drivers: net: xgene: Add support for multiple queues

[cascardo/linux.git] / drivers / net / ethernet / apm / xgene / xgene_enet_hw.c

diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
index db55c9f..39e081a 100644 (file)
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
@@ -204,6 +204,17 @@ static u32 xgene_enet_ring_len(struct xgene_enet_desc_ring *ring)
        return num_msgs;
 }
 
+static void xgene_enet_setup_coalescing(struct xgene_enet_desc_ring *ring)
+{
+       u32 data = 0x7777;
+
+       xgene_enet_ring_wr32(ring, CSR_PBM_COAL, 0x8e);
+       xgene_enet_ring_wr32(ring, CSR_PBM_CTICK1, data);
+       xgene_enet_ring_wr32(ring, CSR_PBM_CTICK2, data << 16);
+       xgene_enet_ring_wr32(ring, CSR_THRESHOLD0_SET1, 0x40);
+       xgene_enet_ring_wr32(ring, CSR_THRESHOLD1_SET1, 0x80);
+}
+
 void xgene_enet_parse_error(struct xgene_enet_desc_ring *ring,
                            struct xgene_enet_pdata *pdata,
                            enum xgene_enet_err_code status)
@@ -892,4 +903,5 @@ struct xgene_ring_ops xgene_ring1_ops = {
        .clear = xgene_enet_clear_ring,
        .wr_cmd = xgene_enet_wr_cmd,
        .len = xgene_enet_ring_len,
+       .coalesce = xgene_enet_setup_coalescing,
 };