arch/powerpc/include/asm/cpuidle.h

   1 #ifndef _ASM_POWERPC_CPUIDLE_H
   2 #define _ASM_POWERPC_CPUIDLE_H
   3
   4 #ifdef CONFIG_PPC_POWERNV
   5 /* Used in powernv idle state management */
   6 #define PNV_THREAD_RUNNING              0
   7 #define PNV_THREAD_NAP                  1
   8 #define PNV_THREAD_SLEEP                2
   9 #define PNV_THREAD_WINKLE               3
  10 #define PNV_CORE_IDLE_LOCK_BIT          0x100
  11 #define PNV_CORE_IDLE_THREAD_BITS       0x0FF
  12
  13 #ifndef __ASSEMBLY__
  14 extern u32 pnv_fastsleep_workaround_at_entry[];
  15 extern u32 pnv_fastsleep_workaround_at_exit[];
  16
  17 extern u64 pnv_first_deep_stop_state;
  18 #endif
  19
  20 #endif
  21
  22 /* Idle state entry routines */
  23 #ifdef  CONFIG_PPC_P7_NAP
  24 #define IDLE_STATE_ENTER_SEQ(IDLE_INST)                         \
  25         /* Magic NAP/SLEEP/WINKLE mode enter sequence */        \
  26         std     r0,0(r1);                                       \
  27         ptesync;                                                \
  28         ld      r0,0(r1);                                       \
  29 1:      cmpd    cr0,r0,r0;                                      \
  30         bne     1b;                                             \
  31         IDLE_INST;                                              \
  32
  33 #define IDLE_STATE_ENTER_SEQ_NORET(IDLE_INST)                   \
  34         IDLE_STATE_ENTER_SEQ(IDLE_INST)                         \
  35         b       .
  36 #endif /* CONFIG_PPC_P7_NAP */
  37
  38 #endif