You do not need to reload anything else, protect off 1:0-1 only lest the first two sectors (uboot) be erased, and nothing else.
 
Evan

 
On 6/23/06, Demetris Zavorotnichenko <fgcity4652@cytanet.com.cy> wrote:
well since you are entering "erase all" then you erase the entire flash so
YES.


Demetris Z.


----- Original Message -----
From: "Jesse Welling" <jdawgwelling@hotmail.com>
To: <gumstix-users@lists.sourceforge.net >
Sent: Friday, June 23, 2006 8:51 PM
Subject: Re: [Gumstix-users] u-Boot


> That means you have to load a new linux kernal as well?
>
>
>>From: "ken staton" < ken.staton@gmail.com>
>>Reply-To: "General mailing list for gumstix users."
>><gumstix-users@lists.sourceforge.net>
>>To: "General mailing list for gumstix users."
>><gumstix-users@lists.sourceforge.net>
>>Subject: Re: [Gumstix-users] u-Boot
>>Date: Fri, 23 Jun 2006 08:21:28 -0700
>>
>>Demetris,
>>On 6/23/06, Demetris Zavorotnichenko <fgcity4652@cytanet.com.cy> wrote:
>> >
>> >
>> > Can anyone explain the procedure required in order to update the
>> > U-boot?
>> >
>> > I understand it's critical that i don't mess it up, so please if anyone
>> > could explain it to me it would be great.
>>
>>Read about "boot loader" at wikipedia.
>>U-boot is a boot loader. It is the code that runs after the CPU does a
>>power on reset.
>>U-boot runs from RAM, so it can be used to write to the flash address
>>space
>>it is stored in (starting at address 0).
>>The basic idea is to load a new U-boot image to RAM, then write it to
>>address 0.
>>This flash space is protected, so you have to turn protection off.
>>
>>The steps are:
>>1 - load U-boot image to RAM
>>2 - protect off 1:0-1
>>3 - erase flash
>>4 - copy image from RAM to flash
>>
>>Regards,
>>Ken
>>
>>Using Tomcat but need to do more? Need to support web services, security?
>>Get stuff done quickly with pre-integrated technology to make your job
>>easier
>>Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
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>>https://lists.sourceforge.net/lists/listinfo/gumstix-users
>
>
>
> Using Tomcat but need to do more? Need to support web services, security?
> Get stuff done quickly with pre-integrated technology to make your job
> easier
> Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
> _______________________________________________
> gumstix-users mailing list
> gumstix-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/gumstix-users


Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
_______________________________________________
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