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Date: Mon, 8 Feb 2010 20:47:44 +1000
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Subject: simpleImage.XX and large kernels
From: John Williams <john.williams@petalogix.com>
To: linuxppc-dev@ozlabs.org
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Hi,

I'm looking at the simpleImage.XXX make target (PPC 405/440), and it
seems that by default the arch/powerpc/boot/wrapper script places the
bootwrapper at 0x400000, effectively setting a limit on the maximum
bootable kernel size.

For various reasons we'd like to be able to put a fairly complete
rootfs as an initramfs, which obviously blows past a 4Mbyte limit very
quickly.  Short of adding a new 'platform' option and associated
hackery through the powerpc/boot Makefiles and wrapper, is there a
quick and clean way I can tell the boot wrapper to link at a higher
address?

Thanks,

John