From: Scott Wood Date: Mon, 20 Aug 2007 17:39:45 +0000 (+1000) Subject: [POWERPC] bootwrapper: Set timebase_period_ns from dt_fixup_cpu_clocks X-Git-Url: http://git.mmlx.us/?a=commitdiff_plain;h=643d3c139b0a5289d7f0ba19fdcb24be6d7e768f;p=linux-edison.git [POWERPC] bootwrapper: Set timebase_period_ns from dt_fixup_cpu_clocks This lets udelay() work properly on platforms which use dt_fixup_cpu_clocks. Signed-off-by: Scott Wood Acked-by: David Gibson Signed-off-by: Paul Mackerras --- diff --git a/arch/powerpc/boot/devtree.c b/arch/powerpc/boot/devtree.c index c9951550ed2..ae8b886f5a1 100644 --- a/arch/powerpc/boot/devtree.c +++ b/arch/powerpc/boot/devtree.c @@ -74,6 +74,8 @@ void dt_fixup_cpu_clocks(u32 cpu, u32 tb, u32 bus) if (bus > 0) setprop_val(devp, "bus-frequency", bus); } + + timebase_period_ns = 1000000000 / tb; } void dt_fixup_clock(const char *path, u32 freq) diff --git a/arch/powerpc/boot/ops.h b/arch/powerpc/boot/ops.h index 86077066cd7..aebd6edc9a9 100644 --- a/arch/powerpc/boot/ops.h +++ b/arch/powerpc/boot/ops.h @@ -191,4 +191,6 @@ static inline void exit(void) static char _bss_stack[size]; \ void *_platform_stack_top = _bss_stack + sizeof(_bss_stack); +extern unsigned long timebase_period_ns; + #endif /* _PPC_BOOT_OPS_H_ */