This was exactly what I was looking for! thanks On Wed, Sep 25, 2013 at 2:55 PM, Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> wrote: > Hi Allen, > > On Wed, Sep 25, 2013 at 11:13:47AM -0500, Allen Kennedy Jr. wrote: >> All, >> How do I copy barebox to flash? >> I have a flash device setup: >> `---- imx_nand >> `---- nand0 >> `---- 0x00000000-0x0fffffff: /dev/nand0 >> `---- 0x00000000-0x0001ffff: /dev/bootstrapper >> `---- 0x00020000-0x0005ffff: /dev/barebox >> `---- 0x00060000-0x0009ffff: /dev/env_raw >> `---- 0x00100000-0x005fffff: /dev/kernel >> >> I used JTAG to load barebox into memory at 0xa0000000 >> >> I just can't figure out how to copy it to flash... There is no DD command... >> I tried this: >> cp 0xa0000000 /dev/barebox 0x4000 >> got : >> cp: target `0x4000' is not a directory > > What you're looking for is the memcpy command. It has options to copy > memory to/from files. You need something like: > > memcpy -d /dev/barebox 0xa0000000 0 512k > > replace 512k with whatever filesize is appropriate. > > See 'help memcpy' or http://wiki.barebox.org/doku.php?id=commands:memcpy > for more information. > >> >> Seems barebox changed what 'cp' is from the old u-boot way. >> and the nand command only does bad block handling... >> >> barebox-update seems to be a candidate, but the docs don't make sense >> on how to use. > > Yes, that's the correct command, but it needs board support to be > implemented. With the correct board support the update would go down to: > > barebox_update /mnt/tftp/barebox.bin > > (It needs a file though, you would have to generate this with memcpy if > you want to use it together with a raw memory image.) > >> Also I was thinking something like md > /dev/nand, but the output of >> MD is user readable. > > Unfortunately the barebox shell is not capable of doing output redirection. > > Sascha > > -- > Pengutronix e.K. | | > Industrial Linux Solutions | http://www.pengutronix.de/ | > Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | > Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | > > _______________________________________________ > barebox mailing list > barebox@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/barebox _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox