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/*
* Copyright 2011 Freescale Semiconductor, Inc.
* Copyright 2011 Linaro Ltd.
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/io.h>
#include <asm/exception.h>
#include <asm/localtimer.h>
#include <asm/hardware/gic.h>
#ifdef CONFIG_SMP
#include <asm/smp.h>
#endif
asmlinkage void __exception_irq_entry gic_handle_irq(struct pt_regs *regs)
{
u32 irqstat, irqnr;
do {
irqstat = readl_relaxed(gic_cpu_base_addr + GIC_CPU_INTACK);
irqnr = irqstat & 0x3ff;
if (irqnr == 1023)
break;
if (irqnr > 29 && irqnr < 1021)
handle_IRQ(irqnr, regs);
#ifdef CONFIG_SMP
else if (irqnr < 16) {
writel_relaxed(irqstat, gic_cpu_base_addr +
GIC_CPU_EOI);
handle_IPI(irqnr, regs);
}
#endif
#ifdef CONFIG_LOCAL_TIMERS
else if (irqnr == 29) {
writel_relaxed(irqstat, gic_cpu_base_addr +
GIC_CPU_EOI);
handle_local_timer(regs);
}
#endif
} while (1);
}
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