at91sam9260: Patches

[Bernd Walter]

On Fri, Aug 20, 2010 at 10:15:26PM +0900, SAITOU Toshihide wrote:
> In message: <4C531E13.1070008 at ansley.com>
>             Greg Ansley <gja at ansley.com> writes:
> > The following diff on top of my previous diff adds support
> > for the AT91SAM9260 chip and Atmel AT91SAM9260-EK Evaluation
> > card.
> > 
> > Using config file SAM9G20EK you can boot on both the 9260
> > and 9G20 based development cards with the same binary.
> 
> Thank you for your patch!
> 
> My AT91SAM9XE256 board(*1) boot with this patch.
> I only need is to edit the sys/arm/at91/at91reg.h to fake up.
> (#define ARCH_ID_AT91SAM9XE256 0x329a93a0)

I've always wondered if it is reasonable to use the internal SRAM
on AT91SAM9/RM9200 for time sensitive purpose like NIC DMA buffer,
or often used kernel Tables.
The AT91SAM9XE256 has 32k of it, which would be 8x 4k pages, but
they all have a at least a few pages available.

-- 
B.Walter <bernd at bwct.de> http://www.bwct.de
Modbus/TCP Ethernet I/O Baugruppen, ARM basierte FreeBSD Rechner uvm.