mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-24 16:20:55 +07:00
6a7d2c6256
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>
20 lines
531 B
C
20 lines
531 B
C
/*
|
|
* Copyright (C) 2013 Uwe Kleine-Koenig for Pengutronix
|
|
*
|
|
* 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.
|
|
*/
|
|
#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();
|
|
}
|