[PXA320] How to find I/O registers, base address of ASIX ethernet chip?

Uwe Kleine-König u.kleine-koenig at pengutronix.de
Mon Feb 8 04:13:48 EST 2010


On Mon, Feb 08, 2010 at 11:59:20AM +0300, Dennis Semakin wrote:
> Hello
> 
> >  > In U-BOOT:
> >  > 
> >  > MSC1 (address 0x4a00000c) - 0x0779
> >  > $ md.w 0x4a00000c
> >  > 4a00000c: 0779 0000 0000 0000 0000 0000 0000 0000 y...............
> >  > 4a00001c: 0008 0000 0000 0000 0000 0000 0000 0000 ................
> >  > 4a00002c: 0000 0000 0000 0000 0000 0000 0000 0000 ................
> >  > 4a00003c: 0000 0000 0000 0000 0000 0000 0000 0000 ................
> >  > 
> >  > CSADRCFG2 (address 0x4a000088) - 0032c809
> >  > $ md.l 0x4a000088
> >  > 4a000088: 0032c809 00020000 00020000 00000000 ..2.............
> >  > 4a000098: 00000000 00000000 00000000 00000000 ................
> >  > 4a0000a8: 00000000 00000000 00000000 00000000 ................
> >  > 4a0000b8: 00000000 00000000 00000000 00000000 ................
> >  > 4a0000c8: 00000000 00000000 00000000 00000000 ................
> >  
> >  Can you access 0x1000_0000 from U-Boot? Did you switch on the clock for
> >  the static bus? This is also not done by the kernel currently.
> >  
> >  Daniel
> >  
> >  
> 
> No, I cannot access 0x1000_0000 from U-Boot. The system hangs, when I access to this address
This sounds like a missing clock.  Ah, and Daniel already asked that,
too: "Did you switch on the clock for the static bus?"

Best regards
Uwe

-- 
Pengutronix e.K.                              | Uwe Kleine-König            |
Industrial Linux Solutions                    | http://www.pengutronix.de/  |



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