e34076ff763e3c43996ea8b2ea28158b3d3c364f
[oweals/u-boot.git] / drivers / net / tsec.c
1 /*
2  * Freescale Three Speed Ethernet Controller driver
3  *
4  * This software may be used and distributed according to the
5  * terms of the GNU Public License, Version 2, incorporated
6  * herein by reference.
7  *
8  * Copyright 2004, 2007 Freescale Semiconductor, Inc.
9  * (C) Copyright 2003, Motorola, Inc.
10  * author Andy Fleming
11  *
12  */
13
14 #include <config.h>
15 #include <common.h>
16 #include <malloc.h>
17 #include <net.h>
18 #include <command.h>
19 #include <tsec.h>
20
21 #include "miiphy.h"
22
23 DECLARE_GLOBAL_DATA_PTR;
24
25 #define TX_BUF_CNT              2
26
27 static uint rxIdx;              /* index of the current RX buffer */
28 static uint txIdx;              /* index of the current TX buffer */
29
30 typedef volatile struct rtxbd {
31         txbd8_t txbd[TX_BUF_CNT];
32         rxbd8_t rxbd[PKTBUFSRX];
33 } RTXBD;
34
35 #define MAXCONTROLLERS  (8)
36
37 static int relocated = 0;
38
39 static struct tsec_private *privlist[MAXCONTROLLERS];
40 static int num_tsecs = 0;
41
42 #ifdef __GNUC__
43 static RTXBD rtx __attribute__ ((aligned(8)));
44 #else
45 #error "rtx must be 64-bit aligned"
46 #endif
47
48 static int tsec_send(struct eth_device *dev,
49                      volatile void *packet, int length);
50 static int tsec_recv(struct eth_device *dev);
51 static int tsec_init(struct eth_device *dev, bd_t * bd);
52 static void tsec_halt(struct eth_device *dev);
53 static void init_registers(volatile tsec_t * regs);
54 static void startup_tsec(struct eth_device *dev);
55 static int init_phy(struct eth_device *dev);
56 void write_phy_reg(struct tsec_private *priv, uint regnum, uint value);
57 uint read_phy_reg(struct tsec_private *priv, uint regnum);
58 struct phy_info *get_phy_info(struct eth_device *dev);
59 void phy_run_commands(struct tsec_private *priv, struct phy_cmd *cmd);
60 static void adjust_link(struct eth_device *dev);
61 static void relocate_cmds(void);
62 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) \
63         && !defined(BITBANGMII)
64 static int tsec_miiphy_write(char *devname, unsigned char addr,
65                              unsigned char reg, unsigned short value);
66 static int tsec_miiphy_read(char *devname, unsigned char addr,
67                             unsigned char reg, unsigned short *value);
68 #endif
69 #ifdef CONFIG_MCAST_TFTP
70 static int tsec_mcast_addr (struct eth_device *dev, u8 mcast_mac, u8 set);
71 #endif
72
73 /* Default initializations for TSEC controllers. */
74
75 static struct tsec_info_struct tsec_info[] = {
76 #ifdef CONFIG_TSEC1
77         STD_TSEC_INFO(1),       /* TSEC1 */
78 #endif
79 #ifdef CONFIG_TSEC2
80         STD_TSEC_INFO(2),       /* TSEC2 */
81 #endif
82 #ifdef CONFIG_MPC85XX_FEC
83         {
84                 .regs = (tsec_t *)(TSEC_BASE_ADDR + 0x2000),
85                 .miiregs = (tsec_t *)(TSEC_BASE_ADDR),
86                 .devname = CONFIG_MPC85XX_FEC_NAME,
87                 .phyaddr = FEC_PHY_ADDR,
88                 .flags = FEC_FLAGS
89         },                      /* FEC */
90 #endif
91 #ifdef CONFIG_TSEC3
92         STD_TSEC_INFO(3),       /* TSEC3 */
93 #endif
94 #ifdef CONFIG_TSEC4
95         STD_TSEC_INFO(4),       /* TSEC4 */
96 #endif
97 };
98
99 int tsec_eth_init(bd_t *bis, struct tsec_info_struct *tsecs, int num)
100 {
101         int i;
102
103         for (i = 0; i < num; i++)
104                 tsec_initialize(bis, &tsecs[i]);
105
106         return 0;
107 }
108
109 int tsec_standard_init(bd_t *bis)
110 {
111         return tsec_eth_init(bis, tsec_info, ARRAY_SIZE(tsec_info));
112 }
113
114 /* Initialize device structure. Returns success if PHY
115  * initialization succeeded (i.e. if it recognizes the PHY)
116  */
117 int tsec_initialize(bd_t * bis, struct tsec_info_struct *tsec_info)
118 {
119         struct eth_device *dev;
120         int i;
121         struct tsec_private *priv;
122
123         dev = (struct eth_device *)malloc(sizeof *dev);
124
125         if (NULL == dev)
126                 return 0;
127
128         memset(dev, 0, sizeof *dev);
129
130         priv = (struct tsec_private *)malloc(sizeof(*priv));
131
132         if (NULL == priv)
133                 return 0;
134
135         privlist[num_tsecs++] = priv;
136         priv->regs = tsec_info->regs;
137         priv->phyregs = tsec_info->miiregs;
138
139         priv->phyaddr = tsec_info->phyaddr;
140         priv->flags = tsec_info->flags;
141
142         sprintf(dev->name, tsec_info->devname);
143         dev->iobase = 0;
144         dev->priv = priv;
145         dev->init = tsec_init;
146         dev->halt = tsec_halt;
147         dev->send = tsec_send;
148         dev->recv = tsec_recv;
149 #ifdef CONFIG_MCAST_TFTP
150         dev->mcast = tsec_mcast_addr;
151 #endif
152
153         /* Tell u-boot to get the addr from the env */
154         for (i = 0; i < 6; i++)
155                 dev->enetaddr[i] = 0;
156
157         eth_register(dev);
158
159         /* Reset the MAC */
160         priv->regs->maccfg1 |= MACCFG1_SOFT_RESET;
161         priv->regs->maccfg1 &= ~(MACCFG1_SOFT_RESET);
162
163 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) \
164         && !defined(BITBANGMII)
165         miiphy_register(dev->name, tsec_miiphy_read, tsec_miiphy_write);
166 #endif
167
168         /* Try to initialize PHY here, and return */
169         return init_phy(dev);
170 }
171
172 /* Initializes data structures and registers for the controller,
173  * and brings the interface up.  Returns the link status, meaning
174  * that it returns success if the link is up, failure otherwise.
175  * This allows u-boot to find the first active controller.
176  */
177 int tsec_init(struct eth_device *dev, bd_t * bd)
178 {
179         uint tempval;
180         char tmpbuf[MAC_ADDR_LEN];
181         int i;
182         struct tsec_private *priv = (struct tsec_private *)dev->priv;
183         volatile tsec_t *regs = priv->regs;
184
185         /* Make sure the controller is stopped */
186         tsec_halt(dev);
187
188         /* Init MACCFG2.  Defaults to GMII */
189         regs->maccfg2 = MACCFG2_INIT_SETTINGS;
190
191         /* Init ECNTRL */
192         regs->ecntrl = ECNTRL_INIT_SETTINGS;
193
194         /* Copy the station address into the address registers.
195          * Backwards, because little endian MACS are dumb */
196         for (i = 0; i < MAC_ADDR_LEN; i++) {
197                 tmpbuf[MAC_ADDR_LEN - 1 - i] = dev->enetaddr[i];
198         }
199         regs->macstnaddr1 = *((uint *) (tmpbuf));
200
201         tempval = *((uint *) (tmpbuf + 4));
202
203         regs->macstnaddr2 = tempval;
204
205         /* reset the indices to zero */
206         rxIdx = 0;
207         txIdx = 0;
208
209         /* Clear out (for the most part) the other registers */
210         init_registers(regs);
211
212         /* Ready the device for tx/rx */
213         startup_tsec(dev);
214
215         /* If there's no link, fail */
216         return (priv->link ? 0 : -1);
217 }
218
219 /* Writes the given phy's reg with value, using the specified MDIO regs */
220 static void tsec_local_mdio_write(volatile tsec_t *phyregs, uint addr,
221                 uint reg, uint value)
222 {
223         int timeout = 1000000;
224
225         phyregs->miimadd = (addr << 8) | reg;
226         phyregs->miimcon = value;
227         asm("sync");
228
229         timeout = 1000000;
230         while ((phyregs->miimind & MIIMIND_BUSY) && timeout--) ;
231 }
232
233
234 /* Provide the default behavior of writing the PHY of this ethernet device */
235 #define write_phy_reg(priv, regnum, value) tsec_local_mdio_write(priv->phyregs,priv->phyaddr,regnum,value)
236
237 /* Reads register regnum on the device's PHY through the
238  * specified registers.  It lowers and raises the read
239  * command, and waits for the data to become valid (miimind
240  * notvalid bit cleared), and the bus to cease activity (miimind
241  * busy bit cleared), and then returns the value
242  */
243 uint tsec_local_mdio_read(volatile tsec_t *phyregs, uint phyid, uint regnum)
244 {
245         uint value;
246
247         /* Put the address of the phy, and the register
248          * number into MIIMADD */
249         phyregs->miimadd = (phyid << 8) | regnum;
250
251         /* Clear the command register, and wait */
252         phyregs->miimcom = 0;
253         asm("sync");
254
255         /* Initiate a read command, and wait */
256         phyregs->miimcom = MIIM_READ_COMMAND;
257         asm("sync");
258
259         /* Wait for the the indication that the read is done */
260         while ((phyregs->miimind & (MIIMIND_NOTVALID | MIIMIND_BUSY))) ;
261
262         /* Grab the value read from the PHY */
263         value = phyregs->miimstat;
264
265         return value;
266 }
267
268 /* #define to provide old read_phy_reg functionality without duplicating code */
269 #define read_phy_reg(priv,regnum) tsec_local_mdio_read(priv->phyregs,priv->phyaddr,regnum)
270
271 #define TBIANA_SETTINGS ( \
272                 TBIANA_ASYMMETRIC_PAUSE \
273                 | TBIANA_SYMMETRIC_PAUSE \
274                 | TBIANA_FULL_DUPLEX \
275                 )
276
277 #define TBICR_SETTINGS ( \
278                 TBICR_PHY_RESET \
279                 | TBICR_ANEG_ENABLE \
280                 | TBICR_FULL_DUPLEX \
281                 | TBICR_SPEED1_SET \
282                 )
283 /* Configure the TBI for SGMII operation */
284 static void tsec_configure_serdes(struct tsec_private *priv)
285 {
286         /* Access TBI PHY registers at given TSEC register offset as opposed to the
287          * register offset used for external PHY accesses */
288         tsec_local_mdio_write(priv->regs, priv->regs->tbipa, TBI_ANA,
289                         TBIANA_SETTINGS);
290         tsec_local_mdio_write(priv->regs, priv->regs->tbipa, TBI_TBICON,
291                         TBICON_CLK_SELECT);
292         tsec_local_mdio_write(priv->regs, priv->regs->tbipa, TBI_CR,
293                         TBICR_SETTINGS);
294 }
295
296 /* Discover which PHY is attached to the device, and configure it
297  * properly.  If the PHY is not recognized, then return 0
298  * (failure).  Otherwise, return 1
299  */
300 static int init_phy(struct eth_device *dev)
301 {
302         struct tsec_private *priv = (struct tsec_private *)dev->priv;
303         struct phy_info *curphy;
304         volatile tsec_t *phyregs = priv->phyregs;
305         volatile tsec_t *regs = priv->regs;
306
307         /* Assign a Physical address to the TBI */
308         regs->tbipa = CFG_TBIPA_VALUE;
309         phyregs->tbipa = CFG_TBIPA_VALUE;
310         asm("sync");
311
312         /* Reset MII (due to new addresses) */
313         priv->phyregs->miimcfg = MIIMCFG_RESET;
314         asm("sync");
315         priv->phyregs->miimcfg = MIIMCFG_INIT_VALUE;
316         asm("sync");
317         while (priv->phyregs->miimind & MIIMIND_BUSY) ;
318
319         if (0 == relocated)
320                 relocate_cmds();
321
322         /* Get the cmd structure corresponding to the attached
323          * PHY */
324         curphy = get_phy_info(dev);
325
326         if (curphy == NULL) {
327                 priv->phyinfo = NULL;
328                 printf("%s: No PHY found\n", dev->name);
329
330                 return 0;
331         }
332
333         if (regs->ecntrl & ECNTRL_SGMII_MODE)
334                 tsec_configure_serdes(priv);
335
336         priv->phyinfo = curphy;
337
338         phy_run_commands(priv, priv->phyinfo->config);
339
340         return 1;
341 }
342
343 /*
344  * Returns which value to write to the control register.
345  * For 10/100, the value is slightly different
346  */
347 uint mii_cr_init(uint mii_reg, struct tsec_private * priv)
348 {
349         if (priv->flags & TSEC_GIGABIT)
350                 return MIIM_CONTROL_INIT;
351         else
352                 return MIIM_CR_INIT;
353 }
354
355 /* Parse the status register for link, and then do
356  * auto-negotiation
357  */
358 uint mii_parse_sr(uint mii_reg, struct tsec_private * priv)
359 {
360         /*
361          * Wait if the link is up, and autonegotiation is in progress
362          * (ie - we're capable and it's not done)
363          */
364         mii_reg = read_phy_reg(priv, MIIM_STATUS);
365         if ((mii_reg & MIIM_STATUS_LINK) && (mii_reg & PHY_BMSR_AUTN_ABLE)
366             && !(mii_reg & PHY_BMSR_AUTN_COMP)) {
367                 int i = 0;
368
369                 puts("Waiting for PHY auto negotiation to complete");
370                 while (!(mii_reg & PHY_BMSR_AUTN_COMP)) {
371                         /*
372                          * Timeout reached ?
373                          */
374                         if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
375                                 puts(" TIMEOUT !\n");
376                                 priv->link = 0;
377                                 return 0;
378                         }
379
380                         if ((i++ % 1000) == 0) {
381                                 putc('.');
382                         }
383                         udelay(1000);   /* 1 ms */
384                         mii_reg = read_phy_reg(priv, MIIM_STATUS);
385                 }
386                 puts(" done\n");
387                 priv->link = 1;
388                 udelay(500000); /* another 500 ms (results in faster booting) */
389         } else {
390                 if (mii_reg & MIIM_STATUS_LINK)
391                         priv->link = 1;
392                 else
393                         priv->link = 0;
394         }
395
396         return 0;
397 }
398
399 /* Generic function which updates the speed and duplex.  If
400  * autonegotiation is enabled, it uses the AND of the link
401  * partner's advertised capabilities and our advertised
402  * capabilities.  If autonegotiation is disabled, we use the
403  * appropriate bits in the control register.
404  *
405  * Stolen from Linux's mii.c and phy_device.c
406  */
407 uint mii_parse_link(uint mii_reg, struct tsec_private *priv)
408 {
409         /* We're using autonegotiation */
410         if (mii_reg & PHY_BMSR_AUTN_ABLE) {
411                 uint lpa = 0;
412                 uint gblpa = 0;
413
414                 /* Check for gigabit capability */
415                 if (mii_reg & PHY_BMSR_EXT) {
416                         /* We want a list of states supported by
417                          * both PHYs in the link
418                          */
419                         gblpa = read_phy_reg(priv, PHY_1000BTSR);
420                         gblpa &= read_phy_reg(priv, PHY_1000BTCR) << 2;
421                 }
422
423                 /* Set the baseline so we only have to set them
424                  * if they're different
425                  */
426                 priv->speed = 10;
427                 priv->duplexity = 0;
428
429                 /* Check the gigabit fields */
430                 if (gblpa & (PHY_1000BTSR_1000FD | PHY_1000BTSR_1000HD)) {
431                         priv->speed = 1000;
432
433                         if (gblpa & PHY_1000BTSR_1000FD)
434                                 priv->duplexity = 1;
435
436                         /* We're done! */
437                         return 0;
438                 }
439
440                 lpa = read_phy_reg(priv, PHY_ANAR);
441                 lpa &= read_phy_reg(priv, PHY_ANLPAR);
442
443                 if (lpa & (PHY_ANLPAR_TXFD | PHY_ANLPAR_TX)) {
444                         priv->speed = 100;
445
446                         if (lpa & PHY_ANLPAR_TXFD)
447                                 priv->duplexity = 1;
448
449                 } else if (lpa & PHY_ANLPAR_10FD)
450                         priv->duplexity = 1;
451         } else {
452                 uint bmcr = read_phy_reg(priv, PHY_BMCR);
453
454                 priv->speed = 10;
455                 priv->duplexity = 0;
456
457                 if (bmcr & PHY_BMCR_DPLX)
458                         priv->duplexity = 1;
459
460                 if (bmcr & PHY_BMCR_1000_MBPS)
461                         priv->speed = 1000;
462                 else if (bmcr & PHY_BMCR_100_MBPS)
463                         priv->speed = 100;
464         }
465
466         return 0;
467 }
468
469 /*
470  * Parse the BCM54xx status register for speed and duplex information.
471  * The linux sungem_phy has this information, but in a table format.
472  */
473 uint mii_parse_BCM54xx_sr(uint mii_reg, struct tsec_private *priv)
474 {
475
476         switch((mii_reg & MIIM_BCM54xx_AUXSTATUS_LINKMODE_MASK) >> MIIM_BCM54xx_AUXSTATUS_LINKMODE_SHIFT){
477
478                 case 1:
479                         printf("Enet starting in 10BT/HD\n");
480                         priv->duplexity = 0;
481                         priv->speed = 10;
482                         break;
483
484                 case 2:
485                         printf("Enet starting in 10BT/FD\n");
486                         priv->duplexity = 1;
487                         priv->speed = 10;
488                         break;
489
490                 case 3:
491                         printf("Enet starting in 100BT/HD\n");
492                         priv->duplexity = 0;
493                         priv->speed = 100;
494                         break;
495
496                 case 5:
497                         printf("Enet starting in 100BT/FD\n");
498                         priv->duplexity = 1;
499                         priv->speed = 100;
500                         break;
501
502                 case 6:
503                         printf("Enet starting in 1000BT/HD\n");
504                         priv->duplexity = 0;
505                         priv->speed = 1000;
506                         break;
507
508                 case 7:
509                         printf("Enet starting in 1000BT/FD\n");
510                         priv->duplexity = 1;
511                         priv->speed = 1000;
512                         break;
513
514                 default:
515                         printf("Auto-neg error, defaulting to 10BT/HD\n");
516                         priv->duplexity = 0;
517                         priv->speed = 10;
518                         break;
519         }
520
521         return 0;
522
523 }
524 /* Parse the 88E1011's status register for speed and duplex
525  * information
526  */
527 uint mii_parse_88E1011_psr(uint mii_reg, struct tsec_private * priv)
528 {
529         uint speed;
530
531         mii_reg = read_phy_reg(priv, MIIM_88E1011_PHY_STATUS);
532
533         if ((mii_reg & MIIM_88E1011_PHYSTAT_LINK) &&
534                 !(mii_reg & MIIM_88E1011_PHYSTAT_SPDDONE)) {
535                 int i = 0;
536
537                 puts("Waiting for PHY realtime link");
538                 while (!(mii_reg & MIIM_88E1011_PHYSTAT_SPDDONE)) {
539                         /* Timeout reached ? */
540                         if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
541                                 puts(" TIMEOUT !\n");
542                                 priv->link = 0;
543                                 break;
544                         }
545
546                         if ((i++ % 1000) == 0) {
547                                 putc('.');
548                         }
549                         udelay(1000);   /* 1 ms */
550                         mii_reg = read_phy_reg(priv, MIIM_88E1011_PHY_STATUS);
551                 }
552                 puts(" done\n");
553                 udelay(500000); /* another 500 ms (results in faster booting) */
554         } else {
555                 if (mii_reg & MIIM_88E1011_PHYSTAT_LINK)
556                         priv->link = 1;
557                 else
558                         priv->link = 0;
559         }
560
561         if (mii_reg & MIIM_88E1011_PHYSTAT_DUPLEX)
562                 priv->duplexity = 1;
563         else
564                 priv->duplexity = 0;
565
566         speed = (mii_reg & MIIM_88E1011_PHYSTAT_SPEED);
567
568         switch (speed) {
569         case MIIM_88E1011_PHYSTAT_GBIT:
570                 priv->speed = 1000;
571                 break;
572         case MIIM_88E1011_PHYSTAT_100:
573                 priv->speed = 100;
574                 break;
575         default:
576                 priv->speed = 10;
577         }
578
579         return 0;
580 }
581
582 /* Parse the RTL8211B's status register for speed and duplex
583  * information
584  */
585 uint mii_parse_RTL8211B_sr(uint mii_reg, struct tsec_private * priv)
586 {
587         uint speed;
588
589         mii_reg = read_phy_reg(priv, MIIM_RTL8211B_PHY_STATUS);
590         if (!(mii_reg & MIIM_RTL8211B_PHYSTAT_SPDDONE)) {
591                 int i = 0;
592
593                 /* in case of timeout ->link is cleared */
594                 priv->link = 1;
595                 puts("Waiting for PHY realtime link");
596                 while (!(mii_reg & MIIM_RTL8211B_PHYSTAT_SPDDONE)) {
597                         /* Timeout reached ? */
598                         if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
599                                 puts(" TIMEOUT !\n");
600                                 priv->link = 0;
601                                 break;
602                         }
603
604                         if ((i++ % 1000) == 0) {
605                                 putc('.');
606                         }
607                         udelay(1000);   /* 1 ms */
608                         mii_reg = read_phy_reg(priv, MIIM_RTL8211B_PHY_STATUS);
609                 }
610                 puts(" done\n");
611                 udelay(500000); /* another 500 ms (results in faster booting) */
612         } else {
613                 if (mii_reg & MIIM_RTL8211B_PHYSTAT_LINK)
614                         priv->link = 1;
615                 else
616                         priv->link = 0;
617         }
618
619         if (mii_reg & MIIM_RTL8211B_PHYSTAT_DUPLEX)
620                 priv->duplexity = 1;
621         else
622                 priv->duplexity = 0;
623
624         speed = (mii_reg & MIIM_RTL8211B_PHYSTAT_SPEED);
625
626         switch (speed) {
627         case MIIM_RTL8211B_PHYSTAT_GBIT:
628                 priv->speed = 1000;
629                 break;
630         case MIIM_RTL8211B_PHYSTAT_100:
631                 priv->speed = 100;
632                 break;
633         default:
634                 priv->speed = 10;
635         }
636
637         return 0;
638 }
639
640 /* Parse the cis8201's status register for speed and duplex
641  * information
642  */
643 uint mii_parse_cis8201(uint mii_reg, struct tsec_private * priv)
644 {
645         uint speed;
646
647         if (mii_reg & MIIM_CIS8201_AUXCONSTAT_DUPLEX)
648                 priv->duplexity = 1;
649         else
650                 priv->duplexity = 0;
651
652         speed = mii_reg & MIIM_CIS8201_AUXCONSTAT_SPEED;
653         switch (speed) {
654         case MIIM_CIS8201_AUXCONSTAT_GBIT:
655                 priv->speed = 1000;
656                 break;
657         case MIIM_CIS8201_AUXCONSTAT_100:
658                 priv->speed = 100;
659                 break;
660         default:
661                 priv->speed = 10;
662                 break;
663         }
664
665         return 0;
666 }
667
668 /* Parse the vsc8244's status register for speed and duplex
669  * information
670  */
671 uint mii_parse_vsc8244(uint mii_reg, struct tsec_private * priv)
672 {
673         uint speed;
674
675         if (mii_reg & MIIM_VSC8244_AUXCONSTAT_DUPLEX)
676                 priv->duplexity = 1;
677         else
678                 priv->duplexity = 0;
679
680         speed = mii_reg & MIIM_VSC8244_AUXCONSTAT_SPEED;
681         switch (speed) {
682         case MIIM_VSC8244_AUXCONSTAT_GBIT:
683                 priv->speed = 1000;
684                 break;
685         case MIIM_VSC8244_AUXCONSTAT_100:
686                 priv->speed = 100;
687                 break;
688         default:
689                 priv->speed = 10;
690                 break;
691         }
692
693         return 0;
694 }
695
696 /* Parse the DM9161's status register for speed and duplex
697  * information
698  */
699 uint mii_parse_dm9161_scsr(uint mii_reg, struct tsec_private * priv)
700 {
701         if (mii_reg & (MIIM_DM9161_SCSR_100F | MIIM_DM9161_SCSR_100H))
702                 priv->speed = 100;
703         else
704                 priv->speed = 10;
705
706         if (mii_reg & (MIIM_DM9161_SCSR_100F | MIIM_DM9161_SCSR_10F))
707                 priv->duplexity = 1;
708         else
709                 priv->duplexity = 0;
710
711         return 0;
712 }
713
714 /*
715  * Hack to write all 4 PHYs with the LED values
716  */
717 uint mii_cis8204_fixled(uint mii_reg, struct tsec_private * priv)
718 {
719         uint phyid;
720         volatile tsec_t *regbase = priv->phyregs;
721         int timeout = 1000000;
722
723         for (phyid = 0; phyid < 4; phyid++) {
724                 regbase->miimadd = (phyid << 8) | mii_reg;
725                 regbase->miimcon = MIIM_CIS8204_SLEDCON_INIT;
726                 asm("sync");
727
728                 timeout = 1000000;
729                 while ((regbase->miimind & MIIMIND_BUSY) && timeout--) ;
730         }
731
732         return MIIM_CIS8204_SLEDCON_INIT;
733 }
734
735 uint mii_cis8204_setmode(uint mii_reg, struct tsec_private * priv)
736 {
737         if (priv->flags & TSEC_REDUCED)
738                 return MIIM_CIS8204_EPHYCON_INIT | MIIM_CIS8204_EPHYCON_RGMII;
739         else
740                 return MIIM_CIS8204_EPHYCON_INIT;
741 }
742
743 uint mii_m88e1111s_setmode(uint mii_reg, struct tsec_private *priv)
744 {
745         uint mii_data = read_phy_reg(priv, mii_reg);
746
747         if (priv->flags & TSEC_REDUCED)
748                 mii_data = (mii_data & 0xfff0) | 0x000b;
749         return mii_data;
750 }
751
752 /* Initialized required registers to appropriate values, zeroing
753  * those we don't care about (unless zero is bad, in which case,
754  * choose a more appropriate value)
755  */
756 static void init_registers(volatile tsec_t * regs)
757 {
758         /* Clear IEVENT */
759         regs->ievent = IEVENT_INIT_CLEAR;
760
761         regs->imask = IMASK_INIT_CLEAR;
762
763         regs->hash.iaddr0 = 0;
764         regs->hash.iaddr1 = 0;
765         regs->hash.iaddr2 = 0;
766         regs->hash.iaddr3 = 0;
767         regs->hash.iaddr4 = 0;
768         regs->hash.iaddr5 = 0;
769         regs->hash.iaddr6 = 0;
770         regs->hash.iaddr7 = 0;
771
772         regs->hash.gaddr0 = 0;
773         regs->hash.gaddr1 = 0;
774         regs->hash.gaddr2 = 0;
775         regs->hash.gaddr3 = 0;
776         regs->hash.gaddr4 = 0;
777         regs->hash.gaddr5 = 0;
778         regs->hash.gaddr6 = 0;
779         regs->hash.gaddr7 = 0;
780
781         regs->rctrl = 0x00000000;
782
783         /* Init RMON mib registers */
784         memset((void *)&(regs->rmon), 0, sizeof(rmon_mib_t));
785
786         regs->rmon.cam1 = 0xffffffff;
787         regs->rmon.cam2 = 0xffffffff;
788
789         regs->mrblr = MRBLR_INIT_SETTINGS;
790
791         regs->minflr = MINFLR_INIT_SETTINGS;
792
793         regs->attr = ATTR_INIT_SETTINGS;
794         regs->attreli = ATTRELI_INIT_SETTINGS;
795
796 }
797
798 /* Configure maccfg2 based on negotiated speed and duplex
799  * reported by PHY handling code
800  */
801 static void adjust_link(struct eth_device *dev)
802 {
803         struct tsec_private *priv = (struct tsec_private *)dev->priv;
804         volatile tsec_t *regs = priv->regs;
805
806         if (priv->link) {
807                 if (priv->duplexity != 0)
808                         regs->maccfg2 |= MACCFG2_FULL_DUPLEX;
809                 else
810                         regs->maccfg2 &= ~(MACCFG2_FULL_DUPLEX);
811
812                 switch (priv->speed) {
813                 case 1000:
814                         regs->maccfg2 = ((regs->maccfg2 & ~(MACCFG2_IF))
815                                          | MACCFG2_GMII);
816                         break;
817                 case 100:
818                 case 10:
819                         regs->maccfg2 = ((regs->maccfg2 & ~(MACCFG2_IF))
820                                          | MACCFG2_MII);
821
822                         /* Set R100 bit in all modes although
823                          * it is only used in RGMII mode
824                          */
825                         if (priv->speed == 100)
826                                 regs->ecntrl |= ECNTRL_R100;
827                         else
828                                 regs->ecntrl &= ~(ECNTRL_R100);
829                         break;
830                 default:
831                         printf("%s: Speed was bad\n", dev->name);
832                         break;
833                 }
834
835                 printf("Speed: %d, %s duplex\n", priv->speed,
836                        (priv->duplexity) ? "full" : "half");
837
838         } else {
839                 printf("%s: No link.\n", dev->name);
840         }
841 }
842
843 /* Set up the buffers and their descriptors, and bring up the
844  * interface
845  */
846 static void startup_tsec(struct eth_device *dev)
847 {
848         int i;
849         struct tsec_private *priv = (struct tsec_private *)dev->priv;
850         volatile tsec_t *regs = priv->regs;
851
852         /* Point to the buffer descriptors */
853         regs->tbase = (unsigned int)(&rtx.txbd[txIdx]);
854         regs->rbase = (unsigned int)(&rtx.rxbd[rxIdx]);
855
856         /* Initialize the Rx Buffer descriptors */
857         for (i = 0; i < PKTBUFSRX; i++) {
858                 rtx.rxbd[i].status = RXBD_EMPTY;
859                 rtx.rxbd[i].length = 0;
860                 rtx.rxbd[i].bufPtr = (uint) NetRxPackets[i];
861         }
862         rtx.rxbd[PKTBUFSRX - 1].status |= RXBD_WRAP;
863
864         /* Initialize the TX Buffer Descriptors */
865         for (i = 0; i < TX_BUF_CNT; i++) {
866                 rtx.txbd[i].status = 0;
867                 rtx.txbd[i].length = 0;
868                 rtx.txbd[i].bufPtr = 0;
869         }
870         rtx.txbd[TX_BUF_CNT - 1].status |= TXBD_WRAP;
871
872         /* Start up the PHY */
873         if(priv->phyinfo)
874                 phy_run_commands(priv, priv->phyinfo->startup);
875
876         adjust_link(dev);
877
878         /* Enable Transmit and Receive */
879         regs->maccfg1 |= (MACCFG1_RX_EN | MACCFG1_TX_EN);
880
881         /* Tell the DMA it is clear to go */
882         regs->dmactrl |= DMACTRL_INIT_SETTINGS;
883         regs->tstat = TSTAT_CLEAR_THALT;
884         regs->rstat = RSTAT_CLEAR_RHALT;
885         regs->dmactrl &= ~(DMACTRL_GRS | DMACTRL_GTS);
886 }
887
888 /* This returns the status bits of the device.  The return value
889  * is never checked, and this is what the 8260 driver did, so we
890  * do the same.  Presumably, this would be zero if there were no
891  * errors
892  */
893 static int tsec_send(struct eth_device *dev, volatile void *packet, int length)
894 {
895         int i;
896         int result = 0;
897         struct tsec_private *priv = (struct tsec_private *)dev->priv;
898         volatile tsec_t *regs = priv->regs;
899
900         /* Find an empty buffer descriptor */
901         for (i = 0; rtx.txbd[txIdx].status & TXBD_READY; i++) {
902                 if (i >= TOUT_LOOP) {
903                         debug("%s: tsec: tx buffers full\n", dev->name);
904                         return result;
905                 }
906         }
907
908         rtx.txbd[txIdx].bufPtr = (uint) packet;
909         rtx.txbd[txIdx].length = length;
910         rtx.txbd[txIdx].status |=
911             (TXBD_READY | TXBD_LAST | TXBD_CRC | TXBD_INTERRUPT);
912
913         /* Tell the DMA to go */
914         regs->tstat = TSTAT_CLEAR_THALT;
915
916         /* Wait for buffer to be transmitted */
917         for (i = 0; rtx.txbd[txIdx].status & TXBD_READY; i++) {
918                 if (i >= TOUT_LOOP) {
919                         debug("%s: tsec: tx error\n", dev->name);
920                         return result;
921                 }
922         }
923
924         txIdx = (txIdx + 1) % TX_BUF_CNT;
925         result = rtx.txbd[txIdx].status & TXBD_STATS;
926
927         return result;
928 }
929
930 static int tsec_recv(struct eth_device *dev)
931 {
932         int length;
933         struct tsec_private *priv = (struct tsec_private *)dev->priv;
934         volatile tsec_t *regs = priv->regs;
935
936         while (!(rtx.rxbd[rxIdx].status & RXBD_EMPTY)) {
937
938                 length = rtx.rxbd[rxIdx].length;
939
940                 /* Send the packet up if there were no errors */
941                 if (!(rtx.rxbd[rxIdx].status & RXBD_STATS)) {
942                         NetReceive(NetRxPackets[rxIdx], length - 4);
943                 } else {
944                         printf("Got error %x\n",
945                                (rtx.rxbd[rxIdx].status & RXBD_STATS));
946                 }
947
948                 rtx.rxbd[rxIdx].length = 0;
949
950                 /* Set the wrap bit if this is the last element in the list */
951                 rtx.rxbd[rxIdx].status =
952                     RXBD_EMPTY | (((rxIdx + 1) == PKTBUFSRX) ? RXBD_WRAP : 0);
953
954                 rxIdx = (rxIdx + 1) % PKTBUFSRX;
955         }
956
957         if (regs->ievent & IEVENT_BSY) {
958                 regs->ievent = IEVENT_BSY;
959                 regs->rstat = RSTAT_CLEAR_RHALT;
960         }
961
962         return -1;
963
964 }
965
966 /* Stop the interface */
967 static void tsec_halt(struct eth_device *dev)
968 {
969         struct tsec_private *priv = (struct tsec_private *)dev->priv;
970         volatile tsec_t *regs = priv->regs;
971
972         regs->dmactrl &= ~(DMACTRL_GRS | DMACTRL_GTS);
973         regs->dmactrl |= (DMACTRL_GRS | DMACTRL_GTS);
974
975         while (!(regs->ievent & (IEVENT_GRSC | IEVENT_GTSC))) ;
976
977         regs->maccfg1 &= ~(MACCFG1_TX_EN | MACCFG1_RX_EN);
978
979         /* Shut down the PHY, as needed */
980         if(priv->phyinfo)
981                 phy_run_commands(priv, priv->phyinfo->shutdown);
982 }
983
984 struct phy_info phy_info_M88E1149S = {
985         0x1410ca,
986         "Marvell 88E1149S",
987         4,
988         (struct phy_cmd[]){     /* config */
989                 /* Reset and configure the PHY */
990                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
991                 {0x1d, 0x1f, NULL},
992                 {0x1e, 0x200c, NULL},
993                 {0x1d, 0x5, NULL},
994                 {0x1e, 0x0, NULL},
995                 {0x1e, 0x100, NULL},
996                 {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
997                 {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
998                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
999                 {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1000                 {miim_end,}
1001         },
1002         (struct phy_cmd[]){     /* startup */
1003                 /* Status is read once to clear old link state */
1004                 {MIIM_STATUS, miim_read, NULL},
1005                 /* Auto-negotiate */
1006                 {MIIM_STATUS, miim_read, &mii_parse_sr},
1007                 /* Read the status */
1008                 {MIIM_88E1011_PHY_STATUS, miim_read,
1009                  &mii_parse_88E1011_psr},
1010                 {miim_end,}
1011         },
1012         (struct phy_cmd[]){     /* shutdown */
1013                 {miim_end,}
1014         },
1015 };
1016
1017 /* The 5411 id is 0x206070, the 5421 is 0x2060e0 */
1018 struct phy_info phy_info_BCM5461S = {
1019         0x02060c1,      /* 5461 ID */
1020         "Broadcom BCM5461S",
1021         0, /* not clear to me what minor revisions we can shift away */
1022         (struct phy_cmd[]) { /* config */
1023                 /* Reset and configure the PHY */
1024                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1025                 {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
1026                 {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
1027                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1028                 {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1029                 {miim_end,}
1030         },
1031         (struct phy_cmd[]) { /* startup */
1032                 /* Status is read once to clear old link state */
1033                 {MIIM_STATUS, miim_read, NULL},
1034                 /* Auto-negotiate */
1035                 {MIIM_STATUS, miim_read, &mii_parse_sr},
1036                 /* Read the status */
1037                 {MIIM_BCM54xx_AUXSTATUS, miim_read, &mii_parse_BCM54xx_sr},
1038                 {miim_end,}
1039         },
1040         (struct phy_cmd[]) { /* shutdown */
1041                 {miim_end,}
1042         },
1043 };
1044
1045 struct phy_info phy_info_BCM5464S = {
1046         0x02060b1,      /* 5464 ID */
1047         "Broadcom BCM5464S",
1048         0, /* not clear to me what minor revisions we can shift away */
1049         (struct phy_cmd[]) { /* config */
1050                 /* Reset and configure the PHY */
1051                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1052                 {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
1053                 {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
1054                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1055                 {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1056                 {miim_end,}
1057         },
1058         (struct phy_cmd[]) { /* startup */
1059                 /* Status is read once to clear old link state */
1060                 {MIIM_STATUS, miim_read, NULL},
1061                 /* Auto-negotiate */
1062                 {MIIM_STATUS, miim_read, &mii_parse_sr},
1063                 /* Read the status */
1064                 {MIIM_BCM54xx_AUXSTATUS, miim_read, &mii_parse_BCM54xx_sr},
1065                 {miim_end,}
1066         },
1067         (struct phy_cmd[]) { /* shutdown */
1068                 {miim_end,}
1069         },
1070 };
1071
1072 struct phy_info phy_info_M88E1011S = {
1073         0x01410c6,
1074         "Marvell 88E1011S",
1075         4,
1076         (struct phy_cmd[]){     /* config */
1077                            /* Reset and configure the PHY */
1078                            {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1079                            {0x1d, 0x1f, NULL},
1080                            {0x1e, 0x200c, NULL},
1081                            {0x1d, 0x5, NULL},
1082                            {0x1e, 0x0, NULL},
1083                            {0x1e, 0x100, NULL},
1084                            {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
1085                            {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
1086                            {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1087                            {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1088                            {miim_end,}
1089                            },
1090         (struct phy_cmd[]){     /* startup */
1091                            /* Status is read once to clear old link state */
1092                            {MIIM_STATUS, miim_read, NULL},
1093                            /* Auto-negotiate */
1094                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1095                            /* Read the status */
1096                            {MIIM_88E1011_PHY_STATUS, miim_read,
1097                             &mii_parse_88E1011_psr},
1098                            {miim_end,}
1099                            },
1100         (struct phy_cmd[]){     /* shutdown */
1101                            {miim_end,}
1102                            },
1103 };
1104
1105 struct phy_info phy_info_M88E1111S = {
1106         0x01410cc,
1107         "Marvell 88E1111S",
1108         4,
1109         (struct phy_cmd[]){     /* config */
1110                            /* Reset and configure the PHY */
1111                            {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1112                            {0x1b, 0x848f, &mii_m88e1111s_setmode},
1113                            {0x14, 0x0cd2, NULL}, /* Delay RGMII TX and RX */
1114                            {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
1115                            {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
1116                            {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1117                            {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1118                            {miim_end,}
1119                            },
1120         (struct phy_cmd[]){     /* startup */
1121                            /* Status is read once to clear old link state */
1122                            {MIIM_STATUS, miim_read, NULL},
1123                            /* Auto-negotiate */
1124                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1125                            /* Read the status */
1126                            {MIIM_88E1011_PHY_STATUS, miim_read,
1127                             &mii_parse_88E1011_psr},
1128                            {miim_end,}
1129                            },
1130         (struct phy_cmd[]){     /* shutdown */
1131                            {miim_end,}
1132                            },
1133 };
1134
1135 struct phy_info phy_info_M88E1118 = {
1136         0x01410e1,
1137         "Marvell 88E1118",
1138         4,
1139         (struct phy_cmd[]){     /* config */
1140                 /* Reset and configure the PHY */
1141                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1142                 {0x16, 0x0002, NULL}, /* Change Page Number */
1143                 {0x15, 0x1070, NULL}, /* Delay RGMII TX and RX */
1144                 {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
1145                 {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
1146                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1147                 {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1148                 {miim_end,}
1149                 },
1150         (struct phy_cmd[]){     /* startup */
1151                 {0x16, 0x0000, NULL}, /* Change Page Number */
1152                 /* Status is read once to clear old link state */
1153                 {MIIM_STATUS, miim_read, NULL},
1154                 /* Auto-negotiate */
1155                 /* Read the status */
1156                 {MIIM_88E1011_PHY_STATUS, miim_read,
1157                  &mii_parse_88E1011_psr},
1158                 {miim_end,}
1159                 },
1160         (struct phy_cmd[]){     /* shutdown */
1161                 {miim_end,}
1162                 },
1163 };
1164
1165 /*
1166  *  Since to access LED register we need do switch the page, we
1167  * do LED configuring in the miim_read-like function as follows
1168  */
1169 uint mii_88E1121_set_led (uint mii_reg, struct tsec_private *priv)
1170 {
1171         uint pg;
1172
1173         /* Switch the page to access the led register */
1174         pg = read_phy_reg(priv, MIIM_88E1121_PHY_PAGE);
1175         write_phy_reg(priv, MIIM_88E1121_PHY_PAGE, MIIM_88E1121_PHY_LED_PAGE);
1176
1177         /* Configure leds */
1178         write_phy_reg(priv, MIIM_88E1121_PHY_LED_CTRL,
1179                       MIIM_88E1121_PHY_LED_DEF);
1180
1181         /* Restore the page pointer */
1182         write_phy_reg(priv, MIIM_88E1121_PHY_PAGE, pg);
1183         return 0;
1184 }
1185
1186 struct phy_info phy_info_M88E1121R = {
1187         0x01410cb,
1188         "Marvell 88E1121R",
1189         4,
1190         (struct phy_cmd[]){     /* config */
1191                            /* Reset and configure the PHY */
1192                            {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1193                            {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
1194                            {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
1195                            /* Configure leds */
1196                            {MIIM_88E1121_PHY_LED_CTRL, miim_read,
1197                             &mii_88E1121_set_led},
1198                            {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1199                            {miim_end,}
1200                            },
1201         (struct phy_cmd[]){     /* startup */
1202                            /* Status is read once to clear old link state */
1203                            {MIIM_STATUS, miim_read, NULL},
1204                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1205                            {MIIM_STATUS, miim_read, &mii_parse_link},
1206                            {miim_end,}
1207                            },
1208         (struct phy_cmd[]){     /* shutdown */
1209                            {miim_end,}
1210                            },
1211 };
1212
1213 static unsigned int m88e1145_setmode(uint mii_reg, struct tsec_private *priv)
1214 {
1215         uint mii_data = read_phy_reg(priv, mii_reg);
1216
1217         /* Setting MIIM_88E1145_PHY_EXT_CR */
1218         if (priv->flags & TSEC_REDUCED)
1219                 return mii_data |
1220                     MIIM_M88E1145_RGMII_RX_DELAY | MIIM_M88E1145_RGMII_TX_DELAY;
1221         else
1222                 return mii_data;
1223 }
1224
1225 static struct phy_info phy_info_M88E1145 = {
1226         0x01410cd,
1227         "Marvell 88E1145",
1228         4,
1229         (struct phy_cmd[]){     /* config */
1230                            /* Reset the PHY */
1231                            {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1232
1233                            /* Errata E0, E1 */
1234                            {29, 0x001b, NULL},
1235                            {30, 0x418f, NULL},
1236                            {29, 0x0016, NULL},
1237                            {30, 0xa2da, NULL},
1238
1239                            /* Configure the PHY */
1240                            {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
1241                            {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
1242                            {MIIM_88E1011_PHY_SCR, MIIM_88E1011_PHY_MDI_X_AUTO,
1243                             NULL},
1244                            {MIIM_88E1145_PHY_EXT_CR, 0, &m88e1145_setmode},
1245                            {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1246                            {MIIM_CONTROL, MIIM_CONTROL_INIT, NULL},
1247                            {miim_end,}
1248                            },
1249         (struct phy_cmd[]){     /* startup */
1250                            /* Status is read once to clear old link state */
1251                            {MIIM_STATUS, miim_read, NULL},
1252                            /* Auto-negotiate */
1253                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1254                            {MIIM_88E1111_PHY_LED_CONTROL,
1255                             MIIM_88E1111_PHY_LED_DIRECT, NULL},
1256                            /* Read the Status */
1257                            {MIIM_88E1011_PHY_STATUS, miim_read,
1258                             &mii_parse_88E1011_psr},
1259                            {miim_end,}
1260                            },
1261         (struct phy_cmd[]){     /* shutdown */
1262                            {miim_end,}
1263                            },
1264 };
1265
1266 struct phy_info phy_info_cis8204 = {
1267         0x3f11,
1268         "Cicada Cis8204",
1269         6,
1270         (struct phy_cmd[]){     /* config */
1271                            /* Override PHY config settings */
1272                            {MIIM_CIS8201_AUX_CONSTAT,
1273                             MIIM_CIS8201_AUXCONSTAT_INIT, NULL},
1274                            /* Configure some basic stuff */
1275                            {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1276                            {MIIM_CIS8204_SLED_CON, MIIM_CIS8204_SLEDCON_INIT,
1277                             &mii_cis8204_fixled},
1278                            {MIIM_CIS8204_EPHY_CON, MIIM_CIS8204_EPHYCON_INIT,
1279                             &mii_cis8204_setmode},
1280                            {miim_end,}
1281                            },
1282         (struct phy_cmd[]){     /* startup */
1283                            /* Read the Status (2x to make sure link is right) */
1284                            {MIIM_STATUS, miim_read, NULL},
1285                            /* Auto-negotiate */
1286                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1287                            /* Read the status */
1288                            {MIIM_CIS8201_AUX_CONSTAT, miim_read,
1289                             &mii_parse_cis8201},
1290                            {miim_end,}
1291                            },
1292         (struct phy_cmd[]){     /* shutdown */
1293                            {miim_end,}
1294                            },
1295 };
1296
1297 /* Cicada 8201 */
1298 struct phy_info phy_info_cis8201 = {
1299         0xfc41,
1300         "CIS8201",
1301         4,
1302         (struct phy_cmd[]){     /* config */
1303                            /* Override PHY config settings */
1304                            {MIIM_CIS8201_AUX_CONSTAT,
1305                             MIIM_CIS8201_AUXCONSTAT_INIT, NULL},
1306                            /* Set up the interface mode */
1307                            {MIIM_CIS8201_EXT_CON1, MIIM_CIS8201_EXTCON1_INIT,
1308                             NULL},
1309                            /* Configure some basic stuff */
1310                            {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1311                            {miim_end,}
1312                            },
1313         (struct phy_cmd[]){     /* startup */
1314                            /* Read the Status (2x to make sure link is right) */
1315                            {MIIM_STATUS, miim_read, NULL},
1316                            /* Auto-negotiate */
1317                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1318                            /* Read the status */
1319                            {MIIM_CIS8201_AUX_CONSTAT, miim_read,
1320                             &mii_parse_cis8201},
1321                            {miim_end,}
1322                            },
1323         (struct phy_cmd[]){     /* shutdown */
1324                            {miim_end,}
1325                            },
1326 };
1327 struct phy_info phy_info_VSC8244 = {
1328         0x3f1b,
1329         "Vitesse VSC8244",
1330         6,
1331         (struct phy_cmd[]){     /* config */
1332                            /* Override PHY config settings */
1333                            /* Configure some basic stuff */
1334                            {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1335                            {miim_end,}
1336                            },
1337         (struct phy_cmd[]){     /* startup */
1338                            /* Read the Status (2x to make sure link is right) */
1339                            {MIIM_STATUS, miim_read, NULL},
1340                            /* Auto-negotiate */
1341                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1342                            /* Read the status */
1343                            {MIIM_VSC8244_AUX_CONSTAT, miim_read,
1344                             &mii_parse_vsc8244},
1345                            {miim_end,}
1346                            },
1347         (struct phy_cmd[]){     /* shutdown */
1348                            {miim_end,}
1349                            },
1350 };
1351
1352 struct phy_info phy_info_VSC8601 = {
1353                 0x00007042,
1354                 "Vitesse VSC8601",
1355                 4,
1356                 (struct phy_cmd[]){     /* config */
1357                                 /* Override PHY config settings */
1358                                 /* Configure some basic stuff */
1359                                 {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1360 #ifdef CFG_VSC8601_SKEWFIX
1361                                 {MIIM_VSC8601_EPHY_CON,MIIM_VSC8601_EPHY_CON_INIT_SKEW,NULL},
1362 #if defined(CFG_VSC8601_SKEW_TX) && defined(CFG_VSC8601_SKEW_RX)
1363                                 {MIIM_EXT_PAGE_ACCESS,1,NULL},
1364 #define VSC8101_SKEW    (CFG_VSC8601_SKEW_TX<<14)|(CFG_VSC8601_SKEW_RX<<12)
1365                                 {MIIM_VSC8601_SKEW_CTRL,VSC8101_SKEW,NULL},
1366                                 {MIIM_EXT_PAGE_ACCESS,0,NULL},
1367 #endif
1368 #endif
1369                                 {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
1370                                 {MIIM_CONTROL, MIIM_CONTROL_RESTART, &mii_cr_init},
1371                                 {miim_end,}
1372                                  },
1373                 (struct phy_cmd[]){     /* startup */
1374                                 /* Read the Status (2x to make sure link is right) */
1375                                 {MIIM_STATUS, miim_read, NULL},
1376                                 /* Auto-negotiate */
1377                                 {MIIM_STATUS, miim_read, &mii_parse_sr},
1378                                 /* Read the status */
1379                                 {MIIM_VSC8244_AUX_CONSTAT, miim_read,
1380                                                 &mii_parse_vsc8244},
1381                                 {miim_end,}
1382                                 },
1383                 (struct phy_cmd[]){     /* shutdown */
1384                                 {miim_end,}
1385                                 },
1386 };
1387
1388
1389 struct phy_info phy_info_dm9161 = {
1390         0x0181b88,
1391         "Davicom DM9161E",
1392         4,
1393         (struct phy_cmd[]){     /* config */
1394                            {MIIM_CONTROL, MIIM_DM9161_CR_STOP, NULL},
1395                            /* Do not bypass the scrambler/descrambler */
1396                            {MIIM_DM9161_SCR, MIIM_DM9161_SCR_INIT, NULL},
1397                            /* Clear 10BTCSR to default */
1398                            {MIIM_DM9161_10BTCSR, MIIM_DM9161_10BTCSR_INIT,
1399                             NULL},
1400                            /* Configure some basic stuff */
1401                            {MIIM_CONTROL, MIIM_CR_INIT, NULL},
1402                            /* Restart Auto Negotiation */
1403                            {MIIM_CONTROL, MIIM_DM9161_CR_RSTAN, NULL},
1404                            {miim_end,}
1405                            },
1406         (struct phy_cmd[]){     /* startup */
1407                            /* Status is read once to clear old link state */
1408                            {MIIM_STATUS, miim_read, NULL},
1409                            /* Auto-negotiate */
1410                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1411                            /* Read the status */
1412                            {MIIM_DM9161_SCSR, miim_read,
1413                             &mii_parse_dm9161_scsr},
1414                            {miim_end,}
1415                            },
1416         (struct phy_cmd[]){     /* shutdown */
1417                            {miim_end,}
1418                            },
1419 };
1420 /* a generic flavor.  */
1421 struct phy_info phy_info_generic =  {
1422         0,
1423         "Unknown/Generic PHY",
1424         32,
1425         (struct phy_cmd[]) { /* config */
1426                 {PHY_BMCR, PHY_BMCR_RESET, NULL},
1427                 {PHY_BMCR, PHY_BMCR_AUTON|PHY_BMCR_RST_NEG, NULL},
1428                 {miim_end,}
1429         },
1430         (struct phy_cmd[]) { /* startup */
1431                 {PHY_BMSR, miim_read, NULL},
1432                 {PHY_BMSR, miim_read, &mii_parse_sr},
1433                 {PHY_BMSR, miim_read, &mii_parse_link},
1434                 {miim_end,}
1435         },
1436         (struct phy_cmd[]) { /* shutdown */
1437                 {miim_end,}
1438         }
1439 };
1440
1441
1442 uint mii_parse_lxt971_sr2(uint mii_reg, struct tsec_private *priv)
1443 {
1444         unsigned int speed;
1445         if (priv->link) {
1446                 speed = mii_reg & MIIM_LXT971_SR2_SPEED_MASK;
1447
1448                 switch (speed) {
1449                 case MIIM_LXT971_SR2_10HDX:
1450                         priv->speed = 10;
1451                         priv->duplexity = 0;
1452                         break;
1453                 case MIIM_LXT971_SR2_10FDX:
1454                         priv->speed = 10;
1455                         priv->duplexity = 1;
1456                         break;
1457                 case MIIM_LXT971_SR2_100HDX:
1458                         priv->speed = 100;
1459                         priv->duplexity = 0;
1460                         break;
1461                 default:
1462                         priv->speed = 100;
1463                         priv->duplexity = 1;
1464                 }
1465         } else {
1466                 priv->speed = 0;
1467                 priv->duplexity = 0;
1468         }
1469
1470         return 0;
1471 }
1472
1473 static struct phy_info phy_info_lxt971 = {
1474         0x0001378e,
1475         "LXT971",
1476         4,
1477         (struct phy_cmd[]){     /* config */
1478                            {MIIM_CR, MIIM_CR_INIT, mii_cr_init},        /* autonegotiate */
1479                            {miim_end,}
1480                            },
1481         (struct phy_cmd[]){     /* startup - enable interrupts */
1482                            /* { 0x12, 0x00f2, NULL }, */
1483                            {MIIM_STATUS, miim_read, NULL},
1484                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1485                            {MIIM_LXT971_SR2, miim_read, &mii_parse_lxt971_sr2},
1486                            {miim_end,}
1487                            },
1488         (struct phy_cmd[]){     /* shutdown - disable interrupts */
1489                            {miim_end,}
1490                            },
1491 };
1492
1493 /* Parse the DP83865's link and auto-neg status register for speed and duplex
1494  * information
1495  */
1496 uint mii_parse_dp83865_lanr(uint mii_reg, struct tsec_private *priv)
1497 {
1498         switch (mii_reg & MIIM_DP83865_SPD_MASK) {
1499
1500         case MIIM_DP83865_SPD_1000:
1501                 priv->speed = 1000;
1502                 break;
1503
1504         case MIIM_DP83865_SPD_100:
1505                 priv->speed = 100;
1506                 break;
1507
1508         default:
1509                 priv->speed = 10;
1510                 break;
1511
1512         }
1513
1514         if (mii_reg & MIIM_DP83865_DPX_FULL)
1515                 priv->duplexity = 1;
1516         else
1517                 priv->duplexity = 0;
1518
1519         return 0;
1520 }
1521
1522 struct phy_info phy_info_dp83865 = {
1523         0x20005c7,
1524         "NatSemi DP83865",
1525         4,
1526         (struct phy_cmd[]){     /* config */
1527                            {MIIM_CONTROL, MIIM_DP83865_CR_INIT, NULL},
1528                            {miim_end,}
1529                            },
1530         (struct phy_cmd[]){     /* startup */
1531                            /* Status is read once to clear old link state */
1532                            {MIIM_STATUS, miim_read, NULL},
1533                            /* Auto-negotiate */
1534                            {MIIM_STATUS, miim_read, &mii_parse_sr},
1535                            /* Read the link and auto-neg status */
1536                            {MIIM_DP83865_LANR, miim_read,
1537                             &mii_parse_dp83865_lanr},
1538                            {miim_end,}
1539                            },
1540         (struct phy_cmd[]){     /* shutdown */
1541                            {miim_end,}
1542                            },
1543 };
1544
1545 struct phy_info phy_info_rtl8211b = {
1546         0x001cc91,
1547         "RealTek RTL8211B",
1548         4,
1549         (struct phy_cmd[]){     /* config */
1550                 /* Reset and configure the PHY */
1551                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1552                 {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
1553                 {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
1554                 {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
1555                 {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
1556                 {miim_end,}
1557         },
1558         (struct phy_cmd[]){     /* startup */
1559                 /* Status is read once to clear old link state */
1560                 {MIIM_STATUS, miim_read, NULL},
1561                 /* Auto-negotiate */
1562                 {MIIM_STATUS, miim_read, &mii_parse_sr},
1563                 /* Read the status */
1564                 {MIIM_RTL8211B_PHY_STATUS, miim_read, &mii_parse_RTL8211B_sr},
1565                 {miim_end,}
1566         },
1567         (struct phy_cmd[]){     /* shutdown */
1568                 {miim_end,}
1569         },
1570 };
1571
1572 struct phy_info *phy_info[] = {
1573         &phy_info_cis8204,
1574         &phy_info_cis8201,
1575         &phy_info_BCM5461S,
1576         &phy_info_BCM5464S,
1577         &phy_info_M88E1011S,
1578         &phy_info_M88E1111S,
1579         &phy_info_M88E1118,
1580         &phy_info_M88E1121R,
1581         &phy_info_M88E1145,
1582         &phy_info_M88E1149S,
1583         &phy_info_dm9161,
1584         &phy_info_lxt971,
1585         &phy_info_VSC8244,
1586         &phy_info_VSC8601,
1587         &phy_info_dp83865,
1588         &phy_info_rtl8211b,
1589         &phy_info_generic,
1590         NULL
1591 };
1592
1593 /* Grab the identifier of the device's PHY, and search through
1594  * all of the known PHYs to see if one matches.  If so, return
1595  * it, if not, return NULL
1596  */
1597 struct phy_info *get_phy_info(struct eth_device *dev)
1598 {
1599         struct tsec_private *priv = (struct tsec_private *)dev->priv;
1600         uint phy_reg, phy_ID;
1601         int i;
1602         struct phy_info *theInfo = NULL;
1603
1604         /* Grab the bits from PHYIR1, and put them in the upper half */
1605         phy_reg = read_phy_reg(priv, MIIM_PHYIR1);
1606         phy_ID = (phy_reg & 0xffff) << 16;
1607
1608         /* Grab the bits from PHYIR2, and put them in the lower half */
1609         phy_reg = read_phy_reg(priv, MIIM_PHYIR2);
1610         phy_ID |= (phy_reg & 0xffff);
1611
1612         /* loop through all the known PHY types, and find one that */
1613         /* matches the ID we read from the PHY. */
1614         for (i = 0; phy_info[i]; i++) {
1615                 if (phy_info[i]->id == (phy_ID >> phy_info[i]->shift)) {
1616                         theInfo = phy_info[i];
1617                         break;
1618                 }
1619         }
1620
1621         if (theInfo == NULL) {
1622                 printf("%s: PHY id %x is not supported!\n", dev->name, phy_ID);
1623                 return NULL;
1624         } else {
1625                 debug("%s: PHY is %s (%x)\n", dev->name, theInfo->name, phy_ID);
1626         }
1627
1628         return theInfo;
1629 }
1630
1631 /* Execute the given series of commands on the given device's
1632  * PHY, running functions as necessary
1633  */
1634 void phy_run_commands(struct tsec_private *priv, struct phy_cmd *cmd)
1635 {
1636         int i;
1637         uint result;
1638         volatile tsec_t *phyregs = priv->phyregs;
1639
1640         phyregs->miimcfg = MIIMCFG_RESET;
1641
1642         phyregs->miimcfg = MIIMCFG_INIT_VALUE;
1643
1644         while (phyregs->miimind & MIIMIND_BUSY) ;
1645
1646         for (i = 0; cmd->mii_reg != miim_end; i++) {
1647                 if (cmd->mii_data == miim_read) {
1648                         result = read_phy_reg(priv, cmd->mii_reg);
1649
1650                         if (cmd->funct != NULL)
1651                                 (*(cmd->funct)) (result, priv);
1652
1653                 } else {
1654                         if (cmd->funct != NULL)
1655                                 result = (*(cmd->funct)) (cmd->mii_reg, priv);
1656                         else
1657                                 result = cmd->mii_data;
1658
1659                         write_phy_reg(priv, cmd->mii_reg, result);
1660
1661                 }
1662                 cmd++;
1663         }
1664 }
1665
1666 /* Relocate the function pointers in the phy cmd lists */
1667 static void relocate_cmds(void)
1668 {
1669         struct phy_cmd **cmdlistptr;
1670         struct phy_cmd *cmd;
1671         int i, j, k;
1672
1673         for (i = 0; phy_info[i]; i++) {
1674                 /* First thing's first: relocate the pointers to the
1675                  * PHY command structures (the structs were done) */
1676                 phy_info[i] = (struct phy_info *)((uint) phy_info[i]
1677                                                   + gd->reloc_off);
1678                 phy_info[i]->name += gd->reloc_off;
1679                 phy_info[i]->config =
1680                     (struct phy_cmd *)((uint) phy_info[i]->config
1681                                        + gd->reloc_off);
1682                 phy_info[i]->startup =
1683                     (struct phy_cmd *)((uint) phy_info[i]->startup
1684                                        + gd->reloc_off);
1685                 phy_info[i]->shutdown =
1686                     (struct phy_cmd *)((uint) phy_info[i]->shutdown
1687                                        + gd->reloc_off);
1688
1689                 cmdlistptr = &phy_info[i]->config;
1690                 j = 0;
1691                 for (; cmdlistptr <= &phy_info[i]->shutdown; cmdlistptr++) {
1692                         k = 0;
1693                         for (cmd = *cmdlistptr;
1694                              cmd->mii_reg != miim_end;
1695                              cmd++) {
1696                                 /* Only relocate non-NULL pointers */
1697                                 if (cmd->funct)
1698                                         cmd->funct += gd->reloc_off;
1699
1700                                 k++;
1701                         }
1702                         j++;
1703                 }
1704         }
1705
1706         relocated = 1;
1707 }
1708
1709 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) \
1710         && !defined(BITBANGMII)
1711
1712 /*
1713  * Read a MII PHY register.
1714  *
1715  * Returns:
1716  *  0 on success
1717  */
1718 static int tsec_miiphy_read(char *devname, unsigned char addr,
1719                             unsigned char reg, unsigned short *value)
1720 {
1721         unsigned short ret;
1722         struct tsec_private *priv = privlist[0];
1723
1724         if (NULL == priv) {
1725                 printf("Can't read PHY at address %d\n", addr);
1726                 return -1;
1727         }
1728
1729         ret = (unsigned short)tsec_local_mdio_read(priv->phyregs, addr, reg);
1730         *value = ret;
1731
1732         return 0;
1733 }
1734
1735 /*
1736  * Write a MII PHY register.
1737  *
1738  * Returns:
1739  *  0 on success
1740  */
1741 static int tsec_miiphy_write(char *devname, unsigned char addr,
1742                              unsigned char reg, unsigned short value)
1743 {
1744         struct tsec_private *priv = privlist[0];
1745
1746         if (NULL == priv) {
1747                 printf("Can't write PHY at address %d\n", addr);
1748                 return -1;
1749         }
1750
1751         tsec_local_mdio_write(priv->phyregs, addr, reg, value);
1752
1753         return 0;
1754 }
1755
1756 #endif
1757
1758 #ifdef CONFIG_MCAST_TFTP
1759
1760 /* CREDITS: linux gianfar driver, slightly adjusted... thanx. */
1761
1762 /* Set the appropriate hash bit for the given addr */
1763
1764 /* The algorithm works like so:
1765  * 1) Take the Destination Address (ie the multicast address), and
1766  * do a CRC on it (little endian), and reverse the bits of the
1767  * result.
1768  * 2) Use the 8 most significant bits as a hash into a 256-entry
1769  * table.  The table is controlled through 8 32-bit registers:
1770  * gaddr0-7.  gaddr0's MSB is entry 0, and gaddr7's LSB is
1771  * gaddr7.  This means that the 3 most significant bits in the
1772  * hash index which gaddr register to use, and the 5 other bits
1773  * indicate which bit (assuming an IBM numbering scheme, which
1774  * for PowerPC (tm) is usually the case) in the tregister holds
1775  * the entry. */
1776 static int
1777 tsec_mcast_addr (struct eth_device *dev, u8 mcast_mac, u8 set)
1778 {
1779  struct tsec_private *priv = privlist[1];
1780  volatile tsec_t *regs = priv->regs;
1781  volatile u32  *reg_array, value;
1782  u8 result, whichbit, whichreg;
1783
1784         result = (u8)((ether_crc(MAC_ADDR_LEN,mcast_mac) >> 24) & 0xff);
1785         whichbit = result & 0x1f;       /* the 5 LSB = which bit to set */
1786         whichreg = result >> 5;         /* the 3 MSB = which reg to set it in */
1787         value = (1 << (31-whichbit));
1788
1789         reg_array = &(regs->hash.gaddr0);
1790
1791         if (set) {
1792                 reg_array[whichreg] |= value;
1793         } else {
1794                 reg_array[whichreg] &= ~value;
1795         }
1796         return 0;
1797 }
1798 #endif /* Multicast TFTP ? */