ARM: socfpga: Configure PL310 latencies

[oweals/u-boot.git] / arch / arm / mach-socfpga / misc.c

diff --git a/arch/arm/mach-socfpga/misc.c b/arch/arm/mach-socfpga/misc.c
index e1adea143cf65c8393aec469c8a02d12fc43e424..fcf211d62bd628e3a7b10f58ea66e05c7460f3dd 100644 (file)
--- a/arch/arm/mach-socfpga/misc.c
+++ b/arch/arm/mach-socfpga/misc.c
@@ -62,6 +62,9 @@ void v7_outer_cache_enable(void)
        /* Disable the L2 cache */
        clrbits_le32(&pl310->pl310_ctrl, L2X0_CTRL_EN);
 
+       writel(0x111, &pl310->pl310_tag_latency_ctrl);
+       writel(0x121, &pl310->pl310_data_latency_ctrl);
+
        /* enable BRESP, instruction and data prefetch, full line of zeroes */
        setbits_le32(&pl310->pl310_aux_ctrl,
                     L310_AUX_CTRL_DATA_PREFETCH_MASK |