powerpc/mm: Move register_process_table() out of ppc_md
[linux-2.6-block.git] / arch / powerpc / include / asm / machdep.h
CommitLineData
b41fc4f8
PM
1#ifndef _ASM_POWERPC_MACHDEP_H
2#define _ASM_POWERPC_MACHDEP_H
143a1dec 3#ifdef __KERNEL__
1da177e4
LT
4
5/*
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 */
11
1da177e4
LT
12#include <linux/seq_file.h>
13#include <linux/init.h>
14#include <linux/dma-mapping.h>
93087948 15#include <linux/export.h>
1da177e4
LT
16
17#include <asm/setup.h>
18
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19/* We export this macro for external modules like Alsa to know if
20 * ppc_md.feature_call is implemented or not
21 */
22#define CONFIG_PPC_HAS_FEATURE_CALLS
23
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LT
24struct pt_regs;
25struct pci_bus;
26struct device_node;
27struct iommu_table;
28struct rtc_time;
29struct file;
4c9d2800 30struct pci_controller;
3d1229d6 31struct kimage;
d82fb31a 32struct pci_host_bridge;
1da177e4 33
1da177e4 34struct machdep_calls {
e8222502 35 char *name;
143a1dec 36#ifdef CONFIG_PPC64
68a64357 37 void __iomem * (*ioremap)(phys_addr_t addr, unsigned long size,
1cdab55d 38 unsigned long flags, void *caller);
68a64357 39 void (*iounmap)(volatile void __iomem *token);
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JB
40
41#ifdef CONFIG_PM
42 void (*iommu_save)(void);
43 void (*iommu_restore)(void);
44#endif
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AB
45#ifdef CONFIG_MEMORY_HOTPLUG_SPARSE
46 unsigned long (*memory_block_size)(void);
47#endif
e8222502 48#endif /* CONFIG_PPC64 */
1da177e4 49
6a5c7be5 50 /* Platform set_dma_mask and dma_get_required_mask overrides */
5b6e9ff6 51 int (*dma_set_mask)(struct device *dev, u64 dma_mask);
6a5c7be5 52 u64 (*dma_get_required_mask)(struct device *dev);
5b6e9ff6 53
e8222502 54 int (*probe)(void);
38db7e74 55 void (*setup_arch)(void); /* Optional, may be NULL */
1da177e4 56 /* Optional, may be NULL. */
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57 void (*show_cpuinfo)(struct seq_file *m);
58 void (*show_percpuinfo)(struct seq_file *m, int i);
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59 /* Returns the current operating frequency of "cpu" in Hz */
60 unsigned long (*get_proc_freq)(unsigned int cpu);
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LT
61
62 void (*init_IRQ)(void);
9b647a30 63
7ba3e4f5 64 /* Return an irq, or NO_IRQ to indicate there are none pending. */
35a84c2f 65 unsigned int (*get_irq)(void);
1da177e4
LT
66
67 /* PCI stuff */
6ec73343 68 /* Called after allocating resources */
1da177e4 69 void (*pcibios_fixup)(void);
f90bb153 70 void (*pci_irq_fixup)(struct pci_dev *dev);
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KSS
71 int (*pcibios_root_bridge_prepare)(struct pci_host_bridge
72 *bridge);
1da177e4 73
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BH
74 /* To setup PHBs when using automatic OF platform driver for PCI */
75 int (*pci_setup_phb)(struct pci_controller *host);
76
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DA
77 void __noreturn (*restart)(char *cmd);
78 void __noreturn (*halt)(void);
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LT
79 void (*panic)(char *str);
80 void (*cpu_die)(void);
81
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PM
82 long (*time_init)(void); /* Optional, may be NULL */
83
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LT
84 int (*set_rtc_time)(struct rtc_time *);
85 void (*get_rtc_time)(struct rtc_time *);
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86 unsigned long (*get_boot_time)(void);
87 unsigned char (*rtc_read_val)(int addr);
88 void (*rtc_write_val)(int addr, unsigned char val);
1da177e4
LT
89
90 void (*calibrate_decr)(void);
91
92 void (*progress)(char *, unsigned short);
93
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LT
94 /* Interface for platform error logging */
95 void (*log_error)(char *buf, unsigned int err_type, int fatal);
96
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97 unsigned char (*nvram_read_val)(int addr);
98 void (*nvram_write_val)(int addr, unsigned char val);
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LT
99 ssize_t (*nvram_write)(char *buf, size_t count, loff_t *index);
100 ssize_t (*nvram_read)(char *buf, size_t count, loff_t *index);
101 ssize_t (*nvram_size)(void);
143a1dec 102 void (*nvram_sync)(void);
1da177e4
LT
103
104 /* Exception handlers */
c902be71 105 int (*system_reset_exception)(struct pt_regs *regs);
1da177e4 106 int (*machine_check_exception)(struct pt_regs *regs);
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MS
107 int (*handle_hmi_exception)(struct pt_regs *regs);
108
109 /* Early exception handlers called in realmode */
110 int (*hmi_exception_early)(struct pt_regs *regs);
1da177e4 111
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MS
112 /* Called during machine check exception to retrive fixup address. */
113 bool (*mce_check_early_recovery)(struct pt_regs *regs);
114
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LT
115 /* Motherboard/chipset features. This is a kind of general purpose
116 * hook used to control some machine specific features (like reset
117 * lines, chip power control, etc...).
118 */
119 long (*feature_call)(unsigned int feature, ...);
120
1da177e4
LT
121 /* Get legacy PCI/IDE interrupt mapping */
122 int (*pci_get_legacy_ide_irq)(struct pci_dev *dev, int channel);
123
124 /* Get access protection for /dev/mem */
125 pgprot_t (*phys_mem_access_prot)(struct file *file,
8b150478 126 unsigned long pfn,
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LT
127 unsigned long size,
128 pgprot_t vma_prot);
129
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PM
130 /*
131 * Function for waiting for work with reduced power in idle loop;
132 * called with interrupts disabled.
133 */
134 void (*power_save)(void);
135
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PM
136 /* Function to enable performance monitor counters for this
137 platform, called once per cpu. */
180a3362 138 void (*enable_pmcs)(void);
143a1dec 139
446957ba 140 /* Set DABR for this platform, leave empty for default implementation */
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141 int (*set_dabr)(unsigned long dabr,
142 unsigned long dabrx);
76032de8 143
446957ba 144 /* Set DAWR for this platform, leave empty for default implementation */
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MN
145 int (*set_dawr)(unsigned long dawr,
146 unsigned long dawrx);
147
143a1dec 148#ifdef CONFIG_PPC32 /* XXX for now */
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149 /* A general init function, called by ppc_init in init/main.c.
150 May be NULL. */
151 void (*init)(void);
152
143a1dec
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153 void (*kgdb_map_scc)(void);
154
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155 /*
156 * optional PCI "hooks"
157 */
143a1dec
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158 /* Called at then very end of pcibios_init() */
159 void (*pcibios_after_init)(void);
160
3d1229d6 161#endif /* CONFIG_PPC32 */
143a1dec 162
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KG
163 /* Called in indirect_* to avoid touching devices */
164 int (*pci_exclude_device)(struct pci_controller *, unsigned char, unsigned char);
165
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BH
166 /* Called after PPC generic resource fixup to perform
167 machine specific fixups */
168 void (*pcibios_fixup_resources)(struct pci_dev *);
169
170 /* Called for each PCI bus in the system when it's probed */
171 void (*pcibios_fixup_bus)(struct pci_bus *);
172
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BH
173 /* Called after scan and before resource survey */
174 void (*pcibios_fixup_phb)(struct pci_controller *hose);
175
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WY
176#ifdef CONFIG_PCI_IOV
177 void (*pcibios_fixup_sriov)(struct pci_dev *pdev);
5350ab3f 178 resource_size_t (*pcibios_iov_resource_alignment)(struct pci_dev *, int resno);
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WY
179#endif /* CONFIG_PCI_IOV */
180
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181 /* Called to shutdown machine specific hardware not already controlled
182 * by other drivers.
143a1dec
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183 */
184 void (*machine_shutdown)(void);
185
3d1229d6 186#ifdef CONFIG_KEXEC
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AB
187 void (*kexec_cpu_down)(int crash_shutdown, int secondary);
188
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PM
189 /* Called to do what every setup is needed on image and the
190 * reboot code buffer. Returns 0 on success.
191 * Provide your own (maybe dummy) implementation if your platform
192 * claims to support kexec.
193 */
194 int (*machine_kexec_prepare)(struct kimage *image);
357574c4
AB
195
196 /* Called to perform the _real_ kexec.
197 * Do NOT allocate memory or fail here. We are past the point of
198 * no return.
199 */
200 void (*machine_kexec)(struct kimage *image);
143a1dec 201#endif /* CONFIG_KEXEC */
7ac5dde9
SW
202
203#ifdef CONFIG_SUSPEND
204 /* These are called to disable and enable, respectively, IRQs when
205 * entering a suspend state. If NULL, then the generic versions
206 * will be called. The generic versions disable/enable the
207 * decrementer along with interrupts.
208 */
209 void (*suspend_disable_irqs)(void);
210 void (*suspend_enable_irqs)(void);
211#endif
32d8ad4e 212 int (*suspend_disable_cpu)(void);
12633e80
NF
213
214#ifdef CONFIG_ARCH_CPU_PROBE_RELEASE
215 ssize_t (*cpu_probe)(const char *, size_t);
216 ssize_t (*cpu_release)(const char *, size_t);
217#endif
a4da0d50
ME
218
219#ifdef CONFIG_ARCH_RANDOM
01c9348c 220 int (*get_random_seed)(unsigned long *v);
a4da0d50 221#endif
1da177e4
LT
222};
223
fc4033b2 224extern void e500_idle(void);
a0652fc9 225extern void power4_idle(void);
948cf67c 226extern void power7_idle(void);
a0652fc9 227extern void ppc6xx_idle(void);
34d97e07 228extern void book3e_idle(void);
fd899c0c 229
e8222502
BH
230/*
231 * ppc_md contains a copy of the machine description structure for the
232 * current platform. machine_id contains the initial address where the
233 * description was found during boot.
234 */
1da177e4 235extern struct machdep_calls ppc_md;
e8222502
BH
236extern struct machdep_calls *machine_id;
237
238#define __machine_desc __attribute__ ((__section__ (".machine.desc")))
239
d0e15bed
PM
240#define define_machine(name) \
241 extern struct machdep_calls mach_##name; \
242 EXPORT_SYMBOL(mach_##name); \
243 struct machdep_calls mach_##name __machine_desc =
244
e8222502
BH
245#define machine_is(name) \
246 ({ \
247 extern struct machdep_calls mach_##name \
248 __attribute__((weak)); \
249 machine_id == &mach_##name; \
250 })
251
252extern void probe_machine(void);
253
1da177e4
LT
254#ifdef CONFIG_PPC_PMAC
255/*
256 * Power macintoshes have either a CUDA, PMU or SMU controlling
257 * system reset, power, NVRAM, RTC.
258 */
259typedef enum sys_ctrler_kind {
260 SYS_CTRLER_UNKNOWN = 0,
261 SYS_CTRLER_CUDA = 1,
262 SYS_CTRLER_PMU = 2,
263 SYS_CTRLER_SMU = 3,
264} sys_ctrler_t;
265extern sys_ctrler_t sys_ctrler;
266
267#endif /* CONFIG_PPC_PMAC */
268
1da177e4
LT
269static inline void log_error(char *buf, unsigned int err_type, int fatal)
270{
271 if (ppc_md.log_error)
272 ppc_md.log_error(buf, err_type, fatal);
273}
274
7929d407 275#define __define_machine_initcall(mach, fn, id) \
800d68c3
GL
276 static int __init __machine_initcall_##mach##_##fn(void) { \
277 if (machine_is(mach)) return fn(); \
278 return 0; \
279 } \
7929d407
ML
280 __define_initcall(__machine_initcall_##mach##_##fn, id);
281
8d3c941e 282#define machine_early_initcall(mach, fn) __define_machine_initcall(mach, fn, early)
7929d407
ML
283#define machine_core_initcall(mach, fn) __define_machine_initcall(mach, fn, 1)
284#define machine_core_initcall_sync(mach, fn) __define_machine_initcall(mach, fn, 1s)
285#define machine_postcore_initcall(mach, fn) __define_machine_initcall(mach, fn, 2)
286#define machine_postcore_initcall_sync(mach, fn) __define_machine_initcall(mach, fn, 2s)
287#define machine_arch_initcall(mach, fn) __define_machine_initcall(mach, fn, 3)
288#define machine_arch_initcall_sync(mach, fn) __define_machine_initcall(mach, fn, 3s)
289#define machine_subsys_initcall(mach, fn) __define_machine_initcall(mach, fn, 4)
290#define machine_subsys_initcall_sync(mach, fn) __define_machine_initcall(mach, fn, 4s)
291#define machine_fs_initcall(mach, fn) __define_machine_initcall(mach, fn, 5)
292#define machine_fs_initcall_sync(mach, fn) __define_machine_initcall(mach, fn, 5s)
293#define machine_rootfs_initcall(mach, fn) __define_machine_initcall(mach, fn, rootfs)
294#define machine_device_initcall(mach, fn) __define_machine_initcall(mach, fn, 6)
295#define machine_device_initcall_sync(mach, fn) __define_machine_initcall(mach, fn, 6s)
296#define machine_late_initcall(mach, fn) __define_machine_initcall(mach, fn, 7)
297#define machine_late_initcall_sync(mach, fn) __define_machine_initcall(mach, fn, 7s)
800d68c3 298
1da177e4 299#endif /* __KERNEL__ */
b41fc4f8 300#endif /* _ASM_POWERPC_MACHDEP_H */