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# SDT BSP
This section describes the SDT BSP settings which must be added to the generated
machine configuration file, following [Build Instructions](README.md) step 4, in
order to use the runqemu command.
## SDT BSP settings
The following board settings need to be added in sdt machine configuration file
to define which QEMU device trees should be used.
> **Variable usage examples:**
>
> QEMU Device tree deploy directory: `QEMU_HW_DTB_PATH = "${DEPLOY_DIR_IMAGE}/qemu-hw-devicetrees/multiarch"`
>
> QEMU PMU Device tree: `QEMU_HW_DTB_PMU = "${QEMU_HW_DTB_PATH}/zynqmp-pmu.dtb"`
>
> QEMU PS Device tree: `QEMU_HW_DTB_PS = "${QEMU_HW_DTB_PATH}/board-versal-ps-vck190.dtb"`
>
> QEMU PMC Board Device tree: `QEMU_HW_DTB_PMC = "${QEMU_HW_DTB_PATH}/board-versal-pmc-virt.dtb"`
>
> QEMU Memory: Some boards for example VEK280 and VH158 memory configurations are
> different, Hence we need to adjust the same in QB_MEM to match board dtsi files.
> Below are some examples.
> * ZynqMP `QB_MEM = "-m 4096"`
> * Versal VEK280 `QB_MEM = "-m 12G"`
| Devices | Evaluation Board | QEMU PMC or PMU DTB file | QEMU PS DTB file | QB Mem |
|---------|-------------------------------------------------------------------------------|-----------------------------|-------------------------------|--------|
| ZynqMP | [ZCU102](https://www.xilinx.com/products/boards-and-kits/ek-u1-zcu102-g.html) | `zynqmp-pmu.dtb` | `zcu102-arm.dtb` | 4096 |
| | [ZCU104](https://www.xilinx.com/products/boards-and-kits/zcu104.html) | `zynqmp-pmu.dtb` | `zcu102-arm.dtb` | 4096 |
| | [ZCU106](https://www.xilinx.com/products/boards-and-kits/zcu106.html) | `zynqmp-pmu.dtb` | `zcu102-arm.dtb` | 4096 |
| | [ZCU111](https://www.xilinx.com/products/boards-and-kits/zcu111.html) | `zynqmp-pmu.dtb` | `zcu102-arm.dtb` | 4096 |
| | [ZCU208](https://www.xilinx.com/products/boards-and-kits/zcu208.html) | `zynqmp-pmu.dtb` | `zcu102-arm.dtb` | 4096 |
| | [ZCU216](https://www.xilinx.com/products/boards-and-kits/zcu216.html) | `zynqmp-pmu.dtb` | `zcu102-arm.dtb` | 4096 |
| | [ZCU670](https://www.xilinx.com/products/boards-and-kits/zcu670.html) | `zynqmp-pmu.dtb` | `zcu102-arm.dtb` | 4096 |
| Versal | [VCK190](https://www.xilinx.com/products/boards-and-kits/vck190.html) | `board-versal-pmc-virt.dtb` | `board-versal-ps-vck190.dtb` | 8G |
| | [VMK180](https://www.xilinx.com/products/boards-and-kits/vmk180.html) | `board-versal-pmc-virt.dtb` | `board-versal-ps-vmk180.dtb` | 8G |
| | [VPK120](https://www.xilinx.com/products/boards-and-kits/vpk120.html) | `board-versal-pmc-virt.dtb` | `board-versal-ps-vpk120.dtb` | 8G |
| | [VPK180](https://www.xilinx.com/products/boards-and-kits/vpk180.html) | `board-versal-pmc-virt.dtb` | `board-versal-ps-vpk180.dtb` | 8G |
| | [VEK280](https://www.xilinx.com/products/boards-and-kits/vek280.html) | `board-versal-pmc-virt.dtb` | `board-versal-ps-vek280.dtb` | 12G |
| | [VHK158](https://www.xilinx.com/products/boards-and-kits/vhk158.html) | `board-versal-pmc-virt.dtb` | `board-versal-ps-vhk158.dtb` | 32G |
> **Note:** Additional information on Xilinx architectures can be found at:
https://www.xilinx.com/products/silicon-devices.html
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