Hi, you can use something like "root=31:00" in the kernel cmdline.
Regards, Erwin Am Thursday, den 20.09.2012, 12:38 +0200 schrieb Richard Cochran: > I am running mainline Linux on the Freescale/Axiom M5234BCC with uboot > 2011.09-01111-g0562219 and have been carrying along a patch from the > uClinux-dist, like shown below for v3.2.9. > > I create a image by concatenating the kernel with a romfs, and I boot > it by loading over tftp and jumping to the image with the uboot 'go' > command. > > My question: Is there a way to pass the kernel command line from uboot > to specify the root device, instead of using this patch? > > Thanks, > Richard > > > diff --git a/drivers/mtd/maps/uclinux.c b/drivers/mtd/maps/uclinux.c > index 6793074..9cf7df5 100644 > --- a/drivers/mtd/maps/uclinux.c > +++ b/drivers/mtd/maps/uclinux.c > @@ -15,6 +15,7 @@ > #include <linux/fs.h> > #include <linux/mm.h> > #include <linux/major.h> > +#include <linux/root_dev.h> > #include <linux/mtd/mtd.h> > #include <linux/mtd/map.h> > #include <linux/mtd/partitions.h> > @@ -89,6 +90,7 @@ static int __init uclinux_mtd_init(void) > mtd->priv = mapp; > > uclinux_ram_mtdinfo = mtd; > + ROOT_DEV = MKDEV(MTD_BLOCK_MAJOR, 0); > mtd_device_register(mtd, uclinux_romfs, NUM_PARTITIONS); > > return(0); > _______________________________________________ > uClinux-dev mailing list > uClinux-dev@uclinux.org > http://mailman.uclinux.org/mailman/listinfo/uclinux-dev > This message was resent by uclinux-dev@uclinux.org > To unsubscribe see: > http://mailman.uclinux.org/mailman/options/uclinux-dev -- Dipl.-Ing. Erwin Authried Softwareentwicklung und Systemdesign _______________________________________________ uClinux-dev mailing list uClinux-dev@uclinux.org http://mailman.uclinux.org/mailman/listinfo/uclinux-dev This message was resent by uclinux-dev@uclinux.org To unsubscribe see: http://mailman.uclinux.org/mailman/options/uclinux-dev