[src/trunk]: src/sys/dev/pci While DM9102A boards tend to have ISV-format SRO...

[thorpej <thorpej%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/2291a312e944
branches:  trunk
changeset: 486714:2291a312e944
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Sat May 27 19:42:06 2000 +0000

description:
While DM9102A boards tend to have ISV-format SROMs (likely to describe
the HomePNA PHY typically connected to the external MII interface),
DM9102 implementations (often found on motherboards) do not.  Handle
this.

diffstat:

 sys/dev/pci/if_tlp_pci.c |  25 +++++++++++++++++--------
 1 files changed, 17 insertions(+), 8 deletions(-)

diffs (42 lines):

diff -r 576861e06538 -r 2291a312e944 sys/dev/pci/if_tlp_pci.c
--- a/sys/dev/pci/if_tlp_pci.c  Sat May 27 19:12:03 2000 +0000
+++ b/sys/dev/pci/if_tlp_pci.c  Sat May 27 19:42:06 2000 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_tlp_pci.c,v 1.38 2000/05/26 16:38:14 thorpej Exp $  */
+/*     $NetBSD: if_tlp_pci.c,v 1.39 2000/05/27 19:42:06 thorpej Exp $  */
 
 /*-
  * Copyright (c) 1998, 1999, 2000 The NetBSD Foundation, Inc.
@@ -822,16 +822,25 @@
 
        case TULIP_CHIP_DM9102:
        case TULIP_CHIP_DM9102A:
-               if (tlp_isv_srom_enaddr(sc, enaddr)) {
-                       printf("%s: SROM not in ISV format\n",
-                           sc->sc_dev.dv_xname);
-                       goto cant_cope;
-               }
+               /*
+                * Some boards with the Davicom chip have an ISV
+                * SROM (mostly DM9102A boards -- trying to describe
+                * the HomePNA PHY, probably) although the data in
+                * them is generally wrong.  Check for ISV format
+                * and grab the Ethernet address that way, and if
+                * that fails, fall back on grabbing it from an
+                * observed offset of 20 (which is where it would
+                * be in an ISV SROM anyhow, tho ISV can cope with
+                * multi-port boards).
+                */
+               if (tlp_isv_srom_enaddr(sc, enaddr))
+                       memcpy(enaddr, &sc->sc_srom[20], ETHER_ADDR_LEN);
 
                /*
                 * Davicom chips all have an internal MII interface
-                * and a built-in PHY.  DM9102A also has a HomePNA
-                * interface on an external MII interface.
+                * and a built-in PHY.  DM9102A also has a an external
+                * MII interface, usually with a HomePNA PHY attached
+                * to it.
                 */
                sc->sc_mediasw = &tlp_dm9102_mediasw;
                break;