etting stored in link register...and i m
> not able to figure out why...
>
> Regards,
> Sumedh
>
> On Mon, Feb 23, 2009 at 11:03 PM, sjoy...@wanadoo.fr
> wrote:
> > Hi Sumedh,
> >
> > You may check the context in which your CPU in running the C code from
>
Hi Sumedh,
You may check the context in which your CPU in running the C code from
interrupt context (ie stack pointer (r1), kernel locks disabling
rescheduling etc..) and double check the IRQ originator (the decrementer) is
acknowlegded somewhere your handler before enabling back interrupts, else
Hi Scott,
Your issue may come from data setup (or corruption) instead of code path:
babbling error may occurs when a TSEC TX descriptor hasn't its "last frame"
bit set or when the data length is greated than max frame length.
--
sj
2009/2/19 Scott Coulter
>
>
> Kumar,
>
> >
> > can't think of
Hi Wael,
1. The DMA engine source and destination registers are based on
physical memory addresses, whatever is the bus connected on, thus you
need to provide it physical addresses.
It looks like you are a bit confused about the terminology "DMA
buffer": a DMA buffer is either the source and/or de