From: Scott Wood <scottwood@freescale.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] Is it possible to use 2GB or DDR on MPC834x?
Date: Tue, 30 Dec 2008 10:45:16 -0600 [thread overview]
Message-ID: <495A501C.2070502@freescale.com> (raw)
In-Reply-To: <615EB96B23594360BC2ED911F0E855F0@gvv>
Valeriy Glushkov wrote:
> Hi Guys!
>
> On my mpc8347 based board I can access 1GB of DDR with mapping 4 of 256MB
> ranges via IBAT\DBAT registers.
>
> But with the 2 GB of DDR it's impossible to map them with BATs (there are
> only 8 BATs in the e300 core and the rest 4 of them are already used).
>
> All the mpc83xx examples in the U-boot tree seem to use <=1GB of SDRAM, so
> they use BATs to map them.
>
> Any suggestions are highly appreciated.
Why do you need to access all 2GB from u-boot?
-Scott
next prev parent reply other threads:[~2008-12-30 16:45 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-30 13:28 [U-Boot] Is it possible to use 2GB or DDR on MPC834x? Valeriy Glushkov
2008-12-30 16:45 ` Scott Wood [this message]
2009-01-05 12:09 ` [U-Boot] Is it possible to use 2GB of " Valeriy Glushkov
2009-01-05 18:28 ` Valeriy Glushkov
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