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| author | Scott Wood <scottwood@freescale.com> | 2007-08-21 03:39:45 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-08-22 15:21:47 +1000 |
| commit | 643d3c139b0a5289d7f0ba19fdcb24be6d7e768f (patch) | |
| tree | a68812ee6e98c31b82d8b01f2733b01b615ad106 /arch/powerpc | |
| parent | 44d06ba72990893eb5506516b25ccaf3a757ffc0 (diff) | |
| download | blackbird-op-linux-643d3c139b0a5289d7f0ba19fdcb24be6d7e768f.tar.gz blackbird-op-linux-643d3c139b0a5289d7f0ba19fdcb24be6d7e768f.zip | |
[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>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/boot/devtree.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/boot/ops.h | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/boot/devtree.c b/arch/powerpc/boot/devtree.c index c9951550ed2c..ae8b886f5a1d 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 86077066cd7c..aebd6edc9a90 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_ */ |
