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usb: xlnx-usb-subsystem: Add xilinx usb subsystem

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This model is a top level integration wrapper for hcd-dwc3 and
versal-usb2-ctrl-regs modules, this is used by xilinx versal soc's and
future xilinx usb subsystems would also be part of it.

Signed-off-by: Sai Pavan Boddu <sai.pavan.boddu@xilinx.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1607023357-5096-4-git-send-email-sai.pavan.boddu@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Sai Pavan Boddu 2020-12-04 00:52:36 +05:30 committed by Peter Maydell
parent 8bbe61f3c1
commit e29c7db19d
4 changed files with 145 additions and 0 deletions
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5
hw/usb/Kconfig
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@ -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

1
hw/usb/meson.build
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@ -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'))

94
hw/usb/xlnx-usb-subsystem.c Normal file
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@ -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)

45
include/hw/usb/xlnx-usb-subsystem.h Normal file
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@ -0,0 +1,45 @@
/*
* QEMU model of the Xilinx usb subsystem
*
* Copyright (c) 2020 Xilinx Inc. Sai Pavan Boddu <sai.pavan.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.
*/
#ifndef _XLNX_VERSAL_USB_SUBSYSTEM_H_
#define _XLNX_VERSAL_USB_SUBSYSTEM_H_
#include "hw/usb/xlnx-versal-usb2-ctrl-regs.h"
#include "hw/usb/hcd-dwc3.h"
#define TYPE_XILINX_VERSAL_USB2 "xlnx.versal-usb2"
#define VERSAL_USB2(obj) \
OBJECT_CHECK(VersalUsb2, (obj), TYPE_XILINX_VERSAL_USB2)
typedef struct VersalUsb2 {
SysBusDevice parent_obj;
MemoryRegion dwc3_mr;
MemoryRegion usb2Ctrl_mr;
VersalUsb2CtrlRegs usb2Ctrl;
USBDWC3 dwc3;
} VersalUsb2;
#endif