cpu/via/car: ensure CAR ends up zeroed out
We need to ensure the cache as ram area is set to all zeroes so that car_migrated works. Despite a comment claims the previous value is a test pattern it's actually not used for any testing. Drop the comment too. Change-Id: I1c91acbca8a860c2ed9c691d08d18718604682d8 Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Reviewed-on: https://review.coreboot.org/25796 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
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@ -149,12 +149,8 @@ clear_fixed_var_mtrr_out:
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movl %esi, %edi
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movl $(CacheSize >> 2), %ecx
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/*
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* 0x5c5c5c5c is a memory test pattern.
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* TODO: Check if everything works with the zero pattern as well.
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*/
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/* xorl %eax, %eax */
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xorl $0x5c5c5c5c, %eax
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/* Zero out the cache-as-ram area. */
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xorl %eax, %eax
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rep stosl
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#ifdef CARTEST
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