HW/IP Features

• Compliant with the USB 2.0 Specification
• Supports High Speed, Full Speed and Low speed
  

Features supported by driver

• All the HW/IP features are supported by the driver
  

Devicetree

       axi-usb2-device@42e00000 {
            compatible = "xlnx,usb2-device-4.00.a";
            interrupt-parent = <&ps7_scugic_0>;
            interrupts = <0 0x39 0x1>;
            xlnx,include-dma;
            reg = <0x42e00000 0x1000>;
       }

Performance

Test Procedure

1. compile the kernel and modules. Copy kernel Image and compiled modules to SD card.
2. Copy following to SD card: BOOT.bin which has PL bitstream with AXI USB device IP, FSBL and U-Boot. dtb, uramdisk.img (All are provided in the attachment).
3. Boot ZC702 with SD card.

4. Follow these steps on the board after linux boots :

   dd if=/dev/zero of=/tmp/mydev count=5 bs=1M
   insmod xilinx_udc.ko
   insmod configfs.ko //NOTE: configfs.ko is generated under fs/configfs/ in linux source
   insmod libcomposite.ko
   insmod usb_f_mass_storage.ko
   insmod g_mass_storage.ko file=/tmp/mydev removable=1

1. Connect the usb cable to host PC(windows/linux). Host shows the gadget as a mass storage device with 5MB capacity.

Mainline Status