powerpc/85xx: clear out TLB on boot

Instead of just shooting down the entry that covers CCSR, clear out
every TLB entry that isn't the one that we're executing out of.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h
index 209103e..2e0e292 100644
--- a/arch/powerpc/include/asm/mmu.h
+++ b/arch/powerpc/include/asm/mmu.h
@@ -475,6 +475,10 @@
 #define BOOKE_PAGESZ_256GB	14
 #define BOOKE_PAGESZ_1TB	15
 
+#define TLBIVAX_ALL		4
+#define TLBIVAX_TLB0		0
+#define TLBIVAX_TLB1		8
+
 #ifdef CONFIG_E500
 #ifndef __ASSEMBLY__
 extern void set_tlb(u8 tlb, u32 epn, u64 rpn,