MFp4 //depot/projects/usb
- Bring in ehci2_ixp4xx.c and ehci2_mbus.c from dev/usb. Submitted by: Hans Petter Selasky
This commit is contained in:
Andrew Thompson
parent
81fe4e1110
commit
8259ac9313
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=188410
349
sys/dev/usb2/controller/ehci2_ixp4xx.c
Normal file
349
sys/dev/usb2/controller/ehci2_ixp4xx.c
Normal file
@ -0,0 +1,349 @@
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/*-
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* Copyright (c) 2008 Sam Leffler. All rights reserved.
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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
|
||||
* 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.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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||||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* IXP435 attachment driver for the USB Enhanced Host Controller.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_bus.h"
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#include <dev/usb2/include/usb2_mfunc.h>
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#include <dev/usb2/include/usb2_defs.h>
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#include <dev/usb2/include/usb2_standard.h>
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#include <dev/usb2/core/usb2_core.h>
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#include <dev/usb2/core/usb2_busdma.h>
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#include <dev/usb2/core/usb2_process.h>
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#include <dev/usb2/core/usb2_sw_transfer.h>
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#include <dev/usb2/core/usb2_util.h>
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#include <dev/usb2/controller/usb2_controller.h>
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#include <dev/usb2/controller/usb2_bus.h>
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#include <dev/usb2/controller/ehci2.h>
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#include <arm/xscale/ixp425/ixp425reg.h>
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#include <arm/xscale/ixp425/ixp425var.h>
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#define EHCI_VENDORID_IXP4XX 0x42fa05
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#define EHCI_HC_DEVSTR "IXP4XX Integrated USB 2.0 controller"
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struct ixp_ehci_softc {
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ehci_softc_t base; /* storage for EHCI code */
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bus_space_tag_t iot;
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bus_space_handle_t ioh;
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struct bus_space tag; /* tag for private bus space ops */
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};
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static device_attach_t ehci_ixp_attach;
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static device_detach_t ehci_ixp_detach;
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static device_shutdown_t ehci_ixp_shutdown;
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static device_suspend_t ehci_ixp_suspend;
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static device_resume_t ehci_ixp_resume;
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static uint8_t ehci_bs_r_1(void *, bus_space_handle_t, bus_size_t);
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static void ehci_bs_w_1(void *, bus_space_handle_t, bus_size_t, u_int8_t);
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static uint16_t ehci_bs_r_2(void *, bus_space_handle_t, bus_size_t);
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static void ehci_bs_w_2(void *, bus_space_handle_t, bus_size_t, uint16_t);
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static uint32_t ehci_bs_r_4(void *, bus_space_handle_t, bus_size_t);
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static void ehci_bs_w_4(void *, bus_space_handle_t, bus_size_t, uint32_t);
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static int
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ehci_ixp_suspend(device_t self)
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{
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ehci_softc_t *sc = device_get_softc(self);
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int err;
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err = bus_generic_suspend(self);
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if (err)
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return (err);
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ehci_suspend(sc);
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return (0);
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}
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static int
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ehci_ixp_resume(device_t self)
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{
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ehci_softc_t *sc = device_get_softc(self);
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ehci_resume(sc);
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bus_generic_resume(self);
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return (0);
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}
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static int
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ehci_ixp_shutdown(device_t self)
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{
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ehci_softc_t *sc = device_get_softc(self);
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int err;
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err = bus_generic_shutdown(self);
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if (err)
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return (err);
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ehci_shutdown(sc);
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return (0);
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}
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static int
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ehci_ixp_probe(device_t self)
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{
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device_set_desc(self, EHCI_HC_DEVSTR);
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return (BUS_PROBE_DEFAULT);
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}
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static int
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ehci_ixp_attach(device_t self)
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{
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struct ixp_ehci_softc *isc = device_get_softc(self);
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ehci_softc_t *sc = &isc->base;
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int err;
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int rid;
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/* initialise some bus fields */
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sc->sc_bus.parent = self;
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sc->sc_bus.devices = sc->sc_devices;
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sc->sc_bus.devices_max = EHCI_MAX_DEVICES;
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/* get all DMA memory */
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if (usb2_bus_mem_alloc_all(&sc->sc_bus,
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USB_GET_DMA_TAG(self), &ehci_iterate_hw_softc)) {
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return (ENOMEM);
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}
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sc->sc_bus.usbrev = USB_REV_2_0;
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/* NB: hints fix the memory location and irq */
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rid = 0;
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sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid, RF_ACTIVE);
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if (!sc->sc_io_res) {
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device_printf(self, "Could not map memory\n");
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goto error;
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}
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/*
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* Craft special resource for bus space ops that handle
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* byte-alignment of non-word addresses. Also, since
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* we're already intercepting bus space ops we handle
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* the register window offset that could otherwise be
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* done with bus_space_subregion.
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*/
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isc->iot = rman_get_bustag(sc->sc_io_res);
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isc->tag.bs_cookie = isc->iot;
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/* read single */
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isc->tag.bs_r_1 = ehci_bs_r_1,
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isc->tag.bs_r_2 = ehci_bs_r_2,
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isc->tag.bs_r_4 = ehci_bs_r_4,
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/* write (single) */
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isc->tag.bs_w_1 = ehci_bs_w_1,
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isc->tag.bs_w_2 = ehci_bs_w_2,
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isc->tag.bs_w_4 = ehci_bs_w_4,
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sc->sc_io_tag = &isc->tag;
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sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
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sc->sc_io_size = IXP435_USB1_SIZE - 0x100;
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rid = 0;
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sc->sc_irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid,
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RF_ACTIVE);
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if (sc->sc_irq_res == NULL) {
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device_printf(self, "Could not allocate irq\n");
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goto error;
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}
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sc->sc_bus.bdev = device_add_child(self, "usbus", -1);
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if (!sc->sc_bus.bdev) {
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device_printf(self, "Could not add USB device\n");
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goto error;
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}
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device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
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device_set_desc(sc->sc_bus.bdev, EHCI_HC_DEVSTR);
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sprintf(sc->sc_vendor, "Intel");
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err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
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NULL, (void *)(void *)ehci_interrupt, sc, &sc->sc_intr_hdl);
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if (err) {
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device_printf(self, "Could not setup irq, %d\n", err);
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sc->sc_intr_hdl = NULL;
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goto error;
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}
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/*
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* Arrange to force Host mode, select big-endian byte alignment,
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* and arrange to not terminate reset operations (the adapter
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* will ignore it if we do but might as well save a reg write).
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* Also, the controller has an embedded Transaction Translator
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* which means port speed must be read from the Port Status
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* register following a port enable.
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*/
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sc->sc_flags |= EHCI_SCFLG_TT
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| EHCI_SCFLG_SETMODE
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| EHCI_SCFLG_BIGEDESC
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| EHCI_SCFLG_BIGEMMIO
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| EHCI_SCFLG_NORESTERM
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;
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err = ehci_init(sc);
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if (!err) {
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err = device_probe_and_attach(sc->sc_bus.bdev);
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}
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if (err) {
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device_printf(self, "USB init failed err=%d\n", err);
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goto error;
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}
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return (0);
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error:
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ehci_ixp_detach(self);
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return (ENXIO);
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}
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static int
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ehci_ixp_detach(device_t self)
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{
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struct ixp_ehci_softc *isc = device_get_softc(self);
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ehci_softc_t *sc = &isc->base;
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device_t bdev;
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int err;
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if (sc->sc_bus.bdev) {
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bdev = sc->sc_bus.bdev;
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device_detach(bdev);
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device_delete_child(self, bdev);
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}
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/* during module unload there are lots of children leftover */
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device_delete_all_children(self);
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/*
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* disable interrupts that might have been switched on in ehci_init
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*/
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if (sc->sc_io_res) {
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EWRITE4(sc, EHCI_USBINTR, 0);
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}
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if (sc->sc_irq_res && sc->sc_intr_hdl) {
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/*
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* only call ehci_detach() after ehci_init()
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*/
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ehci_detach(sc);
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err = bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl);
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if (err)
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/* XXX or should we panic? */
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device_printf(self, "Could not tear down irq, %d\n",
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err);
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sc->sc_intr_hdl = NULL;
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}
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if (sc->sc_irq_res) {
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bus_release_resource(self, SYS_RES_IRQ, 0, sc->sc_irq_res);
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sc->sc_irq_res = NULL;
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}
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if (sc->sc_io_res) {
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bus_release_resource(self, SYS_RES_MEMORY, 0,
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sc->sc_io_res);
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sc->sc_io_res = NULL;
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}
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usb2_bus_mem_free_all(&sc->sc_bus, &ehci_iterate_hw_softc);
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return (0);
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}
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/*
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* Bus space accessors for PIO operations.
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*/
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static uint8_t
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ehci_bs_r_1(void *t, bus_space_handle_t h, bus_size_t o)
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{
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return bus_space_read_1((bus_space_tag_t) t, h,
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0x100 + (o &~ 3) + (3 - (o & 3)));
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}
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static void
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ehci_bs_w_1(void *t, bus_space_handle_t h, bus_size_t o, u_int8_t v)
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{
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panic("%s", __func__);
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}
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static uint16_t
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ehci_bs_r_2(void *t, bus_space_handle_t h, bus_size_t o)
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{
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return bus_space_read_2((bus_space_tag_t) t, h,
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0x100 + (o &~ 3) + (2 - (o & 3)));
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}
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static void
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ehci_bs_w_2(void *t, bus_space_handle_t h, bus_size_t o, uint16_t v)
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{
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panic("%s", __func__);
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}
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static uint32_t
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ehci_bs_r_4(void *t, bus_space_handle_t h, bus_size_t o)
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{
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return bus_space_read_4((bus_space_tag_t) t, h, 0x100 + o);
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}
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static void
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ehci_bs_w_4(void *t, bus_space_handle_t h, bus_size_t o, uint32_t v)
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{
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bus_space_write_4((bus_space_tag_t) t, h, 0x100 + o, v);
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}
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static device_method_t ehci_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, ehci_ixp_probe),
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DEVMETHOD(device_attach, ehci_ixp_attach),
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DEVMETHOD(device_detach, ehci_ixp_detach),
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DEVMETHOD(device_suspend, ehci_ixp_suspend),
|
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DEVMETHOD(device_resume, ehci_ixp_resume),
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DEVMETHOD(device_shutdown, ehci_ixp_shutdown),
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/* Bus interface */
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DEVMETHOD(bus_print_child, bus_generic_print_child),
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{0, 0}
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};
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static driver_t ehci_driver = {
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"ehci",
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ehci_methods,
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sizeof(struct ixp_ehci_softc),
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};
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static devclass_t ehci_devclass;
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DRIVER_MODULE(ehci, ixp, ehci_driver, ehci_devclass, 0, 0);
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MODULE_DEPEND(ehci, usb2_controller, 1, 1, 1);
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MODULE_DEPEND(ehci, usb2_core, 1, 1, 1);
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365
sys/dev/usb2/controller/ehci2_mbus.c
Normal file
365
sys/dev/usb2/controller/ehci2_mbus.c
Normal file
@ -0,0 +1,365 @@
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/*-
|
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* Copyright (C) 2008 MARVELL INTERNATIONAL LTD.
|
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* All rights reserved.
|
||||
*
|
||||
* Developed by Semihalf.
|
||||
*
|
||||
* 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.
|
||||
* 3. Neither the name of MARVELL nor the names of contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY AUTHOR 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 AUTHOR 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.
|
||||
*/
|
||||
|
||||
/*
|
||||
* MBus attachment driver for the USB Enhanced Host Controller.
|
||||
*/
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
__FBSDID("$FreeBSD$");
|
||||
|
||||
#include "opt_bus.h"
|
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|
||||
#include <dev/usb2/include/usb2_mfunc.h>
|
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#include <dev/usb2/include/usb2_defs.h>
|
||||
#include <dev/usb2/include/usb2_standard.h>
|
||||
|
||||
#include <dev/usb2/core/usb2_core.h>
|
||||
#include <dev/usb2/core/usb2_busdma.h>
|
||||
#include <dev/usb2/core/usb2_process.h>
|
||||
#include <dev/usb2/core/usb2_sw_transfer.h>
|
||||
#include <dev/usb2/core/usb2_util.h>
|
||||
|
||||
#include <dev/usb2/controller/usb2_controller.h>
|
||||
#include <dev/usb2/controller/usb2_bus.h>
|
||||
#include <dev/usb2/controller/ehci2.h>
|
||||
|
||||
#include <arm/mv/mvreg.h>
|
||||
#include <arm/mv/mvvar.h>
|
||||
|
||||
#define EHCI_VENDORID_MRVL 0x1286
|
||||
#define EHCI_HC_DEVSTR "Marvell Integrated USB 2.0 controller"
|
||||
|
||||
static device_attach_t ehci_mbus_attach;
|
||||
static device_detach_t ehci_mbus_detach;
|
||||
static device_shutdown_t ehci_mbus_shutdown;
|
||||
static device_suspend_t ehci_mbus_suspend;
|
||||
static device_resume_t ehci_mbus_resume;
|
||||
|
||||
static int err_intr(void *arg);
|
||||
|
||||
static struct resource *irq_err;
|
||||
static void *ih_err;
|
||||
|
||||
#define USB_BRIDGE_INTR_CAUSE 0x210
|
||||
#define USB_BRIDGE_INTR_MASK 0x214
|
||||
|
||||
#define MV_USB_ADDR_DECODE_ERR (1 << 0)
|
||||
#define MV_USB_HOST_UNDERFLOW (1 << 1)
|
||||
#define MV_USB_HOST_OVERFLOW (1 << 2)
|
||||
#define MV_USB_DEVICE_UNDERFLOW (1 << 3)
|
||||
|
||||
static int
|
||||
ehci_mbus_suspend(device_t self)
|
||||
{
|
||||
ehci_softc_t *sc = device_get_softc(self);
|
||||
int err;
|
||||
|
||||
err = bus_generic_suspend(self);
|
||||
if (err)
|
||||
return (err);
|
||||
ehci_suspend(sc);
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
ehci_mbus_resume(device_t self)
|
||||
{
|
||||
ehci_softc_t *sc = device_get_softc(self);
|
||||
|
||||
ehci_resume(sc);
|
||||
|
||||
bus_generic_resume(self);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
ehci_mbus_shutdown(device_t self)
|
||||
{
|
||||
ehci_softc_t *sc = device_get_softc(self);
|
||||
int err;
|
||||
|
||||
err = bus_generic_shutdown(self);
|
||||
if (err)
|
||||
return (err);
|
||||
ehci_shutdown(sc);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
ehci_mbus_probe(device_t self)
|
||||
{
|
||||
|
||||
device_set_desc(self, EHCI_HC_DEVSTR);
|
||||
|
||||
return (BUS_PROBE_DEFAULT);
|
||||
}
|
||||
|
||||
static int
|
||||
ehci_mbus_attach(device_t self)
|
||||
{
|
||||
ehci_softc_t *sc = device_get_softc(self);
|
||||
bus_space_handle_t bsh;
|
||||
int err;
|
||||
int rid;
|
||||
|
||||
/* initialise some bus fields */
|
||||
sc->sc_bus.parent = self;
|
||||
sc->sc_bus.devices = sc->sc_devices;
|
||||
sc->sc_bus.devices_max = EHCI_MAX_DEVICES;
|
||||
|
||||
/* get all DMA memory */
|
||||
if (usb2_bus_mem_alloc_all(&sc->sc_bus,
|
||||
USB_GET_DMA_TAG(self), &ehci_iterate_hw_softc)) {
|
||||
return (ENOMEM);
|
||||
}
|
||||
|
||||
sc->sc_bus.usbrev = USB_REV_2_0;
|
||||
|
||||
rid = 0;
|
||||
sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid, RF_ACTIVE);
|
||||
if (!sc->sc_io_res) {
|
||||
device_printf(self, "Could not map memory\n");
|
||||
goto error;
|
||||
}
|
||||
sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
|
||||
bsh = rman_get_bushandle(sc->sc_io_res);
|
||||
sc->sc_io_size = MV_USB_SIZE - MV_USB_HOST_OFST;
|
||||
|
||||
/*
|
||||
* Marvell EHCI host controller registers start at certain offset within
|
||||
* the whole USB registers range, so create a subregion for the host
|
||||
* mode configuration purposes.
|
||||
*/
|
||||
if (bus_space_subregion(sc->sc_io_tag, bsh, MV_USB_HOST_OFST,
|
||||
sc->sc_io_size, &sc->sc_io_hdl) != 0)
|
||||
panic("%s: unable to subregion USB host registers",
|
||||
device_get_name(self));
|
||||
|
||||
rid = 0;
|
||||
irq_err = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid,
|
||||
RF_SHAREABLE | RF_ACTIVE);
|
||||
if (irq_err == NULL) {
|
||||
device_printf(self, "Could not allocate error irq\n");
|
||||
ehci_mbus_detach(self);
|
||||
return (ENXIO);
|
||||
}
|
||||
|
||||
/*
|
||||
* Notice: Marvell EHCI controller has TWO interrupt lines, so make sure to
|
||||
* use the correct rid for the main one (controller interrupt) --
|
||||
* refer to obio_devices[] for the right resource number to use here.
|
||||
*/
|
||||
rid = 1;
|
||||
sc->sc_irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid,
|
||||
RF_SHAREABLE | RF_ACTIVE);
|
||||
if (sc->sc_irq_res == NULL) {
|
||||
device_printf(self, "Could not allocate irq\n");
|
||||
goto error;
|
||||
}
|
||||
|
||||
sc->sc_bus.bdev = device_add_child(self, "usbus", -1);
|
||||
if (!sc->sc_bus.bdev) {
|
||||
device_printf(self, "Could not add USB device\n");
|
||||
goto error;
|
||||
}
|
||||
device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
|
||||
device_set_desc(sc->sc_bus.bdev, EHCI_HC_DEVSTR);
|
||||
|
||||
sprintf(sc->sc_vendor, "Marvell");
|
||||
|
||||
err = bus_setup_intr(self, irq_err, INTR_FAST | INTR_TYPE_BIO,
|
||||
err_intr, NULL, sc, &ih_err);
|
||||
if (err) {
|
||||
device_printf(self, "Could not setup error irq, %d\n", err);
|
||||
ih_err = NULL;
|
||||
goto error;
|
||||
}
|
||||
|
||||
EWRITE4(sc, USB_BRIDGE_INTR_MASK, MV_USB_ADDR_DECODE_ERR |
|
||||
MV_USB_HOST_UNDERFLOW | MV_USB_HOST_OVERFLOW |
|
||||
MV_USB_DEVICE_UNDERFLOW);
|
||||
|
||||
err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
|
||||
NULL, (void *)(void *)ehci_interrupt, sc, &sc->sc_intr_hdl);
|
||||
if (err) {
|
||||
device_printf(self, "Could not setup irq, %d\n", err);
|
||||
sc->sc_intr_hdl = NULL;
|
||||
goto error;
|
||||
}
|
||||
|
||||
/*
|
||||
* Workaround for Marvell integrated EHCI controller: reset of
|
||||
* the EHCI core clears the USBMODE register, which sets the core in
|
||||
* an undefined state (neither host nor agent), so it needs to be set
|
||||
* again for proper operation.
|
||||
*
|
||||
* Refer to errata document MV-S500832-00D.pdf (p. 5.24 GL USB-2) for
|
||||
* details.
|
||||
*/
|
||||
sc->sc_flags |= EHCI_SCFLG_SETMODE;
|
||||
if (bootverbose)
|
||||
device_printf(self, "5.24 GL USB-2 workaround enabled\n");
|
||||
|
||||
/* XXX all MV chips need it? */
|
||||
sc->sc_flags |= EHCI_SCFLG_FORCESPEED | EHCI_SCFLG_NORESTERM;
|
||||
|
||||
err = ehci_init(sc);
|
||||
if (!err) {
|
||||
err = device_probe_and_attach(sc->sc_bus.bdev);
|
||||
}
|
||||
if (err) {
|
||||
device_printf(self, "USB init failed err=%d\n", err);
|
||||
goto error;
|
||||
}
|
||||
return (0);
|
||||
|
||||
error:
|
||||
ehci_mbus_detach(self);
|
||||
return (ENXIO);
|
||||
}
|
||||
|
||||
static int
|
||||
ehci_mbus_detach(device_t self)
|
||||
{
|
||||
ehci_softc_t *sc = device_get_softc(self);
|
||||
device_t bdev;
|
||||
int err;
|
||||
|
||||
if (sc->sc_bus.bdev) {
|
||||
bdev = sc->sc_bus.bdev;
|
||||
device_detach(bdev);
|
||||
device_delete_child(self, bdev);
|
||||
}
|
||||
/* during module unload there are lots of children leftover */
|
||||
device_delete_all_children(self);
|
||||
|
||||
/*
|
||||
* disable interrupts that might have been switched on in ehci_init
|
||||
*/
|
||||
if (sc->sc_io_res) {
|
||||
EWRITE4(sc, EHCI_USBINTR, 0);
|
||||
EWRITE4(sc, USB_BRIDGE_INTR_MASK, 0);
|
||||
}
|
||||
if (sc->sc_irq_res && sc->sc_intr_hdl) {
|
||||
/*
|
||||
* only call ehci_detach() after ehci_init()
|
||||
*/
|
||||
ehci_detach(sc);
|
||||
|
||||
err = bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl);
|
||||
|
||||
if (err)
|
||||
/* XXX or should we panic? */
|
||||
device_printf(self, "Could not tear down irq, %d\n",
|
||||
err);
|
||||
sc->sc_intr_hdl = NULL;
|
||||
}
|
||||
if (irq_err && ih_err) {
|
||||
err = bus_teardown_intr(self, irq_err, ih_err);
|
||||
|
||||
if (err)
|
||||
device_printf(self, "Could not tear down irq, %d\n",
|
||||
err);
|
||||
ih_err = NULL;
|
||||
}
|
||||
if (irq_err) {
|
||||
bus_release_resource(self, SYS_RES_IRQ, 0, irq_err);
|
||||
irq_err = NULL;
|
||||
}
|
||||
if (sc->sc_irq_res) {
|
||||
bus_release_resource(self, SYS_RES_IRQ, 1, sc->sc_irq_res);
|
||||
sc->sc_irq_res = NULL;
|
||||
}
|
||||
if (sc->sc_io_res) {
|
||||
bus_release_resource(self, SYS_RES_MEMORY, 0,
|
||||
sc->sc_io_res);
|
||||
sc->sc_io_res = NULL;
|
||||
}
|
||||
usb2_bus_mem_free_all(&sc->sc_bus, &ehci_iterate_hw_softc);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
err_intr(void *arg)
|
||||
{
|
||||
ehci_softc_t *sc = arg;
|
||||
unsigned int cause;
|
||||
|
||||
cause = EREAD4(sc, USB_BRIDGE_INTR_CAUSE);
|
||||
if (cause) {
|
||||
printf("IRQ ERR: cause: 0x%08x\n", cause);
|
||||
if (cause & MV_USB_ADDR_DECODE_ERR)
|
||||
printf("IRQ ERR: Address decoding error\n");
|
||||
if (cause & MV_USB_HOST_UNDERFLOW)
|
||||
printf("IRQ ERR: USB Host Underflow\n");
|
||||
if (cause & MV_USB_HOST_OVERFLOW)
|
||||
printf("IRQ ERR: USB Host Overflow\n");
|
||||
if (cause & MV_USB_DEVICE_UNDERFLOW)
|
||||
printf("IRQ ERR: USB Device Underflow\n");
|
||||
if (cause & ~(MV_USB_ADDR_DECODE_ERR | MV_USB_HOST_UNDERFLOW |
|
||||
MV_USB_HOST_OVERFLOW | MV_USB_DEVICE_UNDERFLOW))
|
||||
printf("IRQ ERR: Unknown error\n");
|
||||
|
||||
EWRITE4(sc, USB_BRIDGE_INTR_CAUSE, 0);
|
||||
}
|
||||
return (FILTER_HANDLED);
|
||||
}
|
||||
|
||||
static device_method_t ehci_methods[] = {
|
||||
/* Device interface */
|
||||
DEVMETHOD(device_probe, ehci_mbus_probe),
|
||||
DEVMETHOD(device_attach, ehci_mbus_attach),
|
||||
DEVMETHOD(device_detach, ehci_mbus_detach),
|
||||
DEVMETHOD(device_suspend, ehci_mbus_suspend),
|
||||
DEVMETHOD(device_resume, ehci_mbus_resume),
|
||||
DEVMETHOD(device_shutdown, ehci_mbus_shutdown),
|
||||
|
||||
/* Bus interface */
|
||||
DEVMETHOD(bus_print_child, bus_generic_print_child),
|
||||
|
||||
{0, 0}
|
||||
};
|
||||
|
||||
static driver_t ehci_driver = {
|
||||
"ehci",
|
||||
ehci_methods,
|
||||
sizeof(ehci_softc_t),
|
||||
};
|
||||
|
||||
static devclass_t ehci_devclass;
|
||||
|
||||
DRIVER_MODULE(ehci, mbus, ehci_driver, ehci_devclass, 0, 0);
|
||||
MODULE_DEPEND(ehci, usb2_controller, 1, 1, 1);
|
||||
MODULE_DEPEND(ehci, usb2_core, 1, 1, 1);
|
||||
Loading…
Reference in New Issue
Block a user