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