_USE_8BIT 1
120 #define SMC_CAN_USE_16BIT 0
121 #define SMC_CAN_USE_32BIT 0
122 #define SMC_NOWAIT 1
123
124 /* The first two address lines aren't connected... */
125 #define SMC_IO_SHIFT 2
126
127 #define SMC_inb(a, r) readb((a) + (r))
128 #define SMC_outb(v, a, r) writeb(v, (a) + (r))
129 #define SMC_insb(a, r, p, l) readsb((a) + (r), p, (l))
130 #define SMC_outsb(a, r, p, l) writesb((a) + (r), p, (l))
131
132 #elif defined(CONFIG_ARCH_INNOKOM) || \
133 defined(CONFIG_MACH_MAINSTONE) || \
134 defined(CONFIG_ARCH_PXA_IDP) || \
135 defined(CONFIG_ARCH_RAMSES)
136
137 #define SMC_CAN_USE_8BIT 1
138 #define SMC_CAN_USE_16BIT 1
139 #define SMC_CAN_USE_32BIT 1
140 #define SMC_IO_SHIFT 0
141 #define SMC_NOWAIT 1
142 #define SMC_USE_PXA_DMA 1
143
144 #define SMC_inb(a, r) readb((a) + (r))
145 #define SMC_inw(a, r) readw((a) + (r))
146 #define SMC_inl(a, r) readl((a) + (r))
147 #define SMC_outb(v, a, r) writeb(v, (a) + (r))
148 #define SMC_outl(v, a, r) writel(v, (a) + (r))
149 #define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
150 #define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
151
152 /* We actually can't write halfwords properly if not word aligned */
153 static inline void
154 SMC_outw(u16 val, unsigned long ioaddr, int reg)
155 {
156 if (reg & 2) {
157 unsigned int v = val << 16;
158 v |= readl(ioaddr + (reg & ~2)) & 0xffff;
159 writel(v, ioaddr + (reg & ~2));
160 } else {
161 writew(val, ioaddr + reg);
162 }
163 }
164
165 #elif defined(CONFIG_ARCH_OMAP)
166
167 /* We can only do 16-bit reads and writes in the static memory space. */
168 #define SMC_CAN_USE_8BIT 0
169 #define SMC_CAN_USE_16BIT 1
170 #define SMC_CAN_USE_32BIT 0
171 #define SMC_IO_SHIFT 0
172 #define SMC_NOWAIT 1
173
174 #define SMC_inb(a, r) readb((a) + (r))
175 #define SMC_outb(v, a, r) writeb(v, (a) + (r))
176 #define SMC_inw(a, r) readw((a) + (r))
177 #define SMC_outw(v, a, r) writew(v, (a) + (r))
178 #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
179 #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
180 #define SMC_inl(a, r) readl((a) + (r))
181 #define SMC_outl(v, a, r) writel(v, (a) + (r))
182 #define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
183 #define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
184
185 #elif defined(CONFIG_SH_SH4202_MICRODEV)
186
187 #define SMC_CAN_USE_8BIT 0
188 #define SMC_CAN_USE_16BIT 1
189 #define SMC_CAN_USE_32BIT 0
190
191 #define SMC_inb(a, r) inb((a) + (r) - 0xa0000000)
192 #define SMC_inw(a, r) inw((a) + (r) - 0xa0000000)
193 #define SMC_inl(a, r) inl((a) + (r) - 0xa0000000)
194 #define SMC_outb(v, a, r) outb(v, (a) + (r) - 0xa0000000)
195 #define SMC_outw(v, a, r) outw(v, (a) + (r) - 0xa0000000)
196 #define SMC_outl(v, a, r) outl(v, (a) + (r) - 0xa0000000)
197 #define SMC_insl(a, r, p, l) insl((a) + (r) - 0xa0000000, p, l)
198 #define SMC_outsl(a, r, p, l) outsl((a) + (r) - 0xa0000000, p, l)
199 #define SMC_insw(a, r, p, l) insw((a) + (r) - 0xa0000000, p, l)
200 #define SMC_outsw(a, r, p, l) outsw((a) + (r) - 0xa0000000, p, l)
201
202 #define set_irq_type(irq, type) do {} while(0)
203
204 #elif defined(CONFIG_ISA)
205
206 #define SMC_CAN_USE_8BIT 1
207 #define SMC_CAN_USE_16BIT 1
208 #define SMC_CAN_USE_32BIT 0
209
210 #define SMC_inb(a, r) inb((a) + (r))
211 #define SMC_inw(a, r) inw((a) + (r))
212 #define SMC_outb(v, a, r) outb(v, (a) + (r))
213 #define SMC_outw(v, a, r) outw(v, (a) + (r))
214 #define SMC_insw(a, r, p, l) insw((a) + (r), p, l)
215 #define SMC_outsw(a, r, p, l) outsw((a) + (r), p, l)
216
217 #elif defined(CONFIG_M32R)
218
219 #define SMC_CAN_USE_8BIT 0
220 #define SMC_CAN_USE_16BIT 1
221 #define SMC_CAN_USE_32BIT 0
222
223 #define SMC_inb(a, r) inb((a) + (r) - 0xa0000000)
224 #define SMC_inw(a, r) inw((a) + (r) - 0xa0000000)
225 #define SMC_outb(v, a, r) outb(v, (a) + (r) - 0xa0000000)
226 #define SMC_outw(v, a, r) outw(v, (a) + (r) - 0xa0000000)
227 #define SMC_insw(a, r, p, l) insw((a) + (r) - 0xa0000000, p, l)
228 #define SMC_outsw(a, r, p, l) outsw((a) + (r) - 0xa0000000, p, l)
229
230 #define set_irq_type(irq, type) do {} while(0)
231
232 #define RPC_LSA_DEFAULT RPC_LED_TX_RX
233 #define RPC_LSB_DEFAULT RPC_LED_100_10
234
235 #elif defined(CONFIG_MACH_LPD7A400) || defined(CONFIG_MACH_LPD7A404)
236
237 /* The LPD7A40X_IOBARRIER is necessary to overcome a mismatch between
238 * the way that the CPU handles chip selects and the way that the SMC
239 * chip expects the chip select to operate. Refer to
240 * Documentation/arm/Sharp-LH/IOBarrier for details. The read from
241 * IOBARRIER is a byte as a least-common denominator of possible
242 * regions to use as the barrier. It would be wasteful to read 32
243 * bits from a byte oriented region.
244 *
245 * There is no explicit protection against interrupts intervening
246 * between the writew and the IOBARRIER. In SMC ISR there is a
247 * preamble that performs an IOBARRIER in the extremely unlikely event
248 * that the driver interrupts itself between a writew to the chip an
249 * the IOBARRIER that follows *and* the cache is large enough that the
250 * first off-chip access while handing the interrupt is to the SMC
251 * chip. Other devices in the same address space as the SMC chip must
252 * be aware of the potential for trouble and perform a similar
253 * IOBARRIER on entry to their ISR.
254 */
255
256 #include <asm/arch/constants.h> /* IOBARRIER_VIRT */
257
258 #define SMC_CAN_USE_8BIT 0
259 #define SMC_CAN_USE_16BIT 1
260 #define SMC_CAN_USE_32BIT 0
261 #define SMC_NOWAIT 0
262 #define LPD7A40X_IOBARRIER readb (IOBARRIER_VIRT)
263
264 #define SMC_inw(a,r) readw ((void*) ((a) + (r)))
265 #define SMC_insw(a,r,p,l) readsw ((void*) ((a) + (r)), p, l)
266 #define SMC_outw(v,a,r) ({ writew ((v), (a) + (r)); LPD7A40X_IOBARRIER; })
267
268 static inline void SMC_outsw (unsigned long a, int r, unsigned char* p, int l)
269 {
270 unsigned short* ps = (unsigned short*) p;
271 while (l-- > 0) {
272 writew (*ps++, a + r);
273 LPD7A40X_IOBARRIER;
274 }
275 }
276
277 #define SMC_INTERRUPT_PREAMBLE LPD7A40X_IOBARRIER
278
279 #define RPC_LSA_DEFAULT RPC_LED_TX_RX
280 #define RPC_LSB_DEFAULT RPC_LED_100_10
281
282 #else
283
284 #define SMC_CAN_USE_8BIT 1
285 #define SMC_CAN_USE_16BIT 1
286 #define SMC_CAN_USE_32BIT 1
287 #define SMC_NOWAIT 1
288
289 #define SMC_inb(a, r) readb((a) + (r))
290 #define SMC_inw(a, r) readw((a) + (r))
291 #define SMC_inl(a, r) readl((a) + (r))
292 #define SMC_outb(v, a, r) writeb(v, (a) + (r))
293 #define SMC_outw(v, a, r) writew(v, (a) + (r))
294 #define SMC_outl(v, a, r) writel(v, (a) + (r))
295 #define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
296 #define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
297
298 #define RPC_LSA_DEFAULT RPC_LED_100_10
299 #define RPC_LSB_DEFAULT RPC_LED_TX_RX
300
301 #endif
302
303
304 #ifdef SMC_USE_PXA_DMA
305 /*
306 * Let's use the DMA engine on the XScale PXA2xx for RX packets. This is
307 * always happening in irq context so no need to worry about races. TX is
308 * different and probably not worth it for that reason, and not as critical
309 * as RX which can overrun memory and lose packets.
310 */
311 #include <linux/dma-mapping.h>
312 #include <asm/dma.h>
313 #include <asm/arch/pxa-regs.h>
314
315 #ifdef SMC_insl
316 #undef SMC_insl
317 #define SMC_insl(a, r, p, l) \
318 smc_pxa_dma_insl(a, lp->physaddr, r, dev->dma, p, l)
319 static inline void
320 smc_pxa_dma_insl(u_long ioaddr, u_long physaddr, int reg, int dma,
321 u_char *buf, int len)
322 {
323 dma_addr_t dmabuf;
324
325 /* fallback if no DMA available */
326 if (dma == (unsigned char)-1) {
327 readsl(ioaddr + reg, buf, len);
328 return;
329 }
330
331 /* 64 bit alignment is required for memory to memory DMA */
332 if ((long)buf & 4) {
333 *((u32 *)buf) = SMC_inl(ioaddr, reg);
334 buf += 4;
335 len--;
336 }
337
338 len *= 4;
339 dmabuf = dma_map_single(NULL, buf, len, DMA_FROM_DEVICE);
340 DCSR(dma) = DCSR_NODESC;
341 DTADR(dma) = dmabuf;
342 DSADR(dma) = physaddr + reg;
343 DCMD(dma) = (DCMD_INCTRGADDR | DCMD_BURST32 |
344 DCMD_WIDTH4 | (DCMD_LENGTH & len));
345 DCSR(dma) = DCSR_NODESC | DCSR_RUN;
346 while (!(DCSR(dma) & DCSR_STOPSTATE))
347 cpu_relax();
348 DCSR(dma) = 0;
349 dma_unmap_single(NULL, dmabuf, len, DMA_FROM_DEVICE);
350 }
351 #endif
352
353 #ifdef SMC_insw
354 #undef SMC_insw
355 #define SMC_insw(a, r, p, l) \
356 smc_pxa_dma_insw(a, lp->physaddr, r, dev->dma, p, l)
357 static inline void
358 smc_pxa_dma_insw(u_long ioaddr, u_long physaddr, int reg, int dma,
359 u_char *buf, int len)
360 {
361 dma_addr_t dmabuf;
362
363 /* fallback if no DMA available */
364 if (dma == (unsigned char)-1) {
365 readsw(ioaddr + reg, buf, len);
366 return;
367 }
368
369 /* 64 bit alignment is required for memory to memory DMA */
370 while ((long)buf & 6) {
371 *((u16 *)buf) = SMC_inw(ioaddr, reg);
372 buf += 2;
373 len--;
374 }
375
376 len *= 2;
377 dmabuf = dma_map_single(NULL, buf, len, DMA_FROM_DEVICE);
378 DCSR(dma) = DCSR_NODESC;
379 DTADR(dma) = dmabuf;
380 DSADR(dma) = physaddr + reg;
381 DCMD(dma) = (DCMD_INCTRGADDR | DCMD_BURST32 |
382 DCMD_WIDTH2 | (DCMD_LENGTH & len));
383 DCSR(dma) = DCSR_NODESC | DCSR_RUN;
384 while (!(DCSR(dma) & DCSR_STOPSTATE))
385 cpu_relax();
386 DCSR(dma) = 0;
387 dma_unmap_single(NULL, dmabuf, len, DMA_FROM_DEVICE);
388 }
389 #endif
390
391 static void
392 smc_pxa_dma_irq(int dma, void *dummy, struct pt_regs *regs)
393 {
394 DCSR(dma) = 0;
395 }
396 #endif /* SMC_USE_PXA_DMA */
397
398
399 /* Because of bank switching, the LAN91x uses only 16 I/O ports */
400 #ifndef SMC_IO_SHIFT
401 #define SMC_IO_SHIFT 0
402 #endif
403 #define SMC_IO_EXTENT (16 << SMC_IO_SHIFT)
404 #define SMC_DATA_EXTENT (4)
405
406 /*
407 . Bank Select Register:
408 .
409 . yyyy yyyy 0000 00xx
410 . xx = bank number
411 . yyyy yyyy = 0x33, for identification purposes.
412 */
413 #define BANK_SELECT (14 << SMC_IO_SHIFT)
414
415
416 // Transmit Control Register
417 /* BANK 0 */
418 #define TCR_REG SMC_REG(0x0000, 0)
419 #define TCR_ENABLE 0x0001 // When 1 we can transmit
420 #define TCR_LOOP 0x0002 // Controls output pin LBK
421 #define TCR_FORCOL 0x0004 // When 1 will force a collision
422 #define TCR_PAD_EN 0x0080 // When 1 will pad tx frames < 64 bytes w/0
423 #define TCR_NOCRC 0x0100 // When 1 will not append CRC to tx frames
424 #define TCR_MON_CSN 0x0400 // When 1 tx monitors carrier
425 #define TCR_FDUPLX 0x0800 // When 1 enables full duplex operation
426 #define TCR_STP_SQET 0x1000 // When 1 stops tx if Signal Quality Error
427 #define TCR_EPH_LOOP 0x2000 // When 1 enables EPH block loopback
428 #define TCR_SWFDUP 0x8000 // When 1 enables Switched Full Duplex mode
429
430 #define TCR_CLEAR 0 /* do NOTHING */
431 /* the default settings for the TCR register : */
432 #define TCR_DEFAULT (TCR_ENABLE | TCR_PAD_EN)
433
434
435 // EPH Status Register
436 /* BANK 0 */
437 #define EPH_STATUS_REG SMC_REG(0x0002, 0)
438 #define ES_TX_SUC 0x0001 // Last TX was successful
439 #define ES_SNGL_COL 0x0002 // Single collision detected for last tx
440 #define ES_MUL_COL 0x0004 // Multiple collisions detected for last tx
441 #define ES_LTX_MULT 0x0008 // Last tx was a multicast
442 #define ES_16COL 0x0010 // 16 Collisions Reached
443 #define ES_SQET 0x0020 // Signal Quality Error Test
444 #define ES_LTXBRD 0x0040 // Last tx was a broadcast
445 #define ES_TXDEFR 0x0080 // Transmit Deferred
446 #define ES_LATCOL 0x0200 // Late collision detected on last tx
447 #define ES_LOSTCARR 0x0400 // Lost Carrier Sense
448 #define ES_EXC_DEF 0x0800 // Excessive Deferral
449 #define ES_CTR_ROL 0x1000 // Counter Roll Over indication
450 #define ES_LINK_OK 0x4000 // Driven by inverted value of nLNK pin
451 #define ES_TXUNRN 0x8000 // Tx Underrun
452
453
454 // Receive Control Register
455 /* BANK 0 */
456 #define RCR_REG SMC_REG(0x0004, 0)
457 #define RCR_RX_ABORT 0x0001 // Set if a rx frame was aborted
458 #define RCR_PRMS 0x0002 // Enable promiscuous mode
459 #define RCR_ALMUL 0x0004 // When set accepts all multicast frames
460 #define RCR_RXEN 0x0100 // IFF this is set, we can receive packets
461 #define RCR_STRIP_CRC 0x0200 // When set strips CRC from rx packets
462 #define RCR_ABORT_ENB 0x0200 // When set will abort rx on collision
463 #define RCR_FILT_CAR 0x0400 // When set filters leading 12 bit s of carrier
464 #define RCR_SOFTRST 0x8000 // resets the chip
465
466 /* the normal settings for the RCR register : */
467 #define RCR_DEFAULT (RCR_STRIP_CRC | RCR_RXEN)
468 #define RCR_CLEAR 0x0 // set it to a base state
469
470
471 // Counter Register
472 /* BANK 0 */
473 #define COUNTER_REG SMC_REG(0x0006, 0)
474
475
476 // Memory Information Register
477 /* BANK 0 */
478 #define MIR_REG SMC_REG(0x0008, 0)
479
480
481 // Receive/Phy Control Register
482 /* BANK 0 */
483 #define RPC_REG SMC_REG(0x000A, 0)
484 #define RPC_SPEED 0x2000 // When 1 PHY is in 100Mbps mode.
485 #define RPC_DPLX 0x1000 // When 1 PHY is in Full-Duplex Mode
486 #define RPC_ANEG 0x0800 // When 1 PHY is in Auto-Negotiate Mode
487 #define RPC_LSXA_SHFT 5 // Bits to shift LS2A,LS1A,LS0A to lsb
488 #define RPC_LSXB_SHFT 2 // Bits to get LS2B,LS1B,LS0B to lsb
489 #define RPC_LED_100_10 (0x00) // LED = 100Mbps OR's with 10Mbps link detect
490 #define RPC_LED_RES (0x01) // LED = Reserved
491 #define RPC_LED_10 (0x02) // LED = 10Mbps link detect
492 #define RPC_LED_FD (0x03) // LED = Full Duplex Mode
493 #define RPC_LED_TX_RX (0x04) // LED = TX or RX packet occurred
494 #define RPC_LED_100 (0x05) // LED = 100Mbps link dectect
495 #define RPC_LED_TX (0x06) // LED = TX packet occurred
496 #define RPC_LED_RX (0x07) // LED = RX packet occurred
497
498 #ifndef RPC_LSA_DEFAULT
499 #define RPC_LSA_DEFAULT RPC_LED_100
500 #endif
501 #ifndef RPC_LSB_DEFAULT
502 #define RPC_LSB_DEFAULT RPC_LED_FD
503 #endif
504
505 #define RPC_DEFAULT (RPC_ANEG | (RPC_LSA_DEFAULT << RPC_LSXA_SHFT) | (RPC_LSB_DEFAULT << RPC_LSXB_SHFT) | RPC_SPEED | RPC_DPLX)
506
507
508 /* Bank 0 0x0C is reserved */
509
510 // Bank Select Register
511 /* All Banks */
512 #define BSR_REG 0x000E
513
514
515 // Configuration Reg
516 /* BANK 1 */
517 #define CONFIG_REG SMC_REG(0x0000, 1)
518 #define CONFIG_EXT_PHY 0x0200 // 1=external MII, 0=internal Phy
519 #define CONFIG_GPCNTRL 0x0400 // Inverse value drives pin nCNTRL
520 #define CONFIG_NO_WAIT 0x1000 // When 1 no extra wait states on ISA bus
521 #define CONFIG_EPH_POWER_EN 0x8000 // When 0 EPH is placed into low power mode.
522
523 // Default is powered-up, Internal Phy, Wait States, and pin nCNTRL=low
524 #define CONFIG_DEFAULT (CONFIG_EPH_POWER_EN)
525
526
527 // Base Address Register
528 /* BANK 1 */
529 #define BASE_REG SMC_REG(0x0002, 1)
530
531
532 // Individual Address Registers
533 /* BANK 1 */
534 #define ADDR0_REG SMC_REG(0x0004, 1)
535 #define ADDR1_REG SMC_REG(0x0006, 1)
536 #define ADDR2_REG SMC_REG(0x0008, 1)
537
538
539 // General Purpose Register
540 /* BANK 1 */
541 #define GP_REG SMC_REG(0x000A, 1)
542
543
544 // Control Register
545 /* BANK 1 */
546 #define CTL_REG SMC_REG(0x000C, 1)
547 #define CTL_RCV_BAD 0x4000 // When 1 bad CRC packets are received
548 #define CTL_AUTO_RELEASE 0x0800 // When 1 tx pages are released automatically
549 #define CTL_LE_ENABLE 0x0080 // When 1 enables Link Error interrupt
550 #define CTL_CR_ENABLE 0x0040 // When 1 enables Counter Rollover interrupt
551 #define CTL_TE_ENABLE 0x0020 // When 1 enables Transmit Error interrupt
552 #define CTL_EEPROM_SELECT 0x0004 // Controls EEPROM reload & store
553 #define CTL_RELOAD 0x0002 // When set reads EEPROM into registers
554 #define CTL_STORE 0x0001 // When set stores registers into EEPROM
555
556
557 // MMU Command Register
558 /* BANK 2 */
559 #define MMU_CMD_REG SMC_REG(0x0000, 2)
560 #define MC_BUSY 1 // When 1 the last release has not completed
561 #define MC_NOP (0<<5) // No Op
562 #define MC_ALLOC (1<<5) // OR with number of 256 byte packets
563 #define MC_RESET (2<<5) // Reset MMU to initial state
564 #define MC_REMOVE (3<<5) // Remove the current rx packet
565 #define MC_RELEASE (4<<5) // Remove and release the current rx packet
566 #define MC_FREEPKT (5<<5) // Release packet in PNR register
567 #define MC_ENQUEUE (6<<5) // Enqueue the packet for transmit
568 #define MC_RSTTXFIFO (7<<5) // Reset the TX FIFOs
569
570
571 // Packet Number Register
572 /* BANK 2 */
573 #define PN_REG SMC_REG(0x0002, 2)
574
575
576 // Allocation Result Register
577 /* BANK 2 */
578 #define AR_REG SMC_REG(0x0003, 2)
579 #define AR_FAILED 0x80 // Alocation Failed
580
581
582 // TX FIFO Ports Register
583 /* BANK 2 */
584 #define TXFIFO_REG SMC_REG(0x0004, 2)
585 #define TXFIFO_TEMPTY 0x80 // TX FIFO Empty
586
587 // RX FIFO Ports Register
588 /* BANK 2 */
589 #define RXFIFO_REG SMC_REG(0x0005, 2)
590 #define RXFIFO_REMPTY 0x80 // RX FIFO Empty
591
592 #define FIFO_REG SMC_REG(0x0004, 2)
593
594 // Pointer Register
595 /* BANK 2 */
596 #define PTR_REG SMC_REG(0x0006, 2)
597 #define PTR_RCV 0x8000 // 1=Receive area, 0=Transmit area
598 #define PTR_AUTOINC 0x4000 // Auto increment the pointer on each access
599 #define PTR_READ 0x2000 // When 1 the operation is a read
600
601
602 // Data Register
603 /* BANK 2 */
604 #define DATA_REG SMC_REG(0x0008, 2)
605
606
607 // Interrupt Status/Acknowledge Register
608 /* BANK 2 */
609 #define INT_REG SMC_REG(0x000C, 2)
610
611
612 // Interrupt Mask Register
613 /* BANK 2 */
614 #define IM_REG SMC_REG(0x000D, 2)
615 #define IM_MDINT 0x80 // PHY MI Register 18 Interrupt
616 #define IM_ERCV_INT 0x40 // Early Receive Interrupt
617 #define IM_EPH_INT 0x20 // Set by Ethernet Protocol Handler section
618 #define IM_RX_OVRN_INT 0x10 // Set by Receiver Overruns
619 #define IM_ALLOC_INT 0x08 // Set when allocation request is completed
620 #define IM_TX_EMPTY_INT 0x04 // Set if the TX FIFO goes empty
621 #define IM_TX_INT 0x02 // Transmit Interrupt
622 #define IM_RCV_INT 0x01 // Receive Interrupt
623
624
625 // Multicast Table Registers
626 /* BANK 3 */
627 #define MCAST_REG1 SMC_REG(0x0000, 3)
628 #define MCAST_REG2 SMC_REG(0x0002, 3)
629 #define MCAST_REG3 SMC_REG(0x0004, 3)
630 #define MCAST_REG4 SMC_REG(0x0006, 3)
631
632
633 // Management Interface Register (MII)
634 /* BANK 3 */
635 #define MII_REG SMC_REG(0x0008, 3)
636 #define MII_MSK_CRS100 0x4000 // Disables CRS100 detection during tx half dup
637 #define MII_MDOE 0x0008 // MII Output Enable
638 #define MII_MCLK 0x0004 // MII Clock, pin MDCLK
639 #define MII_MDI 0x0002 // MII Input, pin MDI
640 #define MII_MDO 0x0001 // MII Output, pin MDO
641
642
643 // Revision Register
644 /* BANK 3 */
645 /* ( hi: chip id low: rev # ) */
646 #define REV_REG SMC_REG(0x000A, 3)
647
648
649 // Early RCV Register
650 /* BANK 3 */
651 /* this is NOT on SMC9192 */
652 #define ERCV_REG SMC_REG(0x000C, 3)
653 #define ERCV_RCV_DISCRD 0x0080 // When 1 discards a packet being received
654 #define ERCV_THRESHOLD 0x001F // ERCV Threshold Mask
655
656
657 // External Register
658 /* BANK 7 */
659 #define EXT_REG SMC_REG(0x0000, 7)
660
661
662 #define CHIP_9192 3
663 #define CHIP_9194 4
664 #define CHIP_9195 5
665 #define CHIP_9196 6
666 #define CHIP_91100 7
667 #define CHIP_91100FD 8
668 #define CHIP_91111FD 9
669
670 static const char * chip_ids[ 16 ] = {
671 NULL, NULL, NULL,
672 /* 3 */ "SMC91C90/91C92",
673 /* 4 */ "SMC91C94",
674 /* 5 */ "SMC91C95",
675 /* 6 */ "SMC91C96",
676 /* 7 */ "SMC91C100",
677 /* 8 */ "SMC91C100FD",
678 /* 9 */ "SMC91C11xFD",
679 NULL, NULL, NULL,
680 NULL, NULL, NULL};
681
682
683 /*
684 . Transmit status bits
685 */
686 #define TS_SUCCESS 0x0001
687 #define TS_LOSTCAR 0x0400
688 #define TS_LATCOL 0x0200
689 #define TS_16COL 0x0010
690
691 /*
692 . Receive status bits
693 */
694 #define RS_ALGNERR 0x8000
695 #define RS_BRODCAST 0x4000
696 #define RS_BADCRC 0x2000
697 #define RS_ODDFRAME 0x1000
698 #define RS_TOOLONG 0x0800
699 #define RS_TOOSHORT 0x0400
700 #define RS_MULTICAST 0x0001
701 #define RS_ERRORS (RS_ALGNERR | RS_BADCRC | RS_TOOLONG | RS_TOOSHORT)
702
703
704 /*
705 * PHY IDs
706 * LAN83C183 == LAN91C111 Internal PHY
707 */
708 #define PHY_LAN83C183 0x0016f840
709 #define PHY_LAN83C180 0x02821c50
710
711 /*
712 * PHY Register Addresses (LAN91C111 Internal PHY)
713 *
714 * Generic PHY registers can be found in <linux/mii.h>
715 *
716 * These phy registers are specific to our on-board phy.
717 */
718
719 // PHY Configuration Register 1
720 #define PHY_CFG1_REG 0x10
721 #define PHY_CFG1_LNKDIS 0x8000 // 1=Rx Link Detect Function disabled
722 #define PHY_CFG1_XMTDIS 0x4000 // 1=TP Transmitter Disabled
723 #define PHY_CFG1_XMTPDN 0x2000 // 1=TP Transmitter Powered Down
724 #define PHY_CFG1_BYPSCR 0x0400 // 1=Bypass scrambler/descrambler
725 #define PHY_CFG1_UNSCDS 0x0200 // 1=Unscramble Idle Reception Disable
726 #define PHY_CFG1_EQLZR 0x0100 // 1=Rx Equalizer Disabled
727 #define PHY_CFG1_CABLE 0x0080 // 1=STP(150ohm), 0=UTP(100ohm)
728 #define PHY_CFG1_RLVL0 0x0040 // 1=Rx Squelch level reduced by 4.5db
729 #define PHY_CFG1_TLVL_SHIFT 2 // Transmit Output Level Adjust
730 #define PHY_CFG1_TLVL_MASK 0x003C
731 #define PHY_CFG1_TRF_MASK 0x0003 // Transmitter Rise/Fall time
732
733
734 // PHY Configuration Register 2
735 #define PHY_CFG2_REG 0x11
736 #define PHY_CFG2_APOLDIS 0x0020 // 1=Auto Polarity Correction disabled
737 #define PHY_CFG2_JABDIS 0x0010 // 1=Jabber disabled
738 #define PHY_CFG2_MREG 0x0008 // 1=Multiple register access (MII mgt)
739 #define PHY_CFG2_INTMDIO 0x0004 // 1=Interrupt signaled with MDIO pulseo
740
741 // PHY Status Output (and Interrupt status) Register
742 #define PHY_INT_REG 0x12 // Status Output (Interrupt Status)
743 #define PHY_INT_INT 0x8000 // 1=bits have changed since last read
744 #define PHY_INT_LNKFAIL 0x4000 // 1=Link Not detected
745 #define PHY_INT_LOSSSYNC 0x2000 // 1=Descrambler has lost sync
746 #define PHY_INT_CWRD 0x1000 // 1=Invalid 4B5B code detected on rx
747 #define PHY_INT_SSD 0x0800 // 1=No Start Of Stream detected on rx
748 #define PHY_INT_ESD 0x0400 // 1=No End Of Stream detected on rx
749 #define PHY_INT_RPOL 0x0200 // 1=Reverse Polarity detected
750 #define PHY_INT_JAB 0x0100 // 1=Jabber detected
751 #define PHY_INT_SPDDET 0x0080 // 1=100Base-TX mode, 0=10Base-T mode
752 #define PHY_INT_DPLXDET 0x0040 // 1=Device in Full Duplex
753
754 // PHY Interrupt/Status Mask Register
755 #define PHY_MASK_REG 0x13 // Interrupt Mask
756 // Uses the same bit definitions as PHY_INT_REG
757
758
759 /*
760 * SMC91C96 ethernet config and status registers.
761 * These are in the "attribute" space.
762 */
763 #define ECOR 0x8000
764 #define ECOR_RESET 0x80
765 #define ECOR_LEVEL_IRQ 0x40
766 #define ECOR_WR_ATTRIB 0x04
767 #define ECOR_ENABLE 0x01
768
769 #define ECSR 0x8002
770 #define ECSR_IOIS8 0x20
771 #define ECSR_PWRDWN 0x04
772 #define ECSR_INT 0x02
773
774 #define ATTRIB_SIZE ((64*1024) << SMC_IO_SHIFT)
775
776
777 /*
778 * Macros to abstract register access according to the data bus
779 * capabilities. Please use those and not the in/out primitives.
780 * Note: the following macros do *not* select the bank -- this must
781 * be done separately as needed in the main code. The SMC_REG() macro
782 * only uses the bank argument for debugging purposes (when enabled).
783 */
784
785 #if SMC_DEBUG > 0
786 #define SMC_REG(reg, bank) \
787 ({ \
788 int __b = SMC_CURRENT_BANK(); \
789 if (unlikely((__b & ~0xf0) != (0x3300 | bank))) { \
790 printk( "%s: bank reg screwed (0x%04x)\n", \
791 CARDNAME, __b ); \
792 BUG(); \
793 } \
794 reg<<SMC_IO_SHIFT; \
795 })
796 #else
797 #define SMC_REG(reg, bank) (reg<<SMC_IO_SHIFT)
798 #endif
799
800 #if SMC_CAN_USE_8BIT
801 #define SMC_GET_PN() SMC_inb( ioaddr, PN_REG )
802 #define SMC_SET_PN(x) SMC_outb( x, ioaddr, PN_REG )
803 #define SMC_GET_AR() SMC_inb( ioaddr, AR_REG )
804 #define SMC_GET_TXFIFO() SMC_inb( ioaddr, TXFIFO_REG )
805 #define SMC_GET_RXFIFO() SMC_inb( ioaddr, RXFIFO_REG )
806 #define SMC_GET_INT() SMC_inb( ioaddr, INT_REG )
807 #define SMC_ACK_INT(x) SMC_outb( x, ioaddr, INT_REG )
808 #define SMC_GET_INT_MASK() SMC_inb( ioaddr, IM_REG )
809 #define SMC_SET_INT_MASK(x) SMC_outb( x, ioaddr, IM_REG )
810 #else
811 #define SMC_GET_PN() (SMC_inw( ioaddr, PN_REG ) & 0xFF)
812 #define SMC_SET_PN(x) SMC_outw( x, ioaddr, PN_REG )
813 #define SMC_GET_AR() (SMC_inw( ioaddr, PN_REG ) >> 8)
814 #define SMC_GET_TXFIFO() (SMC_inw( ioaddr, TXFIFO_REG ) & 0xFF)
815 #define SMC_GET_RXFIFO() (SMC_inw( ioaddr, TXFIFO_REG ) >> 8)
816 #define SMC_GET_INT() (SMC_inw( ioaddr, INT_REG ) & 0xFF)
817 #define SMC_ACK_INT(x) \
818 do { \
819 unsigned long __flags; \
820 int __mask; \
821 local_irq_save(__flags); \
822 __mask = SMC_inw( ioaddr, INT_REG ) & ~0xff; \
823 SMC_outw( __mask | (x), ioaddr, INT_REG ); \
824 local_irq_restore(__flags); \
825 } while (0)
826 #define SMC_GET_INT_MASK() (SMC_inw( ioaddr, INT_REG ) >> 8)
827 #define SMC_SET_INT_MASK(x) SMC_outw( (x) << 8, ioaddr, INT_REG )
828 #endif
829
830 #define SMC_CURRENT_BANK() SMC_inw( ioaddr, BANK_SELECT )
831 #define SMC_SELECT_BANK(x) SMC_outw( x, ioaddr, BANK_SELECT )
832 #define SMC_GET_BASE() SMC_inw( ioaddr, BASE_REG )
833 #define SMC_SET_BASE(x) SMC_outw( x, ioaddr, BASE_REG )
834 #define SMC_GET_CONFIG() SMC_inw( ioaddr, CONFIG_REG )
835 #define SMC_SET_CONFIG(x) SMC_outw( x, ioaddr, CONFIG_REG )
836 #define SMC_GET_COUNTER() SMC_inw( ioaddr, COUNTER_REG )
837 #define SMC_GET_CTL() SMC_inw( ioaddr, CTL_REG )
838 #define SMC_SET_CTL(x) SMC_outw( x, ioaddr, CTL_REG )
839 #define SMC_GET_MII() SMC_inw( ioaddr, MII_REG )
840 #define SMC_SET_MII(x) SMC_outw( x, ioaddr, MII_REG )
841 #define SMC_GET_MIR() SMC_inw( ioaddr, MIR_REG )
842 #define SMC_SET_MIR(x) SMC_outw( x, ioaddr, MIR_REG )
843 #define SMC_GET_MMU_CMD() SMC_inw( ioaddr, MMU_CMD_REG )
844 #define SMC_SET_MMU_CMD(x) SMC_outw( x, ioaddr, MMU_CMD_REG )
845 #define SMC_GET_FIFO() SMC_inw( ioaddr, FIFO_REG )
846 #define SMC_GET_PTR() SMC_inw( ioaddr, PTR_REG )
847 #define SMC_SET_PTR(x) SMC_outw( x, ioaddr, PTR_REG )
848 #define SMC_GET_RCR() SMC_inw( ioaddr, RCR_REG )
849 #define SMC_SET_RCR(x) SMC_outw( x, ioaddr, RCR_REG )
850 #define SMC_GET_REV() SMC_inw( ioaddr, REV_REG )
851 #define SMC_GET_RPC() SMC_inw( ioaddr, RPC_REG )
852 #define SMC_SET_RPC(x) SMC_outw( x, ioaddr, RPC_REG )
853 #define SMC_GET_TCR() SMC_inw( ioaddr, TCR_REG )
854 #define SMC_SET_TCR(x) SMC_outw( x, ioaddr, TCR_REG )
855
856 #ifndef SMC_GET_MAC_ADDR
857 #define SMC_GET_MAC_ADDR(addr) \
858 do { \
859 unsigned int __v; \
860 __v = SMC_inw( ioaddr, ADDR0_REG ); \
861 addr[0] = __v; addr[1] = __v >> 8; \
862 __v = SMC_inw( ioaddr, ADDR1_REG ); \
863 addr[2] = __v; addr[3] = __v >> 8; \
864 __v = SMC_inw( ioaddr, ADDR2_REG ); \
865 addr[4] = __v; addr[5] = __v >> 8; \
866 } while (0)
867 #endif
868
869 #define SMC_SET_MAC_ADDR(addr) \
870 do { \
871 SMC_outw( addr[0]|(addr[1] << 8), ioaddr, ADDR0_REG ); \
872 SMC_outw( addr[2]|(addr[3] << 8), ioaddr, ADDR1_REG ); \
873 SMC_outw( addr[4]|(addr[5] << 8), ioaddr, ADDR2_REG ); \
874 } while (0)
875
876 #define SMC_SET_MCAST(x) \
877 do { \
878 const unsigned char *mt = (x); \
879 SMC_outw( mt[0] | (mt[1] << 8), ioaddr, MCAST_REG1 ); \
880 SMC_outw( mt[2] | (mt[3] << 8), ioaddr, MCAST_REG2 ); \
881 SMC_outw( mt[4] | (mt[5] << 8), ioaddr, MCAST_REG3 ); \
882 SMC_outw( mt[6] | (mt[7] << 8), ioaddr, MCAST_REG4 ); \
883 } while (0)
884
885 #if SMC_CAN_USE_32BIT
886 /*
887 * Some setups just can't write 8 or 16 bits reliably when not aligned
888 * to a 32 bit boundary. I tell you that exists!
889 * We re-do the ones here that can be easily worked around if they can have
890 * their low parts written to 0 without adverse effects.
891 */
892 #undef SMC_SELECT_BANK
893 #define SMC_SELECT_BANK(x) SMC_outl( (x)<<16, ioaddr, 12<<SMC_IO_SHIFT )
894 #undef SMC_SET_RPC
895 #define SMC_SET_RPC(x) SMC_outl( (x)<<16, ioaddr, SMC_REG(8, 0) )
896 #undef SMC_SET_PN
897 #define SMC_SET_PN(x) SMC_outl( (x)<<16, ioaddr, SMC_REG(0, 2) )
898 #undef SMC_SET_PTR
899 #define SMC_SET_PTR(x) SMC_outl( (x)<<16, ioaddr, SMC_REG(4, 2) )
900 #endif
901
902 #if SMC_CAN_USE_32BIT
903 #define SMC_PUT_PKT_HDR(status, length) \
904 SMC_outl( (status) | (length) << 16, ioaddr, DATA_REG )
905 #define SMC_GET_PKT_HDR(status, length) \
906 do { \
907 unsigned int __val = SMC_inl( ioaddr, DATA_REG ); \
908 (status) = __val & 0xffff; \
909 (length) = __val >> 16; \
910 } while (0)
911 #else
912 #define SMC_PUT_PKT_HDR(status, length) \
913 do { \
914 SMC_outw( status, ioaddr, DATA_REG ); \
915 SMC_outw( length, ioaddr, DATA_REG ); \
916 } while (0)
917 #define SMC_GET_PKT_HDR(status, length) \
918 do { \
919 (status) = SMC_inw( ioaddr, DATA_REG ); \
920 (length) = SMC_inw( ioaddr, DATA_REG ); \
921 } while (0)
922 #endif
923
924 #if SMC_CAN_USE_32BIT
925 #define _SMC_PUSH_DATA(p, l) \
926 do { \
927 char *__ptr = (p); \
928 int __len = (l); \
929 if (__len >= 2 && (unsigned long)__ptr & 2) { \
930 __len -= 2; \
931 SMC_outw( *(u16 *)__ptr, ioaddr, DATA_REG ); \
932 __ptr += 2; \
933 } \
934 SMC_outsl( ioaddr, DATA_REG, __ptr, __len >> 2); \
935 if (__len & 2) { \
936 __ptr += (__len & ~3); \
937 SMC_outw( *((u16 *)__ptr), ioaddr, DATA_REG ); \
938 } \
939 } while (0)
940 #define _SMC_PULL_DATA(p, l) \
941 do { \
942 char *__ptr = (p); \
943 int __len = (l); \
944 if ((unsigned long)__ptr & 2) { \
945 /* \
946 * We want 32bit alignment here. \
947 * Since some buses perform a full 32bit \
948 * fetch even for 16bit data we can't use \
949 * SMC_inw() here. Back both source (on chip \
950 * and destination) pointers of 2 bytes. \
951 */ \
952 __ptr -= 2; \
953 __len += 2; \
954 SMC_SET_PTR( 2|PTR_READ|PTR_RCV|PTR_AUTOINC ); \
955 } \
956 __len += 2; \
957 SMC_insl( ioaddr, DATA_REG, __ptr, __len >> 2); \
958 } while (0)
959 #elif SMC_CAN_USE_16BIT
960 #define _SMC_PUSH_DATA(p, l) SMC_outsw( ioaddr, DATA_REG, p, (l) >> 1 )
961 #define _SMC_PULL_DATA(p, l) SMC_insw ( ioaddr, DATA_REG, p, (l) >> 1 )
962 #elif SMC_CAN_USE_8BIT
963 #define _SMC_PUSH_DATA(p, l) SMC_outsb( ioaddr, DATA_REG, p, l )
964 #define _SMC_PULL_DATA(p, l) SMC_insb ( ioaddr, DATA_REG, p, l )
965 #endif
966
967 #if ! SMC_CAN_USE_16BIT
968 #define SMC_outw(x, ioaddr, reg) \
969 do { \
970 unsigned int __val16 = (x); \
971 SMC_outb( __val16, ioaddr, reg ); \
972 SMC_outb( __val16 >> 8, ioaddr, reg + (1 << SMC_IO_SHIFT));\
973 } while (0)
974 #define SMC_inw(ioaddr, reg) \
975 ({ \
976 unsigned int __val16; \
977 __val16 = SMC_inb( ioaddr, reg ); \
978 __val16 |= SMC_inb( ioaddr, reg + (1 << SMC_IO_SHIFT)) << 8; \
979 __val16; \
980 })
981 #endif
982
983 #if SMC_CAN_USE_DATACS
984 #define SMC_PUSH_DATA(p, l) \
985 if ( lp->datacs ) { \
986 unsigned char *__ptr = (p); \
987 int __len = (l); \
988 if (__len >= 2 && (unsigned long)__ptr & 2) { \
989 __len -= 2; \
990 SMC_outw( *((u16 *)__ptr), ioaddr, DATA_REG ); \
991 __ptr += 2; \
992 } \
993 outsl(lp->datacs, __ptr, __len >> 2); \
994 if (__len & 2) { \
995 __ptr += (__len & ~3); \
996 SMC_outw( *((u16 *)__ptr), ioaddr, DATA_REG ); \
997 } \
998 } else { \
999 _SMC_PUSH_DATA(p, l); \
1000 }
1001
1002 #define SMC_PULL_DATA(p, l) \
1003 if ( lp->datacs ) { \
1004 unsigned char *__ptr = (p); \
1005 int __len = (l); \
1006 if ((unsigned long)__ptr & 2) { \
1007 /* \
1008 * We want 32bit alignment here. \
1009 * Since some buses perform a full 32bit \
1010 * fetch even for 16bit data we can't use \
1011 * SMC_inw() here. Back both source (on chip \
1012 * and destination) pointers of 2 bytes. \
1013 */ \
1014 __ptr -= 2; \
1015 __len += 2; \
1016 SMC_SET_PTR( 2|PTR_READ|PTR_RCV|PTR_AUTOINC ); \
1017 } \
1018 __len += 2; \
1019 insl( lp->datacs, __ptr, __len >> 2); \
1020 } else { \
1021 _SMC_PULL_DATA(p, l); \
1022 }
1023 #else
1024 #define SMC_PUSH_DATA(p, l) _SMC_PUSH_DATA(p, l)
1025 #define SMC_PULL_DATA(p, l) _SMC_PULL_DATA(p, l)
1026 #endif
1027
1028 #if !defined (SMC_INTERRUPT_PREAMBLE)
1029 # define SMC_INTERRUPT_PREAMBLE
1030 #endif
1031
1032 #endif /* _SMC91X_H_ */
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