ppc/85xx: Add a simple function to search the TLB

[J-u-boot.git] / include / asm-ppc / mmu.h

diff --git a/include/asm-ppc/mmu.h b/include/asm-ppc/mmu.h
index fa92b90c3378008cff199f2180031e0a7492961b..eda2959b7d0a42eddeb36d13f577af252eb83a86 100644 (file)
--- a/include/asm-ppc/mmu.h
+++ b/include/asm-ppc/mmu.h
@@ -387,8 +387,10 @@ extern void print_bats(void);
  * FSL Book-E support
  */
 
-#define MAS0_TLBSEL(x) ((x << 28) & 0x30000000)
-#define MAS0_ESEL(x)   ((x << 16) & 0x0FFF0000)
+#define MAS0_TLBSEL_MSK        0x30000000
+#define MAS0_TLBSEL(x) ((x << 28) & MAS0_TLBSEL_MSK)
+#define MAS0_ESEL_MSK  0x0FFF0000
+#define MAS0_ESEL(x)   ((x << 16) & MAS0_ESEL_MSK)
 #define MAS0_NV(x)     ((x) & 0x00000FFF)
 
 #define MAS1_VALID     0x80000000
@@ -474,6 +476,7 @@ extern void set_tlb(u8 tlb, u32 epn, u64 rpn,
 extern void disable_tlb(u8 esel);
 extern void invalidate_tlb(u8 tlb);
 extern void init_tlbs(void);
+extern int find_tlb_idx(void *addr, u8 tlbsel);
 
 extern unsigned int setup_ddr_tlbs(unsigned int memsize_in_meg);