xref: /freebsd/sys/dev/tsec/if_tsec_fdt.c (revision df0437ca6f17fad39f2f7f4e1359b0cd45b021ea)
1d1d3233eSRafal Jaworowski /*-
2d1d3233eSRafal Jaworowski  * Copyright (C) 2007-2008 Semihalf, Rafal Jaworowski
3d1d3233eSRafal Jaworowski  * Copyright (C) 2006-2007 Semihalf, Piotr Kruszynski
4d1d3233eSRafal Jaworowski  * All rights reserved.
5d1d3233eSRafal Jaworowski  *
6d1d3233eSRafal Jaworowski  * Redistribution and use in source and binary forms, with or without
7d1d3233eSRafal Jaworowski  * modification, are permitted provided that the following conditions
8d1d3233eSRafal Jaworowski  * are met:
9d1d3233eSRafal Jaworowski  * 1. Redistributions of source code must retain the above copyright
10d1d3233eSRafal Jaworowski  *    notice, this list of conditions and the following disclaimer.
11d1d3233eSRafal Jaworowski  * 2. Redistributions in binary form must reproduce the above copyright
12d1d3233eSRafal Jaworowski  *    notice, this list of conditions and the following disclaimer in the
13d1d3233eSRafal Jaworowski  *    documentation and/or other materials provided with the distribution.
14d1d3233eSRafal Jaworowski  *
15d1d3233eSRafal Jaworowski  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16d1d3233eSRafal Jaworowski  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17d1d3233eSRafal Jaworowski  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
18d1d3233eSRafal Jaworowski  * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
19d1d3233eSRafal Jaworowski  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
20d1d3233eSRafal Jaworowski  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21d1d3233eSRafal Jaworowski  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
22d1d3233eSRafal Jaworowski  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
23d1d3233eSRafal Jaworowski  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
24d1d3233eSRafal Jaworowski  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25d1d3233eSRafal Jaworowski  *
26d1d3233eSRafal Jaworowski  * From: FreeBSD: head/sys/dev/tsec/if_tsec_ocp.c 188712 2009-02-17 14:59:47Z raj
27d1d3233eSRafal Jaworowski  */
28d1d3233eSRafal Jaworowski 
29d1d3233eSRafal Jaworowski /*
30d1d3233eSRafal Jaworowski  * FDT 'simple-bus' attachment for Freescale TSEC controller.
31d1d3233eSRafal Jaworowski  */
32d1d3233eSRafal Jaworowski #include <sys/cdefs.h>
33d1d3233eSRafal Jaworowski __FBSDID("$FreeBSD$");
34d1d3233eSRafal Jaworowski 
35d1d3233eSRafal Jaworowski #include <sys/param.h>
36d1d3233eSRafal Jaworowski #include <sys/systm.h>
37d1d3233eSRafal Jaworowski #include <sys/endian.h>
38d1d3233eSRafal Jaworowski #include <sys/mbuf.h>
39d1d3233eSRafal Jaworowski #include <sys/kernel.h>
40d1d3233eSRafal Jaworowski #include <sys/module.h>
41d1d3233eSRafal Jaworowski #include <sys/socket.h>
42d1d3233eSRafal Jaworowski #include <sys/sysctl.h>
43d1d3233eSRafal Jaworowski 
44d1d3233eSRafal Jaworowski #include <sys/bus.h>
45d1d3233eSRafal Jaworowski #include <machine/bus.h>
46d1d3233eSRafal Jaworowski #include <sys/rman.h>
47d1d3233eSRafal Jaworowski #include <machine/resource.h>
48d1d3233eSRafal Jaworowski 
49d1d3233eSRafal Jaworowski #include <net/ethernet.h>
50d1d3233eSRafal Jaworowski #include <net/if.h>
51d1d3233eSRafal Jaworowski #include <net/if_dl.h>
52d1d3233eSRafal Jaworowski #include <net/if_media.h>
53d1d3233eSRafal Jaworowski #include <net/if_arp.h>
54d1d3233eSRafal Jaworowski 
55d1d3233eSRafal Jaworowski #include <dev/fdt/fdt_common.h>
56d1d3233eSRafal Jaworowski #include <dev/mii/mii.h>
57d1d3233eSRafal Jaworowski #include <dev/mii/miivar.h>
58d1d3233eSRafal Jaworowski #include <dev/ofw/ofw_bus.h>
59d1d3233eSRafal Jaworowski #include <dev/ofw/ofw_bus_subr.h>
60d1d3233eSRafal Jaworowski #include <dev/ofw/openfirm.h>
61d1d3233eSRafal Jaworowski 
62d1d3233eSRafal Jaworowski #include <dev/tsec/if_tsec.h>
63d1d3233eSRafal Jaworowski #include <dev/tsec/if_tsecreg.h>
64d1d3233eSRafal Jaworowski 
65d1d3233eSRafal Jaworowski #include "miibus_if.h"
66d1d3233eSRafal Jaworowski 
67d1d3233eSRafal Jaworowski #define	TSEC_RID_TXIRQ	0
68d1d3233eSRafal Jaworowski #define	TSEC_RID_RXIRQ	1
69d1d3233eSRafal Jaworowski #define	TSEC_RID_ERRIRQ	2
70d1d3233eSRafal Jaworowski 
71d1d3233eSRafal Jaworowski extern struct tsec_softc *tsec0_sc;
72d1d3233eSRafal Jaworowski 
73d1d3233eSRafal Jaworowski static int tsec_fdt_probe(device_t dev);
74d1d3233eSRafal Jaworowski static int tsec_fdt_attach(device_t dev);
75d1d3233eSRafal Jaworowski static int tsec_fdt_detach(device_t dev);
76d1d3233eSRafal Jaworowski static int tsec_setup_intr(struct tsec_softc *sc, struct resource **ires,
77d1d3233eSRafal Jaworowski     void **ihand, int *irid, driver_intr_t handler, const char *iname);
78d1d3233eSRafal Jaworowski static void tsec_release_intr(struct tsec_softc *sc, struct resource *ires,
79d1d3233eSRafal Jaworowski     void *ihand, int irid, const char *iname);
80d1d3233eSRafal Jaworowski 
81d1d3233eSRafal Jaworowski static device_method_t tsec_methods[] = {
82d1d3233eSRafal Jaworowski 	/* Device interface */
83d1d3233eSRafal Jaworowski 	DEVMETHOD(device_probe,		tsec_fdt_probe),
84d1d3233eSRafal Jaworowski 	DEVMETHOD(device_attach,	tsec_fdt_attach),
85d1d3233eSRafal Jaworowski 	DEVMETHOD(device_detach,	tsec_fdt_detach),
86d1d3233eSRafal Jaworowski 
87d1d3233eSRafal Jaworowski 	DEVMETHOD(device_shutdown,	tsec_shutdown),
88d1d3233eSRafal Jaworowski 	DEVMETHOD(device_suspend,	tsec_suspend),
89d1d3233eSRafal Jaworowski 	DEVMETHOD(device_resume,	tsec_resume),
90d1d3233eSRafal Jaworowski 
91d1d3233eSRafal Jaworowski 	/* Bus interface */
92d1d3233eSRafal Jaworowski 	DEVMETHOD(bus_print_child,	bus_generic_print_child),
93d1d3233eSRafal Jaworowski 	DEVMETHOD(bus_driver_added,	bus_generic_driver_added),
94d1d3233eSRafal Jaworowski 
95d1d3233eSRafal Jaworowski 	/* MII interface */
96d1d3233eSRafal Jaworowski 	DEVMETHOD(miibus_readreg,	tsec_miibus_readreg),
97d1d3233eSRafal Jaworowski 	DEVMETHOD(miibus_writereg,	tsec_miibus_writereg),
98d1d3233eSRafal Jaworowski 	DEVMETHOD(miibus_statchg,	tsec_miibus_statchg),
99d1d3233eSRafal Jaworowski 	{ 0, 0 }
100d1d3233eSRafal Jaworowski };
101d1d3233eSRafal Jaworowski 
102d1d3233eSRafal Jaworowski static driver_t tsec_fdt_driver = {
103d1d3233eSRafal Jaworowski 	"tsec",
104d1d3233eSRafal Jaworowski 	tsec_methods,
105d1d3233eSRafal Jaworowski 	sizeof(struct tsec_softc),
106d1d3233eSRafal Jaworowski };
107d1d3233eSRafal Jaworowski 
108d1d3233eSRafal Jaworowski DRIVER_MODULE(tsec, simplebus, tsec_fdt_driver, tsec_devclass, 0, 0);
109d1d3233eSRafal Jaworowski MODULE_DEPEND(tsec, simplebus, 1, 1, 1);
110d1d3233eSRafal Jaworowski MODULE_DEPEND(tsec, ether, 1, 1, 1);
111d1d3233eSRafal Jaworowski 
112d1d3233eSRafal Jaworowski static int
113d1d3233eSRafal Jaworowski tsec_fdt_probe(device_t dev)
114d1d3233eSRafal Jaworowski {
115d1d3233eSRafal Jaworowski 	struct tsec_softc *sc;
116d1d3233eSRafal Jaworowski 	uint32_t id;
117d1d3233eSRafal Jaworowski 
118d1d3233eSRafal Jaworowski 	if (!ofw_bus_is_compatible(dev, "gianfar"))
119d1d3233eSRafal Jaworowski 		return (ENXIO);
120d1d3233eSRafal Jaworowski 
121d1d3233eSRafal Jaworowski 	sc = device_get_softc(dev);
122d1d3233eSRafal Jaworowski 
123d1d3233eSRafal Jaworowski 	sc->sc_rrid = 0;
124d1d3233eSRafal Jaworowski 	sc->sc_rres = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->sc_rrid,
125d1d3233eSRafal Jaworowski 	    RF_ACTIVE);
126d1d3233eSRafal Jaworowski 	if (sc->sc_rres == NULL)
127d1d3233eSRafal Jaworowski 		return (ENXIO);
128d1d3233eSRafal Jaworowski 
129d1d3233eSRafal Jaworowski 	sc->sc_bas.bsh = rman_get_bushandle(sc->sc_rres);
130d1d3233eSRafal Jaworowski 	sc->sc_bas.bst = rman_get_bustag(sc->sc_rres);
131d1d3233eSRafal Jaworowski 
132d1d3233eSRafal Jaworowski 	/* Check if we are eTSEC (enhanced TSEC) */
133d1d3233eSRafal Jaworowski 	id = TSEC_READ(sc, TSEC_REG_ID);
134d1d3233eSRafal Jaworowski 	sc->is_etsec = ((id >> 16) == TSEC_ETSEC_ID) ? 1 : 0;
135d1d3233eSRafal Jaworowski 	id |= TSEC_READ(sc, TSEC_REG_ID2);
136d1d3233eSRafal Jaworowski 
137d1d3233eSRafal Jaworowski 	bus_release_resource(dev, SYS_RES_MEMORY, sc->sc_rrid, sc->sc_rres);
138d1d3233eSRafal Jaworowski 
139d1d3233eSRafal Jaworowski 	if (id == 0) {
140d1d3233eSRafal Jaworowski 		device_printf(dev, "could not identify TSEC type\n");
141d1d3233eSRafal Jaworowski 		return (ENXIO);
142d1d3233eSRafal Jaworowski 	}
143d1d3233eSRafal Jaworowski 
144d1d3233eSRafal Jaworowski 	if (sc->is_etsec)
145d1d3233eSRafal Jaworowski 		device_set_desc(dev, "Enhanced Three-Speed Ethernet Controller");
146d1d3233eSRafal Jaworowski 	else
147d1d3233eSRafal Jaworowski 		device_set_desc(dev, "Three-Speed Ethernet Controller");
148d1d3233eSRafal Jaworowski 
149d1d3233eSRafal Jaworowski 	return (BUS_PROBE_DEFAULT);
150d1d3233eSRafal Jaworowski }
151d1d3233eSRafal Jaworowski 
152d1d3233eSRafal Jaworowski static int
153d1d3233eSRafal Jaworowski tsec_fdt_attach(device_t dev)
154d1d3233eSRafal Jaworowski {
155d1d3233eSRafal Jaworowski 	struct tsec_softc *sc;
156d1d3233eSRafal Jaworowski 	int error = 0;
157d1d3233eSRafal Jaworowski 
158d1d3233eSRafal Jaworowski 	sc = device_get_softc(dev);
159d1d3233eSRafal Jaworowski 	sc->dev = dev;
160d1d3233eSRafal Jaworowski 	sc->node = ofw_bus_get_node(dev);
161d1d3233eSRafal Jaworowski 
162d1d3233eSRafal Jaworowski 	/* XXX add comment on weird FSL's MII registers access design */
163d1d3233eSRafal Jaworowski 	if (device_get_unit(dev) == 0)
164d1d3233eSRafal Jaworowski 		tsec0_sc = sc;
165d1d3233eSRafal Jaworowski 
166d1d3233eSRafal Jaworowski 	/* Get phy address from fdt */
167d1d3233eSRafal Jaworowski 	if (fdt_get_phyaddr(sc->node, &sc->phyaddr) != 0)
168d1d3233eSRafal Jaworowski 		return (ENXIO);
169d1d3233eSRafal Jaworowski 
170d1d3233eSRafal Jaworowski 	/* Init timer */
171d1d3233eSRafal Jaworowski 	callout_init(&sc->tsec_callout, 1);
172d1d3233eSRafal Jaworowski 
173d1d3233eSRafal Jaworowski 	/* Init locks */
174d1d3233eSRafal Jaworowski 	mtx_init(&sc->transmit_lock, device_get_nameunit(dev), "TSEC TX lock",
175d1d3233eSRafal Jaworowski 	    MTX_DEF);
176d1d3233eSRafal Jaworowski 	mtx_init(&sc->receive_lock, device_get_nameunit(dev), "TSEC RX lock",
177d1d3233eSRafal Jaworowski 	    MTX_DEF);
178d1d3233eSRafal Jaworowski 	mtx_init(&sc->ic_lock, device_get_nameunit(dev), "TSEC IC lock",
179d1d3233eSRafal Jaworowski 	    MTX_DEF);
180d1d3233eSRafal Jaworowski 
181d1d3233eSRafal Jaworowski 	/* Allocate IO memory for TSEC registers */
182d1d3233eSRafal Jaworowski 	sc->sc_rrid = 0;
183d1d3233eSRafal Jaworowski 	sc->sc_rres = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->sc_rrid,
184d1d3233eSRafal Jaworowski 	    RF_ACTIVE);
185d1d3233eSRafal Jaworowski 	if (sc->sc_rres == NULL) {
186d1d3233eSRafal Jaworowski 		device_printf(dev, "could not allocate IO memory range!\n");
187d1d3233eSRafal Jaworowski 		goto fail1;
188d1d3233eSRafal Jaworowski 	}
189d1d3233eSRafal Jaworowski 	sc->sc_bas.bsh = rman_get_bushandle(sc->sc_rres);
190d1d3233eSRafal Jaworowski 	sc->sc_bas.bst = rman_get_bustag(sc->sc_rres);
191d1d3233eSRafal Jaworowski 
192d1d3233eSRafal Jaworowski 	/* TSEC attach */
193d1d3233eSRafal Jaworowski 	if (tsec_attach(sc) != 0) {
194d1d3233eSRafal Jaworowski 		device_printf(dev, "could not be configured\n");
195d1d3233eSRafal Jaworowski 		goto fail2;
196d1d3233eSRafal Jaworowski 	}
197d1d3233eSRafal Jaworowski 
198d1d3233eSRafal Jaworowski 	/* Set up interrupts (TX/RX/ERR) */
199d1d3233eSRafal Jaworowski 	sc->sc_transmit_irid = TSEC_RID_TXIRQ;
200d1d3233eSRafal Jaworowski 	error = tsec_setup_intr(sc, &sc->sc_transmit_ires,
201d1d3233eSRafal Jaworowski 	    &sc->sc_transmit_ihand, &sc->sc_transmit_irid,
202d1d3233eSRafal Jaworowski 	    tsec_transmit_intr, "TX");
203d1d3233eSRafal Jaworowski 	if (error)
204d1d3233eSRafal Jaworowski 		goto fail2;
205d1d3233eSRafal Jaworowski 
206d1d3233eSRafal Jaworowski 	sc->sc_receive_irid = TSEC_RID_RXIRQ;
207d1d3233eSRafal Jaworowski 	error = tsec_setup_intr(sc, &sc->sc_receive_ires,
208d1d3233eSRafal Jaworowski 	    &sc->sc_receive_ihand, &sc->sc_receive_irid,
209d1d3233eSRafal Jaworowski 	    tsec_receive_intr, "RX");
210d1d3233eSRafal Jaworowski 	if (error)
211d1d3233eSRafal Jaworowski 		goto fail3;
212d1d3233eSRafal Jaworowski 
213d1d3233eSRafal Jaworowski 	sc->sc_error_irid = TSEC_RID_ERRIRQ;
214d1d3233eSRafal Jaworowski 	error = tsec_setup_intr(sc, &sc->sc_error_ires,
215d1d3233eSRafal Jaworowski 	    &sc->sc_error_ihand, &sc->sc_error_irid,
216d1d3233eSRafal Jaworowski 	    tsec_error_intr, "ERR");
217d1d3233eSRafal Jaworowski 	if (error)
218d1d3233eSRafal Jaworowski 		goto fail4;
219d1d3233eSRafal Jaworowski 
220d1d3233eSRafal Jaworowski 	return (0);
221d1d3233eSRafal Jaworowski 
222d1d3233eSRafal Jaworowski fail4:
223d1d3233eSRafal Jaworowski 	tsec_release_intr(sc, sc->sc_receive_ires, sc->sc_receive_ihand,
224d1d3233eSRafal Jaworowski 	    sc->sc_receive_irid, "RX");
225d1d3233eSRafal Jaworowski fail3:
226d1d3233eSRafal Jaworowski 	tsec_release_intr(sc, sc->sc_transmit_ires, sc->sc_transmit_ihand,
227d1d3233eSRafal Jaworowski 	    sc->sc_transmit_irid, "TX");
228d1d3233eSRafal Jaworowski fail2:
229d1d3233eSRafal Jaworowski 	bus_release_resource(dev, SYS_RES_MEMORY, sc->sc_rrid, sc->sc_rres);
230d1d3233eSRafal Jaworowski fail1:
231d1d3233eSRafal Jaworowski 	mtx_destroy(&sc->receive_lock);
232d1d3233eSRafal Jaworowski 	mtx_destroy(&sc->transmit_lock);
233d1d3233eSRafal Jaworowski 	return (ENXIO);
234d1d3233eSRafal Jaworowski }
235d1d3233eSRafal Jaworowski 
236d1d3233eSRafal Jaworowski static int
237d1d3233eSRafal Jaworowski tsec_setup_intr(struct tsec_softc *sc, struct resource **ires, void **ihand,
238d1d3233eSRafal Jaworowski     int *irid, driver_intr_t handler, const char *iname)
239d1d3233eSRafal Jaworowski {
240d1d3233eSRafal Jaworowski 	int error;
241d1d3233eSRafal Jaworowski 
242d1d3233eSRafal Jaworowski 	*ires = bus_alloc_resource_any(sc->dev, SYS_RES_IRQ, irid, RF_ACTIVE);
243d1d3233eSRafal Jaworowski 	if (*ires == NULL) {
244d1d3233eSRafal Jaworowski 		device_printf(sc->dev, "could not allocate %s IRQ\n", iname);
245d1d3233eSRafal Jaworowski 		return (ENXIO);
246d1d3233eSRafal Jaworowski 	}
247d1d3233eSRafal Jaworowski 	error = bus_setup_intr(sc->dev, *ires, INTR_TYPE_NET | INTR_MPSAFE,
248d1d3233eSRafal Jaworowski 	    NULL, handler, sc, ihand);
249d1d3233eSRafal Jaworowski 	if (error) {
250d1d3233eSRafal Jaworowski 		device_printf(sc->dev, "failed to set up %s IRQ\n", iname);
251d1d3233eSRafal Jaworowski 		if (bus_release_resource(sc->dev, SYS_RES_IRQ, *irid, *ires))
252d1d3233eSRafal Jaworowski 			device_printf(sc->dev, "could not release %s IRQ\n", iname);
253d1d3233eSRafal Jaworowski 		*ires = NULL;
254d1d3233eSRafal Jaworowski 		return (error);
255d1d3233eSRafal Jaworowski 	}
256d1d3233eSRafal Jaworowski 	return (0);
257d1d3233eSRafal Jaworowski }
258d1d3233eSRafal Jaworowski 
259d1d3233eSRafal Jaworowski static void
260d1d3233eSRafal Jaworowski tsec_release_intr(struct tsec_softc *sc, struct resource *ires, void *ihand,
261d1d3233eSRafal Jaworowski     int irid, const char *iname)
262d1d3233eSRafal Jaworowski {
263d1d3233eSRafal Jaworowski 	int error;
264d1d3233eSRafal Jaworowski 
265d1d3233eSRafal Jaworowski 	if (ires == NULL)
266d1d3233eSRafal Jaworowski 		return;
267d1d3233eSRafal Jaworowski 
268d1d3233eSRafal Jaworowski 	error = bus_teardown_intr(sc->dev, ires, ihand);
269d1d3233eSRafal Jaworowski 	if (error)
270d1d3233eSRafal Jaworowski 		device_printf(sc->dev, "bus_teardown_intr() failed for %s intr"
271d1d3233eSRafal Jaworowski 		    ", error %d\n", iname, error);
272d1d3233eSRafal Jaworowski 
273d1d3233eSRafal Jaworowski 	error = bus_release_resource(sc->dev, SYS_RES_IRQ, irid, ires);
274d1d3233eSRafal Jaworowski 	if (error)
275d1d3233eSRafal Jaworowski 		device_printf(sc->dev, "bus_release_resource() failed for %s "
276d1d3233eSRafal Jaworowski 		    "intr, error %d\n", iname, error);
277d1d3233eSRafal Jaworowski }
278d1d3233eSRafal Jaworowski 
279d1d3233eSRafal Jaworowski static int
280d1d3233eSRafal Jaworowski tsec_fdt_detach(device_t dev)
281d1d3233eSRafal Jaworowski {
282d1d3233eSRafal Jaworowski 	struct tsec_softc *sc;
283d1d3233eSRafal Jaworowski 	int error;
284d1d3233eSRafal Jaworowski 
285d1d3233eSRafal Jaworowski 	sc = device_get_softc(dev);
286d1d3233eSRafal Jaworowski 
287d1d3233eSRafal Jaworowski 	/* Wait for stopping watchdog */
288d1d3233eSRafal Jaworowski 	callout_drain(&sc->tsec_callout);
289d1d3233eSRafal Jaworowski 
290d1d3233eSRafal Jaworowski 	/* Stop and release all interrupts */
291d1d3233eSRafal Jaworowski 	tsec_release_intr(sc, sc->sc_transmit_ires, sc->sc_transmit_ihand,
292d1d3233eSRafal Jaworowski 	    sc->sc_transmit_irid, "TX");
293d1d3233eSRafal Jaworowski 	tsec_release_intr(sc, sc->sc_receive_ires, sc->sc_receive_ihand,
294d1d3233eSRafal Jaworowski 	    sc->sc_receive_irid, "RX");
295d1d3233eSRafal Jaworowski 	tsec_release_intr(sc, sc->sc_error_ires, sc->sc_error_ihand,
296d1d3233eSRafal Jaworowski 	    sc->sc_error_irid, "ERR");
297d1d3233eSRafal Jaworowski 
298d1d3233eSRafal Jaworowski 	/* TSEC detach */
299d1d3233eSRafal Jaworowski 	tsec_detach(sc);
300d1d3233eSRafal Jaworowski 
301d1d3233eSRafal Jaworowski 	/* Free IO memory handler */
302d1d3233eSRafal Jaworowski 	if (sc->sc_rres) {
303d1d3233eSRafal Jaworowski 		error = bus_release_resource(dev, SYS_RES_MEMORY, sc->sc_rrid,
304d1d3233eSRafal Jaworowski 		    sc->sc_rres);
305d1d3233eSRafal Jaworowski 		if (error)
306d1d3233eSRafal Jaworowski 			device_printf(dev, "bus_release_resource() failed for"
307d1d3233eSRafal Jaworowski 			    " IO memory, error %d\n", error);
308d1d3233eSRafal Jaworowski 	}
309d1d3233eSRafal Jaworowski 
310d1d3233eSRafal Jaworowski 	/* Destroy locks */
311d1d3233eSRafal Jaworowski 	mtx_destroy(&sc->receive_lock);
312d1d3233eSRafal Jaworowski 	mtx_destroy(&sc->transmit_lock);
313d1d3233eSRafal Jaworowski 	mtx_destroy(&sc->ic_lock);
314d1d3233eSRafal Jaworowski 	return (0);
315d1d3233eSRafal Jaworowski }
316d1d3233eSRafal Jaworowski 
317d1d3233eSRafal Jaworowski void
318d1d3233eSRafal Jaworowski tsec_get_hwaddr(struct tsec_softc *sc, uint8_t *addr)
319d1d3233eSRafal Jaworowski {
320d1d3233eSRafal Jaworowski 	union {
321d1d3233eSRafal Jaworowski 		uint32_t reg[2];
322d1d3233eSRafal Jaworowski 		uint8_t addr[6];
323*df0437caSMarcel Moolenaar 	} hw;
324d1d3233eSRafal Jaworowski 	int i;
325d1d3233eSRafal Jaworowski 
326*df0437caSMarcel Moolenaar 	hw.reg[0] = hw.reg[1] = 0;
327*df0437caSMarcel Moolenaar 
328*df0437caSMarcel Moolenaar 	/* Retrieve the hardware address from the device tree. */
329*df0437caSMarcel Moolenaar 	i = OF_getprop(sc->node, "local-mac-address", (void *)hw.addr, 6);
330*df0437caSMarcel Moolenaar 	if (i == 6 && (hw.reg[0] != 0 || hw.reg[1] != 0)) {
331*df0437caSMarcel Moolenaar 		bcopy(hw.addr, addr, 6);
332d1d3233eSRafal Jaworowski 		return;
333d1d3233eSRafal Jaworowski 	}
334d1d3233eSRafal Jaworowski 
335d1d3233eSRafal Jaworowski 	/*
336d1d3233eSRafal Jaworowski 	 * Fall back -- use the currently programmed address in the hope that
337d1d3233eSRafal Jaworowski 	 * it was set be firmware...
338d1d3233eSRafal Jaworowski 	 */
339*df0437caSMarcel Moolenaar 	hw.reg[0] = TSEC_READ(sc, TSEC_REG_MACSTNADDR1);
340*df0437caSMarcel Moolenaar 	hw.reg[1] = TSEC_READ(sc, TSEC_REG_MACSTNADDR2);
341d1d3233eSRafal Jaworowski 	for (i = 0; i < 6; i++)
342*df0437caSMarcel Moolenaar 		addr[5-i] = hw.addr[i];
343d1d3233eSRafal Jaworowski }
344