[rtems-libbsd commit] dwc_otg: Port to RTEMS
Sebastian Huber
sebh at rtems.org
Thu Nov 12 12:10:28 UTC 2015
Module: rtems-libbsd
Branch: master
Commit: ba446132d4e9efbc1ffd7f4dc4fbfde7f531b740
Changeset: http://git.rtems.org/rtems-libbsd/commit/?id=ba446132d4e9efbc1ffd7f4dc4fbfde7f531b740
Author: Sebastian Huber <sebastian.huber at embedded-brains.de>
Date: Thu Nov 12 13:01:32 2015 +0100
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(+)
diff --git a/libbsd.py b/libbsd.py
index 9744362..1eafc85 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 6ccf726..561f9aa 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 0000000..0c49806
--- /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 <machine/rtems-bsd-kernel-space.h>
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <rtems/bsd/sys/param.h>
+#include <sys/systm.h>
+#include <sys/bus.h>
+#include <sys/condvar.h>
+#include <sys/kernel.h>
+#include <rtems/bsd/sys/lock.h>
+#include <sys/malloc.h>
+#include <sys/module.h>
+#include <sys/mutex.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/dwc_otg.h>
+
+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 99acad5..ecb360e 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',
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