Hi Chris,
> Has anyone had any experience with Das U-Boot on the TS
> hardware as a RedBoot replacement? Actually, I haven't
> used U-Boot myself, but I can only hope that it's better.
I've used U-Boot, Redboot, umon, LILO, GRUB, ...
In my opinion U-Boot is the nicest.
I'm porting it to a custom PowerPC board at the moment.
The custom board was developed relative to a Freescale
board, so most of the code existing in U-Boot already,
eg. CPU support, and device support.
I don't have a TS-7800, but its a Marvel ARM processor
if I recall correctly. A U-Boot port probably does not
exist for the TS-7800 yet. However, there will be something
close in the U-Boot tree, eg. if you look on the Linux NAS
website and find a device that uses the processor,
(Linkstation?) you'll be able to start with that.
However, you do need a very detailed knowledge of the
processor memory map, and the order in which things
get setup. If the TS-7800 has a bunch of CPLD registers
that need to be programmed to get the board running,
you'll need that code, eg. get it from the Redboot
source if they provide it.
Cheers,
Dave
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