1 files changed, 18 insertions, 0 deletions

diff --git a/arch/arc/plat-arcfpga/smp.c b/arch/arc/plat-arcfpga/smp.c
index 8a12741f5f7a..92bad9122077 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