diff options
author | Jason Wright <jason@cvs.openbsd.org> | 1998-09-24 22:16:38 +0000 |
---|---|---|
committer | Jason Wright <jason@cvs.openbsd.org> | 1998-09-24 22:16:38 +0000 |
commit | 241a49b12b2f6c47b03b706b5f5d3a689d62ed6d (patch) | |
tree | 9be6bae08ef2ff67548f2309a57cff4a6ec6560f /sys/arch/sparc/dev/hme.c | |
parent | e457ba1552d6a06e25e1d002b83c26e614106aba (diff) |
o If using the serial phy interface and an bad phy addr is requested, make
sure to return all zeros.
o updated acknowlegements
Diffstat (limited to 'sys/arch/sparc/dev/hme.c')
-rw-r--r-- | sys/arch/sparc/dev/hme.c | 79 |
1 files changed, 45 insertions, 34 deletions
diff --git a/sys/arch/sparc/dev/hme.c b/sys/arch/sparc/dev/hme.c index 341b3903e7f..954edaa4401 100644 --- a/sys/arch/sparc/dev/hme.c +++ b/sys/arch/sparc/dev/hme.c @@ -1,4 +1,4 @@ -/* $OpenBSD: hme.c,v 1.10 1998/09/16 22:02:05 jason Exp $ */ +/* $OpenBSD: hme.c,v 1.11 1998/09/24 22:16:37 jason Exp $ */ /* * Copyright (c) 1998 Jason L. Wright (jason@thought.net) @@ -35,6 +35,10 @@ * Driver for the Happy Meal (hme) ethernet boards * Based on information gleaned from reading the * S/Linux driver by David Miller + * + * Thanks go to the Univeristy of North Carolina at Greensboro Systems + * and Networks Department for some of the resources used to develop + * this driver. */ #include <sys/param.h> @@ -621,37 +625,6 @@ hme_poll_stop(sc) DELAY(200); } -/* - * Writing to the serial BitBang, is a matter of putting the bit - * into the data register, then strobing the clock. - */ -static void -hme_tcvr_bb_writeb(sc, b) - struct hme_softc *sc; - int b; -{ - sc->sc_tcvr->bb_data = b & 0x1; - sc->sc_tcvr->bb_clock = 0; - sc->sc_tcvr->bb_clock = 1; -} - -static int -hme_tcvr_bb_readb(sc, phy) - struct hme_softc *sc; - int phy; -{ - int ret; - - sc->sc_tcvr->bb_clock = 0; - DELAY(10); - if (phy == TCVR_PHYADDR_ITX) - ret = sc->sc_tcvr->cfg & TCVR_CFG_MDIO0; - if (phy == TCVR_PHYADDR_ETX) - ret = sc->sc_tcvr->cfg & TCVR_CFG_MDIO1; - sc->sc_tcvr->bb_clock = 1; - return ((ret) ? 1 : 0); -} - #define RESET_TRIES 32 static void @@ -1057,6 +1030,46 @@ hme_mcreset(sc) } } +/* + * Writing to the serial BitBang, is a matter of putting the bit + * into the data register, then strobing the clock. + */ +static void +hme_tcvr_bb_writeb(sc, b) + struct hme_softc *sc; + int b; +{ + sc->sc_tcvr->bb_data = b & 0x1; + sc->sc_tcvr->bb_clock = 0; + sc->sc_tcvr->bb_clock = 1; +} + +/* + * Read a bit from a PHY, if the PHY is not our internal or external + * phy addr, just return all zero's. + */ +static int +hme_tcvr_bb_readb(sc, phy) + struct hme_softc *sc; + int phy; +{ + int ret; + + sc->sc_tcvr->bb_clock = 0; + DELAY(10); + + if (phy == TCVR_PHYADDR_ITX) + ret = sc->sc_tcvr->cfg & TCVR_CFG_MDIO0; + else if (phy == TCVR_PHYADDR_ETX) + ret = sc->sc_tcvr->cfg & TCVR_CFG_MDIO1; + else + ret = 0; + + sc->sc_tcvr->bb_clock = 1; + + return ((ret) ? 1 : 0); +} + static void hme_mii_write(self, phy, reg, val) struct device *self; @@ -1187,6 +1200,4 @@ hme_mii_statchg(self) cr->tx_cfg |= CR_TXCFG_FULLDPLX; else cr->tx_cfg &= ~CR_TXCFG_FULLDPLX; - - /* XXX Update ifp->if_baudrate */ } |