Initial import of Ralink/Mediatek MIPS SoC support #5
USB support This revision adds USB (EHCI/OHCI/OTG, depending on SoC type) support for various Ralink/Mediatek SoCs. Currently USB is not supported on MT7621, this will be a future addition. A USB PHY driver is also included, so that we can properly initialize the USB PHY (e.g., clocks, resets, registers where needed), before attempting to initialize EHCI/OHCI/OTG functionality. Approved by: adrian (mentor) Sponsored by: Smartcom - Bulgaria AD Differential Revision: https://reviews.freebsd.org/D5841
This commit is contained in:
sgalabov
parent
12fb57ccb7
commit
dfaa9c5ff9
220
sys/mips/mediatek/mtk_dotg.c
Normal file
220
sys/mips/mediatek/mtk_dotg.c
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@ -0,0 +1,220 @@
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*-
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* Copyright (c) 2015-2016 Stanislav Galabov. All rights reserved.
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* Copyright (c) 2010,2011 Aleksandr Rybalko. All rights reserved.
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* Copyright (c) 2007-2008 Hans Petter Selasky. 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
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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 <sys/stdint.h>
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#include <sys/stddef.h>
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#include <sys/param.h>
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#include <sys/queue.h>
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#include <sys/types.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/module.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/condvar.h>
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#include <sys/sysctl.h>
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#include <sys/sx.h>
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#include <sys/unistd.h>
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#include <sys/callout.h>
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#include <sys/malloc.h>
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#include <sys/priv.h>
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#include <sys/rman.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/usb_core.h>
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#include <dev/usb/usb_busdma.h>
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#include <dev/usb/usb_process.h>
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#include <dev/usb/usb_util.h>
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#include <dev/usb/usb_controller.h>
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#include <dev/usb/usb_bus.h>
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#include <dev/usb/controller/dwc_otg.h>
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#include <dev/ofw/openfirm.h>
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#include <dev/ofw/ofw_bus.h>
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#include <dev/ofw/ofw_bus_subr.h>
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#define MEM_RID 0
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static device_probe_t dotg_fdt_probe;
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static device_attach_t dotg_fdt_attach;
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static device_detach_t dotg_fdt_detach;
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static int
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dotg_fdt_probe(device_t dev)
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{
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if (!ofw_bus_status_okay(dev))
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return (ENXIO);
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if (!ofw_bus_is_compatible(dev, "ralink,rt3050-otg"))
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return (ENXIO);
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device_set_desc(dev, "MTK DWC-OTG USB Controller");
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return (0);
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}
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static int
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dotg_fdt_attach(device_t dev)
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{
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struct dwc_otg_softc *sc = device_get_softc(dev);
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int err, rid;
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/* setup controller interface softc */
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/* initialise some bus fields */
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sc->sc_mode = DWC_MODE_HOST;
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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 = DWC_OTG_MAX_DEVICES;
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sc->sc_bus.dma_bits = 32;
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/* get all DMA memory */
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if (usb_bus_mem_alloc_all(&sc->sc_bus,
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USB_GET_DMA_TAG(dev), NULL)) {
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printf("No mem\n");
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return (ENOMEM);
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}
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rid = 0;
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sc->sc_io_res =
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bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
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if (!(sc->sc_io_res)) {
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printf("Can`t alloc MEM\n");
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goto error;
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}
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sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
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sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
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sc->sc_io_size = rman_get_size(sc->sc_io_res);
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rid = 0;
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sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
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&rid, RF_ACTIVE);
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if (!(sc->sc_irq_res)) {
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printf("Can`t alloc IRQ\n");
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goto error;
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}
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sc->sc_bus.bdev = device_add_child(dev, "usbus", -1);
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if (!(sc->sc_bus.bdev)) {
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printf("Can`t add usbus\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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err = bus_setup_intr(dev, sc->sc_irq_res,
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INTR_TYPE_TTY | INTR_MPSAFE, dwc_otg_filter_interrupt,
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dwc_otg_interrupt, sc, &sc->sc_intr_hdl);
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if (err) {
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sc->sc_intr_hdl = NULL;
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printf("Can`t set IRQ handle\n");
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goto error;
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}
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err = dwc_otg_init(sc);
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if (err) printf("dotg_init fail\n");
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if (!err) {
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err = device_probe_and_attach(sc->sc_bus.bdev);
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if (err) printf("device_probe_and_attach fail %d\n", err);
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}
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if (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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dotg_fdt_detach(dev);
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return (ENXIO);
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}
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static int
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dotg_fdt_detach(device_t dev)
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{
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struct dwc_otg_softc *sc = device_get_softc(dev);
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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(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 && sc->sc_intr_hdl) {
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/*
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* only call dotg_fdt_uninit() after dotg_fdt_init()
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*/
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dwc_otg_uninit(sc);
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err = bus_teardown_intr(dev, sc->sc_irq_res,
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sc->sc_intr_hdl);
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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(dev, SYS_RES_IRQ, 0,
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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(dev, 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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usb_bus_mem_free_all(&sc->sc_bus, NULL);
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return (0);
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}
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static device_method_t dotg_fdt_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, dotg_fdt_probe),
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DEVMETHOD(device_attach, dotg_fdt_attach),
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DEVMETHOD(device_detach, dotg_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 dotg_fdt_driver = {
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.name = "dwcotg",
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.methods = dotg_fdt_methods,
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.size = sizeof(struct dwc_otg_softc),
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};
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static devclass_t dotg_fdt_devclass;
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DRIVER_MODULE(dotg, simplebus, dotg_fdt_driver, dotg_fdt_devclass, 0, 0);
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223
sys/mips/mediatek/mtk_ehci.c
Normal file
223
sys/mips/mediatek/mtk_ehci.c
Normal file
@ -0,0 +1,223 @@
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*-
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* Copyright (c) 2015 Stanislav Galabov. All rights reserved.
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* Copyright (c) 2010,2011 Aleksandr Rybalko. All rights reserved.
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* Copyright (c) 2007-2008 Hans Petter Selasky. 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
|
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* documentation and/or other materials provided with the distribution.
|
||||
*
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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 <sys/stdint.h>
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#include <sys/stddef.h>
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#include <sys/param.h>
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#include <sys/queue.h>
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#include <sys/types.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/module.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/condvar.h>
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#include <sys/sysctl.h>
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#include <sys/sx.h>
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#include <sys/unistd.h>
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#include <sys/callout.h>
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#include <sys/malloc.h>
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#include <sys/priv.h>
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#include <sys/rman.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/usb_core.h>
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#include <dev/usb/usb_busdma.h>
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#include <dev/usb/usb_process.h>
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#include <dev/usb/usb_util.h>
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#include <dev/usb/usb_controller.h>
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#include <dev/usb/usb_bus.h>
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#include <dev/usb/controller/ehci.h>
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#include <dev/ofw/openfirm.h>
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#include <dev/ofw/ofw_bus.h>
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#include <dev/ofw/ofw_bus_subr.h>
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#define EHCI_HC_DEVSTR "MTK USB 2.0 Controller"
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static device_probe_t ehci_fdt_probe;
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static device_attach_t ehci_fdt_attach;
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static device_detach_t ehci_fdt_detach;
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static int
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ehci_fdt_probe(device_t self)
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{
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if (!ofw_bus_status_okay(self))
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return (ENXIO);
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if (!ofw_bus_is_compatible(self, "ralink,rt3xxx-ehci"))
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return (ENXIO);
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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_fdt_attach(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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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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sc->sc_bus.dma_bits = 32;
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/* get all DMA memory */
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if (usb_bus_mem_alloc_all(&sc->sc_bus,
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USB_GET_DMA_TAG(self), &ehci_iterate_hw_softc)) {
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printf("No mem\n");
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return (ENOMEM);
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}
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rid = 0;
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sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid,
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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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sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
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sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
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sc->sc_io_size = rman_get_size(sc->sc_io_res);
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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_SHAREABLE | 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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|
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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, "MediaTek");
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err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
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NULL, (driver_intr_t *)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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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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return (0);
|
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|
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error:
|
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ehci_fdt_detach(self);
|
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return (ENXIO);
|
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}
|
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|
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static int
|
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ehci_fdt_detach(device_t self)
|
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{
|
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ehci_softc_t *sc = device_get_softc(self);
|
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device_t bdev;
|
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int err;
|
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|
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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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}
|
||||
/* during module unload there are lots of children leftover */
|
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device_delete_children(self);
|
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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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ehci_detach(sc);
|
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|
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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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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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if (sc->sc_irq_res) {
|
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bus_release_resource(self, SYS_RES_IRQ, 0,
|
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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,
|
||||
sc->sc_io_res);
|
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sc->sc_io_res = NULL;
|
||||
}
|
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usb_bus_mem_free_all(&sc->sc_bus, &ehci_iterate_hw_softc);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
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static device_method_t ehci_fdt_methods[] = {
|
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/* Device interface */
|
||||
DEVMETHOD(device_probe, ehci_fdt_probe),
|
||||
DEVMETHOD(device_attach, ehci_fdt_attach),
|
||||
DEVMETHOD(device_detach, ehci_fdt_detach),
|
||||
DEVMETHOD(device_suspend, bus_generic_suspend),
|
||||
DEVMETHOD(device_resume, bus_generic_resume),
|
||||
DEVMETHOD(device_shutdown, bus_generic_shutdown),
|
||||
|
||||
DEVMETHOD_END
|
||||
};
|
||||
|
||||
static driver_t ehci_fdt_driver = {
|
||||
.name = "ehci",
|
||||
.methods = ehci_fdt_methods,
|
||||
.size = sizeof(ehci_softc_t),
|
||||
};
|
||||
|
||||
static devclass_t ehci_fdt_devclass;
|
||||
|
||||
DRIVER_MODULE(ehci, simplebus, ehci_fdt_driver, ehci_fdt_devclass, 0, 0);
|
||||
223
sys/mips/mediatek/mtk_ohci.c
Normal file
223
sys/mips/mediatek/mtk_ohci.c
Normal file
@ -0,0 +1,223 @@
|
||||
#include <sys/cdefs.h>
|
||||
__FBSDID("$FreeBSD$");
|
||||
|
||||
/*-
|
||||
* Copyright (c) 2015 Stanislav Galabov. All rights reserved.
|
||||
* Copyright (c) 2010,2011 Aleksandr Rybalko. All rights reserved.
|
||||
* Copyright (c) 2007-2008 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.
|
||||
*/
|
||||
|
||||
#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 <sys/unistd.h>
|
||||
#include <sys/callout.h>
|
||||
#include <sys/malloc.h>
|
||||
#include <sys/priv.h>
|
||||
#include <sys/rman.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/controller/ohci.h>
|
||||
|
||||
#include <dev/ofw/openfirm.h>
|
||||
#include <dev/ofw/ofw_bus.h>
|
||||
#include <dev/ofw/ofw_bus_subr.h>
|
||||
|
||||
#define OHCI_HC_DEVSTR "MTK USB Controller"
|
||||
|
||||
static device_probe_t ohci_fdt_probe;
|
||||
static device_attach_t ohci_fdt_attach;
|
||||
static device_detach_t ohci_fdt_detach;
|
||||
|
||||
static int
|
||||
ohci_fdt_probe(device_t self)
|
||||
{
|
||||
|
||||
if (!ofw_bus_status_okay(self))
|
||||
return (ENXIO);
|
||||
|
||||
if (!ofw_bus_is_compatible(self, "ralink,rt3xxx-ohci"))
|
||||
return (ENXIO);
|
||||
|
||||
device_set_desc(self, OHCI_HC_DEVSTR);
|
||||
|
||||
return (BUS_PROBE_DEFAULT);
|
||||
}
|
||||
|
||||
static int
|
||||
ohci_fdt_attach(device_t self)
|
||||
{
|
||||
ohci_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 = OHCI_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), &ohci_iterate_hw_softc)) {
|
||||
printf("No mem\n");
|
||||
return (ENOMEM);
|
||||
}
|
||||
|
||||
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);
|
||||
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);
|
||||
device_set_desc(sc->sc_bus.bdev, OHCI_HC_DEVSTR);
|
||||
|
||||
sprintf(sc->sc_vendor, "MediaTek");
|
||||
|
||||
err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
|
||||
NULL, (driver_intr_t *)ohci_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;
|
||||
}
|
||||
|
||||
err = ohci_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:
|
||||
ohci_fdt_detach(self);
|
||||
return (ENXIO);
|
||||
}
|
||||
|
||||
static int
|
||||
ohci_fdt_detach(device_t self)
|
||||
{
|
||||
ohci_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_children(self);
|
||||
|
||||
if (sc->sc_irq_res && sc->sc_intr_hdl) {
|
||||
/*
|
||||
* only call ohci_detach() after ohci_init()
|
||||
*/
|
||||
ohci_detach(sc);
|
||||
|
||||
err = bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl);
|
||||
if (err)
|
||||
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, 0,
|
||||
sc->sc_io_res);
|
||||
sc->sc_io_res = NULL;
|
||||
}
|
||||
usb_bus_mem_free_all(&sc->sc_bus, &ohci_iterate_hw_softc);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static device_method_t ohci_fdt_methods[] = {
|
||||
/* Device interface */
|
||||
DEVMETHOD(device_probe, ohci_fdt_probe),
|
||||
DEVMETHOD(device_attach, ohci_fdt_attach),
|
||||
DEVMETHOD(device_detach, ohci_fdt_detach),
|
||||
DEVMETHOD(device_suspend, bus_generic_suspend),
|
||||
DEVMETHOD(device_resume, bus_generic_resume),
|
||||
DEVMETHOD(device_shutdown, bus_generic_shutdown),
|
||||
|
||||
DEVMETHOD_END
|
||||
};
|
||||
|
||||
static driver_t ohci_fdt_driver = {
|
||||
.name = "ohci",
|
||||
.methods = ohci_fdt_methods,
|
||||
.size = sizeof(ohci_softc_t),
|
||||
};
|
||||
|
||||
static devclass_t ohci_fdt_devclass;
|
||||
|
||||
DRIVER_MODULE(ohci, simplebus, ohci_fdt_driver, ohci_fdt_devclass, 0, 0);
|
||||
314
sys/mips/mediatek/mtk_usb_phy.c
Normal file
314
sys/mips/mediatek/mtk_usb_phy.c
Normal file
@ -0,0 +1,314 @@
|
||||
/*-
|
||||
* Copyright (c) 2016 Stanislav Galabov.
|
||||
* 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 ``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 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("$FreeBSD$");
|
||||
|
||||
#include <sys/stddef.h>
|
||||
#include <sys/param.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/kernel.h>
|
||||
#include <sys/bus.h>
|
||||
#include <sys/module.h>
|
||||
|
||||
#include <machine/bus.h>
|
||||
|
||||
#include <dev/fdt/fdt_common.h>
|
||||
#include <dev/fdt/fdt_clock.h>
|
||||
#include <mips/mediatek/fdt_reset.h>
|
||||
#include <dev/ofw/ofw_bus.h>
|
||||
#include <dev/ofw/ofw_bus_subr.h>
|
||||
|
||||
#include <mips/mediatek/mtk_sysctl.h>
|
||||
#include <mips/mediatek/mtk_soc.h>
|
||||
#include <mips/mediatek/mtk_usb_phy.h>
|
||||
|
||||
#define RESET_ASSERT_DELAY 1000
|
||||
#define RESET_DEASSERT_DELAY 10000
|
||||
|
||||
struct mtk_usb_phy_softc {
|
||||
device_t dev;
|
||||
struct resource * res;
|
||||
uint32_t fm_base;
|
||||
uint32_t u2_base;
|
||||
uint32_t sr_coef;
|
||||
uint32_t socid;
|
||||
};
|
||||
|
||||
#define USB_PHY_READ(_sc, _off) bus_read_4((_sc)->res, (_off))
|
||||
#define USB_PHY_WRITE(_sc, _off, _val) bus_write_4((_sc)->res, (_off), (_val))
|
||||
#define USB_PHY_CLR_SET(_sc, _off, _clr, _set) \
|
||||
USB_PHY_WRITE(_sc, _off, ((USB_PHY_READ(_sc, _off) & ~(_clr)) | (_set)))
|
||||
|
||||
#define USB_PHY_READ_U2(_sc, _off) \
|
||||
USB_PHY_READ((_sc), ((_sc)->u2_base + (_off)))
|
||||
#define USB_PHY_WRITE_U2(_sc, _off, _val) \
|
||||
USB_PHY_WRITE((_sc), ((_sc)->u2_base + (_off)), (_val))
|
||||
#define USB_PHY_CLR_SET_U2(_sc, _off, _clr, _set) \
|
||||
USB_PHY_WRITE_U2((_sc), (_off), ((USB_PHY_READ_U2((_sc), (_off)) & \
|
||||
~(_clr)) | (_set)))
|
||||
#define USB_PHY_BARRIER(_sc) bus_barrier((_sc)->res, 0, 0, \
|
||||
BUS_SPACE_BARRIER_WRITE | BUS_SPACE_BARRIER_READ)
|
||||
|
||||
#define USB_PHY_READ_FM(_sc, _off) \
|
||||
USB_PHY_READ((_sc), ((_sc)->fm_base + (_off)))
|
||||
#define USB_PHY_WRITE_FM(_sc, _off) \
|
||||
USB_PHY_WRITE((_sc), ((_sc)->fm_base + (_off)), (_val))
|
||||
#define USB_PHY_CLR_SET_FM(_sc, _off, _clr, _set) \
|
||||
USB_PHY_WRITE_U2((_sc), (_off), ((USB_PHY_READ_U2((_sc), (_off)) & \
|
||||
~(_clr)) | (_set)))
|
||||
|
||||
static void mtk_usb_phy_mt7621_init(device_t);
|
||||
static void mtk_usb_phy_mt7628_init(device_t);
|
||||
|
||||
static struct ofw_compat_data compat_data[] = {
|
||||
{ "ralink,mt7620a-usbphy", MTK_SOC_MT7620A },
|
||||
{ "ralink,mt7628an-usbphy", MTK_SOC_MT7628 },
|
||||
{ "ralink,rt3xxx-usbphy", MTK_SOC_RT3352 },
|
||||
{ NULL, MTK_SOC_UNKNOWN }
|
||||
};
|
||||
|
||||
static int
|
||||
mtk_usb_phy_probe(device_t dev)
|
||||
{
|
||||
struct mtk_usb_phy_softc *sc = device_get_softc(dev);
|
||||
|
||||
if (!ofw_bus_status_okay(dev))
|
||||
return (ENXIO);
|
||||
if ((sc->socid =
|
||||
ofw_bus_search_compatible(dev, compat_data)->ocd_data) ==
|
||||
MTK_SOC_UNKNOWN)
|
||||
return (ENXIO);
|
||||
|
||||
device_set_desc(dev, "MTK USB PHY");
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
mtk_usb_phy_attach(device_t dev)
|
||||
{
|
||||
struct mtk_usb_phy_softc * sc = device_get_softc(dev);
|
||||
phandle_t node;
|
||||
uint32_t val;
|
||||
int rid;
|
||||
|
||||
sc->dev = dev;
|
||||
|
||||
/* Get our FDT node and SoC id */
|
||||
node = ofw_bus_get_node(dev);
|
||||
|
||||
/* Now let's see about setting USB to host or device mode */
|
||||
/* XXX: is it the same for all SoCs? */
|
||||
val = mtk_sysctl_get(SYSCTL_SYSCFG1);
|
||||
if (OF_hasprop(node, "mtk,usb-device"))
|
||||
val &= ~SYSCFG1_USB_HOST_MODE;
|
||||
else
|
||||
val |= SYSCFG1_USB_HOST_MODE;
|
||||
mtk_sysctl_set(SYSCTL_SYSCFG1, val);
|
||||
|
||||
/* If we have clocks defined - enable them */
|
||||
if (OF_hasprop(node, "clocks"))
|
||||
fdt_clock_enable_all(dev);
|
||||
|
||||
/* If we have resets defined - perform a reset sequence */
|
||||
if (OF_hasprop(node, "resets")) {
|
||||
fdt_reset_assert_all(dev);
|
||||
DELAY(RESET_ASSERT_DELAY);
|
||||
fdt_reset_deassert_all(dev);
|
||||
DELAY(RESET_DEASSERT_DELAY);
|
||||
}
|
||||
|
||||
/* Careful, some devices actually require resources */
|
||||
if (OF_hasprop(node, "reg")) {
|
||||
rid = 0;
|
||||
sc->res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
|
||||
RF_ACTIVE);
|
||||
if (sc->res == NULL) {
|
||||
device_printf(dev, "could not map memory\n");
|
||||
return (ENXIO);
|
||||
}
|
||||
} else {
|
||||
sc->res = NULL;
|
||||
}
|
||||
|
||||
/* Some SoCs require specific USB PHY init... handle these */
|
||||
switch (sc->socid) {
|
||||
case MTK_SOC_MT7628: /* Fallthrough */
|
||||
case MTK_SOC_MT7688:
|
||||
if (sc->res == NULL)
|
||||
return (ENXIO);
|
||||
sc->fm_base = MT7628_FM_FEG_BASE;
|
||||
sc->u2_base = MT7628_U2_BASE;
|
||||
sc->sr_coef = MT7628_SR_COEF;
|
||||
mtk_usb_phy_mt7628_init(dev);
|
||||
break;
|
||||
case MTK_SOC_MT7621:
|
||||
if (sc->res == NULL)
|
||||
return (ENXIO);
|
||||
sc->fm_base = MT7621_FM_FEG_BASE;
|
||||
sc->u2_base = MT7621_U2_BASE;
|
||||
sc->sr_coef = MT7621_SR_COEF;
|
||||
mtk_usb_phy_mt7621_init(dev);
|
||||
break;
|
||||
}
|
||||
|
||||
/* We no longer need the resources, release them */
|
||||
if (sc->res != NULL)
|
||||
bus_release_resource(dev, SYS_RES_MEMORY, 0, sc->res);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
mtk_usb_phy_detach(device_t dev)
|
||||
{
|
||||
struct mtk_usb_phy_softc *sc = device_get_softc(dev);
|
||||
phandle_t node;
|
||||
|
||||
/* Get our FDT node */
|
||||
node = ofw_bus_get_node(dev);
|
||||
|
||||
/* If we have resets defined - assert them */
|
||||
if (OF_hasprop(node, "resets"))
|
||||
fdt_reset_assert_all(dev);
|
||||
|
||||
/* If we have clocks defined - disable them */
|
||||
if (OF_hasprop(node, "clocks"))
|
||||
fdt_clock_disable_all(dev);
|
||||
|
||||
/* Finally, release resources, if any were allocated */
|
||||
if (sc->res != NULL)
|
||||
bus_release_resource(dev, SYS_RES_MEMORY, 0, sc->res);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static void
|
||||
mtk_usb_phy_slew_rate_calibration(struct mtk_usb_phy_softc *sc)
|
||||
{
|
||||
uint32_t val;
|
||||
int i;
|
||||
|
||||
USB_PHY_CLR_SET_U2(sc, U2_PHY_ACR0, 0, SRCAL_EN);
|
||||
USB_PHY_BARRIER(sc);
|
||||
DELAY(1000);
|
||||
|
||||
USB_PHY_CLR_SET_FM(sc, U2_PHY_FMMONR1, 0, FRCK_EN);
|
||||
USB_PHY_BARRIER(sc);
|
||||
USB_PHY_CLR_SET_FM(sc, U2_PHY_FMCR0, CYCLECNT, 0x400);
|
||||
USB_PHY_BARRIER(sc);
|
||||
USB_PHY_CLR_SET_FM(sc, U2_PHY_FMCR0, 0, FDET_EN);
|
||||
USB_PHY_BARRIER(sc);
|
||||
|
||||
for (i = 0; i < 1000; i++) {
|
||||
if ((val = USB_PHY_READ_FM(sc, U2_PHY_FMMONR0)) != 0) {
|
||||
device_printf(sc->dev, "DONE with FDET\n");
|
||||
break;
|
||||
}
|
||||
DELAY(10000);
|
||||
}
|
||||
device_printf(sc->dev, "After FDET\n");
|
||||
|
||||
USB_PHY_CLR_SET_FM(sc, U2_PHY_FMCR0, FDET_EN, 0);
|
||||
USB_PHY_BARRIER(sc);
|
||||
USB_PHY_CLR_SET_FM(sc, U2_PHY_FMMONR1, FRCK_EN, 0);
|
||||
USB_PHY_BARRIER(sc);
|
||||
USB_PHY_CLR_SET_U2(sc, U2_PHY_ACR0, SRCAL_EN, 0);
|
||||
USB_PHY_BARRIER(sc);
|
||||
DELAY(1000);
|
||||
|
||||
if (val == 0) {
|
||||
USB_PHY_CLR_SET_U2(sc, U2_PHY_ACR0, SRCTRL, 0x4 << SRCTRL_OFF);
|
||||
USB_PHY_BARRIER(sc);
|
||||
} else {
|
||||
val = ((((1024 * 25 * sc->sr_coef) / val) + 500) / 1000) &
|
||||
SRCTRL_MSK;
|
||||
USB_PHY_CLR_SET_U2(sc, U2_PHY_ACR0, SRCTRL, val << SRCTRL_OFF);
|
||||
USB_PHY_BARRIER(sc);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
mtk_usb_phy_mt7621_init(device_t dev)
|
||||
{
|
||||
struct mtk_usb_phy_softc *sc = device_get_softc(dev);
|
||||
|
||||
/* Slew rate calibration only, but for 2 ports */
|
||||
mtk_usb_phy_slew_rate_calibration(sc);
|
||||
|
||||
sc->u2_base = MT7621_U2_BASE_P1;
|
||||
mtk_usb_phy_slew_rate_calibration(sc);
|
||||
}
|
||||
|
||||
static void
|
||||
mtk_usb_phy_mt7628_init(device_t dev)
|
||||
{
|
||||
struct mtk_usb_phy_softc *sc = device_get_softc(dev);
|
||||
|
||||
/* XXX: possibly add barriers between the next writes? */
|
||||
USB_PHY_WRITE_U2(sc, U2_PHY_DCR0, 0x00ffff02);
|
||||
USB_PHY_BARRIER(sc);
|
||||
USB_PHY_WRITE_U2(sc, U2_PHY_DCR0, 0x00555502);
|
||||
USB_PHY_BARRIER(sc);
|
||||
USB_PHY_WRITE_U2(sc, U2_PHY_DCR0, 0x00aaaa02);
|
||||
USB_PHY_BARRIER(sc);
|
||||
USB_PHY_WRITE_U2(sc, U2_PHY_DCR0, 0x00000402);
|
||||
USB_PHY_BARRIER(sc);
|
||||
USB_PHY_WRITE_U2(sc, U2_PHY_AC0, 0x0048086a);
|
||||
USB_PHY_BARRIER(sc);
|
||||
USB_PHY_WRITE_U2(sc, U2_PHY_AC1, 0x4400001c);
|
||||
USB_PHY_BARRIER(sc);
|
||||
USB_PHY_WRITE_U2(sc, U2_PHY_ACR3, 0xc0200000);
|
||||
USB_PHY_BARRIER(sc);
|
||||
USB_PHY_WRITE_U2(sc, U2_PHY_DTM0, 0x02000000);
|
||||
USB_PHY_BARRIER(sc);
|
||||
|
||||
/* Slew rate calibration */
|
||||
//mtk_usb_phy_slew_rate_calibration(sc);
|
||||
}
|
||||
|
||||
static device_method_t mtk_usb_phy_methods[] = {
|
||||
/* Device interface */
|
||||
DEVMETHOD(device_probe, mtk_usb_phy_probe),
|
||||
DEVMETHOD(device_attach, mtk_usb_phy_attach),
|
||||
DEVMETHOD(device_detach, mtk_usb_phy_detach),
|
||||
DEVMETHOD(device_suspend, bus_generic_suspend),
|
||||
DEVMETHOD(device_resume, bus_generic_resume),
|
||||
DEVMETHOD(device_shutdown, bus_generic_shutdown),
|
||||
|
||||
DEVMETHOD_END
|
||||
};
|
||||
|
||||
static driver_t mtk_usb_phy_driver = {
|
||||
.name = "usbphy",
|
||||
.methods = mtk_usb_phy_methods,
|
||||
.size = sizeof(struct mtk_usb_phy_softc),
|
||||
};
|
||||
|
||||
static devclass_t mtk_usb_phy_devclass;
|
||||
|
||||
DRIVER_MODULE(usbphy, simplebus, mtk_usb_phy_driver, mtk_usb_phy_devclass, 0,
|
||||
0);
|
||||
66
sys/mips/mediatek/mtk_usb_phy.h
Normal file
66
sys/mips/mediatek/mtk_usb_phy.h
Normal file
@ -0,0 +1,66 @@
|
||||
/*-
|
||||
* Copyright (c) 2016 Stanislav Galabov.
|
||||
* 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.
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
#ifndef _MTK_USB_PHY_H_
|
||||
#define _MTK_USB_PHY_H_
|
||||
|
||||
#define MT7621_FM_FEG_BASE 0x0100
|
||||
#define MT7621_U2_BASE 0x0800
|
||||
#define MT7621_U2_BASE_P1 0x1000
|
||||
#define MT7621_SR_COEF 28
|
||||
|
||||
#define MT7628_FM_FEG_BASE 0x0f00
|
||||
#define MT7628_U2_BASE 0x0800
|
||||
#define MT7628_SR_COEF 32
|
||||
|
||||
#define U2_PHY_AC0 0x00
|
||||
#define U2_PHY_AC1 0x04
|
||||
#define U2_PHY_AC2 0x08
|
||||
#define U2_PHY_ACR0 0x10
|
||||
#define SRCAL_EN (1<<23)
|
||||
#define SRCTRL_MSK 0x7
|
||||
#define SRCTRL_OFF 16
|
||||
#define SRCTRL (SRCTRL_MSK<<SRCTRL_OFF)
|
||||
#define U2_PHY_ACR1 0x14
|
||||
#define U2_PHY_ACR2 0x18
|
||||
#define U2_PHY_ACR3 0x1C
|
||||
|
||||
#define U2_PHY_DCR0 0x60
|
||||
#define U2_PHY_DCR1 0x64
|
||||
#define U2_PHY_DTM0 0x68
|
||||
#define U2_PHY_DTM1 0x6C
|
||||
|
||||
#define U2_PHY_FMCR0 0x00
|
||||
#define CYCLECNT (0xffffff)
|
||||
#define FDET_EN (1<<24)
|
||||
#define U2_PHY_FMCR1 0x04
|
||||
#define FRCK_EN (1<<8)
|
||||
#define U2_PHY_FMCR2 0x08
|
||||
#define U2_PHY_FMMONR0 0x0C
|
||||
#define U2_PHY_FMMONR1 0x10
|
||||
|
||||
#endif /* _MTK_USB_PHY_H_ */
|
||||
Loading…
Reference in New Issue
Block a user