net: ti: icssg-prueth: Add AM64x icssg support

Add AM64x ICSSG support which is similar to am65x SR2.0, but required:
- all ring configured in exposed ring mode
- always fill both original and buffer fields in cppi5 desc

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Signed-off-by: MD Danish Anwar <danishanwar@ti.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

diff --git a/drivers/net/ethernet/ti/icssg/icssg_prueth.c b/drivers/net/ethernet/ti/icssg/icssg_prueth.c
index 410612f43cbd0a5c979c50f021a4e6dff63a58a5..92b13057d4debde67a358ea72ba308859e0f0d33 100644 (file)
--- a/drivers/net/ethernet/ti/icssg/icssg_prueth.c
+++ b/drivers/net/ethernet/ti/icssg/icssg_prueth.c
@@ -2313,8 +2313,13 @@ static const struct prueth_pdata am654_icssg_pdata = {
        .quirk_10m_link_issue = 1,
 };
 
+static const struct prueth_pdata am64x_icssg_pdata = {
+       .fdqring_mode = K3_RINGACC_RING_MODE_RING,
+};
+
 static const struct of_device_id prueth_dt_match[] = {
        { .compatible = "ti,am654-icssg-prueth", .data = &am654_icssg_pdata },
+       { .compatible = "ti,am642-icssg-prueth", .data = &am64x_icssg_pdata },
        { /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, prueth_dt_match);