restart.c 736 B

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  1. /*
  2. * arch/arm/plat-spear/restart.c
  3. *
  4. * SPEAr platform specific restart functions
  5. *
  6. * Copyright (C) 2009 ST Microelectronics
  7. * Viresh Kumar<viresh.kumar@st.com>
  8. *
  9. * This file is licensed under the terms of the GNU General Public
  10. * License version 2. This program is licensed "as is" without any
  11. * warranty of any kind, whether express or implied.
  12. */
  13. #include <linux/io.h>
  14. #include <asm/hardware/sp810.h>
  15. #include <mach/hardware.h>
  16. #include <mach/generic.h>
  17. void spear_restart(char mode, const char *cmd)
  18. {
  19. if (mode == 's') {
  20. /* software reset, Jump into ROM at address 0 */
  21. soft_restart(0);
  22. } else {
  23. /* hardware reset, Use on-chip reset capability */
  24. sysctl_soft_reset((void __iomem *)VA_SPEAR_SYS_CTRL_BASE);
  25. }
  26. }