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-rw-r--r--include/asm-ppc/mmu.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/asm-ppc/mmu.h b/include/asm-ppc/mmu.h
index fd10249..ce7f081 100644
--- a/include/asm-ppc/mmu.h
+++ b/include/asm-ppc/mmu.h
@@ -213,7 +213,11 @@ extern void print_bats(void);
#define BATL_PADDR(x) ((phys_addr_t)((x & 0xfffe0000) \
| ((x & 0x0e00ULL) << 24) \
| ((x & 0x04ULL) << 30)))
-#define BATU_SIZE(x) (1UL << (fls((x & BATU_BL_MAX) >> 2) + 17))
+#define BATU_SIZE(x) (1ULL << (fls((x & BATU_BL_MAX) >> 2) + 17))
+
+/* bytes into BATU_BL */
+#define TO_BATU_BL(x) \
+ (u32)((((1ull << __ilog2_u64((u64)x)) / (128 * 1024)) - 1) * 4)
/* Used to set up SDR1 register */
#define HASH_TABLE_SIZE_64K 0x00010000