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This commit was generated by cvs2svn to compensate for changes in r47145,
which included commits to RCS files with non-trunk default branches.
This commit is contained in:
David E. O'Brien
commit
645cdc12f0
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=47146
@ -23,7 +23,7 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: if_xe.c,v 1.16 1999/03/08 16:28:50 root Exp $
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* $Id: if_xe.c,v 1.17 1999/03/28 20:27:24 scott Exp $
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*/
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/*
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@ -60,28 +60,29 @@
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*/
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/*
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* FreeBSD device driver for Xircom CreditCard PCMCIA Ethernet adapters.
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* The following cards and media are supported (Ethernet part only on the
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* multifunction CEM cards):
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* FreeBSD device driver for Xircom CreditCard PCMCIA Ethernet adapters. The
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* following cards and media are, or will eventually be, supported (Ethernet
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* part only on the multifunction CEM cards):
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* CE2 10BASE-2, 10BASE-T (I think)
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* CEM28 ditto
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* CEM33 ditto
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* CE3 10BASE-T, 100BASE-TX
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* CEM56 ditto
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* RealPort ditto
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* Some Compaq and Intel cards using the Xircom hardware are also known to
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* Compaq and Intel cards using the Xircom CE3 hardware are also known to
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* work. See the website for full details of supported hardware.
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*
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* <Acknowledgements to go here>
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* Thanks to all who assisted with the development and testing of the driver,
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* especially: Werner Koch, Duke Kamstra, Duncan Barclay, Ade Lovett, Jason
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* George, Dru Nelson, Mike Kephart, Bill Rainey and Douglas Rand. Apologies
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* if I've left out anyone who deserves a mention here.
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*
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* The web page for the driver is located at:
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* http://www.dcs.qmw.ac.uk/~scott/xe_drv/
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* Check here first for new releases, bug fixes, etc.
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* Driver web page: http://www.freebsd-uk.eu.org/~scott/xe_drv/
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*
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* Please send all feedback, bug reports, patches, etc. to
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* <scott@dcs.qmw.ac.uk>. Mail with the tag "[XE]" in the subject line will
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* be automatically filed in an appropriate folder where I'm more likely to
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* see it and respond promptly.
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* Mailing list: http://www.lovett.com/lists/freebsd-xircom/
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* or send "subscribe freebsd-xircom" to <majordomo@lovett.com>
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*
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* Author email: <scott@freebsd-uk.eu.org>
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*/
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#define XE_DEBUG 1
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@ -303,6 +304,9 @@ struct isa_driver xedriver = {
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*/
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static int
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xe_probe (struct isa_device *dev) {
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#ifdef XE_DEBUG
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printf("xe: probe\n");
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#endif
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bzero(sca, MAXSLOT * sizeof(sca[0]));
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return 0;
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}
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@ -383,6 +387,7 @@ xe_card_init(struct pccard_devinfo *devi)
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* XXX - If the stuff we need isn't in attribute memory, or (worse yet)
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* XXX - attribute memory isn't mapped, we're FUBAR. Maybe need to do an
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* XXX - ioctl on the card device and follow links?
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* XXX - Not really the driver's problem, PCCARD should handle all this!
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*/
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if ((rc = cdevsw[CARD_MAJOR]->d_read(makedev(CARD_MAJOR, devi->slt->slotnum), &uios, 0)) == 0) {
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@ -942,7 +947,7 @@ xe_card_intr(struct pccard_devinfo *devi) {
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* any outstanding collisions count will be held against the next
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* frame to be successfully sent. Hopefully it averages out in the
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* end!
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* XXX - This will screw up if tx_collisions/sent > 14.
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* XXX - This will screw up if tx_collisions/sent > 14. FIX IT!
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*/
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switch (scp->tx_collisions) {
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case 0:
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@ -1065,10 +1070,13 @@ xe_card_intr(struct pccard_devinfo *devi) {
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int i;
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/*
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* XXX - this i-- seems very wrong, but it's what the Linux guys
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* XXX - This i-- seems very wrong, but it's what the Linux guys
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* XXX - do. Need someone with an old CE2 to test this for me.
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* XXX - 99/3/28: Changed the first i-- to an i++, maybe that'll
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* XXX - fix it? It seems as though the previous version would
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* XXX - have caused an infinite loop (what, another one?).
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*/
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for (i = 0; i < len; i--, rhs++) {
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for (i = 0; i < len; i++, rhs++) {
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((char *)ehp)[i] = XE_INB(XE_EDP);
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if (rhs = 0x8000) {
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rhs = 0;
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@ -1139,7 +1147,7 @@ xe_card_intr(struct pccard_devinfo *devi) {
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XE_SELECT_PAGE(psr); /* Restore saved page */
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XE_OUTB(XE_CR, XE_CR_ENABLE_INTR); /* Re-enable interrupts */
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/* XXX - Maybe force an int here, instead of dropping packets? */
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/* XXX - Could force an int here, instead of dropping packets? */
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/* XXX - XE_OUTB(XE_CR, XE_CR_ENABLE_INTR|XE_CE_FORCE_INTR); */
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return result;
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@ -1216,7 +1224,7 @@ xe_media_status(struct ifnet *ifp, struct ifmediareq *mrp) {
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*/
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static void xe_setmedia(void *xscp) {
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struct xe_softc *scp = xscp;
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u_int16_t bmcr, bmsr, anar, lpar, aner;
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u_int16_t bmcr, bmsr, anar, lpar;
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#ifdef XE_DEBUG
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printf("xe%d: setmedia\n", scp->unit);
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@ -1319,10 +1327,24 @@ static void xe_setmedia(void *xscp) {
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scp->autoneg_status = XE_AUTONEG_NONE;
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}
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else {
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/*
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* XXX - Bit of a hack going on in here.
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* XXX - This is derived from Ken Hughes patch to the Linux driver
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* XXX - to make it work with 10Mbit _autonegotiated_ links on CE3B
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* XXX - cards. What's a CE3B and how's it differ from a plain CE3?
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* XXX - these are the things we need to find out.
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*/
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xe_phy_writereg(scp, PHY_BMCR, 0x0000);
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XE_SELECT_PAGE(2);
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XE_OUTB(XE_MSR, XE_INB(XE_MSR) & ~0x08); /* Disable PHY? */
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scp->autoneg_status = XE_AUTONEG_FAIL;
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/* BEGIN HACK */
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XE_OUTB(XE_MSR, XE_INB(XE_MSR) | 0x08);
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XE_SELECT_PAGE(0x42);
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XE_OUTB(XE_SWC1, 0x80);
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scp->media = IFM_ETHER|IFM_10_T;
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scp->autoneg_status = XE_AUTONEG_NONE;
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/* END HACK */
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/*XE_OUTB(XE_MSR, XE_INB(XE_MSR) & ~0x08);*/ /* Disable PHY? */
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/*scp->autoneg_status = XE_AUTONEG_FAIL;*/
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}
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}
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else {
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@ -1558,7 +1580,10 @@ xe_soft_reset(struct xe_softc *scp) {
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scp->srev = (XE_INB(XE_BOV) & 0x70) >> 4;
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else
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scp->srev = (XE_INB(XE_BOV) & 0x30) >> 4;
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#ifdef XE_DEBUG
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printf("xe%d: silicon revision = %d\n", scp->unit, scp->srev);
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#endif
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/*
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* Shut off interrupts.
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*/
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@ -1692,10 +1717,12 @@ xe_setmulti(struct xe_softc *scp) {
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* Program the filters for up to 9 addresses
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*/
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XE_SELECT_PAGE(0x42);
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XE_OUTB(XE_SWC1, 0);
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XE_OUTB(XE_SWC1, 0x01);
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XE_SELECT_PAGE(0x40);
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XE_OUTB(XE_OCR, XE_OCR_OFFLINE);
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/*xe_reg_dump(scp);*/
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xe_setaddrs(scp);
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/*xe_reg_dump(scp);*/
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XE_SELECT_PAGE(0x40);
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XE_OUTB(XE_OCR, XE_OCR_RX_ENABLE|XE_OCR_ONLINE);
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}
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@ -1714,9 +1741,11 @@ xe_setmulti(struct xe_softc *scp) {
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* Set up all on-chip addresses (for multicast). AFAICS, there are 10
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* of these things; the first is our MAC address, the other 9 are mcast
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* addresses, padded with the MAC address if there aren't enough.
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* XXX - I think the Linux code gets this wrong and only writes one byte for
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* XXX - each address. I *think* this code does it right, but it needs more
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* XXX - intensive testing to be sure.
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* XXX - This doesn't work right, but I'm not sure why yet. We seem to be
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* XXX - doing much the same as the Linux code, which is weird enough that
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* XXX - it's probably right (despite my earlier comments to the contrary).
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* XXX - I wonder if this thing has a multicast hash filter like most other
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* XXX - Ethernet hardware seems to?
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*/
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static void
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xe_setaddrs(struct xe_softc *scp) {
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@ -1742,6 +1771,12 @@ xe_setaddrs(struct xe_softc *scp) {
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}
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for (i = 0; i < 6; i++, byte++) {
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#ifdef XE_DEBUG
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if (i)
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printf(":%x", addr[i]);
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else
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printf("xe%d: individual addresses %d: %x", scp->unit, slot, addr[0]);
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#endif
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if (byte > 15) {
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page++;
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@ -1754,7 +1789,11 @@ xe_setaddrs(struct xe_softc *scp) {
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else
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XE_OUTB(byte, addr[i]);
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}
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#ifdef XE_DEBUG
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printf("\n");
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#endif
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}
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XE_SELECT_PAGE(0);
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}
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@ -2131,10 +2170,16 @@ xe_phy_writereg(struct xe_softc *scp, u_int16_t reg, u_int16_t data) {
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#ifdef XE_DEBUG
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/*
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* A bit of debugging code.
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*/
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static void
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xe_mii_dump(struct xe_softc *scp) {
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int i, unit = scp->dev->id_unit;
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int i, s;
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s = splimp();
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printf("xe%d: MII registers: ", scp->unit);
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for (i = 0; i < 2; i++) {
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printf(" %d:%04x", i, xe_phy_readreg(scp, i));
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}
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@ -2142,21 +2187,24 @@ xe_mii_dump(struct xe_softc *scp) {
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printf(" %d:%04x", i, xe_phy_readreg(scp, i));
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}
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printf("\n");
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(void)splx(s);
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}
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static void
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xe_reg_dump(struct xe_softc *scp) {
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int unit = scp->dev->id_unit;
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int page, i;
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int page, i, s;
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printf("xe%d: Common registers: ", unit);
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s = splimp();
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printf("xe%d: Common registers: ", scp->unit);
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for (i = 0; i < 8; i++) {
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printf(" %2.2x", XE_INB(i));
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}
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printf("\n");
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for (page = 0; page < 8; page++) {
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printf("xe%d: Register page %2.2x: ", unit, page);
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for (page = 0; page <= 8; page++) {
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printf("xe%d: Register page %2.2x: ", scp->unit, page);
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XE_SELECT_PAGE(page);
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for (i = 8; i < 16; i++) {
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printf(" %2.2x", XE_INB(i));
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@ -2164,16 +2212,21 @@ xe_reg_dump(struct xe_softc *scp) {
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printf("\n");
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}
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for (page = 0x40; page < 0x5f; page++) {
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if (page==0x43 || (page>=0x46 && page<=0x4f) || (page>=0x51 && page<=0x5e))
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for (page = 0x10; page < 0x5f; page++) {
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if ((page >= 0x11 && page <= 0x3f) ||
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(page == 0x41) ||
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(page >= 0x43 && page <= 0x4f) ||
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(page >= 0x59))
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continue;
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printf("xe%d: Register page %2.2x: ", unit, page);
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printf("xe%d: Register page %2.2x: ", scp->unit, page);
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XE_SELECT_PAGE(page);
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for (i = 8; i < 16; i++) {
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printf(" %2.2x", XE_INB(i));
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}
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printf("\n");
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}
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(void)splx(s);
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}
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#endif
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