/* $Id: imx23_usb.c,v 1.5.6.2 2024/01/16 08:25:48 martin Exp $ */ /* * Copyright (c) 2013 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Petri Laakso. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "locators.h" struct imx23_usb_softc { struct imxusbc_softc sc_imxusbc; /* Must be first */ }; static int imx23_usb_match(device_t, cfdata_t, void *); static void imx23_usb_attach(device_t, device_t, void *); static int imx23_usb_activate(device_t, enum devact); static int imxusbc_search(device_t, cfdata_t, const int *, void *); static void imx23_usb_init(struct imxehci_softc *, uintptr_t); CFATTACH_DECL3_NEW(imxusbc, sizeof(struct imx23_usb_softc), imx23_usb_match, imx23_usb_attach, NULL, imx23_usb_activate, NULL, NULL, 0 ); #define AHB_USB 0x80080000 #define AHB_USB_SIZE 0x40000 static int imx23_usb_match(device_t parent, cfdata_t match, void *aux) { struct ahb_attach_args *aa = aux; if ((aa->aa_addr == AHB_USB) && (aa->aa_size == AHB_USB_SIZE)) return 1; return 0; } static void imx23_usb_attach(device_t parent, device_t self, void *aux) { struct imxusbc_softc *sc = device_private(self); sc->sc_dev = self; sc->sc_iot = &imx23_bus_space; sc->sc_ehci_size = IMXUSB_EHCI_SIZE; sc->sc_ehci_offset = IMXUSB_EHCI_SIZE; sc->sc_init_md_hook = imx23_usb_init; sc->sc_intr_establish_md_hook = NULL; sc->sc_setup_md_hook = NULL; if (bus_space_map(sc->sc_iot, AHB_USB, AHB_USB_SIZE, 0, &sc->sc_ioh)) { aprint_error_dev(sc->sc_dev, "Unable to map bus space"); return; } /* Enable PLL outputs for USB PHY. */ clkctrl_en_usb(); /* Enable external USB chip. */ imx23_pinctrl_en_usb(); /* USB clock on. */ digctl_usb_clkgate(0); aprint_normal("\n"); /* attach OTG/EHCI host controllers */ config_search(self, NULL, CFARGS(.search = imxusbc_search)); return; } static int imx23_usb_activate(device_t self, enum devact act) { return EOPNOTSUPP; } static int imxusbc_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux) { struct imxusbc_softc *sc = device_private(parent); struct imxusbc_attach_args aa; aa.aa_iot = sc->sc_iot; aa.aa_ioh = sc->sc_ioh; aa.aa_dmat = &imx23_bus_dma_tag; aa.aa_unit = cf->cf_loc[IMXUSBCCF_UNIT]; aa.aa_irq = cf->cf_loc[IMXUSBCCF_IRQ]; if (config_probe(parent, cf, &aa)) config_attach(parent, cf, &aa, NULL, CFARGS_NONE); return 0; } static void imx23_usb_init(struct imxehci_softc *sc, uintptr_t data) { sc->sc_iftype = IMXUSBC_IF_UTMI; return; }