Re: public git l2 cache off.

Koen Kooi
2008-05-06T16:20:28Z

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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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