[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/drivers/cpuidle/cpuidle-calxeda.c b/src/kernel/linux/v4.14/drivers/cpuidle/cpuidle-calxeda.c
new file mode 100644
index 0000000..ea9728f
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/cpuidle/cpuidle-calxeda.c
@@ -0,0 +1,83 @@
+/*
+ * Copyright 2012 Calxeda, Inc.
+ *
+ * Based on arch/arm/plat-mxc/cpuidle.c: #v3.7
+ * Copyright 2012 Freescale Semiconductor, Inc.
+ * Copyright 2012 Linaro Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Maintainer: Rob Herring <rob.herring@calxeda.com>
+ */
+
+#include <linux/cpuidle.h>
+#include <linux/cpu_pm.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/platform_device.h>
+#include <linux/psci.h>
+
+#include <asm/cpuidle.h>
+#include <asm/suspend.h>
+
+#include <uapi/linux/psci.h>
+
+#define CALXEDA_IDLE_PARAM \
+ ((0 << PSCI_0_2_POWER_STATE_ID_SHIFT) | \
+ (0 << PSCI_0_2_POWER_STATE_AFFL_SHIFT) | \
+ (PSCI_POWER_STATE_TYPE_POWER_DOWN << PSCI_0_2_POWER_STATE_TYPE_SHIFT))
+
+static int calxeda_idle_finish(unsigned long val)
+{
+ return psci_ops.cpu_suspend(CALXEDA_IDLE_PARAM, __pa(cpu_resume));
+}
+
+static int calxeda_pwrdown_idle(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv,
+ int index)
+{
+ cpu_pm_enter();
+ cpu_suspend(0, calxeda_idle_finish);
+ cpu_pm_exit();
+
+ return index;
+}
+
+static struct cpuidle_driver calxeda_idle_driver = {
+ .name = "calxeda_idle",
+ .states = {
+ ARM_CPUIDLE_WFI_STATE,
+ {
+ .name = "PG",
+ .desc = "Power Gate",
+ .exit_latency = 30,
+ .power_usage = 50,
+ .target_residency = 200,
+ .enter = calxeda_pwrdown_idle,
+ },
+ },
+ .state_count = 2,
+};
+
+static int calxeda_cpuidle_probe(struct platform_device *pdev)
+{
+ return cpuidle_register(&calxeda_idle_driver, NULL);
+}
+
+static struct platform_driver calxeda_cpuidle_plat_driver = {
+ .driver = {
+ .name = "cpuidle-calxeda",
+ },
+ .probe = calxeda_cpuidle_probe,
+};
+builtin_platform_driver(calxeda_cpuidle_plat_driver);