src/arch/x86/include/cf9_reset.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #ifndef X86_CF9_RESET_H
   4 #define X86_CF9_RESET_H
   5
   6 /* Reset control port */
   7 #define RST_CNT                 0xcf9
   8 #define FULL_RST                (1 << 3)
   9 #define RST_CPU                 (1 << 2)
  10 #define SYS_RST                 (1 << 1)
  11
  12 /* Implement the bare reset, i.e. write to cf9. */
  13 void do_system_reset(void);
  14 void do_full_reset(void);
  15
  16 /* Called by functions below before reset. */
  17 #if CONFIG(HAVE_CF9_RESET_PREPARE)
  18 void cf9_reset_prepare(void);
  19 #else
  20 static inline void cf9_reset_prepare(void) {}
  21 #endif
  22
  23 /* Prepare for reset, run do_*_reset(), halt. */
  24 __noreturn void system_reset(void);
  25 __noreturn void full_reset(void);
  26
  27 #endif  /* X86_CF9_RESET_H */