pm.c 1.3 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253
  1. /*
  2. * Copyright 2011 Calxeda, Inc.
  3. *
  4. * This program is free software; you can redistribute it and/or modify it
  5. * under the terms and conditions of the GNU General Public License,
  6. * version 2, as published by the Free Software Foundation.
  7. *
  8. * This program is distributed in the hope it will be useful, but WITHOUT
  9. * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10. * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  11. * more details.
  12. *
  13. * You should have received a copy of the GNU General Public License along with
  14. * this program. If not, see <http://www.gnu.org/licenses/>.
  15. */
  16. #include <linux/init.h>
  17. #include <linux/io.h>
  18. #include <linux/suspend.h>
  19. #include <asm/proc-fns.h>
  20. #include <asm/suspend.h>
  21. #include "core.h"
  22. #include "sysregs.h"
  23. static int highbank_suspend_finish(unsigned long val)
  24. {
  25. cpu_do_idle();
  26. return 0;
  27. }
  28. static int highbank_pm_enter(suspend_state_t state)
  29. {
  30. hignbank_set_pwr_suspend();
  31. highbank_set_cpu_jump(0, cpu_resume);
  32. cpu_suspend(0, highbank_suspend_finish);
  33. return 0;
  34. }
  35. static const struct platform_suspend_ops highbank_pm_ops = {
  36. .enter = highbank_pm_enter,
  37. .valid = suspend_valid_only_mem,
  38. };
  39. static int __init highbank_pm_init(void)
  40. {
  41. suspend_set_ops(&highbank_pm_ops);
  42. return 0;
  43. }
  44. module_init(highbank_pm_init);