From 2716f83906094878e24b93c8ae1b7c6babbb5076 Mon Sep 17 00:00:00 2001
From: Leonardo Graboski Veiga <leogveiga@gmail.com>
Date: Mon, 27 Mar 2017 13:18:41 +0200
Subject: nv-conf-systemd: remove emmc read ahead configuration

The read_ahead configuration is now set using udev. The script run from udev
was added to meta-toradex-bsp-common, since it applies to all modules with
eMMC.

Signed-off-by: Leonardo Graboski Veiga <leogveiga@gmail.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
---
 .../binary-drivers/linux-driver-package/nv         | 87 ++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100755 jetson-tk1/recipes-bsp/binary-drivers/linux-driver-package/nv

diff --git a/jetson-tk1/recipes-bsp/binary-drivers/linux-driver-package/nv b/jetson-tk1/recipes-bsp/binary-drivers/linux-driver-package/nv
new file mode 100755
index 0000000..2221688
--- /dev/null
+++ b/jetson-tk1/recipes-bsp/binary-drivers/linux-driver-package/nv
@@ -0,0 +1,87 @@
+#!/bin/sh
+#"NVIDIA specific init script"
+
+nvexec() {
+	# power state
+	if [ -e /sys/power/state ]; then
+		chmod 0666 /sys/power/state
+	fi
+
+	# Set minimum cpu freq.
+	if [ -e /sys/devices/soc0/family ]; then
+		SOCFAMILY="`cat /sys/devices/soc0/family`"
+	fi
+
+	if [ "$SOCFAMILY" = "Tegra13" ] &&
+		[ -e /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq ]; then
+		sudo bash -c "echo -n 510000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq"
+	fi
+
+	# CPU hotplugging
+	if [ -d /sys/devices/system/cpu/cpuquiet/tegra_cpuquiet ] ; then
+		echo 500 > /sys/devices/system/cpu/cpuquiet/tegra_cpuquiet/down_delay
+		echo 1 > /sys/devices/system/cpu/cpuquiet/tegra_cpuquiet/enable
+	elif [ -w /sys/module/cpu_tegra3/parameters/auto_hotplug ] ; then
+		# compatibility for prior kernels without cpuquiet support
+		echo 1 > /sys/module/cpu_tegra3/parameters/auto_hotplug
+	fi
+
+	# lp2 idle state
+	if [ -e /sys/module/cpuidle/parameters/power_down_in_idle ] ; then
+		echo "Y" > /sys/module/cpuidle/parameters/power_down_in_idle
+	elif [ -e /sys/module/cpuidle/parameters/lp2_in_idle ] ; then
+		# compatibility for prior kernels
+		echo "Y" > /sys/module/cpuidle/parameters/lp2_in_idle
+	fi
+
+	#FIXME remove once kernel CL merges into main Bug 1231069
+	for uartInst in 0 1 2 3
+	do
+		uartNode="/dev/ttyHS$uartInst"
+		if [ -e "$uartNode" ]; then
+			ln -s /dev/ttyHS$uartInst /dev/ttyTHS$uartInst
+		fi
+	done
+	# remove power to dc.0 for jetson-tk1
+	machine=`cat /sys/devices/soc0/machine`
+	if [ "${machine}" = "jetson-tk1" ] ; then
+		echo 4 > /sys/class/graphics/fb0/blank
+		if [ -e /sys/devices/platform/tegra-otg/enable_device ] ; then
+			echo 0 > /sys/devices/platform/tegra-otg/enable_device
+		fi
+		if [ -e /sys/devices/platform/tegra-otg/enable_host ] ; then
+			echo 1 > /sys/devices/platform/tegra-otg/enable_host
+		fi
+	fi
+
+	# CPU frequency governor
+	if [ -e /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors ]; then
+		read governors < /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors
+		case $governors in
+			*interactive*)
+				echo interactive > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
+				if [ -e /sys/devices/system/cpu/cpufreq/interactive ] ; then
+					echo "1224000" > /sys/devices/system/cpu/cpufreq/interactive/hispeed_freq
+					echo "95" > /sys/devices/system/cpu/cpufreq/interactive/target_loads
+					echo "20000" > /sys/devices/system/cpu/cpufreq/interactive/min_sample_time
+				fi
+					;;
+			*)
+					;;
+		esac
+	fi
+
+	# CPU frequency boost on input event
+	if [ -e /sys/module/input_cfboost/parameters/boost_freq ]; then
+		echo "1224000" > /sys/module/input_cfboost/parameters/boost_freq
+	fi
+}
+
+case "$1" in
+  start)
+    nvexec
+    exit 0
+    ;;
+  *)
+    exit 1
+esac
-- 
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