1/* 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#ifdef CONFIG_EXT_SERIAL_IRQ_LEVEL
36	set_intr_level(XIRQ0, NUM2GxICR_LEVEL(CONFIG_EXT_SERIAL_IRQ_LEVEL));
37#endif
38
39#ifdef CONFIG_ETHERNET_IRQ_LEVEL
40	set_intr_level(XIRQ3, NUM2GxICR_LEVEL(CONFIG_ETHERNET_IRQ_LEVEL));
41#endif
42}
43
44/*
45 * initialise the rest of the unit hardware after gdbstub is ready
46 */
47void __init unit_setup(void)
48{
49}
50
51/*
52 * initialise the external interrupts used by a unit of this type
53 */
54void __init unit_init_IRQ(void)
55{
56	unsigned int extnum;
57
58	for (extnum = 0; extnum < NR_XIRQS; extnum++) {
59		switch (GET_XIRQ_TRIGGER(extnum)) {
60		case XIRQ_TRIGGER_HILEVEL:
61		case XIRQ_TRIGGER_LOWLEVEL:
62			mn10300_set_lateack_irq_type(XIRQ2IRQ(extnum));
63			break;
64		default:
65			break;
66		}
67	}
68}
69