iMX6: Disable the L2 before chaning the PL310 latency

[karo-tx-uboot.git] / arch / arm / cpu / armv7 / mx6 / soc.c

diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c
index ac84a1fbfb6517a737557418fc253bf2ad7aebbe..be4bf24020f1d6b294f7d6ff5171b4e5be9feb82 100644 (file)
--- a/arch/arm/cpu/armv7/mx6/soc.c
+++ b/arch/arm/cpu/armv7/mx6/soc.c
@@ -430,6 +430,9 @@ void v7_outer_cache_enable(void)
        }
 #endif
 
+       /* Must disable the L2 before changing the latency parameters */
+       clrbits_le32(&pl310->pl310_ctrl, L2X0_CTRL_EN);
+
        writel(0x132, &pl310->pl310_tag_latency_ctrl);
        writel(0x132, &pl310->pl310_data_latency_ctrl);