2 files changed, 47 insertions, 0 deletions
diff --git a/recipes-core/nv-conf/files/nv-conf.service b/recipes-core/nv-conf/files/nv-conf.service
new file mode 100644
index 0000000..3226c6b
--- /dev/null
+++ b/recipes-core/nv-conf/files/nv-conf.service
@@ -0,0 +1,12 @@
+[Unit]
+Description=Enable NVIDIA T30 CPU Hot-Plugging
+DefaultDependencies=no
+After=sysinit.target
+ 
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart=/usr/bin/nv-conf.sh
+ 
+[Install]
+WantedBy=sysinit.target
diff --git a/recipes-core/nv-conf/files/nv-conf.sh b/recipes-core/nv-conf/files/nv-conf.sh
new file mode 100644
index 0000000..6376c5d
--- /dev/null
+++ b/recipes-core/nv-conf/files/nv-conf.sh
@@ -0,0 +1,35 @@
+#!/bin/sh
+# NVIDIA specific init script
+
+# power state
+if [ -e /sys/power/state ]; then
+	chmod 0666 /sys/power/state
+fi
+
+# turn off low-power core migration for now
+if [ -e /sys/module/cpu_tegra3/parameters/no_lp ] ; then
+	echo Y > /sys/module/cpu_tegra3/parameters/no_lp
+fi
+
+# enable CPU hot-plugging
+if [ -e /sys/module/cpu_tegra3/parameters/auto_hotplug ] ; then
+	echo 1 > /sys/module/cpu_tegra3/parameters/auto_hotplug
+fi
+
+# lp2 idle state
+if [ -e /sys/module/cpuidle/parameters/lp2_in_idle ] ; then
+	echo "Y" > /sys/module/cpuidle/parameters/lp2_in_idle
+fi
+
+# mmc read ahead size
+if [ -e /sys/block/mmcblk0/queue/read_ahead_kb ]; then
+	echo 2048 > /sys/block/mmcblk0/queue/read_ahead_kb
+fi
+if [ -e /sys/block/mmcblk1/queue/read_ahead_kb ]; then
+	echo 2048 > /sys/block/mmcblk1/queue/read_ahead_kb
+fi
+if [ -e /sys/block/mmcblk2/queue/read_ahead_kb ]; then
+	echo 2048 > /sys/block/mmcblk2/queue/read_ahead_kb
+fi
+
+exit 0