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ARM: GIC: provide a single initialization function for boot CPU

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Provide gic_init() which initializes the GIC distributor and current
CPU's GIC interface for the boot (or single) CPU.

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King
2010-12-04 15:55:14 +00:00
parent e745a6676c
commit b580b899dd
14 changed files with 46 additions and 39 deletions
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11
arch/arm/common/gic.c
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@@ -213,8 +213,8 @@ void __init gic_cascade_irq(unsigned int gic_nr, unsigned int irq)
set_irq_chained_handler(irq, gic_handle_cascade_irq);
}
void __init gic_dist_init(unsigned int gic_nr, void __iomem *base,
unsigned int irq_start)
static void __init gic_dist_init(unsigned int gic_nr, void __iomem *base,
unsigned int irq_start)
{
unsigned int gic_irqs, irq_limit, i;
u32 cpumask = 1 << smp_processor_id();
@@ -314,6 +314,13 @@ void __cpuinit gic_cpu_init(unsigned int gic_nr, void __iomem *base)
writel(1, base + GIC_CPU_CTRL);
}
void __init gic_init(unsigned int gic_nr, unsigned int irq_start,
void __iomem *dist_base, void __iomem *cpu_base)
{
gic_dist_init(gic_nr, dist_base, irq_start);
gic_cpu_init(gic_nr, cpu_base);
}
#ifdef CONFIG_SMP
void gic_raise_softirq(const struct cpumask *mask, unsigned int irq)
{