1 /*------------------------------------------------------------------------
2 . smc91x.h - macros for SMSC's 91C9x/91C1xx single-chip Ethernet device.
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
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.
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.
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
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.
29 . Erik Stahlman <erik@vt.edu>
30 . Daris A Nevil <dnevil@snmc.com>
31 . Nicolas Pitre <nico@fluxnic.net>
33 ---------------------------------------------------------------------------*/
37 #include <linux/smc91x.h>
40 * Define your architecture specific bus configuration parameters here.
43 #if defined(CONFIG_ARCH_LUBBOCK) ||\
44 defined(CONFIG_MACH_MAINSTONE) ||\
45 defined(CONFIG_MACH_ZYLONITE) ||\
46 defined(CONFIG_MACH_LITTLETON) ||\
47 defined(CONFIG_MACH_ZYLONITE2) ||\
48 defined(CONFIG_ARCH_VIPER) ||\
49 defined(CONFIG_MACH_STARGATE2)
51 #include <asm/mach-types.h>
53 /* Now the bus width is specified in the platform data
54 * pretend here to support all I/O access types
56 #define SMC_CAN_USE_8BIT 1
57 #define SMC_CAN_USE_16BIT 1
58 #define SMC_CAN_USE_32BIT 1
61 #define SMC_IO_SHIFT (lp->io_shift)
63 #define SMC_inb(a, r) readb((a) + (r))
64 #define SMC_inw(a, r) readw((a) + (r))
65 #define SMC_inl(a, r) readl((a) + (r))
66 #define SMC_outb(v, a, r) writeb(v, (a) + (r))
67 #define SMC_outl(v, a, r) writel(v, (a) + (r))
68 #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
69 #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
70 #define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
71 #define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
72 #define SMC_IRQ_FLAGS (-1) /* from resource */
74 /* We actually can't write halfwords properly if not word aligned */
75 static inline void SMC_outw(u16 val
, void __iomem
*ioaddr
, int reg
)
77 if ((machine_is_mainstone() || machine_is_stargate2()) && reg
& 2) {
78 unsigned int v
= val
<< 16;
79 v
|= readl(ioaddr
+ (reg
& ~2)) & 0xffff;
80 writel(v
, ioaddr
+ (reg
& ~2));
82 writew(val
, ioaddr
+ reg
);
86 #elif defined(CONFIG_REDWOOD_5) || defined(CONFIG_REDWOOD_6)
88 /* We can only do 16-bit reads and writes in the static memory space. */
89 #define SMC_CAN_USE_8BIT 0
90 #define SMC_CAN_USE_16BIT 1
91 #define SMC_CAN_USE_32BIT 0
94 #define SMC_IO_SHIFT 0
96 #define SMC_inw(a, r) in_be16((volatile u16 *)((a) + (r)))
97 #define SMC_outw(v, a, r) out_be16((volatile u16 *)((a) + (r)), v)
98 #define SMC_insw(a, r, p, l) \
100 unsigned long __port = (a) + (r); \
101 u16 *__p = (u16 *)(p); \
103 insw(__port, __p, __l); \
105 *__p = swab16(*__p); \
110 #define SMC_outsw(a, r, p, l) \
112 unsigned long __port = (a) + (r); \
113 u16 *__p = (u16 *)(p); \
116 /* Believe it or not, the swab isn't needed. */ \
117 outw( /* swab16 */ (*__p++), __port); \
121 #define SMC_IRQ_FLAGS (0)
123 #elif defined(CONFIG_SA1100_PLEB)
124 /* We can only do 16-bit reads and writes in the static memory space. */
125 #define SMC_CAN_USE_8BIT 1
126 #define SMC_CAN_USE_16BIT 1
127 #define SMC_CAN_USE_32BIT 0
128 #define SMC_IO_SHIFT 0
131 #define SMC_inb(a, r) readb((a) + (r))
132 #define SMC_insb(a, r, p, l) readsb((a) + (r), p, (l))
133 #define SMC_inw(a, r) readw((a) + (r))
134 #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
135 #define SMC_outb(v, a, r) writeb(v, (a) + (r))
136 #define SMC_outsb(a, r, p, l) writesb((a) + (r), p, (l))
137 #define SMC_outw(v, a, r) writew(v, (a) + (r))
138 #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
140 #define SMC_IRQ_FLAGS (-1)
142 #elif defined(CONFIG_SA1100_ASSABET)
144 #include <mach/neponset.h>
146 /* We can only do 8-bit reads and writes in the static memory space. */
147 #define SMC_CAN_USE_8BIT 1
148 #define SMC_CAN_USE_16BIT 0
149 #define SMC_CAN_USE_32BIT 0
152 /* The first two address lines aren't connected... */
153 #define SMC_IO_SHIFT 2
155 #define SMC_inb(a, r) readb((a) + (r))
156 #define SMC_outb(v, a, r) writeb(v, (a) + (r))
157 #define SMC_insb(a, r, p, l) readsb((a) + (r), p, (l))
158 #define SMC_outsb(a, r, p, l) writesb((a) + (r), p, (l))
159 #define SMC_IRQ_FLAGS (-1) /* from resource */
161 #elif defined(CONFIG_MACH_LOGICPD_PXA270) \
162 || defined(CONFIG_MACH_NOMADIK_8815NHK)
164 #define SMC_CAN_USE_8BIT 0
165 #define SMC_CAN_USE_16BIT 1
166 #define SMC_CAN_USE_32BIT 0
167 #define SMC_IO_SHIFT 0
170 #define SMC_inw(a, r) readw((a) + (r))
171 #define SMC_outw(v, a, r) writew(v, (a) + (r))
172 #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
173 #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
175 #elif defined(CONFIG_ARCH_INNOKOM) || \
176 defined(CONFIG_ARCH_PXA_IDP) || \
177 defined(CONFIG_ARCH_RAMSES) || \
178 defined(CONFIG_ARCH_PCM027)
180 #define SMC_CAN_USE_8BIT 1
181 #define SMC_CAN_USE_16BIT 1
182 #define SMC_CAN_USE_32BIT 1
183 #define SMC_IO_SHIFT 0
185 #define SMC_USE_PXA_DMA 1
187 #define SMC_inb(a, r) readb((a) + (r))
188 #define SMC_inw(a, r) readw((a) + (r))
189 #define SMC_inl(a, r) readl((a) + (r))
190 #define SMC_outb(v, a, r) writeb(v, (a) + (r))
191 #define SMC_outl(v, a, r) writel(v, (a) + (r))
192 #define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
193 #define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
194 #define SMC_IRQ_FLAGS (-1) /* from resource */
196 /* We actually can't write halfwords properly if not word aligned */
198 SMC_outw(u16 val
, void __iomem
*ioaddr
, int reg
)
201 unsigned int v
= val
<< 16;
202 v
|= readl(ioaddr
+ (reg
& ~2)) & 0xffff;
203 writel(v
, ioaddr
+ (reg
& ~2));
205 writew(val
, ioaddr
+ reg
);
209 #elif defined(CONFIG_ARCH_OMAP)
211 /* We can only do 16-bit reads and writes in the static memory space. */
212 #define SMC_CAN_USE_8BIT 0
213 #define SMC_CAN_USE_16BIT 1
214 #define SMC_CAN_USE_32BIT 0
215 #define SMC_IO_SHIFT 0
218 #define SMC_inw(a, r) readw((a) + (r))
219 #define SMC_outw(v, a, r) writew(v, (a) + (r))
220 #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
221 #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
222 #define SMC_IRQ_FLAGS (-1) /* from resource */
224 #elif defined(CONFIG_SH_SH4202_MICRODEV)
226 #define SMC_CAN_USE_8BIT 0
227 #define SMC_CAN_USE_16BIT 1
228 #define SMC_CAN_USE_32BIT 0
230 #define SMC_inb(a, r) inb((a) + (r) - 0xa0000000)
231 #define SMC_inw(a, r) inw((a) + (r) - 0xa0000000)
232 #define SMC_inl(a, r) inl((a) + (r) - 0xa0000000)
233 #define SMC_outb(v, a, r) outb(v, (a) + (r) - 0xa0000000)
234 #define SMC_outw(v, a, r) outw(v, (a) + (r) - 0xa0000000)
235 #define SMC_outl(v, a, r) outl(v, (a) + (r) - 0xa0000000)
236 #define SMC_insl(a, r, p, l) insl((a) + (r) - 0xa0000000, p, l)
237 #define SMC_outsl(a, r, p, l) outsl((a) + (r) - 0xa0000000, p, l)
238 #define SMC_insw(a, r, p, l) insw((a) + (r) - 0xa0000000, p, l)
239 #define SMC_outsw(a, r, p, l) outsw((a) + (r) - 0xa0000000, p, l)
241 #define SMC_IRQ_FLAGS (0)
243 #elif defined(CONFIG_M32R)
245 #define SMC_CAN_USE_8BIT 0
246 #define SMC_CAN_USE_16BIT 1
247 #define SMC_CAN_USE_32BIT 0
249 #define SMC_inb(a, r) inb(((u32)a) + (r))
250 #define SMC_inw(a, r) inw(((u32)a) + (r))
251 #define SMC_outb(v, a, r) outb(v, ((u32)a) + (r))
252 #define SMC_outw(v, a, r) outw(v, ((u32)a) + (r))
253 #define SMC_insw(a, r, p, l) insw(((u32)a) + (r), p, l)
254 #define SMC_outsw(a, r, p, l) outsw(((u32)a) + (r), p, l)
256 #define SMC_IRQ_FLAGS (0)
258 #define RPC_LSA_DEFAULT RPC_LED_TX_RX
259 #define RPC_LSB_DEFAULT RPC_LED_100_10
261 #elif defined(CONFIG_MACH_LPD79520) \
262 || defined(CONFIG_MACH_LPD7A400) \
263 || defined(CONFIG_MACH_LPD7A404)
265 /* The LPD7X_IOBARRIER is necessary to overcome a mismatch between the
266 * way that the CPU handles chip selects and the way that the SMC chip
267 * expects the chip select to operate. Refer to
268 * Documentation/arm/Sharp-LH/IOBarrier for details. The read from
269 * IOBARRIER is a byte, in order that we read the least-common
270 * denominator. It would be wasteful to read 32 bits from an 8-bit
273 * There is no explicit protection against interrupts intervening
274 * between the writew and the IOBARRIER. In SMC ISR there is a
275 * preamble that performs an IOBARRIER in the extremely unlikely event
276 * that the driver interrupts itself between a writew to the chip an
277 * the IOBARRIER that follows *and* the cache is large enough that the
278 * first off-chip access while handing the interrupt is to the SMC
279 * chip. Other devices in the same address space as the SMC chip must
280 * be aware of the potential for trouble and perform a similar
281 * IOBARRIER on entry to their ISR.
284 #include <mach/constants.h> /* IOBARRIER_VIRT */
286 #define SMC_CAN_USE_8BIT 0
287 #define SMC_CAN_USE_16BIT 1
288 #define SMC_CAN_USE_32BIT 0
290 #define LPD7X_IOBARRIER readb (IOBARRIER_VIRT)
292 #define SMC_inw(a,r)\
293 ({ unsigned short v = readw ((void*) ((a) + (r))); LPD7X_IOBARRIER; v; })
294 #define SMC_outw(v,a,r) ({ writew ((v), (a) + (r)); LPD7X_IOBARRIER; })
296 #define SMC_insw LPD7_SMC_insw
297 static inline void LPD7_SMC_insw (unsigned char* a
, int r
,
298 unsigned char* p
, int l
)
300 unsigned short* ps
= (unsigned short*) p
;
302 *ps
++ = readw (a
+ r
);
307 #define SMC_outsw LPD7_SMC_outsw
308 static inline void LPD7_SMC_outsw (unsigned char* a
, int r
,
309 unsigned char* p
, int l
)
311 unsigned short* ps
= (unsigned short*) p
;
313 writew (*ps
++, a
+ r
);
318 #define SMC_INTERRUPT_PREAMBLE LPD7X_IOBARRIER
320 #define RPC_LSA_DEFAULT RPC_LED_TX_RX
321 #define RPC_LSB_DEFAULT RPC_LED_100_10
323 #elif defined(CONFIG_ARCH_VERSATILE)
325 #define SMC_CAN_USE_8BIT 1
326 #define SMC_CAN_USE_16BIT 1
327 #define SMC_CAN_USE_32BIT 1
330 #define SMC_inb(a, r) readb((a) + (r))
331 #define SMC_inw(a, r) readw((a) + (r))
332 #define SMC_inl(a, r) readl((a) + (r))
333 #define SMC_outb(v, a, r) writeb(v, (a) + (r))
334 #define SMC_outw(v, a, r) writew(v, (a) + (r))
335 #define SMC_outl(v, a, r) writel(v, (a) + (r))
336 #define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
337 #define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
338 #define SMC_IRQ_FLAGS (-1) /* from resource */
340 #elif defined(CONFIG_ARCH_MSM)
342 #define SMC_CAN_USE_8BIT 0
343 #define SMC_CAN_USE_16BIT 1
344 #define SMC_CAN_USE_32BIT 0
347 #define SMC_inw(a, r) readw((a) + (r))
348 #define SMC_outw(v, a, r) writew(v, (a) + (r))
349 #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
350 #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
352 #define SMC_IRQ_FLAGS IRQF_TRIGGER_HIGH
354 #elif defined(CONFIG_MN10300)
357 * MN10300/AM33 configuration
360 #include <unit/smc91111.h>
365 * Default configuration
368 #define SMC_CAN_USE_8BIT 1
369 #define SMC_CAN_USE_16BIT 1
370 #define SMC_CAN_USE_32BIT 1
373 #define SMC_IO_SHIFT (lp->io_shift)
375 #define SMC_inb(a, r) readb((a) + (r))
376 #define SMC_inw(a, r) readw((a) + (r))
377 #define SMC_inl(a, r) readl((a) + (r))
378 #define SMC_outb(v, a, r) writeb(v, (a) + (r))
379 #define SMC_outw(v, a, r) writew(v, (a) + (r))
380 #define SMC_outl(v, a, r) writel(v, (a) + (r))
381 #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
382 #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
383 #define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
384 #define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
386 #define RPC_LSA_DEFAULT RPC_LED_100_10
387 #define RPC_LSB_DEFAULT RPC_LED_TX_RX
392 /* store this information for the driver.. */
395 * If I have to wait until memory is available to send a
396 * packet, I will store the skbuff here, until I get the
397 * desired memory. Then, I'll send it out and free it.
399 struct sk_buff
*pending_tx_skb
;
400 struct tasklet_struct tx_task
;
402 /* version/revision of the SMC91x chip */
405 /* Contains the current active transmission mode */
408 /* Contains the current active receive mode */
411 /* Contains the current active receive/phy mode */
418 struct mii_if_info mii
;
421 struct work_struct phy_configure
;
422 struct net_device
*dev
;
427 #ifdef CONFIG_ARCH_PXA
428 /* DMA needs the physical address of the chip */
430 struct device
*device
;
433 void __iomem
*datacs
;
435 /* the low address lines on some platforms aren't connected... */
438 struct smc91x_platdata cfg
;
441 #define SMC_8BIT(p) ((p)->cfg.flags & SMC91X_USE_8BIT)
442 #define SMC_16BIT(p) ((p)->cfg.flags & SMC91X_USE_16BIT)
443 #define SMC_32BIT(p) ((p)->cfg.flags & SMC91X_USE_32BIT)
445 #ifdef CONFIG_ARCH_PXA
447 * Let's use the DMA engine on the XScale PXA2xx for RX packets. This is
448 * always happening in irq context so no need to worry about races. TX is
449 * different and probably not worth it for that reason, and not as critical
450 * as RX which can overrun memory and lose packets.
452 #include <linux/dma-mapping.h>
453 #include <mach/dma.h>
457 #define SMC_insl(a, r, p, l) \
458 smc_pxa_dma_insl(a, lp, r, dev->dma, p, l)
460 smc_pxa_dma_insl(void __iomem
*ioaddr
, struct smc_local
*lp
, int reg
, int dma
,
461 u_char
*buf
, int len
)
463 u_long physaddr
= lp
->physaddr
;
466 /* fallback if no DMA available */
467 if (dma
== (unsigned char)-1) {
468 readsl(ioaddr
+ reg
, buf
, len
);
472 /* 64 bit alignment is required for memory to memory DMA */
474 *((u32
*)buf
) = SMC_inl(ioaddr
, reg
);
480 dmabuf
= dma_map_single(lp
->device
, buf
, len
, DMA_FROM_DEVICE
);
481 DCSR(dma
) = DCSR_NODESC
;
483 DSADR(dma
) = physaddr
+ reg
;
484 DCMD(dma
) = (DCMD_INCTRGADDR
| DCMD_BURST32
|
485 DCMD_WIDTH4
| (DCMD_LENGTH
& len
));
486 DCSR(dma
) = DCSR_NODESC
| DCSR_RUN
;
487 while (!(DCSR(dma
) & DCSR_STOPSTATE
))
490 dma_unmap_single(lp
->device
, dmabuf
, len
, DMA_FROM_DEVICE
);
496 #define SMC_insw(a, r, p, l) \
497 smc_pxa_dma_insw(a, lp, r, dev->dma, p, l)
499 smc_pxa_dma_insw(void __iomem
*ioaddr
, struct smc_local
*lp
, int reg
, int dma
,
500 u_char
*buf
, int len
)
502 u_long physaddr
= lp
->physaddr
;
505 /* fallback if no DMA available */
506 if (dma
== (unsigned char)-1) {
507 readsw(ioaddr
+ reg
, buf
, len
);
511 /* 64 bit alignment is required for memory to memory DMA */
512 while ((long)buf
& 6) {
513 *((u16
*)buf
) = SMC_inw(ioaddr
, reg
);
519 dmabuf
= dma_map_single(lp
->device
, buf
, len
, DMA_FROM_DEVICE
);
520 DCSR(dma
) = DCSR_NODESC
;
522 DSADR(dma
) = physaddr
+ reg
;
523 DCMD(dma
) = (DCMD_INCTRGADDR
| DCMD_BURST32
|
524 DCMD_WIDTH2
| (DCMD_LENGTH
& len
));
525 DCSR(dma
) = DCSR_NODESC
| DCSR_RUN
;
526 while (!(DCSR(dma
) & DCSR_STOPSTATE
))
529 dma_unmap_single(lp
->device
, dmabuf
, len
, DMA_FROM_DEVICE
);
534 smc_pxa_dma_irq(int dma
, void *dummy
)
538 #endif /* CONFIG_ARCH_PXA */
542 * Everything a particular hardware setup needs should have been defined
543 * at this point. Add stubs for the undefined cases, mainly to avoid
544 * compilation warnings since they'll be optimized away, or to prevent buggy
548 #if ! SMC_CAN_USE_32BIT
549 #define SMC_inl(ioaddr, reg) ({ BUG(); 0; })
550 #define SMC_outl(x, ioaddr, reg) BUG()
551 #define SMC_insl(a, r, p, l) BUG()
552 #define SMC_outsl(a, r, p, l) BUG()
555 #if !defined(SMC_insl) || !defined(SMC_outsl)
556 #define SMC_insl(a, r, p, l) BUG()
557 #define SMC_outsl(a, r, p, l) BUG()
560 #if ! SMC_CAN_USE_16BIT
563 * Any 16-bit access is performed with two 8-bit accesses if the hardware
564 * can't do it directly. Most registers are 16-bit so those are mandatory.
566 #define SMC_outw(x, ioaddr, reg) \
568 unsigned int __val16 = (x); \
569 SMC_outb( __val16, ioaddr, reg ); \
570 SMC_outb( __val16 >> 8, ioaddr, reg + (1 << SMC_IO_SHIFT));\
572 #define SMC_inw(ioaddr, reg) \
574 unsigned int __val16; \
575 __val16 = SMC_inb( ioaddr, reg ); \
576 __val16 |= SMC_inb( ioaddr, reg + (1 << SMC_IO_SHIFT)) << 8; \
580 #define SMC_insw(a, r, p, l) BUG()
581 #define SMC_outsw(a, r, p, l) BUG()
585 #if !defined(SMC_insw) || !defined(SMC_outsw)
586 #define SMC_insw(a, r, p, l) BUG()
587 #define SMC_outsw(a, r, p, l) BUG()
590 #if ! SMC_CAN_USE_8BIT
591 #define SMC_inb(ioaddr, reg) ({ BUG(); 0; })
592 #define SMC_outb(x, ioaddr, reg) BUG()
593 #define SMC_insb(a, r, p, l) BUG()
594 #define SMC_outsb(a, r, p, l) BUG()
597 #if !defined(SMC_insb) || !defined(SMC_outsb)
598 #define SMC_insb(a, r, p, l) BUG()
599 #define SMC_outsb(a, r, p, l) BUG()
602 #ifndef SMC_CAN_USE_DATACS
603 #define SMC_CAN_USE_DATACS 0
607 #define SMC_IO_SHIFT 0
610 #ifndef SMC_IRQ_FLAGS
611 #define SMC_IRQ_FLAGS IRQF_TRIGGER_RISING
614 #ifndef SMC_INTERRUPT_PREAMBLE
615 #define SMC_INTERRUPT_PREAMBLE
619 /* Because of bank switching, the LAN91x uses only 16 I/O ports */
620 #define SMC_IO_EXTENT (16 << SMC_IO_SHIFT)
621 #define SMC_DATA_EXTENT (4)
624 . Bank Select Register:
626 . yyyy yyyy 0000 00xx
628 . yyyy yyyy = 0x33, for identification purposes.
630 #define BANK_SELECT (14 << SMC_IO_SHIFT)
633 // Transmit Control Register
635 #define TCR_REG(lp) SMC_REG(lp, 0x0000, 0)
636 #define TCR_ENABLE 0x0001 // When 1 we can transmit
637 #define TCR_LOOP 0x0002 // Controls output pin LBK
638 #define TCR_FORCOL 0x0004 // When 1 will force a collision
639 #define TCR_PAD_EN 0x0080 // When 1 will pad tx frames < 64 bytes w/0
640 #define TCR_NOCRC 0x0100 // When 1 will not append CRC to tx frames
641 #define TCR_MON_CSN 0x0400 // When 1 tx monitors carrier
642 #define TCR_FDUPLX 0x0800 // When 1 enables full duplex operation
643 #define TCR_STP_SQET 0x1000 // When 1 stops tx if Signal Quality Error
644 #define TCR_EPH_LOOP 0x2000 // When 1 enables EPH block loopback
645 #define TCR_SWFDUP 0x8000 // When 1 enables Switched Full Duplex mode
647 #define TCR_CLEAR 0 /* do NOTHING */
648 /* the default settings for the TCR register : */
649 #define TCR_DEFAULT (TCR_ENABLE | TCR_PAD_EN)
652 // EPH Status Register
654 #define EPH_STATUS_REG(lp) SMC_REG(lp, 0x0002, 0)
655 #define ES_TX_SUC 0x0001 // Last TX was successful
656 #define ES_SNGL_COL 0x0002 // Single collision detected for last tx
657 #define ES_MUL_COL 0x0004 // Multiple collisions detected for last tx
658 #define ES_LTX_MULT 0x0008 // Last tx was a multicast
659 #define ES_16COL 0x0010 // 16 Collisions Reached
660 #define ES_SQET 0x0020 // Signal Quality Error Test
661 #define ES_LTXBRD 0x0040 // Last tx was a broadcast
662 #define ES_TXDEFR 0x0080 // Transmit Deferred
663 #define ES_LATCOL 0x0200 // Late collision detected on last tx
664 #define ES_LOSTCARR 0x0400 // Lost Carrier Sense
665 #define ES_EXC_DEF 0x0800 // Excessive Deferral
666 #define ES_CTR_ROL 0x1000 // Counter Roll Over indication
667 #define ES_LINK_OK 0x4000 // Driven by inverted value of nLNK pin
668 #define ES_TXUNRN 0x8000 // Tx Underrun
671 // Receive Control Register
673 #define RCR_REG(lp) SMC_REG(lp, 0x0004, 0)
674 #define RCR_RX_ABORT 0x0001 // Set if a rx frame was aborted
675 #define RCR_PRMS 0x0002 // Enable promiscuous mode
676 #define RCR_ALMUL 0x0004 // When set accepts all multicast frames
677 #define RCR_RXEN 0x0100 // IFF this is set, we can receive packets
678 #define RCR_STRIP_CRC 0x0200 // When set strips CRC from rx packets
679 #define RCR_ABORT_ENB 0x0200 // When set will abort rx on collision
680 #define RCR_FILT_CAR 0x0400 // When set filters leading 12 bit s of carrier
681 #define RCR_SOFTRST 0x8000 // resets the chip
683 /* the normal settings for the RCR register : */
684 #define RCR_DEFAULT (RCR_STRIP_CRC | RCR_RXEN)
685 #define RCR_CLEAR 0x0 // set it to a base state
690 #define COUNTER_REG(lp) SMC_REG(lp, 0x0006, 0)
693 // Memory Information Register
695 #define MIR_REG(lp) SMC_REG(lp, 0x0008, 0)
698 // Receive/Phy Control Register
700 #define RPC_REG(lp) SMC_REG(lp, 0x000A, 0)
701 #define RPC_SPEED 0x2000 // When 1 PHY is in 100Mbps mode.
702 #define RPC_DPLX 0x1000 // When 1 PHY is in Full-Duplex Mode
703 #define RPC_ANEG 0x0800 // When 1 PHY is in Auto-Negotiate Mode
704 #define RPC_LSXA_SHFT 5 // Bits to shift LS2A,LS1A,LS0A to lsb
705 #define RPC_LSXB_SHFT 2 // Bits to get LS2B,LS1B,LS0B to lsb
707 #ifndef RPC_LSA_DEFAULT
708 #define RPC_LSA_DEFAULT RPC_LED_100
710 #ifndef RPC_LSB_DEFAULT
711 #define RPC_LSB_DEFAULT RPC_LED_FD
714 #define RPC_DEFAULT (RPC_ANEG | RPC_SPEED | RPC_DPLX)
717 /* Bank 0 0x0C is reserved */
719 // Bank Select Register
721 #define BSR_REG 0x000E
726 #define CONFIG_REG(lp) SMC_REG(lp, 0x0000, 1)
727 #define CONFIG_EXT_PHY 0x0200 // 1=external MII, 0=internal Phy
728 #define CONFIG_GPCNTRL 0x0400 // Inverse value drives pin nCNTRL
729 #define CONFIG_NO_WAIT 0x1000 // When 1 no extra wait states on ISA bus
730 #define CONFIG_EPH_POWER_EN 0x8000 // When 0 EPH is placed into low power mode.
732 // Default is powered-up, Internal Phy, Wait States, and pin nCNTRL=low
733 #define CONFIG_DEFAULT (CONFIG_EPH_POWER_EN)
736 // Base Address Register
738 #define BASE_REG(lp) SMC_REG(lp, 0x0002, 1)
741 // Individual Address Registers
743 #define ADDR0_REG(lp) SMC_REG(lp, 0x0004, 1)
744 #define ADDR1_REG(lp) SMC_REG(lp, 0x0006, 1)
745 #define ADDR2_REG(lp) SMC_REG(lp, 0x0008, 1)
748 // General Purpose Register
750 #define GP_REG(lp) SMC_REG(lp, 0x000A, 1)
755 #define CTL_REG(lp) SMC_REG(lp, 0x000C, 1)
756 #define CTL_RCV_BAD 0x4000 // When 1 bad CRC packets are received
757 #define CTL_AUTO_RELEASE 0x0800 // When 1 tx pages are released automatically
758 #define CTL_LE_ENABLE 0x0080 // When 1 enables Link Error interrupt
759 #define CTL_CR_ENABLE 0x0040 // When 1 enables Counter Rollover interrupt
760 #define CTL_TE_ENABLE 0x0020 // When 1 enables Transmit Error interrupt
761 #define CTL_EEPROM_SELECT 0x0004 // Controls EEPROM reload & store
762 #define CTL_RELOAD 0x0002 // When set reads EEPROM into registers
763 #define CTL_STORE 0x0001 // When set stores registers into EEPROM
766 // MMU Command Register
768 #define MMU_CMD_REG(lp) SMC_REG(lp, 0x0000, 2)
769 #define MC_BUSY 1 // When 1 the last release has not completed
770 #define MC_NOP (0<<5) // No Op
771 #define MC_ALLOC (1<<5) // OR with number of 256 byte packets
772 #define MC_RESET (2<<5) // Reset MMU to initial state
773 #define MC_REMOVE (3<<5) // Remove the current rx packet
774 #define MC_RELEASE (4<<5) // Remove and release the current rx packet
775 #define MC_FREEPKT (5<<5) // Release packet in PNR register
776 #define MC_ENQUEUE (6<<5) // Enqueue the packet for transmit
777 #define MC_RSTTXFIFO (7<<5) // Reset the TX FIFOs
780 // Packet Number Register
782 #define PN_REG(lp) SMC_REG(lp, 0x0002, 2)
785 // Allocation Result Register
787 #define AR_REG(lp) SMC_REG(lp, 0x0003, 2)
788 #define AR_FAILED 0x80 // Alocation Failed
791 // TX FIFO Ports Register
793 #define TXFIFO_REG(lp) SMC_REG(lp, 0x0004, 2)
794 #define TXFIFO_TEMPTY 0x80 // TX FIFO Empty
796 // RX FIFO Ports Register
798 #define RXFIFO_REG(lp) SMC_REG(lp, 0x0005, 2)
799 #define RXFIFO_REMPTY 0x80 // RX FIFO Empty
801 #define FIFO_REG(lp) SMC_REG(lp, 0x0004, 2)
805 #define PTR_REG(lp) SMC_REG(lp, 0x0006, 2)
806 #define PTR_RCV 0x8000 // 1=Receive area, 0=Transmit area
807 #define PTR_AUTOINC 0x4000 // Auto increment the pointer on each access
808 #define PTR_READ 0x2000 // When 1 the operation is a read
813 #define DATA_REG(lp) SMC_REG(lp, 0x0008, 2)
816 // Interrupt Status/Acknowledge Register
818 #define INT_REG(lp) SMC_REG(lp, 0x000C, 2)
821 // Interrupt Mask Register
823 #define IM_REG(lp) SMC_REG(lp, 0x000D, 2)
824 #define IM_MDINT 0x80 // PHY MI Register 18 Interrupt
825 #define IM_ERCV_INT 0x40 // Early Receive Interrupt
826 #define IM_EPH_INT 0x20 // Set by Ethernet Protocol Handler section
827 #define IM_RX_OVRN_INT 0x10 // Set by Receiver Overruns
828 #define IM_ALLOC_INT 0x08 // Set when allocation request is completed
829 #define IM_TX_EMPTY_INT 0x04 // Set if the TX FIFO goes empty
830 #define IM_TX_INT 0x02 // Transmit Interrupt
831 #define IM_RCV_INT 0x01 // Receive Interrupt
834 // Multicast Table Registers
836 #define MCAST_REG1(lp) SMC_REG(lp, 0x0000, 3)
837 #define MCAST_REG2(lp) SMC_REG(lp, 0x0002, 3)
838 #define MCAST_REG3(lp) SMC_REG(lp, 0x0004, 3)
839 #define MCAST_REG4(lp) SMC_REG(lp, 0x0006, 3)
842 // Management Interface Register (MII)
844 #define MII_REG(lp) SMC_REG(lp, 0x0008, 3)
845 #define MII_MSK_CRS100 0x4000 // Disables CRS100 detection during tx half dup
846 #define MII_MDOE 0x0008 // MII Output Enable
847 #define MII_MCLK 0x0004 // MII Clock, pin MDCLK
848 #define MII_MDI 0x0002 // MII Input, pin MDI
849 #define MII_MDO 0x0001 // MII Output, pin MDO
854 /* ( hi: chip id low: rev # ) */
855 #define REV_REG(lp) SMC_REG(lp, 0x000A, 3)
858 // Early RCV Register
860 /* this is NOT on SMC9192 */
861 #define ERCV_REG(lp) SMC_REG(lp, 0x000C, 3)
862 #define ERCV_RCV_DISCRD 0x0080 // When 1 discards a packet being received
863 #define ERCV_THRESHOLD 0x001F // ERCV Threshold Mask
868 #define EXT_REG(lp) SMC_REG(lp, 0x0000, 7)
876 #define CHIP_91100FD 8
877 #define CHIP_91111FD 9
879 static const char * chip_ids
[ 16 ] = {
881 /* 3 */ "SMC91C90/91C92",
886 /* 8 */ "SMC91C100FD",
887 /* 9 */ "SMC91C11xFD",
893 . Receive status bits
895 #define RS_ALGNERR 0x8000
896 #define RS_BRODCAST 0x4000
897 #define RS_BADCRC 0x2000
898 #define RS_ODDFRAME 0x1000
899 #define RS_TOOLONG 0x0800
900 #define RS_TOOSHORT 0x0400
901 #define RS_MULTICAST 0x0001
902 #define RS_ERRORS (RS_ALGNERR | RS_BADCRC | RS_TOOLONG | RS_TOOSHORT)
907 * LAN83C183 == LAN91C111 Internal PHY
909 #define PHY_LAN83C183 0x0016f840
910 #define PHY_LAN83C180 0x02821c50
913 * PHY Register Addresses (LAN91C111 Internal PHY)
915 * Generic PHY registers can be found in <linux/mii.h>
917 * These phy registers are specific to our on-board phy.
920 // PHY Configuration Register 1
921 #define PHY_CFG1_REG 0x10
922 #define PHY_CFG1_LNKDIS 0x8000 // 1=Rx Link Detect Function disabled
923 #define PHY_CFG1_XMTDIS 0x4000 // 1=TP Transmitter Disabled
924 #define PHY_CFG1_XMTPDN 0x2000 // 1=TP Transmitter Powered Down
925 #define PHY_CFG1_BYPSCR 0x0400 // 1=Bypass scrambler/descrambler
926 #define PHY_CFG1_UNSCDS 0x0200 // 1=Unscramble Idle Reception Disable
927 #define PHY_CFG1_EQLZR 0x0100 // 1=Rx Equalizer Disabled
928 #define PHY_CFG1_CABLE 0x0080 // 1=STP(150ohm), 0=UTP(100ohm)
929 #define PHY_CFG1_RLVL0 0x0040 // 1=Rx Squelch level reduced by 4.5db
930 #define PHY_CFG1_TLVL_SHIFT 2 // Transmit Output Level Adjust
931 #define PHY_CFG1_TLVL_MASK 0x003C
932 #define PHY_CFG1_TRF_MASK 0x0003 // Transmitter Rise/Fall time
935 // PHY Configuration Register 2
936 #define PHY_CFG2_REG 0x11
937 #define PHY_CFG2_APOLDIS 0x0020 // 1=Auto Polarity Correction disabled
938 #define PHY_CFG2_JABDIS 0x0010 // 1=Jabber disabled
939 #define PHY_CFG2_MREG 0x0008 // 1=Multiple register access (MII mgt)
940 #define PHY_CFG2_INTMDIO 0x0004 // 1=Interrupt signaled with MDIO pulseo
942 // PHY Status Output (and Interrupt status) Register
943 #define PHY_INT_REG 0x12 // Status Output (Interrupt Status)
944 #define PHY_INT_INT 0x8000 // 1=bits have changed since last read
945 #define PHY_INT_LNKFAIL 0x4000 // 1=Link Not detected
946 #define PHY_INT_LOSSSYNC 0x2000 // 1=Descrambler has lost sync
947 #define PHY_INT_CWRD 0x1000 // 1=Invalid 4B5B code detected on rx
948 #define PHY_INT_SSD 0x0800 // 1=No Start Of Stream detected on rx
949 #define PHY_INT_ESD 0x0400 // 1=No End Of Stream detected on rx
950 #define PHY_INT_RPOL 0x0200 // 1=Reverse Polarity detected
951 #define PHY_INT_JAB 0x0100 // 1=Jabber detected
952 #define PHY_INT_SPDDET 0x0080 // 1=100Base-TX mode, 0=10Base-T mode
953 #define PHY_INT_DPLXDET 0x0040 // 1=Device in Full Duplex
955 // PHY Interrupt/Status Mask Register
956 #define PHY_MASK_REG 0x13 // Interrupt Mask
957 // Uses the same bit definitions as PHY_INT_REG
961 * SMC91C96 ethernet config and status registers.
962 * These are in the "attribute" space.
965 #define ECOR_RESET 0x80
966 #define ECOR_LEVEL_IRQ 0x40
967 #define ECOR_WR_ATTRIB 0x04
968 #define ECOR_ENABLE 0x01
971 #define ECSR_IOIS8 0x20
972 #define ECSR_PWRDWN 0x04
973 #define ECSR_INT 0x02
975 #define ATTRIB_SIZE ((64*1024) << SMC_IO_SHIFT)
979 * Macros to abstract register access according to the data bus
980 * capabilities. Please use those and not the in/out primitives.
981 * Note: the following macros do *not* select the bank -- this must
982 * be done separately as needed in the main code. The SMC_REG() macro
983 * only uses the bank argument for debugging purposes (when enabled).
985 * Note: despite inline functions being safer, everything leading to this
986 * should preferably be macros to let BUG() display the line number in
987 * the core source code since we're interested in the top call site
988 * not in any inline function location.
992 #define SMC_REG(lp, reg, bank) \
994 int __b = SMC_CURRENT_BANK(lp); \
995 if (unlikely((__b & ~0xf0) != (0x3300 | bank))) { \
996 printk( "%s: bank reg screwed (0x%04x)\n", \
1000 reg<<SMC_IO_SHIFT; \
1003 #define SMC_REG(lp, reg, bank) (reg<<SMC_IO_SHIFT)
1007 * Hack Alert: Some setups just can't write 8 or 16 bits reliably when not
1008 * aligned to a 32 bit boundary. I tell you that does exist!
1009 * Fortunately the affected register accesses can be easily worked around
1010 * since we can write zeroes to the preceeding 16 bits without adverse
1011 * effects and use a 32-bit access.
1013 * Enforce it on any 32-bit capable setup for now.
1015 #define SMC_MUST_ALIGN_WRITE(lp) SMC_32BIT(lp)
1017 #define SMC_GET_PN(lp) \
1018 (SMC_8BIT(lp) ? (SMC_inb(ioaddr, PN_REG(lp))) \
1019 : (SMC_inw(ioaddr, PN_REG(lp)) & 0xFF))
1021 #define SMC_SET_PN(lp, x) \
1023 if (SMC_MUST_ALIGN_WRITE(lp)) \
1024 SMC_outl((x)<<16, ioaddr, SMC_REG(lp, 0, 2)); \
1025 else if (SMC_8BIT(lp)) \
1026 SMC_outb(x, ioaddr, PN_REG(lp)); \
1028 SMC_outw(x, ioaddr, PN_REG(lp)); \
1031 #define SMC_GET_AR(lp) \
1032 (SMC_8BIT(lp) ? (SMC_inb(ioaddr, AR_REG(lp))) \
1033 : (SMC_inw(ioaddr, PN_REG(lp)) >> 8))
1035 #define SMC_GET_TXFIFO(lp) \
1036 (SMC_8BIT(lp) ? (SMC_inb(ioaddr, TXFIFO_REG(lp))) \
1037 : (SMC_inw(ioaddr, TXFIFO_REG(lp)) & 0xFF))
1039 #define SMC_GET_RXFIFO(lp) \
1040 (SMC_8BIT(lp) ? (SMC_inb(ioaddr, RXFIFO_REG(lp))) \
1041 : (SMC_inw(ioaddr, TXFIFO_REG(lp)) >> 8))
1043 #define SMC_GET_INT(lp) \
1044 (SMC_8BIT(lp) ? (SMC_inb(ioaddr, INT_REG(lp))) \
1045 : (SMC_inw(ioaddr, INT_REG(lp)) & 0xFF))
1047 #define SMC_ACK_INT(lp, x) \
1050 SMC_outb(x, ioaddr, INT_REG(lp)); \
1052 unsigned long __flags; \
1054 local_irq_save(__flags); \
1055 __mask = SMC_inw(ioaddr, INT_REG(lp)) & ~0xff; \
1056 SMC_outw(__mask | (x), ioaddr, INT_REG(lp)); \
1057 local_irq_restore(__flags); \
1061 #define SMC_GET_INT_MASK(lp) \
1062 (SMC_8BIT(lp) ? (SMC_inb(ioaddr, IM_REG(lp))) \
1063 : (SMC_inw(ioaddr, INT_REG(lp)) >> 8))
1065 #define SMC_SET_INT_MASK(lp, x) \
1068 SMC_outb(x, ioaddr, IM_REG(lp)); \
1070 SMC_outw((x) << 8, ioaddr, INT_REG(lp)); \
1073 #define SMC_CURRENT_BANK(lp) SMC_inw(ioaddr, BANK_SELECT)
1075 #define SMC_SELECT_BANK(lp, x) \
1077 if (SMC_MUST_ALIGN_WRITE(lp)) \
1078 SMC_outl((x)<<16, ioaddr, 12<<SMC_IO_SHIFT); \
1080 SMC_outw(x, ioaddr, BANK_SELECT); \
1083 #define SMC_GET_BASE(lp) SMC_inw(ioaddr, BASE_REG(lp))
1085 #define SMC_SET_BASE(lp, x) SMC_outw(x, ioaddr, BASE_REG(lp))
1087 #define SMC_GET_CONFIG(lp) SMC_inw(ioaddr, CONFIG_REG(lp))
1089 #define SMC_SET_CONFIG(lp, x) SMC_outw(x, ioaddr, CONFIG_REG(lp))
1091 #define SMC_GET_COUNTER(lp) SMC_inw(ioaddr, COUNTER_REG(lp))
1093 #define SMC_GET_CTL(lp) SMC_inw(ioaddr, CTL_REG(lp))
1095 #define SMC_SET_CTL(lp, x) SMC_outw(x, ioaddr, CTL_REG(lp))
1097 #define SMC_GET_MII(lp) SMC_inw(ioaddr, MII_REG(lp))
1099 #define SMC_GET_GP(lp) SMC_inw(ioaddr, GP_REG(lp))
1101 #define SMC_SET_GP(lp, x) \
1103 if (SMC_MUST_ALIGN_WRITE(lp)) \
1104 SMC_outl((x)<<16, ioaddr, SMC_REG(lp, 8, 1)); \
1106 SMC_outw(x, ioaddr, GP_REG(lp)); \
1109 #define SMC_SET_MII(lp, x) SMC_outw(x, ioaddr, MII_REG(lp))
1111 #define SMC_GET_MIR(lp) SMC_inw(ioaddr, MIR_REG(lp))
1113 #define SMC_SET_MIR(lp, x) SMC_outw(x, ioaddr, MIR_REG(lp))
1115 #define SMC_GET_MMU_CMD(lp) SMC_inw(ioaddr, MMU_CMD_REG(lp))
1117 #define SMC_SET_MMU_CMD(lp, x) SMC_outw(x, ioaddr, MMU_CMD_REG(lp))
1119 #define SMC_GET_FIFO(lp) SMC_inw(ioaddr, FIFO_REG(lp))
1121 #define SMC_GET_PTR(lp) SMC_inw(ioaddr, PTR_REG(lp))
1123 #define SMC_SET_PTR(lp, x) \
1125 if (SMC_MUST_ALIGN_WRITE(lp)) \
1126 SMC_outl((x)<<16, ioaddr, SMC_REG(lp, 4, 2)); \
1128 SMC_outw(x, ioaddr, PTR_REG(lp)); \
1131 #define SMC_GET_EPH_STATUS(lp) SMC_inw(ioaddr, EPH_STATUS_REG(lp))
1133 #define SMC_GET_RCR(lp) SMC_inw(ioaddr, RCR_REG(lp))
1135 #define SMC_SET_RCR(lp, x) SMC_outw(x, ioaddr, RCR_REG(lp))
1137 #define SMC_GET_REV(lp) SMC_inw(ioaddr, REV_REG(lp))
1139 #define SMC_GET_RPC(lp) SMC_inw(ioaddr, RPC_REG(lp))
1141 #define SMC_SET_RPC(lp, x) \
1143 if (SMC_MUST_ALIGN_WRITE(lp)) \
1144 SMC_outl((x)<<16, ioaddr, SMC_REG(lp, 8, 0)); \
1146 SMC_outw(x, ioaddr, RPC_REG(lp)); \
1149 #define SMC_GET_TCR(lp) SMC_inw(ioaddr, TCR_REG(lp))
1151 #define SMC_SET_TCR(lp, x) SMC_outw(x, ioaddr, TCR_REG(lp))
1153 #ifndef SMC_GET_MAC_ADDR
1154 #define SMC_GET_MAC_ADDR(lp, addr) \
1157 __v = SMC_inw(ioaddr, ADDR0_REG(lp)); \
1158 addr[0] = __v; addr[1] = __v >> 8; \
1159 __v = SMC_inw(ioaddr, ADDR1_REG(lp)); \
1160 addr[2] = __v; addr[3] = __v >> 8; \
1161 __v = SMC_inw(ioaddr, ADDR2_REG(lp)); \
1162 addr[4] = __v; addr[5] = __v >> 8; \
1166 #define SMC_SET_MAC_ADDR(lp, addr) \
1168 SMC_outw(addr[0]|(addr[1] << 8), ioaddr, ADDR0_REG(lp)); \
1169 SMC_outw(addr[2]|(addr[3] << 8), ioaddr, ADDR1_REG(lp)); \
1170 SMC_outw(addr[4]|(addr[5] << 8), ioaddr, ADDR2_REG(lp)); \
1173 #define SMC_SET_MCAST(lp, x) \
1175 const unsigned char *mt = (x); \
1176 SMC_outw(mt[0] | (mt[1] << 8), ioaddr, MCAST_REG1(lp)); \
1177 SMC_outw(mt[2] | (mt[3] << 8), ioaddr, MCAST_REG2(lp)); \
1178 SMC_outw(mt[4] | (mt[5] << 8), ioaddr, MCAST_REG3(lp)); \
1179 SMC_outw(mt[6] | (mt[7] << 8), ioaddr, MCAST_REG4(lp)); \
1182 #define SMC_PUT_PKT_HDR(lp, status, length) \
1184 if (SMC_32BIT(lp)) \
1185 SMC_outl((status) | (length)<<16, ioaddr, \
1188 SMC_outw(status, ioaddr, DATA_REG(lp)); \
1189 SMC_outw(length, ioaddr, DATA_REG(lp)); \
1193 #define SMC_GET_PKT_HDR(lp, status, length) \
1195 if (SMC_32BIT(lp)) { \
1196 unsigned int __val = SMC_inl(ioaddr, DATA_REG(lp)); \
1197 (status) = __val & 0xffff; \
1198 (length) = __val >> 16; \
1200 (status) = SMC_inw(ioaddr, DATA_REG(lp)); \
1201 (length) = SMC_inw(ioaddr, DATA_REG(lp)); \
1205 #define SMC_PUSH_DATA(lp, p, l) \
1207 if (SMC_32BIT(lp)) { \
1208 void *__ptr = (p); \
1210 void __iomem *__ioaddr = ioaddr; \
1211 if (__len >= 2 && (unsigned long)__ptr & 2) { \
1213 SMC_outw(*(u16 *)__ptr, ioaddr, \
1217 if (SMC_CAN_USE_DATACS && lp->datacs) \
1218 __ioaddr = lp->datacs; \
1219 SMC_outsl(__ioaddr, DATA_REG(lp), __ptr, __len>>2); \
1221 __ptr += (__len & ~3); \
1222 SMC_outw(*((u16 *)__ptr), ioaddr, \
1225 } else if (SMC_16BIT(lp)) \
1226 SMC_outsw(ioaddr, DATA_REG(lp), p, (l) >> 1); \
1227 else if (SMC_8BIT(lp)) \
1228 SMC_outsb(ioaddr, DATA_REG(lp), p, l); \
1231 #define SMC_PULL_DATA(lp, p, l) \
1233 if (SMC_32BIT(lp)) { \
1234 void *__ptr = (p); \
1236 void __iomem *__ioaddr = ioaddr; \
1237 if ((unsigned long)__ptr & 2) { \
1239 * We want 32bit alignment here. \
1240 * Since some buses perform a full \
1241 * 32bit fetch even for 16bit data \
1242 * we can't use SMC_inw() here. \
1243 * Back both source (on-chip) and \
1244 * destination pointers of 2 bytes. \
1245 * This is possible since the call to \
1246 * SMC_GET_PKT_HDR() already advanced \
1247 * the source pointer of 4 bytes, and \
1248 * the skb_reserve(skb, 2) advanced \
1249 * the destination pointer of 2 bytes. \
1254 2|PTR_READ|PTR_RCV|PTR_AUTOINC); \
1256 if (SMC_CAN_USE_DATACS && lp->datacs) \
1257 __ioaddr = lp->datacs; \
1259 SMC_insl(__ioaddr, DATA_REG(lp), __ptr, __len>>2); \
1260 } else if (SMC_16BIT(lp)) \
1261 SMC_insw(ioaddr, DATA_REG(lp), p, (l) >> 1); \
1262 else if (SMC_8BIT(lp)) \
1263 SMC_insb(ioaddr, DATA_REG(lp), p, l); \
1266 #endif /* _SMC91X_H_ */