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b920de1b DH |
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> | |
07c706a6 AV |
18 | #include <asm/intctl-regs.h> |
19 | #include <asm/serial-regs.h> | |
2f2a2132 | 20 | #include <unit/serial.h> |
b920de1b DH |
21 | |
22 | /* | |
23 | * initialise some of the unit hardware before gdbstub is set up | |
24 | */ | |
25 | asmlinkage 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 */ | |
368dd5ac AT |
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 */ |
b920de1b DH |
33 | } |
34 | ||
35 | /* | |
36 | * initialise the rest of the unit hardware after gdbstub is ready | |
37 | */ | |
38 | void __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 | */ | |
48 | void __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)); |
b920de1b DH |
57 | break; |
58 | default: | |
59 | break; | |
60 | } | |
61 | } | |
62 | } |