From: "Eric Bénard" <eric@eukrea.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] AT91RM9200 boots from NOR Flash or not
Date: Sat, 20 Feb 2010 14:21:41 +0100 [thread overview]
Message-ID: <4B7FE1E5.4020907@eukrea.com> (raw)
In-Reply-To: <e0656fd71002192325r5015c205h38044264420aa740@mail.gmail.com>
Hi,
Le 20/02/2010 08:25, Maxim Podbereznyi a ?crit :
> OK, then can you explain what software do you flash? Does rm9200 u-boot
> setup PLL? Because if it is not then you will never see anything at DBGU
> pins. Another problem can be with your RC filters for PLL. Did you use the
> same quartz as in the Atmel design? If not then you must calculate RC
> filters and change them on your board.
>
> BTW, if your SDRAM does not work then u-boot will never start :)
>
> 2010/2/19 Nikumbh, Raj (IE10)<Raj.Nikumbh@honeywell.com>
>
>> Yeah I did pull it down at the startup. And I meant the same DBGU pins.
>>
the board support in board/eukrea/cpuat91 was working fine last time I
tested it and this board is close to your configuration (AT91RM9200 +
NOR Flash 16bits width) so maybe you can try it (you may just need to
update SDRAM geometry and timings and SMC timings for your NOR flash).
Eric
next prev parent reply other threads:[~2010-02-20 13:21 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-19 10:30 [U-Boot] AT91RM9200 boots from NOR Flash or not Nikumbh, Raj
2010-02-19 11:29 ` Wolfgang Denk
2010-02-19 12:11 ` Drasko DRASKOVIC
2010-02-19 12:16 ` Nikumbh, Raj
2010-02-19 12:26 ` Drasko DRASKOVIC
2010-02-19 14:10 ` Maxim Podbereznyi
2010-02-19 14:12 ` Nikumbh, Raj
2010-02-20 7:25 ` Maxim Podbereznyi
2010-02-20 13:21 ` Eric Bénard [this message]
2010-02-22 7:29 ` Nikumbh, Raj
-- strict thread matches above, loose matches on Subject: below --
2008-11-06 10:35 Jens Scharsig
2008-11-06 11:46 ` Martin Hejnfelt
2008-11-06 12:13 ` Jens Scharsig
2008-11-06 19:11 ` Wolfgang Denk
2008-11-07 7:00 ` Jens Scharsig
2008-11-07 11:00 ` Wolfgang Denk
2008-11-08 2:40 ` Pink Boy
2008-11-08 9:20 ` Wolfgang Denk
2008-11-06 19:11 ` Wolfgang Denk
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