]>
Commit | Line | Data |
---|---|---|
983fda83 WD |
1 | /* |
2 | * (C) Copyright -2003 | |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
4 | * | |
5 | * (C) Copyright 2001 | |
6 | * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc. | |
7 | * | |
8 | * See file CREDITS for list of people who contributed to this | |
9 | * project. | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or | |
12 | * modify it under the terms of the GNU General Public License as | |
13 | * published by the Free Software Foundation; either version 2 of | |
14 | * the License, or (at your option) any later version. | |
15 | * | |
16 | * This program is distributed in the hope that it will be useful, | |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | * GNU General Public License for more details. | |
20 | * | |
21 | * You should have received a copy of the GNU General Public License | |
22 | * along with this program; if not, write to the Free Software | |
23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
24 | * MA 02111-1307 USA | |
25 | */ | |
26 | ||
27 | /* | |
28 | * interrupts.c - just enough support for the decrementer/timer | |
29 | */ | |
30 | ||
31 | #include <common.h> | |
32 | #include <asm/processor.h> | |
33 | #include <command.h> | |
34 | ||
35 | int interrupt_init_cpu (ulong * decrementer_count) | |
36 | { | |
6d0f6bcf | 37 | *decrementer_count = get_tbclk () / CONFIG_SYS_HZ; |
983fda83 WD |
38 | |
39 | return (0); | |
40 | } | |
41 | ||
42 | /****************************************************************************/ | |
43 | ||
44 | /* | |
45 | * Handle external interrupts | |
46 | */ | |
47 | void external_interrupt (struct pt_regs *regs) | |
48 | { | |
49 | puts ("external_interrupt (oops!)\n"); | |
50 | } | |
51 | ||
52 | void timer_interrupt_cpu (struct pt_regs *regs) | |
53 | { | |
54 | /* nothing to do here */ | |
55 | return; | |
56 | } | |
57 | ||
58 | /****************************************************************************/ | |
59 | ||
60 | /* | |
61 | * Install and free a interrupt handler. | |
62 | */ | |
63 | ||
64 | void irq_install_handler (int vec, interrupt_handler_t * handler, void *arg) | |
65 | { | |
66 | ||
67 | } | |
68 | ||
69 | void irq_free_handler (int vec) | |
70 | { | |
71 | ||
72 | } | |
73 | ||
74 | /****************************************************************************/ | |
75 | ||
76 | void | |
77 | do_irqinfo (cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[]) | |
78 | { | |
79 | puts ("IRQ related functions are unimplemented currently.\n"); | |
80 | } |