Add WoFerClock utility

1 files changed, 138 insertions, 0 deletions

diff --git a/woferclock/woferclock_cpu b/woferclock/woferclock_cpu
new file mode 100755
index 0000000..c5b669e
--- /dev/null
+++ b/woferclock/woferclock_cpu
@@ -0,0 +1,138 @@
+#!/bin/bash
+#
+# Copyright (c) 2018 Raptor Engineering, LLC
+# Released under the terms of the AGPL v3
+#
+# Provided WITHOUT WARRANTY OF ANY KIND, to the
+# maximum extent possible under law.  Modify at
+# your sole risk!
+
+set -e
+
+NEW_ULTRATURBO_MHZ=4200
+
+echo "======================================================================"
+echo "Welcome to WoFerClock!"
+echo ""
+echo "This program is free software, developed by Raptor Engineering, LLC"
+echo "for use with the Talos II line of POWER9 machines:"
+echo ""
+echo "https://www.raptorcs.com/TALOSII"
+echo ""
+echo "======================================================================"
+echo "WARNING"
+echo "======================================================================"
+echo "This program will alter the Vital Product Data (VPD) of your CPU(s)"
+echo ""
+echo "We strongly recommend you back up the original VPD image(s) in the"
+echo "unlikely event the VPD of your CPU(s) is corrupted.  These images"
+echo "will be available in the vpd_backup directory after this program"
+echo "has completed execution"
+echo ""
+echo "======================================================================"
+echo "Raptor Engineering, LLC, Raptor Computing Systems, LLC, IBM, and"
+echo "affiliated entities disclaim all liability resulting from the use"
+echo "or misuse of this program.  You accept all risk associated with"
+echo "modification of clock and/or power data, including, without"
+echo "restriction, hardware damage, data corruption, and/or loss of"
+echo "business resulting from the use of this program."
+echo ""
+echo "CPU and/or mainboard damage incurred as a result of attempted"
+echo "overclocking may void any and all warranty(s) for the damaged"
+echo "component(s)."
+echo ""
+echo "======================================================================"
+echo "Do you accept these terms and wish to proceed at your own risk? [y/N]"
+echo "======================================================================"
+
+read -r -p "" INPUT
+if [[ "$INPUT" != "Y" && "$INPUT" != "y" ]]; then
+	echo "Exiting..."
+	exit 1
+fi
+
+# Clean up possibly stale output files if present
+rm -rf vpd_out
+
+echo "======================================================================"
+echo "Targetting bucket 5 with a new Ultra Turbo frequency of ${NEW_ULTRATURBO_MHZ}MHz"
+echo "======================================================================"
+./list_i2c_busses
+
+echo "======================================================================"
+read -r -p "MVPD I2C bus of your first CPU (typically 0, <ENTER> to skip): " I2C_BUS_0
+
+if [[ "$I2C_BUS_0" != "" ]]; then
+	mkdir -p vpd_backup
+	echo -n "Reading VPD..."
+	set +e
+	./read_vpd "${I2C_BUS_0}" 0x50 vpd_backup/cpu0.bin
+	RETCODE=$?
+	set -e
+	if [[ $RETCODE != 0 ]]; then
+		echo "Exiting..."
+		exit 1
+	fi
+	echo "done!"
+
+	mkdir -p vpd_out
+	echo "Modifying VPD"
+	./copy_buckets ${NEW_ULTRATURBO_MHZ} `realpath vpd_backup` cpu0 vpd_out/cpu0
+	echo "Done!"
+fi
+
+echo "======================================================================"
+./list_i2c_busses
+
+echo "======================================================================"
+read -r -p "MVPD I2C bus of your second CPU (<ENTER> to skip): " I2C_BUS_1
+
+if [[ "$I2C_BUS_1" != "" ]]; then
+	mkdir -p vpd_backup
+	echo -n "Reading VPD..."
+	set +e
+	./read_vpd "${I2C_BUS_1}" 0x50 vpd_backup/cpu1.bin
+	RETCODE=$?
+	set -e
+	if [[ $RETCODE != 0 ]]; then
+		echo "Exiting..."
+		exit 1
+	fi
+	echo "done!"
+
+	mkdir -p vpd_out
+	echo "Modifying VPD"
+	./copy_buckets ${NEW_ULTRATURBO_MHZ} `realpath vpd_backup` cpu1 vpd_out/cpu1
+	echo "Done!"
+fi
+
+echo "======================================================================"
+echo "Ready to write new VPD image(s).  Continue? [y/N]"
+echo "======================================================================"
+
+read -r -p "" INPUT
+if [[ "$INPUT" != "Y" && "$INPUT" != "y" ]]; then
+	echo "Exiting..."
+	exit 1
+fi
+
+if [[ "$I2C_BUS_0" != "" ]]; then
+	echo "Writing CPU 0 VPD..."
+	./write_vpd "${I2C_BUS_0}" 0x50 vpd_out/cpu0.bin
+fi
+
+if [[ "$I2C_BUS_1" != "" ]]; then
+	echo "Writing CPU 1 VPD"
+	./write_vpd "${I2C_BUS_1}" 0x50 vpd_out/cpu1.bin
+fi
+
+echo "======================================================================"
+echo "VPD image(s) have been updated successfully!"
+echo ""
+echo "NOTE: Your system will continue to use the old clocking data until you"
+echo "load the aggressive variant of the Talos II PNOR.  If your system will"
+echo "not IPL or is unstable at the higher clocks, reloading the stock PNOR"
+echo "will restore your system back to the original clock speeds"
+echo ""
+echo "Thank you for using WoFerClock!"
+echo "======================================================================"