1/* 2 * linux/arch/arm/mach-omap2/prcm.c 3 * 4 * OMAP 24xx Power Reset and Clock Management (PRCM) functions 5 * 6 * Copyright (C) 2005 Nokia Corporation 7 * 8 * Written by Tony Lindgren <tony.lindgren@nokia.com> 9 * 10 * Some pieces of code Copyright (C) 2005 Texas Instruments, Inc. 11 * 12 * This program is free software; you can redistribute it and/or modify 13 * it under the terms of the GNU General Public License version 2 as 14 * published by the Free Software Foundation. 15 */ 16#include <linux/module.h> 17#include <linux/init.h> 18#include <linux/clk.h> 19 20#include "prcm-regs.h" 21 22extern void omap2_clk_prepare_for_reboot(void); 23 24u32 omap_prcm_get_reset_sources(void) 25{ 26 return RM_RSTST_WKUP & 0x7f; 27} 28EXPORT_SYMBOL(omap_prcm_get_reset_sources); 29 30/* Resets clock rates and reboots the system. Only called from system.h */ 31void omap_prcm_arch_reset(char mode) 32{ 33 omap2_clk_prepare_for_reboot(); 34 RM_RSTCTRL_WKUP |= 2; 35} 36