Initial Contribution
msm-2.6.38: tag AU_LINUX_ANDROID_GINGERBREAD.02.03.04.00.142
Signed-off-by: Bryan Huntsman <bryanh@codeaurora.org>
diff --git a/arch/arm/mach-msm/restart-fsm9xxx.c b/arch/arm/mach-msm/restart-fsm9xxx.c
new file mode 100644
index 0000000..f542368
--- /dev/null
+++ b/arch/arm/mach-msm/restart-fsm9xxx.c
@@ -0,0 +1,42 @@
+/* Copyright (c) 2011, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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/module.h>
+#include <linux/moduleparam.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/reboot.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <mach/gpio.h>
+
+#define FEMTO_GPIO_PS_HOLD 161
+
+void arch_reset(char mode, const char *cmd)
+{
+ pr_notice("Going down for restart now\n");
+ msleep(3000);
+
+ /* Configure FEMTO_GPIO_PS_HOLD as a general purpose output */
+ if (gpio_tlmm_config(GPIO_CFG(FEMTO_GPIO_PS_HOLD, 0,
+ GPIO_CFG_OUTPUT, GPIO_CFG_NO_PULL,
+ GPIO_CFG_2MA), GPIO_CFG_ENABLE))
+ pr_err("%s: gpio_tlmm_config (gpio=%d) failed\n",
+ __func__, FEMTO_GPIO_PS_HOLD);
+
+ /* Now set it low to power cycle the entire board */
+ gpio_set_value(FEMTO_GPIO_PS_HOLD, 0);
+
+ msleep(10000);
+ pr_err("Restarting has failed\n");
+}