OMAP baseline test results for v3.7-rc3
paul at pwsan.com
Tue Nov 13 10:35:07 EST 2012
On Tue, 13 Nov 2012, Mark Jackson wrote:
> On 06/11/12 09:47, Mark Jackson wrote:
> > That works ... great !!
> > But now I'm confused, since I thought the DTB was appended to the uImage file.
The DTB is appended to the zImage file. You then need to convert the
product of the concatenation to uImage format.
> > I have the following in my .config:-
> > ARM_ATAG_DTB_COMPAT=y
> > ARM_APPENDED_DTB=y
> > ARM_ATAG_DTB_COMPAT_CMDLINE_FROM_BOOTLOADER=y
> > And then I create my uImage file using:-
> > $ make -j 8 ARCH=arm CROSS_COMPILE=arm-linux- uImage
> > $ make -j 8 ARCH=arm CROSS_COMPILE=arm-linux- am335x-bone.dtb
instead of this:
> > $ cat arch/arm/boot/uImage arch/arm/boot/am335x-bone.dtb > arch/arm/boot/uImage-dtb.am335x-bone
> > $ cp arch/arm/boot/uImage-dtb.am335x-bone /media/boot/uImage
something like this is what you need to do instead:
$ cat arch/arm/boot/zImage arch/arm/boot/am335x-bone.dtb > arch/arm/boot/zImage-dtb.am335x-bone
$ scripts/mkuboot.sh -A arm -O linux -C none -T kernel -a 0x80008000 -e 0x80008000 -n 'Linux' -d arch/arm/boot/zImage-dtb.am335x-bone arch/arm/boot/uImage-dtb.am335x-bone
> > Do you now have to load the DTB as a separate file ?
> > Or should the appended DTB still work ?
Appended DTBs work fine on the testbed here.
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