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authorjlemon <jlemon@FreeBSD.org>2001-03-16 14:17:02 +0000
committerjlemon <jlemon@FreeBSD.org>2001-03-16 14:17:02 +0000
commit0a2333e2ea8cf9131b2dbceb3a6a587585aa5859 (patch)
tree5ed44d39f1d8d2a33e61654066346341404ad812
parent97b1481159ea7816c903896e2131f1d8eb725fb8 (diff)
downloadFreeBSD-src-0a2333e2ea8cf9131b2dbceb3a6a587585aa5859.zip
FreeBSD-src-0a2333e2ea8cf9131b2dbceb3a6a587585aa5859.tar.gz
Enable some undocumented bits in the DP83840 PHY, which is needed
when using it with the Intel fxp driver. Tested by: peter, Ollivier Robert <roberto@eurocontrol.fr>, Peter Schultz <pete@jocose.org>
-rw-r--r--sys/dev/mii/nsphy.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/sys/dev/mii/nsphy.c b/sys/dev/mii/nsphy.c
index f686624..37f3e9c 100644
--- a/sys/dev/mii/nsphy.c
+++ b/sys/dev/mii/nsphy.c
@@ -264,17 +264,20 @@ nsphy_service(sc, mii, cmd)
*/
reg |= PCR_FLINK100;
-#if 0
/*
* Mystery bits which are supposedly `reserved',
* but we seem to need to set them when the PHY
- * is connected to some interfaces!
+ * is connected to some interfaces:
+ *
+ * 0x0400 is needed for fxp
+ * (Intel EtherExpress Pro 10+/100B, 82557 chip)
+ * (nsphy with a DP83840 chip)
+ * 0x0100 may be needed for some other card
*/
reg |= 0x0100 | 0x0400;
-#endif
-/*
+
PHY_WRITE(sc, MII_NSPHY_PCR, reg);
-*/
+
switch (IFM_SUBTYPE(ife->ifm_media)) {
case IFM_AUTO:
/*
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