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authorPaul Selkirk <pselkirk@isc.org>2015-03-17 13:49:30 +0100
committerPaul Selkirk <pselkirk@isc.org>2015-03-17 13:49:30 +0100
commit283bfbeeb7fb5767815c10ea98bb155638d4bfb3 (patch)
tree5929001d84e6ef964d1338c71b27418ad8a146bf /i2c
parent21ef7967486b349d66703c13edfff58d5f13372a (diff)
Rearrange cores.
Diffstat (limited to 'i2c')
-rw-r--r--i2c/build/.gitignore52
-rw-r--r--i2c/build/Makefile36
-rw-r--r--i2c/build/xilinx.mk174
-rw-r--r--i2c/build/xilinx.opt42
-rw-r--r--i2c/iseconfig/.gitignore48
-rw-r--r--i2c/iseconfig/novena_i2c.xise455
-rw-r--r--i2c/rtl/novena_i2c.v221
-rw-r--r--i2c/rtl/novena_regs.v129
-rwxr-xr-xi2c/sw/Makefile7
-rw-r--r--i2c/sw/hash_tester_i2c.c1030
-rw-r--r--i2c/ucf/novena_i2c.ucf82
11 files changed, 2276 insertions, 0 deletions
diff --git a/i2c/build/.gitignore b/i2c/build/.gitignore
new file mode 100644
index 0000000..01d7e9c
--- /dev/null
+++ b/i2c/build/.gitignore
@@ -0,0 +1,52 @@
+*.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
diff --git a/i2c/build/Makefile b/i2c/build/Makefile
new file mode 100644
index 0000000..3959c4f
--- /dev/null
+++ b/i2c/build/Makefile
@@ -0,0 +1,36 @@
+project = novena_i2c
+vendor = xilinx
+family = spartan6
+part = xc6slx45csg324-3
+top_module = novena_top
+isedir = /opt/Xilinx/14.7/ISE_DS
+xil_env = . $(isedir)/settings64.sh
+ucf = ../ucf/novena_i2c.ucf
+
+vfiles = \
+ ../rtl/novena_i2c.v \
+ ../rtl/novena_regs.v \
+ ../../common/rtl/novena_clkmgr.v \
+ ../../common/rtl/ipcore/clkmgr_dcm.v \
+ ../../../common/core_selector/src/rtl/core_selector.v \
+ ../../../common/core_selector/src/rtl/global_selector.v \
+ ../../../common/core_selector/src/rtl/cipher_selector.v \
+ ../../../common/core_selector/src/rtl/hash_selector.v \
+ ../../../common/core_selector/src/rtl/rng_selector.v \
+ ../../../../comm/i2c/src/rtl/i2c_regs.v \
+ ../../../../comm/i2c/src/rtl/i2c_core.v \
+ ../../../../comm/coretest/src/rtl/coretest.v \
+ ../../../../hash/sha1/src/rtl/sha1.v \
+ ../../../../hash/sha1/src/rtl/sha1_core.v \
+ ../../../../hash/sha1/src/rtl/sha1_w_mem.v \
+ ../../../../hash/sha256/src/rtl/sha256.v \
+ ../../../../hash/sha256/src/rtl/sha256_core.v \
+ ../../../../hash/sha256/src/rtl/sha256_k_constants.v \
+ ../../../../hash/sha256/src/rtl/sha256_w_mem.v \
+ ../../../../hash/sha512/src/rtl/sha512.v \
+ ../../../../hash/sha512/src/rtl/sha512_core.v \
+ ../../../../hash/sha512/src/rtl/sha512_h_constants.v \
+ ../../../../hash/sha512/src/rtl/sha512_k_constants.v \
+ ../../../../hash/sha512/src/rtl/sha512_w_mem.v
+
+include xilinx.mk
diff --git a/i2c/build/xilinx.mk b/i2c/build/xilinx.mk
new file mode 100644
index 0000000..f35cc98
--- /dev/null
+++ b/i2c/build/xilinx.mk
@@ -0,0 +1,174 @@
+# 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
+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/i2c/build/xilinx.opt b/i2c/build/xilinx.opt
new file mode 100644
index 0000000..7fe9d8b
--- /dev/null
+++ b/i2c/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
diff --git a/i2c/iseconfig/.gitignore b/i2c/iseconfig/.gitignore
new file mode 100644
index 0000000..91e8e2b
--- /dev/null
+++ b/i2c/iseconfig/.gitignore
@@ -0,0 +1,48 @@
+iseconfig
+_ngo
+*.bgn
+*_bitgen.xwbt
+*.bld
+*.cmd_log
+*.drc
+*_envsettings.html
+*_guide.ncd
+*.lso
+*_map.map
+*_map.mrp
+*_map.ncd
+*_map.ngm
+*_map.xrpt
+*.ncd
+*.ngc
+*.ngd
+*_ngdbuild.xrpt
+*.ngr
+*.pad
+*_pad.csv
+*_pad.txt
+*.par
+*_par.xrpt
+*.pcf
+*.prj
+*.ptwx
+*.stx
+*_summary.html
+*_summary.xml
+*.syr
+*.twr
+*.twx
+*.unroutes
+*_usage.xml
+*.ut
+*.xpi
+*.xst
+*_xst.xrpt
+*.gise
+par_usage_statistics.html
+usage_statistics_webtalk.html
+webtalk.log
+webtalk_pn.xml
+xlnx_auto_0_xdb
+_xmsgs
+xst
diff --git a/i2c/iseconfig/novena_i2c.xise b/i2c/iseconfig/novena_i2c.xise
new file mode 100644
index 0000000..719e157
--- /dev/null
+++ b/i2c/iseconfig/novena_i2c.xise
@@ -0,0 +1,455 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<project xmlns="http://www.xilinx.com/XMLSchema" xmlns:xil_pn="http://www.xilinx.com/XMLSchema">
+
+ <header>
+ <!-- ISE source project file created by Project Navigator. -->
+ <!-- -->
+ <!-- This file contains project source information including a list of -->
+ <!-- project source files, project and process properties. This file, -->
+ <!-- along with the project source files, is sufficient to open and -->
+ <!-- implement in ISE Project Navigator. -->
+ <!-- -->
+ <!-- Copyright (c) 1995-2013 Xilinx, Inc. All rights reserved. -->
+ </header>
+
+ <version xil_pn:ise_version="14.7" xil_pn:schema_version="2"/>
+
+ <files>
+ <file xil_pn:name="../rtl/novena_i2c.v" xil_pn:type="FILE_VERILOG">
+ <association xil_pn:name="BehavioralSimulation" xil_pn:seqID="1"/>
+ <association xil_pn:name="Implementation" xil_pn:seqID="24"/>
+ </file>
+ <file xil_pn:name="../rtl/novena_regs.v" xil_pn:type="FILE_VERILOG">
+ <association xil_pn:name="BehavioralSimulation" xil_pn:seqID="1"/>
+ <association xil_pn:name="Implementation" xil_pn:seqID="10"/>
+ </file>
+ <file xil_pn:name="../../common/rtl/novena_clkmgr.v" xil_pn:type="FILE_VERILOG">
+ <association xil_pn:name="BehavioralSimulation" xil_pn:seqID="1"/>
+ <association xil_pn:name="Implementation" xil_pn:seqID="20"/>
+ </file>
+ <file xil_pn:name="../../common/rtl/ipcore/clkmgr_dcm.xco" xil_pn:type="FILE_COREGEN">
+ <association xil_pn:name="BehavioralSimulation" xil_pn:seqID="5"/>
+ <association xil_pn:name="Implementation" xil_pn:seqID="15"/>
+ </file>
+ <file xil_pn:name="../ucf/novena_i2c.ucf" xil_pn:type="FILE_UCF">
+ <association xil_pn:name="Implementation" xil_pn:seqID="0"/>
+ </file>
+ <file xil_pn:name="../../../common/core_selector/src/rtl/core_selector.v" xil_pn:type="FILE_VERILOG">
+ <association xil_pn:name="BehavioralSimulation" xil_pn:seqID="4"/>
+ <association xil_pn:name="Implementation" xil_pn:seqID="21"/>
+ </file>
+ <file xil_pn:name="../../../common/core_selector/src/rtl/global_selector.v" xil_pn:type="FILE_VERILOG">
+ <association xil_pn:name="BehavioralSimulation" xil_pn:seqID="4"/>
+ <association xil_pn:name="Implementation" xil_pn:seqID="18"/>
+ </file>
+ <file xil_pn:name="../../../common/core_selector/src/rtl/cipher_selector.v" xil_pn:type="FILE_VERILOG">
+ <association xil_pn:name="BehavioralSimulation" xil_pn:seqID="3"/>
+ <association xil_pn:name="Implementation" xil_pn:seqID="19"/>
+ </file>
+ <file xil_pn:name="../../../common/core_selector/src/rtl/hash_selector.v" xil_pn:type="FILE_VERILOG">
+ <association xil_pn:name="BehavioralSimulation" xil_pn:seqID="5"/>
+ <association xil_pn:name="Implementation" xil_pn:seqID="17"/>
+ </file>
+ <file xil_pn:name="../../../common/core_selector/src/rtl/rng_selector.v" xil_pn:type="FILE_VERILOG">
+ <association xil_pn:name="BehavioralSimulation" xil_pn:seqID="6"/>
+ <association xil_pn:name="Implementation" xil_pn:seqID="16"/>
+ </file>
+ <file xil_pn:name="../../../../comm/coretest/src/rtl/coretest.v" xil_pn:type="FILE_VERILOG">
+ <association xil_pn:name="BehavioralSimulation" xil_pn:seqID="7"/>
+ <association xil_pn:name="Implementation" xil_pn:seqID="23"/>
+ </file>
+ <file xil_pn:name="../../../../comm/i2c/src/rtl/i2c_core.v" xil_pn:type="FILE_VERILOG">
+ <association xil_pn:name="BehavioralSimulation" xil_pn:seqID="8"/>
+ <association xil_pn:name="Implementation" xil_pn:seqID="22"/>
+ </file>
+ <file xil_pn:name="../../../../hash/sha1/src/rtl/sha1_core.v" xil_pn:type="FILE_VERILOG">
+ <association xil_pn:name="BehavioralSimulation" xil_pn:seqID="9"/>
+ <association xil_pn:name="Implementation" xil_pn:seqID="9"/>
+ </file>
+ <file xil_pn:name="../../../../hash/sha1/src/rtl/sha1_w_mem.v" xil_pn:type="FILE_VERILOG">
+ <association xil_pn:name="BehavioralSimulation" xil_pn:seqID="10"/>
+ <association xil_pn:name="Implementation" xil_pn:seqID="6"/>
+ </file>
+ <file xil_pn:name="../../../../hash/sha1/src/rtl/sha1.v" xil_pn:type="FILE_VERILOG">
+ <association xil_pn:name="BehavioralSimulation" xil_pn:seqID="11"/>
+ <association xil_pn:name="Implementation" xil_pn:seqID="13"/>
+ </file>
+ <file xil_pn:name="../../../../hash/sha256/src/rtl/sha256_core.v" xil_pn:type="FILE_VERILOG">
+ <association xil_pn:name="BehavioralSimulation" xil_pn:seqID="12"/>
+ <association xil_pn:name="Implementation" xil_pn:seqID="8"/>
+ </file>
+ <file xil_pn:name="../../../../hash/sha256/src/rtl/sha256_k_constants.v" xil_pn:type="FILE_VERILOG">
+ <association xil_pn:name="BehavioralSimulation" xil_pn:seqID="13"/>
+ <association xil_pn:name="Implementation" xil_pn:seqID="5"/>
+ </file>
+ <file xil_pn:name="../../../../hash/sha256/src/rtl/sha256_w_mem.v" xil_pn:type="FILE_VERILOG">
+ <association xil_pn:name="BehavioralSimulation" xil_pn:seqID="14"/>
+ <association xil_pn:name="Implementation" xil_pn:seqID="4"/>
+ </file>
+ <file xil_pn:name="../../../../hash/sha256/src/rtl/sha256.v" xil_pn:type="FILE_VERILOG">
+ <association xil_pn:name="BehavioralSimulation" xil_pn:seqID="15"/>
+ <association xil_pn:name="Implementation" xil_pn:seqID="12"/>
+ </file>
+ <file xil_pn:name="../../../../hash/sha512/src/rtl/sha512_core.v" xil_pn:type="FILE_VERILOG">
+ <association xil_pn:name="BehavioralSimulation" xil_pn:seqID="16"/>
+ <association xil_pn:name="Implementation" xil_pn:seqID="7"/>
+ </file>
+ <file xil_pn:name="../../../../hash/sha512/src/rtl/sha512_h_constants.v" xil_pn:type="FILE_VERILOG">
+ <association xil_pn:name="BehavioralSimulation" xil_pn:seqID="17"/>
+ <association xil_pn:name="Implementation" xil_pn:seqID="3"/>
+ </file>
+ <file xil_pn:name="../../../../hash/sha512/src/rtl/sha512_k_constants.v" xil_pn:type="FILE_VERILOG">
+ <association xil_pn:name="BehavioralSimulation" xil_pn:seqID="18"/>
+ <association xil_pn:name="Implementation" xil_pn:seqID="2"/>
+ </file>
+ <file xil_pn:name="../../../../hash/sha512/src/rtl/sha512_w_mem.v" xil_pn:type="FILE_VERILOG">
+ <association xil_pn:name="BehavioralSimulation" xil_pn:seqID="19"/>
+ <association xil_pn:name="Implementation" xil_pn:seqID="1"/>
+ </file>
+ <file xil_pn:name="../../../../hash/sha512/src/rtl/sha512.v" xil_pn:type="FILE_VERILOG">
+ <association xil_pn:name="BehavioralSimulation" xil_pn:seqID="20"/>
+ <association xil_pn:name="Implementation" xil_pn:seqID="11"/>
+ </file>
+ <file xil_pn:name="../../../../comm/i2c/src/rtl/i2c_regs.v" xil_pn:type="FILE_VERILOG">
+ <association xil_pn:name="BehavioralSimulation" xil_pn:seqID="22"/>
+ <association xil_pn:name="Implementation" xil_pn:seqID="14"/>
+ </file>
+ </files>
+
+ <properties>
+ <property xil_pn:name="AES Initial Vector spartan6" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="AES Key (Hex String) spartan6" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Add I/O Buffers" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Allow Logic Optimization Across Hierarchy" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Allow SelectMAP Pins to Persist" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Allow Unexpanded Blocks" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Allow Unmatched LOC Constraints" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Allow Unmatched Timing Group Constraints" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Analysis Effort Level" xil_pn:value="Standard" xil_pn:valueState="default"/>
+ <property xil_pn:name="Asynchronous To Synchronous" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Auto Implementation Compile Order" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Auto Implementation Top" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Automatic BRAM Packing" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Automatically Insert glbl Module in the Netlist" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Automatically Run Generate Target PROM/ACE File" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="BRAM Utilization Ratio" xil_pn:value="100" xil_pn:valueState="default"/>
+ <property xil_pn:name="Bring Out Global Set/Reset Net as a Port" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Bring Out Global Tristate Net as a Port" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Bus Delimiter" xil_pn:value="&lt;>" xil_pn:valueState="default"/>
+ <property xil_pn:name="Case" xil_pn:value="Maintain" xil_pn:valueState="default"/>
+ <property xil_pn:name="Case Implementation Style" xil_pn:value="None" xil_pn:valueState="default"/>
+ <property xil_pn:name="Change Device Speed To" xil_pn:value="-3" xil_pn:valueState="default"/>
+ <property xil_pn:name="Change Device Speed To Post Trace" xil_pn:value="-3" xil_pn:valueState="default"/>
+ <property xil_pn:name="Combinatorial Logic Optimization" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Compile EDK Simulation Library" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Compile SIMPRIM (Timing) Simulation Library" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Compile UNISIM (Functional) Simulation Library" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Compile XilinxCoreLib (CORE Generator) Simulation Library" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Compile for HDL Debugging" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Configuration Clk (Configuration Pins)" xil_pn:value="Pull Up" xil_pn:valueState="default"/>
+ <property xil_pn:name="Configuration Pin Done" xil_pn:value="Pull Up" xil_pn:valueState="default"/>
+ <property xil_pn:name="Configuration Pin M0" xil_pn:value="Pull Up" xil_pn:valueState="default"/>
+ <property xil_pn:name="Configuration Pin M1" xil_pn:value="Pull Up" xil_pn:valueState="default"/>
+ <property xil_pn:name="Configuration Pin M2" xil_pn:value="Pull Up" xil_pn:valueState="default"/>
+ <property xil_pn:name="Configuration Pin Program" xil_pn:value="Pull Up" xil_pn:valueState="default"/>
+ <property xil_pn:name="Configuration Rate spartan6" xil_pn:value="2" xil_pn:valueState="default"/>
+ <property xil_pn:name="Correlate Output to Input Design" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Create ASCII Configuration File" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Create Binary Configuration File" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Create Bit File" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Create I/O Pads from Ports" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Create IEEE 1532 Configuration File spartan6" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Create Logic Allocation File" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Create Mask File" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Create ReadBack Data Files" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Cross Clock Analysis" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="DSP Utilization Ratio" xil_pn:value="100" xil_pn:valueState="default"/>
+ <property xil_pn:name="Delay Values To Be Read from SDF" xil_pn:value="Setup Time" xil_pn:valueState="default"/>
+ <property xil_pn:name="Device" xil_pn:value="xc6slx45" xil_pn:valueState="non-default"/>
+ <property xil_pn:name="Device Family" xil_pn:value="Spartan6" xil_pn:valueState="non-default"/>
+ <property xil_pn:name="Device Speed Grade/Select ABS Minimum" xil_pn:value="-3" xil_pn:valueState="default"/>
+ <property xil_pn:name="Disable Detailed Package Model Insertion" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Do Not Escape Signal and Instance Names in Netlist" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Done (Output Events)" xil_pn:value="Default (4)" xil_pn:valueState="default"/>
+ <property xil_pn:name="Drive Awake Pin During Suspend/Wake Sequence spartan6" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Drive Done Pin High" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Enable BitStream Compression" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Enable Cyclic Redundancy Checking (CRC) spartan6" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Enable Debugging of Serial Mode BitStream" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Enable External Master Clock spartan6" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Enable Hardware Co-Simulation" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Enable Internal Done Pipe" xil_pn:value="true" xil_pn:valueState="non-default"/>
+ <property xil_pn:name="Enable Message Filtering" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Enable Multi-Pin Wake-Up Suspend Mode spartan6" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Enable Multi-Threading" xil_pn:value="Off" xil_pn:valueState="default"/>
+ <property xil_pn:name="Enable Multi-Threading par spartan6" xil_pn:value="Off" xil_pn:valueState="default"/>
+ <property xil_pn:name="Enable Outputs (Output Events)" xil_pn:value="Default (5)" xil_pn:valueState="default"/>
+ <property xil_pn:name="Enable Suspend/Wake Global Set/Reset spartan6" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Encrypt Bitstream spartan6" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Encrypt Key Select spartan6" xil_pn:value="BBRAM" xil_pn:valueState="default"/>
+ <property xil_pn:name="Equivalent Register Removal Map" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Equivalent Register Removal XST" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Essential Bits" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Evaluation Development Board" xil_pn:value="None Specified" xil_pn:valueState="default"/>
+ <property xil_pn:name="Exclude Compilation of Deprecated EDK Cores" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Exclude Compilation of EDK Sub-Libraries" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Extra Cost Tables Map" xil_pn:value="0" xil_pn:valueState="default"/>
+ <property xil_pn:name="Extra Effort (Highest PAR level only)" xil_pn:value="None" xil_pn:valueState="default"/>
+ <property xil_pn:name="FPGA Start-Up Clock" xil_pn:value="CCLK" xil_pn:valueState="default"/>
+ <property xil_pn:name="FSM Encoding Algorithm" xil_pn:value="Auto" xil_pn:valueState="default"/>
+ <property xil_pn:name="FSM Style" xil_pn:value="LUT" xil_pn:valueState="default"/>
+ <property xil_pn:name="Filter Files From Compile Order" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Flatten Output Netlist" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Functional Model Target Language ArchWiz" xil_pn:value="Verilog" xil_pn:valueState="default"/>
+ <property xil_pn:name="Functional Model Target Language Coregen" xil_pn:value="Verilog" xil_pn:valueState="default"/>
+ <property xil_pn:name="Functional Model Target Language Schematic" xil_pn:value="Verilog" xil_pn:valueState="default"/>
+ <property xil_pn:name="GTS Cycle During Suspend/Wakeup Sequence spartan6" xil_pn:value="4" xil_pn:valueState="default"/>
+ <property xil_pn:name="GWE Cycle During Suspend/Wakeup Sequence spartan6" xil_pn:value="5" xil_pn:valueState="default"/>
+ <property xil_pn:name="Generate Architecture Only (No Entity Declaration)" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Generate Asynchronous Delay Report" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Generate Clock Region Report" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Generate Constraints Interaction Report" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Generate Constraints Interaction Report Post Trace" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Generate Datasheet Section" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Generate Datasheet Section Post Trace" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Generate Detailed MAP Report" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Generate Multiple Hierarchical Netlist Files" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Generate Post-Place &amp; Route Power Report" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Generate Post-Place &amp; Route Simulation Model" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Generate RTL Schematic" xil_pn:value="Yes" xil_pn:valueState="default"/>
+ <property xil_pn:name="Generate SAIF File for Power Optimization/Estimation Par" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Generate Testbench File" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Generate Timegroups Section" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Generate Timegroups Section Post Trace" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Generics, Parameters" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Global Optimization Goal" xil_pn:value="AllClockNets" xil_pn:valueState="default"/>
+ <property xil_pn:name="Global Optimization map spartan6" xil_pn:value="Off" xil_pn:valueState="default"/>
+ <property xil_pn:name="Global Set/Reset Port Name" xil_pn:value="GSR_PORT" xil_pn:valueState="default"/>
+ <property xil_pn:name="Global Tristate Port Name" xil_pn:value="GTS_PORT" xil_pn:valueState="default"/>
+ <property xil_pn:name="Hierarchy Separator" xil_pn:value="/" xil_pn:valueState="default"/>
+ <property xil_pn:name="ISim UUT Instance Name" xil_pn:value="UUT" xil_pn:valueState="default"/>
+ <property xil_pn:name="Ignore User Timing Constraints Map" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Ignore User Timing Constraints Par" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Implementation Top" xil_pn:value="Module|novena_top" xil_pn:valueState="non-default"/>
+ <property xil_pn:name="Implementation Top File" xil_pn:value="../rtl/novena_i2c.v" xil_pn:valueState="non-default"/>
+ <property xil_pn:name="Implementation Top Instance Path" xil_pn:value="/novena_top" xil_pn:valueState="non-default"/>
+ <property xil_pn:name="Include 'uselib Directive in Verilog File" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Include SIMPRIM Models in Verilog File" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Include UNISIM Models in Verilog File" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Include sdf_annotate task in Verilog File" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Incremental Compilation" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Insert Buffers to Prevent Pulse Swallowing" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Instantiation Template Target Language Xps" xil_pn:value="Verilog" xil_pn:valueState="default"/>
+ <property xil_pn:name="JTAG Pin TCK" xil_pn:value="Pull Up" xil_pn:valueState="default"/>
+ <property xil_pn:name="JTAG Pin TDI" xil_pn:value="Pull Up" xil_pn:valueState="default"/>
+ <property xil_pn:name="JTAG Pin TDO" xil_pn:value="Pull Up" xil_pn:valueState="default"/>
+ <property xil_pn:name="JTAG Pin TMS" xil_pn:value="Pull Up" xil_pn:valueState="default"/>
+ <property xil_pn:name="Keep Hierarchy" xil_pn:value="No" xil_pn:valueState="default"/>
+ <property xil_pn:name="LUT Combining Map" xil_pn:value="Off" xil_pn:valueState="default"/>
+ <property xil_pn:name="LUT Combining Xst" xil_pn:value="Auto" xil_pn:valueState="default"/>
+ <property xil_pn:name="Language" xil_pn:value="VHDL" xil_pn:valueState="default"/>
+ <property xil_pn:name="Last Applied Goal" xil_pn:value="Balanced" xil_pn:valueState="default"/>
+ <property xil_pn:name="Last Applied Strategy" xil_pn:value="Xilinx Default (unlocked)" xil_pn:valueState="default"/>
+ <property xil_pn:name="Last Unlock Status" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Launch SDK after Export" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Library for Verilog Sources" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Load glbl" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Manual Implementation Compile Order" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Map Slice Logic into Unused Block RAMs" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Mask Pins for Multi-Pin Wake-Up Suspend Mode spartan6" xil_pn:value="0x00" xil_pn:valueState="default"/>
+ <property xil_pn:name="Max Fanout" xil_pn:value="100000" xil_pn:valueState="default"/>
+ <property xil_pn:name="Maximum Compression" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Maximum Number of Lines in Report" xil_pn:value="1000" xil_pn:valueState="default"/>
+ <property xil_pn:name="Maximum Signal Name Length" xil_pn:value="20" xil_pn:valueState="default"/>
+ <property xil_pn:name="Move First Flip-Flop Stage" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Move Last Flip-Flop Stage" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="MultiBoot: Insert IPROG CMD in the Bitfile spartan6" xil_pn:value="Enable" xil_pn:valueState="default"/>
+ <property xil_pn:name="MultiBoot: Next Configuration Mode spartan6" xil_pn:value="001" xil_pn:valueState="default"/>
+ <property xil_pn:name="MultiBoot: Starting Address for Golden Configuration spartan6" xil_pn:value="0x00000000" xil_pn:valueState="default"/>
+ <property xil_pn:name="MultiBoot: Starting Address for Next Configuration spartan6" xil_pn:value="0x00000000" xil_pn:valueState="default"/>
+ <property xil_pn:name="MultiBoot: Use New Mode for Next Configuration spartan6" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="MultiBoot: User-Defined Register for Failsafe Scheme spartan6" xil_pn:value="0x0000" xil_pn:valueState="default"/>
+ <property xil_pn:name="Netlist Hierarchy" xil_pn:value="As Optimized" xil_pn:valueState="default"/>
+ <property xil_pn:name="Netlist Translation Type" xil_pn:value="Timestamp" xil_pn:valueState="default"/>
+ <property xil_pn:name="Number of Clock Buffers" xil_pn:value="16" xil_pn:valueState="default"/>
+ <property xil_pn:name="Number of Paths in Error/Verbose Report" xil_pn:value="3" xil_pn:valueState="default"/>
+ <property xil_pn:name="Number of Paths in Error/Verbose Report Post Trace" xil_pn:value="3" xil_pn:valueState="default"/>
+ <property xil_pn:name="Optimization Effort spartan6" xil_pn:value="Normal" xil_pn:valueState="default"/>
+ <property xil_pn:name="Optimization Goal" xil_pn:value="Speed" xil_pn:valueState="default"/>
+ <property xil_pn:name="Optimize Instantiated Primitives" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Other Bitgen Command Line Options" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Other Bitgen Command Line Options spartan6" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Other Compiler Options" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Other Compiler Options Map" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Other Compiler Options Par" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Other Compiler Options Translate" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Other Compxlib Command Line Options" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Other Map Command Line Options" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Other NETGEN Command Line Options" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Other Ngdbuild Command Line Options" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Other Place &amp; Route Command Line Options" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Other Simulator Commands Behavioral" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Other Simulator Commands Post-Map" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Other Simulator Commands Post-Route" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Other Simulator Commands Post-Translate" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Other XPWR Command Line Options" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Other XST Command Line Options" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Output Extended Identifiers" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Output File Name" xil_pn:value="novena_top" xil_pn:valueState="default"/>
+ <property xil_pn:name="Overwrite Compiled Libraries" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Pack I/O Registers into IOBs" xil_pn:value="Auto" xil_pn:valueState="default"/>
+ <property xil_pn:name="Pack I/O Registers/Latches into IOBs" xil_pn:value="Off" xil_pn:valueState="default"/>
+ <property xil_pn:name="Package" xil_pn:value="csg324" xil_pn:valueState="non-default"/>
+ <property xil_pn:name="Perform Advanced Analysis" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Perform Advanced Analysis Post Trace" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Perform Timing-Driven Packing and Placement" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Place &amp; Route Effort Level (Overall)" xil_pn:value="High" xil_pn:valueState="default"/>
+ <property xil_pn:name="Place And Route Mode" xil_pn:value="Normal Place and Route" xil_pn:valueState="default"/>
+ <property xil_pn:name="Place MultiBoot Settings into Bitstream spartan6" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Placer Effort Level Map" xil_pn:value="High" xil_pn:valueState="default"/>
+ <property xil_pn:name="Placer Extra Effort Map" xil_pn:value="None" xil_pn:valueState="default"/>
+ <property xil_pn:name="Port to be used" xil_pn:value="Auto - default" xil_pn:valueState="default"/>
+ <property xil_pn:name="Post Map Simulation Model Name" xil_pn:value="novena_top_map.v" xil_pn:valueState="default"/>
+ <property xil_pn:name="Post Place &amp; Route Simulation Model Name" xil_pn:value="novena_top_timesim.v" xil_pn:valueState="default"/>
+ <property xil_pn:name="Post Synthesis Simulation Model Name" xil_pn:value="novena_top_synthesis.v" xil_pn:valueState="default"/>
+ <property xil_pn:name="Post Translate Simulation Model Name" xil_pn:value="novena_top_translate.v" xil_pn:valueState="default"/>
+ <property xil_pn:name="Power Reduction Map spartan6" xil_pn:value="Off" xil_pn:valueState="default"/>
+ <property xil_pn:name="Power Reduction Par" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Power Reduction Xst" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Preferred Language" xil_pn:value="Verilog" xil_pn:valueState="default"/>
+ <property xil_pn:name="Produce Verbose Report" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Project Description" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Property Specification in Project File" xil_pn:value="Store all values" xil_pn:valueState="default"/>
+ <property xil_pn:name="RAM Extraction" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="RAM Style" xil_pn:value="Auto" xil_pn:valueState="default"/>
+ <property xil_pn:name="ROM Extraction" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="ROM Style" xil_pn:value="Auto" xil_pn:valueState="default"/>
+ <property xil_pn:name="Read Cores" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Reduce Control Sets" xil_pn:value="Auto" xil_pn:valueState="default"/>
+ <property xil_pn:name="Regenerate Core" xil_pn:value="Under Current Project Setting" xil_pn:valueState="default"/>
+ <property xil_pn:name="Register Balancing" xil_pn:value="No" xil_pn:valueState="default"/>
+ <property xil_pn:name="Register Duplication Map" xil_pn:value="Off" xil_pn:valueState="default"/>
+ <property xil_pn:name="Register Duplication Xst" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Register Ordering spartan6" xil_pn:value="4" xil_pn:valueState="default"/>
+ <property xil_pn:name="Release Write Enable (Output Events)" xil_pn:value="Default (6)" xil_pn:valueState="default"/>
+ <property xil_pn:name="Rename Design Instance in Testbench File to" xil_pn:value="UUT" xil_pn:valueState="default"/>
+ <property xil_pn:name="Rename Top Level Architecture To" xil_pn:value="Structure" xil_pn:valueState="default"/>
+ <property xil_pn:name="Rename Top Level Entity to" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Rename Top Level Module To" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Report Fastest Path(s) in Each Constraint" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Report Fastest Path(s) in Each Constraint Post Trace" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Report Paths by Endpoint" xil_pn:value="3" xil_pn:valueState="default"/>
+ <property xil_pn:name="Report Paths by Endpoint Post Trace" xil_pn:value="3" xil_pn:valueState="default"/>
+ <property xil_pn:name="Report Type" xil_pn:value="Verbose Report" xil_pn:valueState="default"/>
+ <property xil_pn:name="Report Type Post Trace" xil_pn:value="Verbose Report" xil_pn:valueState="default"/>
+ <property xil_pn:name="Report Unconstrained Paths" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Report Unconstrained Paths Post Trace" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Reset On Configuration Pulse Width" xil_pn:value="100" xil_pn:valueState="default"/>
+ <property xil_pn:name="Resource Sharing" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Retain Hierarchy" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Retry Configuration if CRC Error Occurs spartan6" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Revision Select" xil_pn:value="00" xil_pn:valueState="default"/>
+ <property xil_pn:name="Revision Select Tristate" xil_pn:value="Disable" xil_pn:valueState="default"/>
+ <property xil_pn:name="Run Design Rules Checker (DRC)" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Run for Specified Time" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Run for Specified Time Map" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Run for Specified Time Par" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Run for Specified Time Translate" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Safe Implementation" xil_pn:value="No" xil_pn:valueState="default"/>
+ <property xil_pn:name="Security" xil_pn:value="Enable Readback and Reconfiguration" xil_pn:valueState="default"/>
+ <property xil_pn:name="Selected Simulation Root Source Node Behavioral" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Selected Simulation Root Source Node Post-Map" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Selected Simulation Root Source Node Post-Route" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Selected Simulation Root Source Node Post-Translate" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Selected Simulation Source Node" xil_pn:value="UUT" xil_pn:valueState="default"/>
+ <property xil_pn:name="Set SPI Configuration Bus Width spartan6" xil_pn:value="1" xil_pn:valueState="default"/>
+ <property xil_pn:name="Setup External Master Clock Division spartan6" xil_pn:value="1" xil_pn:valueState="default"/>
+ <property xil_pn:name="Shift Register Extraction" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Shift Register Minimum Size spartan6" xil_pn:value="2" xil_pn:valueState="default"/>
+ <property xil_pn:name="Show All Models" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Simulation Model Target" xil_pn:value="Verilog" xil_pn:valueState="default"/>
+ <property xil_pn:name="Simulation Run Time ISim" xil_pn:value="1000 ns" xil_pn:valueState="default"/>
+ <property xil_pn:name="Simulation Run Time Map" xil_pn:value="1000 ns" xil_pn:valueState="default"/>
+ <property xil_pn:name="Simulation Run Time Par" xil_pn:value="1000 ns" xil_pn:valueState="default"/>
+ <property xil_pn:name="Simulation Run Time Translate" xil_pn:value="1000 ns" xil_pn:valueState="default"/>
+ <property xil_pn:name="Simulator" xil_pn:value="ISim (VHDL/Verilog)" xil_pn:valueState="default"/>
+ <property xil_pn:name="Slice Utilization Ratio" xil_pn:value="100" xil_pn:valueState="default"/>
+ <property xil_pn:name="Specify 'define Macro Name and Value" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Specify Top Level Instance Names Behavioral" xil_pn:value="Default" xil_pn:valueState="default"/>
+ <property xil_pn:name="Specify Top Level Instance Names Post-Map" xil_pn:value="Default" xil_pn:valueState="default"/>
+ <property xil_pn:name="Specify Top Level Instance Names Post-Route" xil_pn:value="Default" xil_pn:valueState="default"/>
+ <property xil_pn:name="Specify Top Level Instance Names Post-Translate" xil_pn:value="Default" xil_pn:valueState="default"/>
+ <property xil_pn:name="Speed Grade" xil_pn:value="-3" xil_pn:valueState="default"/>
+ <property xil_pn:name="Starting Placer Cost Table (1-100) Map spartan6" xil_pn:value="1" xil_pn:valueState="default"/>
+ <property xil_pn:name="Synthesis Tool" xil_pn:value="XST (VHDL/Verilog)" xil_pn:valueState="default"/>
+ <property xil_pn:name="Target Simulator" xil_pn:value="Please Specify" xil_pn:valueState="default"/>
+ <property xil_pn:name="Timing Mode Map" xil_pn:value="Performance Evaluation" xil_pn:valueState="default"/>
+ <property xil_pn:name="Timing Mode Par" xil_pn:value="Performance Evaluation" xil_pn:valueState="default"/>
+ <property xil_pn:name="Top-Level Module Name in Output Netlist" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Top-Level Source Type" xil_pn:value="HDL" xil_pn:valueState="default"/>
+ <property xil_pn:name="Trim Unconnected Signals" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Tristate On Configuration Pulse Width" xil_pn:value="0" xil_pn:valueState="default"/>
+ <property xil_pn:name="Unused IOB Pins" xil_pn:value="Pull Down" xil_pn:valueState="default"/>
+ <property xil_pn:name="Use 64-bit PlanAhead on 64-bit Systems" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Use Clock Enable" xil_pn:value="Auto" xil_pn:valueState="default"/>
+ <property xil_pn:name="Use Custom Project File Behavioral" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Use Custom Project File Post-Map" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Use Custom Project File Post-Route" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Use Custom Project File Post-Translate" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Use Custom Simulation Command File Behavioral" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Use Custom Simulation Command File Map" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Use Custom Simulation Command File Par" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Use Custom Simulation Command File Translate" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Use Custom Waveform Configuration File Behav" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Use Custom Waveform Configuration File Map" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Use Custom Waveform Configuration File Par" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Use Custom Waveform Configuration File Translate" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Use DSP Block spartan6" xil_pn:value="Auto" xil_pn:valueState="default"/>
+ <property xil_pn:name="Use LOC Constraints" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="Use RLOC Constraints" xil_pn:value="Yes" xil_pn:valueState="default"/>
+ <property xil_pn:name="Use Smart Guide" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Use Synchronous Reset" xil_pn:value="Auto" xil_pn:valueState="default"/>
+ <property xil_pn:name="Use Synchronous Set" xil_pn:value="Auto" xil_pn:valueState="default"/>
+ <property xil_pn:name="Use Synthesis Constraints File" xil_pn:value="true" xil_pn:valueState="default"/>
+ <property xil_pn:name="UserID Code (8 Digit Hexadecimal)" xil_pn:value="0xFFFFFFFF" xil_pn:valueState="default"/>
+ <property xil_pn:name="VCCAUX Voltage Level spartan6" xil_pn:value="2.5V" xil_pn:valueState="default"/>
+ <property xil_pn:name="VHDL Source Analysis Standard" xil_pn:value="VHDL-93" xil_pn:valueState="default"/>
+ <property xil_pn:name="Value Range Check" xil_pn:value="false" xil_pn:valueState="default"/>
+ <property xil_pn:name="Verilog Macros" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="Wait for DCM and PLL Lock (Output Events) spartan6" xil_pn:value="Default (NoWait)" xil_pn:valueState="default"/>
+ <property xil_pn:name="Wakeup Clock spartan6" xil_pn:value="Startup Clock" xil_pn:valueState="default"/>
+ <property xil_pn:name="Watchdog Timer Value spartan6" xil_pn:value="0xFFFF" xil_pn:valueState="default"/>
+ <property xil_pn:name="Working Directory" xil_pn:value="." xil_pn:valueState="non-default"/>
+ <property xil_pn:name="Write Timing Constraints" xil_pn:value="false" xil_pn:valueState="default"/>
+ <!-- -->
+ <!-- The following properties are for internal use only. These should not be modified.-->
+ <!-- -->
+ <property xil_pn:name="PROP_BehavioralSimTop" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="PROP_DesignName" xil_pn:value="novena_i2c" xil_pn:valueState="non-default"/>
+ <property xil_pn:name="PROP_DevFamilyPMName" xil_pn:value="spartan6" xil_pn:valueState="default"/>
+ <property xil_pn:name="PROP_FPGAConfiguration" xil_pn:value="FPGAConfiguration" xil_pn:valueState="default"/>
+ <property xil_pn:name="PROP_PostMapSimTop" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="PROP_PostParSimTop" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="PROP_PostSynthSimTop" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="PROP_PostXlateSimTop" xil_pn:value="" xil_pn:valueState="default"/>
+ <property xil_pn:name="PROP_PreSynthesis" xil_pn:value="PreSynthesis" xil_pn:valueState="default"/>
+ <property xil_pn:name="PROP_intProjectCreationTimestamp" xil_pn:value="2015-02-18T13:38:00" xil_pn:valueState="non-default"/>
+ <property xil_pn:name="PROP_intWbtProjectID" xil_pn:value="884D55DDED613BF5E3BBF7BC051A0A88" xil_pn:valueState="non-default"/>
+ <property xil_pn:name="PROP_intWorkingDirLocWRTProjDir" xil_pn:value="Same" xil_pn:valueState="non-default"/>
+ <property xil_pn:name="PROP_intWorkingDirUsed" xil_pn:value="No" xil_pn:valueState="non-default"/>
+ </properties>
+
+ <bindings/>
+
+ <libraries/>
+
+ <autoManagedFiles>
+ <!-- The following files are identified by `include statements in verilog -->
+ <!-- source files and are automatically managed by Project Navigator. -->
+ <!-- -->
+ <!-- Do not hand-edit this section, as it will be overwritten when the -->
+ <!-- project is analyzed based on files automatically identified as -->
+ <!-- include files. -->
+ </autoManagedFiles>
+
+</project>
diff --git a/i2c/rtl/novena_i2c.v b/i2c/rtl/novena_i2c.v
new file mode 100644
index 0000000..1cb47a0
--- /dev/null
+++ b/i2c/rtl/novena_i2c.v
@@ -0,0 +1,221 @@
+//======================================================================
+//
+// novena_top.v
+// ------------
+// Top module for the Cryptech Novena FPGA framework with the I2C bus.
+//
+//
+// Author: Pavel Shatov
+// Copyright (c) 2015, NORDUnet A/S All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// - Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//
+// - Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+//
+// - Neither the name of the NORDUnet nor the names of its contributors may
+// be used to endorse or promote products derived from this software
+// without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+// IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+// PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+//======================================================================
+
+module novena_top
+ (
+ // Differential input for 50 MHz general clock.
+ input wire gclk_p_pin,
+ input wire gclk_n_pin,
+
+ // Reset controlled by the CPU.
+ // this must be configured as input w/pullup
+ input wire reset_mcu_b_pin,
+
+ // Cryptech avalanche noise board input and LED outputs
+ input wire ct_noise,
+ output wire [7 : 0] ct_led,
+
+ // I2C interface
+ input wire i2c_scl,
+ inout wire i2c_sda,
+
+ // Novena utility ports
+ output wire apoptosis_pin, // Hold low to not restart after config.
+ output wire led_pin // LED on edge close to the FPGA.
+ );
+
+
+ //----------------------------------------------------------------
+ // Clock Manager
+ //
+ // Clock manager is used to generate SYS_CLK from GCLK
+ // and implement the reset logic.
+ // ----------------------------------------------------------------
+ wire sys_clk;
+ wire sys_rst;
+
+ novena_clkmgr clkmgr
+ (
+ .gclk_p(gclk_p_pin),
+ .gclk_n(gclk_n_pin),
+
+ .reset_mcu_b(reset_mcu_b_pin),
+
+ .sys_clk(sys_clk),
+ .sys_rst(sys_rst)
+ );
+
+
+ //----------------------------------------------------------------
+ // I2C Interface
+ //
+ // I2C subsystem handles all data transfer to/from CPU via I2C bus.
+ //----------------------------------------------------------------
+ parameter I2C_DEVICE_ADDR = 7'h0f;
+
+ wire [16: 0] sys_eim_addr;
+ wire sys_eim_wr;
+ wire sys_eim_rd;
+
+ wire sda_pd;
+ wire sda_int;
+
+ wire clk = sys_clk;
+ wire reset_n = ~sys_rst;
+
+ // Coretest connections.
+ wire coretest_reset_n;
+ wire coretest_cs;
+ wire coretest_we;
+ wire [15 : 0] coretest_address;
+ wire [31 : 0] coretest_write_data;
+ wire [31 : 0] coretest_read_data;
+
+ // I2C connections
+ wire [6:0] i2c_device_addr;
+ wire i2c_rxd_syn;
+ wire [7 : 0] i2c_rxd_data;
+ wire i2c_rxd_ack;
+ wire i2c_txd_syn;
+ wire [7 : 0] i2c_txd_data;
+ wire i2c_txd_ack;
+
+ IOBUF #(.DRIVE(8), .SLEW("SLOW"))
+ IOBUF_sda (
+ .IO(i2c_sda),
+ .I(1'b0),
+ .T(!sda_pd),
+ .O(sda_int)
+ );
+
+ i2c_core i2c_core
+ (
+ .clk(clk),
+ .reset(sys_rst),
+
+ // External data interface
+ .SCL(i2c_scl),
+ .SDA(sda_int),
+ .SDA_pd(sda_pd),
+ .i2c_device_addr(i2c_device_addr),
+
+ // Internal receive interface.
+ .rxd_syn(i2c_rxd_syn),
+ .rxd_data(i2c_rxd_data),
+ .rxd_ack(i2c_rxd_ack),
+
+ // Internal transmit interface.
+ .txd_syn(i2c_txd_syn),
+ .txd_data(i2c_txd_data),
+ .txd_ack(i2c_txd_ack)
+ );
+
+ coretest coretest
+ (
+ .clk(clk),
+ .reset_n(reset_n),
+
+ .rx_syn(i2c_rxd_syn),
+ .rx_data(i2c_rxd_data),
+ .rx_ack(i2c_rxd_ack),
+
+ .tx_syn(i2c_txd_syn),
+ .tx_data(i2c_txd_data),
+ .tx_ack(i2c_txd_ack),
+
+ // Interface to the core being tested.
+ .core_reset_n(coretest_reset_n),
+ .core_cs(coretest_cs),
+ .core_we(coretest_we),
+ .core_address(coretest_address),
+ .core_write_data(coretest_write_data),
+ .core_read_data(coretest_read_data)
+ );
+
+ wire select = (i2c_device_addr == I2C_DEVICE_ADDR);
+ assign sys_eim_addr = { coretest_address[15:13], 1'b0, coretest_address[12:0] };
+ assign sys_eim_wr = select & coretest_cs & coretest_we;
+ assign sys_eim_rd = select & coretest_cs & ~coretest_we;
+
+
+ //----------------------------------------------------------------
+ // Core Selector
+ //
+ // This multiplexer is used to map different types of cores, such as
+ // hashes, RNGs and ciphers to different regions (segments) of memory.
+ //----------------------------------------------------------------
+ core_selector cores
+ (
+ .sys_clk(clk),
+ .sys_rst(sys_rst),
+
+ .sys_eim_addr(sys_eim_addr),
+ .sys_eim_wr(sys_eim_wr),
+ .sys_eim_rd(sys_eim_rd),
+
+ .sys_write_data(coretest_write_data),
+ .sys_read_data(coretest_read_data)
+ );
+
+
+ //----------------------------------------------------------------
+ // Cryptech Logic
+ //
+ // Logic specific to the Cryptech use of the Novena.
+ // Currently we just hard wire the LED outputs.
+ //----------------------------------------------------------------
+ assign ct_led = {8{ct_noise}};
+
+
+ //----------------------------------------------------------------
+ // Novena Patch
+ //
+ // Patch logic to keep the Novena board happy.
+ // The apoptosis_pin pin must be kept low or the whole board
+ // (more exactly the CPU) will be reset after the FPGA has
+ // been configured.
+ //----------------------------------------------------------------
+ assign apoptosis_pin = 1'b0;
+
+ assign led_pin = 1'b1;
+
+endmodule
+
+//======================================================================
+// EOF novena_top.v
+//======================================================================
diff --git a/i2c/rtl/novena_regs.v b/i2c/rtl/novena_regs.v
new file mode 100644
index 0000000..f14e113
--- /dev/null
+++ b/i2c/rtl/novena_regs.v
@@ -0,0 +1,129 @@
+//======================================================================
+//
+// novena_regs.v
+// -------------
+// Global registers for the Cryptech Novena FPGA framework.
+//
+//
+// Author: Pavel Shatov
+// Copyright (c) 2015, NORDUnet A/S All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// - Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//
+// - Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+//
+// - Neither the name of the NORDUnet nor the names of its contributors may
+// be used to endorse or promote products derived from this software
+// without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+// IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+// PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+//======================================================================
+
+`timescale 1ns / 1ps
+
+module board_regs
+ (
+ input wire clk,
+ input wire rst,
+
+ input wire cs,
+ input wire we,
+
+ input wire [ 7 : 0] address,
+ input wire [31 : 0] write_data,
+ output wire [31 : 0] read_data
+ );
+
+
+ //----------------------------------------------------------------
+ // Internal constant and parameter definitions.
+ //----------------------------------------------------------------
+ // API addresses.
+ localparam ADDR_CORE_NAME0 = 8'h00;
+ localparam ADDR_CORE_NAME1 = 8'h01;
+ localparam ADDR_CORE_VERSION = 8'h02;
+ localparam ADDR_DUMMY_REG = 8'hFF; // general-purpose register
+
+ // Core ID constants.
+ localparam CORE_NAME0 = 32'h50565431; // "PVT1"
+ localparam CORE_NAME1 = 32'h20202020; // " "
+ localparam CORE_VERSION = 32'h302e3130; // "0.10"
+
+
+ //----------------------------------------------------------------
+ // Wires.
+ //----------------------------------------------------------------
+ reg [31: 0] tmp_read_data;
+
+ // dummy register to check that you can actually write something
+ reg [31: 0] reg_dummy;
+
+
+ //----------------------------------------------------------------
+ // Concurrent connectivity for ports etc.
+ //----------------------------------------------------------------
+ assign read_data = tmp_read_data;
+
+
+ //----------------------------------------------------------------
+ // Access Handler
+ //----------------------------------------------------------------
+ always @(posedge clk)
+ //
+ if (rst)
+ reg_dummy <= {32{1'b0}};
+ else if (cs) begin
+ //
+ if (we) begin
+ //
+ // WRITE handler
+ //
+ case (address)
+ ADDR_DUMMY_REG:
+ reg_dummy <= write_data;
+ endcase
+ //
+ end else begin
+ //
+ // READ handler
+ //
+ case (address)
+ ADDR_CORE_NAME0:
+ tmp_read_data <= CORE_NAME0;
+ ADDR_CORE_NAME1:
+ tmp_read_data <= CORE_NAME1;
+ ADDR_CORE_VERSION:
+ tmp_read_data <= CORE_VERSION;
+ ADDR_DUMMY_REG:
+ tmp_read_data <= reg_dummy;
+ //
+ default:
+ tmp_read_data <= {32{1'b0}}; // read non-existent locations as zeroes
+ endcase
+ //
+ end
+ //
+ end
+
+endmodule
+
+//======================================================================
+// EOF novena_regs.v
+//======================================================================
diff --git a/i2c/sw/Makefile b/i2c/sw/Makefile
new file mode 100755
index 0000000..0142c92
--- /dev/null
+++ b/i2c/sw/Makefile
@@ -0,0 +1,7 @@
+all: hash_tester_i2c
+
+hash_tester_i2c: hash_tester_i2c.c
+ gcc -Wall -o $@ $^
+
+clean:
+ rm -f hash_tester_i2c
diff --git a/i2c/sw/hash_tester_i2c.c b/i2c/sw/hash_tester_i2c.c
new file mode 100644
index 0000000..f1c6fb4
--- /dev/null
+++ b/i2c/sw/hash_tester_i2c.c
@@ -0,0 +1,1030 @@
+/*
+ * hash_tester.c
+ * --------------
+ * This program sends several commands to the coretest_hashes subsystem
+ * in order to verify the SHA-1, SHA-256 and SHA-512/x hash function
+ * cores.
+ *
+ * Note: This version of the program talks to the FPGA over an I2C bus.
+ *
+ * The single and dual block test cases are taken from the
+ * NIST KAT document:
+ * http://csrc.nist.gov/groups/ST/toolkit/documents/Examples/SHA_All.pdf
+ *
+ *
+ * Authors: Joachim Strömbergson, Paul Selkirk
+ * Copyright (c) 2014, SUNET
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <sys/mman.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <time.h>
+#include <linux/i2c-dev.h>
+#include <sys/ioctl.h>
+#include <arpa/inet.h>
+#include <ctype.h>
+
+/* I2C configuration */
+#define I2C_dev "/dev/i2c-2"
+#define I2C_addr 0x0f
+
+/* command codes */
+#define SOC 0x55
+#define EOC 0xaa
+#define READ_CMD 0x10
+#define WRITE_CMD 0x11
+#define RESET_CMD 0x01
+
+/* response codes */
+#define SOR 0xaa
+#define EOR 0x55
+#define READ_OK 0x7f
+#define WRITE_OK 0x7e
+#define RESET_OK 0x7d
+#define UNKNOWN 0xfe
+#define ERROR 0xfd
+
+#define SEGMENT_OFFSET_GLOBALS 0x00
+#define SEGMENT_OFFSET_HASHES 0x20
+#define SEGMENT_OFFSET_RNGS 0x40
+#define SEGMENT_OFFSET_CIPHERS 0x60
+
+/* addresses and codes common to all cores */
+#define ADDR_NAME0 0x00
+#define ADDR_NAME1 0x01
+#define ADDR_VERSION 0x02
+
+/* At segment 0, we have board-level register and communication channel registers */
+#define BOARD_ADDR_PREFIX SEGMENT_OFFSET_GLOBALS + 0x00
+#define BOARD_ADDR_DUMMY 0xFF
+
+#define COMM_ADDR_PREFIX SEGMENT_OFFSET_GLOBALS + 0x01
+
+/* addresses and codes common to all hash cores */
+#define ADDR_CTRL 0x08
+#define CTRL_INIT_CMD 1
+#define CTRL_NEXT_CMD 2
+#define ADDR_STATUS 0x09
+#define STATUS_READY_BIT 1
+#define STATUS_VALID_BIT 2
+
+/* addresses and codes for the specific hash cores */
+#define SHA1_ADDR_PREFIX SEGMENT_OFFSET_HASHES + 0x00
+#define SHA1_ADDR_BLOCK 0x10
+#define SHA1_BLOCK_LEN 16
+#define SHA1_ADDR_DIGEST 0x20
+#define SHA1_DIGEST_LEN 5
+
+#define SHA256_ADDR_PREFIX SEGMENT_OFFSET_HASHES + 0x01
+#define SHA256_ADDR_BLOCK 0x10
+#define SHA256_BLOCK_LEN 16
+#define SHA256_ADDR_DIGEST 0x20
+#define SHA256_DIGEST_LEN 8
+
+#define SHA512_ADDR_PREFIX SEGMENT_OFFSET_HASHES + 0x02
+#define SHA512_CTRL_MODE_LOW 2
+#define SHA512_CTRL_MODE_HIGH 3
+#define SHA512_ADDR_BLOCK 0x10
+#define SHA512_BLOCK_LEN 32
+#define SHA512_ADDR_DIGEST 0x40
+#define SHA512_DIGEST_LEN 16
+#define MODE_SHA_512_224 0
+#define MODE_SHA_512_256 1
+#define MODE_SHA_384 2
+#define MODE_SHA_512 3
+
+int i2cfd;
+int debug = 0;
+
+/* SHA-1/SHA-256 One Block Message Sample
+ Input Message: "abc" */
+const uint32_t NIST_512_SINGLE[] =
+{ 0x61626380, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000018 };
+
+const uint32_t SHA1_SINGLE_DIGEST[] =
+{ 0xa9993e36, 0x4706816a, 0xba3e2571, 0x7850c26c,
+ 0x9cd0d89d };
+
+const uint32_t SHA256_SINGLE_DIGEST[] =
+{ 0xBA7816BF, 0x8F01CFEA, 0x414140DE, 0x5DAE2223,
+ 0xB00361A3, 0x96177A9C, 0xB410FF61, 0xF20015AD };
+
+/* SHA-1/SHA-256 Two Block Message Sample
+ Input Message: "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" */
+const uint32_t NIST_512_DOUBLE0[] =
+{ 0x61626364, 0x62636465, 0x63646566, 0x64656667,
+ 0x65666768, 0x66676869, 0x6768696A, 0x68696A6B,
+ 0x696A6B6C, 0x6A6B6C6D, 0x6B6C6D6E, 0x6C6D6E6F,
+ 0x6D6E6F70, 0x6E6F7071, 0x80000000, 0x00000000 };
+const uint32_t NIST_512_DOUBLE1[] =
+{ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x000001C0 };
+
+const uint32_t SHA1_DOUBLE_DIGEST[] =
+{ 0x84983E44, 0x1C3BD26E, 0xBAAE4AA1, 0xF95129E5,
+ 0xE54670F1 };
+
+const uint32_t SHA256_DOUBLE_DIGEST[] =
+{ 0x248D6A61, 0xD20638B8, 0xE5C02693, 0x0C3E6039,
+ 0xA33CE459, 0x64FF2167, 0xF6ECEDD4, 0x19DB06C1 };
+
+/* SHA-512 One Block Message Sample
+ Input Message: "abc" */
+const uint32_t NIST_1024_SINGLE[] =
+{ 0x61626380, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000018 };
+
+const uint32_t SHA512_224_SINGLE_DIGEST[] =
+{ 0x4634270f, 0x707b6a54, 0xdaae7530, 0x460842e2,
+ 0x0e37ed26, 0x5ceee9a4, 0x3e8924aa };
+const uint32_t SHA512_256_SINGLE_DIGEST[] =
+{ 0x53048e26, 0x81941ef9, 0x9b2e29b7, 0x6b4c7dab,
+ 0xe4c2d0c6, 0x34fc6d46, 0xe0e2f131, 0x07e7af23 };
+const uint32_t SHA384_SINGLE_DIGEST[] =
+{ 0xcb00753f, 0x45a35e8b, 0xb5a03d69, 0x9ac65007,
+ 0x272c32ab, 0x0eded163, 0x1a8b605a, 0x43ff5bed,
+ 0x8086072b, 0xa1e7cc23, 0x58baeca1, 0x34c825a7 };
+const uint32_t SHA512_SINGLE_DIGEST[] =
+{ 0xddaf35a1, 0x93617aba, 0xcc417349, 0xae204131,
+ 0x12e6fa4e, 0x89a97ea2, 0x0a9eeee6, 0x4b55d39a,
+ 0x2192992a, 0x274fc1a8, 0x36ba3c23, 0xa3feebbd,
+ 0x454d4423, 0x643ce80e, 0x2a9ac94f, 0xa54ca49f };
+
+/* SHA-512 Two Block Message Sample
+ Input Message: "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
+ "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu" */
+const uint32_t NIST_1024_DOUBLE0[] =
+{ 0x61626364, 0x65666768, 0x62636465, 0x66676869,
+ 0x63646566, 0x6768696a, 0x64656667, 0x68696a6b,
+ 0x65666768, 0x696a6b6c, 0x66676869, 0x6a6b6c6d,
+ 0x6768696a, 0x6b6c6d6e, 0x68696a6b, 0x6c6d6e6f,
+ 0x696a6b6c, 0x6d6e6f70, 0x6a6b6c6d, 0x6e6f7071,
+ 0x6b6c6d6e, 0x6f707172, 0x6c6d6e6f, 0x70717273,
+ 0x6d6e6f70, 0x71727374, 0x6e6f7071, 0x72737475,
+ 0x80000000, 0x00000000, 0x00000000, 0x00000000 };
+const uint32_t NIST_1024_DOUBLE1[] =
+{ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000380 };
+
+const uint32_t SHA512_224_DOUBLE_DIGEST[] =
+{ 0x23fec5bb, 0x94d60b23, 0x30819264, 0x0b0c4533,
+ 0x35d66473, 0x4fe40e72, 0x68674af9 };
+const uint32_t SHA512_256_DOUBLE_DIGEST[] =
+{ 0x3928e184, 0xfb8690f8, 0x40da3988, 0x121d31be,
+ 0x65cb9d3e, 0xf83ee614, 0x6feac861, 0xe19b563a };
+const uint32_t SHA384_DOUBLE_DIGEST[] =
+{ 0x09330c33, 0xf71147e8, 0x3d192fc7, 0x82cd1b47,
+ 0x53111b17, 0x3b3b05d2, 0x2fa08086, 0xe3b0f712,
+ 0xfcc7c71a, 0x557e2db9, 0x66c3e9fa, 0x91746039 };
+const uint32_t SHA512_DOUBLE_DIGEST[] =
+{ 0x8e959b75, 0xdae313da, 0x8cf4f728, 0x14fc143f,
+ 0x8f7779c6, 0xeb9f7fa1, 0x7299aead, 0xb6889018,
+ 0x501d289e, 0x4900f7e4, 0x331b99de, 0xc4b5433a,
+ 0xc7d329ee, 0xb6dd2654, 0x5e96e55b, 0x874be909 };
+
+/* ---------------- I2C low-level code ---------------- */
+int i2c_setup(char *dev, int addr)
+{
+ i2cfd = open(dev, O_RDWR);
+ if (i2cfd < 0) {
+ fprintf(stderr, "Unable to open %s: ", dev);
+ perror("");
+ i2cfd = 0;
+ return 1;
+ }
+
+ if (ioctl(i2cfd, I2C_SLAVE, addr) < 0) {
+ fprintf(stderr, "Unable to set I2C slave device 0x%02x: ", addr);
+ perror("");
+ return 1;
+ }
+
+ return 0;
+}
+
+int i2c_write(uint8_t *buf, int len)
+{
+ if (debug) {
+ int i;
+ printf("write [");
+ for (i = 0; i < len; ++i)
+ printf(" %02x", buf[i]);
+ printf(" ]\n");
+ }
+
+ if (write(i2cfd, buf, len) != len) {
+ perror("i2c write failed");
+ return 1;
+ }
+
+ return 0;
+}
+
+int i2c_read(uint8_t *b)
+{
+ /* read() on the i2c device only returns one byte at a time,
+ * and tc_get_resp() needs to parse the response one byte at a time
+ */
+ if (read(i2cfd, b, 1) != 1) {
+ perror("i2c read failed");
+ return 1;
+ }
+
+ return 0;
+}
+
+/* ---------------- test-case low-level code ---------------- */
+int tc_send_write_cmd(uint8_t addr0, uint8_t addr1, uint32_t data)
+{
+ uint8_t buf[9];
+
+ buf[0] = SOC;
+ buf[1] = WRITE_CMD;
+ buf[2] = addr0;
+ buf[3] = addr1;
+ buf[4] = (data >> 24) & 0xff;
+ buf[5] = (data >> 16) & 0xff;
+ buf[6] = (data >> 8) & 0xff;
+ buf[7] = data & 0xff;
+ buf[8] = EOC;
+
+ return i2c_write(buf, sizeof(buf));
+}
+
+int tc_send_read_cmd(uint8_t addr0, uint8_t addr1)
+{
+ uint8_t buf[5];
+
+ buf[0] = SOC;
+ buf[1] = READ_CMD;
+ buf[2] = addr0;
+ buf[3] = addr1;
+ buf[4] = EOC;
+
+ return i2c_write(buf, sizeof(buf));
+}
+
+int tc_get_resp(uint8_t *buf, int len)
+{
+ int i;
+
+ for (i = 0; i < len; ++i) {
+ if (i2c_read(&buf[i]) != 0)
+ return 1;
+ if ((i == 0) && (buf[i] != SOR)) {
+ /* we've gotten out of sync, and there's probably nothing we can do */
+ fprintf(stderr, "response byte 0: expected 0x%02x (SOR), got 0x%02x\n",
+ SOR, buf[0]);
+ return 1;
+ }
+ else if (i == 1) { /* response code */
+ switch (buf[i]) {
+ case READ_OK:
+ len = 9;
+ break;
+ case WRITE_OK:
+ len = 5;
+ break;
+ case RESET_OK:
+ len = 3;
+ break;
+ case ERROR:
+ case UNKNOWN:
+ len = 4;
+ break;
+ default:
+ /* we've gotten out of sync, and there's probably nothing we can do */
+ fprintf(stderr, "unknown response code 0x%02x\n", buf[i]);
+ return 1;
+ }
+ }
+ }
+
+ if (debug) {
+ printf("read [");
+ for (i = 0; i < len; ++i)
+ printf(" %02x", buf[i]);
+ printf(" ]\n");
+ }
+
+ return 0;
+}
+
+int tc_get_expected(uint8_t *expected, int len)
+{
+ uint8_t buf[9];
+ int i;
+
+ if (tc_get_resp(buf, sizeof(buf)) != 0)
+ return 1;
+
+ for (i = 0; i < len; ++i) {
+ if (buf[i] != expected[i]) {
+ fprintf(stderr, "response byte %d: expected 0x%02x, got 0x%02x\n",
+ i, expected[i], buf[i]);
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+int tc_get_write_resp(uint8_t addr0, uint8_t addr1)
+{
+ uint8_t expected[5];
+
+ expected[0] = SOR;
+ expected[1] = WRITE_OK;
+ expected[2] = addr0;
+ expected[3] = addr1;
+ expected[4] = EOR;
+
+ return tc_get_expected(expected, sizeof(expected));
+}
+
+int tc_get_read_resp(uint8_t addr0, uint8_t addr1, uint32_t data)
+{
+ uint8_t expected[9];
+
+ expected[0] = SOR;
+ expected[1] = READ_OK;
+ expected[2] = addr0;
+ expected[3] = addr1;
+ expected[4] = (data >> 24) & 0xff;
+ expected[5] = (data >> 16) & 0xff;
+ expected[6] = (data >> 8) & 0xff;
+ expected[7] = data & 0xff;
+ expected[8] = EOR;
+
+ return tc_get_expected(expected, sizeof(expected));
+}
+
+int tc_write(uint8_t addr0, uint8_t addr1, uint32_t data)
+{
+ return (tc_send_write_cmd(addr0, addr1, data) ||
+ tc_get_write_resp(addr0, addr1));
+}
+
+int tc_read(uint8_t addr0, uint8_t addr1, uint32_t data)
+{
+ return (tc_send_read_cmd(addr0, addr1) ||
+ tc_get_read_resp(addr0, addr1, data));
+}
+
+int tc_init(uint8_t addr0)
+{
+ return tc_write(addr0, ADDR_CTRL, CTRL_INIT_CMD);
+}
+
+int tc_next(uint8_t addr0)
+{
+ return tc_write(addr0, ADDR_CTRL, CTRL_NEXT_CMD);
+}
+
+int tc_wait(uint8_t addr0, uint8_t status)
+{
+ uint8_t buf[9];
+
+ do {
+ if (tc_send_read_cmd(addr0, ADDR_STATUS) != 0)
+ return 1;
+ if (tc_get_resp(buf, 9) != 0)
+ return 1;
+ if (buf[1] != READ_OK)
+ return 1;
+ } while ((buf[7] & status) != status);
+
+ return 0;
+}
+
+int tc_wait_ready(uint8_t addr0)
+{
+ return tc_wait(addr0, STATUS_READY_BIT);
+}
+
+int tc_wait_valid(uint8_t addr0)
+{
+ return tc_wait(addr0, STATUS_VALID_BIT);
+}
+
+/* ---------------- sanity test case ---------------- */
+
+int TC0()
+{
+ uint32_t board_name0 = 0x50565431; /* "PVT1" */
+ uint32_t board_name1 = 0x20202020; /* " " */
+ uint32_t board_version = 0x302e3130; /* "0.10" */
+
+ uint32_t comm_name0 = 0x69326320; /* "i2c " */
+ uint32_t comm_name1 = 0x20202020; /* " " */
+ uint32_t comm_version = 0x302e3130; /* "0.10" */
+
+ uint32_t t;
+
+ printf("TC0-1: Reading board type, version, and dummy reg from global registers.\n");
+
+ /* write current time into dummy register, then try to read it back
+ * to make sure that we can actually write something into I2C
+ */
+ t = time(NULL);
+ tc_write(BOARD_ADDR_PREFIX, BOARD_ADDR_DUMMY, t);
+
+ if (tc_read(BOARD_ADDR_PREFIX, ADDR_NAME0, board_name0) ||
+ tc_read(BOARD_ADDR_PREFIX, ADDR_NAME1, board_name1) ||
+ tc_read(BOARD_ADDR_PREFIX, ADDR_VERSION, board_version) ||
+ tc_read(BOARD_ADDR_PREFIX, BOARD_ADDR_DUMMY, t))
+ return 1;
+
+ printf("TC0-2: Reading name and version words from communications core.\n");
+
+ return
+ tc_read(COMM_ADDR_PREFIX, ADDR_NAME0, comm_name0) ||
+ tc_read(COMM_ADDR_PREFIX, ADDR_NAME1, comm_name1) ||
+ tc_read(COMM_ADDR_PREFIX, ADDR_VERSION, comm_version);
+}
+
+/* ---------------- SHA-1 test cases ---------------- */
+
+int sha1_read(uint8_t addr, uint32_t data)
+{
+ return tc_read(SHA1_ADDR_PREFIX, addr, data);
+}
+
+int sha1_write(uint8_t addr, uint32_t data)
+{
+ return tc_write(SHA1_ADDR_PREFIX, addr, data);
+}
+
+int sha1_init(void)
+{
+ return tc_init(SHA1_ADDR_PREFIX);
+}
+
+int sha1_next(void)
+{
+ return tc_next(SHA1_ADDR_PREFIX);
+}
+
+int sha1_wait_ready(void)
+{
+ return tc_wait_ready(SHA1_ADDR_PREFIX);
+}
+
+int sha1_wait_valid(void)
+{
+ return tc_wait_valid(SHA1_ADDR_PREFIX);
+}
+
+/* TC1: Read name and version from SHA-1 core. */
+int TC1(void)
+{
+ uint32_t name0 = 0x73686131; /* "sha1" */
+ uint32_t name1 = 0x20202020; /* " " */
+ uint32_t version = 0x302e3530; /* "0.50" */
+
+ printf("TC1: Reading name, type and version words from SHA-1 core.\n");
+
+ return
+ sha1_read(ADDR_NAME0, name0) ||
+ sha1_read(ADDR_NAME1, name1) ||
+ sha1_read(ADDR_VERSION, version);
+}
+
+/* TC2: SHA-1 Single block message test as specified by NIST. */
+int TC2(void)
+{
+ const uint32_t *block = NIST_512_SINGLE;
+ const uint32_t *expected = SHA1_SINGLE_DIGEST;
+ int i;
+
+ printf("TC2: Single block message test for SHA-1.\n");
+
+ /* Write block to SHA-1. */
+ for (i = 0; i < SHA1_BLOCK_LEN; ++i) {
+ if (sha1_write(SHA1_ADDR_BLOCK + i, block[i]) != 0)
+ return 1;
+ }
+
+ /* Start initial block hashing, wait and check status. */
+ if ((sha1_init() != 0) || (sha1_wait_valid() != 0))
+ return 1;
+
+ /* Extract the digest. */
+ for (i = 0; i < SHA1_DIGEST_LEN; ++i) {
+ if (sha1_read(SHA1_ADDR_DIGEST + i, expected[i]) != 0)
+ return 1;
+ }
+
+ return 0;
+}
+
+/* TC3: SHA-1 Double block message test as specified by NIST. */
+int TC3(void)
+{
+ const uint32_t *block[2] = { NIST_512_DOUBLE0, NIST_512_DOUBLE1 };
+ static const uint32_t block0_expected[] =
+ { 0xF4286818, 0xC37B27AE, 0x0408F581, 0x84677148, 0x4A566572 };
+ const uint32_t *expected = SHA1_DOUBLE_DIGEST;
+ int i;
+
+ printf("TC3: Double block message test for SHA-1.\n");
+
+ /* Write first block to SHA-1. */
+ for (i = 0; i < SHA1_BLOCK_LEN; ++i) {
+ if (sha1_write(SHA1_ADDR_BLOCK + i, block[0][i]) != 0)
+ return 1;
+ }
+
+ /* Start initial block hashing, wait and check status. */
+ if ((sha1_init() != 0) || (sha1_wait_valid() != 0))
+ return 1;
+
+ /* Extract the first digest. */
+ for (i = 0; i < SHA1_DIGEST_LEN; ++i) {
+ if (sha1_read(SHA1_ADDR_DIGEST + i, block0_expected[i]) != 0)
+ return 1;
+ }
+
+ /* Write second block to SHA-1. */
+ for (i = 0; i < SHA1_BLOCK_LEN; ++i) {
+ if (sha1_write(SHA1_ADDR_BLOCK + i, block[1][i]) != 0)
+ return 1;
+ }
+
+ /* Start next block hashing, wait and check status. */
+ if ((sha1_next() != 0) || (sha1_wait_valid() != 0))
+ return 1;
+
+ /* Extract the second digest. */
+ for (i = 0; i < SHA1_DIGEST_LEN; ++i) {
+ if (sha1_read(SHA1_ADDR_DIGEST + i, expected[i]) != 0)
+ return 1;
+ }
+
+ return 0;
+}
+
+/* ---------------- SHA-256 test cases ---------------- */
+
+int sha256_read(uint8_t addr, uint32_t data)
+{
+ return tc_read(SHA256_ADDR_PREFIX, addr, data);
+}
+
+int sha256_write(uint8_t addr, uint32_t data)
+{
+ return tc_write(SHA256_ADDR_PREFIX, addr, data);
+}
+
+int sha256_init(void)
+{
+ return tc_init(SHA256_ADDR_PREFIX);
+}
+
+int sha256_next(void)
+{
+ return tc_next(SHA256_ADDR_PREFIX);
+}
+
+int sha256_wait_ready(void)
+{
+ return tc_wait_ready(SHA256_ADDR_PREFIX);
+}
+
+int sha256_wait_valid(void)
+{
+ return tc_wait_valid(SHA256_ADDR_PREFIX);
+}
+
+/* TC4: Read name and version from SHA-256 core. */
+int TC4(void)
+{
+ uint32_t name0 = 0x73686132; /* "sha2" */
+ uint32_t name1 = 0x2d323536; /* "-256" */
+ uint32_t version = 0x302e3830; /* "0.80" */
+
+ printf("TC4: Reading name, type and version words from SHA-256 core.\n");
+
+ return
+ sha256_read(ADDR_NAME0, name0) ||
+ sha256_read(ADDR_NAME1, name1) ||
+ sha256_read(ADDR_VERSION, version);
+}
+
+/* TC5: SHA-256 Single block message test as specified by NIST. */
+int TC5(void)
+{
+ const uint32_t *block = NIST_512_SINGLE;
+ const uint32_t *expected = SHA256_SINGLE_DIGEST;
+ int i;
+
+ printf("TC5: Single block message test for SHA-256.\n");
+
+ /* Write block to SHA-256. */
+ for (i = 0; i < SHA256_BLOCK_LEN; ++i) {
+ if (sha256_write(SHA256_ADDR_BLOCK + i, block[i]) != 0)
+ return 1;
+ }
+
+ /* Start initial block hashing, wait and check status. */
+ if ((sha256_init() != 0) || (sha256_wait_valid() != 0))
+ return 1;
+
+ /* Extract the digest. */
+ for (i = 0; i < SHA256_DIGEST_LEN; ++i) {
+ if (sha256_read(SHA256_ADDR_DIGEST + i, expected[i]) != 0)
+ return 1;
+ }
+
+
+ return 0;
+}
+
+/* TC6: SHA-1 Double block message test as specified by NIST. */
+int TC6(void)
+{
+ const uint32_t *block[2] = { NIST_512_DOUBLE0, NIST_512_DOUBLE1 };
+ static const uint32_t block0_expected[] =
+ { 0x85E655D6, 0x417A1795, 0x3363376A, 0x624CDE5C,
+ 0x76E09589, 0xCAC5F811, 0xCC4B32C1, 0xF20E533A };
+ const uint32_t *expected = SHA256_DOUBLE_DIGEST;
+ int i;
+
+ printf("TC6: Double block message test for SHA-256.\n");
+
+ /* Write first block to SHA-256. */
+ for (i = 0; i < SHA256_BLOCK_LEN; ++i) {
+ if (sha256_write(SHA256_ADDR_BLOCK + i, block[0][i]) != 0)
+ return 1;
+ }
+
+ /* Start initial block hashing, wait and check status. */
+ if ((sha256_init() != 0) || (sha256_wait_valid() != 0))
+ return 1;
+
+ /* Extract the first digest. */
+ for (i = 0; i < SHA256_DIGEST_LEN; ++i) {
+ if (sha256_read(SHA256_ADDR_DIGEST + i, block0_expected[i]) != 0)
+ return 1;
+ }
+
+ /* Write second block to SHA-256. */
+ for (i = 0; i < SHA256_BLOCK_LEN; ++i) {
+ if (sha256_write(SHA256_ADDR_BLOCK + i, block[1][i]) != 0)
+ return 1;
+ }
+
+ /* Start next block hashing, wait and check status. */
+ if ((sha256_next() != 0) || (sha256_wait_valid() != 0))
+ return 1;
+
+ /* Extract the second digest. */
+ for (i = 0; i < SHA256_DIGEST_LEN; ++i) {
+ if (sha256_read(SHA256_ADDR_DIGEST + i, expected[i]) != 0)
+ return 1;
+ }
+
+ return 0;
+}
+
+/* TC7: SHA-256 Huge message test. */
+int TC7(void)
+{
+ static const uint32_t block[] =
+ { 0xaa55aa55, 0xdeadbeef, 0x55aa55aa, 0xf00ff00f,
+ 0xaa55aa55, 0xdeadbeef, 0x55aa55aa, 0xf00ff00f,
+ 0xaa55aa55, 0xdeadbeef, 0x55aa55aa, 0xf00ff00f,
+ 0xaa55aa55, 0xdeadbeef, 0x55aa55aa, 0xf00ff00f };
+
+ /* final digest after 1000 iterations */
+ static const uint32_t expected[] =
+ { 0x7638f3bc, 0x500dd1a6, 0x586dd4d0, 0x1a1551af,
+ 0xd821d235, 0x2f919e28, 0xd5842fab, 0x03a40f2a };
+
+ int i, n = 1000;
+
+ printf("TC7: Message with %d blocks test for SHA-256.\n", n);
+
+ /* Write first block to SHA-256. */
+ for (i = 0; i < SHA256_BLOCK_LEN; ++i) {
+ if (sha256_write( SHA256_ADDR_BLOCK + i, block[i]) != 0)
+ return 1;
+ }
+
+ /* Start initial block hashing, wait and check status. */
+ if ((sha256_init() != 0) || (sha256_wait_ready() != 0))
+ return 1;
+
+ /* First block done. Do the rest. */
+ for (i = 1; i < n; ++i) {
+ /* Start next block hashing, wait and check status. */
+ if ((sha256_next() != 0) || (sha256_wait_ready() != 0))
+ return 1;
+ }
+
+ /* XXX valid is probably set at the same time as ready */
+ if (sha256_wait_valid() != 0)
+ return 1;
+ /* Extract the final digest. */
+ for (i = 0; i < SHA256_DIGEST_LEN; ++i) {
+ if (sha256_read(SHA256_ADDR_DIGEST + i, expected[i]) != 0)
+ return 1;
+ }
+
+ return 0;
+}
+
+/* ---------------- SHA-512 test cases ---------------- */
+
+int sha512_read(uint8_t addr, uint32_t data)
+{
+ return tc_read(SHA512_ADDR_PREFIX, addr, data);
+}
+
+int sha512_write(uint8_t addr, uint32_t data)
+{
+ return tc_write(SHA512_ADDR_PREFIX, addr, data);
+}
+
+int sha512_init(uint8_t mode)
+{
+ return tc_write(SHA512_ADDR_PREFIX, ADDR_CTRL,
+ CTRL_INIT_CMD + (mode << SHA512_CTRL_MODE_LOW));
+}
+
+int sha512_next(uint8_t mode)
+{
+ return tc_write(SHA512_ADDR_PREFIX, ADDR_CTRL,
+ CTRL_NEXT_CMD + (mode << SHA512_CTRL_MODE_LOW));
+}
+
+int sha512_wait_ready(void)
+{
+ return tc_wait_ready(SHA512_ADDR_PREFIX);
+}
+
+int sha512_wait_valid(void)
+{
+ return tc_wait_valid(SHA512_ADDR_PREFIX);
+}
+
+/* TC8: Read name and version from SHA-512 core. */
+int TC8(void)
+{
+ uint32_t name0 = 0x73686132; /* "sha2" */
+ uint32_t name1 = 0x2d353132; /* "-512" */
+ uint32_t version = 0x302e3830; /* "0.80" */
+
+ printf("TC8: Reading name, type and version words from SHA-512 core.\n");
+
+ return
+ sha512_read(ADDR_NAME0, name0) ||
+ sha512_read(ADDR_NAME1, name1) ||
+ sha512_read(ADDR_VERSION, version);
+}
+
+/* TC9: SHA-512 Single block message test as specified by NIST.
+ We do this for all modes. */
+int tc9(uint8_t mode, const uint32_t *expected, int len)
+{
+ const uint32_t *block = NIST_1024_SINGLE;
+ int i;
+
+ /* Write block to SHA-512. */
+ for (i = 0; i < SHA512_BLOCK_LEN; ++i) {
+ if (sha512_write(SHA512_ADDR_BLOCK + i, block[i]) != 0)
+ return 1;
+ }
+
+ /* Start initial block hashing, wait and check status. */
+ if ((sha512_init(mode) != 0) || (sha512_wait_valid() != 0))
+ return 1;
+
+ /* Extract the digest. */
+ for (i = 0; i < len/4; ++i) {
+ if (sha512_read(SHA512_ADDR_DIGEST + i, expected[i]) != 0)
+ return 1;
+ }
+
+ return 0;
+}
+
+int TC9(void)
+{
+ printf("TC9-1: Single block message test for SHA-512/224.\n");
+ if (tc9(MODE_SHA_512_224, SHA512_224_SINGLE_DIGEST,
+ sizeof(SHA512_224_SINGLE_DIGEST)) != 0)
+ return 1;
+
+ printf("TC9-2: Single block message test for SHA-512/256.\n");
+ if (tc9(MODE_SHA_512_256, SHA512_256_SINGLE_DIGEST,
+ sizeof(SHA512_256_SINGLE_DIGEST)) != 0)
+ return 1;
+
+ printf("TC9-3: Single block message test for SHA-384.\n");
+ if (tc9(MODE_SHA_384, SHA384_SINGLE_DIGEST,
+ sizeof(SHA384_SINGLE_DIGEST)) != 0)
+ return 1;
+
+ printf("TC9-4: Single block message test for SHA-512.\n");
+ if (tc9(MODE_SHA_512, SHA512_SINGLE_DIGEST,
+ sizeof(SHA512_SINGLE_DIGEST)) != 0)
+ return 1;
+
+ return 0;
+}
+
+/* TC10: SHA-512 Double block message test as specified by NIST.
+ We do this for all modes. */
+int tc10(uint8_t mode, const uint32_t *expected, int len)
+{
+ const uint32_t *block[2] = { NIST_1024_DOUBLE0, NIST_1024_DOUBLE1 };
+ int i;
+
+ /* Write first block to SHA-512. */
+ for (i = 0; i < SHA512_BLOCK_LEN; ++i) {
+ if (sha512_write(SHA512_ADDR_BLOCK + i, block[0][i]) != 0)
+ return 1;
+ }
+
+ /* Start initial block hashing, wait and check status. */
+ if ((sha512_init(mode) != 0) || (sha512_wait_ready() != 0))
+ return 1;
+
+ /* Write second block to SHA-512. */
+ for (i = 0; i < SHA512_BLOCK_LEN; ++i) {
+ if (sha512_write(SHA512_ADDR_BLOCK + i, block[1][i]) != 0)
+ return 1;
+ }
+
+ /* Start next block hashing, wait and check status. */
+ if ((sha512_next(mode) != 0) || (sha512_wait_valid() != 0))
+ return 1;
+
+ /* Extract the digest. */
+ for (i = 0; i < len/4; ++i) {
+ if (sha512_read(SHA512_ADDR_DIGEST + i, expected[i]) != 0)
+ return 1;
+ }
+
+ return 0;
+}
+
+int TC10(void)
+{
+ printf("TC10-1: Double block message test for SHA-512/224.\n");
+ if (tc10(MODE_SHA_512_224, SHA512_224_DOUBLE_DIGEST,
+ sizeof(SHA512_224_DOUBLE_DIGEST)) != 0)
+ return 1;
+
+ printf("TC10-2: Double block message test for SHA-512/256.\n");
+ if (tc10(MODE_SHA_512_256, SHA512_256_DOUBLE_DIGEST,
+ sizeof(SHA512_256_DOUBLE_DIGEST)) != 0)
+ return 1;
+
+ printf("TC10-3: Double block message test for SHA-384.\n");
+ if (tc10(MODE_SHA_384, SHA384_DOUBLE_DIGEST,
+ sizeof(SHA384_DOUBLE_DIGEST)) != 0)
+ return 1;
+
+ printf("TC10-4: Double block message test for SHA-512.\n");
+ if (tc10(MODE_SHA_512, SHA512_DOUBLE_DIGEST,
+ sizeof(SHA512_DOUBLE_DIGEST)) != 0)
+ return 1;
+
+ return 0;
+}
+
+/* ---------------- main ---------------- */
+
+int main(int argc, char *argv[])
+{
+ typedef int (*tcfp)(void);
+ tcfp all_tests[] = { TC0, TC1, TC2, TC3, TC4, TC5, TC6, TC7, TC8, TC9, TC10 };
+ tcfp sha1_tests[] = { TC1, TC2, TC3 };
+ tcfp sha256_tests[] = { TC4, TC5, TC6, TC7 };
+ tcfp sha512_tests[] = { TC8, TC9, TC10 };
+
+ char *usage = "Usage: %s [-d] [-i I2C_device] [-a I2C_addr] tc...\n";
+ char *dev = I2C_dev;
+ int addr = I2C_addr;
+ int i, j, opt;
+
+ while ((opt = getopt(argc, argv, "h?di:a:")) != -1) {
+ switch (opt) {
+ case 'h':
+ case '?':
+ printf(usage, argv[0]);
+ return 0;
+ case 'd':
+ debug = 1;
+ break;
+ case 'i':
+ dev = optarg;
+ break;
+ case 'a':
+ addr = (int)strtol(optarg, NULL, 0);
+ if ((addr < 0x03) || (addr > 0x77)) {
+ fprintf(stderr, "addr must be between 0x03 and 0x77\n");
+ return 1;
+ }
+ break;
+ default:
+ fprintf(stderr, usage, argv[0]);
+ return 1;
+ }
+ }
+
+ if (i2c_setup(dev, addr) != 0)
+ return 1;
+
+ /* no args == run all tests */
+ if (optind >= argc) {
+ for (j = 0; j < sizeof(all_tests)/sizeof(all_tests[0]); ++j)
+ if (all_tests[j]() != 0)
+ return 1;
+ return 0;
+ }
+
+ for (i = optind; i < argc; ++i) {
+ if (strcmp(argv[i], "all") == 0) {
+ for (j = 0; j < sizeof(all_tests)/sizeof(all_tests[0]); ++j)
+ if (all_tests[j]() != 0)
+ return 1;
+ }
+ else if (strcmp(argv[i], "sha1") == 0) {
+ for (j = 0; j < sizeof(sha1_tests)/sizeof(sha1_tests[0]); ++j)
+ if (sha1_tests[j]() != 0)
+ return 1;
+ }
+ else if (strcmp(argv[i], "sha256") == 0) {
+ for (j = 0; j < sizeof(sha256_tests)/sizeof(sha256_tests[0]); ++j)
+ if (sha256_tests[j]() != 0)
+ return 1;
+ }
+ else if (strcmp(argv[i], "sha512") == 0) {
+ for (j = 0; j < sizeof(sha512_tests)/sizeof(sha512_tests[0]); ++j)
+ if (sha512_tests[j]() != 0)
+ return 1;
+ }
+ else if (isdigit(argv[i][0]) &&
+ (((j = atoi(argv[i])) >= 0) &&
+ (j < sizeof(all_tests)/sizeof(all_tests[0])))) {
+ if (all_tests[j]() != 0)
+ return 1;
+ }
+ else {
+ fprintf(stderr, "unknown test case %s\n", argv[i]);
+ return 1;
+ }
+ }
+
+ return 0;
+}
diff --git a/i2c/ucf/novena_i2c.ucf b/i2c/ucf/novena_i2c.ucf
new file mode 100644
index 0000000..02fc77e
--- /dev/null
+++ b/i2c/ucf/novena_i2c.ucf
@@ -0,0 +1,82 @@
+#======================================================================
+#
+# novena_ise.ucf
+# --------------
+# Constraint file for implementing the Cryptech Novena base
+# for the Xilinx Spartan6 LX45 on the Novena.
+#
+#
+# Author: Pavel Shatov
+# Copyright (c) 2014, NORDUnet A/S All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# - Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#
+# - Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution.
+#
+# - Neither the name of the NORDUnet nor the names of its contributors may
+# be used to endorse or promote products derived from this software
+# without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+# IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+#======================================================================
+
+#-------------------------------------------------------------------------------
+CONFIG VCCAUX = 3.3;
+#-------------------------------------------------------------------------------
+
+
+#--------------------------------------------------------------------------------
+# GCLK Timing
+#--------------------------------------------------------------------------------
+NET "gclk_p_pin" TNM_NET = TNM_gclk;
+TIMESPEC TS_gclk = PERIOD TNM_gclk 20 ns HIGH 50%;
+
+
+#-------------------------------------------------------------------------------
+# FPGA Pinout
+#-------------------------------------------------------------------------------
+NET "led_pin" LOC = "A16" | IOSTANDARD = "LVCMOS33" | SLEW = "SLOW" | DRIVE = 12;
+NET "apoptosis_pin" LOC = "K1" | IOSTANDARD = "LVCMOS33" | SLEW = "SLOW" | DRIVE = 12;
+NET "reset_mcu_b_pin" LOC = "F1" | IOSTANDARD = "LVCMOS33" | PULLUP;
+
+NET "gclk_p_pin" LOC = "H2" | IOSTANDARD = "LVDS_33" | DIFF_TERM = "TRUE";
+NET "gclk_n_pin" LOC = "H1" | IOSTANDARD = "LVDS_33" | DIFF_TERM = "TRUE";
+
+NET "i2c_scl" LOC = "P4" | IOSTANDARD = LVCMOS33;
+NET "i2c_sda" LOC = "P3" | IOSTANDARD = LVCMOS33;
+
+# Pins to the header where the LEDs on the Cryptech
+# Avalanche Noise Board are connected.
+NET "ct_led<0>" LOC = K6 | IOSTANDARD = LVCMOS33 | SLEW = SLOW;
+NET "ct_led<1>" LOC = H4 | IOSTANDARD = LVCMOS33 | SLEW = SLOW;
+NET "ct_led<2>" LOC = H3 | IOSTANDARD = LVCMOS33 | SLEW = SLOW;
+NET "ct_led<3>" LOC = M1 | IOSTANDARD = LVCMOS33 | SLEW = SLOW;
+NET "ct_led<4>" LOC = L7 | IOSTANDARD = LVCMOS33 | SLEW = SLOW;
+NET "ct_led<5>" LOC = G1 | IOSTANDARD = LVCMOS33 | SLEW = SLOW;
+NET "ct_led<6>" LOC = T2 | IOSTANDARD = LVCMOS33 | SLEW = SLOW;
+NET "ct_led<7>" LOC = H7 | IOSTANDARD = LVCMOS33 | SLEW = SLOW;
+
+# Pins to the header where the noise sources on the
+# Cryptech Avalanche Noise Board are connected.
+NET "ct_noise" LOC = L4 | IOSTANDARD = LVCMOS33;
+
+#======================================================================
+# EOF novena_i2c.ucf
+#======================================================================
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-19 15:09:24 +0000