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authorJason Wright <jason@cvs.openbsd.org>1998-09-24 22:16:38 +0000
committerJason Wright <jason@cvs.openbsd.org>1998-09-24 22:16:38 +0000
commit241a49b12b2f6c47b03b706b5f5d3a689d62ed6d (patch)
tree9be6bae08ef2ff67548f2309a57cff4a6ec6560f /sys/arch/sparc/dev/hme.c
parente457ba1552d6a06e25e1d002b83c26e614106aba (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.c79
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 */
}