diff options
Diffstat (limited to 'arch/arc/plat-arcfpga/smp.c')
| -rw-r--r-- | arch/arc/plat-arcfpga/smp.c | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/arch/arc/plat-arcfpga/smp.c b/arch/arc/plat-arcfpga/smp.c index 91b55349a5f..92bad912207 100644 --- a/arch/arc/plat-arcfpga/smp.c +++ b/arch/arc/plat-arcfpga/smp.c @@ -42,6 +42,24 @@ static void iss_model_smp_wakeup_cpu(int cpu, unsigned long pc) } +static inline int get_hw_config_num_irq(void) +{ + uint32_t val = read_aux_reg(ARC_REG_VECBASE_BCR); + + switch (val & 0x03) { + case 0: + return 16; + case 1: + return 32; + case 2: + return 8; + default: + return 0; + } + + return 0; +} + /* * Any SMP specific init any CPU does when it comes up. * Here we setup the CPU to enable Inter-Processor-Interrupts @@ -88,18 +106,14 @@ void iss_model_init_smp(unsigned int cpu) smp_ipi_irq_setup(cpu, IDU_INTERRUPT_0 + cpu); } -static void iss_model_ipi_send(void *arg) +static void iss_model_ipi_send(int cpu) { - struct cpumask *callmap = arg; - unsigned int cpu; - - for_each_cpu(cpu, callmap) - idu_irq_assert(cpu); + idu_irq_assert(cpu); } -static void iss_model_ipi_clear(int cpu, int irq) +static void iss_model_ipi_clear(int irq) { - idu_irq_clear(IDU_INTERRUPT_0 + cpu); + idu_irq_clear(IDU_INTERRUPT_0 + smp_processor_id()); } void iss_model_init_early_smp(void) |