From mboxrd@z Thu Jan 1 00:00:00 1970 From: Detlev Zundel Date: Thu, 08 Apr 2010 12:06:01 +0200 Subject: [U-Boot] Adding new partition in uboot References: <20100401185147.GA17447@yookeroo> <20100401215619.56B24104D2A6@gemini.denx.de> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Wolfgang, > Dear David Gibson, > > In message <20100401185147.GA17447@yookeroo> you wrote: >> >> > Let me know if we need to increase size of the blob or something which i m >> > missing. >> > This is going to help a lot if you can reply. >> >> For this case where there's a flash partition that's sometimes there >> and sometimes not, it might be simpler to put all the partitions, >> including the not-always-present ones in the dts. Then you can use >> fdt_nop_subnode() to remove the extra one on systems where it's not >> present. > > A completely different approach woul dbe NOT to try defining the flash > partitions in the device tree, but use command line partitioning in > combination with the "mtdparts" command support in U-Boot. For > frequently changing configurations this is probably the most flexible > approach. Actually we have code to fix up the flat device tree from the mtdparts value: http://article.gmane.org/gmane.comp.boot-loaders.u-boot/76029/match=mtdparts This is somewhat nicer than the "command line bottleneck" and we should really start using it broadly. Cheers Detlev -- Of course my password is the same as my pet's name My macaw's name was Q47pY!3 and I change it every 90 days -- Trevor Linton -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-40 Fax: (+49)-8142-66989-80 Email: dzu at denx.de