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usb: Add versal-usb2-ctrl-regs module

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This module emulates control registers of versal usb2 controller, this is added
just to make guest happy. In general this module would control the phy-reset
signal from usb controller, data coherency of the transactions, signals
the host system errors received from controller.

Signed-off-by: Sai Pavan Boddu <sai.pavan.boddu@xilinx.com>
Signed-off-by: Vikram Garhwal <fnu.vikram@xilinx.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1607023357-5096-2-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 00:52:34 +05:30 • committed by Peter Maydell
parent 311ca11e38
commit 50e76a73de
3 changed files with 275 additions and 0 deletions
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45
include/hw/usb/xlnx-versal-usb2-ctrl-regs.h Normal file
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/*
* QEMU model of the VersalUsb2CtrlRegs Register control/Status block for
* USB2.0 controller
*
* Copyright (c) 2020 Xilinx Inc. Vikram Garhwal <fnu.vikram@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_USB2_REGS_H_
#define _XLNX_USB2_REGS_H_
#define TYPE_XILINX_VERSAL_USB2_CTRL_REGS "xlnx.versal-usb2-ctrl-regs"
#define XILINX_VERSAL_USB2_CTRL_REGS(obj) \
OBJECT_CHECK(VersalUsb2CtrlRegs, (obj), TYPE_XILINX_VERSAL_USB2_CTRL_REGS)
#define USB2_REGS_R_MAX ((0x78 / 4) + 1)
typedef struct VersalUsb2CtrlRegs {
SysBusDevice parent_obj;
MemoryRegion iomem;
qemu_irq irq_ir;
uint32_t regs[USB2_REGS_R_MAX];
RegisterInfo regs_info[USB2_REGS_R_MAX];
} VersalUsb2CtrlRegs;
#endif