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From: Wolfgang Denk <wd@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] Where to put a large bootloader-supplied device tree on ARM ?
Date: Thu, 12 Jul 2012 23:47:43 +0200	[thread overview]
Message-ID: <20120712214743.2160B202A3F@gemini.denx.de> (raw)
In-Reply-To: <20120712233801.0411daa7@lilith>

Dear Albert ARIBAUD,

In message <20120712233801.0411daa7@lilith> you wrote:
> 
> If I'm not mistaken, yes U-Boot loads itself as high as it can, and I don't
> know about the FDT, but no, U-Boot does not "like" to load initrd "just
> below that": it loads initrd where the boot commands tell it to, and the
> boot commands are written by board developers. Nothing in U-Boot forces
> initrd to be loaded as high as possible.
> 
> That leaves the question of the FDT, though -- I'm not familiar enough
> with it (yet) to tell if it is always located just under U-Boot or if
> its placement is controllable by board commands.

You can always just set the "fdt_high" and "initrd_high" evironment
variables to restrict the positioning of initrd and FDT in RAM; see
the README for details.

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
"He was so narrow minded he could see through  a  keyhole  with  both
eyes ..."

  reply	other threads:[~2012-07-12 21:47 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1341325365-21393-1-git-send-email-andrew@lunn.ch>
     [not found] ` <201207051454.24475.arnd@arndb.de>
     [not found]   ` <20120705161600.GA28860@lunn.ch>
     [not found]     ` <201207062008.23952.arnd@arndb.de>
     [not found]       ` <20120706210009.GC11470@lunn.ch>
     [not found]         ` <4FF781D8.3040206@firmworks.com>
     [not found]           ` <2966DB01BC317A4DA23684BA0F653415013701@xmb-aln-x08.cisco.com>
     [not found]             ` <4FF7980E.7050705@firmworks.com>
     [not found]               ` <alpine.LFD.2.02.1207090015270.31100@xanadu.home>
     [not found]                 ` <4FFE743B.6080504@firmworks.com>
2012-07-12 20:34                   ` [U-Boot] Where to put a large bootloader-supplied device tree on ARM ? Rob Herring
2012-07-12 21:38                     ` Albert ARIBAUD
2012-07-12 21:47                       ` Wolfgang Denk [this message]
2012-07-13  1:28                         ` Rob Herring
2012-07-13  6:45                           ` Albert ARIBAUD

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