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- // 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 <[email protected]>
- */
- #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
- }
- }
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