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1da177e4 LT |
1 | #ifdef __KERNEL__ |
2 | #ifndef _PPC_MACHDEP_H | |
3 | #define _PPC_MACHDEP_H | |
4 | ||
5 | #include <linux/config.h> | |
6 | #include <linux/init.h> | |
70765aa4 | 7 | #include <linux/kexec.h> |
1da177e4 LT |
8 | |
9 | #include <asm/setup.h> | |
10 | #include <asm/page.h> | |
11 | ||
12 | #ifdef CONFIG_APUS | |
13 | #include <asm-m68k/machdep.h> | |
14 | #endif | |
15 | ||
16 | struct pt_regs; | |
17 | struct pci_bus; | |
18 | struct pci_dev; | |
19 | struct seq_file; | |
20 | struct file; | |
21 | ||
22 | /* We export this macro for external modules like Alsa to know if | |
23 | * ppc_md.feature_call is implemented or not | |
24 | */ | |
25 | #define CONFIG_PPC_HAS_FEATURE_CALLS | |
26 | ||
27 | struct machdep_calls { | |
28 | void (*setup_arch)(void); | |
29 | /* Optional, may be NULL. */ | |
30 | int (*show_cpuinfo)(struct seq_file *m); | |
31 | int (*show_percpuinfo)(struct seq_file *m, int i); | |
32 | /* Optional, may be NULL. */ | |
33 | unsigned int (*irq_canonicalize)(unsigned int irq); | |
34 | void (*init_IRQ)(void); | |
35 | int (*get_irq)(struct pt_regs *); | |
36 | ||
37 | /* A general init function, called by ppc_init in init/main.c. | |
51d3082f | 38 | May be NULL. DEPRECATED ! */ |
1da177e4 | 39 | void (*init)(void); |
51d3082f BH |
40 | /* For compatibility with merged platforms */ |
41 | void (*init_early)(void); | |
1da177e4 LT |
42 | |
43 | void (*restart)(char *cmd); | |
44 | void (*power_off)(void); | |
45 | void (*halt)(void); | |
46 | ||
a0652fc9 | 47 | void (*idle_loop)(void); |
1da177e4 LT |
48 | void (*power_save)(void); |
49 | ||
50 | long (*time_init)(void); /* Optional, may be NULL */ | |
51 | int (*set_rtc_time)(unsigned long nowtime); | |
52 | unsigned long (*get_rtc_time)(void); | |
53 | unsigned char (*rtc_read_val)(int addr); | |
54 | void (*rtc_write_val)(int addr, unsigned char val); | |
55 | void (*calibrate_decr)(void); | |
56 | ||
57 | void (*heartbeat)(void); | |
58 | unsigned long heartbeat_reset; | |
59 | unsigned long heartbeat_count; | |
60 | ||
61 | unsigned long (*find_end_of_memory)(void); | |
62 | void (*setup_io_mappings)(void); | |
63 | ||
64 | void (*early_serial_map)(void); | |
65 | void (*progress)(char *, unsigned short); | |
66 | void (*kgdb_map_scc)(void); | |
67 | ||
68 | unsigned char (*nvram_read_val)(int addr); | |
69 | void (*nvram_write_val)(int addr, unsigned char val); | |
70 | void (*nvram_sync)(void); | |
71 | ||
72 | /* | |
73 | * optional PCI "hooks" | |
74 | */ | |
75 | ||
76 | /* Called after scanning the bus, before allocating resources */ | |
77 | void (*pcibios_fixup)(void); | |
78 | ||
79 | /* Called after PPC generic resource fixup to perform | |
80 | machine specific fixups */ | |
81 | void (*pcibios_fixup_resources)(struct pci_dev *); | |
82 | ||
83 | /* Called for each PCI bus in the system when it's probed */ | |
84 | void (*pcibios_fixup_bus)(struct pci_bus *); | |
85 | ||
86 | /* Called when pci_enable_device() is called (initial=0) or | |
87 | * when a device with no assigned resource is found (initial=1). | |
88 | * Returns 0 to allow assignment/enabling of the device. */ | |
89 | int (*pcibios_enable_device_hook)(struct pci_dev *, int initial); | |
90 | ||
91 | /* For interrupt routing */ | |
92 | unsigned char (*pci_swizzle)(struct pci_dev *, unsigned char *); | |
93 | int (*pci_map_irq)(struct pci_dev *, unsigned char, unsigned char); | |
94 | ||
95 | /* Called in indirect_* to avoid touching devices */ | |
96 | int (*pci_exclude_device)(unsigned char, unsigned char); | |
97 | ||
98 | /* Called at then very end of pcibios_init() */ | |
99 | void (*pcibios_after_init)(void); | |
100 | ||
101 | /* Get access protection for /dev/mem */ | |
102 | pgprot_t (*phys_mem_access_prot)(struct file *file, | |
8b150478 | 103 | unsigned long pfn, |
1da177e4 LT |
104 | unsigned long size, |
105 | pgprot_t vma_prot); | |
106 | ||
107 | /* this is for modules, since _machine can be a define -- Cort */ | |
108 | int ppc_machine; | |
109 | ||
110 | /* Motherboard/chipset features. This is a kind of general purpose | |
111 | * hook used to control some machine specific features (like reset | |
112 | * lines, chip power control, etc...). | |
113 | */ | |
114 | long (*feature_call)(unsigned int feature, ...); | |
115 | ||
116 | #ifdef CONFIG_SMP | |
117 | /* functions for dealing with other cpus */ | |
118 | struct smp_ops_t *smp_ops; | |
119 | #endif /* CONFIG_SMP */ | |
70765aa4 EB |
120 | |
121 | #ifdef CONFIG_KEXEC | |
122 | /* Called to shutdown machine specific hardware not already controlled | |
123 | * by other drivers. | |
124 | * XXX Should we move this one out of kexec scope? | |
125 | */ | |
126 | void (*machine_shutdown)(void); | |
127 | ||
128 | /* Called to do the minimal shutdown needed to run a kexec'd kernel | |
129 | * to run successfully. | |
130 | * XXX Should we move this one out of kexec scope? | |
131 | */ | |
132 | void (*machine_crash_shutdown)(void); | |
133 | ||
134 | /* Called to do what every setup is needed on image and the | |
135 | * reboot code buffer. Returns 0 on success. | |
136 | * Provide your own (maybe dummy) implementation if your platform | |
137 | * claims to support kexec. | |
138 | */ | |
139 | int (*machine_kexec_prepare)(struct kimage *image); | |
140 | ||
141 | /* Called to handle any machine specific cleanup on image */ | |
142 | void (*machine_kexec_cleanup)(struct kimage *image); | |
143 | ||
144 | /* Called to perform the _real_ kexec. | |
145 | * Do NOT allocate memory or fail here. We are past the point of | |
146 | * no return. | |
147 | */ | |
148 | void (*machine_kexec)(struct kimage *image); | |
149 | #endif /* CONFIG_KEXEC */ | |
1da177e4 LT |
150 | }; |
151 | ||
152 | extern struct machdep_calls ppc_md; | |
153 | extern char cmd_line[COMMAND_LINE_SIZE]; | |
154 | ||
155 | extern void setup_pci_ptrs(void); | |
156 | ||
1da177e4 LT |
157 | #ifdef CONFIG_SMP |
158 | struct smp_ops_t { | |
17a6392d | 159 | void (*message_pass)(int target, int msg); |
1da177e4 LT |
160 | int (*probe)(void); |
161 | void (*kick_cpu)(int nr); | |
162 | void (*setup_cpu)(int nr); | |
163 | void (*space_timers)(int nr); | |
164 | void (*take_timebase)(void); | |
165 | void (*give_timebase)(void); | |
166 | }; | |
167 | ||
168 | /* Poor default implementations */ | |
169 | extern void __devinit smp_generic_give_timebase(void); | |
170 | extern void __devinit smp_generic_take_timebase(void); | |
171 | #endif /* CONFIG_SMP */ | |
172 | ||
173 | #endif /* _PPC_MACHDEP_H */ | |
174 | #endif /* __KERNEL__ */ |