Initial commit, based on core/platform/novena[/fmc], probably doesn't work, but gives Pavel and Fredrik a place to put their stuff.

4 files changed, 358 insertions, 0 deletions

diff --git a/build/.gitignore b/build/.gitignore
new file mode 100644
index 0000000..2eb6775
--- /dev/null
+++ b/build/.gitignore
@@ -0,0 +1,54 @@
+*.xrpt
+_xmsgs
+default.xreport
+netlist.lst
+*.bgn
+*.bit
+*.bld
+*.cfi
+*.drc
+*.lso
+*.lso
+*.map
+*.mcs
+*.mrp
+*.ncd
+*.ngc
+*.ngd
+*.ngm
+*.pcf
+*.post_map.twr
+*.post_map.twx
+*.prj
+*.prm
+*.psr
+*.scr
+*.srp
+*.twr
+*.twx
+*_bd.bmm
+*_bitgen.xwb
+*_bitgen.xwbt
+*_err.twr
+*_err.twx
+*_par.grf
+*_par.ncd
+*_par.pad
+*_par.par
+*_par.ptwx
+*_par.unroutes
+*_par.xpi
+*_par_pad.csv
+*_par_pad.txt
+*_summary.xml
+*_usage.xml
+par_usage_statistics.html
+smartguide.ncd
+smartpreview.twr
+smartpreview.twr
+usage_statistics_webtalk.html
+webtalk.log
+xlnx_auto*
+xst
+core_selector.v
+core_vfiles.mk
diff --git a/build/Makefile b/build/Makefile
new file mode 100644
index 0000000..050789a
--- /dev/null
+++ b/build/Makefile
@@ -0,0 +1,86 @@
+# Localize all the relative path awfulness in one variable.
+
+CORE_TREE	:= $(abspath ../../../..)
+
+# Figure out what the native word size is on the build host, because
+# the XiLinx tools care for some reason.
+
+WORD_SIZE	:= $(shell python -c 'from struct import pack; print len(pack("L", 0)) * 8')
+
+# Parameters to xilinx.mk.
+
+project		?= alpha_fmc
+vendor		= xilinx
+family		= artix7
+part		= xc7a200tfbg484-3
+top_module	= alpha_fmc_top
+isedir		= /opt/Xilinx/14.7/ISE_DS
+xil_env		= . $(isedir)/settings$(WORD_SIZE).sh
+ucf		?= ../ucf/$(project).ucf
+
+all:	$(project).bit
+
+# Build the default core_selector if it doesn't already exist.
+
+CONFIG          = $(CORE_TREE)/platform/common/config
+core_selector.v core_vfiles.mk:
+	$(CONFIG)/config.py -c $(CONFIG)/config.cfg
+
+# Build some different configurations
+
+bare:
+	$(CONFIG)/config.py -c $(CONFIG)/config.cfg -s bare
+	$(MAKE) project=$(project)_bare ucf=$(ucf)
+
+trng:
+	$(CONFIG)/config.py -c $(CONFIG)/config.cfg -s trng
+	$(MAKE) project=$(project)_trng ucf=$(ucf)
+
+hash:
+	$(CONFIG)/config.py -c $(CONFIG)/config.cfg -s hash
+	$(MAKE) project=$(project)_hash ucf=$(ucf)
+
+rsa:
+	$(CONFIG)/config.py -c $(CONFIG)/config.cfg -s rsa
+	$(MAKE) project=$(project)_rsa ucf=$(ucf)
+
+# Verilog files that always go with builds on this platform.
+
+vfiles = \
+	$(CORE_TREE)/platform/alpha/fmc/rtl/alpha_fmc_top.v \
+	$(CORE_TREE)/platform/alpha/common/rtl/alpha_regs.v \
+	$(CORE_TREE)/platform/alpha/common/rtl/alpha_clkmgr.v \
+	$(CORE_TREE)/platform/alpha/common/rtl/clkmgr_dcm.v \
+	./core_selector.v \
+	$(CORE_TREE)/comm/fmc/src/rtl/cdc_bus_pulse.v \
+	$(CORE_TREE)/comm/fmc/src/rtl/fmc_arbiter_cdc.v \
+	$(CORE_TREE)/comm/fmc/src/rtl/fmc_arbiter.v \
+	$(CORE_TREE)/comm/fmc/src/rtl/fmc_d_phy.v \
+	$(CORE_TREE)/comm/fmc/src/rtl/fmc_indicator.v \
+	$(CORE_TREE)/comm/fmc/src/rtl/fmc_regs.v
+
+# Verilog files selected by the core configuration script.
+
+-include ./core_vfiles.mk
+
+include xilinx.mk
+
+# 'clean' target collects files by project name, and we just broke that
+# by adding configurations
+
+junk += *.bgn *.bit *.bld *.cfi *.drc *.lso *.map *.mcs *.mrp *.ncd *.ngc \
+	*.ngd *.ngm *.pcf *.post_map.twr *.post_map.twx *.prj *.prm *.psr \
+	*.scr *.srp *.twr *.twx *_bd.bmm *_bitgen.xwb *_bitgen.xwbt \
+	*_err.twr *_err.twx *_par.grf *_par.ncd *_par.pad *_par.par \
+	*_par.ptwx *_par.unroutes *_par.xpi *_par_pad.csv *_par_pad.txt \
+	*_summary.xml *_usage.xml
+
+distclean: clean
+	rm core_selector.v core_vfiles.mk
+
+# Fun extras for running verilator as a linter.
+
+VERILATOR_FLAGS	= --lint-only --top-module $(top_module) -Wall -Wno-fatal -Wno-DECLFILENAME
+
+lint:
+	verilator ${VERILATOR_FLAGS} $(vfiles) $(CORE_TREE)/platform/alpha/common/rtl/lint-dummy.v
diff --git a/build/xilinx.mk b/build/xilinx.mk
new file mode 100644
index 0000000..7a8d9d4
--- /dev/null
+++ b/build/xilinx.mk
@@ -0,0 +1,176 @@
+# The top level module should define the variables below then include
+# this file.  The files listed should be in the same directory as the
+# Makefile.
+#
+#   variable	description
+#   ----------  -------------
+#   project	project name (top level module should match this name)
+#   top_module  top level module of the project
+#   libdir	path to library directory
+#   libs	library modules used
+#   vfiles	all local .v files
+#   xilinx_cores  all local .xco files
+#   vendor      vendor of FPGA (xilinx, altera, etc.)
+#   family      FPGA device family (spartan3e)
+#   part        FPGA part name (xc4vfx12-10-sf363)
+#   flashsize   size of flash for mcs file (16384)
+#   optfile     (optional) xst extra opttions file to put in .scr
+#   map_opts    (optional) options to give to map
+#   par_opts    (optional) options to give to par
+#   intstyle    (optional) intstyle option to all tools
+#   ucf         constraint file, defaults to $(project).ucf
+#
+# Library modules should have a modules.mk in their root directory,
+# namely $(libdir)/<libname>/module.mk, that simply adds to the vfiles
+# and xilinx_cores variable.
+#
+# all the .xco files listed in xilinx_cores will be generated with core, with
+# the resulting .v and .ngc files placed back in the same directory as
+# the .xco file.
+#
+# TODO: .xco files are device dependant, should use a template based system
+
+coregen_work_dir ?= ./coregen-tmp
+#map_opts ?= -timing -ol high -detail -pr b -register_duplication -w -xe n
+# from https://github.com/fpga-logi/logi-hard/blob/master/build_lib/synth/xilinx.mk:
+map_opts ?= -w -logic_opt off -ol high -t 1 -xt 0 -register_duplication off -r 4 -global_opt off -mt off -ir off -pr off -lc off -power off
+par_opts ?= -ol high
+isedir ?= /opt/Xilinx/13.3/ISE_DS
+xil_env ?= . $(isedir)/settings32.sh
+flashsize ?= 8192
+ucf ?= $(project).ucf
+
+libmks = $(patsubst %,$(libdir)/%/module.mk,$(libs))
+mkfiles = $(libmks) xilinx.mk
+include $(libmks)
+
+corengcs = $(foreach core,$(xilinx_cores),$(core:.xco=.ngc))
+local_corengcs = $(foreach ngc,$(corengcs),$(notdir $(ngc)))
+vfiles += $(foreach core,$(xilinx_cores),$(core:.xco=.v))
+junk += $(local_corengcs)
+
+.PHONY: default xilinx_cores clean twr etwr
+default: $(project).bit $(project).mcs
+xilinx_cores: $(corengcs)
+twr: $(project).twr
+etwr: $(project)_err.twr
+
+define cp_template
+$(2): $(1)
+	cp $(1) $(2)
+endef
+$(foreach ngc,$(corengcs),$(eval $(call cp_template,$(ngc),$(notdir $(ngc)))))
+
+%.ngc %.v: %.xco
+	@echo "=== rebuilding $@"
+	if [ -d $(coregen_work_dir) ]; then \
+		rm -rf $(coregen_work_dir)/*; \
+	else \
+		mkdir -p $(coregen_work_dir); \
+	fi
+	cd $(coregen_work_dir); \
+	$(xil_env); \
+	coregen -b $$OLDPWD/$<; \
+	cd -
+	xcodir=`dirname $<`; \
+	basename=`basename $< .xco`; \
+	if [ ! -r $(coregen_work_dir/$$basename.ngc) ]; then \
+		echo "'$@' wasn't created."; \
+		exit 1; \
+	else \
+		cp $(coregen_work_dir)/$$basename.v $(coregen_work_dir)/$$basename.ngc $$xcodir; \
+	fi
+junk += $(coregen_work_dir)
+
+date = $(shell date +%F-%H-%M)
+
+# some common junk
+junk += *.xrpt
+
+programming_files: $(project).bit $(project).mcs
+	mkdir -p $@/$(date)
+	mkdir -p $@/latest
+	for x in .bit .mcs .cfi _bd.bmm; do cp $(project)$$x $@/$(date)/$(project)$$x; cp $(project)$$x $@/latest/$(project)$$x; done
+	$(xil_env); xst -help | head -1 | sed 's/^/#/' | cat - $(project).scr > $@/$(date)/$(project).scr
+
+$(project).mcs: $(project).bit
+	$(xil_env); \
+	promgen -w -s $(flashsize) -p mcs -o $@ -u 0 $^
+junk += $(project).mcs $(project).cfi $(project).prm
+
+$(project).bit: $(project)_par.ncd
+	$(xil_env); \
+	bitgen $(intstyle) -g UnusedPin:Pullnone -g DriveDone:yes -g StartupClk:Cclk -w $(project)_par.ncd $(project).bit
+junk += $(project).bgn $(project).bit $(project).drc $(project)_bd.bmm
+
+
+$(project)_par.ncd: $(project).ncd
+	$(xil_env); \
+	if par $(intstyle) $(par_opts) -w $(project).ncd $(project)_par.ncd; then \
+		:; \
+	else \
+		$(MAKE) etwr; \
+	fi
+junk += $(project)_par.ncd $(project)_par.par $(project)_par.pad
+junk += $(project)_par_pad.csv $(project)_par_pad.txt
+junk += $(project)_par.grf $(project)_par.ptwx
+junk += $(project)_par.unroutes $(project)_par.xpi
+
+$(project).ncd: $(project).ngd
+	if [ -r $(project)_par.ncd ]; then \
+		cp $(project)_par.ncd smartguide.ncd; \
+		smartguide="-smartguide smartguide.ncd"; \
+	else \
+		smartguide=""; \
+	fi; \
+	$(xil_env); \
+	map $(intstyle) $(map_opts) $$smartguide $<
+junk += $(project).ncd $(project).pcf $(project).ngm $(project).mrp $(project).map
+junk += smartguide.ncd $(project).psr
+junk += $(project)_summary.xml $(project)_usage.xml
+
+$(project).ngd: $(project).ngc $(ucf)
+	$(xil_env); ngdbuild $(intstyle) $(project).ngc -uc $(ucf)
+junk += $(project).ngd $(project).bld
+
+$(project).ngc: $(vfiles) $(local_corengcs) $(project).scr $(project).prj
+	$(xil_env); xst $(intstyle) -ifn $(project).scr
+junk += xlnx_auto* $(top_module).lso $(project).srp
+junk += netlist.lst xst $(project).ngc
+
+$(project).prj: $(vfiles) $(mkfiles)
+	for src in $(vfiles); do echo "verilog work $$src" >> $(project).tmpprj; done
+	sort -u $(project).tmpprj > $(project).prj
+	rm -f $(project).tmpprj
+junk += $(project).prj
+
+optfile += $(wildcard $(project).opt)
+top_module ?= $(project)
+$(project).scr: $(optfile) $(mkfiles) ./xilinx.opt
+	echo "run" > $@
+	echo "-p $(part)" >> $@
+	echo "-top $(top_module)" >> $@
+	echo "-ifn $(project).prj" >> $@
+	echo "-ofn $(project).ngc" >> $@
+	cat ./xilinx.opt $(optfile) >> $@
+junk += $(project).scr
+
+$(project).post_map.twr: $(project).ncd
+	$(xil_env); trce -e 10 $< $(project).pcf -o $@
+junk += $(project).post_map.twr $(project).post_map.twx smartpreview.twr
+
+$(project).twr: $(project)_par.ncd
+	$(xil_env); trce $< $(project).pcf -o $(project).twr
+junk += $(project).twr $(project).twx smartpreview.twr
+
+$(project)_err.twr: $(project)_par.ncd
+	$(xil_env); trce -e 10 $< $(project).pcf -o $(project)_err.twr
+junk += $(project)_err.twr $(project)_err.twx
+junk += $(project).lso $(project)_bitgen.xwb $(project)_bitgen.xwbt
+junk += usage_statistics_webtalk.html par_usage_statistics.html webtalk.log _xmsgs default.xreport
+
+.gitignore: $(mkfiles)
+	echo programming_files $(junk) | sed 's, ,\n,g' > .gitignore
+
+clean::
+	rm -rf $(junk)
diff --git a/build/xilinx.opt b/build/xilinx.opt
new file mode 100644
index 0000000..7fe9d8b
--- /dev/null
+++ b/build/xilinx.opt
@@ -0,0 +1,42 @@
+-ifmt mixed
+-ofmt NGC
+-opt_mode speed
+-opt_level 1
+-iuc NO
+-keep_hierarchy no
+-netlist_hierarchy as_optimized
+-rtlview no
+-glob_opt AllClockNets
+-read_cores yes
+-write_timing_constraints NO
+-cross_clock_analysis NO
+-hierarchy_separator /
+-bus_delimiter <>
+-case maintain
+-slice_utilization_ratio 100
+-bram_utilization_ratio 100
+#-dsp_utilization_ratio 100
+-safe_implementation No
+-fsm_extract YES
+-fsm_encoding Auto
+-fsm_style lut
+-ram_extract Yes
+-ram_style Auto
+-rom_extract Yes
+-rom_style Auto
+-shreg_extract YES
+-auto_bram_packing NO
+-resource_sharing YES
+-async_to_sync NO
+#-use_dsp48 auto
+-iobuf YES
+-max_fanout 500
+-register_duplication YES
+-register_balancing No
+-optimize_primitives NO
+-use_clock_enable Auto
+-use_sync_set Auto
+-use_sync_reset Auto
+-iob auto
+-equivalent_register_removal YES
+-slice_utilization_ratio_maxmargin 5