sync, and alternate tmds_encoders

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diff --git a/fpga/ebaz4205/ebaz4205_fpga/.gitignore b/fpga/ebaz4205/ebaz4205_fpga/.gitignore
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--- a/fpga/ebaz4205/ebaz4205_fpga/.gitignore
+++ b/fpga/ebaz4205/ebaz4205_fpga/.gitignore
@@ -1,2 +1,4 @@
 build/
 hdlmake/
+LICENSE
+NOT/
diff --git a/fpga/ebaz4205/ebaz4205_fpga/README.md b/fpga/ebaz4205/ebaz4205_fpga/README.md
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+# ebaz4205_fpga
+
+The EBAZ4205 was originally developed as cryptomining control board.
+Due to it's low price on the marked it is also perfect to learn
+the Zynq platform. This repo provides a minimal FPGA Design.
+
+## Maintainer
+
+	Lukas Lichtl (admin@embed-me.com)
+
+## Hardware Support
+
+There seem to be two hardware versions currently sold, one with a
+PHY oscillator mounted and one where it is missing.
+This design current supports both versions.
+
+## Dependencies
+
+The configuration/makefile generation depends on:
+
+* [hdlmake](https://hdlmake.readthedocs.io/en/master/)
+
+The build depends on:
+
+* [Xilinx Vivado](https://www.xilinx.com/products/design-tools/vivado.html)
+
+## Configure
+
+In order to generate the Makefile for the build, make sure that hdlmake
+is in the path and run the following commands:
+
+	cd build
+	hdlmake
+
+## Build
+
+The build process requires Xilinx Vivado. To generate a bitstream run:
+
+	make
+
+## Vivado GUI
+
+To open the design in the Vivado GUI once the build is done:
+
+	vivado ebaz4205_top.xpr
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