diff options
Diffstat (limited to 'hw/usb')
| -rw-r--r-- | hw/usb/Kconfig | 5 | ||||
| -rw-r--r-- | hw/usb/meson.build | 1 | ||||
| -rw-r--r-- | hw/usb/xlnx-usb-subsystem.c | 94 |
3 files changed, 100 insertions, 0 deletions
diff --git a/hw/usb/Kconfig b/hw/usb/Kconfig index 56da78a4fa..40093d7ea6 100644 --- a/hw/usb/Kconfig +++ b/hw/usb/Kconfig @@ -117,3 +117,8 @@ config USB_DWC3 bool select USB_XHCI_SYSBUS select REGISTER + +config XLNX_USB_SUBSYS + bool + default y if XLNX_VERSAL + select USB_DWC3 diff --git a/hw/usb/meson.build b/hw/usb/meson.build index 433c27e833..f46c6b6655 100644 --- a/hw/usb/meson.build +++ b/hw/usb/meson.build @@ -32,6 +32,7 @@ softmmu_ss.add(when: 'CONFIG_TUSB6010', if_true: files('tusb6010.c')) softmmu_ss.add(when: 'CONFIG_IMX', if_true: files('chipidea.c')) softmmu_ss.add(when: 'CONFIG_IMX_USBPHY', if_true: files('imx-usb-phy.c')) specific_ss.add(when: 'CONFIG_XLNX_VERSAL', if_true: files('xlnx-versal-usb2-ctrl-regs.c')) +specific_ss.add(when: 'CONFIG_XLNX_USB_SUBSYS', if_true: files('xlnx-usb-subsystem.c')) # emulated usb devices softmmu_ss.add(when: 'CONFIG_USB', if_true: files('dev-hub.c')) diff --git a/hw/usb/xlnx-usb-subsystem.c b/hw/usb/xlnx-usb-subsystem.c new file mode 100644 index 0000000000..568257370c --- /dev/null +++ b/hw/usb/xlnx-usb-subsystem.c @@ -0,0 +1,94 @@ +/* + * QEMU model of the Xilinx usb subsystem + * + * Copyright (c) 2020 Xilinx Inc. Sai Pavan Boddu <sai.pava.boddu@xilinx.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "qemu/osdep.h" +#include "hw/sysbus.h" +#include "hw/irq.h" +#include "hw/register.h" +#include "qemu/bitops.h" +#include "qemu/log.h" +#include "qom/object.h" +#include "qapi/error.h" +#include "hw/qdev-properties.h" +#include "hw/usb/xlnx-usb-subsystem.h" + +static void versal_usb2_realize(DeviceState *dev, Error **errp) +{ + VersalUsb2 *s = VERSAL_USB2(dev); + SysBusDevice *sbd = SYS_BUS_DEVICE(dev); + Error *err = NULL; + + sysbus_realize(SYS_BUS_DEVICE(&s->dwc3), &err); + if (err) { + error_propagate(errp, err); + return; + } + sysbus_realize(SYS_BUS_DEVICE(&s->usb2Ctrl), &err); + if (err) { + error_propagate(errp, err); + return; + } + sysbus_init_mmio(sbd, &s->dwc3_mr); + sysbus_init_mmio(sbd, &s->usb2Ctrl_mr); + qdev_pass_gpios(DEVICE(&s->dwc3.sysbus_xhci), dev, SYSBUS_DEVICE_GPIO_IRQ); +} + +static void versal_usb2_init(Object *obj) +{ + VersalUsb2 *s = VERSAL_USB2(obj); + + object_initialize_child(obj, "versal.dwc3", &s->dwc3, + TYPE_USB_DWC3); + object_initialize_child(obj, "versal.usb2-ctrl", &s->usb2Ctrl, + TYPE_XILINX_VERSAL_USB2_CTRL_REGS); + memory_region_init_alias(&s->dwc3_mr, obj, "versal.dwc3_alias", + &s->dwc3.iomem, 0, DWC3_SIZE); + memory_region_init_alias(&s->usb2Ctrl_mr, obj, "versal.usb2Ctrl_alias", + &s->usb2Ctrl.iomem, 0, USB2_REGS_R_MAX * 4); + qdev_alias_all_properties(DEVICE(&s->dwc3), obj); + qdev_alias_all_properties(DEVICE(&s->dwc3.sysbus_xhci), obj); + object_property_add_alias(obj, "dma", OBJECT(&s->dwc3.sysbus_xhci), "dma"); +} + +static void versal_usb2_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->realize = versal_usb2_realize; +} + +static const TypeInfo versal_usb2_info = { + .name = TYPE_XILINX_VERSAL_USB2, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(VersalUsb2), + .class_init = versal_usb2_class_init, + .instance_init = versal_usb2_init, +}; + +static void versal_usb_types(void) +{ + type_register_static(&versal_usb2_info); +} + +type_init(versal_usb_types) |