On 25/04/2013 14:49, Benoît Thébaudeau wrote: > Hi Stefan, > > On Thursday, April 25, 2013 2:48:59 PM, Stefan Roese wrote: >> Subject: Re: [U-Boot] [PATCH V2 6/6] arm: mx5: Add support for DENX M53EVK >> >> On 25.04.2013 14:38, Marek Vasut wrote: >>>>> Right, this is also correct. Anyway, BOOT_FROM is used to get the offset >>>>> inside the storage, and only to be as much flexible as possible, each >>>>> storage has defined its own offset. However, Freescale uses the same >>>>> offset (0x400) for most storages (NAND, SD..) and another one for NOR or >>>>> OneNAND (0x1000). Maybe it is easier to have only this two cases. >>>> >>>> Yes, I would prefer that. >>>> >>>> And being at it, why don't we add the offset to the resulting image as >>>> well? This would make programming the images to the destination (SD, >>>> NAND, MMC etc) easier. We would not have to care for the correct offset >>>> then (which is more error prone). And it is necessary btw, to have this >>>> offset added, when using the FSL kobs-ng tool to program the image to >>>> NAND flash. >>> >>> This would interfere with MBR on SD cards, the offset is there for a reason >>> ;-) >> >> Yes, makes sense. But only for SD cards. On other mediums (e.g. SPI NOR, >> NAND) this padded image would be easier (less error prone) to handle. > > For NAND, we already have u-boot-with-nand-spl.imx.
Is it padded at the beginnig ? I have thought the pad is between SPL and u-boot based on CONFIG_SPL_PAD_TO, but we need to flash always at the right offset. Regards, Stefano -- ===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: [email protected] ===================================================================== _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
