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authorBecky Bruce <beckyb@kernel.crashing.org>2011-10-03 19:10:51 -0500
committerKumar Gala <galak@kernel.crashing.org>2011-10-09 17:57:54 -0500
commit1605cc9e1bf193021e86048295148c45a185410d (patch)
treefdb937e62e3ba818f137971320f10daead763d01 /include/post.h
parente3fd652087cd9633a0920667a3920ee757f948e7 (diff)
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powerpc/mpc86xx: Disable translation for BAT setup
We really shouldn't be overwriting bat registers with translation enabled, especially when we're executing code using one of them for translating the current instruction stream. Instead, disable address translation while doing the final BAT setup. In order to do this, setup_bats has to move back to asm code, because we require translation to be enabled to have a stack for C code. The yucky thing about that is that the assembler doesn't like ULL so we have to switch to using HIGH/LOW pairs for physical addresses that are > 32 bits in length. Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org> Acked-by: York Sun <yorksun@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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