From f6e892bda3d14c9b634e72ef1abf9f3eaff27f8c Mon Sep 17 00:00:00 2001
From: "mason.huo" <mason.huo@starfivetech.com>
Date: Fri, 14 Oct 2022 13:08:20 +0800
Subject: [PATCH] package: starfive: Add power management package

The package is for power management.
Currently adjust the cpufreq paramenters.

Signed-off-by: mason.huo <mason.huo@starfivetech.com>
---
 package/starfive/Config.in     |  1 +
 package/starfive/pm/Config.in  |  6 ++++++
 package/starfive/pm/S90cpufreq | 22 ++++++++++++++++++++++
 package/starfive/pm/pm.mk      | 12 ++++++++++++
 4 files changed, 41 insertions(+)
 mode change 100755 => 100644 package/starfive/Config.in
 create mode 100644 package/starfive/pm/Config.in
 create mode 100644 package/starfive/pm/S90cpufreq
 create mode 100644 package/starfive/pm/pm.mk

diff --git a/package/starfive/Config.in b/package/starfive/Config.in
old mode 100755
new mode 100644
index adf32f61..19bfee17
--- a/package/starfive/Config.in
+++ b/package/starfive/Config.in
@@ -12,3 +12,4 @@ source "package/starfive/e24-test/Config.in"
 source "package/starfive/stfisp_setfile/Config.in.host"
 source "package/starfive/img-gpu-powervr/Config.in"
 source "package/starfive/drm_test/Config.in"
+source "package/starfive/pm/Config.in"
diff --git a/package/starfive/pm/Config.in b/package/starfive/pm/Config.in
new file mode 100644
index 00000000..2dd1181d
--- /dev/null
+++ b/package/starfive/pm/Config.in
@@ -0,0 +1,6 @@
+comment "pm package"
+
+config BR2_PACKAGE_PM
+	bool "pm"
+	help
+	  Utility for pm initialization & configuration.
diff --git a/package/starfive/pm/S90cpufreq b/package/starfive/pm/S90cpufreq
new file mode 100644
index 00000000..a6f121a7
--- /dev/null
+++ b/package/starfive/pm/S90cpufreq
@@ -0,0 +1,22 @@
+#!/bin/sh
+#
+# cpufreq    This shell script to config cpufreq parameters.
+
+case "$1" in
+	start)
+		# Set the ondemand governor sampling_rate to 100ms.
+		SYS_CPUFREQ_GOVERNOR=/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
+		if [ -e $SYS_CPUFREQ_GOVERNOR ]; then
+			echo "ondemand" > $SYS_CPUFREQ_GOVERNOR
+			echo 100000 > /sys/devices/system/cpu/cpufreq/ondemand/sampling_rate
+		fi
+		;;
+	stop)
+		;;
+	*)
+		echo "Usage: $0 {start|stop}"
+		exit 1
+esac
+
+exit 0
+
diff --git a/package/starfive/pm/pm.mk b/package/starfive/pm/pm.mk
new file mode 100644
index 00000000..2b5eb0e1
--- /dev/null
+++ b/package/starfive/pm/pm.mk
@@ -0,0 +1,12 @@
+################################################################################
+#
+# pm
+#
+################################################################################
+PM_LICENSE = GPL-2.0+
+
+define PM_INSTALL_TARGET_CMDS
+	install -m 0755 -D package/starfive/pm/S90cpufreq $(TARGET_DIR)/etc/init.d/
+endef
+
+$(eval $(generic-package))