Support Arty S7-50

Added Xilinx xc7s50 device to part.hpp; added support for generating
spiOverJtag bitstream file for that device and added bitstream to repo.
Converted xdc file from DOC line endings to native line endings.

CMakeLists.txt

@@ -159,5 +159,6 @@ install(TARGETS openFPGALoader DESTINATION bin)
 install(FILES 
 	test_sfl.svf
 	spiOverJtag/spiOverJtag_xc7a35.bit
+	spiOverJtag/spiOverJtag_xc7s50.bit
 	DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/openFPGALoader
 )

README.md

@@ -5,7 +5,8 @@ __Current support kits:__
 
 * Trenz cyc1000 Cyclone 10 LP 10CL025 (memory and spi flash)
 * [Colorlight 5A-75B (version 7)](https://fr.aliexpress.com/item/32281130824.html) (memory and spi flash)
-* Digilent arty Artix xc7a35ti (memory and spi flash)
+* [Digilent Arty A7 xc7a35ti](https://reference.digilentinc.com/reference/programmable-logic/arty-a7/start) (memory and spi flash)
+* [Digilent Arty S7 xc7s50](https://reference.digilentinc.com/reference/programmable-logic/arty-s7/start) (memory and spi flash)
 * [Lattice MachXO2 Breakout Board Evaluation Kit (LCMXO2-7000HE)](https://www.latticesemi.com/products/developmentboardsandkits/machxo2breakoutboard) (memory and flash)
 * Lattice MachXO3LF Starter Kit LCMX03LF-6900C (memory and flash)
 * [Lattice ECP5 5G Evaluation Board (LFE5UM5G-85F-EVN)](https://www.latticesemi.com/en/Products/DevelopmentBoardsAndKits/ECP5EvaluationBoard) (memory and spi flash)
@@ -23,7 +24,7 @@ __Supported (tested) FPGA:__
 * Lattice [ECP5 (25F, 5G 85F](http://www.latticesemi.com/Products/FPGAandCPLD/ECP5) (SRAM and Flash)
 * Xilinx Artix 7 [xc7a35ti, xc7a100t](https://www.xilinx.com/products/silicon-devices/fpga/artix-7.html) (memory (all) and spi flash (xc7a35ti)
 * Xilinx Spartan 6 [xc6slx45](https://www.xilinx.com/products/silicon-devices/fpga/spartan-6.html) (memory)
-* Xilinx Spartan 7 [xc7s15](https://www.xilinx.com/products/silicon-devices/fpga/spartan-7.html) (memory)
+* Xilinx Spartan 7 [xc7s15, xc7s50](https://www.xilinx.com/products/silicon-devices/fpga/spartan-7.html) (memory (all) and spi flash (xc7s50))
 * Intel Cyclone 10 LP [10CL025](https://www.intel.com/content/www/us/en/products/programmable/fpga/cyclone-10.html)
 
 __Supported cables:__

spiOverJtag/.gitignore

@@ -1 +1 @@
-tmp
+tmp_*

spiOverJtag/Makefile

@@ -1,14 +1,13 @@
 VIVADO := vivado -nolog -nojournal -mode batch -source
-MODEL = xc7a35
-PRJ = spiOverJtag_$(MODEL)
+MODELS := xc7a35 xc7s50
+BIT_FILES := $(addsuffix .bit,$(addprefix spiOverJtag_, $(MODELS)))
 
-BIT_PATH     = tmp/$(PRJ).runs/impl_1/
-BIT_TMP_FILE = $(BIT_PATH)/*.bit
-BIT_FILE = $(PRJ).bit
+all: $(BIT_FILES)
+
+$(BIT_FILES) : spiOverJtag_%.bit : tmp_%/spiOverJtag.runs/impl_1/xilinx_spiOverJtag.bit
+	cp $< $@
+tmp_%/spiOverJtag.runs/impl_1/xilinx_spiOverJtag.bit : xilinx_spiOverJtag.vhd constr_%.xdc
+	$(VIVADO) xilinx_spiOverJtag.tcl -tclargs $*
 
-$(BIT_FILE) : $(BIT_TMP_FILE)
-	cp $(BIT_TMP_FILE) $(BIT_FILE)
-$(BIT_TMP_FILE): xilinx_spiOverJtag.vhd constr.xdc
-	$(VIVADO) xilinx_spiOverJtag.tcl -tclargs $(MODEL)
 clean:
-	-rm -rf tmp *.jou *.log .Xil
+	-rm -rf tmp_* *.jou *.log .Xil

spiOverJtag/constr_xc7s50.xdc

@@ -0,0 +1,9 @@
+set_property CFGBVS VCCO [current_design]
+set_property CONFIG_VOLTAGE 3.3 [current_design]
+set_property BITSTREAM.CONFIG.SPI_BUSWIDTH {4} [current_design]
+
+set_property -dict {PACKAGE_PIN M13 IOSTANDARD LVCMOS33} [get_ports {csn}];
+set_property -dict {PACKAGE_PIN K17 IOSTANDARD LVCMOS33} [get_ports {sdi_dq0}];
+set_property -dict {PACKAGE_PIN K18 IOSTANDARD LVCMOS33} [get_ports {sdo_dq1}];
+set_property -dict {PACKAGE_PIN L14 IOSTANDARD LVCMOS33} [get_ports {wpn_dq2}];
+set_property -dict {PACKAGE_PIN M15 IOSTANDARD LVCMOS33} [get_ports {hldn_dq3}];

spiOverJtag/xilinx_spiOverJtag.tcl

@@ -1,15 +1,16 @@
 set model [lindex $argv 0]
 
-set project_name "spiOverJtag_${model}"
+set project_name "spiOverJtag"
 
-set build_path tmp
+set build_path tmp_${model}
 file delete -force $build_path
 
 # Project creation
-create_project $project_name $build_path -part xc7a35ticsg324-1L
+set parts [dict create xc7a35 xc7a35ticsg324-1L xc7s50 xc7s50csga324-1]
+create_project $project_name $build_path -part [dict get $parts $model]
 
 add_files -norecurse xilinx_spiOverJtag.vhd
-add_files -norecurse -fileset constrs_1 constr.xdc
+add_files -norecurse -fileset constrs_1 constr_${model}.xdc
 
 set_property VERILOG_DEFINE {TOOL_VIVADO} [current_fileset]
 

src/part.hpp

@@ -16,6 +16,7 @@ static std::map <int, fpga_model> fpga_list = {
 
 	{0x44008093, {"xilinx", "spartan6", "xc6slx45"}},
 	{0x03620093, {"xilinx", "spartan7", "xc7s15ftgb196-1"}},
+	{0x0362f093, {"xilinx", "spartan7", "xc7s50"}},
 
 	{0x020f30dd, {"altera", "cyclone 10 LP", "10CL025"}},