diff options
Diffstat (limited to 'include/asm-powerpc')
| -rw-r--r-- | include/asm-powerpc/bitops.h | 45 | ||||
| -rw-r--r-- | include/asm-powerpc/mpc52xx.h | 6 | ||||
| -rw-r--r-- | include/asm-powerpc/paca.h | 3 |
3 files changed, 52 insertions, 2 deletions
diff --git a/include/asm-powerpc/bitops.h b/include/asm-powerpc/bitops.h index 8144a2788db..e85c3e078ba 100644 --- a/include/asm-powerpc/bitops.h +++ b/include/asm-powerpc/bitops.h @@ -86,6 +86,24 @@ static __inline__ void clear_bit(int nr, volatile unsigned long *addr) : "cc" ); } +static __inline__ void clear_bit_unlock(int nr, volatile unsigned long *addr) +{ + unsigned long old; + unsigned long mask = BITOP_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); + + __asm__ __volatile__( + LWSYNC_ON_SMP +"1:" PPC_LLARX "%0,0,%3 # clear_bit_unlock\n" + "andc %0,%0,%2\n" + PPC405_ERR77(0,%3) + PPC_STLCX "%0,0,%3\n" + "bne- 1b" + : "=&r" (old), "+m" (*p) + : "r" (mask), "r" (p) + : "cc", "memory"); +} + static __inline__ void change_bit(int nr, volatile unsigned long *addr) { unsigned long old; @@ -125,6 +143,27 @@ static __inline__ int test_and_set_bit(unsigned long nr, return (old & mask) != 0; } +static __inline__ int test_and_set_bit_lock(unsigned long nr, + volatile unsigned long *addr) +{ + unsigned long old, t; + unsigned long mask = BITOP_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); + + __asm__ __volatile__( +"1:" PPC_LLARX "%0,0,%3 # test_and_set_bit_lock\n" + "or %1,%0,%2 \n" + PPC405_ERR77(0,%3) + PPC_STLCX "%1,0,%3 \n" + "bne- 1b" + ISYNC_ON_SMP + : "=&r" (old), "=&r" (t) + : "r" (mask), "r" (p) + : "cc", "memory"); + + return (old & mask) != 0; +} + static __inline__ int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr) { @@ -185,6 +224,12 @@ static __inline__ void set_bits(unsigned long mask, unsigned long *addr) #include <asm-generic/bitops/non-atomic.h> +static __inline__ void __clear_bit_unlock(int nr, volatile unsigned long *addr) +{ + __asm__ __volatile__(LWSYNC_ON_SMP "" ::: "memory"); + __clear_bit(nr, addr); +} + /* * Return the zero-based bit position (LE, not IBM bit numbering) of * the most significant 1-bit in a double word. diff --git a/include/asm-powerpc/mpc52xx.h b/include/asm-powerpc/mpc52xx.h index 24751df791a..568135fe52e 100644 --- a/include/asm-powerpc/mpc52xx.h +++ b/include/asm-powerpc/mpc52xx.h @@ -18,6 +18,8 @@ #include <asm/prom.h> #endif /* __ASSEMBLY__ */ +#include <linux/suspend.h> + /* ======================================================================== */ /* Structures mapping of some unit register set */ @@ -267,9 +269,9 @@ extern int mpc52xx_set_wakeup_gpio(u8 pin, u8 level); extern int __init lite5200_pm_init(void); /* lite5200 calls mpc5200 suspend functions, so here they are */ -extern int mpc52xx_pm_prepare(suspend_state_t); +extern int mpc52xx_pm_prepare(void); extern int mpc52xx_pm_enter(suspend_state_t); -extern int mpc52xx_pm_finish(suspend_state_t); +extern void mpc52xx_pm_finish(void); extern char saved_sram[0x4000]; /* reuse buffer from mpc52xx suspend */ #endif #endif /* CONFIG_PM */ diff --git a/include/asm-powerpc/paca.h b/include/asm-powerpc/paca.h index fcd7b428ed0..98c6bd5756b 100644 --- a/include/asm-powerpc/paca.h +++ b/include/asm-powerpc/paca.h @@ -114,6 +114,9 @@ struct paca_struct { u64 user_time; /* accumulated usermode TB ticks */ u64 system_time; /* accumulated system TB ticks */ u64 startpurr; /* PURR/TB value snapshot */ + u64 startspurr; /* SPURR value snapshot */ + u64 purrdelta; /* FIXME: document */ + u64 spurrdelta; /* FIXME: document */ }; extern struct paca_struct paca[]; |