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1/*
2 * include/asm-xtensa/platform.h
3 *
4 * Platform specific functions
5 *
6 * This file is subject to the terms and conditions of the GNU General
7 * Public License. See the file "COPYING" in the main directory of
8 * this archive for more details.
9 *
10 * Copyright (C) 2001 - 2005 Tensilica Inc.
11 */
12
13#ifndef _XTENSA_PLATFORM_H
14#define _XTENSA_PLATFORM_H
15
16#include <linux/config.h>
17#include <linux/types.h>
18#include <linux/pci.h>
19
20#include <asm/bootparam.h>
21
22/*
23 * platform_init is called before the mmu is initialized to give the
24 * platform a early hook-up. bp_tag_t is a list of configuration tags
25 * passed from the boot-loader.
26 */
27extern void platform_init(bp_tag_t*);
28
29/*
30 * platform_setup is called from setup_arch with a pointer to the command-line
31 * string.
32 */
33extern void platform_setup (char **);
34
35/*
36 * platform_init_irq is called from init_IRQ.
37 */
38extern void platform_init_irq (void);
39
40/*
41 * platform_restart is called to restart the system.
42 */
43extern void platform_restart (void);
44
45/*
46 * platform_halt is called to stop the system and halt.
47 */
48extern void platform_halt (void);
49
50/*
51 * platform_power_off is called to stop the system and power it off.
52 */
53extern void platform_power_off (void);
54
55/*
56 * platform_idle is called from the idle function.
57 */
58extern void platform_idle (void);
59
60/*
61 * platform_heartbeat is called every HZ
62 */
63extern void platform_heartbeat (void);
64
65/*
66 * platform_pcibios_init is called to allow the platform to setup the pci bus.
67 */
68extern void platform_pcibios_init (void);
69
70/*
71 * platform_pcibios_fixup allows to modify the PCI configuration.
72 */
73extern int platform_pcibios_fixup (void);
74
75/*
76 * platform_calibrate_ccount calibrates cpu clock freq (CONFIG_XTENSA_CALIBRATE)
77 */
78extern void platform_calibrate_ccount (void);
79
80/*
81 * platform_get_rtc_time returns RTC seconds (returns 0 for no error)
82 */
83extern int platform_get_rtc_time(time_t*);
84
85/*
86 * platform_set_rtc_time set RTC seconds (returns 0 for no error)
87 */
88extern int platform_set_rtc_time(time_t);
89
90
91#endif /* _XTENSA_PLATFORM_H */
92