system.h 821 B

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  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. #include <asm/proc-fns.h>
  13. #include "hardware.h"
  14. #include "pxa2xx-regs.h"
  15. #include "pxa-regs.h"
  16. static inline void arch_idle(void)
  17. {
  18. cpu_do_idle();
  19. }
  20. static inline void arch_reset(char mode)
  21. {
  22. if (cpu_is_pxa2xx())
  23. RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
  24. if (mode == 's') {
  25. /* Jump into ROM at address 0 */
  26. cpu_reset(0);
  27. } else {
  28. /* Initialize the watchdog and let it fire */
  29. OWER = OWER_WME;
  30. OSSR = OSSR_M3;
  31. OSMR3 = OSCR + 368640; /* ... in 100 ms */
  32. }
  33. }