[oe] [PATCH v3 01/08] Add support for at91bootstrap-3.0

Ulf Samuelsson ulf.samuelsson at atmel.com
Tue Feb 1 18:34:52 UTC 2011


2011-02-01 10:15, Marcin Juszkiewicz skrev:
> Dnia poniedziałek, 31 stycznia 2011 o 22:18:01 Ulf Samuelsson napisał(a):
>> AT91bootstrap 3.0 support booting from SD-Card.
>> Signed-off-by: Ulf Samuelsson<ulf.samuelsson at atmel.com>
> I always wonder why AT91bootstrap patches are not merged in Atmel repository.
>
> Regards,

AT91bootstrap-1.x is the offical Atmel bootstrap that
can be downloaded from Atmels homepage.

This cannot be compiled by an arm-linux compiler,
since it relies on newlib.

It also has a strange user interface, in that you
have to step down deep into the directory tree
and then type make, using a hard wired configuration
in a header file.

The at91bootstrap-2.x series has been generated by me, and
I am not part of the AT91 product line and cannot
change the official version.
The goal of this bootstrap was to be able to compile
using an arm-linux compiler, and since then Kconfig
has been added and a few other niceties.

There is yet another "hidden" at91bootstrap which
is present in the AT91 softpacks.
This has some nice features, including SD-Card boot,
but again, not compilable by an arm-linux compiler.

The at91bootstrap-3.x series is a new Atmel project which
is intended to merge the functionality of all previous versions,
and be compilable on arm-linux.
It is developed by the AT91 product line from my 2.x codebase.

The patches to submitted for this package are my code.

I have made them aware of the patches and I think
that the patches will be merged over time, but
i cannot tell when.

-- 
Best Regards
Ulf Samuelsson





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