From ba446132d4e9efbc1ffd7f4dc4fbfde7f531b740 Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Thu, 12 Nov 2015 13:01:32 +0100 Subject: dwc_otg: Port to RTEMS --- libbsd.py | 4 + rtemsbsd/include/bsp/nexus-devices.h | 19 +++ rtemsbsd/sys/dev/usb/controller/dwc_otg_nexus.c | 156 ++++++++++++++++++++++++ wscript | 2 + 4 files changed, 181 insertions(+) create mode 100644 rtemsbsd/sys/dev/usb/controller/dwc_otg_nexus.c diff --git a/libbsd.py b/libbsd.py index 97443621..1eafc85e 100755 --- a/libbsd.py +++ b/libbsd.py @@ -118,6 +118,7 @@ def rtems(mm): 'pppd/utils.c', 'sys/dev/usb/controller/ehci_mpc83xx.c', 'sys/dev/usb/controller/ohci_lpc.c', + 'sys/dev/usb/controller/dwc_otg_nexus.c', 'sys/dev/usb/controller/usb_otg_transceiver.c', 'sys/dev/usb/controller/usb_otg_transceiver_dump.c', 'sys/dev/smc/if_smc_nexus.c', @@ -472,6 +473,8 @@ def dev_usb_controller(mm): 'sys/dev/usb/controller/ehcireg.h', 'sys/dev/usb/controller/uhcireg.h', 'sys/dev/usb/controller/xhcireg.h', + 'sys/dev/usb/controller/dwc_otg.h', + 'sys/dev/usb/controller/dwc_otgreg.h', ] ) mod.addKernelSpaceSourceFiles( @@ -479,6 +482,7 @@ def dev_usb_controller(mm): 'sys/dev/usb/controller/ohci.c', 'sys/dev/usb/controller/ehci.c', 'sys/dev/usb/controller/usb_controller.c', + 'sys/dev/usb/controller/dwc_otg.c', ], mm.generator['source']() ) diff --git a/rtemsbsd/include/bsp/nexus-devices.h b/rtemsbsd/include/bsp/nexus-devices.h index 6ccf7260..561f9aa3 100644 --- a/rtemsbsd/include/bsp/nexus-devices.h +++ b/rtemsbsd/include/bsp/nexus-devices.h @@ -115,6 +115,25 @@ RTEMS_BSD_DEFINE_NEXUS_DEVICE(dw_mmc, 0, 0, NULL); SYSINIT_DRIVER_REFERENCE(mmc, dw_mmc); SYSINIT_DRIVER_REFERENCE(mmcsd, mmc); +static const rtems_bsd_device_resource dwcotg0_res[] = { + { + .type = RTEMS_BSD_RES_MEMORY, + .start_request = 0, + .start_actual = (unsigned long)ALT_USB1_ADDR + }, { + .type = RTEMS_BSD_RES_IRQ, + .start_request = 0, + .start_actual = ALT_INT_INTERRUPT_USB1_IRQ + } +}; + +RTEMS_BSD_DEFINE_NEXUS_DEVICE(dwcotg, 0, RTEMS_ARRAY_SIZE(dwcotg0_res), + &dwcotg0_res[0]); + +SYSINIT_REFERENCE(usb_quirk_init); +SYSINIT_DRIVER_REFERENCE(uhub, usbus); +SYSINIT_DRIVER_REFERENCE(umass, uhub); + #elif defined(LIBBSP_I386_PC386_BSP_H) RTEMS_BSD_DEFINE_NEXUS_DEVICE(legacy, 0, 0, NULL); diff --git a/rtemsbsd/sys/dev/usb/controller/dwc_otg_nexus.c b/rtemsbsd/sys/dev/usb/controller/dwc_otg_nexus.c new file mode 100644 index 00000000..0c49806b --- /dev/null +++ b/rtemsbsd/sys/dev/usb/controller/dwc_otg_nexus.c @@ -0,0 +1,156 @@ +/*- + * Copyright (c) 2012 Hans Petter Selasky. + * Copyright (c) 2015 embedded brains GmbH. + * 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 + +#include +__FBSDID("$FreeBSD$"); + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include +#include +#include +#include + +#include +#include + +#include + +static device_probe_t dwc_otg_probe; +static device_detach_t dwc_otg_detach; + +static int +dwc_otg_probe(device_t dev) +{ + + device_set_desc(dev, "DWC OTG 2.0 integrated USB controller"); + + return (BUS_PROBE_DEFAULT); +} + +int +dwc_otg_attach(device_t dev) +{ + struct dwc_otg_softc *sc = device_get_softc(dev); + char usb_mode[24]; + int err; + int rid; + + /* initialise some bus fields */ + sc->sc_bus.parent = dev; + sc->sc_bus.devices = sc->sc_devices; + sc->sc_bus.devices_max = DWC_OTG_MAX_DEVICES; + sc->sc_bus.dma_bits = 32; + + /* force USB host mode */ + sc->sc_mode = DWC_MODE_HOST; + + /* get all DMA memory */ + if (usb_bus_mem_alloc_all(&sc->sc_bus, + USB_GET_DMA_TAG(dev), NULL)) { + return (ENOMEM); + } + rid = 0; + sc->sc_io_res = + bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); + + if (!(sc->sc_io_res)) { + err = ENOMEM; + 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(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); + if (sc->sc_irq_res == NULL) + goto error; + + sc->sc_bus.bdev = device_add_child(dev, "usbus", -1); + if (sc->sc_bus.bdev == NULL) + goto error; + + device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus); + + err = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_TTY | INTR_MPSAFE, + &dwc_otg_filter_interrupt, &dwc_otg_interrupt, sc, &sc->sc_intr_hdl); + if (err) { + sc->sc_intr_hdl = NULL; + goto error; + } + err = dwc_otg_init(sc); + if (err == 0) { + err = device_probe_and_attach(sc->sc_bus.bdev); + } + if (err) + goto error; + + + return (0); + +error: + return (ENXIO); +} + + +static device_method_t dwc_otg_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, dwc_otg_probe), + DEVMETHOD(device_attach, dwc_otg_attach), + DEVMETHOD(device_suspend, bus_generic_suspend), + DEVMETHOD(device_resume, bus_generic_resume), + DEVMETHOD(device_shutdown, bus_generic_shutdown), + + DEVMETHOD_END +}; + +driver_t dwc_otg_driver = { + .name = "dwcotg", + .methods = dwc_otg_methods, + .size = sizeof(struct dwc_otg_softc), +}; + +static devclass_t dwc_otg_devclass; + +DRIVER_MODULE(dwcotg, nexus, dwc_otg_driver, dwc_otg_devclass, 0, 0); +MODULE_DEPEND(dwcotg, usb, 1, 1, 1); diff --git a/wscript b/wscript index 99acad5a..ecb360ed 100644 --- a/wscript +++ b/wscript @@ -713,6 +713,7 @@ def build(bld): 'freebsd/sys/dev/sdhci/sdhci.c', 'freebsd/sys/dev/smc/if_smc.c', 'freebsd/sys/dev/tsec/if_tsec.c', + 'freebsd/sys/dev/usb/controller/dwc_otg.c', 'freebsd/sys/dev/usb/controller/ehci.c', 'freebsd/sys/dev/usb/controller/ohci.c', 'freebsd/sys/dev/usb/controller/usb_controller.c', @@ -1045,6 +1046,7 @@ def build(bld): 'rtemsbsd/sys/dev/ffec/if_ffec_mcf548x.c', 'rtemsbsd/sys/dev/smc/if_smc_nexus.c', 'rtemsbsd/sys/dev/tsec/if_tsec_nexus.c', + 'rtemsbsd/sys/dev/usb/controller/dwc_otg_nexus.c', 'rtemsbsd/sys/dev/usb/controller/ehci_mpc83xx.c', 'rtemsbsd/sys/dev/usb/controller/ohci_lpc.c', 'rtemsbsd/sys/dev/usb/controller/usb_otg_transceiver.c', -- cgit v1.2.3