rtl: add project with eth and generator

designs/eth_generator/Makefile

@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: MIT
+#
+# Copyright (c) 2025 FPGA Ninja, LLC
+#
+# Authors:
+# - Alex Forencich
+#
+
+# FPGA settings
+FPGA_PART = xc7a35tfgg484-1
+FPGA_TOP = eth_generator_top
+FPGA_ARCH = artix7
+
+RTL_DIR = ../../rtl
+
+
+include ../../scripts/vivado.mk
+
+SYN_FILES += eth_generator.sv
+SYN_FILES += $(sort $(shell find ../../rtl -type f \( -name '*.v' -o -name '*.sv' \)))
+
+XCI_FILES = $(sort $(shell find ../../rtl/ethernet-udp/src -type f -name '*.xci'))
+XCI_FILES += $(sort $(shell find ip/ -type f -name '*.xci'))
+
+XDC_FILES += ../../constraints/ax7a035b.xdc
+XDC_FILES += debug.xdc
+
+
+
+program: $(PROJECT).bit
+	echo "open_hw_manager" > program.tcl
+	echo "connect_hw_server" >> program.tcl
+	echo "open_hw_target" >> program.tcl
+	echo "current_hw_device [lindex [get_hw_devices] 0]" >> program.tcl
+	echo "refresh_hw_device -update_hw_probes false [current_hw_device]" >> program.tcl
+	echo "set_property PROGRAM.FILE {$(PROJECT).bit} [current_hw_device]" >> program.tcl
+	echo "program_hw_devices [current_hw_device]" >> program.tcl
+	echo "exit" >> program.tcl
+	vivado -nojournal -nolog -mode batch -source program.tcl
+
+$(PROJECT).mcs $(PROJECT).prm: $(PROJECT).bit
+	echo "write_cfgmem -force -format mcs -size 16 -interface SPIx4 -loadbit {up 0x0000000 $*.bit} -checksum -file $*.mcs" > generate_mcs.tcl
+	echo "exit" >> generate_mcs.tcl
+	vivado -nojournal -nolog -mode batch -source generate_mcs.tcl
+	mkdir -p rev
+	COUNT=100; \
+	while [ -e rev/$*_rev$$COUNT.bit ]; \
+	do COUNT=$$((COUNT+1)); done; \
+	COUNT=$$((COUNT-1)); \
+	for x in .mcs .prm; \
+	do cp $*$$x rev/$*_rev$$COUNT$$x; \
+	echo "Output: rev/$*_rev$$COUNT$$x"; done;