* U-Boot image
@ 2009-03-03 13:11 Günter Leonhardt
2009-03-04 16:52 ` Peter Korsgaard
0 siblings, 1 reply; 2+ messages in thread
From: Günter Leonhardt @ 2009-03-03 13:11 UTC (permalink / raw)
To: linuxppc-dev
Hello,
I'am looking for an image to boot a embedded device with a single image.
I though the generated uImage in arch/powerpc/boot should work, but =
u-boot cannot but this,
because the addresses of initrd and dtb not found.
Now I'am creating the image by hand with mkimage:
mkimage -A ppc -n F302 -O linux \
-T multi -C gzip -a 0x0 -e 0x0 \
-d vmlinux.bin.gz:initramfs_data.cpio.gz:f302.dtb \
uImage
This file is bootable, but I don't understand how a standard file has to =
be booted.
I read in th u-boot documentation about a new fileformat which is build =
with the dtc.
Can someone explain me the different fileforamts for booting a powerpc =
with u-boot?
Which is the simplest to use?
Shold I reconfigure u-boot?
Thanks for help
G=FCnter
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: U-Boot image
2009-03-03 13:11 U-Boot image Günter Leonhardt
@ 2009-03-04 16:52 ` Peter Korsgaard
0 siblings, 0 replies; 2+ messages in thread
From: Peter Korsgaard @ 2009-03-04 16:52 UTC (permalink / raw)
To: Günter Leonhardt; +Cc: linuxppc-dev
>>>>> "G=C3=BCnter" =3D=3D G=C3=BCnter Leonhardt <Guenter.Leonhardt@men•de>=
writes:
G=C3=BCnter> Hello,
G=C3=BCnter> I'am looking for an image to boot a embedded device with a
G=C3=BCnter> single image.
G=C3=BCnter> I though the generated uImage in arch/powerpc/boot should
G=C3=BCnter> work, but u-boot cannot but this, because the addresses of
G=C3=BCnter> initrd and dtb not found.
G=C3=BCnter> Now I'am creating the image by hand with mkimage:
G=C3=BCnter> mkimage -A ppc -n F302 -O linux \
G=C3=BCnter> -T multi -C gzip -a 0x0 -e 0x0 \
G=C3=BCnter> -d vmlinux.bin.gz:initramfs_data.cpio.gz:f302.dtb=
\
G=C3=BCnter> uImage
I posted a patch to add support for multi image uImages to the kernel
makefiles, E.G. uImage.<platform> some time ago. It got nack'ed by
wdenx though as he wants people to use the new fitimage stuff in
u-boot instead. Anyway, it might be useful to you:
http://peter.korsgaard.com/patches/linux/bootwrapper-uboot-multi-2.patch
To use it, add:
image-$(CONFIG_<your-platform>) + uImage.<your-platform>
to arch/powerpc/boot/Makefile.
G=C3=BCnter> This file is bootable, but I don't understand how a standard
G=C3=BCnter> file has to be booted.
With an external dtb / initrd.
G=C3=BCnter> Can someone explain me the different fileforamts for booting
G=C3=BCnter> a powerpc with u-boot? Which is the simplest to use?
Have a look at Documentation/powerpc/bootwrapper.txt
--=20
Bye, Peter Korsgaard
^ permalink raw reply [flat|nested] 2+ messages in thread
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