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| author | Daniel Hellstrom <daniel@gaisler.com> | 2011-04-21 04:20:25 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-04-21 16:44:45 -0700 |
| commit | 970def654e9df1ad28ddb466bb1d123a55e1e7e7 (patch) | |
| tree | 03a4ba50b79cbe40c6f37219026fe9cecb596f40 /arch/sparc/kernel/leon_kernel.c | |
| parent | 01dae0f08dddf6ba86f956e60dceee4968f7a555 (diff) | |
| download | lwn-970def654e9df1ad28ddb466bb1d123a55e1e7e7.tar.gz lwn-970def654e9df1ad28ddb466bb1d123a55e1e7e7.zip | |
sparc32,leon: don't rely on bootloader to mask IRQs
Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/kernel/leon_kernel.c')
| -rw-r--r-- | arch/sparc/kernel/leon_kernel.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/sparc/kernel/leon_kernel.c b/arch/sparc/kernel/leon_kernel.c index 8417a914e8a3..2f538ac2e139 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; |