> I need to build a light-task-load device, which has a small
> gray scale gui (say 320x240 running Microwindows),several
> buttons,and audio, but without touch panel. StrongARM seems
> too powerful and consumes too much power. I like to adapt
> the arch of EP7212 from Cirrus Logic.
>
> Is there existing linux port to EP7212? So far my searching
> said 'no'. If this is the case, what is the shortest path
> to make a linux port over it?
We have a port, which will shortly be released - ie when the hardware is
released (the Rio Receiver/Dell audio receiver run linux & our player code
on a 7212).
It's got various useful bits, such as an audio driver, dhcp client (well,
enough of one to reside in kernel), consumer ir driver, light keyboard
matrix/rotary control driver & so on. We use the same toolchain for the
(SA-based) empeg-car, you just use different compile options to specify the
specific arm variant. The production hardware doesn't use segmented physical
ram, though there are some vestiges of the segmented ram code from the 7110
port that it was based on still in-kernel.
It's also got various double-booting code in so that it can dhcp boot, load
a new kernel & network driver module over NFS and reboot into it preserving
the ip configuration, etc.
Hugo
empeg
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