Initial import

1 files changed, 59 insertions, 0 deletions

diff --git a/arch/arm/mach-tegra/cpuidle.c b/arch/arm/mach-tegra/cpuidle.c
new file mode 100644
index 000000000..316563141
--- /dev/null
+++ b/arch/arm/mach-tegra/cpuidle.c
@@ -0,0 +1,59 @@
+/*
+ * arch/arm/mach-tegra/cpuidle.c
+ *
+ * CPU idle driver for Tegra CPUs
+ *
+ * Copyright (c) 2010-2012, NVIDIA Corporation.
+ * Copyright (c) 2011 Google, Inc.
+ * Author: Colin Cross <ccross@android.com>
+ *         Gary King <gking@nvidia.com>
+ *
+ * Rework for 3.3 by Peter De Schrijver <pdeschrijver@nvidia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+#include <soc/tegra/fuse.h>
+
+#include "cpuidle.h"
+
+void __init tegra_cpuidle_init(void)
+{
+	switch (tegra_get_chip_id()) {
+	case TEGRA20:
+		if (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC))
+			tegra20_cpuidle_init();
+		break;
+	case TEGRA30:
+		if (IS_ENABLED(CONFIG_ARCH_TEGRA_3x_SOC))
+			tegra30_cpuidle_init();
+		break;
+	case TEGRA114:
+	case TEGRA124:
+		if (IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC) ||
+		    IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC))
+			tegra114_cpuidle_init();
+		break;
+	}
+}
+
+void tegra_cpuidle_pcie_irqs_in_use(void)
+{
+	switch (tegra_get_chip_id()) {
+	case TEGRA20:
+		if (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC))
+			tegra20_cpuidle_pcie_irqs_in_use();
+		break;
+	}
+}