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FreeRTOS USB Host for Zynq 7000

Introduction

Zynq and Ultrascale MPSoCs from Xilinx are very rich and flexible in terms of peripherals, both SoCs are equipped with HS/FS USB host hardware blocks. While those are fully supported by the Petalinux, for reasons unknown there is still no software support for USB host functionality when it comes to baremetal or FreeRTOS. […]

MDIO over any GPIO in FreeRTOS

Introduction

Have you ever experienced limitations of the Zynq/Ultrascale MPSoCs from Xilinx when it comes to GEMs and MDIO interfaces? The thing is that only specific GPIO pins can be used for MDIO communication. As seen on the picture below, apart from EMIO (PL pins) only MIO 52 and 53 can be used to […]