Re: [Adeos-main] at91sam9260

[Michael Trimarchi <trimarchimichael@domain.hid>]

Hi
----- Messaggio originale -----
> Da: Gilles Chanteperdrix <gilles.chanteperdrix@domain.hid>
> A: Michael Trimarchi <trimarchimichael@domain.hid>
> Cc: adeos-main@gna.org> Inviato: Mercoledì 26 dicembre 2007, 6:59:31
> Oggetto: Re: [Adeos-main] at91sam9260
> 
> On Dec 20, 2007 7:44 PM, Michael Trimarchi wrote:
> > Hi,
> >
> > > Ok. Could you try something ? It will work with I-pipe only but will
> > > break Xenomai, so do not try to run Xenomai over this modification.
> > >
> >
> > I tried the adeos-2.6.20-arm-1.8-02 patch and linux 2.6.20 and I obtained the
> > same results. When the system is not loaded I can't receive from the serial
> > line using the adeos patch and null modem cable.
> >
> > AT91sam9260 8MB ram (using filesystem on ramdisk)
> > I removed spi flash support, mmc support.
> > I have only serial driver and using lrz for receiving file
> >
> > Can I do some tests for you using my board?
> 
> in drivers/serial/atmel_serial.c, add the IRQF_DISABLED flag to request_irq.
> 
> When linux is running without adeos, the AT91 serial driver interrupt
> is shared with the timer interrupt, so it automatically gets this
> flag. Adeos does not use the same hardware timer as linux, so, when
> adeos is enabled the serial interrupt is no longer shared with the
> timer interrupt and it no longer gets this flag.
> 
I will try.
 
Thank's


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