1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
4  * Copyright (c) 2010-2012 Semihalf
70  * refers to them as "core" and "non-core" registers.  A set of core register
71  * exists for each OTG or EHCI device.  There is a single set of non-core
77  * non-core registers by using a pair of resource address/size values (two
81  * whose reg property describes the non-core registers. The way we handle FDT
82  * data, this means that the resources (memory-mapped register range) for the
83  * non-core registers belongs to a device other than the echi devices.
96  * two parts: a set of imx-specific registers at an offset of 0 from the
110  *   - "fsl,imx23-usb", "fsl,imx27-usb";
111  *   - "fsl,imx25-usb", "fsl,imx27-usb";
112  *   - "fsl,imx28-usb", "fsl,imx27-usb";
113  *   - "fsl,imx51-usb", "fsl,imx27-usb";
114  *   - "fsl,imx53-usb", "fsl,imx27-usb";
115  *   - "fsl,imx6q-usb", "fsl,imx27-usb";
119  *   - fsl,usbmisc = <&usbmisc 0>;
120  *   - fsl,usbphy = <&usbphy0>;
123  * usbphy drivers where needed; this data is mentioned here just to keep all the
124  * imx-FDT-usb-related info in one place.  Here are the usbphy compat strings
126  *   - "nop-usbphy"
127  *   - "usb-nop-xceiv";
128  *   - "fsl,imx23-usbphy" 
129  *   - "fsl,imx28-usbphy", "fsl,imx23-usbphy";
130  *   - "fsl,imx6q-usbphy", "fsl,imx23-usbphy";
134 /*-----------------------------------------------------------------------------
136  *---------------------------------------------------------------------------*/
147 	{"fsl,imx6q-usbmisc",	true},
148 	{"fsl,imx51-usbmisc",	true},
149 	{"fsl,imx25-usbmisc",	true},
160 	reg = bus_read_4(sc->mmio, index * sizeof(uint32_t));  in imx_usbmisc_set_ctrl()
161 	bus_write_4(sc->mmio, index * sizeof(uint32_t), reg | bits);  in imx_usbmisc_set_ctrl()
172 	reg = bus_read_4(sc->mmio, index * sizeof(uint32_t));  in imx_usbmisc_clr_ctrl()
173 	bus_write_4(sc->mmio, index * sizeof(uint32_t), reg & ~bits);  in imx_usbmisc_clr_ctrl()
184 	if (ofw_bus_search_compatible(dev, usbmisc_compat_data)->ocd_data) {  in imx_usbmisc_probe()
198 	if (sc->mmio != NULL)  in imx_usbmisc_detach()
199 		bus_release_resource(dev, SYS_RES_MEMORY, 0, sc->mmio);  in imx_usbmisc_detach()
214 	sc->mmio = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,  in imx_usbmisc_attach()
216 	if (sc->mmio == NULL) {  in imx_usbmisc_attach()
244  * DEFAULT-1000 seems good.
247     0, 0, BUS_PASS_DEFAULT - 1000);
249 /*-----------------------------------------------------------------------------
251  *---------------------------------------------------------------------------*/
254  * Each EHCI device in the SoC has some SoC-specific per-device registers at an
268 	{"fsl,imx6q-usb",	1},
269 	{"fsl,imx53-usb",	1},
270 	{"fsl,imx51-usb",	1},
271 	{"fsl,imx28-usb",	1},
272 	{"fsl,imx27-usb",	1},
273 	{"fsl,imx25-usb",	1},
274 	{"fsl,imx23-usb",	1},
297 	if (ofw_bus_search_compatible(dev, compat_data)->ocd_data != 0) {  in imx_ehci_probe()
313 	esc = &sc->ehci_softc;  in imx_ehci_detach()
319 	if (esc->sc_flags & EHCI_SCFLG_DONEINIT)  in imx_ehci_detach()
321 	if (esc->sc_intr_hdl != NULL)  in imx_ehci_detach()
322 		bus_teardown_intr(dev, esc->sc_irq_res,   in imx_ehci_detach()
323 		    esc->sc_intr_hdl);  in imx_ehci_detach()
324 	if (sc->ehci_irq_res != NULL)  in imx_ehci_detach()
326 		    sc->ehci_irq_res);  in imx_ehci_detach()
327 	if (sc->ehci_mem_res != NULL)  in imx_ehci_detach()
329 		    sc->ehci_mem_res);  in imx_ehci_detach()
331 	usb_bus_mem_free_all(&esc->sc_bus, &ehci_iterate_hw_softc);  in imx_ehci_detach()
346 	node = ofw_bus_get_node(sc->dev);  in imx_ehci_disable_oc()
350 		device_printf(sc->dev, "failed to retrieve fsl,usbmisc "  in imx_ehci_disable_oc()
357 		device_printf(sc->dev, "usbmisc device not found, "  in imx_ehci_disable_oc()
374 	sc->dev = dev;  in imx_ehci_attach()
375 	esc = &sc->ehci_softc;  in imx_ehci_attach()
380 	sc->ehci_mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,  in imx_ehci_attach()
382 	if (sc->ehci_mem_res == NULL) {  in imx_ehci_attach()
389 	sc->ehci_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,  in imx_ehci_attach()
391 	if (sc->ehci_irq_res == NULL) {  in imx_ehci_attach()
397 	esc->sc_io_tag = rman_get_bustag(sc->ehci_mem_res);  in imx_ehci_attach()
398 	esc->sc_bus.parent = dev;  in imx_ehci_attach()
399 	esc->sc_bus.devices = esc->sc_devices;  in imx_ehci_attach()
400 	esc->sc_bus.devices_max = EHCI_MAX_DEVICES;  in imx_ehci_attach()
401 	esc->sc_bus.dma_bits = 32;  in imx_ehci_attach()
404 	if (usb_bus_mem_alloc_all(&esc->sc_bus, USB_GET_DMA_TAG(dev),  in imx_ehci_attach()
415 	err = bus_space_subregion(esc->sc_io_tag,   in imx_ehci_attach()
416 	    rman_get_bushandle(sc->ehci_mem_res),  in imx_ehci_attach()
417 	    IMX_EHCI_REG_OFF, IMX_EHCI_REG_SIZE, &esc->sc_io_hdl);  in imx_ehci_attach()
425 	err = bus_setup_intr(dev, sc->ehci_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,  in imx_ehci_attach()
426 	    NULL, (driver_intr_t *)ehci_interrupt, esc, &esc->sc_intr_hdl);  in imx_ehci_attach()
436 	if (OF_hasprop(ofw_bus_get_node(sc->dev), "disable-over-current"))  in imx_ehci_attach()
440 	esc->sc_bus.bdev = device_add_child(dev, "usbus", DEVICE_UNIT_ANY);  in imx_ehci_attach()
441 	if (esc->sc_bus.bdev == NULL) {  in imx_ehci_attach()
445 	device_set_ivars(esc->sc_bus.bdev, &esc->sc_bus);  in imx_ehci_attach()
447 	esc->sc_id_vendor = USB_VENDOR_FREESCALE;  in imx_ehci_attach()
448 	strlcpy(esc->sc_vendor, "Freescale", sizeof(esc->sc_vendor));  in imx_ehci_attach()
451 	 * Set flags that affect ehci_init() behavior, and hook our post-reset  in imx_ehci_attach()
454 	esc->sc_flags |= EHCI_SCFLG_NORESTERM | EHCI_SCFLG_TT;  in imx_ehci_attach()
455 	esc->sc_vendor_post_reset = imx_ehci_post_reset;  in imx_ehci_attach()
456 	esc->sc_vendor_get_port_speed = ehci_get_port_speed_portsc;  in imx_ehci_attach()
464 	esc->sc_flags |= EHCI_SCFLG_DONEINIT;  in imx_ehci_attach()
467 	err = device_probe_and_attach(esc->sc_bus.bdev);  in imx_ehci_attach()