Hi Vipin, On Tuesday 14 September 2010 12:21:41 Vipin Kumar wrote: > > Take a look at the NAND_SPL infrastructure (nand_spl/*). It was created > > for platforms booting from NAND with tight restrictions (e.g. 4k image > > size for inital setup, mostly DDR). General idea here is that 2 images > > are created: > > > > a) Very small SPL (secondary program loader) image with only basic > > > > setup, like DDR and NAND > > > > b) RAM based U-Boot image > > > > Both images are combined in the build process creating a single image > > that can be flashed into NAND. > > > > doc/README.nand-boot-ppc440 might be interesting to get some more infos > > about this, some of it PPC4xx specific though. > > Yes, got it. The only point is that this is meant to boot from NAND, > ONENAND devices(As the name suggests). Can there be a generic interface > independent of a particular device. > > Offcourse I agree that execute in place would work for NOR devices and we > wont need this kinda solution but still a generic solution for both types > of devices is preferable
Sure, a more generic approach would be better. But I suspect that this is not so easy to do. Those tight image-size restrictions of the IPL/SPL loaders will make such generalisation efforts quite difficult. Cheers, Stefan -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-0 Fax: (+49)-8142-66989-80 Email: off...@denx.de _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot