This files in this directory and associated subdirectories bearing Analog Devices Inc.'s (ADI) copyright notice are available (albeit updated versions compared to these files) from Analog Devices' GitHub repository[1] containing HDL libraries for various reference designs. This repository contains a license file[2] that dictates the terms of use of the ADI IP. The `axi_dmac`, `util_axis_fifo`, and `util_axis_resize` modules are offered under either a GPLv2[3] or ADI-specific BSD[4] license. See, for example, the copyright notices in [5], [6], and [7]. [1] https://github.com/analogdevicesinc/hdl [2] https://github.com/analogdevicesinc/hdl/blob/master/LICENSE [3] https://github.com/analogdevicesinc/hdl/blob/master/LICENSE_GPL2 [4] https://github.com/analogdevicesinc/hdl/blob/master/LICENSE_ADIBSD [5] https://github.com/analogdevicesinc/hdl/blob/master/library/axi_dmac/axi_dmac.v [6] https://github.com/analogdevicesinc/hdl/blob/master/library/util_axis_fifo/util_axis_fifo.v [7] https://github.com/analogdevicesinc/hdl/blob/master/library/util_axis_resize/util_axis_resize.v