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35 lines
1011 B
35 lines
1011 B
/* |
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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 <[email protected]> |
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* |
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* This file is licensed under the terms of the GNU General Public |
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* License version 2. This program is licensed "as is" without any |
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* warranty of any kind, whether express or implied. |
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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 <mach/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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