[U-Boot] Problem to link u-boot for sh2a 7203

[Fabio Giovagnini]

Many many thanks for your answer.
Best regards and good good work.


Alle 19:32, sabato 6 febbraio 2010, Wolfgang Denk ha scritto:
> Dear Fabio Giovagnini,
>
> please read http://www.netmeister.org/news/learn2quote.html - don't
> top post / full quote, please.
>
> In message <201002061654.11412.fabio.giovagnini at aurion-tech.com> you wrote:
> > for sure my borad is not an rsk 7203, being my board designed by me; but
> > I followed the rsk 7203 schematics to connect NOR Flash, SDRAM, ETH, and
> > NAND Flash.
> > As on my own board, as on rsk board NOR flash in on CS0.
> > So I think I am miss understanding something.
> > 1) Does u-boot a sort of IPL so it is the program the microprocessor runs
> > at power on reset? If yes, at 0x00000000 or 0x20000000 (nt cached) should
> > start the program? How it can run form 0x0C7C0000 if it is SDRAM address
> > space?
>
> I don't know your hardware, nor do I know the Renesas rsk7203 board. I
> have no idea how your board's reset sequence looks like, nor how the
> Renesas board loads and starts U-Boot.
>
> U-Boot can be configured in a plethora of different ways to fit all
> sorts of hardware.
>
> If your board differs from the Renesas board, you will have to port
> U-Boot to your hardware. As only you know the hardware, and as it is
> you who defines things like memory map etc., only you can decide how
> to do that. The Renesas board may, or may not, be a good starting
> point. I cannot comment on this.
>
> Best regards,
>
> Wolfgang Denk

-- 
Fabio Giovagnini

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