Add SoC CPU speed and governor manipulation

debian-config

@@ -80,7 +80,16 @@ do
 	# count number of menu items to adjust window size
 	LISTLENGTH="$((11+${#LIST[@]}/2))"
 	BOXLENGTH=${#LIST[@]}
-	MENUTITLE="Configure $DISTRO $DISTROID"
+	MENUTITLE="Configure \Z1$DISTRO $DISTROID\Z0"
+
+	# read cpu speed
+	num=$(cat /sys/devices/system/cpu/cpufreq/policy0/scaling_min_freq 2> /dev/null)
+        if [[ -f /etc/default/cpufrequtils && ! -z "${num##*[!0-9]*}" ]]; then
+                FREQENCIES="\n"$(LC_ALL="C" cpufreq-info | grep policy | sed "s/  current policy: //" | sed 's/.*/\u&/' | tail -1)"\n"
+		LISTLENGTH=$((LISTLENGTH + 2))
+		FREQENCIES="\nSoC runs between \Z1$(($(cat /sys/devices/system/cpu/cpufreq/policy0/scaling_min_freq) / 1000))\Z0 and \Z1$(($(cat /sys/devices/system/cpu/cpufreq/policy0/scaling_max_freq) / 1000)) MHz\Z0 using \Z1$(cat /sys/devices/system/cpu/cpufreq/policy0/scaling_governor)\Z0 governor.\n"
+        fi
+
 	[[ -n "${BOARD_NAME/ /}" ]] && MENUTITLE=$MENUTITLE" based \Z1Armbian\Z0 for the \Z1${BOARD_NAME}\Z0 "
 
 	# main dialog routine
@@ -92,7 +101,7 @@ do
 
 	exec 3>&1
 	selection=$(dialog --colors --backtitle "$BACKTITLE" --title " armbian-config " --clear \
-	--cancel-label "Exit" --menu "\n$MENUTITLE \n \nSupport: \Z1https://forum.armbian.com\Z0\n " \
+	--cancel-label "Exit" --menu "\n$MENUTITLE \n$FREQENCIES\nSupport: \Z1https://forum.armbian.com\Z0\n " \
 	$LISTLENGTH ${TITLELENGTH} $BOXLENGTH "${LIST[@]}" 2>&1 1>&3)
 	exit_status=$?
 	exec 3>&-

debian-config-functions

@@ -16,6 +16,7 @@
 # beta_disclaimer
 # show_box
 # description
+# generic_select
 # reload_bsp
 # other_kernel_version
 # aval_dtbs
@@ -295,6 +296,35 @@ function description
 }
 
 
+#
+# Generic select box
+#
+function generic_select()
+{
+        IFS=$' '
+        PARAMETER=($1)
+        local LIST=()
+        for i in "${PARAMETER[@]}"
+        do
+                        if [[ -n $3 ]]; then
+                                [[ ${i[0]} -ge $3 ]] && \
+                                LIST+=( "${i[0]//[[:blank:]]/}" "" )
+                        else
+                                LIST+=( "${i[0]//[[:blank:]]/}" "" )
+                        fi
+        done
+        LIST_LENGTH=$((${#LIST[@]}/2));
+        if [ "$LIST_LENGTH" -eq 1 ]; then
+                        PARAMETER=${PARAMETER[0]}
+        else
+                        exec 3>&1
+                        PARAMETER=$(dialog --nocancel --backtitle "$BACKTITLE" --no-collapse \
+                        --title "$2" --clear --menu "" $((6+${LIST_LENGTH})) 0 $((1+${LIST_LENGTH})) "${LIST[@]}" 2>&1 1>&3)
+                        exec 3>&-
+        fi
+}
+
+
 
 
 #

debian-config-jobs

@@ -1028,6 +1028,28 @@ function jobs ()
 		[[ $exitstatus = 2 ]] && sed -i 's/^#kernel.printk\(.*\)/kernel.printk\1/' /etc/sysctl.conf && reboot
 	;;
 
+	# CPU speed and governor
+	#
+	"CPU" )
+		generic_select "$(cat /sys/devices/system/cpu/cpufreq/policy0/scaling_available_frequencies)" "Select minimum CPU speed"
+		MIN_SPEED=$PARAMETER
+		generic_select "$(cat /sys/devices/system/cpu/cpufreq/policy0/scaling_available_frequencies)" "Select maximum CPU speed" "$PARAMETER"
+		MAX_SPEED=$PARAMETER
+		generic_select "$(cat /sys/devices/system/cpu/cpufreq/policy0/scaling_available_governors)" "Select CPU governor"
+		GOVERNOR=$PARAMETER
+		if [[ -n $MIN_SPEED && -n $MAX_SPEED && -n $GOVERNOR ]]; then
+			dialog --colors --title " Apply and save changes " --backtitle "$BACKTITLE" --yes-label "OK" --no-label "Cancel" --yesno \
+			"\nCPU frequency will be within \Z1$(($MIN_SPEED / 1000))\Z0 and \Z1$(($MAX_SPEED / 1000)) MHz\Z0. The governor \Z1$GOVERNOR\Z0 will decide which speed to use within this range." 9 58
+			if [[ $? -eq 0 ]]; then
+				sed -i "s/MIN_SPEED=.*/MIN_SPEED=$MIN_SPEED/" /etc/default/cpufrequtils
+				sed -i "s/MAX_SPEED=.*/MAX_SPEED=$MAX_SPEED/" /etc/default/cpufrequtils
+				sed -i "s/GOVERNOR=.*/GOVERNOR=$GOVERNOR/" /etc/default/cpufrequtils
+				systemctl restart cpufrequtils
+				sync
+			fi
+		fi
+	;;
+
 
 	# Edit boot environment
 	#

debian-config-submenu

@@ -59,6 +59,10 @@ while true; do
 	[[ -f /boot/armbianEnv.txt ]] && LIST+=( "Bootenv" "Edit boot environment" )
 	[[ -f /boot/boot.ini ]] && LIST+=( "Bootscript" "Edit boot script" )
 
+	if [[ -f /etc/default/cpufrequtils ]]; then
+		LIST+=( "CPU" "Set CPU speed and governor" )
+	fi
+
 	[[ -d ${OVERLAYDIR} ]] && \
 	LIST+=( "Hardware" "Toggle hardware configuration: UART, I2C, etc." )
 	[[ "$LINUXFAMILY" = cubox && "$BRANCH" = "next" ]] && LIST+=( "DTB" "Switch board .dtb configuration" )
@@ -135,7 +139,7 @@ while true; do
 
 	exec 3>&1
 	selection=$(DIALOGRC=$temp_rc dialog --colors --backtitle "$BACKTITLE" --title " $sys_title " --clear \
-	--cancel-label "Back" --menu "$disclaimer" $LISTLENGTH 68 $BOXLENGTH \
+	--cancel-label "Back" --menu "$disclaimer" $LISTLENGTH 0 $BOXLENGTH \
 	"${LIST[@]}" 2>&1 1>&3)
 	exit_status=$?
 	exec 3>&-