problems with pci bus on a pm520 board

Luotao Fu devtty0 at gmail.com
Thu Mar 1 10:33:53 EST 2007


Hi,

Segher Boessenkool wrote:
>> 11.* is the usb controller
> 
> Three OHCIs or is one an EHCI?

exactly, two ohci and one ehci.

> 
> 
> 32-bit PCI read I suppose.  Use the BDI to figure out what
> address is accessed, and what source code corresponds to
> this access.

right, I'll take a look as soon as I can grab the bdi.

> 
>> The funny thing is that the e100
>> driver also does some reading calls on iomem in the initialisation, such
>> as readb() in e100_eeprom_read(). It however doesn't cause system
>> freezing and the driver quits with an error message that the eeprom is
>> corrupted. I suppose the problem is somehow still on the pci
>> configuration in the device tree.
> 
> Linux normally is perfectly happy if you leave out all of
> the PCI devices from your device tree (except the root
> bridges of course).

I didn't make any extra entry for the pci devices.

> 
> 
>> Along with this mail I attached my dts file.
> 
> No you didn't.

Ooops. sorry. I'll attach it to this mail.

> 
> 
> Segher
> 
> 

P.S
forgot the cc in my first reply mail, sorry for double posting Segher.
It's getting late here.....
;-)

Thanx
Cheers
Luotao Fu

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