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>
46 lines
1.7 KiB
C
46 lines
1.7 KiB
C
/*
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* QEMU model of the VersalUsb2CtrlRegs Register control/Status block for
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* USB2.0 controller
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*
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* Copyright (c) 2020 Xilinx Inc. Vikram Garhwal <fnu.vikram@xilinx.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef _XLNX_USB2_REGS_H_
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#define _XLNX_USB2_REGS_H_
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#define TYPE_XILINX_VERSAL_USB2_CTRL_REGS "xlnx.versal-usb2-ctrl-regs"
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#define XILINX_VERSAL_USB2_CTRL_REGS(obj) \
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OBJECT_CHECK(VersalUsb2CtrlRegs, (obj), TYPE_XILINX_VERSAL_USB2_CTRL_REGS)
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#define USB2_REGS_R_MAX ((0x78 / 4) + 1)
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typedef struct VersalUsb2CtrlRegs {
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SysBusDevice parent_obj;
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MemoryRegion iomem;
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qemu_irq irq_ir;
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uint32_t regs[USB2_REGS_R_MAX];
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RegisterInfo regs_info[USB2_REGS_R_MAX];
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} VersalUsb2CtrlRegs;
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#endif
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