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authorH. Peter Anvin <hpa@linux.intel.com>2014-06-18 15:26:19 -0700
committerH. Peter Anvin <hpa@linux.intel.com>2014-06-18 15:26:19 -0700
commit03ab3da3b215bac4ebb093c808d54596e03e3225 (patch)
treea42534bb7f314b561b362ad0b5af7eff8dbb9726 /arch/arc/plat-arcfpga/smp.c
parent6229ad278ca74acdbc8bd3a3d469322a3de91039 (diff)
parent7171511eaec5bf23fb06078f59784a3a0626b38f (diff)
downloadtalos-op-linux-03ab3da3b215bac4ebb093c808d54596e03e3225.tar.gz
talos-op-linux-03ab3da3b215bac4ebb093c808d54596e03e3225.zip
Merge tag 'v3.16-rc1' into x86/cpufeature
Linux 3.16-rc1 Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/arc/plat-arcfpga/smp.c')
-rw-r--r--arch/arc/plat-arcfpga/smp.c18
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
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