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[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 <scottwood@freescale.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Scott Wood 2007-08-21 03:39:45 +10:00 committed by Paul Mackerras
parent 44d06ba729
commit 643d3c139b
2 changed files with 4 additions and 0 deletions
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2
arch/powerpc/boot/devtree.c
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@ -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)

2
arch/powerpc/boot/ops.h
View File

@ -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_ */