diff options
Diffstat (limited to 'arch/blackfin/mach-bf561/smp.c')
| -rw-r--r-- | arch/blackfin/mach-bf561/smp.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/blackfin/mach-bf561/smp.c b/arch/blackfin/mach-bf561/smp.c index ec93f3ef8fa3..90369429ee66 100644 --- a/arch/blackfin/mach-bf561/smp.c +++ b/arch/blackfin/mach-bf561/smp.c @@ -11,6 +11,7 @@ #include <linux/delay.h> #include <asm/smp.h> #include <asm/dma.h> +#include <asm/time.h> static DEFINE_SPINLOCK(boot_lock); @@ -144,3 +145,20 @@ void platform_clear_ipi(unsigned int cpu) bfin_write_SICB_SYSCR(bfin_read_SICB_SYSCR() | (1 << (10 + cpu))); SSYNC(); } + +/* + * Setup core B's local core timer. + * In SMP, core timer is used for clock event device. + */ +void __cpuinit bfin_local_timer_setup(void) +{ +#if defined(CONFIG_TICKSOURCE_CORETMR) + bfin_coretmr_init(); + bfin_coretmr_clockevent_init(); + get_irq_chip(IRQ_CORETMR)->unmask(IRQ_CORETMR); +#else + /* Power down the core timer, just to play safe. */ + bfin_write_TCNTL(0); +#endif + +} |