X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fmips%2Fjazz%2Firq.c;h=d7f8a782aae4d9a3200c307f383be28ed83b2b18;hb=9c1be0c4712fe760d8969427ef91107e9c062d91;hp=835b056cea36c42c835cdadfdcfca47ae668611e;hpb=4fa435018d740cb83d74c92306aa1f796da91ddd;p=pandora-kernel.git diff --git a/arch/mips/jazz/irq.c b/arch/mips/jazz/irq.c index 835b056cea36..d7f8a782aae4 100644 --- a/arch/mips/jazz/irq.c +++ b/arch/mips/jazz/irq.c @@ -4,7 +4,7 @@ * for more details. * * Copyright (C) 1992 Linus Torvalds - * Copyright (C) 1994 - 2001, 2003 Ralf Baechle + * Copyright (C) 1994 - 2001, 2003, 07 Ralf Baechle */ #include #include @@ -13,6 +13,7 @@ #include #include +#include #include #include #include @@ -96,9 +97,10 @@ asmlinkage void plat_irq_dispatch(void) if (pending & IE_IRQ4) { r4030_read_reg32(JAZZ_TIMER_REGISTER); do_IRQ(JAZZ_TIMER_IRQ); - } else if (pending & IE_IRQ2) - do_IRQ(r4030_read_reg32(JAZZ_EISA_IRQ_ACK)); - else if (pending & IE_IRQ1) { + } else if (pending & IE_IRQ2) { + irq = *(volatile u8 *)JAZZ_EISA_IRQ_ACK; + do_IRQ(irq); + } else if (pending & IE_IRQ1) { irq = *(volatile u8 *)JAZZ_IO_IRQ_SOURCE >> 2; if (likely(irq > 0)) do_IRQ(irq + JAZZ_IRQ_START - 1); @@ -116,16 +118,16 @@ static void r4030_set_mode(enum clock_event_mode mode, struct clock_event_device r4030_clockevent = { .name = "r4030", .features = CLOCK_EVT_FEAT_PERIODIC, - .rating = 100, + .rating = 300, .irq = JAZZ_TIMER_IRQ, - .cpumask = CPU_MASK_CPU0, .set_mode = r4030_set_mode, }; static irqreturn_t r4030_timer_interrupt(int irq, void *dev_id) { - r4030_clockevent.event_handler(&r4030_clockevent); + struct clock_event_device *cd = dev_id; + cd->event_handler(cd); return IRQ_HANDLED; } @@ -133,15 +135,22 @@ static struct irqaction r4030_timer_irqaction = { .handler = r4030_timer_interrupt, .flags = IRQF_DISABLED, .mask = CPU_MASK_CPU0, - .name = "timer", + .name = "R4030 timer", }; -void __init plat_timer_setup(struct irqaction *ignored) +void __init plat_time_init(void) { - struct irqaction *irq = &r4030_timer_irqaction; + struct clock_event_device *cd = &r4030_clockevent; + struct irqaction *action = &r4030_timer_irqaction; + unsigned int cpu = smp_processor_id(); BUG_ON(HZ != 100); + cd->cpumask = cpumask_of_cpu(cpu); + clockevents_register_device(cd); + action->dev_id = cd; + setup_irq(JAZZ_TIMER_IRQ, action); + /* * Set clock to 100Hz. * @@ -149,7 +158,5 @@ void __init plat_timer_setup(struct irqaction *ignored) * a programmable 4-bit divider. This makes it fairly inflexible. */ r4030_write_reg32(JAZZ_TIMER_INTERVAL, 9); - setup_irq(JAZZ_TIMER_IRQ, irq); - - clockevents_register_device(&r4030_clockevent); + setup_pit_timer(); }