diff options
Diffstat (limited to 'arch/arc/plat-arcfpga/smp.c')
| -rw-r--r-- | arch/arc/plat-arcfpga/smp.c | 18 |
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 |