Ola Jeppsson

Updates

1

Headless tested and working. HDMI bitstream video tested & working (need different device tree). Sound not tested for HDMI design.

still not stable, lack of constraints might be the reason

Makes master/slave MODE=0 (CPOL=0 CPHA=0) (The master transmitted in CPHA=0 but sampled in CPHA=1, similarly the slave sampled in CPHA=0 but transmitted in CPHA=1) Works around XILINX issue w/ oh_fifo_sync...

With this all Linux kernel interrupt API types are now supported by the driver. Branch with full history here: https://github.com/parallella/parallella-linux/tree/oh-gpio ChangeLog: commit 084e854e045df6161228348f8b442ed90e57bb24 Author: Ola Jeppsson [email protected] Date: Sat May...

system_bd.tcl Vivado version upgrade gotcha

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In fpga/parallella/headless_e16_z70[12]0/system_bd.tcl: When upgrading Vivado, you must change the line with: ```tcl set scripts_vivado_version 2015.4 ``` to match the Vivado version. Even though this file is re-generated in the build,...

Transactions seem to work as long as the FIFO in mtx.v are never over-filled. Adding a long sleep on every 32rd (FIFO depth) access and the problem disappears.