On Tue, Feb 07, 2012 at 03:33:32PM -0500, Robert P. J. Day wrote: > > slowly working my way thru how to create an appropriate environment > for my beagle xM and when i boot with the default beagle-configured > MLO and barebox.bin, there are no disk devices defined as described > here: > > http://wiki.barebox.org/doku.php?id=user:mmc-sd > > that's obviously a problem since the xM and pandaboards have no > NAND and must boot off of SD card. > > now, as i understand it, the MLO loader needs access to the MMC/SD > card just to read barebox.bin, so i'm not at all surprised to see, in > omap3530_beagle_xload_defconfig, the settings: > > CONFIG_MCI=y > CONFIG_MCI_STARTUP=y > # CONFIG_MCI_WRITE is not set > CONFIG_MCI_OMAP_HSMMC=y > > but in omap3530_beagle_defconfig, you have only: > > CONFIG_MCI=y > CONFIG_MCI_OMAP_HSMMC=y > > if i read it correctly, you can add the line: > > mci0.probe=1 > > to your environment. but with boards like beagles and pandas, why > would you *not* configure with: > > CONFIG_MCI_STARTUP=y > > it would seem to make no sense to not have that. wouldn't that config > setting be a no-brainer on any board that boots *only* off of SD? > Yes, this option should be set in the defconfig for such a case. Not probing SD cards is only useful when the normal usecase is to boot from nand where probing of SD cards would delay the boot time. 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
