ARM: i.MX: system.c: Replace magic numbers

Replace magic numbers used to form L310 Prefetch Control Register value.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

1 files changed, 4 insertions, 1 deletions

diff --git a/arch/arm/mach-imx/system.c b/arch/arm/mach-imx/system.c
index b1533768adb0..76d7ebe883d7 100644
--- a/arch/arm/mach-imx/system.c
+++ b/arch/arm/mach-imx/system.c
@@ -109,7 +109,10 @@ void __init imx_init_l2cache(void)
         if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & L2X0_CTRL_EN)) {
                 /* Configure the L2 PREFETCH and POWER registers */
                 val = readl_relaxed(l2x0_base + L310_PREFETCH_CTRL);
-                val |= 0x70800000;
+                val |= L310_PREFETCH_CTRL_DBL_LINEFILL |
+                        L310_PREFETCH_CTRL_INSTR_PREFETCH |
+                        L310_PREFETCH_CTRL_DATA_PREFETCH |
+                        L310_PREFETCH_CTRL_DBL_LINEFILL_INCR;
                 writel_relaxed(val, l2x0_base + L310_PREFETCH_CTRL);
         }