Petalinux Development UiO Drive

1,uio drive is relatively simple, using the UiO of the kernel comes with

Note: a) the driver for the Pdrv type needs to be modified dts,compatible is determined by the OF_ID keyword when the uio_pdrv module is loaded. Question: What is the default value?

If the uio_pdrv is compiled into the kernel, use Bootargs:uio_pdrv_genirq.of_id=generic-uio; if it is manually loaded, you can modprobe UIO_PDRV_GENIRQ of_id= Generic-uio.

2, if the SD card is selected as the file system, the kernel KO may not be compiled, it may be a bug of Petalinux. You can use the Initramfs method to compile, extract the Ko file, and then use.

Petalinux Development UiO Drive