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author | Paul Mundt <lethal@linux-sh.org> | 2011-01-13 15:06:28 +0900 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2011-01-13 15:06:28 +0900 |
commit | f43dc23d5ea91fca257be02138a255f02d98e806 (patch) | |
tree | b29722f6e965316e90ac97abf79923ced250dc21 /arch/arm/mach-nuc93x/irq.c | |
parent | f8e53553f452dcbf67cb89c8cba63a1cd6eb4cc0 (diff) | |
parent | 4162cf64973df51fc885825bc9ca4d055891c49f (diff) | |
download | op-kernel-dev-f43dc23d5ea91fca257be02138a255f02d98e806.zip op-kernel-dev-f43dc23d5ea91fca257be02138a255f02d98e806.tar.gz |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 into common/serial-rework
Conflicts:
arch/sh/kernel/cpu/sh2/setup-sh7619.c
arch/sh/kernel/cpu/sh2a/setup-mxg.c
arch/sh/kernel/cpu/sh2a/setup-sh7201.c
arch/sh/kernel/cpu/sh2a/setup-sh7203.c
arch/sh/kernel/cpu/sh2a/setup-sh7206.c
arch/sh/kernel/cpu/sh3/setup-sh7705.c
arch/sh/kernel/cpu/sh3/setup-sh770x.c
arch/sh/kernel/cpu/sh3/setup-sh7710.c
arch/sh/kernel/cpu/sh3/setup-sh7720.c
arch/sh/kernel/cpu/sh4/setup-sh4-202.c
arch/sh/kernel/cpu/sh4/setup-sh7750.c
arch/sh/kernel/cpu/sh4/setup-sh7760.c
arch/sh/kernel/cpu/sh4a/setup-sh7343.c
arch/sh/kernel/cpu/sh4a/setup-sh7366.c
arch/sh/kernel/cpu/sh4a/setup-sh7722.c
arch/sh/kernel/cpu/sh4a/setup-sh7723.c
arch/sh/kernel/cpu/sh4a/setup-sh7724.c
arch/sh/kernel/cpu/sh4a/setup-sh7763.c
arch/sh/kernel/cpu/sh4a/setup-sh7770.c
arch/sh/kernel/cpu/sh4a/setup-sh7780.c
arch/sh/kernel/cpu/sh4a/setup-sh7785.c
arch/sh/kernel/cpu/sh4a/setup-sh7786.c
arch/sh/kernel/cpu/sh4a/setup-shx3.c
arch/sh/kernel/cpu/sh5/setup-sh5.c
drivers/serial/sh-sci.c
drivers/serial/sh-sci.h
include/linux/serial_sci.h
Diffstat (limited to 'arch/arm/mach-nuc93x/irq.c')
-rw-r--r-- | arch/arm/mach-nuc93x/irq.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/arch/arm/mach-nuc93x/irq.c b/arch/arm/mach-nuc93x/irq.c new file mode 100644 index 0000000..a7a88ea --- /dev/null +++ b/arch/arm/mach-nuc93x/irq.c @@ -0,0 +1,66 @@ +/* + * linux/arch/arm/mach-nuc93x/irq.c + * + * Copyright (c) 2008 Nuvoton technology corporation. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation;version 2 of the License. + * + */ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/ioport.h> +#include <linux/ptrace.h> +#include <linux/sysdev.h> +#include <linux/io.h> + +#include <asm/irq.h> +#include <asm/mach/irq.h> + +#include <mach/hardware.h> +#include <mach/regs-irq.h> + +static void nuc93x_irq_mask(unsigned int irq) +{ + __raw_writel(1 << irq, REG_AIC_MDCR); +} + +/* + * By the w90p910 spec,any irq,only write 1 + * to REG_AIC_EOSCR for ACK + */ + +static void nuc93x_irq_ack(unsigned int irq) +{ + __raw_writel(0x01, REG_AIC_EOSCR); +} + +static void nuc93x_irq_unmask(unsigned int irq) +{ + __raw_writel(1 << irq, REG_AIC_MECR); + +} + +static struct irq_chip nuc93x_irq_chip = { + .ack = nuc93x_irq_ack, + .mask = nuc93x_irq_mask, + .unmask = nuc93x_irq_unmask, +}; + +void __init nuc93x_init_irq(void) +{ + int irqno; + + __raw_writel(0xFFFFFFFE, REG_AIC_MDCR); + + for (irqno = IRQ_WDT; irqno <= NR_IRQS; irqno++) { + set_irq_chip(irqno, &nuc93x_irq_chip); + set_irq_handler(irqno, handle_level_irq); + set_irq_flags(irqno, IRQF_VALID); + } +} |