diff options
| author | Vineet Gupta <vgupta@synopsys.com> | 2014-02-28 16:13:44 +0800 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2014-05-05 14:22:12 +0530 |
| commit | 9a091d9e8450a4cec76bd208bbbb017a12795416 (patch) | |
| tree | 8514ab63d65757e3827c90006fb3bf1c9b295e81 /arch/arc/plat-arcfpga/smp.c | |
| parent | 89ca3b881987f5a4be4c5dbaa7f0df12bbdde2fd (diff) | |
| download | op-kernel-dev-9a091d9e8450a4cec76bd208bbbb017a12795416.zip op-kernel-dev-9a091d9e8450a4cec76bd208bbbb017a12795416.tar.gz | |
ARC: [SMP] ISS SMP extension bitrot
* Move extension specific code out of common SMP code
* Don't enable it by default for SMP
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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 8a12741..92bad91 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 |
