diff options
Diffstat (limited to 'arch/powerpc/lib/time.c')
| -rw-r--r-- | arch/powerpc/lib/time.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/powerpc/lib/time.c b/arch/powerpc/lib/time.c index 3a5ad4d..4cbb65e 100644 --- a/arch/powerpc/lib/time.c +++ b/arch/powerpc/lib/time.c @@ -64,10 +64,21 @@ int timer_init(void) { unsigned long temp; +#if defined(CONFIG_8xx) + volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; + + /* unlock */ + immap->im_sitk.sitk_tbk = KAPWR_KEY; +#endif + /* reset */ asm volatile("li %0,0 ; mttbu %0 ; mttbl %0;" : "=&r"(temp) ); +#if defined(CONFIG_8xx) + /* enable */ + immap->im_sit.sit_tbscr |= TBSCR_TBE; +#endif return (0); } /* ------------------------------------------------------------------------- */ |