On Mon, Feb 23, 2015 at 11:57 AM, Marco Cavallini <[email protected]> wrote: > 2015-02-23 15:20 GMT+01:00 Fabio Estevam <[email protected]>: >> Hi Marco, >> >> On Mon, Feb 23, 2015 at 11:11 AM, Marco Cavallini >> <[email protected]> wrote: >>> Hello, >>> >>> I'd like to know if exists a method to store in eMMC a bootolader >>> without kobs-ng, so without using linux, but simply running a command >>> from u-boot. >>> I booted my i.MX28 system (I have the same question for i.MX6 as well) >>> using the u-boot.sb (u-boot-2015.01 with SPL) file loaded with mxsldr >>> (or imx-bootlets). >>> Now I am trying to save it in eMMC with the following command >>> loady (load u-boot.sb with ymodem) >>> mmc write ${loadaddr} 0 ${filesize} >>> but at reboot nothing happens. >>> Is it possible? >> >> You should flash u-boot.sd, not u-boot.sb. >> >> Please check doc/README.mxs on how to generate u-boot.sd. > > > Hi Fabio, > I did the following steps on the host > $ make u-boot.sb > $ ./tools/mxsboot sd u-boot.sb u-boot.sd > > then in u-boot >> loady (load u-boot.sd with ymodem) >> mmc write ${loadaddr} 0 ${filesize} > > but at reboot no output on serial port. > Maybe do I need to format the eMMC before?
The eMMC is handled as a SD Card so yes you need the partitioning, the label and all same things you need in the SD. Check the README about the partitioning details. -- Otavio Salvador O.S. Systems http://www.ossystems.com.br http://code.ossystems.com.br Mobile: +55 (53) 9981-7854 Mobile: +1 (347) 903-9750 _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
