hw/riscv: Initial support for BOSC's Xiangshan Kunminghu FPGA prototype

This implementation provides emulation for the Xiangshan Kunminghu
FPGA prototype platform, including support for UART, CLINT,

hw/riscv: Initial support for BOSC's Xiangshan Kunminghu FPGA prototype

This implementation provides emulation for the Xiangshan Kunminghu
FPGA prototype platform, including support for UART, CLINT, IMSIC,
and APLIC devices. More details can be found at
https://github.com/OpenXiangShan/XiangShan

Signed-off-by: qinshaoqing <qinshaoqing@bosc.ac.cn>
Signed-off-by: Yang Wang <wangyang@bosc.ac.cn>
Signed-off-by: Yu Hu <819258943@qq.com>
Signed-off-by: Ran Wang <wangran@bosc.ac.cn>
Signed-off-by: Borong Huang <3543977024@qq.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20250617074222.17618-1-wangran@bosc.ac.cn>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

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hw/riscv/riscv-iommu: Remove definition of RISCVIOMMU[Pci|Sys]Class

RISCVIOMMUPciClass and RISCVIOMMUSysClass are defined with missed
parent class, class_init on them may corrupt their parent class

hw/riscv/riscv-iommu: Remove definition of RISCVIOMMU[Pci|Sys]Class

RISCVIOMMUPciClass and RISCVIOMMUSysClass are defined with missed
parent class, class_init on them may corrupt their parent class
fields.

It's lucky that parent_realize and parent_phases are not initialized
or used until now, so just remove the definitions. They can be added
back when really necessary.

Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20250606092406.229833-6-zhenzhong.duan@intel.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>

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hw/riscv: Configurable MPFS CLINT timebase freq

This property enables the setting of the CLINT timebase frequency
through the command line, for example:

-machine microchip-icicle-kit,clint-timeba

hw/riscv: Configurable MPFS CLINT timebase freq

This property enables the setting of the CLINT timebase frequency
through the command line, for example:

-machine microchip-icicle-kit,clint-timebase-frequency=10000000

Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20250319061342.26435-6-sebastian.huber@embedded-brains.de>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

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hw/riscv/virt: Add the BDF of IOMMU to RISCVVirtState structure

When the IOMMU is implemented as a PCI device, its BDF is created
locally in virt.c. However, the same BDF is also required in
virt-ac

hw/riscv/virt: Add the BDF of IOMMU to RISCVVirtState structure

When the IOMMU is implemented as a PCI device, its BDF is created
locally in virt.c. However, the same BDF is also required in
virt-acpi-build.c to support ACPI. Therefore, make this information part
of the global RISCVVirtState structure so that it can be accessed
outside of virt.c as well.

Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20250322043139.2003479-2-sunilvl@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

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