forked from Minki/linux
d2912cb15b
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>
31 lines
848 B
C
31 lines
848 B
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
#include <linux/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/reboot.h>
|
|
|
|
#include "iomap.h"
|
|
#include "common.h"
|
|
#include "control.h"
|
|
#include "prm3xxx.h"
|
|
|
|
#define TI81XX_PRM_DEVICE_RSTCTRL 0x00a0
|
|
#define TI81XX_GLOBAL_RST_COLD BIT(1)
|
|
|
|
/**
|
|
* ti81xx_restart - trigger a software restart of the SoC
|
|
* @mode: the "reboot mode", see arch/arm/kernel/{setup,process}.c
|
|
* @cmd: passed from the userspace program rebooting the system (if provided)
|
|
*
|
|
* Resets the SoC. For @cmd, see the 'reboot' syscall in
|
|
* kernel/sys.c. No return value.
|
|
*
|
|
* NOTE: Warm reset does not seem to work, may require resetting
|
|
* clocks to bypass mode.
|
|
*/
|
|
void ti81xx_restart(enum reboot_mode mode, const char *cmd)
|
|
{
|
|
omap2_prm_set_mod_reg_bits(TI81XX_GLOBAL_RST_COLD, 0,
|
|
TI81XX_PRM_DEVICE_RSTCTRL);
|
|
while (1);
|
|
}
|