1 /*-
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
11  *    notice, this list of conditions and the following disclaimer in the
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
68 	{"nvidia,tegra124-ehci",	(uintptr_t)TEGRA124_EHCI},
69 	{"nvidia,tegra210-ehci",	(uintptr_t)TEGRA210_EHCI},
81 	hwreset_t 	reset;  member
93 	device_printf(ehci_softc->sc_bus.bdev, "set host controller mode\n");  in tegra_ehci_post_reset()
104 	if (ofw_bus_search_compatible(dev, compat_data)->ocd_data != 0) {  in tegra_ehci_probe()
124 	esc = &sc->ehci_softc;  in tegra_ehci_detach()
125 	if (sc->clk != NULL)  in tegra_ehci_detach()
126 		clk_release(sc->clk);  in tegra_ehci_detach()
127 	if (esc->sc_flags & EHCI_SCFLG_DONEINIT)  in tegra_ehci_detach()
129 	if (esc->sc_intr_hdl != NULL)  in tegra_ehci_detach()
130 		bus_teardown_intr(dev, esc->sc_irq_res,  in tegra_ehci_detach()
131 		    esc->sc_intr_hdl);  in tegra_ehci_detach()
132 	if (sc->ehci_irq_res != NULL)  in tegra_ehci_detach()
134 		    sc->ehci_irq_res);  in tegra_ehci_detach()
135 	if (sc->ehci_mem_res != NULL)  in tegra_ehci_detach()
137 		    sc->ehci_mem_res);  in tegra_ehci_detach()
138 	if (sc->usb_alloc_called)  in tegra_ehci_detach()
139 		usb_bus_mem_free_all(&esc->sc_bus, &ehci_iterate_hw_softc);  in tegra_ehci_detach()
153 	sc->dev = dev;  in tegra_ehci_attach()
154 	esc = &sc->ehci_softc;  in tegra_ehci_attach()
158 	sc->ehci_mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,  in tegra_ehci_attach()
160 	if (sc->ehci_mem_res == NULL) {  in tegra_ehci_attach()
163 		goto out;  in tegra_ehci_attach()
167 	sc->ehci_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,  in tegra_ehci_attach()
169 	if (sc->ehci_irq_res == NULL) {  in tegra_ehci_attach()
172 		goto out;  in tegra_ehci_attach()
175 	rv = hwreset_get_by_ofw_name(dev, 0, "usb", &sc->reset);  in tegra_ehci_attach()
177 		device_printf(dev, "Cannot get reset\n");  in tegra_ehci_attach()
179 		goto out;  in tegra_ehci_attach()
182 	rv = phy_get_by_ofw_property(sc->dev, 0, "nvidia,phy", &sc->phy);  in tegra_ehci_attach()
184 		device_printf(sc->dev, "Cannot get 'nvidia,phy' phy\n");  in tegra_ehci_attach()
186 		goto out;  in tegra_ehci_attach()
189 	rv = clk_get_by_ofw_index(sc->dev, 0, 0, &sc->clk);  in tegra_ehci_attach()
192 		goto out;  in tegra_ehci_attach()
195 	rv = clk_enable(sc->clk);  in tegra_ehci_attach()
198 		goto out;  in tegra_ehci_attach()
202 	rv = clk_get_freq(sc->clk, &freq);  in tegra_ehci_attach()
205 		goto out;  in tegra_ehci_attach()
208 	rv = hwreset_deassert(sc->reset);  in tegra_ehci_attach()
210 		device_printf(dev, "Cannot clear reset: %d\n", rv);  in tegra_ehci_attach()
212 		goto out;  in tegra_ehci_attach()
215 	rv = phy_enable(sc->phy);  in tegra_ehci_attach()
218 		goto out;  in tegra_ehci_attach()
222 	esc->sc_vendor_get_port_speed = ehci_get_port_speed_hostc;  in tegra_ehci_attach()
223 	esc->sc_vendor_post_reset = tegra_ehci_post_reset;  in tegra_ehci_attach()
224 	esc->sc_io_tag = rman_get_bustag(sc->ehci_mem_res);  in tegra_ehci_attach()
225 	esc->sc_bus.parent = dev;  in tegra_ehci_attach()
226 	esc->sc_bus.devices = esc->sc_devices;  in tegra_ehci_attach()
227 	esc->sc_bus.devices_max = EHCI_MAX_DEVICES;  in tegra_ehci_attach()
228 	esc->sc_bus.dma_bits = 32;  in tegra_ehci_attach()
231 	rv = usb_bus_mem_alloc_all(&esc->sc_bus, USB_GET_DMA_TAG(dev),  in tegra_ehci_attach()
233 	sc->usb_alloc_called = 1;  in tegra_ehci_attach()
237 		goto out;  in tegra_ehci_attach()
244 	rv = bus_space_subregion(esc->sc_io_tag,  in tegra_ehci_attach()
245 	    rman_get_bushandle(sc->ehci_mem_res),  in tegra_ehci_attach()
246 	    TEGRA_EHCI_REG_OFF, TEGRA_EHCI_REG_SIZE, &esc->sc_io_hdl);  in tegra_ehci_attach()
250 		goto out;  in tegra_ehci_attach()
254 	rv = bus_setup_intr(dev, sc->ehci_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,  in tegra_ehci_attach()
255 	    NULL, (driver_intr_t *)ehci_interrupt, esc, &esc->sc_intr_hdl);  in tegra_ehci_attach()
258 		goto out;  in tegra_ehci_attach()
262 	esc->sc_bus.bdev = device_add_child(dev, "usbus", DEVICE_UNIT_ANY);  in tegra_ehci_attach()
263 	if (esc->sc_bus.bdev == NULL) {  in tegra_ehci_attach()
265 		goto out;  in tegra_ehci_attach()
267 	device_set_ivars(esc->sc_bus.bdev, &esc->sc_bus);  in tegra_ehci_attach()
269 	esc->sc_id_vendor = USB_VENDOR_FREESCALE;  in tegra_ehci_attach()
270 	strlcpy(esc->sc_vendor, "Nvidia", sizeof(esc->sc_vendor));  in tegra_ehci_attach()
273 	esc->sc_flags |= EHCI_SCFLG_TT;  in tegra_ehci_attach()
274 	esc->sc_flags |= EHCI_SCFLG_NORESTERM;  in tegra_ehci_attach()
279 		goto out;  in tegra_ehci_attach()
281 	esc->sc_flags |= EHCI_SCFLG_DONEINIT;  in tegra_ehci_attach()
284 	rv = device_probe_and_attach(esc->sc_bus.bdev);  in tegra_ehci_attach()
288 		goto out;  in tegra_ehci_attach()
292 out:  in tegra_ehci_attach()