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8993e54b RJ |
1 | /* |
2 | * (C) Copyright 2000-2007 | |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
4 | * | |
5 | * Copyright 2004 Freescale Semiconductor, Inc. | |
6 | * | |
7 | * See file CREDITS for list of people who contributed to this | |
8 | * project. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or | |
11 | * modify it under the terms of the GNU General Public License as | |
12 | * published by the Free Software Foundation; either version 2 of | |
13 | * the License, or (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
23 | * MA 02111-1307 USA | |
24 | * | |
25 | * Derived from the MPC83xx code. | |
26 | */ | |
27 | ||
28 | #include <common.h> | |
29 | ||
30 | DECLARE_GLOBAL_DATA_PTR; | |
31 | ||
32 | struct irq_action { | |
33 | interrupt_handler_t *handler; | |
34 | void *arg; | |
35 | ulong count; | |
36 | }; | |
37 | ||
38 | int interrupt_init_cpu (unsigned *decrementer_count) | |
39 | { | |
6d0f6bcf | 40 | *decrementer_count = get_tbclk () / CONFIG_SYS_HZ; |
8993e54b RJ |
41 | |
42 | return 0; | |
43 | } | |
44 | ||
45 | /* | |
46 | * Install and free an interrupt handler. | |
47 | */ | |
48 | void | |
49 | irq_install_handler (int irq, interrupt_handler_t * handler, void *arg) | |
50 | { | |
51 | } | |
52 | ||
53 | void irq_free_handler (int irq) | |
54 | { | |
55 | } | |
56 | ||
57 | void timer_interrupt_cpu (struct pt_regs *regs) | |
58 | { | |
59 | /* nothing to do here */ | |
60 | return; | |
61 | } |