1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
3  * Microsemi Ocelot Switch driver
33 	ocelot->map = vsc7514_regmap;  in ocelot_chip_init()
34 	ocelot->num_mact_rows = 1024;  in ocelot_chip_init()
35 	ocelot->ops = ops;  in ocelot_chip_init()
43 	eth_random_addr(ocelot->base_mac);  in ocelot_chip_init()
44 	ocelot->base_mac[5] &= 0xf0;  in ocelot_chip_init()
61 		skb->dev->stats.rx_bytes += skb->len;  in ocelot_xtr_irq_handler()
62 		skb->dev->stats.rx_packets++;  in ocelot_xtr_irq_handler()
85 	{ .compatible = "mscc,vsc7514-switch" },
120 	for (port = 0; port < ocelot->num_phys_ports; port++)  in mscc_ocelot_teardown_devlink_ports()
128 	for (port = 0; port < ocelot->num_phys_ports; port++) {  in mscc_ocelot_release_ports()
131 		ocelot_port = ocelot->ports[port];  in mscc_ocelot_release_ports()
149 	ocelot->ports = devm_kcalloc(ocelot->dev, ocelot->num_phys_ports,  in mscc_ocelot_init_ports()
151 	if (!ocelot->ports)  in mscc_ocelot_init_ports()
152 		return -ENOMEM;  in mscc_ocelot_init_ports()
154 	ocelot->devlink_ports = devm_kcalloc(ocelot->dev,  in mscc_ocelot_init_ports()
155 					     ocelot->num_phys_ports,  in mscc_ocelot_init_ports()
156 					     sizeof(*ocelot->devlink_ports),  in mscc_ocelot_init_ports()
158 	if (!ocelot->devlink_ports)  in mscc_ocelot_init_ports()
159 		return -ENOMEM;  in mscc_ocelot_init_ports()
170 		if (port < 0 || port >= ocelot->num_phys_ports) {  in mscc_ocelot_init_ports()
171 			dev_err(ocelot->dev,  in mscc_ocelot_init_ports()
173 				ocelot->num_phys_ports);  in mscc_ocelot_init_ports()
205 	for (port = 0; port < ocelot->num_phys_ports; port++) {  in mscc_ocelot_init_ports()
223 	for (port = 0; port < ocelot->num_phys_ports; port++) {  in mscc_ocelot_init_ports()
232 	struct device_node *np = pdev->dev.of_node;  in mscc_ocelot_probe()
257 	if (!np && !pdev->dev.platform_data)  in mscc_ocelot_probe()
258 		return -ENODEV;  in mscc_ocelot_probe()
261 		devlink_alloc(&ocelot_devlink_ops, sizeof(*ocelot), &pdev->dev);  in mscc_ocelot_probe()
263 		return -ENOMEM;  in mscc_ocelot_probe()
266 	ocelot->devlink = priv_to_devlink(ocelot);  in mscc_ocelot_probe()
268 	ocelot->dev = &pdev->dev;  in mscc_ocelot_probe()
280 				ocelot->targets[io_target[i].id] = NULL;  in mscc_ocelot_probe()
287 		ocelot->targets[io_target[i].id] = target;  in mscc_ocelot_probe()
290 	if (ocelot->targets[FDMA])  in mscc_ocelot_probe()
293 	hsio = syscon_regmap_lookup_by_compatible("mscc,ocelot-hsio");  in mscc_ocelot_probe()
295 		dev_err(&pdev->dev, "missing hsio syscon\n");  in mscc_ocelot_probe()
300 	ocelot->targets[HSIO] = hsio;  in mscc_ocelot_probe()
312 	err = devm_request_threaded_irq(&pdev->dev, irq_xtr, NULL,  in mscc_ocelot_probe()
319 	if (irq_ptp_rdy > 0 && ocelot->targets[PTP]) {  in mscc_ocelot_probe()
320 		err = devm_request_threaded_irq(&pdev->dev, irq_ptp_rdy, NULL,  in mscc_ocelot_probe()
328 		ocelot->ptp = 1;  in mscc_ocelot_probe()
331 	ports = of_get_child_by_name(np, "ethernet-ports");  in mscc_ocelot_probe()
333 		dev_err(ocelot->dev, "no ethernet-ports child node found\n");  in mscc_ocelot_probe()
334 		err = -ENODEV;  in mscc_ocelot_probe()
338 	ocelot->num_phys_ports = of_get_child_count(ports);  in mscc_ocelot_probe()
339 	ocelot->num_flooding_pgids = 1;  in mscc_ocelot_probe()
341 	ocelot->vcap = vsc7514_vcap_props;  in mscc_ocelot_probe()
343 	ocelot->vcap_pol.base = VSC7514_VCAP_POLICER_BASE;  in mscc_ocelot_probe()
344 	ocelot->vcap_pol.max = VSC7514_VCAP_POLICER_MAX;  in mscc_ocelot_probe()
346 	ocelot->npi = -1;  in mscc_ocelot_probe()
356 	if (ocelot->fdma)  in mscc_ocelot_probe()
363 	if (ocelot->ptp) {  in mscc_ocelot_probe()
366 			dev_err(ocelot->dev,  in mscc_ocelot_probe()
368 			ocelot->ptp = 0;  in mscc_ocelot_probe()
379 	dev_info(&pdev->dev, "Ocelot switch probed\n");  in mscc_ocelot_probe()
399 	if (ocelot->fdma)  in mscc_ocelot_remove()
401 	devlink_unregister(ocelot->devlink);  in mscc_ocelot_remove()
410 	devlink_free(ocelot->devlink);  in mscc_ocelot_remove()
417 		.name = "ocelot-switch",
424 MODULE_DESCRIPTION("Microsemi Ocelot switch driver");