diff options
Diffstat (limited to 'sys/dev/usb2/controller/ehci2_mbus.c')
| -rw-r--r-- | sys/dev/usb2/controller/ehci2_mbus.c | 365 |
1 files changed, 0 insertions, 365 deletions
diff --git a/sys/dev/usb2/controller/ehci2_mbus.c b/sys/dev/usb2/controller/ehci2_mbus.c deleted file mode 100644 index 404617b..0000000 --- a/sys/dev/usb2/controller/ehci2_mbus.c +++ /dev/null @@ -1,365 +0,0 @@ -/*- - * Copyright (C) 2008 MARVELL INTERNATIONAL LTD. - * 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" - -#include <dev/usb2/include/usb2_mfunc.h> -#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); 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