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ARM i.MX avic: add handle_irq function 

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
hifive-unleashed-5.1
Sascha Hauer 2011-09-20 14:28:17 +02:00
parent fcb8ce5cfe
commit b6de943bdf
2 changed files with 23 additions and 0 deletions
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13
arch/arm/plat-mxc/avic.c
View File

@ -116,6 +116,19 @@ static struct mxc_irq_chip mxc_avic_chip = {
#endif
};
asmlinkage void __exception_irq_entry avic_handle_irq(struct pt_regs *regs)
{
u32 nivector;
do {
nivector = __raw_readl(avic_base + AVIC_NIVECSR) >> 16;
if (nivector == 0xffff)
break;
handle_IRQ(nivector, regs);
} while (1);
}
/*
* This function initializes the AVIC hardware and disables all the
* interrupts. It registers the interrupt enable and disable functions

10
arch/arm/plat-mxc/include/mach/common.h
View File

@ -72,4 +72,14 @@ extern void mxc_arch_reset_init(void __iomem *);
extern void mx51_efikamx_reset(void);
extern int mx53_revision(void);
extern int mx53_display_revision(void);
void avic_handle_irq(struct pt_regs *);
#define imx1_handle_irq avic_handle_irq
#define imx21_handle_irq avic_handle_irq
#define imx25_handle_irq avic_handle_irq
#define imx27_handle_irq avic_handle_irq
#define imx31_handle_irq avic_handle_irq
#define imx35_handle_irq avic_handle_irq
#endif