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- From 3cdf3d713c81ffd3032d7c664f0be89d1ddce3e3 Mon Sep 17 00:00:00 2001
- From: John Crispin <[email protected]>
- Date: Sun, 20 Jan 2013 22:00:57 +0100
- Subject: [PATCH 03/79] MIPS: ralink: adds reset code
- Resetting these SoCs requires no real magic. The code is straight forward.
- Signed-off-by: John Crispin <[email protected]>
- Signed-off-by: Gabor Juhos <[email protected]>
- Patchwork: http://patchwork.linux-mips.org/patch/4891/
- ---
- arch/mips/ralink/reset.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
- 1 file changed, 44 insertions(+)
- create mode 100644 arch/mips/ralink/reset.c
- diff --git a/arch/mips/ralink/reset.c b/arch/mips/ralink/reset.c
- new file mode 100644
- index 0000000..22120e5
- --- /dev/null
- +++ b/arch/mips/ralink/reset.c
- @@ -0,0 +1,44 @@
- +/*
- + * This program is free software; you can redistribute it and/or modify it
- + * under the terms of the GNU General Public License version 2 as published
- + * by the Free Software Foundation.
- + *
- + * Copyright (C) 2008-2009 Gabor Juhos <[email protected]>
- + * Copyright (C) 2008 Imre Kaloz <[email protected]>
- + * Copyright (C) 2013 John Crispin <[email protected]>
- + */
- +
- +#include <linux/pm.h>
- +#include <linux/io.h>
- +
- +#include <asm/reboot.h>
- +
- +#include <asm/mach-ralink/ralink_regs.h>
- +
- +/* Reset Control */
- +#define SYSC_REG_RESET_CTRL 0x034
- +#define RSTCTL_RESET_SYSTEM BIT(0)
- +
- +static void ralink_restart(char *command)
- +{
- + local_irq_disable();
- + rt_sysc_w32(RSTCTL_RESET_SYSTEM, SYSC_REG_RESET_CTRL);
- + unreachable();
- +}
- +
- +static void ralink_halt(void)
- +{
- + local_irq_disable();
- + unreachable();
- +}
- +
- +static int __init mips_reboot_setup(void)
- +{
- + _machine_restart = ralink_restart;
- + _machine_halt = ralink_halt;
- + pm_power_off = ralink_halt;
- +
- + return 0;
- +}
- +
- +arch_initcall(mips_reboot_setup);
- --
- 1.7.10.4
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