1#ifndef _ASM_POWERPC_MACHDEP_H
2#define _ASM_POWERPC_MACHDEP_H
3#ifdef __KERNEL__
4
5
6
7
8
9
10
11
12#include <linux/seq_file.h>
13#include <linux/init.h>
14#include <linux/dma-mapping.h>
15
16#include <asm/setup.h>
17
18
19
20
21#define CONFIG_PPC_HAS_FEATURE_CALLS
22
23struct pt_regs;
24struct pci_bus;
25struct device_node;
26struct iommu_table;
27struct rtc_time;
28struct file;
29struct pci_controller;
30#ifdef CONFIG_KEXEC
31struct kimage;
32#endif
33
34#ifdef CONFIG_SMP
35struct smp_ops_t {
36 void (*message_pass)(int target, int msg);
37 int (*probe)(void);
38 void (*kick_cpu)(int nr);
39 void (*setup_cpu)(int nr);
40 void (*take_timebase)(void);
41 void (*give_timebase)(void);
42 int (*cpu_enable)(unsigned int nr);
43 int (*cpu_disable)(void);
44 void (*cpu_die)(unsigned int nr);
45 int (*cpu_bootable)(unsigned int nr);
46};
47#endif
48
49struct machdep_calls {
50 char *name;
51#ifdef CONFIG_PPC64
52 void (*hpte_invalidate)(unsigned long slot,
53 unsigned long va,
54 int psize, int ssize,
55 int local);
56 long (*hpte_updatepp)(unsigned long slot,
57 unsigned long newpp,
58 unsigned long va,
59 int psize, int ssize,
60 int local);
61 void (*hpte_updateboltedpp)(unsigned long newpp,
62 unsigned long ea,
63 int psize, int ssize);
64 long (*hpte_insert)(unsigned long hpte_group,
65 unsigned long va,
66 unsigned long prpn,
67 unsigned long rflags,
68 unsigned long vflags,
69 int psize, int ssize);
70 long (*hpte_remove)(unsigned long hpte_group);
71 void (*hpte_removebolted)(unsigned long ea,
72 int psize, int ssize);
73 void (*flush_hash_range)(unsigned long number, int local);
74
75
76
77 void (*hpte_clear_all)(void);
78
79 int (*tce_build)(struct iommu_table *tbl,
80 long index,
81 long npages,
82 unsigned long uaddr,
83 enum dma_data_direction direction,
84 struct dma_attrs *attrs);
85 void (*tce_free)(struct iommu_table *tbl,
86 long index,
87 long npages);
88 unsigned long (*tce_get)(struct iommu_table *tbl,
89 long index);
90 void (*tce_flush)(struct iommu_table *tbl);
91
92 void __iomem * (*ioremap)(phys_addr_t addr, unsigned long size,
93 unsigned long flags, void *caller);
94 void (*iounmap)(volatile void __iomem *token);
95
96#ifdef CONFIG_PM
97 void (*iommu_save)(void);
98 void (*iommu_restore)(void);
99#endif
100#endif
101
102 void (*pci_dma_dev_setup)(struct pci_dev *dev);
103 void (*pci_dma_bus_setup)(struct pci_bus *bus);
104
105 int (*probe)(void);
106 void (*setup_arch)(void);
107 void (*init_early)(void);
108
109 void (*show_cpuinfo)(struct seq_file *m);
110 void (*show_percpuinfo)(struct seq_file *m, int i);
111
112 void (*init_IRQ)(void);
113
114
115
116
117 unsigned int (*get_irq)(void);
118#ifdef CONFIG_KEXEC
119 void (*kexec_cpu_down)(int crash_shutdown, int secondary);
120#endif
121
122
123
124 void (*pcibios_fixup)(void);
125 int (*pci_probe_mode)(struct pci_bus *);
126 void (*pci_irq_fixup)(struct pci_dev *dev);
127
128
129 int (*pci_setup_phb)(struct pci_controller *host);
130
131#ifdef CONFIG_PCI_MSI
132 int (*msi_check_device)(struct pci_dev* dev,
133 int nvec, int type);
134 int (*setup_msi_irqs)(struct pci_dev *dev,
135 int nvec, int type);
136 void (*teardown_msi_irqs)(struct pci_dev *dev);
137#endif
138
139 void (*restart)(char *cmd);
140 void (*power_off)(void);
141 void (*halt)(void);
142 void (*panic)(char *str);
143 void (*cpu_die)(void);
144
145 long (*time_init)(void);
146
147 int (*set_rtc_time)(struct rtc_time *);
148 void (*get_rtc_time)(struct rtc_time *);
149 unsigned long (*get_boot_time)(void);
150 unsigned char (*rtc_read_val)(int addr);
151 void (*rtc_write_val)(int addr, unsigned char val);
152
153 void (*calibrate_decr)(void);
154
155 void (*progress)(char *, unsigned short);
156
157
158 void (*log_error)(char *buf, unsigned int err_type, int fatal);
159
160 unsigned char (*nvram_read_val)(int addr);
161 void (*nvram_write_val)(int addr, unsigned char val);
162 ssize_t (*nvram_write)(char *buf, size_t count, loff_t *index);
163 ssize_t (*nvram_read)(char *buf, size_t count, loff_t *index);
164 ssize_t (*nvram_size)(void);
165 void (*nvram_sync)(void);
166
167
168 int (*system_reset_exception)(struct pt_regs *regs);
169 int (*machine_check_exception)(struct pt_regs *regs);
170
171
172
173
174
175 long (*feature_call)(unsigned int feature, ...);
176
177
178 int (*pci_get_legacy_ide_irq)(struct pci_dev *dev, int channel);
179
180
181 pgprot_t (*phys_mem_access_prot)(struct file *file,
182 unsigned long pfn,
183 unsigned long size,
184 pgprot_t vma_prot);
185
186
187 void (*idle_loop)(void);
188
189
190
191
192
193 void (*power_save)(void);
194
195
196
197 void (*enable_pmcs)(void);
198
199
200 int (*set_dabr)(unsigned long dabr);
201
202#ifdef CONFIG_PPC32
203
204
205 void (*init)(void);
206
207 void (*kgdb_map_scc)(void);
208
209
210
211
212
213 void (*pcibios_after_init)(void);
214
215#endif
216
217
218 int (*pci_exclude_device)(struct pci_controller *, unsigned char, unsigned char);
219
220
221
222 void (*pcibios_fixup_resources)(struct pci_dev *);
223
224
225 void (*pcibios_fixup_bus)(struct pci_bus *);
226
227
228
229 int (*pcibios_enable_device_hook)(struct pci_dev *);
230
231
232
233
234 void (*machine_shutdown)(void);
235
236#ifdef CONFIG_KEXEC
237
238
239
240
241 void (*machine_crash_shutdown)(struct pt_regs *regs);
242
243
244
245
246
247
248 int (*machine_kexec_prepare)(struct kimage *image);
249
250
251 void (*machine_kexec_cleanup)(struct kimage *image);
252
253
254
255
256
257 void (*machine_kexec)(struct kimage *image);
258#endif
259
260#ifdef CONFIG_SUSPEND
261
262
263
264
265
266 void (*suspend_disable_irqs)(void);
267 void (*suspend_enable_irqs)(void);
268#endif
269};
270
271extern void e500_idle(void);
272extern void power4_idle(void);
273extern void power4_cpu_offline_powersave(void);
274extern void ppc6xx_idle(void);
275
276
277
278
279
280
281extern struct machdep_calls ppc_md;
282extern struct machdep_calls *machine_id;
283
284#define __machine_desc __attribute__ ((__section__ (".machine.desc")))
285
286#define define_machine(name) \
287 extern struct machdep_calls mach_##name; \
288 EXPORT_SYMBOL(mach_##name); \
289 struct machdep_calls mach_##name __machine_desc =
290
291#define machine_is(name) \
292 ({ \
293 extern struct machdep_calls mach_##name \
294 __attribute__((weak)); \
295 machine_id == &mach_##name; \
296 })
297
298extern void probe_machine(void);
299
300extern char cmd_line[COMMAND_LINE_SIZE];
301
302#ifdef CONFIG_PPC_PMAC
303
304
305
306
307typedef enum sys_ctrler_kind {
308 SYS_CTRLER_UNKNOWN = 0,
309 SYS_CTRLER_CUDA = 1,
310 SYS_CTRLER_PMU = 2,
311 SYS_CTRLER_SMU = 3,
312} sys_ctrler_t;
313extern sys_ctrler_t sys_ctrler;
314
315#endif
316
317extern void setup_pci_ptrs(void);
318
319#ifdef CONFIG_SMP
320
321extern void __devinit smp_generic_give_timebase(void);
322extern void __devinit smp_generic_take_timebase(void);
323#endif
324
325
326
327
328
329
330
331
332
333void ppc64_boot_msg(unsigned int src, const char *msg);
334
335static inline void log_error(char *buf, unsigned int err_type, int fatal)
336{
337 if (ppc_md.log_error)
338 ppc_md.log_error(buf, err_type, fatal);
339}
340
341#define __define_machine_initcall(mach,level,fn,id) \
342 static int __init __machine_initcall_##mach##_##fn(void) { \
343 if (machine_is(mach)) return fn(); \
344 return 0; \
345 } \
346 __define_initcall(level,__machine_initcall_##mach##_##fn,id);
347
348#define machine_core_initcall(mach,fn) __define_machine_initcall(mach,"1",fn,1)
349#define machine_core_initcall_sync(mach,fn) __define_machine_initcall(mach,"1s",fn,1s)
350#define machine_postcore_initcall(mach,fn) __define_machine_initcall(mach,"2",fn,2)
351#define machine_postcore_initcall_sync(mach,fn) __define_machine_initcall(mach,"2s",fn,2s)
352#define machine_arch_initcall(mach,fn) __define_machine_initcall(mach,"3",fn,3)
353#define machine_arch_initcall_sync(mach,fn) __define_machine_initcall(mach,"3s",fn,3s)
354#define machine_subsys_initcall(mach,fn) __define_machine_initcall(mach,"4",fn,4)
355#define machine_subsys_initcall_sync(mach,fn) __define_machine_initcall(mach,"4s",fn,4s)
356#define machine_fs_initcall(mach,fn) __define_machine_initcall(mach,"5",fn,5)
357#define machine_fs_initcall_sync(mach,fn) __define_machine_initcall(mach,"5s",fn,5s)
358#define machine_rootfs_initcall(mach,fn) __define_machine_initcall(mach,"rootfs",fn,rootfs)
359#define machine_device_initcall(mach,fn) __define_machine_initcall(mach,"6",fn,6)
360#define machine_device_initcall_sync(mach,fn) __define_machine_initcall(mach,"6s",fn,6s)
361#define machine_late_initcall(mach,fn) __define_machine_initcall(mach,"7",fn,7)
362#define machine_late_initcall_sync(mach,fn) __define_machine_initcall(mach,"7s",fn,7s)
363
364void generic_suspend_disable_irqs(void);
365void generic_suspend_enable_irqs(void);
366
367#endif
368#endif
369