linux/arch/arm/kernel/v7m.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2013 Uwe Kleine-Koenig for Pengutronix
 */
#include <linux/io.h>
#include <linux/reboot.h>
#include <asm/barrier.h>
#include <asm/v7m.h>

void armv7m_restart(enum reboot_mode mode, const char *cmd)
{
	dsb();
	__raw_writel(V7M_SCB_AIRCR_VECTKEY | V7M_SCB_AIRCR_SYSRESETREQ,
			BASEADDR_V7M_SCB + V7M_SCB_AIRCR);
	dsb();
}
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 Based on 2 normalized pattern(s): 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 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 # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2019-06-04 16:11:33 +08:00			`// SPDX-License-Identifier: GPL-2.0-only`
ARM: 7828/1: ARMv7-M: implement restart routine common to all v7-M machines The newly introduced function is to be used as .restart callback for ARMv7-M machines. The used register is architecturally defined, so it should work for all M-class machines. Acked-by: Jonathan Austin <jonathan.austin@arm.com> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> 2013-08-28 04:15:02 +08:00			`/*`
			`* Copyright (C) 2013 Uwe Kleine-Koenig for Pengutronix`
			`*/`
			`#include <linux/io.h>`
			`#include <linux/reboot.h>`
			`#include <asm/barrier.h>`
			`#include <asm/v7m.h>`

			`void armv7m_restart(enum reboot_mode mode, const char *cmd)`
			`{`
			`dsb();`
			`__raw_writel(V7M_SCB_AIRCR_VECTKEY \| V7M_SCB_AIRCR_SYSRESETREQ,`
			`BASEADDR_V7M_SCB + V7M_SCB_AIRCR);`
			`dsb();`
			`}`