1/* 2 * linux/include/asm-arm/arch-versatile/system.h 3 * 4 * Copyright (C) 2003 ARM Limited 5 * Copyright (C) 2000 Deep Blue Solutions Ltd 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20 */ 21#ifndef __ASM_ARCH_SYSTEM_H 22#define __ASM_ARCH_SYSTEM_H 23 24#include <asm/hardware.h> 25#include <asm/io.h> 26#include <asm/arch/platform.h> 27 28static inline void arch_idle(void) 29{ 30 /* 31 * This should do all the clock switching 32 * and wait for interrupt tricks 33 */ 34 cpu_do_idle(); 35} 36 37static inline void arch_reset(char mode) 38{ 39 u32 val; 40 41 val = __raw_readl(IO_ADDRESS(VERSATILE_SYS_RESETCTL)) & ~0x7; 42 val |= 0x105; 43 44 __raw_writel(0xa05f, IO_ADDRESS(VERSATILE_SYS_LOCK)); 45 __raw_writel(val, IO_ADDRESS(VERSATILE_SYS_RESETCTL)); 46 __raw_writel(0, IO_ADDRESS(VERSATILE_SYS_LOCK)); 47} 48 49#endif 50