diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kernel/time.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index 82f2cabb4f47..9f264c2f02c3 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -610,6 +610,17 @@ void __init generic_calibrate_decr(void) ppc_proc_freq = *fp; } } +#ifdef CONFIG_BOOKE + /* Set the time base to zero */ + mtspr(SPRN_TBWL, 0); + mtspr(SPRN_TBWU, 0); + + /* Clear any pending timer interrupts */ + mtspr(SPRN_TSR, TSR_ENW | TSR_WIS | TSR_DIS | TSR_FIS); + + /* Enable decrementer interrupt */ + mtspr(SPRN_TCR, TCR_DIE); +#endif if (!node_found) printk(KERN_ERR "WARNING: Estimating processor frequency " "(not found)\n"); |