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MN10300: And Panasonic AM34 subarch and implement SMP
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1/* ASB2305 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#include <linux/kernel.h>
12#include <linux/param.h>
13#include <linux/init.h>
14#include <linux/pci.h>
15#include <asm/io.h>
16#include <asm/setup.h>
17#include <asm/processor.h>
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18#include <asm/intctl-regs.h>
19#include <asm/serial-regs.h>
2f2a2132 20#include <unit/serial.h>
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21
22/*
23 * initialise some of the unit hardware before gdbstub is set up
24 */
25asmlinkage void __init unit_init(void)
26{
27#ifndef CONFIG_GDBSTUB_ON_TTYSx
28 /* set the 16550 interrupt line to level 3 if not being used for GDB */
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29#ifdef CONFIG_EXT_SERIAL_IRQ_LEVEL
30 set_intr_level(XIRQ0, NUM2GxICR_LEVEL(CONFIG_EXT_SERIAL_IRQ_LEVEL));
b920de1b 31#endif
368dd5ac 32#endif /* CONFIG_GDBSTUB_ON_TTYSx */
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33}
34
35/*
36 * initialise the rest of the unit hardware after gdbstub is ready
37 */
38void __init unit_setup(void)
39{
40#ifdef CONFIG_PCI
41 unit_pci_init();
42#endif
43}
44
45/*
46 * initialise the external interrupts used by a unit of this type
47 */
48void __init unit_init_IRQ(void)
49{
50 unsigned int extnum;
51
52 for (extnum = 0; extnum < NR_XIRQS; extnum++) {
53 switch (GET_XIRQ_TRIGGER(extnum)) {
54 case XIRQ_TRIGGER_HILEVEL:
55 case XIRQ_TRIGGER_LOWLEVEL:
368dd5ac 56 mn10300_set_lateack_irq_type(XIRQ2IRQ(extnum));
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57 break;
58 default:
59 break;
60 }
61 }
62}