blob: 70e8cb4ea266153e0d0217933ff84e4f61bed7e1 [file] [log] [blame]
David Howellsb920de12008-02-08 04:19:31 -08001/* ASB2303 initialisation
2 *
3 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public Licence
8 * as published by the Free Software Foundation; either version
9 * 2 of the Licence, or (at your option) any later version.
10 */
11
12#include <linux/kernel.h>
13#include <linux/param.h>
14#include <linux/init.h>
15#include <linux/device.h>
16
17#include <asm/io.h>
18#include <asm/setup.h>
19#include <asm/processor.h>
20#include <asm/irq.h>
21#include <asm/intctl-regs.h>
22
23/*
24 * initialise some of the unit hardware before gdbstub is set up
25 */
26asmlinkage void __init unit_init(void)
27{
28 /* set up the external interrupts */
29 SET_XIRQ_TRIGGER(0, XIRQ_TRIGGER_HILEVEL);
30 SET_XIRQ_TRIGGER(2, XIRQ_TRIGGER_LOWLEVEL);
31 SET_XIRQ_TRIGGER(3, XIRQ_TRIGGER_HILEVEL);
32 SET_XIRQ_TRIGGER(4, XIRQ_TRIGGER_LOWLEVEL);
33 SET_XIRQ_TRIGGER(5, XIRQ_TRIGGER_LOWLEVEL);
34}
35
36/*
37 * initialise the rest of the unit hardware after gdbstub is ready
38 */
39void __init unit_setup(void)
40{
41}
42
43/*
44 * initialise the external interrupts used by a unit of this type
45 */
46void __init unit_init_IRQ(void)
47{
48 unsigned int extnum;
49
50 for (extnum = 0; extnum < NR_XIRQS; extnum++) {
51 switch (GET_XIRQ_TRIGGER(extnum)) {
52 case XIRQ_TRIGGER_HILEVEL:
53 case XIRQ_TRIGGER_LOWLEVEL:
David Howellsd6478fa2008-10-01 13:47:06 +010054 set_intr_postackable(XIRQ2IRQ(extnum));
David Howellsb920de12008-02-08 04:19:31 -080055 break;
56 default:
57 break;
58 }
59 }
60}