command bootu to start kernel
jbe at pengutronix.de
Wed Oct 27 10:38:42 EDT 2010
Sascha Hauer wrote:
> On Wed, Oct 27, 2010 at 03:33:15PM +0200, Juergen Beisert wrote:
> > Belisko Marek wrote:
> > > I have mini2440 board with barebox running from RAM.
> > > I try to start uImage kernel for that platform but I'm little bit
> > > confused how to do it.
> > >
> > > I do tftp uImage and the bootu uImage but it always hangs :
> > >
> > > commandline: console=ttySAC0,115200
> > > arch_number: 1999
> > >
> > > I track down that theKernel pointer point to 0xffffffff (memmap return
> > > (void*)-1) which is obviously wrong.
> > > If I understand correctly bootu function take first parameter and try
> > > to open a file and memmap. If file isn't opened successfully then
> > > convert string address which is then taken for
> > > theKernel pointer.
> > >
> > > Is this correct procedure or do I something wrong?
> > Try to start a zImage with "bootz". On my system 'bootm' and 'bootu' do
> > not work.
> bootz is for starting zImages. At least this command has a convenient
> name :)
> bootz should work on your system aswell. If not, please complain loudly.
bootz works here. bootm always complains with the scripts from the generic
booting kernel of type uimage from /dev/ram0.kernel
Bad Magic Number
me at host$ file arch/arm/boot/uImage
arch/arm/boot/uImage: u-boot legacy uImage, Linux-2.6.31-00770-g54c3fe6-dir,
Linux/ARM, OS Kernel Image (Not compressed), 2350016 bytes, Mon Oct 25
16:58:30 2010, Load Address: 0x40008000, Entry Point: 0x40008000, Header CRC:
0x17A7330B, Data CRC: 0x888DAA63
Anything wrong with the uImage (built with "make uImage") or the
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