Re: s3c6410 and DM9000 problem

[Craig Matsuura <cmatsuura@xxxxxxxxxxxx>]

Did you check your MAC address and make sure it is valid.  My understanding is if you have certain bits set in the address you can not ping a device.

If invalid usually this can be seen in the kernel messages (dmesg).

Craig

On Wednesday 09 September 2009 5:17:57 am Vitaliy Stolyarov wrote:
> Hi all,
> 
> I am working with s3c6410 based board (with linux 2.6.28.6). I am using DM9000E chip as ethernet connected to 16 bit data bus (SROM_BC1).  
> 
> In u-boot ethernet works fine. 
> But in the linux kernel (with the same SROM controller settings ) ethernet works unstable and very strange:
> 
> In interrupt handler (dm9000_interrupt) received interrupt status has the value which not documented  in DM9000 manual:
> 	int_status = 0xFE.
> 
> After receiving interrupt with status (0xFE) I can't yet ping my board from host.
> But I can ping host from board with some delay, and only after this I can ping my board from host.
> 
> If anybody has circuitry of DM9000 connected to S3c6410 and working DM9000 software driver, please help me.
> 
> Thank you,
> Vitaliy Stolyarov.
> 
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