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| author | Olof Johansson <olof@lixom.net> | 2014-07-20 01:59:07 +0400 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2014-07-20 01:59:07 +0400 |
| commit | 4e9816d012dbc28dc89559261c6ffbf8ffc440dd (patch) | |
| tree | dee9f8b31f3d6d2fb141541da88e1cc1329b017e /arch/arc/plat-arcfpga/smp.c | |
| parent | da98f44f27d81d7fe9a41f69af4fe08c18d13b56 (diff) | |
| parent | 1795cd9b3a91d4b5473c97f491d63892442212ab (diff) | |
| download | linux-4e9816d012dbc28dc89559261c6ffbf8ffc440dd.tar.xz | |
Merge tag 'v3.16-rc5' into next/fixes-non-critical
Linux 3.16-rc5
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 |