2.5.1. Enabling Backwards Compatibility for an FPGA Board
For example, you can use Version 20.2 OpenCL BSP with Intel® FPGA SDK for OpenCL™ Version 22.4 and Intel® Acceleration Stack Version 2.0.1 and Version 1.2.1.
After you have installed and configured the required version or versions of Intel® Quartus® Prime Pro Edition, you enable your backwards compatible boards by setting the QUARTUS_ROOTDIR_OVERRIDE environment variable and running the aocl install command so that your Intel® Quartus® Prime Pro Edition version matches your OpenCL BSP version number.
Before you set the QUARTUS_ROOTDIR_OVERRIDE environment variable and run the aocl install command, install and configure the version of Intel® Quartus® Prime Pro Edition that your OpenCL BSP needs.
Also, install your FPGA board or boards following the instructions in Installing an FPGA Board.
To enable a board with a backwards compatible OpenCL BSP:
- Set the QUARTUS_ROOTDIR_OVERRIDE to point to the version of Intel® Quartus® Prime Pro Edition that your OpenCL BSP needs.
For example, if you have Version 20.2 OpenCL BSP, QUARTUS_ROOTDIR_OVERRIDE must point at Intel® Quartus® Prime Pro Edition Version 20.2:
- Run the aocl install <path_to_customplatform> command with the path to your backward compatible OpenCL BSP as the value for <path_to_customplatform>.
For example, to point to a Version 20.2 OpenCL BSP for the Intel® Arria® 10 GX FPGA Development Kit Reference Platform, install the board with the following command:
aocl install <YOUR_PATH_TO_V20.2_OpenCL_BSP>\a10_ref
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