1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
2 /* Distributed Switch Architecture VSC9953 driver
10 #include <linux/mdio/mdio-mscc-miim.h>
13 #include <linux/pcs-lynx.h>
600 	/* Layer-3 Information */
606 	/* Layer-4 Information */
812 	/* soft-reset the switch core */  in vsc9953_reset()
818 		dev_err(ocelot->dev, "timeout: switch core reset\n");  in vsc9953_reset()
822 	/* initialize switch mem ~40us */  in vsc9953_reset()
830 		dev_err(ocelot->dev, "timeout: switch sram init\n");  in vsc9953_reset()
834 	/* enable switch core */  in vsc9953_reset()
842  * Bit 8-0: Value to be multiplied with unit
882 	struct device *dev = ocelot->dev;  in vsc9953_mdio_bus_alloc()
887 	felix->pcs = devm_kcalloc(dev, felix->info->num_ports,  in vsc9953_mdio_bus_alloc()
890 	if (!felix->pcs) {  in vsc9953_mdio_bus_alloc()
892 		return -ENOMEM;  in vsc9953_mdio_bus_alloc()
895 	rc = mscc_miim_setup(dev, &bus, "VSC9953 internal MDIO bus",  in vsc9953_mdio_bus_alloc()
896 			     ocelot->targets[GCB],  in vsc9953_mdio_bus_alloc()
897 			     ocelot->map[GCB][GCB_MIIM_MII_STATUS & REG_MASK],  in vsc9953_mdio_bus_alloc()
911 	felix->imdio = bus;  in vsc9953_mdio_bus_alloc()
913 	for (port = 0; port < felix->info->num_ports; port++) {  in vsc9953_mdio_bus_alloc()
914 		struct ocelot_port *ocelot_port = ocelot->ports[port];  in vsc9953_mdio_bus_alloc()
918 		if (dsa_is_unused_port(felix->ds, port))  in vsc9953_mdio_bus_alloc()
921 		if (ocelot_port->phy_mode == PHY_INTERFACE_MODE_INTERNAL)  in vsc9953_mdio_bus_alloc()
924 		phylink_pcs = lynx_pcs_create_mdiodev(felix->imdio, addr);  in vsc9953_mdio_bus_alloc()
928 		felix->pcs[port] = phylink_pcs;  in vsc9953_mdio_bus_alloc()
941 	for (port = 0; port < ocelot->num_phys_ports; port++) {  in vsc9953_mdio_bus_free()
942 		struct phylink_pcs *phylink_pcs = felix->pcs[port];  in vsc9953_mdio_bus_free()
982 		err = -ENOMEM;  in seville_probe()
983 		dev_err(&pdev->dev, "Failed to allocate driver memory\n");  in seville_probe()
989 	ocelot = &felix->ocelot;  in seville_probe()
990 	ocelot->dev = &pdev->dev;  in seville_probe()
991 	ocelot->num_flooding_pgids = 1;  in seville_probe()
992 	felix->info = &seville_info_vsc9953;  in seville_probe()
996 		err = -EINVAL;  in seville_probe()
997 		dev_err(&pdev->dev, "Invalid resource\n");  in seville_probe()
1000 	felix->switch_base = res->start;  in seville_probe()
1004 		err = -ENOMEM;  in seville_probe()
1005 		dev_err(&pdev->dev, "Failed to allocate DSA switch\n");  in seville_probe()
1009 	ds->dev = &pdev->dev;  in seville_probe()
1010 	ds->num_ports = felix->info->num_ports;  in seville_probe()
1011 	ds->ops = &felix_switch_ops;  in seville_probe()
1012 	ds->priv = ocelot;  in seville_probe()
1013 	felix->ds = ds;  in seville_probe()
1014 	felix->tag_proto = DSA_TAG_PROTO_SEVILLE;  in seville_probe()
1018 		dev_err(&pdev->dev, "Failed to register DSA switch: %d\n", err);  in seville_probe()
1039 	dsa_unregister_switch(felix->ds);  in seville_remove()
1041 	kfree(felix->ds);  in seville_remove()
1052 	dsa_switch_shutdown(felix->ds);  in seville_shutdown()
1058 	{ .compatible = "mscc,vsc9953-switch" },
1074 MODULE_DESCRIPTION("Seville Switch driver");