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@cam.org>
33 ---------------------------------------------------------------------------*/
39 * Define your architecture specific bus configuration parameters here.
42 #if defined(CONFIG_ARCH_LUBBOCK)
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
50 /* The first two address lines aren't connected... */
51 #define SMC_IO_SHIFT 2
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)
58 #elif defined(CONFIG_BFIN)
60 #define SMC_IRQ_FLAGS IRQF_TRIGGER_HIGH
61 #define RPC_LSA_DEFAULT RPC_LED_100_10
62 #define RPC_LSB_DEFAULT RPC_LED_TX_RX
64 # if defined (CONFIG_BFIN561_EZKIT)
65 #define SMC_CAN_USE_8BIT 0
66 #define SMC_CAN_USE_16BIT 1
67 #define SMC_CAN_USE_32BIT 1
68 #define SMC_IO_SHIFT 0
70 #define SMC_USE_BFIN_DMA 0
73 #define SMC_inw(a, r) readw((a) + (r))
74 #define SMC_outw(v, a, r) writew(v, (a) + (r))
75 #define SMC_inl(a, r) readl((a) + (r))
76 #define SMC_outl(v, a, r) writel(v, (a) + (r))
77 #define SMC_outsl(a, r, p, l) outsl((unsigned long *)((a) + (r)), p, l)
78 #define SMC_insl(a, r, p, l) insl ((unsigned long *)((a) + (r)), p, l)
80 #define SMC_CAN_USE_8BIT 0
81 #define SMC_CAN_USE_16BIT 1
82 #define SMC_CAN_USE_32BIT 0
83 #define SMC_IO_SHIFT 0
85 #define SMC_USE_BFIN_DMA 0
88 #define SMC_inw(a, r) readw((a) + (r))
89 #define SMC_outw(v, a, r) writew(v, (a) + (r))
90 #define SMC_outsw(a, r, p, l) outsw((unsigned long *)((a) + (r)), p, l)
91 #define SMC_insw(a, r, p, l) insw ((unsigned long *)((a) + (r)), p, l)
93 /* check if the mac in reg is valid */
94 #define SMC_GET_MAC_ADDR(addr) \
97 __v = SMC_inw(ioaddr, ADDR0_REG); \
98 addr[0] = __v; addr[1] = __v >> 8; \
99 __v = SMC_inw(ioaddr, ADDR1_REG); \
100 addr[2] = __v; addr[3] = __v >> 8; \
101 __v = SMC_inw(ioaddr, ADDR2_REG); \
102 addr[4] = __v; addr[5] = __v >> 8; \
103 if (*(u32 *)(&addr[0]) == 0xFFFFFFFF) { \
104 random_ether_addr(addr); \
107 #elif defined(CONFIG_REDWOOD_5) || defined(CONFIG_REDWOOD_6)
109 /* We can only do 16-bit reads and writes in the static memory space. */
110 #define SMC_CAN_USE_8BIT 0
111 #define SMC_CAN_USE_16BIT 1
112 #define SMC_CAN_USE_32BIT 0
115 #define SMC_IO_SHIFT 0
117 #define SMC_inw(a, r) in_be16((volatile u16 *)((a) + (r)))
118 #define SMC_outw(v, a, r) out_be16((volatile u16 *)((a) + (r)), v)
119 #define SMC_insw(a, r, p, l) \
121 unsigned long __port = (a) + (r); \
122 u16 *__p = (u16 *)(p); \
124 insw(__port, __p, __l); \
126 *__p = swab16(*__p); \
131 #define SMC_outsw(a, r, p, l) \
133 unsigned long __port = (a) + (r); \
134 u16 *__p = (u16 *)(p); \
137 /* Believe it or not, the swab isn't needed. */ \
138 outw( /* swab16 */ (*__p++), __port); \
142 #define SMC_IRQ_FLAGS (0)
144 #elif defined(CONFIG_SA1100_PLEB)
145 /* We can only do 16-bit reads and writes in the static memory space. */
146 #define SMC_CAN_USE_8BIT 1
147 #define SMC_CAN_USE_16BIT 1
148 #define SMC_CAN_USE_32BIT 0
149 #define SMC_IO_SHIFT 0
152 #define SMC_inb(a, r) readb((a) + (r))
153 #define SMC_insb(a, r, p, l) readsb((a) + (r), p, (l))
154 #define SMC_inw(a, r) readw((a) + (r))
155 #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
156 #define SMC_outb(v, a, r) writeb(v, (a) + (r))
157 #define SMC_outsb(a, r, p, l) writesb((a) + (r), p, (l))
158 #define SMC_outw(v, a, r) writew(v, (a) + (r))
159 #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
161 #define SMC_IRQ_FLAGS (0)
163 #elif defined(CONFIG_SA1100_ASSABET)
165 #include <asm/arch/neponset.h>
167 /* We can only do 8-bit reads and writes in the static memory space. */
168 #define SMC_CAN_USE_8BIT 1
169 #define SMC_CAN_USE_16BIT 0
170 #define SMC_CAN_USE_32BIT 0
173 /* The first two address lines aren't connected... */
174 #define SMC_IO_SHIFT 2
176 #define SMC_inb(a, r) readb((a) + (r))
177 #define SMC_outb(v, a, r) writeb(v, (a) + (r))
178 #define SMC_insb(a, r, p, l) readsb((a) + (r), p, (l))
179 #define SMC_outsb(a, r, p, l) writesb((a) + (r), p, (l))
181 #elif defined(CONFIG_MACH_LOGICPD_PXA270)
183 #define SMC_CAN_USE_8BIT 0
184 #define SMC_CAN_USE_16BIT 1
185 #define SMC_CAN_USE_32BIT 0
186 #define SMC_IO_SHIFT 0
189 #define SMC_inw(a, r) readw((a) + (r))
190 #define SMC_outw(v, a, r) writew(v, (a) + (r))
191 #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
192 #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
194 #elif defined(CONFIG_ARCH_INNOKOM) || \
195 defined(CONFIG_MACH_MAINSTONE) || \
196 defined(CONFIG_ARCH_PXA_IDP) || \
197 defined(CONFIG_ARCH_RAMSES)
199 #define SMC_CAN_USE_8BIT 1
200 #define SMC_CAN_USE_16BIT 1
201 #define SMC_CAN_USE_32BIT 1
202 #define SMC_IO_SHIFT 0
204 #define SMC_USE_PXA_DMA 1
206 #define SMC_inb(a, r) readb((a) + (r))
207 #define SMC_inw(a, r) readw((a) + (r))
208 #define SMC_inl(a, r) readl((a) + (r))
209 #define SMC_outb(v, a, r) writeb(v, (a) + (r))
210 #define SMC_outl(v, a, r) writel(v, (a) + (r))
211 #define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
212 #define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
214 /* We actually can't write halfwords properly if not word aligned */
216 SMC_outw(u16 val, void __iomem *ioaddr, int reg)
219 unsigned int v = val << 16;
220 v |= readl(ioaddr + (reg & ~2)) & 0xffff;
221 writel(v, ioaddr + (reg & ~2));
223 writew(val, ioaddr + reg);
227 #elif defined(CONFIG_ARCH_OMAP)
229 /* We can only do 16-bit reads and writes in the static memory space. */
230 #define SMC_CAN_USE_8BIT 0
231 #define SMC_CAN_USE_16BIT 1
232 #define SMC_CAN_USE_32BIT 0
233 #define SMC_IO_SHIFT 0
236 #define SMC_inw(a, r) readw((a) + (r))
237 #define SMC_outw(v, a, r) writew(v, (a) + (r))
238 #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
239 #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
241 #include <asm/mach-types.h>
242 #include <asm/arch/cpu.h>
244 #ifdef CONFIG_ARCH_OMAP1
245 #define SMC_IRQ_FLAGS ((machine_is_omap_innovator() || \
246 machine_is_omap_osk()) \
247 ? IRQF_TRIGGER_RISING : IRQF_TRIGGER_FALLING)
249 #define SMC_IRQ_FLAGS (machine_is_omap_apollon() \
250 ? IRQF_TRIGGER_RISING : IRQF_TRIGGER_LOW)
253 #elif defined(CONFIG_SH_SH4202_MICRODEV)
255 #define SMC_CAN_USE_8BIT 0
256 #define SMC_CAN_USE_16BIT 1
257 #define SMC_CAN_USE_32BIT 0
259 #define SMC_inb(a, r) inb((a) + (r) - 0xa0000000)
260 #define SMC_inw(a, r) inw((a) + (r) - 0xa0000000)
261 #define SMC_inl(a, r) inl((a) + (r) - 0xa0000000)
262 #define SMC_outb(v, a, r) outb(v, (a) + (r) - 0xa0000000)
263 #define SMC_outw(v, a, r) outw(v, (a) + (r) - 0xa0000000)
264 #define SMC_outl(v, a, r) outl(v, (a) + (r) - 0xa0000000)
265 #define SMC_insl(a, r, p, l) insl((a) + (r) - 0xa0000000, p, l)
266 #define SMC_outsl(a, r, p, l) outsl((a) + (r) - 0xa0000000, p, l)
267 #define SMC_insw(a, r, p, l) insw((a) + (r) - 0xa0000000, p, l)
268 #define SMC_outsw(a, r, p, l) outsw((a) + (r) - 0xa0000000, p, l)
270 #define SMC_IRQ_FLAGS (0)
272 #elif defined(CONFIG_ISA)
274 #define SMC_CAN_USE_8BIT 1
275 #define SMC_CAN_USE_16BIT 1
276 #define SMC_CAN_USE_32BIT 0
278 #define SMC_inb(a, r) inb((a) + (r))
279 #define SMC_inw(a, r) inw((a) + (r))
280 #define SMC_outb(v, a, r) outb(v, (a) + (r))
281 #define SMC_outw(v, a, r) outw(v, (a) + (r))
282 #define SMC_insw(a, r, p, l) insw((a) + (r), p, l)
283 #define SMC_outsw(a, r, p, l) outsw((a) + (r), p, l)
285 #elif defined(CONFIG_SUPERH)
287 #ifdef CONFIG_SOLUTION_ENGINE
288 #define SMC_CAN_USE_8BIT 0
289 #define SMC_CAN_USE_16BIT 1
290 #define SMC_CAN_USE_32BIT 0
291 #define SMC_IO_SHIFT 0
294 #define SMC_inw(a, r) inw((a) + (r))
295 #define SMC_outw(v, a, r) outw(v, (a) + (r))
296 #define SMC_insw(a, r, p, l) insw((a) + (r), p, l)
297 #define SMC_outsw(a, r, p, l) outsw((a) + (r), p, l)
301 #define SMC_CAN_USE_8BIT 1
302 #define SMC_CAN_USE_16BIT 1
303 #define SMC_CAN_USE_32BIT 1
305 #define SMC_inb(a, r) inb((a) + (r))
306 #define SMC_inw(a, r) inw((a) + (r))
307 #define SMC_outb(v, a, r) outb(v, (a) + (r))
308 #define SMC_outw(v, a, r) outw(v, (a) + (r))
309 #define SMC_insw(a, r, p, l) insw((a) + (r), p, l)
310 #define SMC_outsw(a, r, p, l) outsw((a) + (r), p, l)
314 #define set_irq_type(irq, type) do {} while (0)
316 #elif defined(CONFIG_M32R)
318 #define SMC_CAN_USE_8BIT 0
319 #define SMC_CAN_USE_16BIT 1
320 #define SMC_CAN_USE_32BIT 0
322 #define SMC_inb(a, r) inb(((u32)a) + (r))
323 #define SMC_inw(a, r) inw(((u32)a) + (r))
324 #define SMC_outb(v, a, r) outb(v, ((u32)a) + (r))
325 #define SMC_outw(v, a, r) outw(v, ((u32)a) + (r))
326 #define SMC_insw(a, r, p, l) insw(((u32)a) + (r), p, l)
327 #define SMC_outsw(a, r, p, l) outsw(((u32)a) + (r), p, l)
329 #define SMC_IRQ_FLAGS (0)
331 #define RPC_LSA_DEFAULT RPC_LED_TX_RX
332 #define RPC_LSB_DEFAULT RPC_LED_100_10
334 #elif defined(CONFIG_MACH_LPD79520) \
335 || defined(CONFIG_MACH_LPD7A400) \
336 || defined(CONFIG_MACH_LPD7A404)
338 /* The LPD7X_IOBARRIER is necessary to overcome a mismatch between the
339 * way that the CPU handles chip selects and the way that the SMC chip
340 * expects the chip select to operate. Refer to
341 * Documentation/arm/Sharp-LH/IOBarrier for details. The read from
342 * IOBARRIER is a byte, in order that we read the least-common
343 * denominator. It would be wasteful to read 32 bits from an 8-bit
346 * There is no explicit protection against interrupts intervening
347 * between the writew and the IOBARRIER. In SMC ISR there is a
348 * preamble that performs an IOBARRIER in the extremely unlikely event
349 * that the driver interrupts itself between a writew to the chip an
350 * the IOBARRIER that follows *and* the cache is large enough that the
351 * first off-chip access while handing the interrupt is to the SMC
352 * chip. Other devices in the same address space as the SMC chip must
353 * be aware of the potential for trouble and perform a similar
354 * IOBARRIER on entry to their ISR.
357 #include <asm/arch/constants.h> /* IOBARRIER_VIRT */
359 #define SMC_CAN_USE_8BIT 0
360 #define SMC_CAN_USE_16BIT 1
361 #define SMC_CAN_USE_32BIT 0
363 #define LPD7X_IOBARRIER readb (IOBARRIER_VIRT)
365 #define SMC_inw(a,r)\
366 ({ unsigned short v = readw ((void*) ((a) + (r))); LPD7X_IOBARRIER; v; })
367 #define SMC_outw(v,a,r) ({ writew ((v), (a) + (r)); LPD7X_IOBARRIER; })
369 #define SMC_insw LPD7_SMC_insw
370 static inline void LPD7_SMC_insw (unsigned char* a, int r,
371 unsigned char* p, int l)
373 unsigned short* ps = (unsigned short*) p;
375 *ps++ = readw (a + r);
380 #define SMC_outsw LPD7_SMC_outsw
381 static inline void LPD7_SMC_outsw (unsigned char* a, int r,
382 unsigned char* p, int l)
384 unsigned short* ps = (unsigned short*) p;
386 writew (*ps++, a + r);
391 #define SMC_INTERRUPT_PREAMBLE LPD7X_IOBARRIER
393 #define RPC_LSA_DEFAULT RPC_LED_TX_RX
394 #define RPC_LSB_DEFAULT RPC_LED_100_10
396 #elif defined(CONFIG_SOC_AU1X00)
400 /* We can only do 16-bit reads and writes in the static memory space. */
401 #define SMC_CAN_USE_8BIT 0
402 #define SMC_CAN_USE_16BIT 1
403 #define SMC_CAN_USE_32BIT 0
404 #define SMC_IO_SHIFT 0
407 #define SMC_inw(a, r) au_readw((unsigned long)((a) + (r)))
408 #define SMC_insw(a, r, p, l) \
410 unsigned long _a = (unsigned long)((a) + (r)); \
412 u16 *_p = (u16 *)(p); \
414 *_p++ = au_readw(_a); \
416 #define SMC_outw(v, a, r) au_writew(v, (unsigned long)((a) + (r)))
417 #define SMC_outsw(a, r, p, l) \
419 unsigned long _a = (unsigned long)((a) + (r)); \
421 const u16 *_p = (const u16 *)(p); \
423 au_writew(*_p++ , _a); \
426 #define SMC_IRQ_FLAGS (0)
428 #elif defined(CONFIG_ARCH_VERSATILE)
430 #define SMC_CAN_USE_8BIT 1
431 #define SMC_CAN_USE_16BIT 1
432 #define SMC_CAN_USE_32BIT 1
435 #define SMC_inb(a, r) readb((a) + (r))
436 #define SMC_inw(a, r) readw((a) + (r))
437 #define SMC_inl(a, r) readl((a) + (r))
438 #define SMC_outb(v, a, r) writeb(v, (a) + (r))
439 #define SMC_outw(v, a, r) writew(v, (a) + (r))
440 #define SMC_outl(v, a, r) writel(v, (a) + (r))
441 #define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
442 #define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
444 #define SMC_IRQ_FLAGS (0)
448 #define SMC_CAN_USE_8BIT 1
449 #define SMC_CAN_USE_16BIT 1
450 #define SMC_CAN_USE_32BIT 1
453 #define SMC_inb(a, r) readb((a) + (r))
454 #define SMC_inw(a, r) readw((a) + (r))
455 #define SMC_inl(a, r) readl((a) + (r))
456 #define SMC_outb(v, a, r) writeb(v, (a) + (r))
457 #define SMC_outw(v, a, r) writew(v, (a) + (r))
458 #define SMC_outl(v, a, r) writel(v, (a) + (r))
459 #define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
460 #define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
462 #define RPC_LSA_DEFAULT RPC_LED_100_10
463 #define RPC_LSB_DEFAULT RPC_LED_TX_RX
467 #ifdef SMC_USE_PXA_DMA
469 * Let's use the DMA engine on the XScale PXA2xx for RX packets. This is
470 * always happening in irq context so no need to worry about races. TX is
471 * different and probably not worth it for that reason, and not as critical
472 * as RX which can overrun memory and lose packets.
474 #include <linux/dma-mapping.h>
476 #include <asm/arch/pxa-regs.h>
480 #define SMC_insl(a, r, p, l) \
481 smc_pxa_dma_insl(a, lp->physaddr, r, dev->dma, p, l)
483 smc_pxa_dma_insl(void __iomem *ioaddr, u_long physaddr, int reg, int dma,
484 u_char *buf, int len)
488 /* fallback if no DMA available */
489 if (dma == (unsigned char)-1) {
490 readsl(ioaddr + reg, buf, len);
494 /* 64 bit alignment is required for memory to memory DMA */
496 *((u32 *)buf) = SMC_inl(ioaddr, reg);
502 dmabuf = dma_map_single(NULL, buf, len, DMA_FROM_DEVICE);
503 DCSR(dma) = DCSR_NODESC;
505 DSADR(dma) = physaddr + reg;
506 DCMD(dma) = (DCMD_INCTRGADDR | DCMD_BURST32 |
507 DCMD_WIDTH4 | (DCMD_LENGTH & len));
508 DCSR(dma) = DCSR_NODESC | DCSR_RUN;
509 while (!(DCSR(dma) & DCSR_STOPSTATE))
512 dma_unmap_single(NULL, dmabuf, len, DMA_FROM_DEVICE);
518 #define SMC_insw(a, r, p, l) \
519 smc_pxa_dma_insw(a, lp->physaddr, r, dev->dma, p, l)
521 smc_pxa_dma_insw(void __iomem *ioaddr, u_long physaddr, int reg, int dma,
522 u_char *buf, int len)
526 /* fallback if no DMA available */
527 if (dma == (unsigned char)-1) {
528 readsw(ioaddr + reg, buf, len);
532 /* 64 bit alignment is required for memory to memory DMA */
533 while ((long)buf & 6) {
534 *((u16 *)buf) = SMC_inw(ioaddr, reg);
540 dmabuf = dma_map_single(NULL, buf, len, DMA_FROM_DEVICE);
541 DCSR(dma) = DCSR_NODESC;
543 DSADR(dma) = physaddr + reg;
544 DCMD(dma) = (DCMD_INCTRGADDR | DCMD_BURST32 |
545 DCMD_WIDTH2 | (DCMD_LENGTH & len));
546 DCSR(dma) = DCSR_NODESC | DCSR_RUN;
547 while (!(DCSR(dma) & DCSR_STOPSTATE))
550 dma_unmap_single(NULL, dmabuf, len, DMA_FROM_DEVICE);
555 smc_pxa_dma_irq(int dma, void *dummy)
559 #endif /* SMC_USE_PXA_DMA */
563 * Everything a particular hardware setup needs should have been defined
564 * at this point. Add stubs for the undefined cases, mainly to avoid
565 * compilation warnings since they'll be optimized away, or to prevent buggy
569 #if ! SMC_CAN_USE_32BIT
570 #define SMC_inl(ioaddr, reg) ({ BUG(); 0; })
571 #define SMC_outl(x, ioaddr, reg) BUG()
572 #define SMC_insl(a, r, p, l) BUG()
573 #define SMC_outsl(a, r, p, l) BUG()
576 #if !defined(SMC_insl) || !defined(SMC_outsl)
577 #define SMC_insl(a, r, p, l) BUG()
578 #define SMC_outsl(a, r, p, l) BUG()
581 #if ! SMC_CAN_USE_16BIT
584 * Any 16-bit access is performed with two 8-bit accesses if the hardware
585 * can't do it directly. Most registers are 16-bit so those are mandatory.
587 #define SMC_outw(x, ioaddr, reg) \
589 unsigned int __val16 = (x); \
590 SMC_outb( __val16, ioaddr, reg ); \
591 SMC_outb( __val16 >> 8, ioaddr, reg + (1 << SMC_IO_SHIFT));\
593 #define SMC_inw(ioaddr, reg) \
595 unsigned int __val16; \
596 __val16 = SMC_inb( ioaddr, reg ); \
597 __val16 |= SMC_inb( ioaddr, reg + (1 << SMC_IO_SHIFT)) << 8; \
601 #define SMC_insw(a, r, p, l) BUG()
602 #define SMC_outsw(a, r, p, l) BUG()
606 #if !defined(SMC_insw) || !defined(SMC_outsw)
607 #define SMC_insw(a, r, p, l) BUG()
608 #define SMC_outsw(a, r, p, l) BUG()
611 #if ! SMC_CAN_USE_8BIT
612 #define SMC_inb(ioaddr, reg) ({ BUG(); 0; })
613 #define SMC_outb(x, ioaddr, reg) BUG()
614 #define SMC_insb(a, r, p, l) BUG()
615 #define SMC_outsb(a, r, p, l) BUG()
618 #if !defined(SMC_insb) || !defined(SMC_outsb)
619 #define SMC_insb(a, r, p, l) BUG()
620 #define SMC_outsb(a, r, p, l) BUG()
623 #ifndef SMC_CAN_USE_DATACS
624 #define SMC_CAN_USE_DATACS 0
628 #define SMC_IO_SHIFT 0
631 #ifndef SMC_IRQ_FLAGS
632 #define SMC_IRQ_FLAGS IRQF_TRIGGER_RISING
635 #ifndef SMC_INTERRUPT_PREAMBLE
636 #define SMC_INTERRUPT_PREAMBLE
640 /* Because of bank switching, the LAN91x uses only 16 I/O ports */
641 #define SMC_IO_EXTENT (16 << SMC_IO_SHIFT)
642 #define SMC_DATA_EXTENT (4)
645 . Bank Select Register:
647 . yyyy yyyy 0000 00xx
649 . yyyy yyyy = 0x33, for identification purposes.
651 #define BANK_SELECT (14 << SMC_IO_SHIFT)
654 // Transmit Control Register
656 #define TCR_REG SMC_REG(0x0000, 0)
657 #define TCR_ENABLE 0x0001 // When 1 we can transmit
658 #define TCR_LOOP 0x0002 // Controls output pin LBK
659 #define TCR_FORCOL 0x0004 // When 1 will force a collision
660 #define TCR_PAD_EN 0x0080 // When 1 will pad tx frames < 64 bytes w/0
661 #define TCR_NOCRC 0x0100 // When 1 will not append CRC to tx frames
662 #define TCR_MON_CSN 0x0400 // When 1 tx monitors carrier
663 #define TCR_FDUPLX 0x0800 // When 1 enables full duplex operation
664 #define TCR_STP_SQET 0x1000 // When 1 stops tx if Signal Quality Error
665 #define TCR_EPH_LOOP 0x2000 // When 1 enables EPH block loopback
666 #define TCR_SWFDUP 0x8000 // When 1 enables Switched Full Duplex mode
668 #define TCR_CLEAR 0 /* do NOTHING */
669 /* the default settings for the TCR register : */
670 #define TCR_DEFAULT (TCR_ENABLE | TCR_PAD_EN)
673 // EPH Status Register
675 #define EPH_STATUS_REG SMC_REG(0x0002, 0)
676 #define ES_TX_SUC 0x0001 // Last TX was successful
677 #define ES_SNGL_COL 0x0002 // Single collision detected for last tx
678 #define ES_MUL_COL 0x0004 // Multiple collisions detected for last tx
679 #define ES_LTX_MULT 0x0008 // Last tx was a multicast
680 #define ES_16COL 0x0010 // 16 Collisions Reached
681 #define ES_SQET 0x0020 // Signal Quality Error Test
682 #define ES_LTXBRD 0x0040 // Last tx was a broadcast
683 #define ES_TXDEFR 0x0080 // Transmit Deferred
684 #define ES_LATCOL 0x0200 // Late collision detected on last tx
685 #define ES_LOSTCARR 0x0400 // Lost Carrier Sense
686 #define ES_EXC_DEF 0x0800 // Excessive Deferral
687 #define ES_CTR_ROL 0x1000 // Counter Roll Over indication
688 #define ES_LINK_OK 0x4000 // Driven by inverted value of nLNK pin
689 #define ES_TXUNRN 0x8000 // Tx Underrun
692 // Receive Control Register
694 #define RCR_REG SMC_REG(0x0004, 0)
695 #define RCR_RX_ABORT 0x0001 // Set if a rx frame was aborted
696 #define RCR_PRMS 0x0002 // Enable promiscuous mode
697 #define RCR_ALMUL 0x0004 // When set accepts all multicast frames
698 #define RCR_RXEN 0x0100 // IFF this is set, we can receive packets
699 #define RCR_STRIP_CRC 0x0200 // When set strips CRC from rx packets
700 #define RCR_ABORT_ENB 0x0200 // When set will abort rx on collision
701 #define RCR_FILT_CAR 0x0400 // When set filters leading 12 bit s of carrier
702 #define RCR_SOFTRST 0x8000 // resets the chip
704 /* the normal settings for the RCR register : */
705 #define RCR_DEFAULT (RCR_STRIP_CRC | RCR_RXEN)
706 #define RCR_CLEAR 0x0 // set it to a base state
711 #define COUNTER_REG SMC_REG(0x0006, 0)
714 // Memory Information Register
716 #define MIR_REG SMC_REG(0x0008, 0)
719 // Receive/Phy Control Register
721 #define RPC_REG SMC_REG(0x000A, 0)
722 #define RPC_SPEED 0x2000 // When 1 PHY is in 100Mbps mode.
723 #define RPC_DPLX 0x1000 // When 1 PHY is in Full-Duplex Mode
724 #define RPC_ANEG 0x0800 // When 1 PHY is in Auto-Negotiate Mode
725 #define RPC_LSXA_SHFT 5 // Bits to shift LS2A,LS1A,LS0A to lsb
726 #define RPC_LSXB_SHFT 2 // Bits to get LS2B,LS1B,LS0B to lsb
727 #define RPC_LED_100_10 (0x00) // LED = 100Mbps OR's with 10Mbps link detect
728 #define RPC_LED_RES (0x01) // LED = Reserved
729 #define RPC_LED_10 (0x02) // LED = 10Mbps link detect
730 #define RPC_LED_FD (0x03) // LED = Full Duplex Mode
731 #define RPC_LED_TX_RX (0x04) // LED = TX or RX packet occurred
732 #define RPC_LED_100 (0x05) // LED = 100Mbps link dectect
733 #define RPC_LED_TX (0x06) // LED = TX packet occurred
734 #define RPC_LED_RX (0x07) // LED = RX packet occurred
736 #ifndef RPC_LSA_DEFAULT
737 #define RPC_LSA_DEFAULT RPC_LED_100
739 #ifndef RPC_LSB_DEFAULT
740 #define RPC_LSB_DEFAULT RPC_LED_FD
743 #define RPC_DEFAULT (RPC_ANEG | (RPC_LSA_DEFAULT << RPC_LSXA_SHFT) | (RPC_LSB_DEFAULT << RPC_LSXB_SHFT) | RPC_SPEED | RPC_DPLX)
746 /* Bank 0 0x0C is reserved */
748 // Bank Select Register
750 #define BSR_REG 0x000E
755 #define CONFIG_REG SMC_REG(0x0000, 1)
756 #define CONFIG_EXT_PHY 0x0200 // 1=external MII, 0=internal Phy
757 #define CONFIG_GPCNTRL 0x0400 // Inverse value drives pin nCNTRL
758 #define CONFIG_NO_WAIT 0x1000 // When 1 no extra wait states on ISA bus
759 #define CONFIG_EPH_POWER_EN 0x8000 // When 0 EPH is placed into low power mode.
761 // Default is powered-up, Internal Phy, Wait States, and pin nCNTRL=low
762 #define CONFIG_DEFAULT (CONFIG_EPH_POWER_EN)
765 // Base Address Register
767 #define BASE_REG SMC_REG(0x0002, 1)
770 // Individual Address Registers
772 #define ADDR0_REG SMC_REG(0x0004, 1)
773 #define ADDR1_REG SMC_REG(0x0006, 1)
774 #define ADDR2_REG SMC_REG(0x0008, 1)
777 // General Purpose Register
779 #define GP_REG SMC_REG(0x000A, 1)
784 #define CTL_REG SMC_REG(0x000C, 1)
785 #define CTL_RCV_BAD 0x4000 // When 1 bad CRC packets are received
786 #define CTL_AUTO_RELEASE 0x0800 // When 1 tx pages are released automatically
787 #define CTL_LE_ENABLE 0x0080 // When 1 enables Link Error interrupt
788 #define CTL_CR_ENABLE 0x0040 // When 1 enables Counter Rollover interrupt
789 #define CTL_TE_ENABLE 0x0020 // When 1 enables Transmit Error interrupt
790 #define CTL_EEPROM_SELECT 0x0004 // Controls EEPROM reload & store
791 #define CTL_RELOAD 0x0002 // When set reads EEPROM into registers
792 #define CTL_STORE 0x0001 // When set stores registers into EEPROM
795 // MMU Command Register
797 #define MMU_CMD_REG SMC_REG(0x0000, 2)
798 #define MC_BUSY 1 // When 1 the last release has not completed
799 #define MC_NOP (0<<5) // No Op
800 #define MC_ALLOC (1<<5) // OR with number of 256 byte packets
801 #define MC_RESET (2<<5) // Reset MMU to initial state
802 #define MC_REMOVE (3<<5) // Remove the current rx packet
803 #define MC_RELEASE (4<<5) // Remove and release the current rx packet
804 #define MC_FREEPKT (5<<5) // Release packet in PNR register
805 #define MC_ENQUEUE (6<<5) // Enqueue the packet for transmit
806 #define MC_RSTTXFIFO (7<<5) // Reset the TX FIFOs
809 // Packet Number Register
811 #define PN_REG SMC_REG(0x0002, 2)
814 // Allocation Result Register
816 #define AR_REG SMC_REG(0x0003, 2)
817 #define AR_FAILED 0x80 // Alocation Failed
820 // TX FIFO Ports Register
822 #define TXFIFO_REG SMC_REG(0x0004, 2)
823 #define TXFIFO_TEMPTY 0x80 // TX FIFO Empty
825 // RX FIFO Ports Register
827 #define RXFIFO_REG SMC_REG(0x0005, 2)
828 #define RXFIFO_REMPTY 0x80 // RX FIFO Empty
830 #define FIFO_REG SMC_REG(0x0004, 2)
834 #define PTR_REG SMC_REG(0x0006, 2)
835 #define PTR_RCV 0x8000 // 1=Receive area, 0=Transmit area
836 #define PTR_AUTOINC 0x4000 // Auto increment the pointer on each access
837 #define PTR_READ 0x2000 // When 1 the operation is a read
842 #define DATA_REG SMC_REG(0x0008, 2)
845 // Interrupt Status/Acknowledge Register
847 #define INT_REG SMC_REG(0x000C, 2)
850 // Interrupt Mask Register
852 #define IM_REG SMC_REG(0x000D, 2)
853 #define IM_MDINT 0x80 // PHY MI Register 18 Interrupt
854 #define IM_ERCV_INT 0x40 // Early Receive Interrupt
855 #define IM_EPH_INT 0x20 // Set by Ethernet Protocol Handler section
856 #define IM_RX_OVRN_INT 0x10 // Set by Receiver Overruns
857 #define IM_ALLOC_INT 0x08 // Set when allocation request is completed
858 #define IM_TX_EMPTY_INT 0x04 // Set if the TX FIFO goes empty
859 #define IM_TX_INT 0x02 // Transmit Interrupt
860 #define IM_RCV_INT 0x01 // Receive Interrupt
863 // Multicast Table Registers
865 #define MCAST_REG1 SMC_REG(0x0000, 3)
866 #define MCAST_REG2 SMC_REG(0x0002, 3)
867 #define MCAST_REG3 SMC_REG(0x0004, 3)
868 #define MCAST_REG4 SMC_REG(0x0006, 3)
871 // Management Interface Register (MII)
873 #define MII_REG SMC_REG(0x0008, 3)
874 #define MII_MSK_CRS100 0x4000 // Disables CRS100 detection during tx half dup
875 #define MII_MDOE 0x0008 // MII Output Enable
876 #define MII_MCLK 0x0004 // MII Clock, pin MDCLK
877 #define MII_MDI 0x0002 // MII Input, pin MDI
878 #define MII_MDO 0x0001 // MII Output, pin MDO
883 /* ( hi: chip id low: rev # ) */
884 #define REV_REG SMC_REG(0x000A, 3)
887 // Early RCV Register
889 /* this is NOT on SMC9192 */
890 #define ERCV_REG SMC_REG(0x000C, 3)
891 #define ERCV_RCV_DISCRD 0x0080 // When 1 discards a packet being received
892 #define ERCV_THRESHOLD 0x001F // ERCV Threshold Mask
897 #define EXT_REG SMC_REG(0x0000, 7)
905 #define CHIP_91100FD 8
906 #define CHIP_91111FD 9
908 static const char * chip_ids[ 16 ] = {
910 /* 3 */ "SMC91C90/91C92",
915 /* 8 */ "SMC91C100FD",
916 /* 9 */ "SMC91C11xFD",
922 . Receive status bits
924 #define RS_ALGNERR 0x8000
925 #define RS_BRODCAST 0x4000
926 #define RS_BADCRC 0x2000
927 #define RS_ODDFRAME 0x1000
928 #define RS_TOOLONG 0x0800
929 #define RS_TOOSHORT 0x0400
930 #define RS_MULTICAST 0x0001
931 #define RS_ERRORS (RS_ALGNERR | RS_BADCRC | RS_TOOLONG | RS_TOOSHORT)
936 * LAN83C183 == LAN91C111 Internal PHY
938 #define PHY_LAN83C183 0x0016f840
939 #define PHY_LAN83C180 0x02821c50
942 * PHY Register Addresses (LAN91C111 Internal PHY)
944 * Generic PHY registers can be found in <linux/mii.h>
946 * These phy registers are specific to our on-board phy.
949 // PHY Configuration Register 1
950 #define PHY_CFG1_REG 0x10
951 #define PHY_CFG1_LNKDIS 0x8000 // 1=Rx Link Detect Function disabled
952 #define PHY_CFG1_XMTDIS 0x4000 // 1=TP Transmitter Disabled
953 #define PHY_CFG1_XMTPDN 0x2000 // 1=TP Transmitter Powered Down
954 #define PHY_CFG1_BYPSCR 0x0400 // 1=Bypass scrambler/descrambler
955 #define PHY_CFG1_UNSCDS 0x0200 // 1=Unscramble Idle Reception Disable
956 #define PHY_CFG1_EQLZR 0x0100 // 1=Rx Equalizer Disabled
957 #define PHY_CFG1_CABLE 0x0080 // 1=STP(150ohm), 0=UTP(100ohm)
958 #define PHY_CFG1_RLVL0 0x0040 // 1=Rx Squelch level reduced by 4.5db
959 #define PHY_CFG1_TLVL_SHIFT 2 // Transmit Output Level Adjust
960 #define PHY_CFG1_TLVL_MASK 0x003C
961 #define PHY_CFG1_TRF_MASK 0x0003 // Transmitter Rise/Fall time
964 // PHY Configuration Register 2
965 #define PHY_CFG2_REG 0x11
966 #define PHY_CFG2_APOLDIS 0x0020 // 1=Auto Polarity Correction disabled
967 #define PHY_CFG2_JABDIS 0x0010 // 1=Jabber disabled
968 #define PHY_CFG2_MREG 0x0008 // 1=Multiple register access (MII mgt)
969 #define PHY_CFG2_INTMDIO 0x0004 // 1=Interrupt signaled with MDIO pulseo
971 // PHY Status Output (and Interrupt status) Register
972 #define PHY_INT_REG 0x12 // Status Output (Interrupt Status)
973 #define PHY_INT_INT 0x8000 // 1=bits have changed since last read
974 #define PHY_INT_LNKFAIL 0x4000 // 1=Link Not detected
975 #define PHY_INT_LOSSSYNC 0x2000 // 1=Descrambler has lost sync
976 #define PHY_INT_CWRD 0x1000 // 1=Invalid 4B5B code detected on rx
977 #define PHY_INT_SSD 0x0800 // 1=No Start Of Stream detected on rx
978 #define PHY_INT_ESD 0x0400 // 1=No End Of Stream detected on rx
979 #define PHY_INT_RPOL 0x0200 // 1=Reverse Polarity detected
980 #define PHY_INT_JAB 0x0100 // 1=Jabber detected
981 #define PHY_INT_SPDDET 0x0080 // 1=100Base-TX mode, 0=10Base-T mode
982 #define PHY_INT_DPLXDET 0x0040 // 1=Device in Full Duplex
984 // PHY Interrupt/Status Mask Register
985 #define PHY_MASK_REG 0x13 // Interrupt Mask
986 // Uses the same bit definitions as PHY_INT_REG
990 * SMC91C96 ethernet config and status registers.
991 * These are in the "attribute" space.
994 #define ECOR_RESET 0x80
995 #define ECOR_LEVEL_IRQ 0x40
996 #define ECOR_WR_ATTRIB 0x04
997 #define ECOR_ENABLE 0x01
1000 #define ECSR_IOIS8 0x20
1001 #define ECSR_PWRDWN 0x04
1002 #define ECSR_INT 0x02
1004 #define ATTRIB_SIZE ((64*1024) << SMC_IO_SHIFT)
1008 * Macros to abstract register access according to the data bus
1009 * capabilities. Please use those and not the in/out primitives.
1010 * Note: the following macros do *not* select the bank -- this must
1011 * be done separately as needed in the main code. The SMC_REG() macro
1012 * only uses the bank argument for debugging purposes (when enabled).
1014 * Note: despite inline functions being safer, everything leading to this
1015 * should preferably be macros to let BUG() display the line number in
1016 * the core source code since we're interested in the top call site
1017 * not in any inline function location.
1021 #define SMC_REG(reg, bank) \
1023 int __b = SMC_CURRENT_BANK(); \
1024 if (unlikely((__b & ~0xf0) != (0x3300 | bank))) { \
1025 printk( "%s: bank reg screwed (0x%04x)\n", \
1029 reg<<SMC_IO_SHIFT; \
1032 #define SMC_REG(reg, bank) (reg<<SMC_IO_SHIFT)
1036 * Hack Alert: Some setups just can't write 8 or 16 bits reliably when not
1037 * aligned to a 32 bit boundary. I tell you that does exist!
1038 * Fortunately the affected register accesses can be easily worked around
1039 * since we can write zeroes to the preceeding 16 bits without adverse
1040 * effects and use a 32-bit access.
1042 * Enforce it on any 32-bit capable setup for now.
1044 #define SMC_MUST_ALIGN_WRITE SMC_CAN_USE_32BIT
1046 #define SMC_GET_PN() \
1047 ( SMC_CAN_USE_8BIT ? (SMC_inb(ioaddr, PN_REG)) \
1048 : (SMC_inw(ioaddr, PN_REG) & 0xFF) )
1050 #define SMC_SET_PN(x) \
1052 if (SMC_MUST_ALIGN_WRITE) \
1053 SMC_outl((x)<<16, ioaddr, SMC_REG(0, 2)); \
1054 else if (SMC_CAN_USE_8BIT) \
1055 SMC_outb(x, ioaddr, PN_REG); \
1057 SMC_outw(x, ioaddr, PN_REG); \
1060 #define SMC_GET_AR() \
1061 ( SMC_CAN_USE_8BIT ? (SMC_inb(ioaddr, AR_REG)) \
1062 : (SMC_inw(ioaddr, PN_REG) >> 8) )
1064 #define SMC_GET_TXFIFO() \
1065 ( SMC_CAN_USE_8BIT ? (SMC_inb(ioaddr, TXFIFO_REG)) \
1066 : (SMC_inw(ioaddr, TXFIFO_REG) & 0xFF) )
1068 #define SMC_GET_RXFIFO() \
1069 ( SMC_CAN_USE_8BIT ? (SMC_inb(ioaddr, RXFIFO_REG)) \
1070 : (SMC_inw(ioaddr, TXFIFO_REG) >> 8) )
1072 #define SMC_GET_INT() \
1073 ( SMC_CAN_USE_8BIT ? (SMC_inb(ioaddr, INT_REG)) \
1074 : (SMC_inw(ioaddr, INT_REG) & 0xFF) )
1076 #define SMC_ACK_INT(x) \
1078 if (SMC_CAN_USE_8BIT) \
1079 SMC_outb(x, ioaddr, INT_REG); \
1081 unsigned long __flags; \
1083 local_irq_save(__flags); \
1084 __mask = SMC_inw( ioaddr, INT_REG ) & ~0xff; \
1085 SMC_outw( __mask | (x), ioaddr, INT_REG ); \
1086 local_irq_restore(__flags); \
1090 #define SMC_GET_INT_MASK() \
1091 ( SMC_CAN_USE_8BIT ? (SMC_inb(ioaddr, IM_REG)) \
1092 : (SMC_inw( ioaddr, INT_REG ) >> 8) )
1094 #define SMC_SET_INT_MASK(x) \
1096 if (SMC_CAN_USE_8BIT) \
1097 SMC_outb(x, ioaddr, IM_REG); \
1099 SMC_outw((x) << 8, ioaddr, INT_REG); \
1102 #define SMC_CURRENT_BANK() SMC_inw(ioaddr, BANK_SELECT)
1104 #define SMC_SELECT_BANK(x) \
1106 if (SMC_MUST_ALIGN_WRITE) \
1107 SMC_outl((x)<<16, ioaddr, 12<<SMC_IO_SHIFT); \
1109 SMC_outw(x, ioaddr, BANK_SELECT); \
1112 #define SMC_GET_BASE() SMC_inw(ioaddr, BASE_REG)
1114 #define SMC_SET_BASE(x) SMC_outw(x, ioaddr, BASE_REG)
1116 #define SMC_GET_CONFIG() SMC_inw(ioaddr, CONFIG_REG)
1118 #define SMC_SET_CONFIG(x) SMC_outw(x, ioaddr, CONFIG_REG)
1120 #define SMC_GET_COUNTER() SMC_inw(ioaddr, COUNTER_REG)
1122 #define SMC_GET_CTL() SMC_inw(ioaddr, CTL_REG)
1124 #define SMC_SET_CTL(x) SMC_outw(x, ioaddr, CTL_REG)
1126 #define SMC_GET_MII() SMC_inw(ioaddr, MII_REG)
1128 #define SMC_SET_MII(x) SMC_outw(x, ioaddr, MII_REG)
1130 #define SMC_GET_MIR() SMC_inw(ioaddr, MIR_REG)
1132 #define SMC_SET_MIR(x) SMC_outw(x, ioaddr, MIR_REG)
1134 #define SMC_GET_MMU_CMD() SMC_inw(ioaddr, MMU_CMD_REG)
1136 #define SMC_SET_MMU_CMD(x) SMC_outw(x, ioaddr, MMU_CMD_REG)
1138 #define SMC_GET_FIFO() SMC_inw(ioaddr, FIFO_REG)
1140 #define SMC_GET_PTR() SMC_inw(ioaddr, PTR_REG)
1142 #define SMC_SET_PTR(x) \
1144 if (SMC_MUST_ALIGN_WRITE) \
1145 SMC_outl((x)<<16, ioaddr, SMC_REG(4, 2)); \
1147 SMC_outw(x, ioaddr, PTR_REG); \
1150 #define SMC_GET_EPH_STATUS() SMC_inw(ioaddr, EPH_STATUS_REG)
1152 #define SMC_GET_RCR() SMC_inw(ioaddr, RCR_REG)
1154 #define SMC_SET_RCR(x) SMC_outw(x, ioaddr, RCR_REG)
1156 #define SMC_GET_REV() SMC_inw(ioaddr, REV_REG)
1158 #define SMC_GET_RPC() SMC_inw(ioaddr, RPC_REG)
1160 #define SMC_SET_RPC(x) \
1162 if (SMC_MUST_ALIGN_WRITE) \
1163 SMC_outl((x)<<16, ioaddr, SMC_REG(8, 0)); \
1165 SMC_outw(x, ioaddr, RPC_REG); \
1168 #define SMC_GET_TCR() SMC_inw(ioaddr, TCR_REG)
1170 #define SMC_SET_TCR(x) SMC_outw(x, ioaddr, TCR_REG)
1172 #ifndef SMC_GET_MAC_ADDR
1173 #define SMC_GET_MAC_ADDR(addr) \
1176 __v = SMC_inw( ioaddr, ADDR0_REG ); \
1177 addr[0] = __v; addr[1] = __v >> 8; \
1178 __v = SMC_inw( ioaddr, ADDR1_REG ); \
1179 addr[2] = __v; addr[3] = __v >> 8; \
1180 __v = SMC_inw( ioaddr, ADDR2_REG ); \
1181 addr[4] = __v; addr[5] = __v >> 8; \
1185 #define SMC_SET_MAC_ADDR(addr) \
1187 SMC_outw( addr[0]|(addr[1] << 8), ioaddr, ADDR0_REG ); \
1188 SMC_outw( addr[2]|(addr[3] << 8), ioaddr, ADDR1_REG ); \
1189 SMC_outw( addr[4]|(addr[5] << 8), ioaddr, ADDR2_REG ); \
1192 #define SMC_SET_MCAST(x) \
1194 const unsigned char *mt = (x); \
1195 SMC_outw( mt[0] | (mt[1] << 8), ioaddr, MCAST_REG1 ); \
1196 SMC_outw( mt[2] | (mt[3] << 8), ioaddr, MCAST_REG2 ); \
1197 SMC_outw( mt[4] | (mt[5] << 8), ioaddr, MCAST_REG3 ); \
1198 SMC_outw( mt[6] | (mt[7] << 8), ioaddr, MCAST_REG4 ); \
1201 #define SMC_PUT_PKT_HDR(status, length) \
1203 if (SMC_CAN_USE_32BIT) \
1204 SMC_outl((status) | (length)<<16, ioaddr, DATA_REG); \
1206 SMC_outw(status, ioaddr, DATA_REG); \
1207 SMC_outw(length, ioaddr, DATA_REG); \
1211 #define SMC_GET_PKT_HDR(status, length) \
1213 if (SMC_CAN_USE_32BIT) { \
1214 unsigned int __val = SMC_inl(ioaddr, DATA_REG); \
1215 (status) = __val & 0xffff; \
1216 (length) = __val >> 16; \
1218 (status) = SMC_inw(ioaddr, DATA_REG); \
1219 (length) = SMC_inw(ioaddr, DATA_REG); \
1223 #define SMC_PUSH_DATA(p, l) \
1225 if (SMC_CAN_USE_32BIT) { \
1226 void *__ptr = (p); \
1228 void __iomem *__ioaddr = ioaddr; \
1229 if (__len >= 2 && (unsigned long)__ptr & 2) { \
1231 SMC_outw(*(u16 *)__ptr, ioaddr, DATA_REG); \
1234 if (SMC_CAN_USE_DATACS && lp->datacs) \
1235 __ioaddr = lp->datacs; \
1236 SMC_outsl(__ioaddr, DATA_REG, __ptr, __len>>2); \
1238 __ptr += (__len & ~3); \
1239 SMC_outw(*((u16 *)__ptr), ioaddr, DATA_REG); \
1241 } else if (SMC_CAN_USE_16BIT) \
1242 SMC_outsw(ioaddr, DATA_REG, p, (l) >> 1); \
1243 else if (SMC_CAN_USE_8BIT) \
1244 SMC_outsb(ioaddr, DATA_REG, p, l); \
1247 #define SMC_PULL_DATA(p, l) \
1249 if (SMC_CAN_USE_32BIT) { \
1250 void *__ptr = (p); \
1252 void __iomem *__ioaddr = ioaddr; \
1253 if ((unsigned long)__ptr & 2) { \
1255 * We want 32bit alignment here. \
1256 * Since some buses perform a full \
1257 * 32bit fetch even for 16bit data \
1258 * we can't use SMC_inw() here. \
1259 * Back both source (on-chip) and \
1260 * destination pointers of 2 bytes. \
1261 * This is possible since the call to \
1262 * SMC_GET_PKT_HDR() already advanced \
1263 * the source pointer of 4 bytes, and \
1264 * the skb_reserve(skb, 2) advanced \
1265 * the destination pointer of 2 bytes. \
1269 SMC_SET_PTR(2|PTR_READ|PTR_RCV|PTR_AUTOINC); \
1271 if (SMC_CAN_USE_DATACS && lp->datacs) \
1272 __ioaddr = lp->datacs; \
1274 SMC_insl(__ioaddr, DATA_REG, __ptr, __len>>2); \
1275 } else if (SMC_CAN_USE_16BIT) \
1276 SMC_insw(ioaddr, DATA_REG, p, (l) >> 1); \
1277 else if (SMC_CAN_USE_8BIT) \
1278 SMC_insb(ioaddr, DATA_REG, p, l); \
1281 #endif /* _SMC91X_H_ */