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FPGA frequency extraction

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This commit is contained in:
Mateusz Faderewski 2023-05-06 13:30:06 +02:00
parent a9ee74f480
commit 0fcdecfd6b
2 changed files with 28 additions and 0 deletions
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2
build.sh
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@ -8,6 +8,7 @@ PACKAGE_FILE_NAME="sc64-extra"
TOP_FILES=(
"./fw/ftdi/ft232h_config.xml"
"./fw/project/lcmxo2/impl1/fpga_max_frequency.txt"
"./sw/tools/primer.py"
"./sw/tools/requirements.txt"
"./sc64-firmware-${SC64_VERSION}.bin"
@ -90,6 +91,7 @@ build_update () {
rm -f ../../sc64-firmware-*.bin
fi
GIT_INFO=""
GIT_INFO+=$'\n'"freq: $(cat ../../fw/project/lcmxo2/impl1/fpga_max_frequency.txt)"
if [ ! -z "${SC64_VERSION}" ]; then GIT_INFO+=$'\n'"ver: $SC64_VERSION"; fi
if [ ! -z "${GIT_BRANCH}" ]; then GIT_INFO+=$'\n'"branch: $GIT_BRANCH"; fi
if [ ! -z "${GIT_TAG}" ]; then GIT_INFO+=$'\n'"tag: $GIT_TAG"; fi

26
fw/project/lcmxo2/build.sh
View File

@ -1,5 +1,31 @@
#!/bin/bash
set -e
source $bindir/diamond_env
diamondc build.tcl
MINIMUM_FREQ=$(cat impl1/sc64_impl1.twr \
| grep 'Preference: FREQUENCY NET "clk"' \
| head -1 \
| awk -F ' ' '{print $5}' \
)
DESIGN_FREQ=$(cat impl1/sc64_impl1.twr \
| sed -n '/Preference: FREQUENCY NET "clk"/,$p' \
| grep 'is the maximum frequency for this preference' \
| head -1 \
| awk -F ' ' '{print $2}' \
| sed 's/MHz//' \
)
echo "Minimum required frequency: $MINIMUM_FREQ MHz"
echo "Maximum design frequency: $DESIGN_FREQ MHz"
if (( $(echo "$DESIGN_FREQ < $MINIMUM_FREQ" | bc -l) )); then
echo "Timing error detected, build failed"
exit 1
fi
echo -n "$DESIGN_FREQ MHz" > impl1/fpga_max_frequency.txt