RFC dcache on ARM
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Cover letter [U-Boot] [PATCH RFC 0/2] dcache on ARM
Quoted 4 lines · Alessandro Rubini
These patches enable the dcache for ARM9. It's mainly an RFC, as some details are still to be sorted out, but they work fine (and the speed increase is noticeable for kernel boots and cp.b -- didn't make more tests.
I'm all for speed increases :-)
On TI DA830, the 1.0 & 1.1 revision of the silicon have a data caching bug. You can use data caching, but only in write thru' mode. This is fixed in the very latest 2.0 silicon. Even still it is better than no caching as proved in Linux.
Is it simple for you to enable different levels of caching by config?
Nick.