Am 21.03.22 um 10:26 schrieb Oleksij Rempel:
Add DSA based port multiplexing functionality for barebox. With this
framework we will be able to use different ports of as switch
separately.
Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
---
drivers/net/Kconfig | 3 +
drivers/net/Makefile | 1 +
drivers/net/dsa.c | 385 +++++++++++++++++++++++++++++++++++++++++++
include/dsa.h | 94 +++++++++++
4 files changed, 483 insertions(+)
create mode 100644 drivers/net/dsa.c
create mode 100644 include/dsa.h
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index b583299a44..419f8c515d 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -17,6 +17,9 @@ config HAS_MACB
config PHYLIB
bool
+config DSA
+ bool
+
menu "Network drivers"
depends on NET
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index 563dfdfd9e..ef3513a6b0 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -1,4 +1,5 @@
# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_DSA) += dsa.o
obj-$(CONFIG_PHYLIB) += phy/
obj-$(CONFIG_NET_USB) += usb/
diff --git a/drivers/net/dsa.c b/drivers/net/dsa.c
new file mode 100644
index 0000000000..a9e3563b9b
--- /dev/null
+++ b/drivers/net/dsa.c
@@ -0,0 +1,385 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <common.h>
+#include <dma.h>
+#include <dsa.h>
+#include <of_net.h>
+
+static int dsa_port_probe(struct eth_device *edev)
+{
+ struct dsa_port *dp = edev->priv;
+ struct dsa_switch *ds = dp->ds;
+ const struct dsa_ops *ops = ds->ops;
+ phy_interface_t interface;
+ int ret;
+
+ interface = of_get_phy_mode(dp->dev.device_node);
+ ret = phy_device_connect(edev, NULL, 0, NULL, 0, interface);
+ if (ret)
+ return ret;
+
+ if (ops->port_probe) {
+ ret = ops->port_probe(dp, dp->index, dp->edev.phydev);
+ if (ret)
+ return ret;
+ }
The probe part should be reworked to enable CLK for RMII PHYs early.
--
Regards,
Oleksij
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