Add ISP/SAF1761 bootloader bus interface file.
Sponsored by: DARPA, AFRL
This commit is contained in:
Hans Petter Selasky
parent
ccc29eb1b9
commit
74c1f36628
146
sys/dev/usb/controller/saf1761_otg_boot.c
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146
sys/dev/usb/controller/saf1761_otg_boot.c
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/* $FreeBSD$ */
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/*-
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* Copyright (c) 2014 Hans Petter Selasky <hselasky@FreeBSD.org>
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* All rights reserved.
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*
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* This software was developed by SRI International and the University of
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* Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
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* ("CTSRD"), as part of the DARPA CRASH research programme.
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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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include USB_GLOBAL_INCLUDE_FILE
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#include <dev/usb/controller/saf1761_otg.h>
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#include <dev/usb/controller/saf1761_otg_reg.h>
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static device_probe_t saf1761_otg_fdt_probe;
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static device_attach_t saf1761_otg_fdt_attach;
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static device_detach_t saf1761_otg_fdt_detach;
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static device_method_t saf1761_otg_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, saf1761_otg_fdt_probe),
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DEVMETHOD(device_attach, saf1761_otg_fdt_attach),
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DEVMETHOD(device_detach, saf1761_otg_fdt_detach),
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DEVMETHOD(device_suspend, bus_generic_suspend),
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DEVMETHOD(device_resume, bus_generic_resume),
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DEVMETHOD(device_shutdown, bus_generic_shutdown),
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DEVMETHOD_END
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};
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static driver_t saf1761_otg_driver = {
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.name = "saf1761otg",
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.methods = saf1761_otg_methods,
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.size = sizeof(struct saf1761_otg_softc),
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};
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static devclass_t saf1761_otg_devclass;
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DRIVER_MODULE(saf1761otg, pci, saf1761_otg_driver, saf1761_otg_devclass, 0, 0);
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MODULE_DEPEND(saf1761otg, usb, 1, 1, 1);
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static int
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saf1761_otg_fdt_probe(device_t dev)
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{
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if (device_get_unit(dev) != 0)
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return (ENXIO);
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device_set_desc(dev, "ISP1761/SAF1761 DCI USB 2.0 Device Controller");
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return (0);
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}
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static int
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saf1761_otg_fdt_attach(device_t dev)
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{
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struct saf1761_otg_softc *sc = device_get_softc(dev);
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int err;
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/* 32-bit data bus */
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sc->sc_hw_mode |= SOTG_HW_MODE_CTRL_DATA_BUS_WIDTH;
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/* initialise some bus fields */
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sc->sc_bus.parent = dev;
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sc->sc_bus.devices = sc->sc_devices;
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sc->sc_bus.devices_max = SOTG_MAX_DEVICES;
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/* get all DMA memory */
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if (usb_bus_mem_alloc_all(&sc->sc_bus, USB_GET_DMA_TAG(dev), NULL))
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return (ENOMEM);
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sc->sc_io_res = (void *)1;
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sc->sc_io_tag = (void *)1;
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sc->sc_io_hdl = (void *)USB_PCI_MEMORY_ADDRESS;
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sc->sc_io_size = USB_PCI_MEMORY_SIZE;
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sc->sc_bus.bdev = device_add_child(dev, "usbus", -1);
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if (sc->sc_bus.bdev == NULL)
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goto error;
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device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
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device_set_interrupt(dev, &saf1761_otg_filter_interrupt, &saf1761_otg_interrupt, sc);
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err = saf1761_otg_init(sc);
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if (err) {
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device_printf(dev, "Init failed\n");
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goto error;
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}
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err = device_probe_and_attach(sc->sc_bus.bdev);
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if (err) {
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device_printf(dev, "USB probe and attach failed\n");
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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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saf1761_otg_fdt_detach(dev);
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return (ENXIO);
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}
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static int
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saf1761_otg_fdt_detach(device_t dev)
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{
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struct saf1761_otg_softc *sc = device_get_softc(dev);
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device_t bdev;
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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(dev, bdev);
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}
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/* during module unload there are lots of children leftover */
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device_delete_children(dev);
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if (sc->sc_irq_res) {
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/*
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* Only call uninit() after init()
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*/
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saf1761_otg_uninit(sc);
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}
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usb_bus_mem_free_all(&sc->sc_bus, NULL);
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return (0);
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}
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