[U-Boot] AT91SAM926x Nor Boot

[U-Boot] AT91SAM926x Nor Boot

[Jens Scharsig]

Hello,

I'm start with a port for a new customer board with NOR-flash only.
Our customer don't like use AT91Bootstrap.

I look at the source, but don't found any initialization code for AT91SAM926x.

My question:

Are there any plans or patches which support to use u-boot without AT91Bootstrap?
or
Should I do this by myself?

Best regards

J. Scharsig

[U-Boot] AT91SAM926x Nor Boot

[Jean-Christophe PLAGNIOL-VILLARD]

On 10:35 Tue 03 Mar     , Jens Scharsig wrote:
> Hello,
> 
> I'm start with a port for a new customer board with NOR-flash only.
> Our customer don't like use AT91Bootstrap.
> 
> I look at the source, but don't found any initialization code for AT91SAM926x.
> 
> My question:
> 
> Are there any plans or patches which support to use u-boot without AT91Bootstrap?
> or
> Should I do this by myself?
it was done with Ronetix on the 9263 and 9260

patch are on the ML

They will in the Mainline for the next merge

I've test them on my 9263ek tooo patch fo r the next merge

Best Regards,
J.

[U-Boot] AT91SAM926x Nor Boot

[Robert Schwebel]

On Tue, Mar 03, 2009 at 10:35:08AM +0100, Jens Scharsig wrote:
> I'm start with a port for a new customer board with NOR-flash only.
> Our customer don't like use AT91Bootstrap.
> 
> I look at the source, but don't found any initialization code for
> AT91SAM926x.
> 
> My question:
> 
> Are there any plans or patches which support to use u-boot without
> AT91Bootstrap?  or Should I do this by myself?

We have ported u-boot-v2 to AT91SAM9263, without at91bootstrap. Look in
the v2 git repository. The port isn't very mature, but anyway. Patches
are welcome.

rsc
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[U-Boot] AT91SAM926x Nor Boot

[Ken.Fuchs at bench.com]

Jens Scharsig wrote:

> I'm start with a port for a new customer board with NOR-flash only.
> Our customer don't like use AT91Bootstrap.
> 
> I look at the source, but don't found any initialization code for
> AT91SAM926x. 
> 
> My question:
> 
> Are there any plans or patches which support to use u-boot without
> AT91Bootstrap? or
> Should I do this by myself?

I have tested a solution based on U-Boot-1.1.5 as modified by Atmel.
The
adaptation to booting via NOR flash itself was written by Alessandro
Rubini:

http://www.gnudd.com/pub/patches/at91sam9263ek-nor/at91sam9263ek-nor.pdf

Although it is based on old code, the documentation of the problem of
booting
from NOR flash on the AT91SAM9263 is worth reading.

Sincerely,

Ken Fuchs

[U-Boot] AT91SAM926x Nor Boot

[Jens Scharsig]

Thanks at all,

J. Scharsig