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SubjectRe: Vortex86SX: only works with irqpoll
On Dienstag, 24. November 2009, Otavio Salvador wrote:
> Hello Juergen,
>
> On Tue, Nov 24, 2009 at 9:31 AM, Otavio Salvador
>
> <otavio@ossystems.com.br> wrote:
> > I'll take a look on the dmesg output and see if I see something
> > interesting :-)
>
> In fact I did find some interesting issues. First:
>
> PCI: Probing PCI hardware
> pci 0000:00:07.0: default IRQ router [17f3:6031]
> pci 0000:00:0a.0: BAR 0: address space collision on of device
> [0x0e2000-0x0e2fff]
> pci 0000:00:0a.0: BAR 0: can't allocate resource
> pci 0000:00:0a.1: BAR 0: address space collision on of device
> [0x0e3000-0x0e30ff]
> pci 0000:00:0a.1: BAR 0: can't allocate resource
> pci 0000:00:0b.0: BAR 0: address space collision on of device
> [0x0e0000-0x0e0fff]
> pci 0000:00:0b.0: BAR 0: can't allocate resource
> pci 0000:00:0b.1: BAR 0: address space collision on of device
> [0x0e1000-0x0e10ff]
> pci 0000:00:0b.1: BAR 0: can't allocate resource
> NET: Registered protocol family 2
>
> This is the same collision I have. Another interesting issue is that
> your disk is using the USB bus while mine uses IT821x.

Yes, our system starts from a fixed soldered USB based disk.

> Is your network working? mine does not (inside of Linux but does for
> tftp booting).

Based on a "RDC R6040 Fast Ethernet Adapter" and the kernel states:

[...]
r6040: RDC R6040 NAPI net driver,version 0.24 (08Jul2009)
[...]

Runs with NFS and without any 'irqpoll' trick. (here the modul:
http://www.ssv-comm.de/en/products/esom2586.php)

jbe

--
Pengutronix e.K. | Juergen Beisert |
Linux Solutions for Science and Industry | Phone: +49-8766-939 228 |
Vertretung Sued/Muenchen, Germany | Fax: +49-5121-206917-5555 |
Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de/ |

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