diff options
Diffstat (limited to 'arch/arm/mach-ux500/timer.c')
-rw-r--r-- | arch/arm/mach-ux500/timer.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/arch/arm/mach-ux500/timer.c b/arch/arm/mach-ux500/timer.c index aa76dcec7a6..438c9715aab 100644 --- a/arch/arm/mach-ux500/timer.c +++ b/arch/arm/mach-ux500/timer.c @@ -17,6 +17,21 @@ #include <mach/setup.h> #include <mach/hardware.h> #include <mach/irqs.h> +#include <mach/context.h> + +#ifdef CONFIG_UX500_CONTEXT +static int mtu_context_notifier_call(struct notifier_block *this, + unsigned long event, void *data) +{ + if (event == CONTEXT_APE_RESTORE) + nmdk_clksrc_reset(); + return NOTIFY_OK; +} + +static struct notifier_block mtu_context_notifier = { + .notifier_call = mtu_context_notifier_call, +}; +#endif #ifdef CONFIG_HAVE_ARM_TWD static DEFINE_TWD_LOCAL_TIMER(u5500_twd_local_timer, @@ -52,7 +67,7 @@ static void __init ux500_timer_init(void) if (cpu_is_u5500()) { mtu_timer_base = __io_address(U5500_MTU0_BASE); prcmu_timer_base = __io_address(U5500_PRCMU_TIMER_3_BASE); - } else if (cpu_is_u8500()) { + } else if (cpu_is_u8500() || cpu_is_u9540()) { mtu_timer_base = __io_address(U8500_MTU0_BASE); prcmu_timer_base = __io_address(U8500_PRCMU_TIMER_4_BASE); } else { @@ -85,6 +100,10 @@ static void __init ux500_timer_init(void) db5500_mtimer_init(__io_address(U5500_MTIMER_BASE)); clksrc_dbx500_prcmu_init(prcmu_timer_base); ux500_twd_init(); + +#ifdef CONFIG_UX500_CONTEXT + WARN_ON(context_ape_notifier_register(&mtu_context_notifier)); +#endif } static void ux500_timer_reset(void) |