Files
cubelinux-kernel/arch/arm/mach-spear/restart.c
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

33 lines
857 B
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* arch/arm/plat-spear/restart.c
*
* SPEAr platform specific restart functions
*
* Copyright (C) 2009 ST Microelectronics
* Viresh Kumar <vireshk@kernel.org>
*/
#include <linux/io.h>
#include <linux/amba/sp810.h>
#include <linux/reboot.h>
#include <asm/system_misc.h>
#include "spear.h"
#include "generic.h"
#define SPEAR13XX_SYS_SW_RES (VA_MISC_BASE + 0x204)
void spear_restart(enum reboot_mode mode, const char *cmd)
{
if (mode == REBOOT_SOFT) {
/* software reset, Jump into ROM at address 0 */
soft_restart(0);
} else {
/* hardware reset, Use on-chip reset capability */
#ifdef CONFIG_ARCH_SPEAR13XX
writel_relaxed(0x01, SPEAR13XX_SYS_SW_RES);
#endif
#if defined(CONFIG_ARCH_SPEAR3XX) || defined(CONFIG_ARCH_SPEAR6XX)
sysctl_soft_reset((void __iomem *)VA_SPEAR_SYS_CTRL_BASE);
#endif
}
}