1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
4  * Copyright © 2021-2022 Dmitry Salychev
31  * The DPAA2 Management Complex (MC) Bus Driver (FDT-based).
35  * hardware objects used in network-oriented packet processing applications.
40 #include <sys/bus.h>
46 #include <machine/bus.h>
73 		compatible = "fsl,qoriq-mc-dpmac";
76 		pcs-handle = <0x15>;
77 		phy-connection-type = "10gbase-r";
78 		managed = "in-band-status";
82 		compatible = "fsl,qoriq-mc-dpmac";
84 		phy-handle = <0x18>;
85 		phy-connection-type = "qsgmii";
86 		managed = "in-band-status";
87 		pcs-handle = <0x19>;
99 	if (!ofw_bus_node_is_compatible(node, "fsl,qoriq-mc-dpmac")) {  in dpaa2_mac_dev_probe()
100 		device_printf(dev, "'%s' not fsl,qoriq-mc-dpmac compatible\n",  in dpaa2_mac_dev_probe()
107 	if (s == -1) {  in dpaa2_mac_dev_probe()
127 	s = device_get_property(dev, "reg", &sc->reg, sizeof(sc->reg),  in dpaa2_mac_fdt_attach()
129 	if (s == -1) {  in dpaa2_mac_fdt_attach()
134 	s = device_get_property(dev, "managed", sc->managed,  in dpaa2_mac_fdt_attach()
135 	    sizeof(sc->managed), DEVICE_PROP_ANY);  in dpaa2_mac_fdt_attach()
136 	s = device_get_property(dev, "phy-connection-type", sc->phy_conn_type,  in dpaa2_mac_fdt_attach()
137 	    sizeof(sc->phy_conn_type), DEVICE_PROP_ANY);  in dpaa2_mac_fdt_attach()
138 	s = device_get_property(dev, "pcs-handle", &sc->pcs_handle,  in dpaa2_mac_fdt_attach()
139 	    sizeof(sc->pcs_handle), DEVICE_PROP_HANDLE);  in dpaa2_mac_fdt_attach()
141 	/* 'sfp' and 'phy-handle' are optional but we need one or the other. */  in dpaa2_mac_fdt_attach()
142 	s = device_get_property(dev, "sfp", &sc->sfp, sizeof(sc->sfp),  in dpaa2_mac_fdt_attach()
144 	s = device_get_property(dev, "phy-handle", &sc->phy_handle,  in dpaa2_mac_fdt_attach()
145 	    sizeof(sc->phy_handle), DEVICE_PROP_HANDLE);  in dpaa2_mac_fdt_attach()
148 		device_printf(dev, "node %#x '%s': reg %#x sfp %#x pcs-handle "  in dpaa2_mac_fdt_attach()
149 		    "%#x phy-handle %#x managed '%s' phy-conn-type '%s'\n",  in dpaa2_mac_fdt_attach()
151 		    sc->reg, sc->sfp, sc->pcs_handle, sc->phy_handle,  in dpaa2_mac_fdt_attach()
152 		    sc->managed, sc->phy_conn_type);  in dpaa2_mac_fdt_attach()
158 dpaa2_mac_fdt_match_id(device_t dev, uint32_t id)  in dpaa2_mac_fdt_match_id()  argument
166 	if (sc->reg == id)  in dpaa2_mac_fdt_match_id()
181 	if (sc->phy_handle == 0 && sc->sfp == 0)  in dpaa2_mac_fdt_get_phy_dev()
185 	if (sc->sfp != 0) {  in dpaa2_mac_fdt_get_phy_dev()
188 		xdev = OF_device_from_xref(OF_xref_from_node(sc->sfp));  in dpaa2_mac_fdt_get_phy_dev()
193 	return (OF_device_from_xref(OF_xref_from_node(sc->phy_handle)));  in dpaa2_mac_fdt_get_phy_dev()
220 	if (!ofw_bus_is_compatible(dev, "fsl,qoriq-mc"))  in dpaa2_mc_fdt_probe()
228 dpaa2_mc_fdt_probe_child(device_t bus, phandle_t child)  in dpaa2_mc_fdt_probe_child()  argument
233 	childdev = ofw_bus_find_child_device_by_phandle(bus, child);  in dpaa2_mc_fdt_probe_child()
237 	childdev = simplebus_add_device(bus, child, 0, "dpaa2_mac_fdt", -1,  in dpaa2_mc_fdt_probe_child()
253 	sc->acpi_based = false;  in dpaa2_mc_fdt_attach()
254 	sc->ofw_node = ofw_bus_get_node(dev);  in dpaa2_mc_fdt_attach()
265 	/* fsl-mc -> dpamcs */  in dpaa2_mc_fdt_attach()
266 	node = OF_child(sc->ofw_node);  in dpaa2_mc_fdt_attach()
270 	child = ofw_bus_find_compatible(node, "fsl,qoriq-mc-dpmac");  in dpaa2_mc_fdt_attach()
272 		if (!ofw_bus_node_is_compatible(child, "fsl,qoriq-mc-dpmac"))  in dpaa2_mc_fdt_attach()
287 dpaa2_mc_fdt_find_dpaa2_mac_dev(device_t dev, uint32_t id)  in dpaa2_mc_fdt_find_dpaa2_mac_dev()  argument
308 		if (dpaa2_mac_fdt_match_id(mdev, id))  in dpaa2_mc_fdt_find_dpaa2_mac_dev()
316 dpaa2_mc_fdt_get_phy_dev(device_t dev, device_t *phy_dev, uint32_t id)  in dpaa2_mc_fdt_get_phy_dev()  argument
320 	mdev = dpaa2_mc_fdt_find_dpaa2_mac_dev(dev, id);  in dpaa2_mc_fdt_get_phy_dev()
322 		device_printf(dev, "%s: error finding dpmac device with id=%u\n",  in dpaa2_mc_fdt_get_phy_dev()
323 		    __func__, id);  in dpaa2_mc_fdt_get_phy_dev()
330 		    "(id=%u)\n", __func__, device_get_nameunit(mdev), id);  in dpaa2_mc_fdt_get_phy_dev()
339 		    id, mdev, device_get_nameunit(mdev),  in dpaa2_mc_fdt_get_phy_dev()
346 dpaa2_mc_simplebus_get_devinfo(device_t bus, device_t child)  in dpaa2_mc_simplebus_get_devinfo()  argument
349 	return (OFW_BUS_GET_DEVINFO(device_get_parent(bus), child));  in dpaa2_mc_simplebus_get_devinfo()
358 	/* Bus interface */
368 	/* Pseudo-PCIB interface */
374 	/* DPAA2 MC bus interface */