diff options
Diffstat (limited to 'arch/sparc')
| -rw-r--r-- | arch/sparc/kernel/leon_kernel.c | 3 | ||||
| -rw-r--r-- | arch/sparc/kernel/leon_smp.c | 4 |
2 files changed, 7 insertions, 0 deletions
diff --git a/arch/sparc/kernel/leon_kernel.c b/arch/sparc/kernel/leon_kernel.c index 8417a914e8a..2f538ac2e13 100644 --- a/arch/sparc/kernel/leon_kernel.c +++ b/arch/sparc/kernel/leon_kernel.c @@ -345,6 +345,9 @@ void __init leon_init_timers(irq_handler_t counter_fn) icsel = (icsel >> ((7 - (boot_cpu_id&0x7)) * 4)) & 0xf; leon3_irqctrl_regs += icsel; + /* Mask all IRQs on boot-cpu IRQ controller */ + LEON3_BYPASS_STORE_PA(&leon3_irqctrl_regs->mask[boot_cpu_id], 0); + /* Probe extended IRQ controller */ eirq = (LEON3_BYPASS_LOAD_PA(&leon3_irqctrl_regs->mpstatus) >> 16) & 0xf; diff --git a/arch/sparc/kernel/leon_smp.c b/arch/sparc/kernel/leon_smp.c index cbd8e31d01f..de9506d9ad7 100644 --- a/arch/sparc/kernel/leon_smp.c +++ b/arch/sparc/kernel/leon_smp.c @@ -217,6 +217,10 @@ int __cpuinit leon_boot_one_cpu(int i) (unsigned int)&leon3_irqctrl_regs->mpstatus); local_flush_cache_all(); + /* Make sure all IRQs are of from the start for this new CPU */ + LEON_BYPASS_STORE_PA(&leon3_irqctrl_regs->mask[i], 0); + + /* Wake one CPU */ LEON_BYPASS_STORE_PA(&(leon3_irqctrl_regs->mpstatus), 1 << i); /* wheee... it's going... */ |