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Re[4]: [PATCH] [RFC] at91sam9263ek support
- From: Evgeniy Dushistov <dushistov at mail dot ru>
- To: roberto.lavarini <roberto dot lavarini at gmail dot com>
- Cc: ecos-devel at ecos dot sourceware dot org
- Date: Tue, 02 Dec 2008 14:20:50 +0300
- Subject: Re[4]: [PATCH] [RFC] at91sam9263ek support
- References: <20788865.post@talk.nabble.com>
- Reply-to: Evgeniy Dushistov <dushistov at mail dot ru>
-----Original Message-----
>
>
>Dear Evgeniy,
> I looked the file "at91sam9263ek.h", and the dataflash address to set in
>SAM-BA seem to be 0x8000. In fact, if I use the same at91bootloader with
>uboot with this address, uboot starts correctly. If I use patched redboot
>for at91sam9263ek, redboot doesn't start and I only see "RomBoot>" shell. I
>used exactly your patch, apply on ecos-cvs, and the only thing I do, is to
>set RAM as default value of CYG_HAL_STARTUP in
>packages/hal/arm/at91/at91sam9/current/cdl/hal_arm_at91sam9.cdl. I
>downloaded redboot on my board with SAM-BA using DataFlash section with
>0x8000 destination address. I don't understand why redboot doesn't start on
>my board.
>
I see three possible reasons:
1)at91bootstrap doesn't start it (almost impossible, as you say)
2)redboot fails on early stage (only jtag can help)
3)wrong configuration, like main osilator frequnce, multiplier, divider and so on
you can debug it via jtag, or wait the next version of patch,
where I will fix several bugs.