LXR linux/arch/arm/plat-stmp3xxx/include/mach/system.h

   1/*
   2 * Copyright (C) 2005 Sigmatel Inc
   3 *
   4 * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
   5 * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
   6 */
   7
   8/*
   9 * The code contained herein is licensed under the GNU General Public
  10 * License. You may obtain a copy of the GNU General Public License
  11 * Version 2 or later at the following locations:
  12 *
  13 * http://www.opensource.org/licenses/gpl-license.html
  14 * http://www.gnu.org/copyleft/gpl.html
  15 */
  16#ifndef __ASM_ARCH_SYSTEM_H
  17#define __ASM_ARCH_SYSTEM_H
  18
  19#include <asm/proc-fns.h>
  20#include <mach/platform.h>
  21#include <mach/regs-clkctrl.h>
  22#include <mach/regs-power.h>
  23
  24static inline void arch_idle(void)
  25{
  26        /*
  27         * This should do all the clock switching
  28         * and wait for interrupt tricks
  29         */
  30
  31        cpu_do_idle();
  32}
  33
  34static inline void arch_reset(char mode, const char *cmd)
  35{
  36        /* Set BATTCHRG to default value */
  37        __raw_writel(0x00010000, REGS_POWER_BASE + HW_POWER_CHARGE);
  38
  39        /* Set MINPWR to default value   */
  40        __raw_writel(0, REGS_POWER_BASE + HW_POWER_MINPWR);
  41
  42        /* Reset digital side of chip (but not power or RTC) */
  43        __raw_writel(BM_CLKCTRL_RESET_DIG,
  44                        REGS_CLKCTRL_BASE + HW_CLKCTRL_RESET);
  45
  46        /* Should not return */
  47}
  48
  49#endif
  50