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7282bee7 CZ |
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 | ||
7282bee7 CZ |
16 | #include <linux/types.h> |
17 | #include <linux/pci.h> | |
18 | ||
19 | #include <asm/bootparam.h> | |
20 | ||
21 | /* | |
22 | * platform_init is called before the mmu is initialized to give the | |
23 | * platform a early hook-up. bp_tag_t is a list of configuration tags | |
24 | * passed from the boot-loader. | |
25 | */ | |
26 | extern void platform_init(bp_tag_t*); | |
27 | ||
28 | /* | |
29 | * platform_setup is called from setup_arch with a pointer to the command-line | |
30 | * string. | |
31 | */ | |
32 | extern void platform_setup (char **); | |
33 | ||
34 | /* | |
35 | * platform_init_irq is called from init_IRQ. | |
36 | */ | |
37 | extern void platform_init_irq (void); | |
38 | ||
39 | /* | |
40 | * platform_restart is called to restart the system. | |
41 | */ | |
42 | extern void platform_restart (void); | |
43 | ||
44 | /* | |
45 | * platform_halt is called to stop the system and halt. | |
46 | */ | |
47 | extern void platform_halt (void); | |
48 | ||
49 | /* | |
50 | * platform_power_off is called to stop the system and power it off. | |
51 | */ | |
52 | extern void platform_power_off (void); | |
53 | ||
54 | /* | |
55 | * platform_idle is called from the idle function. | |
56 | */ | |
57 | extern void platform_idle (void); | |
58 | ||
59 | /* | |
60 | * platform_heartbeat is called every HZ | |
61 | */ | |
62 | extern void platform_heartbeat (void); | |
63 | ||
64 | /* | |
65 | * platform_pcibios_init is called to allow the platform to setup the pci bus. | |
66 | */ | |
67 | extern void platform_pcibios_init (void); | |
68 | ||
69 | /* | |
70 | * platform_pcibios_fixup allows to modify the PCI configuration. | |
71 | */ | |
72 | extern int platform_pcibios_fixup (void); | |
73 | ||
74 | /* | |
75 | * platform_calibrate_ccount calibrates cpu clock freq (CONFIG_XTENSA_CALIBRATE) | |
76 | */ | |
77 | extern void platform_calibrate_ccount (void); | |
78 | ||
79 | /* | |
80 | * platform_get_rtc_time returns RTC seconds (returns 0 for no error) | |
81 | */ | |
82 | extern int platform_get_rtc_time(time_t*); | |
83 | ||
84 | /* | |
85 | * platform_set_rtc_time set RTC seconds (returns 0 for no error) | |
86 | */ | |
87 | extern int platform_set_rtc_time(time_t); | |
88 | ||
89 | ||
90 | #endif /* _XTENSA_PLATFORM_H */ | |
91 |