4e8e66439e
- API / infrastructure changes to support memory management changes.
- Memory management improvements and bug fixes.
- HCDs should now be MP safe
- conversion to KERNHIST based debug
- FS/LS isoc support on ehci(4).
- conversion to kmem(9)
- Some USB 3 support - mostly from Takahiro HAYASHI (t-hash).
- interrupt transfers now get proper DMA operations
- general bug fixes
- kern/48308
- uhub status notification improvements
- umass(4) probe fix (applied to HEAD already)
- ohci(4) short transfer fix
144 lines
4.4 KiB
C
144 lines
4.4 KiB
C
/* $NetBSD: rmixl_ehci.c,v 1.6 2016/04/23 10:15:30 skrll Exp $ */
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/*-
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* Copyright (c) 1998, 1999, 2000, 2002, 2003 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Herb Peyerl of Middle Digital Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: rmixl_ehci.c,v 1.6 2016/04/23 10:15:30 skrll Exp $");
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#include "locators.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/bus.h>
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#include <mips/rmi/rmixlreg.h>
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#include <mips/rmi/rmixlvar.h>
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#include <mips/rmi/rmixl_intr.h>
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#include <mips/rmi/rmixl_usbivar.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usbdivar.h>
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#include <dev/usb/usb_mem.h>
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#include <dev/usb/ehcireg.h>
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#include <dev/usb/ehcivar.h>
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static int rmixl_ehci_match(device_t, cfdata_t, void *);
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static void rmixl_ehci_attach(device_t, device_t, void *);
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CFATTACH_DECL_NEW(rmixl_ehci, sizeof (ehci_softc_t),
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rmixl_ehci_match, rmixl_ehci_attach, NULL, NULL);
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int
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rmixl_ehci_match(device_t parent, cfdata_t match, void *aux)
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{
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struct rmixl_usbi_attach_args *usbi = aux;
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if (usbi->usbi_addr == (RMIXL_IO_DEV_USB_A + RMIXL_USB_HOST_EHCI_BASE))
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return rmixl_probe_4((volatile uint32_t *)
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RMIXL_IOREG_VADDR(usbi->usbi_addr));
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return 0;
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}
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void
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rmixl_ehci_attach(device_t parent, device_t self, void *aux)
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{
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ehci_softc_t * const sc = device_private(self);
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rmixl_usbi_softc_t * const psc = device_private(parent);
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struct rmixl_usbi_attach_args * const usbi = aux;
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void *ih = NULL;
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uint32_t r;
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/* check state of IO_AD9 signal latched in GPIO Reset Config reg */
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r = RMIXL_IOREG_READ(RMIXL_IO_DEV_GPIO + RMIXL_GPIO_RESET_CFG);
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if ((r & RMIXL_GPIO_RESET_CFG_USB_DEV) == 0) {
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aprint_error_dev(self,
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"IO_AD9 selects Device mode, abort Host attach\n");
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return;
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}
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sc->sc_dev = self;
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sc->sc_bus.ub_hcpriv = sc;
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sc->iot = usbi->usbi_el_bst;
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sc->sc_size = usbi->usbi_size;
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sc->sc_bus.ub_dmatag = usbi->usbi_dmat;
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sc->sc_bus.ub_revision = USBREV_1_0;
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/*
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* Grab the companion OHCI devices from our parent.
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*/
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if (psc->sc_ohci_devs[1] != NULL) {
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sc->sc_comps[0] = psc->sc_ohci_devs[0];
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sc->sc_comps[1] = psc->sc_ohci_devs[1];
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sc->sc_ncomp = 2;
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} else {
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sc->sc_comps[0] = psc->sc_ohci_devs[0];
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sc->sc_ncomp = 1;
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}
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if (bus_space_map(sc->iot, usbi->usbi_addr, sc->sc_size, 0, &sc->ioh)) {
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aprint_error_dev(self, "unable to map registers\n");
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return;
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}
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/* get offset to operational regs */
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sc->sc_offs = EREAD1(sc, EHCI_CAPLENGTH);
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/* Disable EHCI interrupts */
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EOWRITE4(sc, EHCI_USBINTR, 0);
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/* establish interrupt */
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if (usbi->usbi_intr != RMIXL_USBICF_INTR_DEFAULT) {
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ih = rmixl_usbi_intr_establish(device_private(parent),
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usbi->usbi_intr, ehci_intr, sc);
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if (ih == NULL)
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panic("%s: couldn't establish interrupt",
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device_xname(self));
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}
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int err = ehci_init(sc);
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if (err) {
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aprint_error_dev(self, "init failed, error=%d\n", err);
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if (ih != NULL)
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rmixl_intr_disestablish(ih);
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return;
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}
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/* Attach USB device */
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sc->sc_child = config_found(self, &sc->sc_bus, usbctlprint);
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}
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