include/asm-arm/arch-pxa/system.h

   1 /*
   2  * linux/include/asm-arm/arch-pxa/system.h
   3  *
   4  * Author:      Nicolas Pitre
   5  * Created:     Jun 15, 2001
   6  * Copyright:   MontaVista Software Inc.
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  */
  12
  13 #include <asm/proc-fns.h>
  14 #include "hardware.h"
  15 #include "pxa-regs.h"
  16
  17 static inline void arch_idle(void)
  18 {
  19         cpu_do_idle();
  20 }
  21
  22
  23 static inline void arch_reset(char mode)
  24 {
  25         if (cpu_is_pxa2xx())
  26                 RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
  27
  28         if (mode == 's') {
  29                 /* Jump into ROM at address 0 */
  30                 cpu_reset(0);
  31         } else {
  32                 /* Initialize the watchdog and let it fire */
  33                 OWER = OWER_WME;
  34                 OSSR = OSSR_M3;
  35                 OSMR3 = OSCR + 368640;  /* ... in 100 ms */
  36         }
  37 }
  38