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microwatt
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58 Commits (a3857aac940437c18a46d518929ea7e78ac7e61e)

Author SHA1 Message Date
Anton Blanchard 0a0ad9b384 Rebuild hello world assuming a 50MHz clock 
Signed-off-by: Anton Blanchard <anton@linux.ibm.com>
Olof Kindgren 12327034d6 Add and use plle2 primitive for nexys boards
Anton Blanchard 8bc3e8ea0a Add a simple hello_world example that also echos input 
Signed-off-by: Anton Blanchard <anton@linux.ibm.com>
Olof Kindgren abca85b034 Add constraint file for Nexys A7
Olof Kindgren e8ad9bed10 Expose ram init file and memory size through toplevel
Olof Kindgren b5bccc4c13 Add dummy clock generator
Anton Blanchard 37fe8b954c Add a few more FPGA related files 
Add a temporary gcc patch to remove hardware divide instructions.

Also add a firmware.hex file built with a gcc with the above patch.

Right now micropython assumes 1MB of BRAM, which limits the FPGAs
we can run on. We should be able to cut it down somewhat.

Signed-off-by: Anton Blanchard <anton@linux.ibm.com>
Anton Blanchard 5a29cb4699 Initial import of microwatt 
Signed-off-by: Anton Blanchard <anton@linux.ibm.com>