On Mon, May 02, 2016 at 11:03:58AM +0200, Stefan Christ wrote: > Hi Sascha, > > On Mon, May 02, 2016 at 09:51:56AM +0200, Sascha Hauer wrote: > > On Fri, Apr 29, 2016 at 09:25:28AM +0200, Stefan Christ wrote: > > > Hi Sascha, > > > > > > > > diff --git a/arch/arm/boards/phytec-som-imx6/defaultenv-physom-imx6-mira/boot/emmc b/arch/arm/boards/phytec-som-imx6/defaultenv-physom-imx6-mira/boot/emmc > > > > > new file mode 100644 > > > > > index 0000000..e3cc9e3 > > > > > --- /dev/null > > > > > +++ b/arch/arm/boards/phytec-som-imx6/defaultenv-physom-imx6-mira/boot/emmc > > > > > @@ -0,0 +1,5 @@ > > > > > +#!/bin/sh > > > > > + > > > > > +global.bootm.image="/mnt/emmc/linuximage" > > > > > +global.bootm.oftree="/mnt/emmc/oftree" > > > > > +global.linux.bootargs.dyn.root="root=/dev/mmcblk3p2 rootwait rw" > > > > > > > > Does this work reliably? Is there finally a patch upstream that creates > > > > fixed numbers for MMC/SD block devices? > > > > > > Our kernel tree contains a patch for that. The mmcblk id is derived from the > > > device tree alias index. It isn't a mainline ready solution, since there are > > > some unhandled edge cases in the patch and it's implemented currently only for > > > the driver "sdhci-esdhc-imx". > > > > There was yet another attempt for consistent mmcblk numbering shot down > > here just last weekend: http://www.spinics.net/lists/arm-kernel/msg501495.html > > > > Given that there probably never will be a way to (reliably) pass the rootfs via > > root=mmcblkxy, I can't take this patch. I sent a patch which pushes the > > partuuid mechanism from the bootloader spec code to bootm which might > > help to solve this problem here. > > Thanks for implementing this feature. Since our kernel and device tree is not > in the root filesystem currently, we cannot use it. We will take a look at the > bootspec to solve this problem. Something I can think of is that we add a bootargs parameter to the partition device similar to what we do with the fs devices. Only problem is that there currently is no partition device, but that could be changed. > > > > I applied this series without this patch. This provoked a little merge > > conflict in the patch renaming the environment directory. Please check > > the result in -next. > > I just diffed the next branch. So far it looks good. The dropped patch also > introduced an 'automount' setting for the eMMC device. Have you an objection > about this? If no, I would sent an extra patch for that. No objections, you can send a patch. 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
