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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.
This commit is contained in:
thorpej 2000-05-27 19:42:06 +00:00
parent e9b5b7aa5e
commit 3a4393ff92
1 changed files with 17 additions and 8 deletions
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25
sys/dev/pci/if_tlp_pci.c
View File

@ -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 @@ tlp_pci_attach(parent, self, aux)
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;