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Op 6 mei 2008, om 17:06 heeft Woodruff, Richard het volgende geschreven:
Enabling L2 cache was removed from proc-v7.S since was cortex
specific
instead of armv7 specific and u-boot explicitly turns of L2 before
booting into linux. I made a reverse patch, but my omap3 board
doesn't
boot if I use it:
Our 2.6.24 kernel does something close and boots fine on OMAP3-SDP
and Labrador boards. Which platform did you try on?
Beagleboard (omap3530)
I'll try the latest from here on SDP with this and see if it works.
There is also a difference in CR handling. I had submitted long
back a fix to Russell but let it get by me as I didn't have the time
to fix per his comments. I think our version was more correct then
the one in place but was still lacking a bit.
[*] It seems possible you could have an issue depending on what your
boot loader is or isn't doing for you.
U-boot (both 1.1.4 and 1.3.2) calls l2disable() before booting linux,
so linux needs to enable it. I vote for removing the l2disable() in u-
boot, but I can see that people might be stuck with broken binary
bootloaders...
regards,
Koen
Regards,
Richard W.
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