ARM: pl310: Add macro's for handling tag and data latency mask

Add the PL310 macros for latency control setup, read and write bits.

Reviewed-by: Marek Vasut <marex@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>

diff --git a/arch/arm/include/asm/pl310.h b/arch/arm/include/asm/pl310.h
index b83978b1cc680ee27f8b917843158bdc4187dc36..f69e9e45f8668d8918b479fe7e72943f4d122345 100644 (file)
--- a/arch/arm/include/asm/pl310.h
+++ b/arch/arm/include/asm/pl310.h
@@ -18,6 +18,9 @@
 #define L310_SHARED_ATT_OVERRIDE_ENABLE                (1 << 22)
 #define L310_AUX_CTRL_DATA_PREFETCH_MASK       (1 << 28)
 #define L310_AUX_CTRL_INST_PREFETCH_MASK       (1 << 29)
+#define L310_LATENCY_CTRL_SETUP(n)             ((n) << 0)
+#define L310_LATENCY_CTRL_RD(n)                        ((n) << 4)
+#define L310_LATENCY_CTRL_WR(n)                        ((n) << 8)
 
 #define L2X0_CACHE_ID_PART_MASK     (0xf << 6)
 #define L2X0_CACHE_ID_PART_L310     (3 << 6)