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path: root/drivers/net/sungem_phy.c
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Diffstat (limited to 'drivers/net/sungem_phy.c')
-rw-r--r--drivers/net/sungem_phy.c389
1 files changed, 254 insertions, 135 deletions
diff --git a/drivers/net/sungem_phy.c b/drivers/net/sungem_phy.c
index 701ba4f3b69d..56a110ca5e6f 100644
--- a/drivers/net/sungem_phy.c
+++ b/drivers/net/sungem_phy.c
@@ -310,6 +310,107 @@ static int bcm5411_init(struct mii_phy* phy)
310 return 0; 310 return 0;
311} 311}
312 312
313static int genmii_setup_aneg(struct mii_phy *phy, u32 advertise)
314{
315 u16 ctl, adv;
316
317 phy->autoneg = 1;
318 phy->speed = SPEED_10;
319 phy->duplex = DUPLEX_HALF;
320 phy->pause = 0;
321 phy->advertising = advertise;
322
323 /* Setup standard advertise */
324 adv = phy_read(phy, MII_ADVERTISE);
325 adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4);
326 if (advertise & ADVERTISED_10baseT_Half)
327 adv |= ADVERTISE_10HALF;
328 if (advertise & ADVERTISED_10baseT_Full)
329 adv |= ADVERTISE_10FULL;
330 if (advertise & ADVERTISED_100baseT_Half)
331 adv |= ADVERTISE_100HALF;
332 if (advertise & ADVERTISED_100baseT_Full)
333 adv |= ADVERTISE_100FULL;
334 phy_write(phy, MII_ADVERTISE, adv);
335
336 /* Start/Restart aneg */
337 ctl = phy_read(phy, MII_BMCR);
338 ctl |= (BMCR_ANENABLE | BMCR_ANRESTART);
339 phy_write(phy, MII_BMCR, ctl);
340
341 return 0;
342}
343
344static int genmii_setup_forced(struct mii_phy *phy, int speed, int fd)
345{
346 u16 ctl;
347
348 phy->autoneg = 0;
349 phy->speed = speed;
350 phy->duplex = fd;
351 phy->pause = 0;
352
353 ctl = phy_read(phy, MII_BMCR);
354 ctl &= ~(BMCR_FULLDPLX|BMCR_SPEED100|BMCR_ANENABLE);
355
356 /* First reset the PHY */
357 phy_write(phy, MII_BMCR, ctl | BMCR_RESET);
358
359 /* Select speed & duplex */
360 switch(speed) {
361 case SPEED_10:
362 break;
363 case SPEED_100:
364 ctl |= BMCR_SPEED100;
365 break;
366 case SPEED_1000:
367 default:
368 return -EINVAL;
369 }
370 if (fd == DUPLEX_FULL)
371 ctl |= BMCR_FULLDPLX;
372 phy_write(phy, MII_BMCR, ctl);
373
374 return 0;
375}
376
377static int genmii_poll_link(struct mii_phy *phy)
378{
379 u16 status;
380
381 (void)phy_read(phy, MII_BMSR);
382 status = phy_read(phy, MII_BMSR);
383 if ((status & BMSR_LSTATUS) == 0)
384 return 0;
385 if (phy->autoneg && !(status & BMSR_ANEGCOMPLETE))
386 return 0;
387 return 1;
388}
389
390static int genmii_read_link(struct mii_phy *phy)
391{
392 u16 lpa;
393
394 if (phy->autoneg) {
395 lpa = phy_read(phy, MII_LPA);
396
397 if (lpa & (LPA_10FULL | LPA_100FULL))
398 phy->duplex = DUPLEX_FULL;
399 else
400 phy->duplex = DUPLEX_HALF;
401 if (lpa & (LPA_100FULL | LPA_100HALF))
402 phy->speed = SPEED_100;
403 else
404 phy->speed = SPEED_10;
405 phy->pause = 0;
406 }
407 /* On non-aneg, we assume what we put in BMCR is the speed,
408 * though magic-aneg shouldn't prevent this case from occurring
409 */
410
411 return 0;
412}
413
313static int generic_suspend(struct mii_phy* phy) 414static int generic_suspend(struct mii_phy* phy)
314{ 415{
315 phy_write(phy, MII_BMCR, BMCR_PDOWN); 416 phy_write(phy, MII_BMCR, BMCR_PDOWN);
@@ -364,30 +465,6 @@ static int bcm5421_init(struct mii_phy* phy)
364 return 0; 465 return 0;
365} 466}
366 467
367static int bcm5421_enable_fiber(struct mii_phy* phy)
368{
369 /* enable fiber mode */
370 phy_write(phy, MII_NCONFIG, 0x9020);
371 /* LEDs active in both modes, autosense prio = fiber */
372 phy_write(phy, MII_NCONFIG, 0x945f);
373
374 /* switch off fibre autoneg */
375 phy_write(phy, MII_NCONFIG, 0xfc01);
376 phy_write(phy, 0x0b, 0x0004);
377
378 return 0;
379}
380
381static int bcm5461_enable_fiber(struct mii_phy* phy)
382{
383 phy_write(phy, MII_NCONFIG, 0xfc0c);
384 phy_write(phy, MII_BMCR, 0x4140);
385 phy_write(phy, MII_NCONFIG, 0xfc0b);
386 phy_write(phy, MII_BMCR, 0x0140);
387
388 return 0;
389}
390
391static int bcm54xx_setup_aneg(struct mii_phy *phy, u32 advertise) 468static int bcm54xx_setup_aneg(struct mii_phy *phy, u32 advertise)
392{ 469{
393 u16 ctl, adv; 470 u16 ctl, adv;
@@ -515,6 +592,155 @@ static int marvell88e1111_init(struct mii_phy* phy)
515 return 0; 592 return 0;
516} 593}
517 594
595#define BCM5421_MODE_MASK (1 << 5)
596
597static int bcm5421_poll_link(struct mii_phy* phy)
598{
599 u32 phy_reg;
600 int mode;
601
602 /* find out in what mode we are */
603 phy_write(phy, MII_NCONFIG, 0x1000);
604 phy_reg = phy_read(phy, MII_NCONFIG);
605
606 mode = (phy_reg & BCM5421_MODE_MASK) >> 5;
607
608 if ( mode == BCM54XX_COPPER)
609 return genmii_poll_link(phy);
610
611 /* try to find out wether we have a link */
612 phy_write(phy, MII_NCONFIG, 0x2000);
613 phy_reg = phy_read(phy, MII_NCONFIG);
614
615 if (phy_reg & 0x0020)
616 return 0;
617 else
618 return 1;
619}
620
621static int bcm5421_read_link(struct mii_phy* phy)
622{
623 u32 phy_reg;
624 int mode;
625
626 /* find out in what mode we are */
627 phy_write(phy, MII_NCONFIG, 0x1000);
628 phy_reg = phy_read(phy, MII_NCONFIG);
629
630 mode = (phy_reg & BCM5421_MODE_MASK ) >> 5;
631
632 if ( mode == BCM54XX_COPPER)
633 return bcm54xx_read_link(phy);
634
635 phy->speed = SPEED_1000;
636
637 /* find out wether we are running half- or full duplex */
638 phy_write(phy, MII_NCONFIG, 0x2000);
639 phy_reg = phy_read(phy, MII_NCONFIG);
640
641 if ( (phy_reg & 0x0080) >> 7)
642 phy->duplex |= DUPLEX_HALF;
643 else
644 phy->duplex |= DUPLEX_FULL;
645
646 return 0;
647}
648
649static int bcm5421_enable_fiber(struct mii_phy* phy, int autoneg)
650{
651 /* enable fiber mode */
652 phy_write(phy, MII_NCONFIG, 0x9020);
653 /* LEDs active in both modes, autosense prio = fiber */
654 phy_write(phy, MII_NCONFIG, 0x945f);
655
656 if (!autoneg) {
657 /* switch off fibre autoneg */
658 phy_write(phy, MII_NCONFIG, 0xfc01);
659 phy_write(phy, 0x0b, 0x0004);
660 }
661
662 phy->autoneg = autoneg;
663
664 return 0;
665}
666
667#define BCM5461_FIBER_LINK (1 << 2)
668#define BCM5461_MODE_MASK (3 << 1)
669
670static int bcm5461_poll_link(struct mii_phy* phy)
671{
672 u32 phy_reg;
673 int mode;
674
675 /* find out in what mode we are */
676 phy_write(phy, MII_NCONFIG, 0x7c00);
677 phy_reg = phy_read(phy, MII_NCONFIG);
678
679 mode = (phy_reg & BCM5461_MODE_MASK ) >> 1;
680
681 if ( mode == BCM54XX_COPPER)
682 return genmii_poll_link(phy);
683
684 /* find out wether we have a link */
685 phy_write(phy, MII_NCONFIG, 0x7000);
686 phy_reg = phy_read(phy, MII_NCONFIG);
687
688 if (phy_reg & BCM5461_FIBER_LINK)
689 return 1;
690 else
691 return 0;
692}
693
694#define BCM5461_FIBER_DUPLEX (1 << 3)
695
696static int bcm5461_read_link(struct mii_phy* phy)
697{
698 u32 phy_reg;
699 int mode;
700
701 /* find out in what mode we are */
702 phy_write(phy, MII_NCONFIG, 0x7c00);
703 phy_reg = phy_read(phy, MII_NCONFIG);
704
705 mode = (phy_reg & BCM5461_MODE_MASK ) >> 1;
706
707 if ( mode == BCM54XX_COPPER) {
708 return bcm54xx_read_link(phy);
709 }
710
711 phy->speed = SPEED_1000;
712
713 /* find out wether we are running half- or full duplex */
714 phy_write(phy, MII_NCONFIG, 0x7000);
715 phy_reg = phy_read(phy, MII_NCONFIG);
716
717 if (phy_reg & BCM5461_FIBER_DUPLEX)
718 phy->duplex |= DUPLEX_FULL;
719 else
720 phy->duplex |= DUPLEX_HALF;
721
722 return 0;
723}
724
725static int bcm5461_enable_fiber(struct mii_phy* phy, int autoneg)
726{
727 /* select fiber mode, enable 1000 base-X registers */
728 phy_write(phy, MII_NCONFIG, 0xfc0b);
729
730 if (autoneg) {
731 /* enable fiber with no autonegotiation */
732 phy_write(phy, MII_ADVERTISE, 0x01e0);
733 phy_write(phy, MII_BMCR, 0x1140);
734 } else {
735 /* enable fiber with autonegotiation */
736 phy_write(phy, MII_BMCR, 0x0140);
737 }
738
739 phy->autoneg = autoneg;
740
741 return 0;
742}
743
518static int marvell_setup_aneg(struct mii_phy *phy, u32 advertise) 744static int marvell_setup_aneg(struct mii_phy *phy, u32 advertise)
519{ 745{
520 u16 ctl, adv; 746 u16 ctl, adv;
@@ -645,113 +871,6 @@ static int marvell_read_link(struct mii_phy *phy)
645 return 0; 871 return 0;
646} 872}
647 873
648static int genmii_setup_aneg(struct mii_phy *phy, u32 advertise)
649{
650 u16 ctl, adv;
651
652 phy->autoneg = 1;
653 phy->speed = SPEED_10;
654 phy->duplex = DUPLEX_HALF;
655 phy->pause = 0;
656 phy->advertising = advertise;
657
658 /* Setup standard advertise */
659 adv = phy_read(phy, MII_ADVERTISE);
660 adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4);
661 if (advertise & ADVERTISED_10baseT_Half)
662 adv |= ADVERTISE_10HALF;
663 if (advertise & ADVERTISED_10baseT_Full)
664 adv |= ADVERTISE_10FULL;
665 if (advertise & ADVERTISED_100baseT_Half)
666 adv |= ADVERTISE_100HALF;
667 if (advertise & ADVERTISED_100baseT_Full)
668 adv |= ADVERTISE_100FULL;
669 if (advertise & ADVERTISED_Pause)
670 adv |= ADVERTISE_PAUSE_CAP;
671 if (advertise & ADVERTISED_Asym_Pause)
672 adv |= ADVERTISE_PAUSE_ASYM;
673 phy_write(phy, MII_ADVERTISE, adv);
674
675 /* Start/Restart aneg */
676 ctl = phy_read(phy, MII_BMCR);
677 ctl |= (BMCR_ANENABLE | BMCR_ANRESTART);
678 phy_write(phy, MII_BMCR, ctl);
679
680 return 0;
681}
682
683static int genmii_setup_forced(struct mii_phy *phy, int speed, int fd)
684{
685 u16 ctl;
686
687 phy->autoneg = 0;
688 phy->speed = speed;
689 phy->duplex = fd;
690 phy->pause = 0;
691
692 ctl = phy_read(phy, MII_BMCR);
693 ctl &= ~(BMCR_FULLDPLX|BMCR_SPEED100|BMCR_ANENABLE);
694
695 /* First reset the PHY */
696 phy_write(phy, MII_BMCR, ctl | BMCR_RESET);
697
698 /* Select speed & duplex */
699 switch(speed) {
700 case SPEED_10:
701 break;
702 case SPEED_100:
703 ctl |= BMCR_SPEED100;
704 break;
705 case SPEED_1000:
706 default:
707 return -EINVAL;
708 }
709 if (fd == DUPLEX_FULL)
710 ctl |= BMCR_FULLDPLX;
711 phy_write(phy, MII_BMCR, ctl);
712
713 return 0;
714}
715
716static int genmii_poll_link(struct mii_phy *phy)
717{
718 u16 status;
719
720 (void)phy_read(phy, MII_BMSR);
721 status = phy_read(phy, MII_BMSR);
722 if ((status & BMSR_LSTATUS) == 0)
723 return 0;
724 if (phy->autoneg && !(status & BMSR_ANEGCOMPLETE))
725 return 0;
726 return 1;
727}
728
729static int genmii_read_link(struct mii_phy *phy)
730{
731 u16 lpa;
732
733 if (phy->autoneg) {
734 lpa = phy_read(phy, MII_LPA);
735
736 if (lpa & (LPA_10FULL | LPA_100FULL))
737 phy->duplex = DUPLEX_FULL;
738 else
739 phy->duplex = DUPLEX_HALF;
740 if (lpa & (LPA_100FULL | LPA_100HALF))
741 phy->speed = SPEED_100;
742 else
743 phy->speed = SPEED_10;
744 phy->pause = (phy->duplex == DUPLEX_FULL) &&
745 ((lpa & LPA_PAUSE) != 0);
746 }
747 /* On non-aneg, we assume what we put in BMCR is the speed,
748 * though magic-aneg shouldn't prevent this case from occurring
749 */
750
751 return 0;
752}
753
754
755#define MII_BASIC_FEATURES \ 874#define MII_BASIC_FEATURES \
756 (SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | \ 875 (SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | \
757 SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | \ 876 SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | \
@@ -885,8 +1004,8 @@ static struct mii_phy_ops bcm5421_phy_ops = {
885 .suspend = generic_suspend, 1004 .suspend = generic_suspend,
886 .setup_aneg = bcm54xx_setup_aneg, 1005 .setup_aneg = bcm54xx_setup_aneg,
887 .setup_forced = bcm54xx_setup_forced, 1006 .setup_forced = bcm54xx_setup_forced,
888 .poll_link = genmii_poll_link, 1007 .poll_link = bcm5421_poll_link,
889 .read_link = bcm54xx_read_link, 1008 .read_link = bcm5421_read_link,
890 .enable_fiber = bcm5421_enable_fiber, 1009 .enable_fiber = bcm5421_enable_fiber,
891}; 1010};
892 1011
@@ -923,8 +1042,8 @@ static struct mii_phy_ops bcm5461_phy_ops = {
923 .suspend = generic_suspend, 1042 .suspend = generic_suspend,
924 .setup_aneg = bcm54xx_setup_aneg, 1043 .setup_aneg = bcm54xx_setup_aneg,
925 .setup_forced = bcm54xx_setup_forced, 1044 .setup_forced = bcm54xx_setup_forced,
926 .poll_link = genmii_poll_link, 1045 .poll_link = bcm5461_poll_link,
927 .read_link = bcm54xx_read_link, 1046 .read_link = bcm5461_read_link,
928 .enable_fiber = bcm5461_enable_fiber, 1047 .enable_fiber = bcm5461_enable_fiber,
929}; 1048};
930 1049