Hi JensWirth, Thanks for your reply :). I have some questions here. (1)You told me "make simpleImage.virtex405-ml300",i only know "make zImage" and "make zImage.initrd" ,what it is this command mean??? (2)What is dts ? I don't know what is this :( Regards, YanLong:)
Jens Wirth wrote: > > Hi Yanlong, > > On Thu, Aug 14, 2008 at 5:08 AM, yanlong wang <[EMAIL PROTECTED]> > wrote: >> If i want use ramdisk on the ml300 , i must use u-boot in my system >> ? >> many thanks > > I suppose you want to use an initial ram filesystem as > rootfs to boot your system? > > You have to point CONFIG_INITRAMFS_SOURCE="" to a cpio > archive or a directory which contains your rootfs. If > you use a directory structure then you should set your > uid/gid to make the build process convert the owner > to root: > > # if your uid/gid is 500: > CONFIG_INITRAMFS_ROOT_UID=500 > CONFIG_INITRAMFS_ROOT_GID=500 > > Don't forget to set CONFIG_BLK_DEV_RAM=y to be able > to use a ramdisk at all. > > I'm also using the ml300 board and I create my kernel > with: make simpleImage.virtex405-ml300 > > My dts is arch/powerpc/boot/dts/virtex405-ml300.dts. > There is no kernel boot command line needed to use > the initramfs in my case (I only set up my console > to the uart). Just download the image > arch/powerpc/boot/simpleImage.virtex405-ml300.elf > with xmd to your ml300 and run it. > > I hope this works for you. > > Regards > Jens > _______________________________________________ > Linuxppc-embedded mailing list > Linuxppc-embedded@ozlabs.org > https://ozlabs.org/mailman/listinfo/linuxppc-embedded > > -- View this message in context: http://www.nabble.com/How-to-use-ramdisk-on-the-ml300--tp18975066p18979320.html Sent from the linuxppc-embedded mailing list archive at Nabble.com. _______________________________________________ Linuxppc-embedded mailing list Linuxppc-embedded@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-embedded