1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
4  * Copyright (c) 2010-2012 Semihalf
53 #include <dev/usb/controller/ehci.h>
88 	"ehci",
93 DRIVER_MODULE(ehci, simplebus, ehci_driver, 0, 0);
94 MODULE_DEPEND(ehci, usb, 1, 1, 1);
104  * Offsets from 0x000 ehci dev space, big-endian access.
131  * Offsets from USBCMD register, little-endian access.
156 	tmp = bus_space_read_4(sc->sc_io_tag, sc->sc_io_hdl, USBMODE);  in set_to_host_mode()
157 	bus_space_write_4(sc->sc_io_tag, sc->sc_io_hdl, USBMODE, tmp | HOST_MODE);  in set_to_host_mode()
200 	tmp = bus_space_read_4(sc->sc_io_tag, sc->sc_io_hdl, PORTSC);  in clear_port_power()
201 	bus_space_write_4(sc->sc_io_tag, sc->sc_io_hdl, PORTSC, tmp & ~PORT_POWER_MASK);  in clear_port_power()
214 	if (((ofw_bus_is_compatible(dev, "fsl-usb2-dr")) == 0) &&  in fsl_ehci_probe()
215 	    ((ofw_bus_is_compatible(dev, "fsl-usb2-mph")) == 0))  in fsl_ehci_probe()
218 	device_set_desc(dev, "Freescale integrated EHCI controller");  in fsl_ehci_probe()
235 	sc->sc_bus.parent = self;  in fsl_ehci_attach()
236 	sc->sc_bus.devices = sc->sc_devices;  in fsl_ehci_attach()
237 	sc->sc_bus.devices_max = EHCI_MAX_DEVICES;  in fsl_ehci_attach()
238 	sc->sc_bus.dma_bits = 32;  in fsl_ehci_attach()
240 	if (usb_bus_mem_alloc_all(&sc->sc_bus,  in fsl_ehci_attach()
244 	/* Allocate io resource for EHCI */  in fsl_ehci_attach()
245 	sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid,  in fsl_ehci_attach()
247 	if (sc->sc_io_res == NULL) {  in fsl_ehci_attach()
256 	iot = rman_get_bustag(sc->sc_io_res);  in fsl_ehci_attach()
259 	 * Set handle to USB related registers subregion used by generic  in fsl_ehci_attach()
260 	 * EHCI driver  in fsl_ehci_attach()
262 	ioh = rman_get_bushandle(sc->sc_io_res);  in fsl_ehci_attach()
265 	    &sc->sc_io_hdl);  in fsl_ehci_attach()
276 	/* Set little-endian tag for use by the generic EHCI driver */  in fsl_ehci_attach()
277 	sc->sc_io_tag = &bs_le_tag;  in fsl_ehci_attach()
280 	sc->sc_irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid,  in fsl_ehci_attach()
282 	if (sc->sc_irq_res == NULL) {  in fsl_ehci_attach()
293 	err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,  in fsl_ehci_attach()
294 	    NULL, (driver_intr_t *)ehci_interrupt, sc, &sc->sc_intr_hdl);  in fsl_ehci_attach()
297 		sc->sc_intr_hdl = NULL;  in fsl_ehci_attach()
308 	sc->sc_bus.bdev = device_add_child(self, "usbus", DEVICE_UNIT_ANY);  in fsl_ehci_attach()
309 	if (!sc->sc_bus.bdev) {  in fsl_ehci_attach()
319 	device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);  in fsl_ehci_attach()
321 	sc->sc_id_vendor = 0x1234;  in fsl_ehci_attach()
322 	strlcpy(sc->sc_vendor, "Freescale", sizeof(sc->sc_vendor));  in fsl_ehci_attach()
343 	 * If usb subsystem is enabled in U-Boot, port power has to be turned  in fsl_ehci_attach()
349 	sc->sc_flags |= EHCI_SCFLG_DONTRESET | EHCI_SCFLG_NORESTERM;  in fsl_ehci_attach()
353 		sc->sc_flags |= EHCI_SCFLG_DONEINIT;  in fsl_ehci_attach()
354 		err = device_probe_and_attach(sc->sc_bus.bdev);  in fsl_ehci_attach()
386 	if (sc->sc_flags & EHCI_SCFLG_DONEINIT) {  in fsl_ehci_detach()
388 		sc->sc_flags &= ~EHCI_SCFLG_DONEINIT;  in fsl_ehci_detach()
392 	if (sc->sc_io_tag && sc->sc_io_hdl)  in fsl_ehci_detach()
393 		bus_space_write_4(sc->sc_io_tag, sc->sc_io_hdl, EHCI_USBINTR, 0);  in fsl_ehci_detach()
395 	if (sc->sc_irq_res && sc->sc_intr_hdl) {  in fsl_ehci_detach()
396 		err = bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl);  in fsl_ehci_detach()
402 		sc->sc_intr_hdl = NULL;  in fsl_ehci_detach()
405 	if (sc->sc_irq_res) {  in fsl_ehci_detach()
406 		bus_release_resource(self, SYS_RES_IRQ, 0, sc->sc_irq_res);  in fsl_ehci_detach()
407 		sc->sc_irq_res = NULL;  in fsl_ehci_detach()
410 	if (sc->sc_io_res) {  in fsl_ehci_detach()
411 		bus_release_resource(self, SYS_RES_MEMORY, 0, sc->sc_io_res);  in fsl_ehci_detach()
412 		sc->sc_io_res = NULL;  in fsl_ehci_detach()
413 		sc->sc_io_tag = 0;  in fsl_ehci_detach()
414 		sc->sc_io_hdl = 0;  in fsl_ehci_detach()