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Diffstat (limited to 'include/asm-powerpc/reg.h')
-rw-r--r--include/asm-powerpc/reg.h33
1 files changed, 3 insertions, 30 deletions
diff --git a/include/asm-powerpc/reg.h b/include/asm-powerpc/reg.h
index 12ecc9b9f285..72bfe3af0460 100644
--- a/include/asm-powerpc/reg.h
+++ b/include/asm-powerpc/reg.h
@@ -615,27 +615,9 @@
615#define proc_trap() asm volatile("trap") 615#define proc_trap() asm volatile("trap")
616 616
617#ifdef CONFIG_PPC64 617#ifdef CONFIG_PPC64
618static inline void ppc64_runlatch_on(void) 618
619{ 619extern void ppc64_runlatch_on(void);
620 unsigned long ctrl; 620extern void ppc64_runlatch_off(void);
621
622 if (cpu_has_feature(CPU_FTR_CTRL)) {
623 ctrl = mfspr(SPRN_CTRLF);
624 ctrl |= CTRL_RUNLATCH;
625 mtspr(SPRN_CTRLT, ctrl);
626 }
627}
628
629static inline void ppc64_runlatch_off(void)
630{
631 unsigned long ctrl;
632
633 if (cpu_has_feature(CPU_FTR_CTRL)) {
634 ctrl = mfspr(SPRN_CTRLF);
635 ctrl &= ~CTRL_RUNLATCH;
636 mtspr(SPRN_CTRLT, ctrl);
637 }
638}
639 621
640extern unsigned long scom970_read(unsigned int address); 622extern unsigned long scom970_read(unsigned int address);
641extern void scom970_write(unsigned int address, unsigned long value); 623extern void scom970_write(unsigned int address, unsigned long value);
@@ -645,15 +627,6 @@ extern void scom970_write(unsigned int address, unsigned long value);
645#define __get_SP() ({unsigned long sp; \ 627#define __get_SP() ({unsigned long sp; \
646 asm volatile("mr %0,1": "=r" (sp)); sp;}) 628 asm volatile("mr %0,1": "=r" (sp)); sp;})
647 629
648#else /* __ASSEMBLY__ */
649
650#define RUNLATCH_ON(REG) \
651BEGIN_FTR_SECTION \
652 mfspr (REG),SPRN_CTRLF; \
653 ori (REG),(REG),CTRL_RUNLATCH; \
654 mtspr SPRN_CTRLT,(REG); \
655END_FTR_SECTION_IFSET(CPU_FTR_CTRL)
656
657#endif /* __ASSEMBLY__ */ 630#endif /* __ASSEMBLY__ */
658#endif /* __KERNEL__ */ 631#endif /* __KERNEL__ */
659#endif /* _ASM_POWERPC_REG_H */ 632#endif /* _ASM_POWERPC_REG_H */