From 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 Mon Sep 17 00:00:00 2001 From: Yunhong Jiang Date: Tue, 4 Aug 2015 12:17:53 -0700 Subject: Add the rt linux 4.1.3-rt3 as base Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang --- kernel/arch/mips/loongson1/common/reset.c | 54 +++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 kernel/arch/mips/loongson1/common/reset.c (limited to 'kernel/arch/mips/loongson1/common/reset.c') diff --git a/kernel/arch/mips/loongson1/common/reset.c b/kernel/arch/mips/loongson1/common/reset.c new file mode 100644 index 000000000..c41e4ca56 --- /dev/null +++ b/kernel/arch/mips/loongson1/common/reset.c @@ -0,0 +1,54 @@ +/* + * Copyright (c) 2011 Zhang, Keguang + * + * 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. + */ + +#include +#include +#include +#include + +#include + +static void __iomem *wdt_base; + +static void ls1x_halt(void) +{ + while (1) { + if (cpu_wait) + cpu_wait(); + } +} + +static void ls1x_restart(char *command) +{ + __raw_writel(0x1, wdt_base + WDT_EN); + __raw_writel(0x1, wdt_base + WDT_TIMER); + __raw_writel(0x1, wdt_base + WDT_SET); + + ls1x_halt(); +} + +static void ls1x_power_off(void) +{ + ls1x_halt(); +} + +static int __init ls1x_reboot_setup(void) +{ + wdt_base = ioremap_nocache(LS1X_WDT_BASE, 0x0f); + if (!wdt_base) + panic("Failed to remap watchdog registers"); + + _machine_restart = ls1x_restart; + _machine_halt = ls1x_halt; + pm_power_off = ls1x_power_off; + + return 0; +} + +arch_initcall(ls1x_reboot_setup); -- cgit 1.2.3-korg