1/* 2 * linux/include/asm-arm/arch-realview/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 void __iomem *hdr_ctrl = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_RESETCTL_OFFSET; 40 unsigned int val; 41 42 /* 43 * To reset, we hit the on-board reset register 44 * in the system FPGA 45 */ 46 val = __raw_readl(hdr_ctrl); 47 val |= REALVIEW_SYS_CTRL_RESET_CONFIGCLR; 48 __raw_writel(val, hdr_ctrl); 49} 50 51#endif 52