---
freebsd/sys/dev/usb/controller/ehci_pci.c | 592 ++++++++++++++++++++++
freebsd/sys/dev/usb/usb_pci.h | 43 ++
2 files changed, 635 insertions(+)
create mode 100644 freebsd/sys/dev/usb/controller/ehci_pci.c
create mode 100644 freebsd/sys/dev/usb/usb_pci.h
diff --git a/freebsd/sys/dev/usb/controller/ehci_pci.c
b/freebsd/sys/dev/usb/controller/ehci_pci.c
new file mode 100644
index 00000000..d1320278
--- /dev/null
+++ b/freebsd/sys/dev/usb/controller/ehci_pci.c
@@ -0,0 +1,592 @@
+#include <machine/rtems-bsd-kernel-space.h>
+
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-NetBSD
+ *
+ * Copyright (c) 1998 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Lennart Augustsson (augus...@carlstedt.se) at
+ * Carlstedt Research & Technology.
+ *
+ * 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 <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+/*
+ * USB Enhanced Host Controller Driver, a.k.a. USB 2.0 controller.
+ *
+ * The EHCI 1.0 spec can be found at
+ * http://developer.intel.com/technology/usb/download/ehci-r10.pdf
+ * and the USB 2.0 spec at
+ * http://www.usb.org/developers/docs/usb_20.zip
+ */
+
+/* The low level controller code for EHCI has been split into
+ * PCI probes and EHCI specific code. This was done to facilitate the
+ * sharing of code between *BSD's
+ */
+
+#include <sys/stdint.h>
+#include <sys/stddef.h>
+#include <sys/param.h>
+#include <sys/queue.h>
+#include <sys/types.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/bus.h>
+#include <sys/module.h>
+#include <sys/lock.h>
+#include <sys/mutex.h>
+#include <sys/condvar.h>
+#include <sys/sysctl.h>
+#include <sys/sx.h>
+#include <rtems/bsd/sys/unistd.h>
+#include <sys/callout.h>
+#include <sys/malloc.h>
+#include <sys/priv.h>
+
+#include <dev/usb/usb.h>
+#include <dev/usb/usbdi.h>
+
+#include <dev/usb/usb_core.h>
+#include <dev/usb/usb_busdma.h>
+#include <dev/usb/usb_process.h>
+#include <dev/usb/usb_util.h>
+
+#include <dev/usb/usb_controller.h>
+#include <dev/usb/usb_bus.h>
+#include <dev/usb/usb_pci.h>
+#include <dev/usb/controller/ehci.h>
+#include <dev/usb/controller/ehcireg.h>
+#include <rtems/bsd/local/usb_if.h>
+
+#define PCI_EHCI_VENDORID_ACERLABS 0x10b9
+#define PCI_EHCI_VENDORID_AMD 0x1022
+#define PCI_EHCI_VENDORID_APPLE 0x106b
+#define PCI_EHCI_VENDORID_ATI 0x1002
+#define PCI_EHCI_VENDORID_CMDTECH 0x1095
+#define PCI_EHCI_VENDORID_INTEL 0x8086
+#define PCI_EHCI_VENDORID_NEC 0x1033
+#define PCI_EHCI_VENDORID_OPTI 0x1045
+#define PCI_EHCI_VENDORID_PHILIPS 0x1131
+#define PCI_EHCI_VENDORID_SIS 0x1039
+#define PCI_EHCI_VENDORID_NVIDIA 0x12D2
+#define PCI_EHCI_VENDORID_NVIDIA2 0x10DE
+#define PCI_EHCI_VENDORID_VIA 0x1106
+
+static device_probe_t ehci_pci_probe;
+static device_attach_t ehci_pci_attach;
+static device_detach_t ehci_pci_detach;
+static usb_take_controller_t ehci_pci_take_controller;
+
+static const char *
+ehci_pci_match(device_t self)
+{
+ uint32_t device_id = pci_get_devid(self);
+
+ switch (device_id) {
+ case 0x523910b9:
+ return "ALi M5239 USB 2.0 controller";
+
+ case 0x10227463:
+ return "AMD 8111 USB 2.0 controller";
+
+ case 0x20951022:
+ return ("AMD CS5536 (Geode) USB 2.0 controller");
+ case 0x78081022:
+ return ("AMD FCH USB 2.0 controller");
+
+ case 0x43451002:
+ return "ATI SB200 USB 2.0 controller";
+ case 0x43731002:
+ return "ATI SB400 USB 2.0 controller";
+ case 0x43961002:
+ return ("AMD SB7x0/SB8x0/SB9x0 USB 2.0 controller");
+
+ case 0x0f348086:
+ return ("Intel BayTrail USB 2.0 controller");
+ case 0x1c268086:
+ return ("Intel Cougar Point USB 2.0 controller");
+ case 0x1c2d8086:
+ return ("Intel Cougar Point USB 2.0 controller");
+ case 0x1d268086:
+ return ("Intel Patsburg USB 2.0 controller");
+ case 0x1d2d8086:
+ return ("Intel Patsburg USB 2.0 controller");
+ case 0x1e268086:
+ return ("Intel Panther Point USB 2.0 controller");
+ case 0x1e2d8086:
+ return ("Intel Panther Point USB 2.0 controller");
+ case 0x1f2c8086:
+ return ("Intel Avoton USB 2.0 controller");
+ case 0x25ad8086:
+ return "Intel 6300ESB USB 2.0 controller";
+ case 0x24cd8086:
+ return "Intel 82801DB/L/M (ICH4) USB 2.0 controller";
+ case 0x24dd8086:
+ return "Intel 82801EB/R (ICH5) USB 2.0 controller";
+ case 0x265c8086:
+ return "Intel 82801FB (ICH6) USB 2.0 controller";
+ case 0x268c8086:
+ return ("Intel 63XXESB USB 2.0 controller");
+ case 0x27cc8086:
+ return "Intel 82801GB/R (ICH7) USB 2.0 controller";
+ case 0x28368086:
+ return "Intel 82801H (ICH8) USB 2.0 controller USB2-A";
+ case 0x283a8086:
+ return "Intel 82801H (ICH8) USB 2.0 controller USB2-B";
+ case 0x293a8086:
+ return "Intel 82801I (ICH9) USB 2.0 controller";
+ case 0x293c8086:
+ return "Intel 82801I (ICH9) USB 2.0 controller";
+ case 0x3a3a8086:
+ return "Intel 82801JI (ICH10) USB 2.0 controller USB-A";
+ case 0x3a3c8086:
+ return "Intel 82801JI (ICH10) USB 2.0 controller USB-B";
+ case 0x3b348086:
+ return ("Intel PCH USB 2.0 controller USB-A");
+ case 0x3b3c8086:
+ return ("Intel PCH USB 2.0 controller USB-B");
+ case 0x8c268086:
+ return ("Intel Lynx Point USB 2.0 controller USB-A");
+ case 0x8c2d8086:
+ return ("Intel Lynx Point USB 2.0 controller USB-B");
+ case 0x8ca68086:
+ return ("Intel Wildcat Point USB 2.0 controller USB-A");
+ case 0x8cad8086:
+ return ("Intel Wildcat Point USB 2.0 controller USB-B");
+ case 0x8d268086:
+ return ("Intel Wellsburg USB 2.0 controller");
+ case 0x8d2d8086:
+ return ("Intel Wellsburg USB 2.0 controller");
+ case 0x9c268086:
+ return ("Intel Lynx Point-LP USB 2.0 controller");
+ case 0x9ca68086:
+ return ("Intel Wildcat Point-LP USB 2.0 controller");
+
+ case 0x00e01033:
+ return ("NEC uPD 72010x USB 2.0 controller");
+
+ case 0x006810de:
+ return "NVIDIA nForce2 USB 2.0 controller";
+ case 0x008810de:
+ return "NVIDIA nForce2 Ultra 400 USB 2.0 controller";
+ case 0x00d810de:
+ return "NVIDIA nForce3 USB 2.0 controller";
+ case 0x00e810de:
+ return "NVIDIA nForce3 250 USB 2.0 controller";
+ case 0x005b10de:
+ return "NVIDIA nForce CK804 USB 2.0 controller";
+ case 0x036d10de:
+ return "NVIDIA nForce MCP55 USB 2.0 controller";
+ case 0x03f210de:
+ return "NVIDIA nForce MCP61 USB 2.0 controller";
+ case 0x0aa610de:
+ return "NVIDIA nForce MCP79 USB 2.0 controller";
+ case 0x0aa910de:
+ return "NVIDIA nForce MCP79 USB 2.0 controller";
+ case 0x0aaa10de:
+ return "NVIDIA nForce MCP79 USB 2.0 controller";
+
+ case 0x15621131:
+ return "Philips ISP156x USB 2.0 controller";
+
+ case 0x31041106:
+ return ("VIA VT6202 USB 2.0 controller");
+
+ default:
+ break;
+ }
+
+ if ((pci_get_class(self) == PCIC_SERIALBUS)
+ && (pci_get_subclass(self) == PCIS_SERIALBUS_USB)
+ && (pci_get_progif(self) == PCI_INTERFACE_EHCI)) {
+ return ("EHCI (generic) USB 2.0 controller");
+ }
+ return (NULL); /* dunno */
+}
+
+static int
+ehci_pci_probe(device_t self)
+{
+ const char *desc = ehci_pci_match(self);
+
+ if (desc) {
+ device_set_desc(self, desc);
+ return (BUS_PROBE_DEFAULT);
+ } else {
+ return (ENXIO);
+ }
+}
+
+static void
+ehci_pci_ati_quirk(device_t self, uint8_t is_sb700)
+{
+ device_t smbdev;
+ uint32_t val;
+
+ if (is_sb700) {
+ /* Lookup SMBUS PCI device */
+ smbdev = pci_find_device(PCI_EHCI_VENDORID_ATI, 0x4385);
+ if (smbdev == NULL)
+ return;
+ val = pci_get_revid(smbdev);
+ if (val != 0x3a && val != 0x3b)
+ return;
+ }
+
+ /*
+ * Note: this bit is described as reserved in SB700
+ * Register Reference Guide.
+ */
+ val = pci_read_config(self, 0x53, 1);
+ if (!(val & 0x8)) {
+ val |= 0x8;
+ pci_write_config(self, 0x53, val, 1);
+ device_printf(self, "AMD SB600/700 quirk applied\n");
+ }
+}
+
+static void
+ehci_pci_via_quirk(device_t self)
+{
+ uint32_t val;
+
+ if ((pci_get_device(self) == 0x3104) &&
+ ((pci_get_revid(self) & 0xf0) == 0x60)) {
+ /* Correct schedule sleep time to 10us */
+ val = pci_read_config(self, 0x4b, 1);
+ if (val & 0x20)
+ return;
+ val |= 0x20;
+ pci_write_config(self, 0x4b, val, 1);
+ device_printf(self, "VIA-quirk applied\n");
+ }
+}
+
+static int
+ehci_pci_attach(device_t self)
+{
+ ehci_softc_t *sc = device_get_softc(self);
+ 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;
+ sc->sc_bus.dma_bits = 32;
+
+ /* get all DMA memory */
+ if (usb_bus_mem_alloc_all(&sc->sc_bus,
+ USB_GET_DMA_TAG(self), &ehci_iterate_hw_softc)) {
+ return (ENOMEM);
+ }
+
+ pci_enable_busmaster(self);
+
+ switch (pci_read_config(self, PCI_USBREV, 1) & PCI_USB_REV_MASK) {
+ case PCI_USB_REV_PRE_1_0:
+ case PCI_USB_REV_1_0:
+ case PCI_USB_REV_1_1:
+ /*
+ * NOTE: some EHCI USB controllers have the wrong USB
+ * revision number. It appears those controllers are
+ * fully compliant so we just ignore this value in
+ * some common cases.
+ */
+ device_printf(self, "pre-2.0 USB revision (ignored)\n");
+ /* fallthrough */
+ case PCI_USB_REV_2_0:
+ break;
+ default:
+ /* Quirk for Parallels Desktop 4.0 */
+ device_printf(self, "USB revision is unknown. Assuming
v2.0.\n");
+ break;
+ }
+
+ rid = PCI_CBMEM;
+ 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);
+ sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
+ sc->sc_io_size = rman_get_size(sc->sc_io_res);
+
+ rid = 0;
+ 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);
+
+ /*
+ * ehci_pci_match will never return NULL if ehci_pci_probe
+ * succeeded
+ */
+ device_set_desc(sc->sc_bus.bdev, ehci_pci_match(self));
+ switch (pci_get_vendor(self)) {
+ case PCI_EHCI_VENDORID_ACERLABS:
+ sprintf(sc->sc_vendor, "AcerLabs");
+ break;
+ case PCI_EHCI_VENDORID_AMD:
+ sprintf(sc->sc_vendor, "AMD");
+ break;
+ case PCI_EHCI_VENDORID_APPLE:
+ sprintf(sc->sc_vendor, "Apple");
+ break;
+ case PCI_EHCI_VENDORID_ATI:
+ sprintf(sc->sc_vendor, "ATI");
+ break;
+ case PCI_EHCI_VENDORID_CMDTECH:
+ sprintf(sc->sc_vendor, "CMDTECH");
+ break;
+ case PCI_EHCI_VENDORID_INTEL:
+ sprintf(sc->sc_vendor, "Intel");
+ break;
+ case PCI_EHCI_VENDORID_NEC:
+ sprintf(sc->sc_vendor, "NEC");
+ break;
+ case PCI_EHCI_VENDORID_OPTI:
+ sprintf(sc->sc_vendor, "OPTi");
+ break;
+ case PCI_EHCI_VENDORID_PHILIPS:
+ sprintf(sc->sc_vendor, "Philips");
+ break;
+ case PCI_EHCI_VENDORID_SIS:
+ sprintf(sc->sc_vendor, "SiS");
+ break;
+ case PCI_EHCI_VENDORID_NVIDIA:
+ case PCI_EHCI_VENDORID_NVIDIA2:
+ sprintf(sc->sc_vendor, "nVidia");
+ break;
+ case PCI_EHCI_VENDORID_VIA:
+ sprintf(sc->sc_vendor, "VIA");
+ break;
+ default:
+ if (bootverbose)
+ device_printf(self, "(New EHCI DeviceId=0x%08x)\n",
+ pci_get_devid(self));
+ sprintf(sc->sc_vendor, "(0x%04x)", pci_get_vendor(self));
+ }
+
+#if (__FreeBSD_version >= 700031)
+ err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
+ NULL, (driver_intr_t *)ehci_interrupt, sc, &sc->sc_intr_hdl);
+#else
+ err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
+ (driver_intr_t *)ehci_interrupt, sc, &sc->sc_intr_hdl);
+#endif
+ if (err) {
+ device_printf(self, "Could not setup irq, %d\n", err);
+ sc->sc_intr_hdl = NULL;
+ goto error;
+ }
+ ehci_pci_take_controller(self);
+
+ /* Undocumented quirks taken from Linux */
+
+ switch (pci_get_vendor(self)) {
+ case PCI_EHCI_VENDORID_ATI:
+ /* SB600 and SB700 EHCI quirk */
+ switch (pci_get_device(self)) {
+ case 0x4386:
+ ehci_pci_ati_quirk(self, 0);
+ break;
+ case 0x4396:
+ ehci_pci_ati_quirk(self, 1);
+ break;
+ default:
+ break;
+ }
+ break;
+
+ case PCI_EHCI_VENDORID_VIA:
+ ehci_pci_via_quirk(self);
+ break;
+
+ default:
+ break;
+ }
+
+ /* Dropped interrupts workaround */
+ switch (pci_get_vendor(self)) {
+ case PCI_EHCI_VENDORID_ATI:
+ case PCI_EHCI_VENDORID_VIA:
+ sc->sc_flags |= EHCI_SCFLG_LOSTINTRBUG;
+ if (bootverbose)
+ device_printf(self,
+ "Dropped interrupts workaround enabled\n");
+ break;
+ default:
+ break;
+ }
+
+ /* Doorbell feature workaround */
+ switch (pci_get_vendor(self)) {
+ case PCI_EHCI_VENDORID_NVIDIA:
+ case PCI_EHCI_VENDORID_NVIDIA2:
+ sc->sc_flags |= EHCI_SCFLG_IAADBUG;
+ if (bootverbose)
+ device_printf(self,
+ "Doorbell workaround enabled\n");
+ break;
+ default:
+ break;
+ }
+
+ 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_pci_detach(self);
+ return (ENXIO);
+}
+
+static int
+ehci_pci_detach(device_t self)
+{
+ ehci_softc_t *sc = device_get_softc(self);
+
+ /* during module unload there are lots of children leftover */
+ device_delete_children(self);
+
+ pci_disable_busmaster(self);
+
+ if (sc->sc_irq_res && sc->sc_intr_hdl) {
+ /*
+ * only call ehci_detach() after ehci_init()
+ */
+ ehci_detach(sc);
+
+ int 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 (sc->sc_irq_res) {
+ bus_release_resource(self, SYS_RES_IRQ, 0, sc->sc_irq_res);
+ sc->sc_irq_res = NULL;
+ }
+ if (sc->sc_io_res) {
+ bus_release_resource(self, SYS_RES_MEMORY, PCI_CBMEM,
+ sc->sc_io_res);
+ sc->sc_io_res = NULL;
+ }
+ usb_bus_mem_free_all(&sc->sc_bus, &ehci_iterate_hw_softc);
+
+ return (0);
+}
+
+static int
+ehci_pci_take_controller(device_t self)
+{
+ ehci_softc_t *sc = device_get_softc(self);
+ uint32_t cparams;
+ uint32_t eec;
+ uint16_t to;
+ uint8_t eecp;
+ uint8_t bios_sem;
+
+ cparams = EREAD4(sc, EHCI_HCCPARAMS);
+
+ /* Synchronise with the BIOS if it owns the controller. */
+ for (eecp = EHCI_HCC_EECP(cparams); eecp != 0;
+ eecp = EHCI_EECP_NEXT(eec)) {
+ eec = pci_read_config(self, eecp, 4);
+ if (EHCI_EECP_ID(eec) != EHCI_EC_LEGSUP) {
+ continue;
+ }
+ bios_sem = pci_read_config(self, eecp +
+ EHCI_LEGSUP_BIOS_SEM, 1);
+ if (bios_sem == 0) {
+ continue;
+ }
+ device_printf(sc->sc_bus.bdev, "waiting for BIOS "
+ "to give up control\n");
+ pci_write_config(self, eecp +
+ EHCI_LEGSUP_OS_SEM, 1, 1);
+ to = 500;
+ while (1) {
+ bios_sem = pci_read_config(self, eecp +
+ EHCI_LEGSUP_BIOS_SEM, 1);
+ if (bios_sem == 0)
+ break;
+
+ if (--to == 0) {
+ device_printf(sc->sc_bus.bdev,
+ "timed out waiting for BIOS\n");
+ break;
+ }
+ usb_pause_mtx(NULL, hz / 100); /* wait 10ms */
+ }
+ }
+ return (0);
+}
+
+static device_method_t ehci_pci_methods[] = {
+ /* Device interface */
+ DEVMETHOD(device_probe, ehci_pci_probe),
+ DEVMETHOD(device_attach, ehci_pci_attach),
+ DEVMETHOD(device_detach, ehci_pci_detach),
+ DEVMETHOD(device_suspend, bus_generic_suspend),
+ DEVMETHOD(device_resume, bus_generic_resume),
+ DEVMETHOD(device_shutdown, bus_generic_shutdown),
+ DEVMETHOD(usb_take_controller, ehci_pci_take_controller),
+
+ DEVMETHOD_END
+};
+
+static driver_t ehci_driver = {
+ .name = "ehci",
+ .methods = ehci_pci_methods,
+ .size = sizeof(struct ehci_softc),
+};
+
+static devclass_t ehci_devclass;
+
+DRIVER_MODULE(ehci, pci, ehci_driver, ehci_devclass, 0, 0);
+MODULE_DEPEND(ehci, usb, 1, 1, 1);
diff --git a/freebsd/sys/dev/usb/usb_pci.h b/freebsd/sys/dev/usb/usb_pci.h
new file mode 100644
index 00000000..86e8cb39
--- /dev/null
+++ b/freebsd/sys/dev/usb/usb_pci.h
@@ -0,0 +1,43 @@
+/* $FreeBSD$ */
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
+ *
+ * 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 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 THE 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.
+ */
+
+#ifndef _USB_PCI_H_
+#define _USB_PCI_H_
+
+/*
+ * We don't want the following files included everywhere, that's why
+ * they are in a separate file.
+ */
+#ifndef USB_GLOBAL_INCLUDE_FILE
+#include <dev/pci/pcireg.h>
+#include <dev/pci/pcivar.h>
+
+#include <sys/rman.h>
+#endif
+
+#endif /* _USB_PCI_H_ */
--
2.17.1
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