61 lines
1.4 KiB
C
61 lines
1.4 KiB
C
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/* ASB2303 initialisation
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*
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* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public Licence
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* as published by the Free Software Foundation; either version
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* 2 of the Licence, or (at your option) any later version.
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*/
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#include <linux/kernel.h>
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#include <linux/param.h>
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#include <linux/init.h>
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#include <linux/device.h>
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#include <asm/io.h>
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#include <asm/setup.h>
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#include <asm/processor.h>
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#include <asm/irq.h>
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#include <asm/intctl-regs.h>
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/*
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* initialise some of the unit hardware before gdbstub is set up
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*/
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asmlinkage void __init unit_init(void)
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{
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/* set up the external interrupts */
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SET_XIRQ_TRIGGER(0, XIRQ_TRIGGER_HILEVEL);
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SET_XIRQ_TRIGGER(2, XIRQ_TRIGGER_LOWLEVEL);
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SET_XIRQ_TRIGGER(3, XIRQ_TRIGGER_HILEVEL);
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SET_XIRQ_TRIGGER(4, XIRQ_TRIGGER_LOWLEVEL);
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SET_XIRQ_TRIGGER(5, XIRQ_TRIGGER_LOWLEVEL);
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}
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/*
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* initialise the rest of the unit hardware after gdbstub is ready
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*/
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void __init unit_setup(void)
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{
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}
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/*
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* initialise the external interrupts used by a unit of this type
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*/
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void __init unit_init_IRQ(void)
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{
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unsigned int extnum;
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for (extnum = 0; extnum < NR_XIRQS; extnum++) {
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switch (GET_XIRQ_TRIGGER(extnum)) {
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case XIRQ_TRIGGER_HILEVEL:
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case XIRQ_TRIGGER_LOWLEVEL:
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set_irq_handler(XIRQ2IRQ(extnum), handle_level_irq);
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break;
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default:
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break;
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}
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}
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}
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