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Caveats about cache flush on ARCv2 based cores
- dcache is PIPT so paddr is sufficient for cache maintenance ops (no
need to setup PTAG reg
- icache is still VIPT but only aliasing configs need PTAG setup
So basically this is departure from MMU-v3 which always need vaddr in
line ops registers (DC_IVDL, DC_FLDL, IC_IVIL) but paddr in DC_PTAG,
IC_PTAG respectively.
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
- Remove the ifdef'ery and write distinct versions for each mmu ver even
if there is some code duplication
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
That is because __after_dc_op() already reads it for status check, so it
is better anyways to use that "newer" value.
Also reduces the clutter in callers for passing from/to these routines.
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
