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| author | Thierry Strudel <tstrudel@google.com> | 2017-03-02 16:50:16 -0800 |
|---|---|---|
| committer | John Dias <joaodias@google.com> | 2017-03-04 23:34:45 -0800 |
| commit | 4e18dc435b633b7b6adceda10f84f29d081f0d6a (patch) | |
| tree | 394b408362b9f8e8221311af54f0f599bc379f43 /init.power.sh | |
| parent | 31d86a69a6d6f8878aa5a45387b6ef7f3a3d44d4 (diff) | |
| download | wahoo-4e18dc435b633b7b6adceda10f84f29d081f0d6a.tar.gz | |
Import common file from device specific directory
Test: boot, basic functionality
Change-Id: I9c07718b481730c3388f99c5e1eff17c9fd75a7b
Signed-off-by: Thierry Strudel <tstrudel@google.com>
Diffstat (limited to 'init.power.sh')
| -rw-r--r-- | init.power.sh | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/init.power.sh b/init.power.sh new file mode 100644 index 00000000..e2c7704b --- /dev/null +++ b/init.power.sh @@ -0,0 +1,76 @@ +#!/system/bin/sh + +################################################################################ +# helper functions to allow Android init like script + +function write() { + echo -n $2 > $1 +} + +function copy() { + cat $1 > $2 +} + +################################################################################ + +soc_revision=`cat /sys/devices/soc0/revision` +if [ "$soc_revision" == "1.0" ]; then + # Disable retention low power modes + write /sys/module/lpm_levels/system/pwr/cpu0/ret/idle_enabled N + write /sys/module/lpm_levels/system/pwr/cpu1/ret/idle_enabled N + write /sys/module/lpm_levels/system/pwr/cpu2/ret/idle_enabled N + write /sys/module/lpm_levels/system/pwr/cpu3/ret/idle_enabled N + write /sys/module/lpm_levels/system/perf/cpu4/ret/idle_enabled N + write /sys/module/lpm_levels/system/perf/cpu5/ret/idle_enabled N + write /sys/module/lpm_levels/system/perf/cpu6/ret/idle_enabled N + write /sys/module/lpm_levels/system/perf/cpu7/ret/idle_enabled N + # Enable all LPMs by default + write /sys/module/lpm_levels/parameters/sleep_disabled N +fi + +# disable thermal hotplug to switch governor +write /sys/module/msm_thermal/core_control/enabled 0 + +# bring back main cores CPU 0,4 +write /sys/devices/system/cpu/cpu0/online 1 +write /sys/devices/system/cpu/cpu4/online 1 + +# Setting b.L scheduler parameters +write /proc/sys/kernel/sched_migration_fixup 1 +write /proc/sys/kernel/sched_upmigrate 99 +write /proc/sys/kernel/sched_downmigrate 85 +write /proc/sys/kernel/sched_freq_inc_notify 400000 +write /proc/sys/kernel/sched_freq_dec_notify 400000 +write /proc/sys/kernel/sched_spill_nr_run 5 +write /proc/sys/kernel/sched_restrict_cluster_spill 1 + +# configure governor settings for little cluster +write /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor "sched" + +# configure governor settings for big cluster +write /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor "sched" + +# re-enable thermal hotplug +write /sys/module/msm_thermal/core_control/enabled 1 + +# Enable bus-dcvs +for cpubw in /sys/class/devfreq/*qcom,cpubw* +do + write $cpubw/governor "bw_hwmon" + write $cpubw/polling_interval 50 + write $cpubw/min_freq 1525 + write $cpubw/bw_hwmon/mbps_zones "3143 5859 11863 13763" + write $cpubw/bw_hwmon/sample_ms 4 + write $cpubw/bw_hwmon/io_percent 34 + write $cpubw/bw_hwmon/hist_memory 20 + write $cpubw/bw_hwmon/hyst_length 10 + write $cpubw/bw_hwmon/low_power_ceil_mbps 0 + write $cpubw/bw_hwmon/low_power_io_percent 34 + write $cpubw/bw_hwmon/low_power_delay 20 + write $cpubw/bw_hwmon/guard_band_mbps 0 + write $cpubw/bw_hwmon/up_scale 250 + write $cpubw/bw_hwmon/idle_mbps 1600 +done + +write /sys/class/devfreq/soc:qcom,mincpubw/governor "cpufreq" + |