[RFC PATCH net-next 2/2] net: ti: icssg-prueth: Add AM64x icssg support

From: MD Danish Anwar
Date: Wed Aug 30 2023 - 14:38:36 EST


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

Signed-off-by: MD Danish Anwar <danishanwar@xxxxxx>
---
drivers/net/ethernet/ti/icssg/icssg_prueth.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/net/ethernet/ti/icssg/icssg_prueth.c b/drivers/net/ethernet/ti/icssg/icssg_prueth.c
index 3236af45aa4e..c2d1d0c7deb0 100644
--- a/drivers/net/ethernet/ti/icssg/icssg_prueth.c
+++ b/drivers/net/ethernet/ti/icssg/icssg_prueth.c
@@ -2676,8 +2676,13 @@ static const struct prueth_pdata am654_icssg_pdata = {
.switch_mode = 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);
--
2.34.1