diff options
Diffstat (limited to 'arch/arm64/kernel/time.c')
| -rw-r--r-- | arch/arm64/kernel/time.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/arch/arm64/kernel/time.c b/arch/arm64/kernel/time.c index 3b4b7258f49..1a7125c3099 100644 --- a/arch/arm64/kernel/time.c +++ b/arch/arm64/kernel/time.c @@ -18,6 +18,7 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ +#include <linux/clockchips.h> #include <linux/export.h> #include <linux/kernel.h> #include <linux/interrupt.h> @@ -31,8 +32,11 @@ #include <linux/syscore_ops.h> #include <linux/timer.h> #include <linux/irq.h> +#include <linux/delay.h> +#include <linux/clocksource.h> +#include <linux/clk-provider.h> -#include <clocksource/arm_generic.h> +#include <clocksource/arm_arch_timer.h> #include <asm/thread_info.h> #include <asm/stacktrace.h> @@ -61,5 +65,17 @@ EXPORT_SYMBOL(profile_pc); void __init time_init(void) { - arm_generic_timer_init(); + u32 arch_timer_rate; + + of_clk_init(NULL); + clocksource_of_init(); + + tick_setup_hrtimer_broadcast(); + + arch_timer_rate = arch_timer_get_rate(); + if (!arch_timer_rate) + panic("Unable to initialise architected timer.\n"); + + /* Calibrate the delay loop directly */ + lpj_fine = arch_timer_rate / HZ; } |