net/enetc: init SI transactions attribute register

[dpdk.git] / drivers / net / enetc / enetc_ethdev.c

diff --git a/drivers/net/enetc/enetc_ethdev.c b/drivers/net/enetc/enetc_ethdev.c
index eb637d0..1716e11 100644 (file)
--- a/drivers/net/enetc/enetc_ethdev.c
+++ b/drivers/net/enetc/enetc_ethdev.c
@@ -150,6 +150,12 @@ enetc_hardware_init(struct enetc_eth_hw *hw)
        /* WA for Rx lock-up HW erratum */
        enetc_port_wr(enetc_hw, ENETC_PM0_RX_FIFO, 1);
 
+       /* set ENETC transaction flags to coherent, don't allocate.
+        * BD writes merge with surrounding cache line data, frame data writes
+        * overwrite cache line.
+        */
+       enetc_wr(enetc_hw, ENETC_SICAR0, ENETC_SICAR0_COHERENT);
+
        /* Enabling Station Interface */
        enetc_wr(enetc_hw, ENETC_SIMR, ENETC_SIMR_EN);