diff options
Diffstat (limited to 'arch/arm/mach-zynq/common.h')
-rw-r--r-- | arch/arm/mach-zynq/common.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/arch/arm/mach-zynq/common.h b/arch/arm/mach-zynq/common.h index f652f0a884a..2bc71273c73 100644 --- a/arch/arm/mach-zynq/common.h +++ b/arch/arm/mach-zynq/common.h @@ -24,6 +24,8 @@ extern int zynq_early_slcr_init(void); extern void zynq_slcr_system_reset(void); extern void zynq_slcr_cpu_stop(int cpu); extern void zynq_slcr_cpu_start(int cpu); +extern bool zynq_slcr_cpu_state_read(int cpu); +extern void zynq_slcr_cpu_state_write(int cpu, bool die); extern u32 zynq_slcr_get_device_id(void); #ifdef CONFIG_SMP @@ -37,7 +39,17 @@ extern struct smp_operations zynq_smp_ops __initdata; extern void __iomem *zynq_scu_base; -/* Hotplug */ -extern void zynq_platform_cpu_die(unsigned int cpu); +void zynq_pm_late_init(void); + +static inline void zynq_core_pm_init(void) +{ + /* A9 clock gating */ + asm volatile ("mrc p15, 0, r12, c15, c0, 0\n" + "orr r12, r12, #1\n" + "mcr p15, 0, r12, c15, c0, 0\n" + : /* no outputs */ + : /* no inputs */ + : "r12"); +} #endif |