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hw/pcnet.c: Fix EPROM contents to suit AMD netware drivers

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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>
This commit is contained in:
Gerhard Wiesinger 2011-03-05 13:44:39 +01:00 committed by Blue Swirl
parent 60c07d933c
commit 219982ef42
1 changed files with 16 additions and 0 deletions
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16
hw/pcnet.c
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@ -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++)