Dinesh Bhat schrieb:
This probably means mapping the BARs were unsuccessful.
Okay, so the PCI memory couldn't be mapped correctly into the
kernel's,right ?
Well, that's bad. I guess. Shouldn't the driver know all about this?
You should look into ioremap_nocache more carefully within your driver.
Actually I am simply trying to use the Ethernet device not mess around
with her driver.
Anyway I couldn't find further information regarding hardware specific
details of the card.
Is there a way I can somehow get more information myself directly from
the card besides "lspci" (some kind of sw-tool)?
Greetings,
Thomas
Thomas Häberle wrote:
Hi!
I'm working with a MPC5200 on an STK52xx (TQ components) using the
Linux_2_4_devel Kernel from the DENX site.
Currently I have trouble getting my Kernel to accept the PCI Ethernet
card in the PCI slot (well, where else? newbie != dummy ;-)
The card is a Netgear FA311 with an DP831 chip on it, thus I have to
use the "National Semiconductor DP8381x series PCI Ethernet support"
in my Kernel configuration, right?
Well, checked it, built the Kernel, it boots, everything flawless,
except the little fact I can't get the card working.
An "lspci -vvv" states:
>>>
00:1a.0 Class 0680: 1057:5809
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=medium
>TAbort- <TAbort- <MAbort+ >SERR- <PERR-
Latency: 248, cache line size 08
Region 0: Memory at <ignored> (32-bit, non-prefetchable)
[size=256K]
Region 1: Memory at <unassigned> (32-bit, prefetchable)
[size=1024M]
<<<
so the card is recognized somehow, but "ifconfig -a" shows only the
onboard Ethernet device.
During boot the Kernel says:
>>>
[...]
POSIX conformance testing by UNIFIX
PCI: Probing PCI hardware
PCI: Cannot allocate resource region 0 of device 00:1a.0
Linux NET4.0 for Linux 2.4
[...]
<<<
Does this mean the Kernel doesn't no where to start up the device or
what do do with it?
Shouldn't the built-in device driver tell him what to do?
Or is the problem earlier and he doesn't understand that the PCI
device is the very Ethernet device for which he has a suitable driver?
Any ideas or helpfull hints?
Thanks and greetings,
Thomas
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