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-rw-r--r--drivers/net/au1000_eth.c1802
1 files changed, 452 insertions, 1350 deletions
diff --git a/drivers/net/au1000_eth.c b/drivers/net/au1000_eth.c
index 14dbad14afb6..038d5fcb15e6 100644
--- a/drivers/net/au1000_eth.c
+++ b/drivers/net/au1000_eth.c
@@ -2,13 +2,16 @@
2 * 2 *
3 * Alchemy Au1x00 ethernet driver 3 * Alchemy Au1x00 ethernet driver
4 * 4 *
5 * Copyright 2001,2002,2003 MontaVista Software Inc. 5 * Copyright 2001-2003, 2006 MontaVista Software Inc.
6 * Copyright 2002 TimeSys Corp. 6 * Copyright 2002 TimeSys Corp.
7 * Added ethtool/mii-tool support, 7 * Added ethtool/mii-tool support,
8 * Copyright 2004 Matt Porter <mporter@kernel.crashing.org> 8 * Copyright 2004 Matt Porter <mporter@kernel.crashing.org>
9 * Update: 2004 Bjoern Riemer, riemer@fokus.fraunhofer.de 9 * Update: 2004 Bjoern Riemer, riemer@fokus.fraunhofer.de
10 * or riemer@riemer-nt.de: fixed the link beat detection with 10 * or riemer@riemer-nt.de: fixed the link beat detection with
11 * ioctls (SIOCGMIIPHY) 11 * ioctls (SIOCGMIIPHY)
12 * Copyright 2006 Herbert Valerio Riedel <hvr@gnu.org>
13 * converted to use linux-2.6.x's PHY framework
14 *
12 * Author: MontaVista Software, Inc. 15 * Author: MontaVista Software, Inc.
13 * ppopov@mvista.com or source@mvista.com 16 * ppopov@mvista.com or source@mvista.com
14 * 17 *
@@ -53,6 +56,7 @@
53#include <linux/skbuff.h> 56#include <linux/skbuff.h>
54#include <linux/delay.h> 57#include <linux/delay.h>
55#include <linux/crc32.h> 58#include <linux/crc32.h>
59#include <linux/phy.h>
56#include <asm/mipsregs.h> 60#include <asm/mipsregs.h>
57#include <asm/irq.h> 61#include <asm/irq.h>
58#include <asm/io.h> 62#include <asm/io.h>
@@ -68,7 +72,7 @@ static int au1000_debug = 5;
68static int au1000_debug = 3; 72static int au1000_debug = 3;
69#endif 73#endif
70 74
71#define DRV_NAME "au1000eth" 75#define DRV_NAME "au1000_eth"
72#define DRV_VERSION "1.5" 76#define DRV_VERSION "1.5"
73#define DRV_AUTHOR "Pete Popov <ppopov@embeddedalley.com>" 77#define DRV_AUTHOR "Pete Popov <ppopov@embeddedalley.com>"
74#define DRV_DESC "Au1xxx on-chip Ethernet driver" 78#define DRV_DESC "Au1xxx on-chip Ethernet driver"
@@ -80,7 +84,7 @@ MODULE_LICENSE("GPL");
80// prototypes 84// prototypes
81static void hard_stop(struct net_device *); 85static void hard_stop(struct net_device *);
82static void enable_rx_tx(struct net_device *dev); 86static void enable_rx_tx(struct net_device *dev);
83static struct net_device * au1000_probe(u32 ioaddr, int irq, int port_num); 87static struct net_device * au1000_probe(int port_num);
84static int au1000_init(struct net_device *); 88static int au1000_init(struct net_device *);
85static int au1000_open(struct net_device *); 89static int au1000_open(struct net_device *);
86static int au1000_close(struct net_device *); 90static int au1000_close(struct net_device *);
@@ -88,17 +92,15 @@ static int au1000_tx(struct sk_buff *, struct net_device *);
88static int au1000_rx(struct net_device *); 92static int au1000_rx(struct net_device *);
89static irqreturn_t au1000_interrupt(int, void *, struct pt_regs *); 93static irqreturn_t au1000_interrupt(int, void *, struct pt_regs *);
90static void au1000_tx_timeout(struct net_device *); 94static void au1000_tx_timeout(struct net_device *);
91static int au1000_set_config(struct net_device *dev, struct ifmap *map);
92static void set_rx_mode(struct net_device *); 95static void set_rx_mode(struct net_device *);
93static struct net_device_stats *au1000_get_stats(struct net_device *); 96static struct net_device_stats *au1000_get_stats(struct net_device *);
94static void au1000_timer(unsigned long);
95static int au1000_ioctl(struct net_device *, struct ifreq *, int); 97static int au1000_ioctl(struct net_device *, struct ifreq *, int);
96static int mdio_read(struct net_device *, int, int); 98static int mdio_read(struct net_device *, int, int);
97static void mdio_write(struct net_device *, int, int, u16); 99static void mdio_write(struct net_device *, int, int, u16);
98static void dump_mii(struct net_device *dev, int phy_id); 100static void au1000_adjust_link(struct net_device *);
101static void enable_mac(struct net_device *, int);
99 102
100// externs 103// externs
101extern void ack_rise_edge_irq(unsigned int);
102extern int get_ethernet_addr(char *ethernet_addr); 104extern int get_ethernet_addr(char *ethernet_addr);
103extern void str2eaddr(unsigned char *ea, unsigned char *str); 105extern void str2eaddr(unsigned char *ea, unsigned char *str);
104extern char * __init prom_getcmdline(void); 106extern char * __init prom_getcmdline(void);
@@ -126,705 +128,83 @@ static unsigned char au1000_mac_addr[6] __devinitdata = {
126 0x00, 0x50, 0xc2, 0x0c, 0x30, 0x00 128 0x00, 0x50, 0xc2, 0x0c, 0x30, 0x00
127}; 129};
128 130
129#define nibswap(x) ((((x) >> 4) & 0x0f) | (((x) << 4) & 0xf0))
130#define RUN_AT(x) (jiffies + (x))
131
132// For reading/writing 32-bit words from/to DMA memory
133#define cpu_to_dma32 cpu_to_be32
134#define dma32_to_cpu be32_to_cpu
135
136struct au1000_private *au_macs[NUM_ETH_INTERFACES]; 131struct au1000_private *au_macs[NUM_ETH_INTERFACES];
137 132
138/* FIXME 133/*
139 * All of the PHY code really should be detached from the MAC 134 * board-specific configurations
140 * code. 135 *
136 * PHY detection algorithm
137 *
138 * If AU1XXX_PHY_STATIC_CONFIG is undefined, the PHY setup is
139 * autodetected:
140 *
141 * mii_probe() first searches the current MAC's MII bus for a PHY,
142 * selecting the first (or last, if AU1XXX_PHY_SEARCH_HIGHEST_ADDR is
143 * defined) PHY address not already claimed by another netdev.
144 *
145 * If nothing was found that way when searching for the 2nd ethernet
146 * controller's PHY and AU1XXX_PHY1_SEARCH_ON_MAC0 is defined, then
147 * the first MII bus is searched as well for an unclaimed PHY; this is
148 * needed in case of a dual-PHY accessible only through the MAC0's MII
149 * bus.
150 *
151 * Finally, if no PHY is found, then the corresponding ethernet
152 * controller is not registered to the network subsystem.
141 */ 153 */
142 154
143/* Default advertise */ 155/* autodetection defaults */
144#define GENMII_DEFAULT_ADVERTISE \ 156#undef AU1XXX_PHY_SEARCH_HIGHEST_ADDR
145 ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \ 157#define AU1XXX_PHY1_SEARCH_ON_MAC0
146 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
147 ADVERTISED_Autoneg
148
149#define GENMII_DEFAULT_FEATURES \
150 SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | \
151 SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | \
152 SUPPORTED_Autoneg
153
154int bcm_5201_init(struct net_device *dev, int phy_addr)
155{
156 s16 data;
157
158 /* Stop auto-negotiation */
159 data = mdio_read(dev, phy_addr, MII_CONTROL);
160 mdio_write(dev, phy_addr, MII_CONTROL, data & ~MII_CNTL_AUTO);
161
162 /* Set advertisement to 10/100 and Half/Full duplex
163 * (full capabilities) */
164 data = mdio_read(dev, phy_addr, MII_ANADV);
165 data |= MII_NWAY_TX | MII_NWAY_TX_FDX | MII_NWAY_T_FDX | MII_NWAY_T;
166 mdio_write(dev, phy_addr, MII_ANADV, data);
167
168 /* Restart auto-negotiation */
169 data = mdio_read(dev, phy_addr, MII_CONTROL);
170 data |= MII_CNTL_RST_AUTO | MII_CNTL_AUTO;
171 mdio_write(dev, phy_addr, MII_CONTROL, data);
172
173 if (au1000_debug > 4)
174 dump_mii(dev, phy_addr);
175 return 0;
176}
177
178int bcm_5201_reset(struct net_device *dev, int phy_addr)
179{
180 s16 mii_control, timeout;
181
182 mii_control = mdio_read(dev, phy_addr, MII_CONTROL);
183 mdio_write(dev, phy_addr, MII_CONTROL, mii_control | MII_CNTL_RESET);
184 mdelay(1);
185 for (timeout = 100; timeout > 0; --timeout) {
186 mii_control = mdio_read(dev, phy_addr, MII_CONTROL);
187 if ((mii_control & MII_CNTL_RESET) == 0)
188 break;
189 mdelay(1);
190 }
191 if (mii_control & MII_CNTL_RESET) {
192 printk(KERN_ERR "%s PHY reset timeout !\n", dev->name);
193 return -1;
194 }
195 return 0;
196}
197
198int
199bcm_5201_status(struct net_device *dev, int phy_addr, u16 *link, u16 *speed)
200{
201 u16 mii_data;
202 struct au1000_private *aup;
203
204 if (!dev) {
205 printk(KERN_ERR "bcm_5201_status error: NULL dev\n");
206 return -1;
207 }
208 aup = (struct au1000_private *) dev->priv;
209
210 mii_data = mdio_read(dev, aup->phy_addr, MII_STATUS);
211 if (mii_data & MII_STAT_LINK) {
212 *link = 1;
213 mii_data = mdio_read(dev, aup->phy_addr, MII_AUX_CNTRL);
214 if (mii_data & MII_AUX_100) {
215 if (mii_data & MII_AUX_FDX) {
216 *speed = IF_PORT_100BASEFX;
217 dev->if_port = IF_PORT_100BASEFX;
218 }
219 else {
220 *speed = IF_PORT_100BASETX;
221 dev->if_port = IF_PORT_100BASETX;
222 }
223 }
224 else {
225 *speed = IF_PORT_10BASET;
226 dev->if_port = IF_PORT_10BASET;
227 }
228
229 }
230 else {
231 *link = 0;
232 *speed = 0;
233 dev->if_port = IF_PORT_UNKNOWN;
234 }
235 return 0;
236}
237
238int lsi_80227_init(struct net_device *dev, int phy_addr)
239{
240 if (au1000_debug > 4)
241 printk("lsi_80227_init\n");
242
243 /* restart auto-negotiation */
244 mdio_write(dev, phy_addr, MII_CONTROL,
245 MII_CNTL_F100 | MII_CNTL_AUTO | MII_CNTL_RST_AUTO); // | MII_CNTL_FDX);
246 mdelay(1);
247
248 /* set up LEDs to correct display */
249#ifdef CONFIG_MIPS_MTX1
250 mdio_write(dev, phy_addr, 17, 0xff80);
251#else
252 mdio_write(dev, phy_addr, 17, 0xffc0);
253#endif
254
255 if (au1000_debug > 4)
256 dump_mii(dev, phy_addr);
257 return 0;
258}
259
260int lsi_80227_reset(struct net_device *dev, int phy_addr)
261{
262 s16 mii_control, timeout;
263
264 if (au1000_debug > 4) {
265 printk("lsi_80227_reset\n");
266 dump_mii(dev, phy_addr);
267 }
268
269 mii_control = mdio_read(dev, phy_addr, MII_CONTROL);
270 mdio_write(dev, phy_addr, MII_CONTROL, mii_control | MII_CNTL_RESET);
271 mdelay(1);
272 for (timeout = 100; timeout > 0; --timeout) {
273 mii_control = mdio_read(dev, phy_addr, MII_CONTROL);
274 if ((mii_control & MII_CNTL_RESET) == 0)
275 break;
276 mdelay(1);
277 }
278 if (mii_control & MII_CNTL_RESET) {
279 printk(KERN_ERR "%s PHY reset timeout !\n", dev->name);
280 return -1;
281 }
282 return 0;
283}
284
285int
286lsi_80227_status(struct net_device *dev, int phy_addr, u16 *link, u16 *speed)
287{
288 u16 mii_data;
289 struct au1000_private *aup;
290
291 if (!dev) {
292 printk(KERN_ERR "lsi_80227_status error: NULL dev\n");
293 return -1;
294 }
295 aup = (struct au1000_private *) dev->priv;
296
297 mii_data = mdio_read(dev, aup->phy_addr, MII_STATUS);
298 if (mii_data & MII_STAT_LINK) {
299 *link = 1;
300 mii_data = mdio_read(dev, aup->phy_addr, MII_LSI_PHY_STAT);
301 if (mii_data & MII_LSI_PHY_STAT_SPD) {
302 if (mii_data & MII_LSI_PHY_STAT_FDX) {
303 *speed = IF_PORT_100BASEFX;
304 dev->if_port = IF_PORT_100BASEFX;
305 }
306 else {
307 *speed = IF_PORT_100BASETX;
308 dev->if_port = IF_PORT_100BASETX;
309 }
310 }
311 else {
312 *speed = IF_PORT_10BASET;
313 dev->if_port = IF_PORT_10BASET;
314 }
315
316 }
317 else {
318 *link = 0;
319 *speed = 0;
320 dev->if_port = IF_PORT_UNKNOWN;
321 }
322 return 0;
323}
324
325int am79c901_init(struct net_device *dev, int phy_addr)
326{
327 printk("am79c901_init\n");
328 return 0;
329}
330
331int am79c901_reset(struct net_device *dev, int phy_addr)
332{
333 printk("am79c901_reset\n");
334 return 0;
335}
336
337int
338am79c901_status(struct net_device *dev, int phy_addr, u16 *link, u16 *speed)
339{
340 return 0;
341}
342
343int am79c874_init(struct net_device *dev, int phy_addr)
344{
345 s16 data;
346
347 /* 79c874 has quit resembled bit assignments to BCM5201 */
348 if (au1000_debug > 4)
349 printk("am79c847_init\n");
350
351 /* Stop auto-negotiation */
352 data = mdio_read(dev, phy_addr, MII_CONTROL);
353 mdio_write(dev, phy_addr, MII_CONTROL, data & ~MII_CNTL_AUTO);
354
355 /* Set advertisement to 10/100 and Half/Full duplex
356 * (full capabilities) */
357 data = mdio_read(dev, phy_addr, MII_ANADV);
358 data |= MII_NWAY_TX | MII_NWAY_TX_FDX | MII_NWAY_T_FDX | MII_NWAY_T;
359 mdio_write(dev, phy_addr, MII_ANADV, data);
360
361 /* Restart auto-negotiation */
362 data = mdio_read(dev, phy_addr, MII_CONTROL);
363 data |= MII_CNTL_RST_AUTO | MII_CNTL_AUTO;
364
365 mdio_write(dev, phy_addr, MII_CONTROL, data);
366
367 if (au1000_debug > 4) dump_mii(dev, phy_addr);
368 return 0;
369}
370
371int am79c874_reset(struct net_device *dev, int phy_addr)
372{
373 s16 mii_control, timeout;
374
375 if (au1000_debug > 4)
376 printk("am79c874_reset\n");
377
378 mii_control = mdio_read(dev, phy_addr, MII_CONTROL);
379 mdio_write(dev, phy_addr, MII_CONTROL, mii_control | MII_CNTL_RESET);
380 mdelay(1);
381 for (timeout = 100; timeout > 0; --timeout) {
382 mii_control = mdio_read(dev, phy_addr, MII_CONTROL);
383 if ((mii_control & MII_CNTL_RESET) == 0)
384 break;
385 mdelay(1);
386 }
387 if (mii_control & MII_CNTL_RESET) {
388 printk(KERN_ERR "%s PHY reset timeout !\n", dev->name);
389 return -1;
390 }
391 return 0;
392}
393
394int
395am79c874_status(struct net_device *dev, int phy_addr, u16 *link, u16 *speed)
396{
397 u16 mii_data;
398 struct au1000_private *aup;
399
400 // printk("am79c874_status\n");
401 if (!dev) {
402 printk(KERN_ERR "am79c874_status error: NULL dev\n");
403 return -1;
404 }
405
406 aup = (struct au1000_private *) dev->priv;
407 mii_data = mdio_read(dev, aup->phy_addr, MII_STATUS);
408
409 if (mii_data & MII_STAT_LINK) {
410 *link = 1;
411 mii_data = mdio_read(dev, aup->phy_addr, MII_AMD_PHY_STAT);
412 if (mii_data & MII_AMD_PHY_STAT_SPD) {
413 if (mii_data & MII_AMD_PHY_STAT_FDX) {
414 *speed = IF_PORT_100BASEFX;
415 dev->if_port = IF_PORT_100BASEFX;
416 }
417 else {
418 *speed = IF_PORT_100BASETX;
419 dev->if_port = IF_PORT_100BASETX;
420 }
421 }
422 else {
423 *speed = IF_PORT_10BASET;
424 dev->if_port = IF_PORT_10BASET;
425 }
426
427 }
428 else {
429 *link = 0;
430 *speed = 0;
431 dev->if_port = IF_PORT_UNKNOWN;
432 }
433 return 0;
434}
435
436int lxt971a_init(struct net_device *dev, int phy_addr)
437{
438 if (au1000_debug > 4)
439 printk("lxt971a_init\n");
440
441 /* restart auto-negotiation */
442 mdio_write(dev, phy_addr, MII_CONTROL,
443 MII_CNTL_F100 | MII_CNTL_AUTO | MII_CNTL_RST_AUTO | MII_CNTL_FDX);
444
445 /* set up LEDs to correct display */
446 mdio_write(dev, phy_addr, 20, 0x0422);
447
448 if (au1000_debug > 4)
449 dump_mii(dev, phy_addr);
450 return 0;
451}
452
453int lxt971a_reset(struct net_device *dev, int phy_addr)
454{
455 s16 mii_control, timeout;
456
457 if (au1000_debug > 4) {
458 printk("lxt971a_reset\n");
459 dump_mii(dev, phy_addr);
460 }
461
462 mii_control = mdio_read(dev, phy_addr, MII_CONTROL);
463 mdio_write(dev, phy_addr, MII_CONTROL, mii_control | MII_CNTL_RESET);
464 mdelay(1);
465 for (timeout = 100; timeout > 0; --timeout) {
466 mii_control = mdio_read(dev, phy_addr, MII_CONTROL);
467 if ((mii_control & MII_CNTL_RESET) == 0)
468 break;
469 mdelay(1);
470 }
471 if (mii_control & MII_CNTL_RESET) {
472 printk(KERN_ERR "%s PHY reset timeout !\n", dev->name);
473 return -1;
474 }
475 return 0;
476}
477
478int
479lxt971a_status(struct net_device *dev, int phy_addr, u16 *link, u16 *speed)
480{
481 u16 mii_data;
482 struct au1000_private *aup;
483
484 if (!dev) {
485 printk(KERN_ERR "lxt971a_status error: NULL dev\n");
486 return -1;
487 }
488 aup = (struct au1000_private *) dev->priv;
489
490 mii_data = mdio_read(dev, aup->phy_addr, MII_STATUS);
491 if (mii_data & MII_STAT_LINK) {
492 *link = 1;
493 mii_data = mdio_read(dev, aup->phy_addr, MII_INTEL_PHY_STAT);
494 if (mii_data & MII_INTEL_PHY_STAT_SPD) {
495 if (mii_data & MII_INTEL_PHY_STAT_FDX) {
496 *speed = IF_PORT_100BASEFX;
497 dev->if_port = IF_PORT_100BASEFX;
498 }
499 else {
500 *speed = IF_PORT_100BASETX;
501 dev->if_port = IF_PORT_100BASETX;
502 }
503 }
504 else {
505 *speed = IF_PORT_10BASET;
506 dev->if_port = IF_PORT_10BASET;
507 }
508
509 }
510 else {
511 *link = 0;
512 *speed = 0;
513 dev->if_port = IF_PORT_UNKNOWN;
514 }
515 return 0;
516}
517
518int ks8995m_init(struct net_device *dev, int phy_addr)
519{
520 s16 data;
521
522// printk("ks8995m_init\n");
523 /* Stop auto-negotiation */
524 data = mdio_read(dev, phy_addr, MII_CONTROL);
525 mdio_write(dev, phy_addr, MII_CONTROL, data & ~MII_CNTL_AUTO);
526
527 /* Set advertisement to 10/100 and Half/Full duplex
528 * (full capabilities) */
529 data = mdio_read(dev, phy_addr, MII_ANADV);
530 data |= MII_NWAY_TX | MII_NWAY_TX_FDX | MII_NWAY_T_FDX | MII_NWAY_T;
531 mdio_write(dev, phy_addr, MII_ANADV, data);
532
533 /* Restart auto-negotiation */
534 data = mdio_read(dev, phy_addr, MII_CONTROL);
535 data |= MII_CNTL_RST_AUTO | MII_CNTL_AUTO;
536 mdio_write(dev, phy_addr, MII_CONTROL, data);
537
538 if (au1000_debug > 4) dump_mii(dev, phy_addr);
539
540 return 0;
541}
542
543int ks8995m_reset(struct net_device *dev, int phy_addr)
544{
545 s16 mii_control, timeout;
546
547// printk("ks8995m_reset\n");
548 mii_control = mdio_read(dev, phy_addr, MII_CONTROL);
549 mdio_write(dev, phy_addr, MII_CONTROL, mii_control | MII_CNTL_RESET);
550 mdelay(1);
551 for (timeout = 100; timeout > 0; --timeout) {
552 mii_control = mdio_read(dev, phy_addr, MII_CONTROL);
553 if ((mii_control & MII_CNTL_RESET) == 0)
554 break;
555 mdelay(1);
556 }
557 if (mii_control & MII_CNTL_RESET) {
558 printk(KERN_ERR "%s PHY reset timeout !\n", dev->name);
559 return -1;
560 }
561 return 0;
562}
563
564int ks8995m_status(struct net_device *dev, int phy_addr, u16 *link, u16 *speed)
565{
566 u16 mii_data;
567 struct au1000_private *aup;
568
569 if (!dev) {
570 printk(KERN_ERR "ks8995m_status error: NULL dev\n");
571 return -1;
572 }
573 aup = (struct au1000_private *) dev->priv;
574
575 mii_data = mdio_read(dev, aup->phy_addr, MII_STATUS);
576 if (mii_data & MII_STAT_LINK) {
577 *link = 1;
578 mii_data = mdio_read(dev, aup->phy_addr, MII_AUX_CNTRL);
579 if (mii_data & MII_AUX_100) {
580 if (mii_data & MII_AUX_FDX) {
581 *speed = IF_PORT_100BASEFX;
582 dev->if_port = IF_PORT_100BASEFX;
583 }
584 else {
585 *speed = IF_PORT_100BASETX;
586 dev->if_port = IF_PORT_100BASETX;
587 }
588 }
589 else {
590 *speed = IF_PORT_10BASET;
591 dev->if_port = IF_PORT_10BASET;
592 }
593
594 }
595 else {
596 *link = 0;
597 *speed = 0;
598 dev->if_port = IF_PORT_UNKNOWN;
599 }
600 return 0;
601}
602
603int
604smsc_83C185_init (struct net_device *dev, int phy_addr)
605{
606 s16 data;
607
608 if (au1000_debug > 4)
609 printk("smsc_83C185_init\n");
610
611 /* Stop auto-negotiation */
612 data = mdio_read(dev, phy_addr, MII_CONTROL);
613 mdio_write(dev, phy_addr, MII_CONTROL, data & ~MII_CNTL_AUTO);
614
615 /* Set advertisement to 10/100 and Half/Full duplex
616 * (full capabilities) */
617 data = mdio_read(dev, phy_addr, MII_ANADV);
618 data |= MII_NWAY_TX | MII_NWAY_TX_FDX | MII_NWAY_T_FDX | MII_NWAY_T;
619 mdio_write(dev, phy_addr, MII_ANADV, data);
620
621 /* Restart auto-negotiation */
622 data = mdio_read(dev, phy_addr, MII_CONTROL);
623 data |= MII_CNTL_RST_AUTO | MII_CNTL_AUTO;
624
625 mdio_write(dev, phy_addr, MII_CONTROL, data);
626
627 if (au1000_debug > 4) dump_mii(dev, phy_addr);
628 return 0;
629}
630
631int
632smsc_83C185_reset (struct net_device *dev, int phy_addr)
633{
634 s16 mii_control, timeout;
635
636 if (au1000_debug > 4)
637 printk("smsc_83C185_reset\n");
638
639 mii_control = mdio_read(dev, phy_addr, MII_CONTROL);
640 mdio_write(dev, phy_addr, MII_CONTROL, mii_control | MII_CNTL_RESET);
641 mdelay(1);
642 for (timeout = 100; timeout > 0; --timeout) {
643 mii_control = mdio_read(dev, phy_addr, MII_CONTROL);
644 if ((mii_control & MII_CNTL_RESET) == 0)
645 break;
646 mdelay(1);
647 }
648 if (mii_control & MII_CNTL_RESET) {
649 printk(KERN_ERR "%s PHY reset timeout !\n", dev->name);
650 return -1;
651 }
652 return 0;
653}
654
655int
656smsc_83C185_status (struct net_device *dev, int phy_addr, u16 *link, u16 *speed)
657{
658 u16 mii_data;
659 struct au1000_private *aup;
660
661 if (!dev) {
662 printk(KERN_ERR "smsc_83C185_status error: NULL dev\n");
663 return -1;
664 }
665
666 aup = (struct au1000_private *) dev->priv;
667 mii_data = mdio_read(dev, aup->phy_addr, MII_STATUS);
668
669 if (mii_data & MII_STAT_LINK) {
670 *link = 1;
671 mii_data = mdio_read(dev, aup->phy_addr, 0x1f);
672 if (mii_data & (1<<3)) {
673 if (mii_data & (1<<4)) {
674 *speed = IF_PORT_100BASEFX;
675 dev->if_port = IF_PORT_100BASEFX;
676 }
677 else {
678 *speed = IF_PORT_100BASETX;
679 dev->if_port = IF_PORT_100BASETX;
680 }
681 }
682 else {
683 *speed = IF_PORT_10BASET;
684 dev->if_port = IF_PORT_10BASET;
685 }
686 }
687 else {
688 *link = 0;
689 *speed = 0;
690 dev->if_port = IF_PORT_UNKNOWN;
691 }
692 return 0;
693}
694
695
696#ifdef CONFIG_MIPS_BOSPORUS
697int stub_init(struct net_device *dev, int phy_addr)
698{
699 //printk("PHY stub_init\n");
700 return 0;
701}
702
703int stub_reset(struct net_device *dev, int phy_addr)
704{
705 //printk("PHY stub_reset\n");
706 return 0;
707}
708
709int
710stub_status(struct net_device *dev, int phy_addr, u16 *link, u16 *speed)
711{
712 //printk("PHY stub_status\n");
713 *link = 1;
714 /* hmmm, revisit */
715 *speed = IF_PORT_100BASEFX;
716 dev->if_port = IF_PORT_100BASEFX;
717 return 0;
718}
719#endif
720
721struct phy_ops bcm_5201_ops = {
722 bcm_5201_init,
723 bcm_5201_reset,
724 bcm_5201_status,
725};
726
727struct phy_ops am79c874_ops = {
728 am79c874_init,
729 am79c874_reset,
730 am79c874_status,
731};
732
733struct phy_ops am79c901_ops = {
734 am79c901_init,
735 am79c901_reset,
736 am79c901_status,
737};
738
739struct phy_ops lsi_80227_ops = {
740 lsi_80227_init,
741 lsi_80227_reset,
742 lsi_80227_status,
743};
744 158
745struct phy_ops lxt971a_ops = { 159/* static PHY setup
746 lxt971a_init, 160 *
747 lxt971a_reset, 161 * most boards PHY setup should be detectable properly with the
748 lxt971a_status, 162 * autodetection algorithm in mii_probe(), but in some cases (e.g. if
749}; 163 * you have a switch attached, or want to use the PHY's interrupt
164 * notification capabilities) you can provide a static PHY
165 * configuration here
166 *
167 * IRQs may only be set, if a PHY address was configured
168 * If a PHY address is given, also a bus id is required to be set
169 *
170 * ps: make sure the used irqs are configured properly in the board
171 * specific irq-map
172 */
750 173
751struct phy_ops ks8995m_ops = { 174#if defined(CONFIG_MIPS_BOSPORUS)
752 ks8995m_init, 175/*
753 ks8995m_reset, 176 * Micrel/Kendin 5 port switch attached to MAC0,
754 ks8995m_status, 177 * MAC0 is associated with PHY address 5 (== WAN port)
755}; 178 * MAC1 is not associated with any PHY, since it's connected directly
179 * to the switch.
180 * no interrupts are used
181 */
182# define AU1XXX_PHY_STATIC_CONFIG
756 183
757struct phy_ops smsc_83C185_ops = { 184# define AU1XXX_PHY0_ADDR 5
758 smsc_83C185_init, 185# define AU1XXX_PHY0_BUSID 0
759 smsc_83C185_reset, 186# undef AU1XXX_PHY0_IRQ
760 smsc_83C185_status,
761};
762 187
763#ifdef CONFIG_MIPS_BOSPORUS 188# undef AU1XXX_PHY1_ADDR
764struct phy_ops stub_ops = { 189# undef AU1XXX_PHY1_BUSID
765 stub_init, 190# undef AU1XXX_PHY1_IRQ
766 stub_reset,
767 stub_status,
768};
769#endif 191#endif
770 192
771static struct mii_chip_info { 193#if defined(AU1XXX_PHY0_BUSID) && (AU1XXX_PHY0_BUSID > 0)
772 const char * name; 194# error MAC0-associated PHY attached 2nd MACs MII bus not supported yet
773 u16 phy_id0;
774 u16 phy_id1;
775 struct phy_ops *phy_ops;
776 int dual_phy;
777} mii_chip_table[] = {
778 {"Broadcom BCM5201 10/100 BaseT PHY",0x0040,0x6212, &bcm_5201_ops,0},
779 {"Broadcom BCM5221 10/100 BaseT PHY",0x0040,0x61e4, &bcm_5201_ops,0},
780 {"Broadcom BCM5222 10/100 BaseT PHY",0x0040,0x6322, &bcm_5201_ops,1},
781 {"NS DP83847 PHY", 0x2000, 0x5c30, &bcm_5201_ops ,0},
782 {"AMD 79C901 HomePNA PHY",0x0000,0x35c8, &am79c901_ops,0},
783 {"AMD 79C874 10/100 BaseT PHY",0x0022,0x561b, &am79c874_ops,0},
784 {"LSI 80227 10/100 BaseT PHY",0x0016,0xf840, &lsi_80227_ops,0},
785 {"Intel LXT971A Dual Speed PHY",0x0013,0x78e2, &lxt971a_ops,0},
786 {"Kendin KS8995M 10/100 BaseT PHY",0x0022,0x1450, &ks8995m_ops,0},
787 {"SMSC LAN83C185 10/100 BaseT PHY",0x0007,0xc0a3, &smsc_83C185_ops,0},
788#ifdef CONFIG_MIPS_BOSPORUS
789 {"Stub", 0x1234, 0x5678, &stub_ops },
790#endif 195#endif
791 {0,},
792};
793 196
794static int mdio_read(struct net_device *dev, int phy_id, int reg) 197/*
198 * MII operations
199 */
200static int mdio_read(struct net_device *dev, int phy_addr, int reg)
795{ 201{
796 struct au1000_private *aup = (struct au1000_private *) dev->priv; 202 struct au1000_private *aup = (struct au1000_private *) dev->priv;
797 volatile u32 *mii_control_reg; 203 volatile u32 *const mii_control_reg = &aup->mac->mii_control;
798 volatile u32 *mii_data_reg; 204 volatile u32 *const mii_data_reg = &aup->mac->mii_data;
799 u32 timedout = 20; 205 u32 timedout = 20;
800 u32 mii_control; 206 u32 mii_control;
801 207
802 #ifdef CONFIG_BCM5222_DUAL_PHY
803 /* First time we probe, it's for the mac0 phy.
804 * Since we haven't determined yet that we have a dual phy,
805 * aup->mii->mii_control_reg won't be setup and we'll
806 * default to the else statement.
807 * By the time we probe for the mac1 phy, the mii_control_reg
808 * will be setup to be the address of the mac0 phy control since
809 * both phys are controlled through mac0.
810 */
811 if (aup->mii && aup->mii->mii_control_reg) {
812 mii_control_reg = aup->mii->mii_control_reg;
813 mii_data_reg = aup->mii->mii_data_reg;
814 }
815 else if (au_macs[0]->mii && au_macs[0]->mii->mii_control_reg) {
816 /* assume both phys are controlled through mac0 */
817 mii_control_reg = au_macs[0]->mii->mii_control_reg;
818 mii_data_reg = au_macs[0]->mii->mii_data_reg;
819 }
820 else
821 #endif
822 {
823 /* default control and data reg addresses */
824 mii_control_reg = &aup->mac->mii_control;
825 mii_data_reg = &aup->mac->mii_data;
826 }
827
828 while (*mii_control_reg & MAC_MII_BUSY) { 208 while (*mii_control_reg & MAC_MII_BUSY) {
829 mdelay(1); 209 mdelay(1);
830 if (--timedout == 0) { 210 if (--timedout == 0) {
@@ -835,7 +215,7 @@ static int mdio_read(struct net_device *dev, int phy_id, int reg)
835 } 215 }
836 216
837 mii_control = MAC_SET_MII_SELECT_REG(reg) | 217 mii_control = MAC_SET_MII_SELECT_REG(reg) |
838 MAC_SET_MII_SELECT_PHY(phy_id) | MAC_MII_READ; 218 MAC_SET_MII_SELECT_PHY(phy_addr) | MAC_MII_READ;
839 219
840 *mii_control_reg = mii_control; 220 *mii_control_reg = mii_control;
841 221
@@ -851,32 +231,14 @@ static int mdio_read(struct net_device *dev, int phy_id, int reg)
851 return (int)*mii_data_reg; 231 return (int)*mii_data_reg;
852} 232}
853 233
854static void mdio_write(struct net_device *dev, int phy_id, int reg, u16 value) 234static void mdio_write(struct net_device *dev, int phy_addr, int reg, u16 value)
855{ 235{
856 struct au1000_private *aup = (struct au1000_private *) dev->priv; 236 struct au1000_private *aup = (struct au1000_private *) dev->priv;
857 volatile u32 *mii_control_reg; 237 volatile u32 *const mii_control_reg = &aup->mac->mii_control;
858 volatile u32 *mii_data_reg; 238 volatile u32 *const mii_data_reg = &aup->mac->mii_data;
859 u32 timedout = 20; 239 u32 timedout = 20;
860 u32 mii_control; 240 u32 mii_control;
861 241
862 #ifdef CONFIG_BCM5222_DUAL_PHY
863 if (aup->mii && aup->mii->mii_control_reg) {
864 mii_control_reg = aup->mii->mii_control_reg;
865 mii_data_reg = aup->mii->mii_data_reg;
866 }
867 else if (au_macs[0]->mii && au_macs[0]->mii->mii_control_reg) {
868 /* assume both phys are controlled through mac0 */
869 mii_control_reg = au_macs[0]->mii->mii_control_reg;
870 mii_data_reg = au_macs[0]->mii->mii_data_reg;
871 }
872 else
873 #endif
874 {
875 /* default control and data reg addresses */
876 mii_control_reg = &aup->mac->mii_control;
877 mii_data_reg = &aup->mac->mii_data;
878 }
879
880 while (*mii_control_reg & MAC_MII_BUSY) { 242 while (*mii_control_reg & MAC_MII_BUSY) {
881 mdelay(1); 243 mdelay(1);
882 if (--timedout == 0) { 244 if (--timedout == 0) {
@@ -887,165 +249,145 @@ static void mdio_write(struct net_device *dev, int phy_id, int reg, u16 value)
887 } 249 }
888 250
889 mii_control = MAC_SET_MII_SELECT_REG(reg) | 251 mii_control = MAC_SET_MII_SELECT_REG(reg) |
890 MAC_SET_MII_SELECT_PHY(phy_id) | MAC_MII_WRITE; 252 MAC_SET_MII_SELECT_PHY(phy_addr) | MAC_MII_WRITE;
891 253
892 *mii_data_reg = value; 254 *mii_data_reg = value;
893 *mii_control_reg = mii_control; 255 *mii_control_reg = mii_control;
894} 256}
895 257
258static int mdiobus_read(struct mii_bus *bus, int phy_addr, int regnum)
259{
260 /* WARNING: bus->phy_map[phy_addr].attached_dev == dev does
261 * _NOT_ hold (e.g. when PHY is accessed through other MAC's MII bus) */
262 struct net_device *const dev = bus->priv;
263
264 enable_mac(dev, 0); /* make sure the MAC associated with this
265 * mii_bus is enabled */
266 return mdio_read(dev, phy_addr, regnum);
267}
896 268
897static void dump_mii(struct net_device *dev, int phy_id) 269static int mdiobus_write(struct mii_bus *bus, int phy_addr, int regnum,
270 u16 value)
898{ 271{
899 int i, val; 272 struct net_device *const dev = bus->priv;
900 273
901 for (i = 0; i < 7; i++) { 274 enable_mac(dev, 0); /* make sure the MAC associated with this
902 if ((val = mdio_read(dev, phy_id, i)) >= 0) 275 * mii_bus is enabled */
903 printk("%s: MII Reg %d=%x\n", dev->name, i, val); 276 mdio_write(dev, phy_addr, regnum, value);
904 } 277 return 0;
905 for (i = 16; i < 25; i++) {
906 if ((val = mdio_read(dev, phy_id, i)) >= 0)
907 printk("%s: MII Reg %d=%x\n", dev->name, i, val);
908 }
909} 278}
910 279
911static int mii_probe (struct net_device * dev) 280static int mdiobus_reset(struct mii_bus *bus)
912{ 281{
913 struct au1000_private *aup = (struct au1000_private *) dev->priv; 282 struct net_device *const dev = bus->priv;
914 int phy_addr;
915#ifdef CONFIG_MIPS_BOSPORUS
916 int phy_found=0;
917#endif
918 283
919 /* search for total of 32 possible mii phy addresses */ 284 enable_mac(dev, 0); /* make sure the MAC associated with this
920 for (phy_addr = 0; phy_addr < 32; phy_addr++) { 285 * mii_bus is enabled */
921 u16 mii_status; 286 return 0;
922 u16 phy_id0, phy_id1; 287}
923 int i;
924 288
925 #ifdef CONFIG_BCM5222_DUAL_PHY 289static int mii_probe (struct net_device *dev)
926 /* Mask the already found phy, try next one */ 290{
927 if (au_macs[0]->mii && au_macs[0]->mii->mii_control_reg) { 291 struct au1000_private *const aup = (struct au1000_private *) dev->priv;
928 if (au_macs[0]->phy_addr == phy_addr) 292 struct phy_device *phydev = NULL;
929 continue; 293
930 } 294#if defined(AU1XXX_PHY_STATIC_CONFIG)
931 #endif 295 BUG_ON(aup->mac_id < 0 || aup->mac_id > 1);
932 296
933 mii_status = mdio_read(dev, phy_addr, MII_STATUS); 297 if(aup->mac_id == 0) { /* get PHY0 */
934 if (mii_status == 0xffff || mii_status == 0x0000) 298# if defined(AU1XXX_PHY0_ADDR)
935 /* the mii is not accessable, try next one */ 299 phydev = au_macs[AU1XXX_PHY0_BUSID]->mii_bus.phy_map[AU1XXX_PHY0_ADDR];
936 continue; 300# else
937 301 printk (KERN_INFO DRV_NAME ":%s: using PHY-less setup\n",
938 phy_id0 = mdio_read(dev, phy_addr, MII_PHY_ID0); 302 dev->name);
939 phy_id1 = mdio_read(dev, phy_addr, MII_PHY_ID1); 303 return 0;
940 304# endif /* defined(AU1XXX_PHY0_ADDR) */
941 /* search our mii table for the current mii */ 305 } else if (aup->mac_id == 1) { /* get PHY1 */
942 for (i = 0; mii_chip_table[i].phy_id1; i++) { 306# if defined(AU1XXX_PHY1_ADDR)
943 if (phy_id0 == mii_chip_table[i].phy_id0 && 307 phydev = au_macs[AU1XXX_PHY1_BUSID]->mii_bus.phy_map[AU1XXX_PHY1_ADDR];
944 phy_id1 == mii_chip_table[i].phy_id1) { 308# else
945 struct mii_phy * mii_phy = aup->mii; 309 printk (KERN_INFO DRV_NAME ":%s: using PHY-less setup\n",
946 310 dev->name);
947 printk(KERN_INFO "%s: %s at phy address %d\n", 311 return 0;
948 dev->name, mii_chip_table[i].name, 312# endif /* defined(AU1XXX_PHY1_ADDR) */
949 phy_addr); 313 }
950#ifdef CONFIG_MIPS_BOSPORUS 314
951 phy_found = 1; 315#else /* defined(AU1XXX_PHY_STATIC_CONFIG) */
952#endif 316 int phy_addr;
953 mii_phy->chip_info = mii_chip_table+i; 317
954 aup->phy_addr = phy_addr; 318 /* find the first (lowest address) PHY on the current MAC's MII bus */
955 aup->want_autoneg = 1; 319 for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++)
956 aup->phy_ops = mii_chip_table[i].phy_ops; 320 if (aup->mii_bus.phy_map[phy_addr]) {
957 aup->phy_ops->phy_init(dev,phy_addr); 321 phydev = aup->mii_bus.phy_map[phy_addr];
958 322# if !defined(AU1XXX_PHY_SEARCH_HIGHEST_ADDR)
959 // Check for dual-phy and then store required 323 break; /* break out with first one found */
960 // values and set indicators. We need to do 324# endif
961 // this now since mdio_{read,write} need the
962 // control and data register addresses.
963 #ifdef CONFIG_BCM5222_DUAL_PHY
964 if ( mii_chip_table[i].dual_phy) {
965
966 /* assume both phys are controlled
967 * through MAC0. Board specific? */
968
969 /* sanity check */
970 if (!au_macs[0] || !au_macs[0]->mii)
971 return -1;
972 aup->mii->mii_control_reg = (u32 *)
973 &au_macs[0]->mac->mii_control;
974 aup->mii->mii_data_reg = (u32 *)
975 &au_macs[0]->mac->mii_data;
976 }
977 #endif
978 goto found;
979 }
980 } 325 }
981 }
982found:
983
984#ifdef CONFIG_MIPS_BOSPORUS
985 /* This is a workaround for the Micrel/Kendin 5 port switch
986 The second MAC doesn't see a PHY connected... so we need to
987 trick it into thinking we have one.
988
989 If this kernel is run on another Au1500 development board
990 the stub will be found as well as the actual PHY. However,
991 the last found PHY will be used... usually at Addr 31 (Db1500).
992 */
993 if ( (!phy_found) )
994 {
995 u16 phy_id0, phy_id1;
996 int i;
997 326
998 phy_id0 = 0x1234; 327# if defined(AU1XXX_PHY1_SEARCH_ON_MAC0)
999 phy_id1 = 0x5678; 328 /* try harder to find a PHY */
1000 329 if (!phydev && (aup->mac_id == 1)) {
1001 /* search our mii table for the current mii */ 330 /* no PHY found, maybe we have a dual PHY? */
1002 for (i = 0; mii_chip_table[i].phy_id1; i++) { 331 printk (KERN_INFO DRV_NAME ": no PHY found on MAC1, "
1003 if (phy_id0 == mii_chip_table[i].phy_id0 && 332 "let's see if it's attached to MAC0...\n");
1004 phy_id1 == mii_chip_table[i].phy_id1) { 333
1005 struct mii_phy * mii_phy; 334 BUG_ON(!au_macs[0]);
1006 335
1007 printk(KERN_INFO "%s: %s at phy address %d\n", 336 /* find the first (lowest address) non-attached PHY on
1008 dev->name, mii_chip_table[i].name, 337 * the MAC0 MII bus */
1009 phy_addr); 338 for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) {
1010 mii_phy = kmalloc(sizeof(struct mii_phy), 339 struct phy_device *const tmp_phydev =
1011 GFP_KERNEL); 340 au_macs[0]->mii_bus.phy_map[phy_addr];
1012 if (mii_phy) { 341
1013 mii_phy->chip_info = mii_chip_table+i; 342 if (!tmp_phydev)
1014 aup->phy_addr = phy_addr; 343 continue; /* no PHY here... */
1015 mii_phy->next = aup->mii; 344
1016 aup->phy_ops = 345 if (tmp_phydev->attached_dev)
1017 mii_chip_table[i].phy_ops; 346 continue; /* already claimed by MAC0 */
1018 aup->mii = mii_phy; 347
1019 aup->phy_ops->phy_init(dev,phy_addr); 348 phydev = tmp_phydev;
1020 } else { 349 break; /* found it */
1021 printk(KERN_ERR "%s: out of memory\n",
1022 dev->name);
1023 return -1;
1024 }
1025 mii_phy->chip_info = mii_chip_table+i;
1026 aup->phy_addr = phy_addr;
1027 aup->phy_ops = mii_chip_table[i].phy_ops;
1028 aup->phy_ops->phy_init(dev,phy_addr);
1029 break;
1030 }
1031 } 350 }
1032 } 351 }
1033 if (aup->mac_id == 0) { 352# endif /* defined(AU1XXX_PHY1_SEARCH_OTHER_BUS) */
1034 /* the Bosporus phy responds to addresses 0-5 but
1035 * 5 is the correct one.
1036 */
1037 aup->phy_addr = 5;
1038 }
1039#endif
1040 353
1041 if (aup->mii->chip_info == NULL) { 354#endif /* defined(AU1XXX_PHY_STATIC_CONFIG) */
1042 printk(KERN_ERR "%s: Au1x No known MII transceivers found!\n", 355 if (!phydev) {
1043 dev->name); 356 printk (KERN_ERR DRV_NAME ":%s: no PHY found\n", dev->name);
1044 return -1; 357 return -1;
1045 } 358 }
1046 359
1047 printk(KERN_INFO "%s: Using %s as default\n", 360 /* now we are supposed to have a proper phydev, to attach to... */
1048 dev->name, aup->mii->chip_info->name); 361 BUG_ON(!phydev);
362 BUG_ON(phydev->attached_dev);
363
364 phydev = phy_connect(dev, phydev->dev.bus_id, &au1000_adjust_link, 0);
365
366 if (IS_ERR(phydev)) {
367 printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name);
368 return PTR_ERR(phydev);
369 }
370
371 /* mask with MAC supported features */
372 phydev->supported &= (SUPPORTED_10baseT_Half
373 | SUPPORTED_10baseT_Full
374 | SUPPORTED_100baseT_Half
375 | SUPPORTED_100baseT_Full
376 | SUPPORTED_Autoneg
377 /* | SUPPORTED_Pause | SUPPORTED_Asym_Pause */
378 | SUPPORTED_MII
379 | SUPPORTED_TP);
380
381 phydev->advertising = phydev->supported;
382
383 aup->old_link = 0;
384 aup->old_speed = 0;
385 aup->old_duplex = -1;
386 aup->phy_dev = phydev;
387
388 printk(KERN_INFO "%s: attached PHY driver [%s] "
389 "(mii_bus:phy_addr=%s, irq=%d)\n",
390 dev->name, phydev->drv->name, phydev->dev.bus_id, phydev->irq);
1049 391
1050 return 0; 392 return 0;
1051} 393}
@@ -1097,35 +439,38 @@ static void hard_stop(struct net_device *dev)
1097 au_sync_delay(10); 439 au_sync_delay(10);
1098} 440}
1099 441
1100 442static void enable_mac(struct net_device *dev, int force_reset)
1101static void reset_mac(struct net_device *dev)
1102{ 443{
1103 int i; 444 unsigned long flags;
1104 u32 flags;
1105 struct au1000_private *aup = (struct au1000_private *) dev->priv; 445 struct au1000_private *aup = (struct au1000_private *) dev->priv;
1106 446
1107 if (au1000_debug > 4)
1108 printk(KERN_INFO "%s: reset mac, aup %x\n",
1109 dev->name, (unsigned)aup);
1110
1111 spin_lock_irqsave(&aup->lock, flags); 447 spin_lock_irqsave(&aup->lock, flags);
1112 if (aup->timer.function == &au1000_timer) {/* check if timer initted */
1113 del_timer(&aup->timer);
1114 }
1115 448
1116 hard_stop(dev); 449 if(force_reset || (!aup->mac_enabled)) {
1117 #ifdef CONFIG_BCM5222_DUAL_PHY
1118 if (aup->mac_id != 0) {
1119 #endif
1120 /* If BCM5222, we can't leave MAC0 in reset because then
1121 * we can't access the dual phy for ETH1 */
1122 *aup->enable = MAC_EN_CLOCK_ENABLE; 450 *aup->enable = MAC_EN_CLOCK_ENABLE;
1123 au_sync_delay(2); 451 au_sync_delay(2);
1124 *aup->enable = 0; 452 *aup->enable = (MAC_EN_RESET0 | MAC_EN_RESET1 | MAC_EN_RESET2
453 | MAC_EN_CLOCK_ENABLE);
1125 au_sync_delay(2); 454 au_sync_delay(2);
1126 #ifdef CONFIG_BCM5222_DUAL_PHY 455
456 aup->mac_enabled = 1;
1127 } 457 }
1128 #endif 458
459 spin_unlock_irqrestore(&aup->lock, flags);
460}
461
462static void reset_mac_unlocked(struct net_device *dev)
463{
464 struct au1000_private *const aup = (struct au1000_private *) dev->priv;
465 int i;
466
467 hard_stop(dev);
468
469 *aup->enable = MAC_EN_CLOCK_ENABLE;
470 au_sync_delay(2);
471 *aup->enable = 0;
472 au_sync_delay(2);
473
1129 aup->tx_full = 0; 474 aup->tx_full = 0;
1130 for (i = 0; i < NUM_RX_DMA; i++) { 475 for (i = 0; i < NUM_RX_DMA; i++) {
1131 /* reset control bits */ 476 /* reset control bits */
@@ -1135,9 +480,26 @@ static void reset_mac(struct net_device *dev)
1135 /* reset control bits */ 480 /* reset control bits */
1136 aup->tx_dma_ring[i]->buff_stat &= ~0xf; 481 aup->tx_dma_ring[i]->buff_stat &= ~0xf;
1137 } 482 }
1138 spin_unlock_irqrestore(&aup->lock, flags); 483
484 aup->mac_enabled = 0;
485
1139} 486}
1140 487
488static void reset_mac(struct net_device *dev)
489{
490 struct au1000_private *const aup = (struct au1000_private *) dev->priv;
491 unsigned long flags;
492
493 if (au1000_debug > 4)
494 printk(KERN_INFO "%s: reset mac, aup %x\n",
495 dev->name, (unsigned)aup);
496
497 spin_lock_irqsave(&aup->lock, flags);
498
499 reset_mac_unlocked (dev);
500
501 spin_unlock_irqrestore(&aup->lock, flags);
502}
1141 503
1142/* 504/*
1143 * Setup the receive and transmit "rings". These pointers are the addresses 505 * Setup the receive and transmit "rings". These pointers are the addresses
@@ -1160,12 +522,27 @@ setup_hw_rings(struct au1000_private *aup, u32 rx_base, u32 tx_base)
1160} 522}
1161 523
1162static struct { 524static struct {
1163 int port;
1164 u32 base_addr; 525 u32 base_addr;
1165 u32 macen_addr; 526 u32 macen_addr;
1166 int irq; 527 int irq;
1167 struct net_device *dev; 528 struct net_device *dev;
1168} iflist[2]; 529} iflist[2] = {
530#ifdef CONFIG_SOC_AU1000
531 {AU1000_ETH0_BASE, AU1000_MAC0_ENABLE, AU1000_MAC0_DMA_INT},
532 {AU1000_ETH1_BASE, AU1000_MAC1_ENABLE, AU1000_MAC1_DMA_INT}
533#endif
534#ifdef CONFIG_SOC_AU1100
535 {AU1100_ETH0_BASE, AU1100_MAC0_ENABLE, AU1100_MAC0_DMA_INT}
536#endif
537#ifdef CONFIG_SOC_AU1500
538 {AU1500_ETH0_BASE, AU1500_MAC0_ENABLE, AU1500_MAC0_DMA_INT},
539 {AU1500_ETH1_BASE, AU1500_MAC1_ENABLE, AU1500_MAC1_DMA_INT}
540#endif
541#ifdef CONFIG_SOC_AU1550
542 {AU1550_ETH0_BASE, AU1550_MAC0_ENABLE, AU1550_MAC0_DMA_INT},
543 {AU1550_ETH1_BASE, AU1550_MAC1_ENABLE, AU1550_MAC1_DMA_INT}
544#endif
545};
1169 546
1170static int num_ifs; 547static int num_ifs;
1171 548
@@ -1176,58 +553,14 @@ static int num_ifs;
1176 */ 553 */
1177static int __init au1000_init_module(void) 554static int __init au1000_init_module(void)
1178{ 555{
1179 struct cpuinfo_mips *c = &current_cpu_data;
1180 int ni = (int)((au_readl(SYS_PINFUNC) & (u32)(SYS_PF_NI2)) >> 4); 556 int ni = (int)((au_readl(SYS_PINFUNC) & (u32)(SYS_PF_NI2)) >> 4);
1181 struct net_device *dev; 557 struct net_device *dev;
1182 int i, found_one = 0; 558 int i, found_one = 0;
1183 559
1184 switch (c->cputype) { 560 num_ifs = NUM_ETH_INTERFACES - ni;
1185#ifdef CONFIG_SOC_AU1000 561
1186 case CPU_AU1000:
1187 num_ifs = 2 - ni;
1188 iflist[0].base_addr = AU1000_ETH0_BASE;
1189 iflist[1].base_addr = AU1000_ETH1_BASE;
1190 iflist[0].macen_addr = AU1000_MAC0_ENABLE;
1191 iflist[1].macen_addr = AU1000_MAC1_ENABLE;
1192 iflist[0].irq = AU1000_MAC0_DMA_INT;
1193 iflist[1].irq = AU1000_MAC1_DMA_INT;
1194 break;
1195#endif
1196#ifdef CONFIG_SOC_AU1100
1197 case CPU_AU1100:
1198 num_ifs = 1 - ni;
1199 iflist[0].base_addr = AU1100_ETH0_BASE;
1200 iflist[0].macen_addr = AU1100_MAC0_ENABLE;
1201 iflist[0].irq = AU1100_MAC0_DMA_INT;
1202 break;
1203#endif
1204#ifdef CONFIG_SOC_AU1500
1205 case CPU_AU1500:
1206 num_ifs = 2 - ni;
1207 iflist[0].base_addr = AU1500_ETH0_BASE;
1208 iflist[1].base_addr = AU1500_ETH1_BASE;
1209 iflist[0].macen_addr = AU1500_MAC0_ENABLE;
1210 iflist[1].macen_addr = AU1500_MAC1_ENABLE;
1211 iflist[0].irq = AU1500_MAC0_DMA_INT;
1212 iflist[1].irq = AU1500_MAC1_DMA_INT;
1213 break;
1214#endif
1215#ifdef CONFIG_SOC_AU1550
1216 case CPU_AU1550:
1217 num_ifs = 2 - ni;
1218 iflist[0].base_addr = AU1550_ETH0_BASE;
1219 iflist[1].base_addr = AU1550_ETH1_BASE;
1220 iflist[0].macen_addr = AU1550_MAC0_ENABLE;
1221 iflist[1].macen_addr = AU1550_MAC1_ENABLE;
1222 iflist[0].irq = AU1550_MAC0_DMA_INT;
1223 iflist[1].irq = AU1550_MAC1_DMA_INT;
1224 break;
1225#endif
1226 default:
1227 num_ifs = 0;
1228 }
1229 for(i = 0; i < num_ifs; i++) { 562 for(i = 0; i < num_ifs; i++) {
1230 dev = au1000_probe(iflist[i].base_addr, iflist[i].irq, i); 563 dev = au1000_probe(i);
1231 iflist[i].dev = dev; 564 iflist[i].dev = dev;
1232 if (dev) 565 if (dev)
1233 found_one++; 566 found_one++;
@@ -1237,178 +570,31 @@ static int __init au1000_init_module(void)
1237 return 0; 570 return 0;
1238} 571}
1239 572
1240static int au1000_setup_aneg(struct net_device *dev, u32 advertise) 573/*
1241{ 574 * ethtool operations
1242 struct au1000_private *aup = (struct au1000_private *)dev->priv; 575 */
1243 u16 ctl, adv;
1244
1245 /* Setup standard advertise */
1246 adv = mdio_read(dev, aup->phy_addr, MII_ADVERTISE);
1247 adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4);
1248 if (advertise & ADVERTISED_10baseT_Half)
1249 adv |= ADVERTISE_10HALF;
1250 if (advertise & ADVERTISED_10baseT_Full)
1251 adv |= ADVERTISE_10FULL;
1252 if (advertise & ADVERTISED_100baseT_Half)
1253 adv |= ADVERTISE_100HALF;
1254 if (advertise & ADVERTISED_100baseT_Full)
1255 adv |= ADVERTISE_100FULL;
1256 mdio_write(dev, aup->phy_addr, MII_ADVERTISE, adv);
1257
1258 /* Start/Restart aneg */
1259 ctl = mdio_read(dev, aup->phy_addr, MII_BMCR);
1260 ctl |= (BMCR_ANENABLE | BMCR_ANRESTART);
1261 mdio_write(dev, aup->phy_addr, MII_BMCR, ctl);
1262
1263 return 0;
1264}
1265 576
1266static int au1000_setup_forced(struct net_device *dev, int speed, int fd) 577static int au1000_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1267{ 578{
1268 struct au1000_private *aup = (struct au1000_private *)dev->priv; 579 struct au1000_private *aup = (struct au1000_private *)dev->priv;
1269 u16 ctl;
1270
1271 ctl = mdio_read(dev, aup->phy_addr, MII_BMCR);
1272 ctl &= ~(BMCR_FULLDPLX | BMCR_SPEED100 | BMCR_ANENABLE);
1273
1274 /* First reset the PHY */
1275 mdio_write(dev, aup->phy_addr, MII_BMCR, ctl | BMCR_RESET);
1276
1277 /* Select speed & duplex */
1278 switch (speed) {
1279 case SPEED_10:
1280 break;
1281 case SPEED_100:
1282 ctl |= BMCR_SPEED100;
1283 break;
1284 case SPEED_1000:
1285 default:
1286 return -EINVAL;
1287 }
1288 if (fd == DUPLEX_FULL)
1289 ctl |= BMCR_FULLDPLX;
1290 mdio_write(dev, aup->phy_addr, MII_BMCR, ctl);
1291 580
1292 return 0; 581 if (aup->phy_dev)
1293} 582 return phy_ethtool_gset(aup->phy_dev, cmd);
1294 583
1295 584 return -EINVAL;
1296static void
1297au1000_start_link(struct net_device *dev, struct ethtool_cmd *cmd)
1298{
1299 struct au1000_private *aup = (struct au1000_private *)dev->priv;
1300 u32 advertise;
1301 int autoneg;
1302 int forced_speed;
1303 int forced_duplex;
1304
1305 /* Default advertise */
1306 advertise = GENMII_DEFAULT_ADVERTISE;
1307 autoneg = aup->want_autoneg;
1308 forced_speed = SPEED_100;
1309 forced_duplex = DUPLEX_FULL;
1310
1311 /* Setup link parameters */
1312 if (cmd) {
1313 if (cmd->autoneg == AUTONEG_ENABLE) {
1314 advertise = cmd->advertising;
1315 autoneg = 1;
1316 } else {
1317 autoneg = 0;
1318
1319 forced_speed = cmd->speed;
1320 forced_duplex = cmd->duplex;
1321 }
1322 }
1323
1324 /* Configure PHY & start aneg */
1325 aup->want_autoneg = autoneg;
1326 if (autoneg)
1327 au1000_setup_aneg(dev, advertise);
1328 else
1329 au1000_setup_forced(dev, forced_speed, forced_duplex);
1330 mod_timer(&aup->timer, jiffies + HZ);
1331} 585}
1332 586
1333static int au1000_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) 587static int au1000_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1334{ 588{
1335 struct au1000_private *aup = (struct au1000_private *)dev->priv; 589 struct au1000_private *aup = (struct au1000_private *)dev->priv;
1336 u16 link, speed;
1337
1338 cmd->supported = GENMII_DEFAULT_FEATURES;
1339 cmd->advertising = GENMII_DEFAULT_ADVERTISE;
1340 cmd->port = PORT_MII;
1341 cmd->transceiver = XCVR_EXTERNAL;
1342 cmd->phy_address = aup->phy_addr;
1343 spin_lock_irq(&aup->lock);
1344 cmd->autoneg = aup->want_autoneg;
1345 aup->phy_ops->phy_status(dev, aup->phy_addr, &link, &speed);
1346 if ((speed == IF_PORT_100BASETX) || (speed == IF_PORT_100BASEFX))
1347 cmd->speed = SPEED_100;
1348 else if (speed == IF_PORT_10BASET)
1349 cmd->speed = SPEED_10;
1350 if (link && (dev->if_port == IF_PORT_100BASEFX))
1351 cmd->duplex = DUPLEX_FULL;
1352 else
1353 cmd->duplex = DUPLEX_HALF;
1354 spin_unlock_irq(&aup->lock);
1355 return 0;
1356}
1357 590
1358static int au1000_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) 591 if (!capable(CAP_NET_ADMIN))
1359{ 592 return -EPERM;
1360 struct au1000_private *aup = (struct au1000_private *)dev->priv;
1361 unsigned long features = GENMII_DEFAULT_FEATURES;
1362
1363 if (!capable(CAP_NET_ADMIN))
1364 return -EPERM;
1365
1366 if (cmd->autoneg != AUTONEG_ENABLE && cmd->autoneg != AUTONEG_DISABLE)
1367 return -EINVAL;
1368 if (cmd->autoneg == AUTONEG_ENABLE && cmd->advertising == 0)
1369 return -EINVAL;
1370 if (cmd->duplex != DUPLEX_HALF && cmd->duplex != DUPLEX_FULL)
1371 return -EINVAL;
1372 if (cmd->autoneg == AUTONEG_DISABLE)
1373 switch (cmd->speed) {
1374 case SPEED_10:
1375 if (cmd->duplex == DUPLEX_HALF &&
1376 (features & SUPPORTED_10baseT_Half) == 0)
1377 return -EINVAL;
1378 if (cmd->duplex == DUPLEX_FULL &&
1379 (features & SUPPORTED_10baseT_Full) == 0)
1380 return -EINVAL;
1381 break;
1382 case SPEED_100:
1383 if (cmd->duplex == DUPLEX_HALF &&
1384 (features & SUPPORTED_100baseT_Half) == 0)
1385 return -EINVAL;
1386 if (cmd->duplex == DUPLEX_FULL &&
1387 (features & SUPPORTED_100baseT_Full) == 0)
1388 return -EINVAL;
1389 break;
1390 default:
1391 return -EINVAL;
1392 }
1393 else if ((features & SUPPORTED_Autoneg) == 0)
1394 return -EINVAL;
1395
1396 spin_lock_irq(&aup->lock);
1397 au1000_start_link(dev, cmd);
1398 spin_unlock_irq(&aup->lock);
1399 return 0;
1400}
1401 593
1402static int au1000_nway_reset(struct net_device *dev) 594 if (aup->phy_dev)
1403{ 595 return phy_ethtool_sset(aup->phy_dev, cmd);
1404 struct au1000_private *aup = (struct au1000_private *)dev->priv;
1405 596
1406 if (!aup->want_autoneg) 597 return -EINVAL;
1407 return -EINVAL;
1408 spin_lock_irq(&aup->lock);
1409 au1000_start_link(dev, NULL);
1410 spin_unlock_irq(&aup->lock);
1411 return 0;
1412} 598}
1413 599
1414static void 600static void
@@ -1423,21 +609,14 @@ au1000_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
1423 info->regdump_len = 0; 609 info->regdump_len = 0;
1424} 610}
1425 611
1426static u32 au1000_get_link(struct net_device *dev)
1427{
1428 return netif_carrier_ok(dev);
1429}
1430
1431static struct ethtool_ops au1000_ethtool_ops = { 612static struct ethtool_ops au1000_ethtool_ops = {
1432 .get_settings = au1000_get_settings, 613 .get_settings = au1000_get_settings,
1433 .set_settings = au1000_set_settings, 614 .set_settings = au1000_set_settings,
1434 .get_drvinfo = au1000_get_drvinfo, 615 .get_drvinfo = au1000_get_drvinfo,
1435 .nway_reset = au1000_nway_reset, 616 .get_link = ethtool_op_get_link,
1436 .get_link = au1000_get_link
1437}; 617};
1438 618
1439static struct net_device * 619static struct net_device * au1000_probe(int port_num)
1440au1000_probe(u32 ioaddr, int irq, int port_num)
1441{ 620{
1442 static unsigned version_printed = 0; 621 static unsigned version_printed = 0;
1443 struct au1000_private *aup = NULL; 622 struct au1000_private *aup = NULL;
@@ -1445,106 +624,115 @@ au1000_probe(u32 ioaddr, int irq, int port_num)
1445 db_dest_t *pDB, *pDBfree; 624 db_dest_t *pDB, *pDBfree;
1446 char *pmac, *argptr; 625 char *pmac, *argptr;
1447 char ethaddr[6]; 626 char ethaddr[6];
1448 int i, err; 627 int irq, i, err;
628 u32 base, macen;
629
630 if (port_num >= NUM_ETH_INTERFACES)
631 return NULL;
632
633 base = CPHYSADDR(iflist[port_num].base_addr );
634 macen = CPHYSADDR(iflist[port_num].macen_addr);
635 irq = iflist[port_num].irq;
1449 636
1450 if (!request_mem_region(CPHYSADDR(ioaddr), MAC_IOSIZE, "Au1x00 ENET")) 637 if (!request_mem_region( base, MAC_IOSIZE, "Au1x00 ENET") ||
638 !request_mem_region(macen, 4, "Au1x00 ENET"))
1451 return NULL; 639 return NULL;
1452 640
1453 if (version_printed++ == 0) 641 if (version_printed++ == 0)
1454 printk("%s version %s %s\n", DRV_NAME, DRV_VERSION, DRV_AUTHOR); 642 printk("%s version %s %s\n", DRV_NAME, DRV_VERSION, DRV_AUTHOR);
1455 643
1456 dev = alloc_etherdev(sizeof(struct au1000_private)); 644 dev = alloc_etherdev(sizeof(struct au1000_private));
1457 if (!dev) { 645 if (!dev) {
1458 printk (KERN_ERR "au1000 eth: alloc_etherdev failed\n"); 646 printk(KERN_ERR "%s: alloc_etherdev failed\n", DRV_NAME);
1459 return NULL; 647 return NULL;
1460 } 648 }
1461 649
1462 if ((err = register_netdev(dev))) { 650 if ((err = register_netdev(dev)) != 0) {
1463 printk(KERN_ERR "Au1x_eth Cannot register net device err %d\n", 651 printk(KERN_ERR "%s: Cannot register net device, error %d\n",
1464 err); 652 DRV_NAME, err);
1465 free_netdev(dev); 653 free_netdev(dev);
1466 return NULL; 654 return NULL;
1467 } 655 }
1468 656
1469 printk("%s: Au1x Ethernet found at 0x%x, irq %d\n", 657 printk("%s: Au1xx0 Ethernet found at 0x%x, irq %d\n",
1470 dev->name, ioaddr, irq); 658 dev->name, base, irq);
1471 659
1472 aup = dev->priv; 660 aup = dev->priv;
1473 661
1474 /* Allocate the data buffers */ 662 /* Allocate the data buffers */
1475 /* Snooping works fine with eth on all au1xxx */ 663 /* Snooping works fine with eth on all au1xxx */
1476 aup->vaddr = (u32)dma_alloc_noncoherent(NULL, 664 aup->vaddr = (u32)dma_alloc_noncoherent(NULL, MAX_BUF_SIZE *
1477 MAX_BUF_SIZE * (NUM_TX_BUFFS+NUM_RX_BUFFS), 665 (NUM_TX_BUFFS + NUM_RX_BUFFS),
1478 &aup->dma_addr, 666 &aup->dma_addr, 0);
1479 0);
1480 if (!aup->vaddr) { 667 if (!aup->vaddr) {
1481 free_netdev(dev); 668 free_netdev(dev);
1482 release_mem_region(CPHYSADDR(ioaddr), MAC_IOSIZE); 669 release_mem_region( base, MAC_IOSIZE);
670 release_mem_region(macen, 4);
1483 return NULL; 671 return NULL;
1484 } 672 }
1485 673
1486 /* aup->mac is the base address of the MAC's registers */ 674 /* aup->mac is the base address of the MAC's registers */
1487 aup->mac = (volatile mac_reg_t *)((unsigned long)ioaddr); 675 aup->mac = (volatile mac_reg_t *)iflist[port_num].base_addr;
676
1488 /* Setup some variables for quick register address access */ 677 /* Setup some variables for quick register address access */
1489 if (ioaddr == iflist[0].base_addr) 678 aup->enable = (volatile u32 *)iflist[port_num].macen_addr;
1490 { 679 aup->mac_id = port_num;
1491 /* check env variables first */ 680 au_macs[port_num] = aup;
1492 if (!get_ethernet_addr(ethaddr)) { 681
682 if (port_num == 0) {
683 /* Check the environment variables first */
684 if (get_ethernet_addr(ethaddr) == 0)
1493 memcpy(au1000_mac_addr, ethaddr, sizeof(au1000_mac_addr)); 685 memcpy(au1000_mac_addr, ethaddr, sizeof(au1000_mac_addr));
1494 } else { 686 else {
1495 /* Check command line */ 687 /* Check command line */
1496 argptr = prom_getcmdline(); 688 argptr = prom_getcmdline();
1497 if ((pmac = strstr(argptr, "ethaddr=")) == NULL) { 689 if ((pmac = strstr(argptr, "ethaddr=")) == NULL)
1498 printk(KERN_INFO "%s: No mac address found\n", 690 printk(KERN_INFO "%s: No MAC address found\n",
1499 dev->name); 691 dev->name);
1500 /* use the hard coded mac addresses */ 692 /* Use the hard coded MAC addresses */
1501 } else { 693 else {
1502 str2eaddr(ethaddr, pmac + strlen("ethaddr=")); 694 str2eaddr(ethaddr, pmac + strlen("ethaddr="));
1503 memcpy(au1000_mac_addr, ethaddr, 695 memcpy(au1000_mac_addr, ethaddr,
1504 sizeof(au1000_mac_addr)); 696 sizeof(au1000_mac_addr));
1505 } 697 }
1506 } 698 }
1507 aup->enable = (volatile u32 *) 699
1508 ((unsigned long)iflist[0].macen_addr);
1509 memcpy(dev->dev_addr, au1000_mac_addr, sizeof(au1000_mac_addr));
1510 setup_hw_rings(aup, MAC0_RX_DMA_ADDR, MAC0_TX_DMA_ADDR); 700 setup_hw_rings(aup, MAC0_RX_DMA_ADDR, MAC0_TX_DMA_ADDR);
1511 aup->mac_id = 0; 701 } else if (port_num == 1)
1512 au_macs[0] = aup;
1513 }
1514 else
1515 if (ioaddr == iflist[1].base_addr)
1516 {
1517 aup->enable = (volatile u32 *)
1518 ((unsigned long)iflist[1].macen_addr);
1519 memcpy(dev->dev_addr, au1000_mac_addr, sizeof(au1000_mac_addr));
1520 dev->dev_addr[4] += 0x10;
1521 setup_hw_rings(aup, MAC1_RX_DMA_ADDR, MAC1_TX_DMA_ADDR); 702 setup_hw_rings(aup, MAC1_RX_DMA_ADDR, MAC1_TX_DMA_ADDR);
1522 aup->mac_id = 1;
1523 au_macs[1] = aup;
1524 }
1525 else
1526 {
1527 printk(KERN_ERR "%s: bad ioaddr\n", dev->name);
1528 }
1529
1530 /* bring the device out of reset, otherwise probing the mii
1531 * will hang */
1532 *aup->enable = MAC_EN_CLOCK_ENABLE;
1533 au_sync_delay(2);
1534 *aup->enable = MAC_EN_RESET0 | MAC_EN_RESET1 |
1535 MAC_EN_RESET2 | MAC_EN_CLOCK_ENABLE;
1536 au_sync_delay(2);
1537 703
1538 aup->mii = kmalloc(sizeof(struct mii_phy), GFP_KERNEL); 704 /*
1539 if (!aup->mii) { 705 * Assign to the Ethernet ports two consecutive MAC addresses
1540 printk(KERN_ERR "%s: out of memory\n", dev->name); 706 * to match those that are printed on their stickers
1541 goto err_out; 707 */
1542 } 708 memcpy(dev->dev_addr, au1000_mac_addr, sizeof(au1000_mac_addr));
1543 aup->mii->next = NULL; 709 dev->dev_addr[5] += port_num;
1544 aup->mii->chip_info = NULL; 710
1545 aup->mii->status = 0; 711 *aup->enable = 0;
1546 aup->mii->mii_control_reg = 0; 712 aup->mac_enabled = 0;
1547 aup->mii->mii_data_reg = 0; 713
714 aup->mii_bus.priv = dev;
715 aup->mii_bus.read = mdiobus_read;
716 aup->mii_bus.write = mdiobus_write;
717 aup->mii_bus.reset = mdiobus_reset;
718 aup->mii_bus.name = "au1000_eth_mii";
719 aup->mii_bus.id = aup->mac_id;
720 aup->mii_bus.irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL);
721 for(i = 0; i < PHY_MAX_ADDR; ++i)
722 aup->mii_bus.irq[i] = PHY_POLL;
723
724 /* if known, set corresponding PHY IRQs */
725#if defined(AU1XXX_PHY_STATIC_CONFIG)
726# if defined(AU1XXX_PHY0_IRQ)
727 if (AU1XXX_PHY0_BUSID == aup->mii_bus.id)
728 aup->mii_bus.irq[AU1XXX_PHY0_ADDR] = AU1XXX_PHY0_IRQ;
729# endif
730# if defined(AU1XXX_PHY1_IRQ)
731 if (AU1XXX_PHY1_BUSID == aup->mii_bus.id)
732 aup->mii_bus.irq[AU1XXX_PHY1_ADDR] = AU1XXX_PHY1_IRQ;
733# endif
734#endif
735 mdiobus_register(&aup->mii_bus);
1548 736
1549 if (mii_probe(dev) != 0) { 737 if (mii_probe(dev) != 0) {
1550 goto err_out; 738 goto err_out;
@@ -1581,7 +769,7 @@ au1000_probe(u32 ioaddr, int irq, int port_num)
1581 } 769 }
1582 770
1583 spin_lock_init(&aup->lock); 771 spin_lock_init(&aup->lock);
1584 dev->base_addr = ioaddr; 772 dev->base_addr = base;
1585 dev->irq = irq; 773 dev->irq = irq;
1586 dev->open = au1000_open; 774 dev->open = au1000_open;
1587 dev->hard_start_xmit = au1000_tx; 775 dev->hard_start_xmit = au1000_tx;
@@ -1590,7 +778,6 @@ au1000_probe(u32 ioaddr, int irq, int port_num)
1590 dev->set_multicast_list = &set_rx_mode; 778 dev->set_multicast_list = &set_rx_mode;
1591 dev->do_ioctl = &au1000_ioctl; 779 dev->do_ioctl = &au1000_ioctl;
1592 SET_ETHTOOL_OPS(dev, &au1000_ethtool_ops); 780 SET_ETHTOOL_OPS(dev, &au1000_ethtool_ops);
1593 dev->set_config = &au1000_set_config;
1594 dev->tx_timeout = au1000_tx_timeout; 781 dev->tx_timeout = au1000_tx_timeout;
1595 dev->watchdog_timeo = ETH_TX_TIMEOUT; 782 dev->watchdog_timeo = ETH_TX_TIMEOUT;
1596 783
@@ -1606,7 +793,7 @@ err_out:
1606 /* here we should have a valid dev plus aup-> register addresses 793 /* here we should have a valid dev plus aup-> register addresses
1607 * so we can reset the mac properly.*/ 794 * so we can reset the mac properly.*/
1608 reset_mac(dev); 795 reset_mac(dev);
1609 kfree(aup->mii); 796
1610 for (i = 0; i < NUM_RX_DMA; i++) { 797 for (i = 0; i < NUM_RX_DMA; i++) {
1611 if (aup->rx_db_inuse[i]) 798 if (aup->rx_db_inuse[i])
1612 ReleaseDB(aup, aup->rx_db_inuse[i]); 799 ReleaseDB(aup, aup->rx_db_inuse[i]);
@@ -1615,13 +802,12 @@ err_out:
1615 if (aup->tx_db_inuse[i]) 802 if (aup->tx_db_inuse[i])
1616 ReleaseDB(aup, aup->tx_db_inuse[i]); 803 ReleaseDB(aup, aup->tx_db_inuse[i]);
1617 } 804 }
1618 dma_free_noncoherent(NULL, 805 dma_free_noncoherent(NULL, MAX_BUF_SIZE * (NUM_TX_BUFFS + NUM_RX_BUFFS),
1619 MAX_BUF_SIZE * (NUM_TX_BUFFS+NUM_RX_BUFFS), 806 (void *)aup->vaddr, aup->dma_addr);
1620 (void *)aup->vaddr,
1621 aup->dma_addr);
1622 unregister_netdev(dev); 807 unregister_netdev(dev);
1623 free_netdev(dev); 808 free_netdev(dev);
1624 release_mem_region(CPHYSADDR(ioaddr), MAC_IOSIZE); 809 release_mem_region( base, MAC_IOSIZE);
810 release_mem_region(macen, 4);
1625 return NULL; 811 return NULL;
1626} 812}
1627 813
@@ -1640,19 +826,14 @@ static int au1000_init(struct net_device *dev)
1640 u32 flags; 826 u32 flags;
1641 int i; 827 int i;
1642 u32 control; 828 u32 control;
1643 u16 link, speed;
1644 829
1645 if (au1000_debug > 4) 830 if (au1000_debug > 4)
1646 printk("%s: au1000_init\n", dev->name); 831 printk("%s: au1000_init\n", dev->name);
1647 832
1648 spin_lock_irqsave(&aup->lock, flags);
1649
1650 /* bring the device out of reset */ 833 /* bring the device out of reset */
1651 *aup->enable = MAC_EN_CLOCK_ENABLE; 834 enable_mac(dev, 1);
1652 au_sync_delay(2); 835
1653 *aup->enable = MAC_EN_RESET0 | MAC_EN_RESET1 | 836 spin_lock_irqsave(&aup->lock, flags);
1654 MAC_EN_RESET2 | MAC_EN_CLOCK_ENABLE;
1655 au_sync_delay(20);
1656 837
1657 aup->mac->control = 0; 838 aup->mac->control = 0;
1658 aup->tx_head = (aup->tx_dma_ring[0]->buff_stat & 0xC) >> 2; 839 aup->tx_head = (aup->tx_dma_ring[0]->buff_stat & 0xC) >> 2;
@@ -1668,12 +849,16 @@ static int au1000_init(struct net_device *dev)
1668 } 849 }
1669 au_sync(); 850 au_sync();
1670 851
1671 aup->phy_ops->phy_status(dev, aup->phy_addr, &link, &speed); 852 control = MAC_RX_ENABLE | MAC_TX_ENABLE;
1672 control = MAC_DISABLE_RX_OWN | MAC_RX_ENABLE | MAC_TX_ENABLE;
1673#ifndef CONFIG_CPU_LITTLE_ENDIAN 853#ifndef CONFIG_CPU_LITTLE_ENDIAN
1674 control |= MAC_BIG_ENDIAN; 854 control |= MAC_BIG_ENDIAN;
1675#endif 855#endif
1676 if (link && (dev->if_port == IF_PORT_100BASEFX)) { 856 if (aup->phy_dev) {
857 if (aup->phy_dev->link && (DUPLEX_FULL == aup->phy_dev->duplex))
858 control |= MAC_FULL_DUPLEX;
859 else
860 control |= MAC_DISABLE_RX_OWN;
861 } else { /* PHY-less op, assume full-duplex */
1677 control |= MAC_FULL_DUPLEX; 862 control |= MAC_FULL_DUPLEX;
1678 } 863 }
1679 864
@@ -1685,57 +870,84 @@ static int au1000_init(struct net_device *dev)
1685 return 0; 870 return 0;
1686} 871}
1687 872
1688static void au1000_timer(unsigned long data) 873static void
874au1000_adjust_link(struct net_device *dev)
1689{ 875{
1690 struct net_device *dev = (struct net_device *)data;
1691 struct au1000_private *aup = (struct au1000_private *) dev->priv; 876 struct au1000_private *aup = (struct au1000_private *) dev->priv;
1692 unsigned char if_port; 877 struct phy_device *phydev = aup->phy_dev;
1693 u16 link, speed; 878 unsigned long flags;
1694 879
1695 if (!dev) { 880 int status_change = 0;
1696 /* fatal error, don't restart the timer */
1697 printk(KERN_ERR "au1000_timer error: NULL dev\n");
1698 return;
1699 }
1700 881
1701 if_port = dev->if_port; 882 BUG_ON(!aup->phy_dev);
1702 if (aup->phy_ops->phy_status(dev, aup->phy_addr, &link, &speed) == 0) { 883
1703 if (link) { 884 spin_lock_irqsave(&aup->lock, flags);
1704 if (!netif_carrier_ok(dev)) { 885
1705 netif_carrier_on(dev); 886 if (phydev->link && (aup->old_speed != phydev->speed)) {
1706 printk(KERN_INFO "%s: link up\n", dev->name); 887 // speed changed
1707 } 888
1708 } 889 switch(phydev->speed) {
1709 else { 890 case SPEED_10:
1710 if (netif_carrier_ok(dev)) { 891 case SPEED_100:
1711 netif_carrier_off(dev); 892 break;
1712 dev->if_port = 0; 893 default:
1713 printk(KERN_INFO "%s: link down\n", dev->name); 894 printk(KERN_WARNING
1714 } 895 "%s: Speed (%d) is not 10/100 ???\n",
896 dev->name, phydev->speed);
897 break;
1715 } 898 }
899
900 aup->old_speed = phydev->speed;
901
902 status_change = 1;
1716 } 903 }
1717 904
1718 if (link && (dev->if_port != if_port) && 905 if (phydev->link && (aup->old_duplex != phydev->duplex)) {
1719 (dev->if_port != IF_PORT_UNKNOWN)) { 906 // duplex mode changed
907
908 /* switching duplex mode requires to disable rx and tx! */
1720 hard_stop(dev); 909 hard_stop(dev);
1721 if (dev->if_port == IF_PORT_100BASEFX) { 910
1722 printk(KERN_INFO "%s: going to full duplex\n", 911 if (DUPLEX_FULL == phydev->duplex)
1723 dev->name); 912 aup->mac->control = ((aup->mac->control
1724 aup->mac->control |= MAC_FULL_DUPLEX; 913 | MAC_FULL_DUPLEX)
1725 au_sync_delay(1); 914 & ~MAC_DISABLE_RX_OWN);
1726 } 915 else
1727 else { 916 aup->mac->control = ((aup->mac->control
1728 aup->mac->control &= ~MAC_FULL_DUPLEX; 917 & ~MAC_FULL_DUPLEX)
1729 au_sync_delay(1); 918 | MAC_DISABLE_RX_OWN);
1730 } 919 au_sync_delay(1);
920
1731 enable_rx_tx(dev); 921 enable_rx_tx(dev);
922 aup->old_duplex = phydev->duplex;
923
924 status_change = 1;
1732 } 925 }
1733 926
1734 aup->timer.expires = RUN_AT((1*HZ)); 927 if(phydev->link != aup->old_link) {
1735 aup->timer.data = (unsigned long)dev; 928 // link state changed
1736 aup->timer.function = &au1000_timer; /* timer handler */
1737 add_timer(&aup->timer);
1738 929
930 if (phydev->link) // link went up
931 netif_schedule(dev);
932 else { // link went down
933 aup->old_speed = 0;
934 aup->old_duplex = -1;
935 }
936
937 aup->old_link = phydev->link;
938 status_change = 1;
939 }
940
941 spin_unlock_irqrestore(&aup->lock, flags);
942
943 if (status_change) {
944 if (phydev->link)
945 printk(KERN_INFO "%s: link up (%d/%s)\n",
946 dev->name, phydev->speed,
947 DUPLEX_FULL == phydev->duplex ? "Full" : "Half");
948 else
949 printk(KERN_INFO "%s: link down\n", dev->name);
950 }
1739} 951}
1740 952
1741static int au1000_open(struct net_device *dev) 953static int au1000_open(struct net_device *dev)
@@ -1746,25 +958,26 @@ static int au1000_open(struct net_device *dev)
1746 if (au1000_debug > 4) 958 if (au1000_debug > 4)
1747 printk("%s: open: dev=%p\n", dev->name, dev); 959 printk("%s: open: dev=%p\n", dev->name, dev);
1748 960
961 if ((retval = request_irq(dev->irq, &au1000_interrupt, 0,
962 dev->name, dev))) {
963 printk(KERN_ERR "%s: unable to get IRQ %d\n",
964 dev->name, dev->irq);
965 return retval;
966 }
967
1749 if ((retval = au1000_init(dev))) { 968 if ((retval = au1000_init(dev))) {
1750 printk(KERN_ERR "%s: error in au1000_init\n", dev->name); 969 printk(KERN_ERR "%s: error in au1000_init\n", dev->name);
1751 free_irq(dev->irq, dev); 970 free_irq(dev->irq, dev);
1752 return retval; 971 return retval;
1753 } 972 }
1754 netif_start_queue(dev);
1755 973
1756 if ((retval = request_irq(dev->irq, &au1000_interrupt, 0, 974 if (aup->phy_dev) {
1757 dev->name, dev))) { 975 /* cause the PHY state machine to schedule a link state check */
1758 printk(KERN_ERR "%s: unable to get IRQ %d\n", 976 aup->phy_dev->state = PHY_CHANGELINK;
1759 dev->name, dev->irq); 977 phy_start(aup->phy_dev);
1760 return retval;
1761 } 978 }
1762 979
1763 init_timer(&aup->timer); /* used in ioctl() */ 980 netif_start_queue(dev);
1764 aup->timer.expires = RUN_AT((3*HZ));
1765 aup->timer.data = (unsigned long)dev;
1766 aup->timer.function = &au1000_timer; /* timer handler */
1767 add_timer(&aup->timer);
1768 981
1769 if (au1000_debug > 4) 982 if (au1000_debug > 4)
1770 printk("%s: open: Initialization done.\n", dev->name); 983 printk("%s: open: Initialization done.\n", dev->name);
@@ -1774,16 +987,19 @@ static int au1000_open(struct net_device *dev)
1774 987
1775static int au1000_close(struct net_device *dev) 988static int au1000_close(struct net_device *dev)
1776{ 989{
1777 u32 flags; 990 unsigned long flags;
1778 struct au1000_private *aup = (struct au1000_private *) dev->priv; 991 struct au1000_private *const aup = (struct au1000_private *) dev->priv;
1779 992
1780 if (au1000_debug > 4) 993 if (au1000_debug > 4)
1781 printk("%s: close: dev=%p\n", dev->name, dev); 994 printk("%s: close: dev=%p\n", dev->name, dev);
1782 995
1783 reset_mac(dev); 996 if (aup->phy_dev)
997 phy_stop(aup->phy_dev);
1784 998
1785 spin_lock_irqsave(&aup->lock, flags); 999 spin_lock_irqsave(&aup->lock, flags);
1786 1000
1001 reset_mac_unlocked (dev);
1002
1787 /* stop the device */ 1003 /* stop the device */
1788 netif_stop_queue(dev); 1004 netif_stop_queue(dev);
1789 1005
@@ -1805,21 +1021,18 @@ static void __exit au1000_cleanup_module(void)
1805 if (dev) { 1021 if (dev) {
1806 aup = (struct au1000_private *) dev->priv; 1022 aup = (struct au1000_private *) dev->priv;
1807 unregister_netdev(dev); 1023 unregister_netdev(dev);
1808 kfree(aup->mii); 1024 for (j = 0; j < NUM_RX_DMA; j++)
1809 for (j = 0; j < NUM_RX_DMA; j++) {
1810 if (aup->rx_db_inuse[j]) 1025 if (aup->rx_db_inuse[j])
1811 ReleaseDB(aup, aup->rx_db_inuse[j]); 1026 ReleaseDB(aup, aup->rx_db_inuse[j]);
1812 } 1027 for (j = 0; j < NUM_TX_DMA; j++)
1813 for (j = 0; j < NUM_TX_DMA; j++) {
1814 if (aup->tx_db_inuse[j]) 1028 if (aup->tx_db_inuse[j])
1815 ReleaseDB(aup, aup->tx_db_inuse[j]); 1029 ReleaseDB(aup, aup->tx_db_inuse[j]);
1816 } 1030 dma_free_noncoherent(NULL, MAX_BUF_SIZE *
1817 dma_free_noncoherent(NULL, 1031 (NUM_TX_BUFFS + NUM_RX_BUFFS),
1818 MAX_BUF_SIZE * (NUM_TX_BUFFS+NUM_RX_BUFFS), 1032 (void *)aup->vaddr, aup->dma_addr);
1819 (void *)aup->vaddr, 1033 release_mem_region(dev->base_addr, MAC_IOSIZE);
1820 aup->dma_addr); 1034 release_mem_region(CPHYSADDR(iflist[i].macen_addr), 4);
1821 free_netdev(dev); 1035 free_netdev(dev);
1822 release_mem_region(CPHYSADDR(iflist[i].base_addr), MAC_IOSIZE);
1823 } 1036 }
1824 } 1037 }
1825} 1038}
@@ -1830,7 +1043,7 @@ static void update_tx_stats(struct net_device *dev, u32 status)
1830 struct net_device_stats *ps = &aup->stats; 1043 struct net_device_stats *ps = &aup->stats;
1831 1044
1832 if (status & TX_FRAME_ABORTED) { 1045 if (status & TX_FRAME_ABORTED) {
1833 if (dev->if_port == IF_PORT_100BASEFX) { 1046 if (!aup->phy_dev || (DUPLEX_FULL == aup->phy_dev->duplex)) {
1834 if (status & (TX_JAB_TIMEOUT | TX_UNDERRUN)) { 1047 if (status & (TX_JAB_TIMEOUT | TX_UNDERRUN)) {
1835 /* any other tx errors are only valid 1048 /* any other tx errors are only valid
1836 * in half duplex mode */ 1049 * in half duplex mode */
@@ -2104,126 +1317,15 @@ static void set_rx_mode(struct net_device *dev)
2104 } 1317 }
2105} 1318}
2106 1319
2107
2108static int au1000_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) 1320static int au1000_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
2109{ 1321{
2110 struct au1000_private *aup = (struct au1000_private *)dev->priv; 1322 struct au1000_private *aup = (struct au1000_private *)dev->priv;
2111 u16 *data = (u16 *)&rq->ifr_ifru;
2112
2113 switch(cmd) {
2114 case SIOCDEVPRIVATE: /* Get the address of the PHY in use. */
2115 case SIOCGMIIPHY:
2116 if (!netif_running(dev)) return -EINVAL;
2117 data[0] = aup->phy_addr;
2118 case SIOCDEVPRIVATE+1: /* Read the specified MII register. */
2119 case SIOCGMIIREG:
2120 data[3] = mdio_read(dev, data[0], data[1]);
2121 return 0;
2122 case SIOCDEVPRIVATE+2: /* Write the specified MII register */
2123 case SIOCSMIIREG:
2124 if (!capable(CAP_NET_ADMIN))
2125 return -EPERM;
2126 mdio_write(dev, data[0], data[1],data[2]);
2127 return 0;
2128 default:
2129 return -EOPNOTSUPP;
2130 }
2131
2132}
2133
2134
2135static int au1000_set_config(struct net_device *dev, struct ifmap *map)
2136{
2137 struct au1000_private *aup = (struct au1000_private *) dev->priv;
2138 u16 control;
2139 1323
2140 if (au1000_debug > 4) { 1324 if (!netif_running(dev)) return -EINVAL;
2141 printk("%s: set_config called: dev->if_port %d map->port %x\n",
2142 dev->name, dev->if_port, map->port);
2143 }
2144 1325
2145 switch(map->port){ 1326 if (!aup->phy_dev) return -EINVAL; // PHY not controllable
2146 case IF_PORT_UNKNOWN: /* use auto here */
2147 printk(KERN_INFO "%s: config phy for aneg\n",
2148 dev->name);
2149 dev->if_port = map->port;
2150 /* Link Down: the timer will bring it up */
2151 netif_carrier_off(dev);
2152
2153 /* read current control */
2154 control = mdio_read(dev, aup->phy_addr, MII_CONTROL);
2155 control &= ~(MII_CNTL_FDX | MII_CNTL_F100);
2156
2157 /* enable auto negotiation and reset the negotiation */
2158 mdio_write(dev, aup->phy_addr, MII_CONTROL,
2159 control | MII_CNTL_AUTO |
2160 MII_CNTL_RST_AUTO);
2161 1327
2162 break; 1328 return phy_mii_ioctl(aup->phy_dev, if_mii(rq), cmd);
2163
2164 case IF_PORT_10BASET: /* 10BaseT */
2165 printk(KERN_INFO "%s: config phy for 10BaseT\n",
2166 dev->name);
2167 dev->if_port = map->port;
2168
2169 /* Link Down: the timer will bring it up */
2170 netif_carrier_off(dev);
2171
2172 /* set Speed to 10Mbps, Half Duplex */
2173 control = mdio_read(dev, aup->phy_addr, MII_CONTROL);
2174 control &= ~(MII_CNTL_F100 | MII_CNTL_AUTO |
2175 MII_CNTL_FDX);
2176
2177 /* disable auto negotiation and force 10M/HD mode*/
2178 mdio_write(dev, aup->phy_addr, MII_CONTROL, control);
2179 break;
2180
2181 case IF_PORT_100BASET: /* 100BaseT */
2182 case IF_PORT_100BASETX: /* 100BaseTx */
2183 printk(KERN_INFO "%s: config phy for 100BaseTX\n",
2184 dev->name);
2185 dev->if_port = map->port;
2186
2187 /* Link Down: the timer will bring it up */
2188 netif_carrier_off(dev);
2189
2190 /* set Speed to 100Mbps, Half Duplex */
2191 /* disable auto negotiation and enable 100MBit Mode */
2192 control = mdio_read(dev, aup->phy_addr, MII_CONTROL);
2193 control &= ~(MII_CNTL_AUTO | MII_CNTL_FDX);
2194 control |= MII_CNTL_F100;
2195 mdio_write(dev, aup->phy_addr, MII_CONTROL, control);
2196 break;
2197
2198 case IF_PORT_100BASEFX: /* 100BaseFx */
2199 printk(KERN_INFO "%s: config phy for 100BaseFX\n",
2200 dev->name);
2201 dev->if_port = map->port;
2202
2203 /* Link Down: the timer will bring it up */
2204 netif_carrier_off(dev);
2205
2206 /* set Speed to 100Mbps, Full Duplex */
2207 /* disable auto negotiation and enable 100MBit Mode */
2208 control = mdio_read(dev, aup->phy_addr, MII_CONTROL);
2209 control &= ~MII_CNTL_AUTO;
2210 control |= MII_CNTL_F100 | MII_CNTL_FDX;
2211 mdio_write(dev, aup->phy_addr, MII_CONTROL, control);
2212 break;
2213 case IF_PORT_10BASE2: /* 10Base2 */
2214 case IF_PORT_AUI: /* AUI */
2215 /* These Modes are not supported (are they?)*/
2216 printk(KERN_ERR "%s: 10Base2/AUI not supported",
2217 dev->name);
2218 return -EOPNOTSUPP;
2219 break;
2220
2221 default:
2222 printk(KERN_ERR "%s: Invalid media selected",
2223 dev->name);
2224 return -EINVAL;
2225 }
2226 return 0;
2227} 1329}
2228 1330
2229static struct net_device_stats *au1000_get_stats(struct net_device *dev) 1331static struct net_device_stats *au1000_get_stats(struct net_device *dev)
generated by cgit v1.2.2 (git 2.25.0) at 2025-11-02 12:37:52 -0500