Annotation of prex-old/dev/arm/cats/machdep.c, Revision 1.3
1.1 nbrk 1: /*
1.3 ! nbrk 2: * $Id: machdep.c,v 1.2 2008/07/23 21:00:07 nbrk Exp $
1.1 nbrk 3: */
4: /*-
5: * Copyright (c) 2007, Kohsuke Ohtani
6: * All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. Neither the name of the author nor the names of any co-contributors
17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30: * SUCH DAMAGE.
31: */
32:
33: /*
34: * machdep.c - machine dependent functions
35: */
36:
37: #include <driver.h>
38:
1.2 nbrk 39: extern uint32_t sapmc_getfreq(void);
40: extern void sapmc_setfreq(int mode);
41:
42:
1.1 nbrk 43: /*
44: * Set system to suspend power state.
45: */
46: void
47: machine_suspend(void)
48: {
49: }
50:
51: /*
52: * Power off system
53: */
54: void
55: machine_poweroff(void)
56: {
57:
58: irq_lock();
59: printk("The system is halted. You can turn off power.");
60: for (;;)
61: machine_idle();
62: }
63:
64:
65: /*
66: * Initialize
67: */
68: int
69: machine_init(void)
70: {
1.3 ! nbrk 71: /*
! 72: * Set Core frequency to maximum value.
! 73: */
! 74: printk("StrongARM Core Frequency %u MHz, ", sapmc_getfreq() / 1000000);
! 75: sapmc_setfreq(12);
! 76: printk("setting CCF to %u MHz\n", sapmc_getfreq() / 1000000);
1.1 nbrk 77:
78: return 0;
79: }
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