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

   1/*
   2 * Copied from arch/arm/mach-sa1100/include/mach/system.h
   3 * Copyright (c) 1999 Nicolas Pitre <nico@fluxnic.net>
   4 */
   5#ifndef __ASM_ARCH_SYSTEM_H
   6#define __ASM_ARCH_SYSTEM_H
   7#include <linux/clk.h>
   8
   9#include <asm/mach-types.h>
  10#include <mach/hardware.h>
  11
  12#include <mach/prcm.h>
  13
  14#ifndef CONFIG_MACH_VOICEBLUE
  15#define voiceblue_reset()               do {} while (0)
  16#else
  17extern void voiceblue_reset(void);
  18#endif
  19
  20static inline void arch_idle(void)
  21{
  22        cpu_do_idle();
  23}
  24
  25static inline void omap1_arch_reset(char mode)
  26{
  27        /*
  28         * Workaround for 5912/1611b bug mentioned in sprz209d.pdf p. 28
  29         * "Global Software Reset Affects Traffic Controller Frequency".
  30         */
  31        if (cpu_is_omap5912()) {
  32                omap_writew(omap_readw(DPLL_CTL) & ~(1 << 4),
  33                                 DPLL_CTL);
  34                omap_writew(0x8, ARM_RSTCT1);
  35        }
  36
  37        if (machine_is_voiceblue())
  38                voiceblue_reset();
  39        else
  40                omap_writew(1, ARM_RSTCT1);
  41}
  42
  43static inline void arch_reset(char mode, const char *cmd)
  44{
  45        if (!cpu_class_is_omap2())
  46                omap1_arch_reset(mode);
  47        else
  48                omap_prcm_arch_reset(mode);
  49}
  50
  51#endif
  52