1/* 2 * arch/arm/mach-ixp4xx/include/mach/system.h 3 * 4 * Copyright (C) 2002 Intel Corporation. 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 * 10 */ 11 12#include <mach/hardware.h> 13 14static inline void arch_idle(void) 15{ 16 /* ixp4xx does not implement the XScale PWRMODE register, 17 * so it must not call cpu_do_idle() here. 18 */ 19} 20 21 22static inline void arch_reset(char mode, const char *cmd) 23{ 24 if ( 1 && mode == 's') { 25 /* Jump into ROM at address 0 */ 26 cpu_reset(0); 27 } else { 28 /* Use on-chip reset capability */ 29 30 /* set the "key" register to enable access to 31 * "timer" and "enable" registers 32 */ 33 *IXP4XX_OSWK = IXP4XX_WDT_KEY; 34 35 /* write 0 to the timer register for an immediate reset */ 36 *IXP4XX_OSWT = 0; 37 38 *IXP4XX_OSWE = IXP4XX_WDT_RESET_ENABLE | IXP4XX_WDT_COUNT_ENABLE; 39 } 40} 41