initial commit

BOARDS/run_cmod_a7.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+PROJECT_NAME=SOC
+DB_DIR=/usr/share/nextpnr/prjxray-db
+CHIPDB_DIR=/usr/share/nextpnr/xilinx-chipdb
+PART=xc7a35tcpg236-1
+VERILOGS=$1
+BOARD_FREQ=100
+CPU_FREQ=100
+
+set -ex
+yosys -DCMODA7 -DBOARD_FREQ=$BOARD_FREQ -DCPU_FREQ=$CPU_FREQ -p "scratchpad -set xilinx_dsp.multonly 1" -p "synth_xilinx -nowidelut -flatten -abc9 -arch xc7 -top SOC; write_json ${PROJECT_NAME}.json" ${VERILOGS}
+nextpnr-xilinx --chipdb ${CHIPDB_DIR}/xc7a35tcpg236-1.bin --xdc BOARDS/cmod_a7.xdc --json ${PROJECT_NAME}.json --write ${PROJECT_NAME}_routed.json --fasm ${PROJECT_NAME}.fasm
+fasm2frames --part ${PART} --db-root ${DB_DIR}/artix7 ${PROJECT_NAME}.fasm > ${PROJECT_NAME}.frames
+xc7frames2bit --part_file ${DB_DIR}/artix7/${PART}/part.yaml --part_name ${PART} --frm_file ${PROJECT_NAME}.frames --output_file ${PROJECT_NAME}.bit
+#To send to SRAM:
+openFPGALoader --freq 30e6 -c digilent --fpga-part xc7a35 femtosoc.bit
+#To send to FLASH: 
+# openFPGALoader --freq 30e6 -c digilent --fpga-part xc7a35tcpg236 -f femtosoc.bit