On Fri, 2011-09-23 at 10:31 +0800, Barry Song wrote: > 2011/9/15 Jamie Iles <[email protected]>: > > On Thu, Sep 15, 2011 at 08:32:02AM -0300, Benjamin Herrenschmidt wrote: > >> On Wed, 2011-08-24 at 15:41 +0100, Jamie Iles wrote: > >> > >> > + chosen { > >> > + bootargs = "console=ttyS0,115200 earlyprintk loglevel=9 > >> > root=ubi0:rootfs rw rootfstype=ubifs ubi.mtd=5,2048"; > >> > + linux,stdout-path = &uart0; > >> > + }; > >> > >> Hrm... we don't normally put the bootargs in the device-tree. > >> > >> Either you have a way to pass it from a previous firmware (which > >> can then slap it into the device-tree at runtime), or you > >> can have a way to compile it in the kernel image but the device-tree > >> isn't the right place for it. > > > > OK, that's fair enough. A few other ARM platforms (tegra, prima2 and > > zynq) have bootargs in the chosen node and that's where I got it from, > > but our bootloader has fdt support so this can easily be removed. > > some powerpc platforms also do that:
Right, I never said I was perfect :-) > asp834x-redboot.dts: bootargs = "console=ttyS0,38400 > root=/dev/mtdblock3 rootfstype=jffs2"; > gamecube.dts: bootargs = "root=/dev/gcnsda2 rootwait udbg-immortal"; > prpmc2800.dts: bootargs = "ip=on"; > rainier.dts: bootargs = "console=ttyS0,115200"; > sequoia.dts: bootargs = "console=ttyS0,115200"; > virtex440-ml507.dts: bootargs = "console=ttyS0 root=/dev/ram"; > virtex440-ml510.dts: bootargs = "console=ttyS0 root=/dev/ram"; > wii.dts: bootargs = "root=/dev/mmcblk0p2 rootwait udbg-immortal"; > > if we have no bootargs in bootloader, kernel will use that one in DT. Cheers, Ben. _______________________________________________ devicetree-discuss mailing list [email protected] https://lists.ozlabs.org/listinfo/devicetree-discuss
