cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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restart.c (1006B)


      1/*
      2 * arch/arm/plat-spear/restart.c
      3 *
      4 * SPEAr platform specific restart functions
      5 *
      6 * Copyright (C) 2009 ST Microelectronics
      7 * Viresh Kumar <vireshk@kernel.org>
      8 *
      9 * This file is licensed under the terms of the GNU General Public
     10 * License version 2. This program is licensed "as is" without any
     11 * warranty of any kind, whether express or implied.
     12 */
     13#include <linux/io.h>
     14#include <linux/amba/sp810.h>
     15#include <linux/reboot.h>
     16#include <asm/system_misc.h>
     17#include "spear.h"
     18#include "generic.h"
     19
     20#define SPEAR13XX_SYS_SW_RES			(VA_MISC_BASE + 0x204)
     21void spear_restart(enum reboot_mode mode, const char *cmd)
     22{
     23	if (mode == REBOOT_SOFT) {
     24		/* software reset, Jump into ROM at address 0 */
     25		soft_restart(0);
     26	} else {
     27		/* hardware reset, Use on-chip reset capability */
     28#ifdef CONFIG_ARCH_SPEAR13XX
     29		writel_relaxed(0x01, SPEAR13XX_SYS_SW_RES);
     30#endif
     31#if defined(CONFIG_ARCH_SPEAR3XX) || defined(CONFIG_ARCH_SPEAR6XX)
     32		sysctl_soft_reset((void __iomem *)VA_SPEAR_SYS_CTRL_BASE);
     33#endif
     34	}
     35}