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| author | Haojian Zhuang <haojian.zhuang@marvell.com> | 2009-08-19 19:49:31 +0800 |
|---|---|---|
| committer | Eric Miao <eric.y.miao@gmail.com> | 2009-09-10 18:49:26 +0800 |
| commit | d2c37068429b29d6549cf3486fc84b836689e122 (patch) | |
| tree | 5c5460cd095a1bb01d5a92ecce850a127c38e2ed /arch/arm/mach-pxa/irq.c | |
| parent | 6ba39282bb3ee486a142ee3fd61196d329622ed9 (diff) | |
| download | blackbird-op-linux-d2c37068429b29d6549cf3486fc84b836689e122.tar.gz blackbird-op-linux-d2c37068429b29d6549cf3486fc84b836689e122.zip | |
[ARM] pxa: initialize default interrupt priority and use ICHP for IRQ handling
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
Diffstat (limited to 'arch/arm/mach-pxa/irq.c')
| -rw-r--r-- | arch/arm/mach-pxa/irq.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/arm/mach-pxa/irq.c b/arch/arm/mach-pxa/irq.c index f6e0300e4f64..d694ce289668 100644 --- a/arch/arm/mach-pxa/irq.c +++ b/arch/arm/mach-pxa/irq.c @@ -120,7 +120,7 @@ static void __init pxa_init_low_gpio_irq(set_wake_t fn) void __init pxa_init_irq(int irq_nr, set_wake_t fn) { - int irq; + int irq, i; pxa_internal_irq_nr = irq_nr; @@ -129,6 +129,12 @@ void __init pxa_init_irq(int irq_nr, set_wake_t fn) _ICLR(irq) = 0; /* all IRQs are IRQ, not FIQ */ } + /* initialize interrupt priority */ + if (cpu_is_pxa27x() || cpu_is_pxa3xx()) { + for (i = 0; i < irq_nr; i++) + IPR(i) = i | (1 << 31); + } + /* only unmasked interrupts kick us out of idle */ ICCR = 1; |
