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author | Barry Song <Baohua.Song@csr.com> | 2012-12-20 19:11:18 +0800 |
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committer | Barry Song <Barry.Song@csr.com> | 2013-01-22 19:39:14 +0800 |
commit | f2a94192d953990c5c928f52dd4122a67f93b980 (patch) | |
tree | 77bf983dc45303a627cc342939c5eee3d00087c3 /arch/arm/mach-prima2/irq.c | |
parent | 598548facd3c55d1da230a2cc0e6026053b04594 (diff) | |
download | blackbird-obmc-linux-f2a94192d953990c5c928f52dd4122a67f93b980.tar.gz blackbird-obmc-linux-f2a94192d953990c5c928f52dd4122a67f93b980.zip |
ARM: PRIMA2: irq: make prima2 irq can work even we enable GIC for Marco
in Marco, we will use GIC. this patch prepares the handle_irq for prima2
to avoid the compiling errors since we want only one defconfig and zImage
for both prima2 and marco that means we will need handle_irq for both.
Signed-off-by: Baohua Song <Baohua.Song@csr.com>
Diffstat (limited to 'arch/arm/mach-prima2/irq.c')
-rw-r--r-- | arch/arm/mach-prima2/irq.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/arch/arm/mach-prima2/irq.c b/arch/arm/mach-prima2/irq.c index 7dee9176e77a..6c0f3e9c43fb 100644 --- a/arch/arm/mach-prima2/irq.c +++ b/arch/arm/mach-prima2/irq.c @@ -9,17 +9,19 @@ #include <linux/init.h> #include <linux/io.h> #include <linux/irq.h> -#include <mach/hardware.h> -#include <asm/mach/irq.h> #include <linux/of.h> #include <linux/of_address.h> #include <linux/irqdomain.h> #include <linux/syscore_ops.h> +#include <asm/mach/irq.h> +#include <asm/exception.h> +#include <mach/hardware.h> #define SIRFSOC_INT_RISC_MASK0 0x0018 #define SIRFSOC_INT_RISC_MASK1 0x001C #define SIRFSOC_INT_RISC_LEVEL0 0x0020 #define SIRFSOC_INT_RISC_LEVEL1 0x0024 +#define SIRFSOC_INIT_IRQ_ID 0x0038 void __iomem *sirfsoc_intc_base; @@ -52,6 +54,16 @@ static __init void sirfsoc_irq_init(void) writel_relaxed(0, sirfsoc_intc_base + SIRFSOC_INT_RISC_MASK1); } +asmlinkage void __exception_irq_entry sirfsoc_handle_irq(struct pt_regs *regs) +{ + u32 irqstat, irqnr; + + irqstat = readl_relaxed(sirfsoc_intc_base + SIRFSOC_INIT_IRQ_ID); + irqnr = irqstat & 0xff; + + handle_IRQ(irqnr, regs); +} + static struct of_device_id intc_ids[] = { { .compatible = "sirf,prima2-intc" }, {}, |