summaryrefslogtreecommitdiffstats
path: root/arch/xtensa/include/asm/platform.h
blob: 32e98f27ce9797cc6b82427ce9e98a3083158794 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
/*
 * Platform specific functions
 *
 * This file is subject to the terms and conditions of the GNU General
 * Public License.  See the file "COPYING" in the main directory of
 * this archive for more details.
 *
 * Copyright (C) 2001 - 2005 Tensilica Inc.
 */

#ifndef _XTENSA_PLATFORM_H
#define _XTENSA_PLATFORM_H

#include <linux/types.h>
#include <linux/pci.h>

#include <asm/bootparam.h>

/*
 * platform_init is called before the mmu is initialized to give the
 * platform a early hook-up. bp_tag_t is a list of configuration tags
 * passed from the boot-loader.
 */
extern void platform_init(bp_tag_t*);

/*
 * platform_setup is called from setup_arch with a pointer to the command-line
 * string.
 */
extern void platform_setup (char **);

/*
 * platform_restart is called to restart the system.
 */
extern void platform_restart (void);

/*
 * platform_halt is called to stop the system and halt.
 */
extern void platform_halt (void);

/*
 * platform_power_off is called to stop the system and power it off.
 */
extern void platform_power_off (void);

/*
 * platform_idle is called from the idle function.
 */
extern void platform_idle (void);

/*
 * platform_heartbeat is called every HZ
 */
extern void platform_heartbeat (void);

/*
 * platform_pcibios_init is called to allow the platform to setup the pci bus.
 */
extern void platform_pcibios_init (void);

/*
 * platform_pcibios_fixup allows to modify the PCI configuration.
 */
extern int platform_pcibios_fixup (void);

/*
 * platform_calibrate_ccount calibrates cpu clock freq (CONFIG_XTENSA_CALIBRATE)
 */
extern void platform_calibrate_ccount (void);

#endif	/* _XTENSA_PLATFORM_H */