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Add a check in the SMC probe to verify that the card has an ethernet

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address that starts with 0000C0xxxxxx.  This prevents the probe code
from finding GUS cards.

Pointed out by: Seppo Kallio <kallio@kanto.cc.jyu.fi>
This commit is contained in:
Martin Renters 1996-06-09 14:44:17 +00:00
parent 2e60812e3a
commit 3042aad3e1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=16253
1 changed files with 4 additions and 0 deletions
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4
sys/i386/boot/netboot/ns8390.c
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@ -75,6 +75,10 @@ eth_probe()
for (eth_asic_base = WD_LOW_BASE; eth_asic_base <= WD_HIGH_BASE;
eth_asic_base += 0x20) {
chksum = 0;
/* Check for WD/SMC card by checking ethernet address */
if (inb(eth_asic_base+8) != 0) continue;
if (inb(eth_asic_base+9) != 0) continue;
if (inb(eth_asic_base+10) != 0xC0) continue;
for (i=8; i<16; i++)
chksum += inb(i+eth_asic_base);
if ((chksum & 0x00FF) == 0x00FF)