diff options
| author | Gerhard Wiesinger <lists@wiesinger.com> | 2011-03-05 13:44:39 +0100 |
|---|---|---|
| committer | Blue Swirl <blauwirbel@gmail.com> | 2011-03-05 13:07:25 +0000 |
| commit | 219982ef42154ad58a629f59267797c5454fc742 (patch) | |
| tree | 83a385ea43eb78dd1801a068567cf5171ac0a4a4 | |
| parent | 60c07d933c66c4b30a83b7ccbc8a0cb3df1b2d0e (diff) | |
hw/pcnet.c: Fix EPROM contents to suit AMD netware drivers
bugfix under DOS for AMD netware driver:
AMD PCNTNW Ethernet MLID v3.10 (960115), network card not found
bugfix works well under DOS with:
1.) AMD NDIS driver v2.0.1
2.) AMD PCNTNW Ethernet MLID v3.10 (960115)
3.) Knoppix 6.2
Signed-off-by: Gerhard Wiesinger <lists@wiesinger.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
| -rw-r--r-- | hw/pcnet.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/hw/pcnet.c b/hw/pcnet.c index db52dc59e..6dfdcc420 100644 --- a/hw/pcnet.c +++ b/hw/pcnet.c @@ -1562,8 +1562,24 @@ void pcnet_h_reset(void *opaque) /* Initialize the PROM */ + /* + Datasheet: http://pdfdata.datasheetsite.com/web/24528/AM79C970A.pdf + page 95 + */ memcpy(s->prom, s->conf.macaddr.a, 6); + /* Reserved Location: must be 00h */ + s->prom[6] = s->prom[7] = 0x00; + /* Reserved Location: must be 00h */ + s->prom[8] = 0x00; + /* Hardware ID: must be 11h if compatibility to AMD drivers is desired */ + s->prom[9] = 0x11; + /* User programmable space, init with 0 */ + s->prom[10] = s->prom[11] = 0x00; + /* LSByte of two-byte checksum, which is the sum of bytes 00h-0Bh + and bytes 0Eh and 0Fh, must therefore be initialized with 0! */ s->prom[12] = s->prom[13] = 0x00; + /* Must be ASCII W (57h) if compatibility to AMD + driver software is desired */ s->prom[14] = s->prom[15] = 0x57; for (i = 0,checksum = 0; i < 16; i++) |