Nicholas Piggin 737a3fa20f nios2: flush_tlb_all use TLBMISC way auto-increment feature
Writes to TLBACC cause TLBMISC way to be incremented, which can be
used to iterate over ways in a set, then wrap back to zero ready for
the next set. This reduces register writes significantly.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>
2019-03-07 05:29:35 +08:00
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