Re: PCI Express or TG3 issue

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>>>>> On Wed, 21 Sep 2005 11:11:51 -0700, [email protected] said:

thockin> This device is claiming that it has a 64-bit base-address
thockin> which has been programmed by BIOS to be at
thockin> 0x80000001d0000000.

thockin> I suspect that the 4 bytes at offset 0x14 want to be 0.  The
thockin> address 0xd0000000 jives with the rest of your PCI listing.

thockin> I don't know where that extra 0x80000001 comes from, but it's
thockin> pretty clearly wrong.  BIOS bug?  I can't see where kernel
thockin> would have boned that up *that* badly.

I also have seen same problem on some custom MIPS-based boards which
do not have BIOS.  Broadcom BCM5751 had garbage in its 64-bit BAR on
power-up.  So it should not be a BIOS bug.  And I also could not find
any good place to fixup it at that time.

---
Atsushi Nemoto
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