[Feature] add GA346 baseline version
Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/drivers/cpuidle/cpuidle-mvebu-v7.c b/src/kernel/linux/v4.19/drivers/cpuidle/cpuidle-mvebu-v7.c
new file mode 100644
index 0000000..01a8569
--- /dev/null
+++ b/src/kernel/linux/v4.19/drivers/cpuidle/cpuidle-mvebu-v7.c
@@ -0,0 +1,139 @@
+/*
+ * Marvell Armada 370, 38x and XP SoC cpuidle driver
+ *
+ * Copyright (C) 2014 Marvell
+ *
+ * Nadav Haklai <nadavh@marvell.com>
+ * Gregory CLEMENT <gregory.clement@free-electrons.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ *
+ * Maintainer: Gregory CLEMENT <gregory.clement@free-electrons.com>
+ */
+
+#include <linux/cpu_pm.h>
+#include <linux/cpuidle.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/suspend.h>
+#include <linux/platform_device.h>
+#include <asm/cpuidle.h>
+
+#define MVEBU_V7_FLAG_DEEP_IDLE 0x10000
+
+static int (*mvebu_v7_cpu_suspend)(int);
+
+static int mvebu_v7_enter_idle(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv,
+ int index)
+{
+ int ret;
+ bool deepidle = false;
+ cpu_pm_enter();
+
+ if (drv->states[index].flags & MVEBU_V7_FLAG_DEEP_IDLE)
+ deepidle = true;
+
+ ret = mvebu_v7_cpu_suspend(deepidle);
+ cpu_pm_exit();
+
+ if (ret)
+ return ret;
+
+ return index;
+}
+
+static struct cpuidle_driver armadaxp_idle_driver = {
+ .name = "armada_xp_idle",
+ .states[0] = ARM_CPUIDLE_WFI_STATE,
+ .states[1] = {
+ .enter = mvebu_v7_enter_idle,
+ .exit_latency = 100,
+ .power_usage = 50,
+ .target_residency = 1000,
+ .name = "MV CPU IDLE",
+ .desc = "CPU power down",
+ },
+ .states[2] = {
+ .enter = mvebu_v7_enter_idle,
+ .exit_latency = 1000,
+ .power_usage = 5,
+ .target_residency = 10000,
+ .flags = MVEBU_V7_FLAG_DEEP_IDLE,
+ .name = "MV CPU DEEP IDLE",
+ .desc = "CPU and L2 Fabric power down",
+ },
+ .state_count = 3,
+};
+
+static struct cpuidle_driver armada370_idle_driver = {
+ .name = "armada_370_idle",
+ .states[0] = ARM_CPUIDLE_WFI_STATE,
+ .states[1] = {
+ .enter = mvebu_v7_enter_idle,
+ .exit_latency = 100,
+ .power_usage = 5,
+ .target_residency = 1000,
+ .flags = MVEBU_V7_FLAG_DEEP_IDLE,
+ .name = "Deep Idle",
+ .desc = "CPU and L2 Fabric power down",
+ },
+ .state_count = 2,
+};
+
+static struct cpuidle_driver armada38x_idle_driver = {
+ .name = "armada_38x_idle",
+ .states[0] = ARM_CPUIDLE_WFI_STATE,
+ .states[1] = {
+ .enter = mvebu_v7_enter_idle,
+ .exit_latency = 10,
+ .power_usage = 5,
+ .target_residency = 100,
+ .name = "Idle",
+ .desc = "CPU and SCU power down",
+ },
+ .state_count = 2,
+};
+
+static int mvebu_v7_cpuidle_probe(struct platform_device *pdev)
+{
+ const struct platform_device_id *id = pdev->id_entry;
+
+ if (!id)
+ return -EINVAL;
+
+ mvebu_v7_cpu_suspend = pdev->dev.platform_data;
+
+ return cpuidle_register((struct cpuidle_driver *)id->driver_data, NULL);
+}
+
+static const struct platform_device_id mvebu_cpuidle_ids[] = {
+ {
+ .name = "cpuidle-armada-xp",
+ .driver_data = (unsigned long)&armadaxp_idle_driver,
+ }, {
+ .name = "cpuidle-armada-370",
+ .driver_data = (unsigned long)&armada370_idle_driver,
+ }, {
+ .name = "cpuidle-armada-38x",
+ .driver_data = (unsigned long)&armada38x_idle_driver,
+ },
+ {}
+};
+
+static struct platform_driver mvebu_cpuidle_driver = {
+ .probe = mvebu_v7_cpuidle_probe,
+ .driver = {
+ .name = "cpuidle-mbevu",
+ .suppress_bind_attrs = true,
+ },
+ .id_table = mvebu_cpuidle_ids,
+};
+
+builtin_platform_driver(mvebu_cpuidle_driver);
+
+MODULE_AUTHOR("Gregory CLEMENT <gregory.clement@free-electrons.com>");
+MODULE_DESCRIPTION("Marvell EBU v7 cpuidle driver");
+MODULE_LICENSE("GPL");