3.5.3. Guidelines on Imaging the Micro SD Card
General recommendations and resources for imaging the micro SD card:
- Use the Linux fdisk command to create, delete, or modify existing partitions on the GSRD SD card image. Use the Linux dd command to write file systems to the existing partitions on the GSRD SD card image.
Important: To use these commands, you must have extensive Linux knowledge and have sudo on your machine.
- Rocketboards.org provides a python script that generates a .bin file. You can write this .bin file to the micro SD card. Refer to the Creating and Updating the SD Card section of the Arria 10 GSRD v17.1 User Manual for more information.
- Intel® provides the alt-boot-disk-util SD card boot utility to create SD boot images. For more information, refer to the SD Card Boot Utility chapter of the Intel SoC FPGA Embedded Design Suite User Guide.
The different partitions in the micro SD card are related to each other. For example, if the OpenCL .rbf file is not programmed onto the FPGA, the driver will not load. In addition, the socfpga.rbf file will not program the board when you boot it up if the .rbf file name does not match the label in the bootloader library. Before modifying the SD card image, consider whether the modification is necessary for your design.
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