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mpc85xx: tlb.c cleanups

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Extract the operation to read a tlb into a function - we will need
this later to print out the tlbs, and there's no point in duplicating
the code.  Create a TSIZE_TO_BYTES macro to deal with the conversion
from the MAS field to an actual size instead of duplicating this in code.
There are a few misc other minor cleanups.

Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Becky Bruce
2010-06-17 11:37:21 -05:00
committed by Kumar Gala
parent f51cdaf191
commit 4e63df300f
2 changed files with 25 additions and 26 deletions
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arch/powerpc/include/asm/mmu.h
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@@ -402,6 +402,7 @@ extern void print_bats(void);
#define MAS1_TID(x) ((x << 16) & 0x3FFF0000)
#define MAS1_TS 0x00001000
#define MAS1_TSIZE(x) ((x << 8) & 0x00000F00)
#define TSIZE_TO_BYTES(x) ((phys_addr_t)(1UL << ((tsize * 2) + 10)))
#define MAS2_EPN 0xFFFFF000
#define MAS2_X0 0x00000040