1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
4  * Copyright (C) 2007-2008 Semihalf, Rafal Jaworowski
5  * Copyright (C) 2006-2007 Semihalf, Piotr Kruszynski
28  * From: FreeBSD: head/sys/dev/tsec/if_tsec_ocp.c 188712 2009-02-17 14:59:47Z raj
32  * FDT 'simple-bus' attachment for Freescale TSEC controller.
80 	/* Device interface */
125 	 * Device trees with "fsl,etsec2" compatible nodes don't have a reg  in tsec_fdt_probe()
126 	 * property, as it's been relegated to the queue-group children.  in tsec_fdt_probe()
129 		sc->is_etsec = 1;  in tsec_fdt_probe()
131 		sc->sc_rrid = 0;  in tsec_fdt_probe()
132 		sc->sc_rres = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->sc_rrid,  in tsec_fdt_probe()
134 		if (sc->sc_rres == NULL)  in tsec_fdt_probe()
137 		sc->sc_bas.bsh = rman_get_bushandle(sc->sc_rres);  in tsec_fdt_probe()
138 		sc->sc_bas.bst = rman_get_bustag(sc->sc_rres);  in tsec_fdt_probe()
142 		sc->is_etsec = ((id >> 16) == TSEC_ETSEC_ID) ? 1 : 0;  in tsec_fdt_probe()
145 		bus_release_resource(dev, SYS_RES_MEMORY, sc->sc_rrid, sc->sc_rres);  in tsec_fdt_probe()
153 	if (sc->is_etsec)  in tsec_fdt_probe()
154 		device_set_desc(dev, "Enhanced Three-Speed Ethernet Controller");  in tsec_fdt_probe()
156 		device_set_desc(dev, "Three-Speed Ethernet Controller");  in tsec_fdt_probe()
171 	sc->dev = dev;  in tsec_fdt_attach()
172 	sc->node = ofw_bus_get_node(dev);  in tsec_fdt_attach()
174 	if (fdt_addrsize_cells(sc->node, &acells, &scells) != 0) {  in tsec_fdt_attach()
185 		child = OF_child(sc->node);  in tsec_fdt_attach()
190 	/* Get phy address from fdt */  in tsec_fdt_attach()
191 	if (OF_getencprop(sc->node, "phy-handle", &phy, sizeof(phy)) <= 0) {  in tsec_fdt_attach()
192 		device_printf(dev, "PHY not found in device tree");  in tsec_fdt_attach()
198 	OF_decode_addr(mdio, 0, &sc->phy_bst, &sc->phy_bsh, NULL);  in tsec_fdt_attach()
199 	OF_getencprop(phy, "reg", &sc->phyaddr, sizeof(sc->phyaddr));  in tsec_fdt_attach()
202 	 * etsec2 MDIO nodes are given the MDIO module base address, so we need  in tsec_fdt_attach()
205 	if (ofw_bus_node_is_compatible(mdio, "fsl,etsec2-mdio"))  in tsec_fdt_attach()
206 		sc->phy_regoff = TSEC_REG_MIIBASE;  in tsec_fdt_attach()
209 	callout_init(&sc->tsec_callout, 1);  in tsec_fdt_attach()
212 	mtx_init(&sc->transmit_lock, device_get_nameunit(dev), "TSEC TX lock",  in tsec_fdt_attach()
214 	mtx_init(&sc->receive_lock, device_get_nameunit(dev), "TSEC RX lock",  in tsec_fdt_attach()
216 	mtx_init(&sc->ic_lock, device_get_nameunit(dev), "TSEC IC lock",  in tsec_fdt_attach()
220 	sc->sc_rrid = 0;  in tsec_fdt_attach()
221 	sc->sc_rres = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->sc_rrid,  in tsec_fdt_attach()
223 	if (sc->sc_rres == NULL) {  in tsec_fdt_attach()
227 	sc->sc_bas.bsh = rman_get_bushandle(sc->sc_rres);  in tsec_fdt_attach()
228 	sc->sc_bas.bst = rman_get_bustag(sc->sc_rres);  in tsec_fdt_attach()
237 	sc->sc_transmit_irid = TSEC_RID_TXIRQ;  in tsec_fdt_attach()
238 	error = tsec_setup_intr(sc, &sc->sc_transmit_ires,  in tsec_fdt_attach()
239 	    &sc->sc_transmit_ihand, &sc->sc_transmit_irid,  in tsec_fdt_attach()
244 	sc->sc_receive_irid = TSEC_RID_RXIRQ;  in tsec_fdt_attach()
245 	error = tsec_setup_intr(sc, &sc->sc_receive_ires,  in tsec_fdt_attach()
246 	    &sc->sc_receive_ihand, &sc->sc_receive_irid,  in tsec_fdt_attach()
251 	sc->sc_error_irid = TSEC_RID_ERRIRQ;  in tsec_fdt_attach()
252 	error = tsec_setup_intr(sc, &sc->sc_error_ires,  in tsec_fdt_attach()
253 	    &sc->sc_error_ihand, &sc->sc_error_irid,  in tsec_fdt_attach()
261 	tsec_release_intr(sc, sc->sc_receive_ires, sc->sc_receive_ihand,  in tsec_fdt_attach()
262 	    sc->sc_receive_irid, "RX");  in tsec_fdt_attach()
264 	tsec_release_intr(sc, sc->sc_transmit_ires, sc->sc_transmit_ihand,  in tsec_fdt_attach()
265 	    sc->sc_transmit_irid, "TX");  in tsec_fdt_attach()
267 	bus_release_resource(dev, SYS_RES_MEMORY, sc->sc_rrid, sc->sc_rres);  in tsec_fdt_attach()
269 	mtx_destroy(&sc->receive_lock);  in tsec_fdt_attach()
270 	mtx_destroy(&sc->transmit_lock);  in tsec_fdt_attach()
280 	*ires = bus_alloc_resource_any(sc->dev, SYS_RES_IRQ, irid, RF_ACTIVE);  in tsec_setup_intr()
282 		device_printf(sc->dev, "could not allocate %s IRQ\n", iname);  in tsec_setup_intr()
285 	error = bus_setup_intr(sc->dev, *ires, INTR_TYPE_NET | INTR_MPSAFE,  in tsec_setup_intr()
288 		device_printf(sc->dev, "failed to set up %s IRQ\n", iname);  in tsec_setup_intr()
289 		if (bus_release_resource(sc->dev, SYS_RES_IRQ, *irid, *ires))  in tsec_setup_intr()
290 			device_printf(sc->dev, "could not release %s IRQ\n", iname);  in tsec_setup_intr()
306 	error = bus_teardown_intr(sc->dev, ires, ihand);  in tsec_release_intr()
308 		device_printf(sc->dev, "bus_teardown_intr() failed for %s intr"  in tsec_release_intr()
311 	error = bus_release_resource(sc->dev, SYS_RES_IRQ, irid, ires);  in tsec_release_intr()
313 		device_printf(sc->dev, "bus_release_resource() failed for %s "  in tsec_release_intr()
326 	callout_drain(&sc->tsec_callout);  in tsec_fdt_detach()
329 	tsec_release_intr(sc, sc->sc_transmit_ires, sc->sc_transmit_ihand,  in tsec_fdt_detach()
330 	    sc->sc_transmit_irid, "TX");  in tsec_fdt_detach()
331 	tsec_release_intr(sc, sc->sc_receive_ires, sc->sc_receive_ihand,  in tsec_fdt_detach()
332 	    sc->sc_receive_irid, "RX");  in tsec_fdt_detach()
333 	tsec_release_intr(sc, sc->sc_error_ires, sc->sc_error_ihand,  in tsec_fdt_detach()
334 	    sc->sc_error_irid, "ERR");  in tsec_fdt_detach()
340 	if (sc->sc_rres) {  in tsec_fdt_detach()
341 		error = bus_release_resource(dev, SYS_RES_MEMORY, sc->sc_rrid,  in tsec_fdt_detach()
342 		    sc->sc_rres);  in tsec_fdt_detach()
349 	mtx_destroy(&sc->receive_lock);  in tsec_fdt_detach()
350 	mtx_destroy(&sc->transmit_lock);  in tsec_fdt_detach()
351 	mtx_destroy(&sc->ic_lock);  in tsec_fdt_detach()
361 	} hw;  in tsec_get_hwaddr()  local
364 	hw.reg[0] = hw.reg[1] = 0;  in tsec_get_hwaddr()
366 	/* Retrieve the hardware address from the device tree. */  in tsec_get_hwaddr()
367 	i = OF_getprop(sc->node, "local-mac-address", (void *)hw.addr, 6);  in tsec_get_hwaddr()
368 	if (i == 6 && (hw.reg[0] != 0 || hw.reg[1] != 0)) {  in tsec_get_hwaddr()
369 		bcopy(hw.addr, addr, 6);  in tsec_get_hwaddr()
373 	/* Also try the mac-address property, which is second-best */  in tsec_get_hwaddr()
374 	i = OF_getprop(sc->node, "mac-address", (void *)hw.addr, 6);  in tsec_get_hwaddr()
375 	if (i == 6 && (hw.reg[0] != 0 || hw.reg[1] != 0)) {  in tsec_get_hwaddr()
376 		bcopy(hw.addr, addr, 6);  in tsec_get_hwaddr()
381 	 * Fall back -- use the currently programmed address in the hope that  in tsec_get_hwaddr()
384 	hw.reg[0] = TSEC_READ(sc, TSEC_REG_MACSTNADDR1);  in tsec_get_hwaddr()
385 	hw.reg[1] = TSEC_READ(sc, TSEC_REG_MACSTNADDR2);  in tsec_get_hwaddr()
387 		addr[5-i] = hw.addr[i];  in tsec_get_hwaddr()