plat: marvell: ap807: enable snoop filter for ap807
Snoop filter needs to be enabled once per cluster.
Change-Id: I241e72f21982142ba290c7547df6f434e6a6a98d
Signed-off-by: Grzegorz Jaszczyk <jaz@semihalf.com>
diff --git a/plat/marvell/armada/a8k/common/aarch64/plat_arch_config.c b/plat/marvell/armada/a8k/common/aarch64/plat_arch_config.c
index 06dc841..9facdbc 100644
--- a/plat/marvell/armada/a8k/common/aarch64/plat_arch_config.c
+++ b/plat/marvell/armada/a8k/common/aarch64/plat_arch_config.c
@@ -13,7 +13,21 @@
#define CCU_HTC_ASET (MVEBU_CCU_BASE(MVEBU_AP0) + 0x264)
#define MVEBU_IO_AFFINITY (0xF00)
+#define MVEBU_SF_REG (MVEBU_REGS_BASE + 0x40)
+#define MVEBU_SF_EN BIT(8)
+#ifdef MVEBU_SOC_AP807
+static void plat_enable_snoop_filter(void)
+{
+ int cpu_id = plat_my_core_pos();
+
+ /* Snoop filter needs to be enabled once per cluster */
+ if (cpu_id % 2)
+ return;
+
+ mmio_setbits_32(MVEBU_SF_REG, MVEBU_SF_EN);
+}
+#endif
static void plat_enable_affinity(void)
{
@@ -42,4 +56,8 @@
/* Enable Affinity */
plat_enable_affinity();
+
+#ifdef MVEBU_SOC_AP807
+ plat_enable_snoop_filter();
+#endif
}