From mboxrd@z Thu Jan  1 00:00:00 1970
From: Richard Retanubun <RichardRetanubun@RuggedCom.com>
Date: Thu, 11 Dec 2008 09:36:44 -0500
Subject: [U-Boot] bootm command: is there any load address limitation
 for fdt?
In-Reply-To: <494101EA.3090308@ge.com>
References: <49404A1C.1070801@RuggedCom.com>
	<20081211002024.B648B834B020@gemini.denx.de>
	<494101EA.3090308@ge.com>
Message-ID: <4941257C.70607@RuggedCom.com>
List-Id: <u-boot.lists.denx.de>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
To: u-boot@lists.denx.de

Jerry Van Baren wrote:

> Wolfgang Denk wrote:
>> Dear Richard Retanubun,
>>
>> In message <49404A1C.1070801@RuggedCom.com> you wrote:
>>> I am trying to limit the amount of memory needed to load and boot a linux kernel (2.6.26)
>>> to do this I loaded my fdt at address 0x20_0000 and uImage at 0x_30_0000
>
> FWIIW, your FDT blob should be a whole lot less than 1MB, like 4K-16K. 
> I've taken to loading it 0x8000 (32K) before my linux image.
>
> [snip Wolfgang's diagnosis of the overwrite problem]
Dear Wolfgang and Jerry,

D'oh! I forgot that my uImage is compressed. Thank you for the prompt diagnosis.

My FDT blob is a whole lot less than 1MB, thanks for the 32K recommendation.

- Richard Retanubun.