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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*------------------------------------------------------------------------
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>
Nicolas Pitre2f82af02009-09-14 03:25:28 -040031 . Nicolas Pitre <nico@fluxnic.net>
Linus Torvalds1da177e2005-04-16 15:20:36 -070032 .
33 ---------------------------------------------------------------------------*/
34#ifndef _SMC91X_H_
35#define _SMC91X_H_
36
Magnus Damm3e947942008-02-22 19:55:15 +090037#include <linux/smc91x.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070038
39/*
40 * Define your architecture specific bus configuration parameters here.
41 */
42
Eric Miao38fd6c32008-06-24 16:14:26 +080043#if defined(CONFIG_ARCH_LUBBOCK) ||\
Eric Miao88c36eb2008-06-24 16:47:37 +080044 defined(CONFIG_MACH_MAINSTONE) ||\
Eric Miaoe1719da2008-06-24 16:49:41 +080045 defined(CONFIG_MACH_ZYLONITE) ||\
Marc Zyngier175ff202008-07-22 16:59:44 +020046 defined(CONFIG_MACH_LITTLETON) ||\
Eric Miaoa6b993c2009-02-18 16:38:22 +080047 defined(CONFIG_MACH_ZYLONITE2) ||\
Jonathan Cameron80153d12009-05-12 19:37:20 +000048 defined(CONFIG_ARCH_VIPER) ||\
49 defined(CONFIG_MACH_STARGATE2)
Linus Torvalds1da177e2005-04-16 15:20:36 -070050
Eric Miao38fd6c32008-06-24 16:14:26 +080051#include <asm/mach-types.h>
52
53/* Now the bus width is specified in the platform data
54 * pretend here to support all I/O access types
55 */
56#define SMC_CAN_USE_8BIT 1
Linus Torvalds1da177e2005-04-16 15:20:36 -070057#define SMC_CAN_USE_16BIT 1
Eric Miao38fd6c32008-06-24 16:14:26 +080058#define SMC_CAN_USE_32BIT 1
Linus Torvalds1da177e2005-04-16 15:20:36 -070059#define SMC_NOWAIT 1
60
Eric Miao3aed74c2008-06-24 15:51:02 +080061#define SMC_IO_SHIFT (lp->io_shift)
Linus Torvalds1da177e2005-04-16 15:20:36 -070062
Eric Miao38fd6c32008-06-24 16:14:26 +080063#define SMC_inb(a, r) readb((a) + (r))
Linus Torvalds1da177e2005-04-16 15:20:36 -070064#define SMC_inw(a, r) readw((a) + (r))
Eric Miao38fd6c32008-06-24 16:14:26 +080065#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))
Linus Torvalds1da177e2005-04-16 15:20:36 -070068#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)
Eric Miao38fd6c32008-06-24 16:14:26 +080070#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)
Russell Kinge7b3dc72008-01-14 22:30:10 +000072#define SMC_IRQ_FLAGS (-1) /* from resource */
Linus Torvalds1da177e2005-04-16 15:20:36 -070073
Eric Miao38fd6c32008-06-24 16:14:26 +080074/* We actually can't write halfwords properly if not word aligned */
75static inline void SMC_outw(u16 val, void __iomem *ioaddr, int reg)
76{
Jonathan Cameron80153d12009-05-12 19:37:20 +000077 if ((machine_is_mainstone() || machine_is_stargate2()) && reg & 2) {
Eric Miao38fd6c32008-06-24 16:14:26 +080078 unsigned int v = val << 16;
79 v |= readl(ioaddr + (reg & ~2)) & 0xffff;
80 writel(v, ioaddr + (reg & ~2));
81 } else {
82 writew(val, ioaddr + reg);
83 }
84}
85
Linus Torvalds1da177e2005-04-16 15:20:36 -070086#elif defined(CONFIG_REDWOOD_5) || defined(CONFIG_REDWOOD_6)
87
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
92#define SMC_NOWAIT 1
93
94#define SMC_IO_SHIFT 0
95
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) \
99 do { \
100 unsigned long __port = (a) + (r); \
101 u16 *__p = (u16 *)(p); \
102 int __l = (l); \
103 insw(__port, __p, __l); \
104 while (__l > 0) { \
105 *__p = swab16(*__p); \
106 __p++; \
107 __l--; \
108 } \
109 } while (0)
110#define SMC_outsw(a, r, p, l) \
111 do { \
112 unsigned long __port = (a) + (r); \
113 u16 *__p = (u16 *)(p); \
114 int __l = (l); \
115 while (__l > 0) { \
116 /* Believe it or not, the swab isn't needed. */ \
117 outw( /* swab16 */ (*__p++), __port); \
118 __l--; \
119 } \
120 } while (0)
Russell King9ded96f2006-01-08 01:02:07 -0800121#define SMC_IRQ_FLAGS (0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700122
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
129#define SMC_NOWAIT 1
130
Russell King1cf99be2005-11-12 21:49:36 +0000131#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)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700139
Russell Kinge7b3dc72008-01-14 22:30:10 +0000140#define SMC_IRQ_FLAGS (-1)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700141
142#elif defined(CONFIG_SA1100_ASSABET)
143
Russell Kinga09e64f2008-08-05 16:14:15 +0100144#include <mach/neponset.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -0700145
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
150#define SMC_NOWAIT 1
151
152/* The first two address lines aren't connected... */
153#define SMC_IO_SHIFT 2
154
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))
Russell Kinge7b3dc72008-01-14 22:30:10 +0000159#define SMC_IRQ_FLAGS (-1) /* from resource */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700160
Joe Perches8e95a202009-12-03 07:58:21 +0000161#elif defined(CONFIG_MACH_LOGICPD_PXA270) || \
162 defined(CONFIG_MACH_NOMADIK_8815NHK)
Lennert Buytenhekb0348b92006-03-28 17:19:50 +0200163
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
168#define SMC_NOWAIT 1
Lennert Buytenhekb0348b92006-03-28 17:19:50 +0200169
Lennert Buytenhekb0348b92006-03-28 17:19:50 +0200170#define SMC_inw(a, r) readw((a) + (r))
Lennert Buytenhekb0348b92006-03-28 17:19:50 +0200171#define SMC_outw(v, a, r) writew(v, (a) + (r))
Lennert Buytenhekb0348b92006-03-28 17:19:50 +0200172#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)
174
Linus Torvalds1da177e2005-04-16 15:20:36 -0700175#elif defined(CONFIG_ARCH_INNOKOM) || \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700176 defined(CONFIG_ARCH_PXA_IDP) || \
Robert Schwebel4f15a982008-01-08 08:50:02 +0100177 defined(CONFIG_ARCH_RAMSES) || \
178 defined(CONFIG_ARCH_PCM027)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700179
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
184#define SMC_NOWAIT 1
185#define SMC_USE_PXA_DMA 1
186
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)
Russell Kinge7b3dc72008-01-14 22:30:10 +0000194#define SMC_IRQ_FLAGS (-1) /* from resource */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700195
196/* We actually can't write halfwords properly if not word aligned */
197static inline void
Nicolas Pitreeb1d6982005-05-12 20:19:09 -0400198SMC_outw(u16 val, void __iomem *ioaddr, int reg)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700199{
200 if (reg & 2) {
201 unsigned int v = val << 16;
202 v |= readl(ioaddr + (reg & ~2)) & 0xffff;
203 writel(v, ioaddr + (reg & ~2));
204 } else {
205 writew(val, ioaddr + reg);
206 }
207}
208
209#elif defined(CONFIG_ARCH_OMAP)
210
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
216#define SMC_NOWAIT 1
217
Linus Torvalds1da177e2005-04-16 15:20:36 -0700218#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)
Russell Kinge7b3dc72008-01-14 22:30:10 +0000222#define SMC_IRQ_FLAGS (-1) /* from resource */
David Brownell5f13e7e2005-05-16 08:53:52 -0700223
Linus Torvalds1da177e2005-04-16 15:20:36 -0700224#elif defined(CONFIG_SH_SH4202_MICRODEV)
225
226#define SMC_CAN_USE_8BIT 0
227#define SMC_CAN_USE_16BIT 1
228#define SMC_CAN_USE_32BIT 0
229
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)
240
Russell King9ded96f2006-01-08 01:02:07 -0800241#define SMC_IRQ_FLAGS (0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700242
Linus Torvalds1da177e2005-04-16 15:20:36 -0700243#elif defined(CONFIG_M32R)
244
245#define SMC_CAN_USE_8BIT 0
246#define SMC_CAN_USE_16BIT 1
247#define SMC_CAN_USE_32BIT 0
248
Mariusz Kozlowski59dc76a2006-12-04 15:04:56 -0800249#define SMC_inb(a, r) inb(((u32)a) + (r))
Hirokazu Takataf3ac9fb2005-10-30 15:00:06 -0800250#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)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700255
Russell King9ded96f2006-01-08 01:02:07 -0800256#define SMC_IRQ_FLAGS (0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700257
258#define RPC_LSA_DEFAULT RPC_LED_TX_RX
259#define RPC_LSB_DEFAULT RPC_LED_100_10
260
Joe Perches8e95a202009-12-03 07:58:21 +0000261#elif defined(CONFIG_MACH_LPD79520) || \
262 defined(CONFIG_MACH_LPD7A400) || \
263 defined(CONFIG_MACH_LPD7A404)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700264
Marc Singerd4adcff2006-05-16 11:41:40 +0100265/* 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
Linus Torvalds1da177e2005-04-16 15:20:36 -0700268 * Documentation/arm/Sharp-LH/IOBarrier for details. The read from
Marc Singerd4adcff2006-05-16 11:41:40 +0100269 * 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
271 * accessible region.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700272 *
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.
282 */
283
Russell Kinga09e64f2008-08-05 16:14:15 +0100284#include <mach/constants.h> /* IOBARRIER_VIRT */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700285
286#define SMC_CAN_USE_8BIT 0
287#define SMC_CAN_USE_16BIT 1
288#define SMC_CAN_USE_32BIT 0
289#define SMC_NOWAIT 0
Marc Singerd4adcff2006-05-16 11:41:40 +0100290#define LPD7X_IOBARRIER readb (IOBARRIER_VIRT)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700291
Marc Singerd4adcff2006-05-16 11:41:40 +0100292#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; })
Linus Torvalds1da177e2005-04-16 15:20:36 -0700295
Marc Singerd4adcff2006-05-16 11:41:40 +0100296#define SMC_insw LPD7_SMC_insw
297static inline void LPD7_SMC_insw (unsigned char* a, int r,
298 unsigned char* p, int l)
299{
300 unsigned short* ps = (unsigned short*) p;
301 while (l-- > 0) {
302 *ps++ = readw (a + r);
303 LPD7X_IOBARRIER;
304 }
305}
Nicolas Pitre09779c62006-03-20 11:54:27 -0500306
Marc Singerd4adcff2006-05-16 11:41:40 +0100307#define SMC_outsw LPD7_SMC_outsw
308static inline void LPD7_SMC_outsw (unsigned char* a, int r,
309 unsigned char* p, int l)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700310{
311 unsigned short* ps = (unsigned short*) p;
312 while (l-- > 0) {
313 writew (*ps++, a + r);
Marc Singerd4adcff2006-05-16 11:41:40 +0100314 LPD7X_IOBARRIER;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700315 }
316}
317
Marc Singerd4adcff2006-05-16 11:41:40 +0100318#define SMC_INTERRUPT_PREAMBLE LPD7X_IOBARRIER
Linus Torvalds1da177e2005-04-16 15:20:36 -0700319
320#define RPC_LSA_DEFAULT RPC_LED_TX_RX
321#define RPC_LSB_DEFAULT RPC_LED_100_10
322
Deepak Saxena8431adf2006-07-11 23:02:48 -0700323#elif defined(CONFIG_ARCH_VERSATILE)
324
325#define SMC_CAN_USE_8BIT 1
326#define SMC_CAN_USE_16BIT 1
327#define SMC_CAN_USE_32BIT 1
328#define SMC_NOWAIT 1
329
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)
Russell Kinge7b3dc72008-01-14 22:30:10 +0000338#define SMC_IRQ_FLAGS (-1) /* from resource */
Deepak Saxena8431adf2006-07-11 23:02:48 -0700339
David Howellsb920de12008-02-08 04:19:31 -0800340#elif defined(CONFIG_MN10300)
341
342/*
343 * MN10300/AM33 configuration
344 */
345
David Howells2f2a2132009-04-10 14:33:48 +0100346#include <unit/smc91111.h>
David Howellsb920de12008-02-08 04:19:31 -0800347
Linus Torvalds1da177e2005-04-16 15:20:36 -0700348#else
349
David Howellsb920de12008-02-08 04:19:31 -0800350/*
351 * Default configuration
352 */
353
Linus Torvalds1da177e2005-04-16 15:20:36 -0700354#define SMC_CAN_USE_8BIT 1
355#define SMC_CAN_USE_16BIT 1
356#define SMC_CAN_USE_32BIT 1
357#define SMC_NOWAIT 1
358
Magnus Dammd1c5ea32008-09-08 14:02:34 +0900359#define SMC_IO_SHIFT (lp->io_shift)
360
Linus Torvalds1da177e2005-04-16 15:20:36 -0700361#define SMC_inb(a, r) readb((a) + (r))
362#define SMC_inw(a, r) readw((a) + (r))
363#define SMC_inl(a, r) readl((a) + (r))
364#define SMC_outb(v, a, r) writeb(v, (a) + (r))
365#define SMC_outw(v, a, r) writew(v, (a) + (r))
366#define SMC_outl(v, a, r) writel(v, (a) + (r))
Magnus Damm8a214c12008-02-22 19:55:24 +0900367#define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
368#define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700369#define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
370#define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
371
372#define RPC_LSA_DEFAULT RPC_LED_100_10
373#define RPC_LSB_DEFAULT RPC_LED_TX_RX
374
375#endif
376
Russell King073ac8f2007-09-01 21:27:18 +0100377
378/* store this information for the driver.. */
379struct smc_local {
380 /*
381 * If I have to wait until memory is available to send a
382 * packet, I will store the skbuff here, until I get the
383 * desired memory. Then, I'll send it out and free it.
384 */
385 struct sk_buff *pending_tx_skb;
386 struct tasklet_struct tx_task;
387
388 /* version/revision of the SMC91x chip */
389 int version;
390
391 /* Contains the current active transmission mode */
392 int tcr_cur_mode;
393
394 /* Contains the current active receive mode */
395 int rcr_cur_mode;
396
397 /* Contains the current active receive/phy mode */
398 int rpc_cur_mode;
399 int ctl_rfduplx;
400 int ctl_rspeed;
401
402 u32 msg_enable;
403 u32 phy_type;
404 struct mii_if_info mii;
405
406 /* work queue */
407 struct work_struct phy_configure;
408 struct net_device *dev;
409 int work_pending;
410
411 spinlock_t lock;
412
Eric Miao52256c02008-06-24 15:36:05 +0800413#ifdef CONFIG_ARCH_PXA
Russell King073ac8f2007-09-01 21:27:18 +0100414 /* DMA needs the physical address of the chip */
415 u_long physaddr;
416 struct device *device;
417#endif
418 void __iomem *base;
419 void __iomem *datacs;
Magnus Damm3e947942008-02-22 19:55:15 +0900420
Eric Miao15919882008-06-24 13:38:50 +0800421 /* the low address lines on some platforms aren't connected... */
422 int io_shift;
423
Magnus Damm3e947942008-02-22 19:55:15 +0900424 struct smc91x_platdata cfg;
Russell King073ac8f2007-09-01 21:27:18 +0100425};
426
Eric Miaofa6d3be2008-06-19 17:19:57 +0800427#define SMC_8BIT(p) ((p)->cfg.flags & SMC91X_USE_8BIT)
428#define SMC_16BIT(p) ((p)->cfg.flags & SMC91X_USE_16BIT)
429#define SMC_32BIT(p) ((p)->cfg.flags & SMC91X_USE_32BIT)
Russell King073ac8f2007-09-01 21:27:18 +0100430
Eric Miao52256c02008-06-24 15:36:05 +0800431#ifdef CONFIG_ARCH_PXA
Linus Torvalds1da177e2005-04-16 15:20:36 -0700432/*
433 * Let's use the DMA engine on the XScale PXA2xx for RX packets. This is
434 * always happening in irq context so no need to worry about races. TX is
435 * different and probably not worth it for that reason, and not as critical
436 * as RX which can overrun memory and lose packets.
437 */
438#include <linux/dma-mapping.h>
Russell Kingdcea83a2008-11-29 11:40:28 +0000439#include <mach/dma.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -0700440
441#ifdef SMC_insl
442#undef SMC_insl
443#define SMC_insl(a, r, p, l) \
Russell King073ac8f2007-09-01 21:27:18 +0100444 smc_pxa_dma_insl(a, lp, r, dev->dma, p, l)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700445static inline void
Russell King073ac8f2007-09-01 21:27:18 +0100446smc_pxa_dma_insl(void __iomem *ioaddr, struct smc_local *lp, int reg, int dma,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700447 u_char *buf, int len)
448{
Russell King073ac8f2007-09-01 21:27:18 +0100449 u_long physaddr = lp->physaddr;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700450 dma_addr_t dmabuf;
451
452 /* fallback if no DMA available */
453 if (dma == (unsigned char)-1) {
454 readsl(ioaddr + reg, buf, len);
455 return;
456 }
457
458 /* 64 bit alignment is required for memory to memory DMA */
459 if ((long)buf & 4) {
460 *((u32 *)buf) = SMC_inl(ioaddr, reg);
461 buf += 4;
462 len--;
463 }
464
465 len *= 4;
Russell King073ac8f2007-09-01 21:27:18 +0100466 dmabuf = dma_map_single(lp->device, buf, len, DMA_FROM_DEVICE);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700467 DCSR(dma) = DCSR_NODESC;
468 DTADR(dma) = dmabuf;
469 DSADR(dma) = physaddr + reg;
470 DCMD(dma) = (DCMD_INCTRGADDR | DCMD_BURST32 |
471 DCMD_WIDTH4 | (DCMD_LENGTH & len));
472 DCSR(dma) = DCSR_NODESC | DCSR_RUN;
473 while (!(DCSR(dma) & DCSR_STOPSTATE))
474 cpu_relax();
475 DCSR(dma) = 0;
Russell King073ac8f2007-09-01 21:27:18 +0100476 dma_unmap_single(lp->device, dmabuf, len, DMA_FROM_DEVICE);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700477}
478#endif
479
480#ifdef SMC_insw
481#undef SMC_insw
482#define SMC_insw(a, r, p, l) \
Russell King073ac8f2007-09-01 21:27:18 +0100483 smc_pxa_dma_insw(a, lp, r, dev->dma, p, l)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700484static inline void
Russell King073ac8f2007-09-01 21:27:18 +0100485smc_pxa_dma_insw(void __iomem *ioaddr, struct smc_local *lp, int reg, int dma,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700486 u_char *buf, int len)
487{
Russell King073ac8f2007-09-01 21:27:18 +0100488 u_long physaddr = lp->physaddr;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700489 dma_addr_t dmabuf;
490
491 /* fallback if no DMA available */
492 if (dma == (unsigned char)-1) {
493 readsw(ioaddr + reg, buf, len);
494 return;
495 }
496
497 /* 64 bit alignment is required for memory to memory DMA */
498 while ((long)buf & 6) {
499 *((u16 *)buf) = SMC_inw(ioaddr, reg);
500 buf += 2;
501 len--;
502 }
503
504 len *= 2;
Russell King073ac8f2007-09-01 21:27:18 +0100505 dmabuf = dma_map_single(lp->device, buf, len, DMA_FROM_DEVICE);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700506 DCSR(dma) = DCSR_NODESC;
507 DTADR(dma) = dmabuf;
508 DSADR(dma) = physaddr + reg;
509 DCMD(dma) = (DCMD_INCTRGADDR | DCMD_BURST32 |
510 DCMD_WIDTH2 | (DCMD_LENGTH & len));
511 DCSR(dma) = DCSR_NODESC | DCSR_RUN;
512 while (!(DCSR(dma) & DCSR_STOPSTATE))
513 cpu_relax();
514 DCSR(dma) = 0;
Russell King073ac8f2007-09-01 21:27:18 +0100515 dma_unmap_single(lp->device, dmabuf, len, DMA_FROM_DEVICE);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700516}
517#endif
518
519static void
David Howells7d12e782006-10-05 14:55:46 +0100520smc_pxa_dma_irq(int dma, void *dummy)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700521{
522 DCSR(dma) = 0;
523}
Eric Miao52256c02008-06-24 15:36:05 +0800524#endif /* CONFIG_ARCH_PXA */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700525
526
Nicolas Pitre09779c62006-03-20 11:54:27 -0500527/*
528 * Everything a particular hardware setup needs should have been defined
529 * at this point. Add stubs for the undefined cases, mainly to avoid
530 * compilation warnings since they'll be optimized away, or to prevent buggy
531 * use of them.
532 */
533
534#if ! SMC_CAN_USE_32BIT
535#define SMC_inl(ioaddr, reg) ({ BUG(); 0; })
536#define SMC_outl(x, ioaddr, reg) BUG()
537#define SMC_insl(a, r, p, l) BUG()
538#define SMC_outsl(a, r, p, l) BUG()
539#endif
540
541#if !defined(SMC_insl) || !defined(SMC_outsl)
542#define SMC_insl(a, r, p, l) BUG()
543#define SMC_outsl(a, r, p, l) BUG()
544#endif
545
546#if ! SMC_CAN_USE_16BIT
547
548/*
549 * Any 16-bit access is performed with two 8-bit accesses if the hardware
550 * can't do it directly. Most registers are 16-bit so those are mandatory.
551 */
552#define SMC_outw(x, ioaddr, reg) \
553 do { \
554 unsigned int __val16 = (x); \
555 SMC_outb( __val16, ioaddr, reg ); \
556 SMC_outb( __val16 >> 8, ioaddr, reg + (1 << SMC_IO_SHIFT));\
557 } while (0)
558#define SMC_inw(ioaddr, reg) \
559 ({ \
560 unsigned int __val16; \
561 __val16 = SMC_inb( ioaddr, reg ); \
562 __val16 |= SMC_inb( ioaddr, reg + (1 << SMC_IO_SHIFT)) << 8; \
563 __val16; \
564 })
565
566#define SMC_insw(a, r, p, l) BUG()
567#define SMC_outsw(a, r, p, l) BUG()
568
569#endif
570
571#if !defined(SMC_insw) || !defined(SMC_outsw)
572#define SMC_insw(a, r, p, l) BUG()
573#define SMC_outsw(a, r, p, l) BUG()
574#endif
575
576#if ! SMC_CAN_USE_8BIT
577#define SMC_inb(ioaddr, reg) ({ BUG(); 0; })
578#define SMC_outb(x, ioaddr, reg) BUG()
579#define SMC_insb(a, r, p, l) BUG()
580#define SMC_outsb(a, r, p, l) BUG()
581#endif
582
583#if !defined(SMC_insb) || !defined(SMC_outsb)
584#define SMC_insb(a, r, p, l) BUG()
585#define SMC_outsb(a, r, p, l) BUG()
586#endif
587
588#ifndef SMC_CAN_USE_DATACS
589#define SMC_CAN_USE_DATACS 0
590#endif
591
Linus Torvalds1da177e2005-04-16 15:20:36 -0700592#ifndef SMC_IO_SHIFT
593#define SMC_IO_SHIFT 0
594#endif
Nicolas Pitre09779c62006-03-20 11:54:27 -0500595
596#ifndef SMC_IRQ_FLAGS
Thomas Gleixner1fb9df52006-07-01 19:29:39 -0700597#define SMC_IRQ_FLAGS IRQF_TRIGGER_RISING
Nicolas Pitre09779c62006-03-20 11:54:27 -0500598#endif
599
600#ifndef SMC_INTERRUPT_PREAMBLE
601#define SMC_INTERRUPT_PREAMBLE
602#endif
603
604
605/* Because of bank switching, the LAN91x uses only 16 I/O ports */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700606#define SMC_IO_EXTENT (16 << SMC_IO_SHIFT)
607#define SMC_DATA_EXTENT (4)
608
609/*
610 . Bank Select Register:
611 .
612 . yyyy yyyy 0000 00xx
613 . xx = bank number
614 . yyyy yyyy = 0x33, for identification purposes.
615*/
616#define BANK_SELECT (14 << SMC_IO_SHIFT)
617
618
619// Transmit Control Register
620/* BANK 0 */
Magnus Dammcfdfa862008-02-22 19:55:05 +0900621#define TCR_REG(lp) SMC_REG(lp, 0x0000, 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700622#define TCR_ENABLE 0x0001 // When 1 we can transmit
623#define TCR_LOOP 0x0002 // Controls output pin LBK
624#define TCR_FORCOL 0x0004 // When 1 will force a collision
625#define TCR_PAD_EN 0x0080 // When 1 will pad tx frames < 64 bytes w/0
626#define TCR_NOCRC 0x0100 // When 1 will not append CRC to tx frames
627#define TCR_MON_CSN 0x0400 // When 1 tx monitors carrier
628#define TCR_FDUPLX 0x0800 // When 1 enables full duplex operation
629#define TCR_STP_SQET 0x1000 // When 1 stops tx if Signal Quality Error
630#define TCR_EPH_LOOP 0x2000 // When 1 enables EPH block loopback
631#define TCR_SWFDUP 0x8000 // When 1 enables Switched Full Duplex mode
632
633#define TCR_CLEAR 0 /* do NOTHING */
634/* the default settings for the TCR register : */
635#define TCR_DEFAULT (TCR_ENABLE | TCR_PAD_EN)
636
637
638// EPH Status Register
639/* BANK 0 */
Magnus Dammcfdfa862008-02-22 19:55:05 +0900640#define EPH_STATUS_REG(lp) SMC_REG(lp, 0x0002, 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700641#define ES_TX_SUC 0x0001 // Last TX was successful
642#define ES_SNGL_COL 0x0002 // Single collision detected for last tx
643#define ES_MUL_COL 0x0004 // Multiple collisions detected for last tx
644#define ES_LTX_MULT 0x0008 // Last tx was a multicast
645#define ES_16COL 0x0010 // 16 Collisions Reached
646#define ES_SQET 0x0020 // Signal Quality Error Test
647#define ES_LTXBRD 0x0040 // Last tx was a broadcast
648#define ES_TXDEFR 0x0080 // Transmit Deferred
649#define ES_LATCOL 0x0200 // Late collision detected on last tx
650#define ES_LOSTCARR 0x0400 // Lost Carrier Sense
651#define ES_EXC_DEF 0x0800 // Excessive Deferral
652#define ES_CTR_ROL 0x1000 // Counter Roll Over indication
653#define ES_LINK_OK 0x4000 // Driven by inverted value of nLNK pin
654#define ES_TXUNRN 0x8000 // Tx Underrun
655
656
657// Receive Control Register
658/* BANK 0 */
Magnus Dammcfdfa862008-02-22 19:55:05 +0900659#define RCR_REG(lp) SMC_REG(lp, 0x0004, 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700660#define RCR_RX_ABORT 0x0001 // Set if a rx frame was aborted
661#define RCR_PRMS 0x0002 // Enable promiscuous mode
662#define RCR_ALMUL 0x0004 // When set accepts all multicast frames
663#define RCR_RXEN 0x0100 // IFF this is set, we can receive packets
664#define RCR_STRIP_CRC 0x0200 // When set strips CRC from rx packets
665#define RCR_ABORT_ENB 0x0200 // When set will abort rx on collision
666#define RCR_FILT_CAR 0x0400 // When set filters leading 12 bit s of carrier
667#define RCR_SOFTRST 0x8000 // resets the chip
668
669/* the normal settings for the RCR register : */
670#define RCR_DEFAULT (RCR_STRIP_CRC | RCR_RXEN)
671#define RCR_CLEAR 0x0 // set it to a base state
672
673
674// Counter Register
675/* BANK 0 */
Magnus Dammcfdfa862008-02-22 19:55:05 +0900676#define COUNTER_REG(lp) SMC_REG(lp, 0x0006, 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700677
678
679// Memory Information Register
680/* BANK 0 */
Magnus Dammcfdfa862008-02-22 19:55:05 +0900681#define MIR_REG(lp) SMC_REG(lp, 0x0008, 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700682
683
684// Receive/Phy Control Register
685/* BANK 0 */
Magnus Dammcfdfa862008-02-22 19:55:05 +0900686#define RPC_REG(lp) SMC_REG(lp, 0x000A, 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700687#define RPC_SPEED 0x2000 // When 1 PHY is in 100Mbps mode.
688#define RPC_DPLX 0x1000 // When 1 PHY is in Full-Duplex Mode
689#define RPC_ANEG 0x0800 // When 1 PHY is in Auto-Negotiate Mode
690#define RPC_LSXA_SHFT 5 // Bits to shift LS2A,LS1A,LS0A to lsb
691#define RPC_LSXB_SHFT 2 // Bits to get LS2B,LS1B,LS0B to lsb
Linus Torvalds1da177e2005-04-16 15:20:36 -0700692
693#ifndef RPC_LSA_DEFAULT
694#define RPC_LSA_DEFAULT RPC_LED_100
695#endif
696#ifndef RPC_LSB_DEFAULT
697#define RPC_LSB_DEFAULT RPC_LED_FD
698#endif
699
Russell Kingb0dbcf52008-09-04 21:13:37 +0100700#define RPC_DEFAULT (RPC_ANEG | RPC_SPEED | RPC_DPLX)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700701
702
703/* Bank 0 0x0C is reserved */
704
705// Bank Select Register
706/* All Banks */
707#define BSR_REG 0x000E
708
709
710// Configuration Reg
711/* BANK 1 */
Magnus Dammcfdfa862008-02-22 19:55:05 +0900712#define CONFIG_REG(lp) SMC_REG(lp, 0x0000, 1)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700713#define CONFIG_EXT_PHY 0x0200 // 1=external MII, 0=internal Phy
714#define CONFIG_GPCNTRL 0x0400 // Inverse value drives pin nCNTRL
715#define CONFIG_NO_WAIT 0x1000 // When 1 no extra wait states on ISA bus
716#define CONFIG_EPH_POWER_EN 0x8000 // When 0 EPH is placed into low power mode.
717
718// Default is powered-up, Internal Phy, Wait States, and pin nCNTRL=low
719#define CONFIG_DEFAULT (CONFIG_EPH_POWER_EN)
720
721
722// Base Address Register
723/* BANK 1 */
Magnus Dammcfdfa862008-02-22 19:55:05 +0900724#define BASE_REG(lp) SMC_REG(lp, 0x0002, 1)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700725
726
727// Individual Address Registers
728/* BANK 1 */
Magnus Dammcfdfa862008-02-22 19:55:05 +0900729#define ADDR0_REG(lp) SMC_REG(lp, 0x0004, 1)
730#define ADDR1_REG(lp) SMC_REG(lp, 0x0006, 1)
731#define ADDR2_REG(lp) SMC_REG(lp, 0x0008, 1)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700732
733
734// General Purpose Register
735/* BANK 1 */
Magnus Dammcfdfa862008-02-22 19:55:05 +0900736#define GP_REG(lp) SMC_REG(lp, 0x000A, 1)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700737
738
739// Control Register
740/* BANK 1 */
Magnus Dammcfdfa862008-02-22 19:55:05 +0900741#define CTL_REG(lp) SMC_REG(lp, 0x000C, 1)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700742#define CTL_RCV_BAD 0x4000 // When 1 bad CRC packets are received
743#define CTL_AUTO_RELEASE 0x0800 // When 1 tx pages are released automatically
744#define CTL_LE_ENABLE 0x0080 // When 1 enables Link Error interrupt
745#define CTL_CR_ENABLE 0x0040 // When 1 enables Counter Rollover interrupt
746#define CTL_TE_ENABLE 0x0020 // When 1 enables Transmit Error interrupt
747#define CTL_EEPROM_SELECT 0x0004 // Controls EEPROM reload & store
748#define CTL_RELOAD 0x0002 // When set reads EEPROM into registers
749#define CTL_STORE 0x0001 // When set stores registers into EEPROM
750
751
752// MMU Command Register
753/* BANK 2 */
Magnus Dammcfdfa862008-02-22 19:55:05 +0900754#define MMU_CMD_REG(lp) SMC_REG(lp, 0x0000, 2)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700755#define MC_BUSY 1 // When 1 the last release has not completed
756#define MC_NOP (0<<5) // No Op
757#define MC_ALLOC (1<<5) // OR with number of 256 byte packets
758#define MC_RESET (2<<5) // Reset MMU to initial state
759#define MC_REMOVE (3<<5) // Remove the current rx packet
760#define MC_RELEASE (4<<5) // Remove and release the current rx packet
761#define MC_FREEPKT (5<<5) // Release packet in PNR register
762#define MC_ENQUEUE (6<<5) // Enqueue the packet for transmit
763#define MC_RSTTXFIFO (7<<5) // Reset the TX FIFOs
764
765
766// Packet Number Register
767/* BANK 2 */
Magnus Dammcfdfa862008-02-22 19:55:05 +0900768#define PN_REG(lp) SMC_REG(lp, 0x0002, 2)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700769
770
771// Allocation Result Register
772/* BANK 2 */
Magnus Dammcfdfa862008-02-22 19:55:05 +0900773#define AR_REG(lp) SMC_REG(lp, 0x0003, 2)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700774#define AR_FAILED 0x80 // Alocation Failed
775
776
777// TX FIFO Ports Register
778/* BANK 2 */
Magnus Dammcfdfa862008-02-22 19:55:05 +0900779#define TXFIFO_REG(lp) SMC_REG(lp, 0x0004, 2)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700780#define TXFIFO_TEMPTY 0x80 // TX FIFO Empty
781
782// RX FIFO Ports Register
783/* BANK 2 */
Magnus Dammcfdfa862008-02-22 19:55:05 +0900784#define RXFIFO_REG(lp) SMC_REG(lp, 0x0005, 2)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700785#define RXFIFO_REMPTY 0x80 // RX FIFO Empty
786
Magnus Dammcfdfa862008-02-22 19:55:05 +0900787#define FIFO_REG(lp) SMC_REG(lp, 0x0004, 2)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700788
789// Pointer Register
790/* BANK 2 */
Magnus Dammcfdfa862008-02-22 19:55:05 +0900791#define PTR_REG(lp) SMC_REG(lp, 0x0006, 2)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700792#define PTR_RCV 0x8000 // 1=Receive area, 0=Transmit area
793#define PTR_AUTOINC 0x4000 // Auto increment the pointer on each access
794#define PTR_READ 0x2000 // When 1 the operation is a read
795
796
797// Data Register
798/* BANK 2 */
Magnus Dammcfdfa862008-02-22 19:55:05 +0900799#define DATA_REG(lp) SMC_REG(lp, 0x0008, 2)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700800
801
802// Interrupt Status/Acknowledge Register
803/* BANK 2 */
Magnus Dammcfdfa862008-02-22 19:55:05 +0900804#define INT_REG(lp) SMC_REG(lp, 0x000C, 2)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700805
806
807// Interrupt Mask Register
808/* BANK 2 */
Magnus Dammcfdfa862008-02-22 19:55:05 +0900809#define IM_REG(lp) SMC_REG(lp, 0x000D, 2)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700810#define IM_MDINT 0x80 // PHY MI Register 18 Interrupt
811#define IM_ERCV_INT 0x40 // Early Receive Interrupt
812#define IM_EPH_INT 0x20 // Set by Ethernet Protocol Handler section
813#define IM_RX_OVRN_INT 0x10 // Set by Receiver Overruns
814#define IM_ALLOC_INT 0x08 // Set when allocation request is completed
815#define IM_TX_EMPTY_INT 0x04 // Set if the TX FIFO goes empty
816#define IM_TX_INT 0x02 // Transmit Interrupt
817#define IM_RCV_INT 0x01 // Receive Interrupt
818
819
820// Multicast Table Registers
821/* BANK 3 */
Magnus Dammcfdfa862008-02-22 19:55:05 +0900822#define MCAST_REG1(lp) SMC_REG(lp, 0x0000, 3)
823#define MCAST_REG2(lp) SMC_REG(lp, 0x0002, 3)
824#define MCAST_REG3(lp) SMC_REG(lp, 0x0004, 3)
825#define MCAST_REG4(lp) SMC_REG(lp, 0x0006, 3)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700826
827
828// Management Interface Register (MII)
829/* BANK 3 */
Magnus Dammcfdfa862008-02-22 19:55:05 +0900830#define MII_REG(lp) SMC_REG(lp, 0x0008, 3)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700831#define MII_MSK_CRS100 0x4000 // Disables CRS100 detection during tx half dup
832#define MII_MDOE 0x0008 // MII Output Enable
833#define MII_MCLK 0x0004 // MII Clock, pin MDCLK
834#define MII_MDI 0x0002 // MII Input, pin MDI
835#define MII_MDO 0x0001 // MII Output, pin MDO
836
837
838// Revision Register
839/* BANK 3 */
840/* ( hi: chip id low: rev # ) */
Magnus Dammcfdfa862008-02-22 19:55:05 +0900841#define REV_REG(lp) SMC_REG(lp, 0x000A, 3)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700842
843
844// Early RCV Register
845/* BANK 3 */
846/* this is NOT on SMC9192 */
Magnus Dammcfdfa862008-02-22 19:55:05 +0900847#define ERCV_REG(lp) SMC_REG(lp, 0x000C, 3)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700848#define ERCV_RCV_DISCRD 0x0080 // When 1 discards a packet being received
849#define ERCV_THRESHOLD 0x001F // ERCV Threshold Mask
850
851
852// External Register
853/* BANK 7 */
Magnus Dammcfdfa862008-02-22 19:55:05 +0900854#define EXT_REG(lp) SMC_REG(lp, 0x0000, 7)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700855
856
857#define CHIP_9192 3
858#define CHIP_9194 4
859#define CHIP_9195 5
860#define CHIP_9196 6
861#define CHIP_91100 7
862#define CHIP_91100FD 8
863#define CHIP_91111FD 9
864
865static const char * chip_ids[ 16 ] = {
866 NULL, NULL, NULL,
867 /* 3 */ "SMC91C90/91C92",
868 /* 4 */ "SMC91C94",
869 /* 5 */ "SMC91C95",
870 /* 6 */ "SMC91C96",
871 /* 7 */ "SMC91C100",
872 /* 8 */ "SMC91C100FD",
873 /* 9 */ "SMC91C11xFD",
874 NULL, NULL, NULL,
875 NULL, NULL, NULL};
876
877
878/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700879 . Receive status bits
880*/
881#define RS_ALGNERR 0x8000
882#define RS_BRODCAST 0x4000
883#define RS_BADCRC 0x2000
884#define RS_ODDFRAME 0x1000
885#define RS_TOOLONG 0x0800
886#define RS_TOOSHORT 0x0400
887#define RS_MULTICAST 0x0001
888#define RS_ERRORS (RS_ALGNERR | RS_BADCRC | RS_TOOLONG | RS_TOOSHORT)
889
890
891/*
892 * PHY IDs
893 * LAN83C183 == LAN91C111 Internal PHY
894 */
895#define PHY_LAN83C183 0x0016f840
896#define PHY_LAN83C180 0x02821c50
897
898/*
899 * PHY Register Addresses (LAN91C111 Internal PHY)
900 *
901 * Generic PHY registers can be found in <linux/mii.h>
902 *
903 * These phy registers are specific to our on-board phy.
904 */
905
906// PHY Configuration Register 1
907#define PHY_CFG1_REG 0x10
908#define PHY_CFG1_LNKDIS 0x8000 // 1=Rx Link Detect Function disabled
909#define PHY_CFG1_XMTDIS 0x4000 // 1=TP Transmitter Disabled
910#define PHY_CFG1_XMTPDN 0x2000 // 1=TP Transmitter Powered Down
911#define PHY_CFG1_BYPSCR 0x0400 // 1=Bypass scrambler/descrambler
912#define PHY_CFG1_UNSCDS 0x0200 // 1=Unscramble Idle Reception Disable
913#define PHY_CFG1_EQLZR 0x0100 // 1=Rx Equalizer Disabled
914#define PHY_CFG1_CABLE 0x0080 // 1=STP(150ohm), 0=UTP(100ohm)
915#define PHY_CFG1_RLVL0 0x0040 // 1=Rx Squelch level reduced by 4.5db
916#define PHY_CFG1_TLVL_SHIFT 2 // Transmit Output Level Adjust
917#define PHY_CFG1_TLVL_MASK 0x003C
918#define PHY_CFG1_TRF_MASK 0x0003 // Transmitter Rise/Fall time
919
920
921// PHY Configuration Register 2
922#define PHY_CFG2_REG 0x11
923#define PHY_CFG2_APOLDIS 0x0020 // 1=Auto Polarity Correction disabled
924#define PHY_CFG2_JABDIS 0x0010 // 1=Jabber disabled
925#define PHY_CFG2_MREG 0x0008 // 1=Multiple register access (MII mgt)
926#define PHY_CFG2_INTMDIO 0x0004 // 1=Interrupt signaled with MDIO pulseo
927
928// PHY Status Output (and Interrupt status) Register
929#define PHY_INT_REG 0x12 // Status Output (Interrupt Status)
930#define PHY_INT_INT 0x8000 // 1=bits have changed since last read
931#define PHY_INT_LNKFAIL 0x4000 // 1=Link Not detected
932#define PHY_INT_LOSSSYNC 0x2000 // 1=Descrambler has lost sync
933#define PHY_INT_CWRD 0x1000 // 1=Invalid 4B5B code detected on rx
934#define PHY_INT_SSD 0x0800 // 1=No Start Of Stream detected on rx
935#define PHY_INT_ESD 0x0400 // 1=No End Of Stream detected on rx
936#define PHY_INT_RPOL 0x0200 // 1=Reverse Polarity detected
937#define PHY_INT_JAB 0x0100 // 1=Jabber detected
938#define PHY_INT_SPDDET 0x0080 // 1=100Base-TX mode, 0=10Base-T mode
939#define PHY_INT_DPLXDET 0x0040 // 1=Device in Full Duplex
940
941// PHY Interrupt/Status Mask Register
942#define PHY_MASK_REG 0x13 // Interrupt Mask
943// Uses the same bit definitions as PHY_INT_REG
944
945
946/*
947 * SMC91C96 ethernet config and status registers.
948 * These are in the "attribute" space.
949 */
950#define ECOR 0x8000
951#define ECOR_RESET 0x80
952#define ECOR_LEVEL_IRQ 0x40
953#define ECOR_WR_ATTRIB 0x04
954#define ECOR_ENABLE 0x01
955
956#define ECSR 0x8002
957#define ECSR_IOIS8 0x20
958#define ECSR_PWRDWN 0x04
959#define ECSR_INT 0x02
960
961#define ATTRIB_SIZE ((64*1024) << SMC_IO_SHIFT)
962
963
964/*
965 * Macros to abstract register access according to the data bus
966 * capabilities. Please use those and not the in/out primitives.
967 * Note: the following macros do *not* select the bank -- this must
968 * be done separately as needed in the main code. The SMC_REG() macro
969 * only uses the bank argument for debugging purposes (when enabled).
Nicolas Pitre09779c62006-03-20 11:54:27 -0500970 *
971 * Note: despite inline functions being safer, everything leading to this
972 * should preferably be macros to let BUG() display the line number in
973 * the core source code since we're interested in the top call site
974 * not in any inline function location.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700975 */
976
977#if SMC_DEBUG > 0
Magnus Dammcfdfa862008-02-22 19:55:05 +0900978#define SMC_REG(lp, reg, bank) \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700979 ({ \
Magnus Dammcfdfa862008-02-22 19:55:05 +0900980 int __b = SMC_CURRENT_BANK(lp); \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700981 if (unlikely((__b & ~0xf0) != (0x3300 | bank))) { \
982 printk( "%s: bank reg screwed (0x%04x)\n", \
983 CARDNAME, __b ); \
984 BUG(); \
985 } \
986 reg<<SMC_IO_SHIFT; \
987 })
988#else
Magnus Dammcfdfa862008-02-22 19:55:05 +0900989#define SMC_REG(lp, reg, bank) (reg<<SMC_IO_SHIFT)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700990#endif
991
Nicolas Pitre09779c62006-03-20 11:54:27 -0500992/*
993 * Hack Alert: Some setups just can't write 8 or 16 bits reliably when not
994 * aligned to a 32 bit boundary. I tell you that does exist!
995 * Fortunately the affected register accesses can be easily worked around
996 * since we can write zeroes to the preceeding 16 bits without adverse
997 * effects and use a 32-bit access.
998 *
999 * Enforce it on any 32-bit capable setup for now.
1000 */
Magnus Damm3e947942008-02-22 19:55:15 +09001001#define SMC_MUST_ALIGN_WRITE(lp) SMC_32BIT(lp)
Nicolas Pitre09779c62006-03-20 11:54:27 -05001002
Magnus Dammcfdfa862008-02-22 19:55:05 +09001003#define SMC_GET_PN(lp) \
Magnus Damm3e947942008-02-22 19:55:15 +09001004 (SMC_8BIT(lp) ? (SMC_inb(ioaddr, PN_REG(lp))) \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001005 : (SMC_inw(ioaddr, PN_REG(lp)) & 0xFF))
Nicolas Pitre09779c62006-03-20 11:54:27 -05001006
Magnus Dammcfdfa862008-02-22 19:55:05 +09001007#define SMC_SET_PN(lp, x) \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001008 do { \
Magnus Damm3e947942008-02-22 19:55:15 +09001009 if (SMC_MUST_ALIGN_WRITE(lp)) \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001010 SMC_outl((x)<<16, ioaddr, SMC_REG(lp, 0, 2)); \
Magnus Damm3e947942008-02-22 19:55:15 +09001011 else if (SMC_8BIT(lp)) \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001012 SMC_outb(x, ioaddr, PN_REG(lp)); \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001013 else \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001014 SMC_outw(x, ioaddr, PN_REG(lp)); \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001015 } while (0)
1016
Magnus Dammcfdfa862008-02-22 19:55:05 +09001017#define SMC_GET_AR(lp) \
Magnus Damm3e947942008-02-22 19:55:15 +09001018 (SMC_8BIT(lp) ? (SMC_inb(ioaddr, AR_REG(lp))) \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001019 : (SMC_inw(ioaddr, PN_REG(lp)) >> 8))
Nicolas Pitre09779c62006-03-20 11:54:27 -05001020
Magnus Dammcfdfa862008-02-22 19:55:05 +09001021#define SMC_GET_TXFIFO(lp) \
Magnus Damm3e947942008-02-22 19:55:15 +09001022 (SMC_8BIT(lp) ? (SMC_inb(ioaddr, TXFIFO_REG(lp))) \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001023 : (SMC_inw(ioaddr, TXFIFO_REG(lp)) & 0xFF))
Nicolas Pitre09779c62006-03-20 11:54:27 -05001024
Magnus Dammcfdfa862008-02-22 19:55:05 +09001025#define SMC_GET_RXFIFO(lp) \
Magnus Damm3e947942008-02-22 19:55:15 +09001026 (SMC_8BIT(lp) ? (SMC_inb(ioaddr, RXFIFO_REG(lp))) \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001027 : (SMC_inw(ioaddr, TXFIFO_REG(lp)) >> 8))
Nicolas Pitre09779c62006-03-20 11:54:27 -05001028
Magnus Dammcfdfa862008-02-22 19:55:05 +09001029#define SMC_GET_INT(lp) \
Magnus Damm3e947942008-02-22 19:55:15 +09001030 (SMC_8BIT(lp) ? (SMC_inb(ioaddr, INT_REG(lp))) \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001031 : (SMC_inw(ioaddr, INT_REG(lp)) & 0xFF))
Nicolas Pitre09779c62006-03-20 11:54:27 -05001032
Magnus Dammcfdfa862008-02-22 19:55:05 +09001033#define SMC_ACK_INT(lp, x) \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001034 do { \
Magnus Damm3e947942008-02-22 19:55:15 +09001035 if (SMC_8BIT(lp)) \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001036 SMC_outb(x, ioaddr, INT_REG(lp)); \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001037 else { \
1038 unsigned long __flags; \
1039 int __mask; \
1040 local_irq_save(__flags); \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001041 __mask = SMC_inw(ioaddr, INT_REG(lp)) & ~0xff; \
1042 SMC_outw(__mask | (x), ioaddr, INT_REG(lp)); \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001043 local_irq_restore(__flags); \
1044 } \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001045 } while (0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001046
Magnus Dammcfdfa862008-02-22 19:55:05 +09001047#define SMC_GET_INT_MASK(lp) \
Magnus Damm3e947942008-02-22 19:55:15 +09001048 (SMC_8BIT(lp) ? (SMC_inb(ioaddr, IM_REG(lp))) \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001049 : (SMC_inw(ioaddr, INT_REG(lp)) >> 8))
Nicolas Pitre09779c62006-03-20 11:54:27 -05001050
Magnus Dammcfdfa862008-02-22 19:55:05 +09001051#define SMC_SET_INT_MASK(lp, x) \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001052 do { \
Magnus Damm3e947942008-02-22 19:55:15 +09001053 if (SMC_8BIT(lp)) \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001054 SMC_outb(x, ioaddr, IM_REG(lp)); \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001055 else \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001056 SMC_outw((x) << 8, ioaddr, INT_REG(lp)); \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001057 } while (0)
1058
Magnus Dammcfdfa862008-02-22 19:55:05 +09001059#define SMC_CURRENT_BANK(lp) SMC_inw(ioaddr, BANK_SELECT)
Nicolas Pitre09779c62006-03-20 11:54:27 -05001060
Magnus Dammcfdfa862008-02-22 19:55:05 +09001061#define SMC_SELECT_BANK(lp, x) \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001062 do { \
Magnus Damm3e947942008-02-22 19:55:15 +09001063 if (SMC_MUST_ALIGN_WRITE(lp)) \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001064 SMC_outl((x)<<16, ioaddr, 12<<SMC_IO_SHIFT); \
1065 else \
1066 SMC_outw(x, ioaddr, BANK_SELECT); \
1067 } while (0)
1068
Magnus Dammcfdfa862008-02-22 19:55:05 +09001069#define SMC_GET_BASE(lp) SMC_inw(ioaddr, BASE_REG(lp))
Nicolas Pitre09779c62006-03-20 11:54:27 -05001070
Magnus Dammcfdfa862008-02-22 19:55:05 +09001071#define SMC_SET_BASE(lp, x) SMC_outw(x, ioaddr, BASE_REG(lp))
Nicolas Pitre09779c62006-03-20 11:54:27 -05001072
Magnus Dammcfdfa862008-02-22 19:55:05 +09001073#define SMC_GET_CONFIG(lp) SMC_inw(ioaddr, CONFIG_REG(lp))
Nicolas Pitre09779c62006-03-20 11:54:27 -05001074
Magnus Dammcfdfa862008-02-22 19:55:05 +09001075#define SMC_SET_CONFIG(lp, x) SMC_outw(x, ioaddr, CONFIG_REG(lp))
Nicolas Pitre09779c62006-03-20 11:54:27 -05001076
Magnus Dammcfdfa862008-02-22 19:55:05 +09001077#define SMC_GET_COUNTER(lp) SMC_inw(ioaddr, COUNTER_REG(lp))
Nicolas Pitre09779c62006-03-20 11:54:27 -05001078
Magnus Dammcfdfa862008-02-22 19:55:05 +09001079#define SMC_GET_CTL(lp) SMC_inw(ioaddr, CTL_REG(lp))
Nicolas Pitre09779c62006-03-20 11:54:27 -05001080
Magnus Dammcfdfa862008-02-22 19:55:05 +09001081#define SMC_SET_CTL(lp, x) SMC_outw(x, ioaddr, CTL_REG(lp))
Nicolas Pitre09779c62006-03-20 11:54:27 -05001082
Magnus Dammcfdfa862008-02-22 19:55:05 +09001083#define SMC_GET_MII(lp) SMC_inw(ioaddr, MII_REG(lp))
Nicolas Pitre09779c62006-03-20 11:54:27 -05001084
Vernon Sauder357fe2c2009-01-16 13:23:19 +00001085#define SMC_GET_GP(lp) SMC_inw(ioaddr, GP_REG(lp))
1086
1087#define SMC_SET_GP(lp, x) \
1088 do { \
1089 if (SMC_MUST_ALIGN_WRITE(lp)) \
1090 SMC_outl((x)<<16, ioaddr, SMC_REG(lp, 8, 1)); \
1091 else \
1092 SMC_outw(x, ioaddr, GP_REG(lp)); \
1093 } while (0)
1094
Magnus Dammcfdfa862008-02-22 19:55:05 +09001095#define SMC_SET_MII(lp, x) SMC_outw(x, ioaddr, MII_REG(lp))
Nicolas Pitre09779c62006-03-20 11:54:27 -05001096
Magnus Dammcfdfa862008-02-22 19:55:05 +09001097#define SMC_GET_MIR(lp) SMC_inw(ioaddr, MIR_REG(lp))
Nicolas Pitre09779c62006-03-20 11:54:27 -05001098
Magnus Dammcfdfa862008-02-22 19:55:05 +09001099#define SMC_SET_MIR(lp, x) SMC_outw(x, ioaddr, MIR_REG(lp))
Nicolas Pitre09779c62006-03-20 11:54:27 -05001100
Magnus Dammcfdfa862008-02-22 19:55:05 +09001101#define SMC_GET_MMU_CMD(lp) SMC_inw(ioaddr, MMU_CMD_REG(lp))
Nicolas Pitre09779c62006-03-20 11:54:27 -05001102
Magnus Dammcfdfa862008-02-22 19:55:05 +09001103#define SMC_SET_MMU_CMD(lp, x) SMC_outw(x, ioaddr, MMU_CMD_REG(lp))
Nicolas Pitre09779c62006-03-20 11:54:27 -05001104
Magnus Dammcfdfa862008-02-22 19:55:05 +09001105#define SMC_GET_FIFO(lp) SMC_inw(ioaddr, FIFO_REG(lp))
Nicolas Pitre09779c62006-03-20 11:54:27 -05001106
Magnus Dammcfdfa862008-02-22 19:55:05 +09001107#define SMC_GET_PTR(lp) SMC_inw(ioaddr, PTR_REG(lp))
Nicolas Pitre09779c62006-03-20 11:54:27 -05001108
Magnus Dammcfdfa862008-02-22 19:55:05 +09001109#define SMC_SET_PTR(lp, x) \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001110 do { \
Magnus Damm3e947942008-02-22 19:55:15 +09001111 if (SMC_MUST_ALIGN_WRITE(lp)) \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001112 SMC_outl((x)<<16, ioaddr, SMC_REG(lp, 4, 2)); \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001113 else \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001114 SMC_outw(x, ioaddr, PTR_REG(lp)); \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001115 } while (0)
1116
Magnus Dammcfdfa862008-02-22 19:55:05 +09001117#define SMC_GET_EPH_STATUS(lp) SMC_inw(ioaddr, EPH_STATUS_REG(lp))
Nicolas Pitre09779c62006-03-20 11:54:27 -05001118
Magnus Dammcfdfa862008-02-22 19:55:05 +09001119#define SMC_GET_RCR(lp) SMC_inw(ioaddr, RCR_REG(lp))
Nicolas Pitre09779c62006-03-20 11:54:27 -05001120
Magnus Dammcfdfa862008-02-22 19:55:05 +09001121#define SMC_SET_RCR(lp, x) SMC_outw(x, ioaddr, RCR_REG(lp))
Nicolas Pitre09779c62006-03-20 11:54:27 -05001122
Magnus Dammcfdfa862008-02-22 19:55:05 +09001123#define SMC_GET_REV(lp) SMC_inw(ioaddr, REV_REG(lp))
Nicolas Pitre09779c62006-03-20 11:54:27 -05001124
Magnus Dammcfdfa862008-02-22 19:55:05 +09001125#define SMC_GET_RPC(lp) SMC_inw(ioaddr, RPC_REG(lp))
Nicolas Pitre09779c62006-03-20 11:54:27 -05001126
Magnus Dammcfdfa862008-02-22 19:55:05 +09001127#define SMC_SET_RPC(lp, x) \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001128 do { \
Magnus Damm3e947942008-02-22 19:55:15 +09001129 if (SMC_MUST_ALIGN_WRITE(lp)) \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001130 SMC_outl((x)<<16, ioaddr, SMC_REG(lp, 8, 0)); \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001131 else \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001132 SMC_outw(x, ioaddr, RPC_REG(lp)); \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001133 } while (0)
1134
Magnus Dammcfdfa862008-02-22 19:55:05 +09001135#define SMC_GET_TCR(lp) SMC_inw(ioaddr, TCR_REG(lp))
Nicolas Pitre09779c62006-03-20 11:54:27 -05001136
Magnus Dammcfdfa862008-02-22 19:55:05 +09001137#define SMC_SET_TCR(lp, x) SMC_outw(x, ioaddr, TCR_REG(lp))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001138
1139#ifndef SMC_GET_MAC_ADDR
Magnus Dammcfdfa862008-02-22 19:55:05 +09001140#define SMC_GET_MAC_ADDR(lp, addr) \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001141 do { \
1142 unsigned int __v; \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001143 __v = SMC_inw(ioaddr, ADDR0_REG(lp)); \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001144 addr[0] = __v; addr[1] = __v >> 8; \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001145 __v = SMC_inw(ioaddr, ADDR1_REG(lp)); \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001146 addr[2] = __v; addr[3] = __v >> 8; \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001147 __v = SMC_inw(ioaddr, ADDR2_REG(lp)); \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001148 addr[4] = __v; addr[5] = __v >> 8; \
1149 } while (0)
1150#endif
1151
Magnus Dammcfdfa862008-02-22 19:55:05 +09001152#define SMC_SET_MAC_ADDR(lp, addr) \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001153 do { \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001154 SMC_outw(addr[0]|(addr[1] << 8), ioaddr, ADDR0_REG(lp)); \
1155 SMC_outw(addr[2]|(addr[3] << 8), ioaddr, ADDR1_REG(lp)); \
1156 SMC_outw(addr[4]|(addr[5] << 8), ioaddr, ADDR2_REG(lp)); \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001157 } while (0)
1158
Magnus Dammcfdfa862008-02-22 19:55:05 +09001159#define SMC_SET_MCAST(lp, x) \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001160 do { \
1161 const unsigned char *mt = (x); \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001162 SMC_outw(mt[0] | (mt[1] << 8), ioaddr, MCAST_REG1(lp)); \
1163 SMC_outw(mt[2] | (mt[3] << 8), ioaddr, MCAST_REG2(lp)); \
1164 SMC_outw(mt[4] | (mt[5] << 8), ioaddr, MCAST_REG3(lp)); \
1165 SMC_outw(mt[6] | (mt[7] << 8), ioaddr, MCAST_REG4(lp)); \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001166 } while (0)
1167
Magnus Dammcfdfa862008-02-22 19:55:05 +09001168#define SMC_PUT_PKT_HDR(lp, status, length) \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001169 do { \
Magnus Damm3e947942008-02-22 19:55:15 +09001170 if (SMC_32BIT(lp)) \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001171 SMC_outl((status) | (length)<<16, ioaddr, \
1172 DATA_REG(lp)); \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001173 else { \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001174 SMC_outw(status, ioaddr, DATA_REG(lp)); \
1175 SMC_outw(length, ioaddr, DATA_REG(lp)); \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001176 } \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001177 } while (0)
Nicolas Pitre09779c62006-03-20 11:54:27 -05001178
Magnus Dammcfdfa862008-02-22 19:55:05 +09001179#define SMC_GET_PKT_HDR(lp, status, length) \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001180 do { \
Magnus Damm3e947942008-02-22 19:55:15 +09001181 if (SMC_32BIT(lp)) { \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001182 unsigned int __val = SMC_inl(ioaddr, DATA_REG(lp)); \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001183 (status) = __val & 0xffff; \
1184 (length) = __val >> 16; \
1185 } else { \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001186 (status) = SMC_inw(ioaddr, DATA_REG(lp)); \
1187 (length) = SMC_inw(ioaddr, DATA_REG(lp)); \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001188 } \
1189 } while (0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001190
Magnus Dammcfdfa862008-02-22 19:55:05 +09001191#define SMC_PUSH_DATA(lp, p, l) \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001192 do { \
Magnus Damm3e947942008-02-22 19:55:15 +09001193 if (SMC_32BIT(lp)) { \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001194 void *__ptr = (p); \
1195 int __len = (l); \
Al Virofbd81972006-05-30 23:58:25 -04001196 void __iomem *__ioaddr = ioaddr; \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001197 if (__len >= 2 && (unsigned long)__ptr & 2) { \
1198 __len -= 2; \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001199 SMC_outw(*(u16 *)__ptr, ioaddr, \
1200 DATA_REG(lp)); \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001201 __ptr += 2; \
1202 } \
1203 if (SMC_CAN_USE_DATACS && lp->datacs) \
1204 __ioaddr = lp->datacs; \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001205 SMC_outsl(__ioaddr, DATA_REG(lp), __ptr, __len>>2); \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001206 if (__len & 2) { \
1207 __ptr += (__len & ~3); \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001208 SMC_outw(*((u16 *)__ptr), ioaddr, \
1209 DATA_REG(lp)); \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001210 } \
Magnus Damm3e947942008-02-22 19:55:15 +09001211 } else if (SMC_16BIT(lp)) \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001212 SMC_outsw(ioaddr, DATA_REG(lp), p, (l) >> 1); \
Magnus Damm3e947942008-02-22 19:55:15 +09001213 else if (SMC_8BIT(lp)) \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001214 SMC_outsb(ioaddr, DATA_REG(lp), p, l); \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001215 } while (0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001216
Magnus Dammcfdfa862008-02-22 19:55:05 +09001217#define SMC_PULL_DATA(lp, p, l) \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001218 do { \
Magnus Damm3e947942008-02-22 19:55:15 +09001219 if (SMC_32BIT(lp)) { \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001220 void *__ptr = (p); \
1221 int __len = (l); \
Al Virofbd81972006-05-30 23:58:25 -04001222 void __iomem *__ioaddr = ioaddr; \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001223 if ((unsigned long)__ptr & 2) { \
1224 /* \
1225 * We want 32bit alignment here. \
1226 * Since some buses perform a full \
1227 * 32bit fetch even for 16bit data \
1228 * we can't use SMC_inw() here. \
1229 * Back both source (on-chip) and \
1230 * destination pointers of 2 bytes. \
1231 * This is possible since the call to \
1232 * SMC_GET_PKT_HDR() already advanced \
1233 * the source pointer of 4 bytes, and \
1234 * the skb_reserve(skb, 2) advanced \
1235 * the destination pointer of 2 bytes. \
1236 */ \
1237 __ptr -= 2; \
1238 __len += 2; \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001239 SMC_SET_PTR(lp, \
1240 2|PTR_READ|PTR_RCV|PTR_AUTOINC); \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001241 } \
1242 if (SMC_CAN_USE_DATACS && lp->datacs) \
1243 __ioaddr = lp->datacs; \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001244 __len += 2; \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001245 SMC_insl(__ioaddr, DATA_REG(lp), __ptr, __len>>2); \
Magnus Damm3e947942008-02-22 19:55:15 +09001246 } else if (SMC_16BIT(lp)) \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001247 SMC_insw(ioaddr, DATA_REG(lp), p, (l) >> 1); \
Magnus Damm3e947942008-02-22 19:55:15 +09001248 else if (SMC_8BIT(lp)) \
Magnus Dammcfdfa862008-02-22 19:55:05 +09001249 SMC_insb(ioaddr, DATA_REG(lp), p, l); \
Nicolas Pitre09779c62006-03-20 11:54:27 -05001250 } while (0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001251
1252#endif /* _SMC91X_H_ */