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;
30struct kimage;
31
32struct machdep_calls {
33 char *name;
34#ifdef CONFIG_PPC64
35 void (*hpte_invalidate)(unsigned long slot,
36 unsigned long va,
37 int psize, int ssize,
38 int local);
39 long (*hpte_updatepp)(unsigned long slot,
40 unsigned long newpp,
41 unsigned long va,
42 int psize, int ssize,
43 int local);
44 void (*hpte_updateboltedpp)(unsigned long newpp,
45 unsigned long ea,
46 int psize, int ssize);
47 long (*hpte_insert)(unsigned long hpte_group,
48 unsigned long va,
49 unsigned long prpn,
50 unsigned long rflags,
51 unsigned long vflags,
52 int psize, int ssize);
53 long (*hpte_remove)(unsigned long hpte_group);
54 void (*hpte_removebolted)(unsigned long ea,
55 int psize, int ssize);
56 void (*flush_hash_range)(unsigned long number, int local);
57
58
59
60 void (*hpte_clear_all)(void);
61
62 int (*tce_build)(struct iommu_table *tbl,
63 long index,
64 long npages,
65 unsigned long uaddr,
66 enum dma_data_direction direction,
67 struct dma_attrs *attrs);
68 void (*tce_free)(struct iommu_table *tbl,
69 long index,
70 long npages);
71 unsigned long (*tce_get)(struct iommu_table *tbl,
72 long index);
73 void (*tce_flush)(struct iommu_table *tbl);
74
75 void __iomem * (*ioremap)(phys_addr_t addr, unsigned long size,
76 unsigned long flags, void *caller);
77 void (*iounmap)(volatile void __iomem *token);
78
79#ifdef CONFIG_PM
80 void (*iommu_save)(void);
81 void (*iommu_restore)(void);
82#endif
83#endif
84
85 void (*pci_dma_dev_setup)(struct pci_dev *dev);
86 void (*pci_dma_bus_setup)(struct pci_bus *bus);
87
88
89 int (*dma_set_mask)(struct device *dev, u64 dma_mask);
90
91 int (*probe)(void);
92 void (*setup_arch)(void);
93 void (*init_early)(void);
94
95 void (*show_cpuinfo)(struct seq_file *m);
96 void (*show_percpuinfo)(struct seq_file *m, int i);
97
98 void (*init_IRQ)(void);
99
100
101
102
103 unsigned int (*get_irq)(void);
104
105
106
107 void (*pcibios_fixup)(void);
108 int (*pci_probe_mode)(struct pci_bus *);
109 void (*pci_irq_fixup)(struct pci_dev *dev);
110
111
112 int (*pci_setup_phb)(struct pci_controller *host);
113
114#ifdef CONFIG_PCI_MSI
115 int (*msi_check_device)(struct pci_dev* dev,
116 int nvec, int type);
117 int (*setup_msi_irqs)(struct pci_dev *dev,
118 int nvec, int type);
119 void (*teardown_msi_irqs)(struct pci_dev *dev);
120#endif
121
122 void (*restart)(char *cmd);
123 void (*power_off)(void);
124 void (*halt)(void);
125 void (*panic)(char *str);
126 void (*cpu_die)(void);
127
128 long (*time_init)(void);
129
130 int (*set_rtc_time)(struct rtc_time *);
131 void (*get_rtc_time)(struct rtc_time *);
132 unsigned long (*get_boot_time)(void);
133 unsigned char (*rtc_read_val)(int addr);
134 void (*rtc_write_val)(int addr, unsigned char val);
135
136 void (*calibrate_decr)(void);
137
138 void (*progress)(char *, unsigned short);
139
140
141 void (*log_error)(char *buf, unsigned int err_type, int fatal);
142
143 unsigned char (*nvram_read_val)(int addr);
144 void (*nvram_write_val)(int addr, unsigned char val);
145 ssize_t (*nvram_write)(char *buf, size_t count, loff_t *index);
146 ssize_t (*nvram_read)(char *buf, size_t count, loff_t *index);
147 ssize_t (*nvram_size)(void);
148 void (*nvram_sync)(void);
149
150
151 int (*system_reset_exception)(struct pt_regs *regs);
152 int (*machine_check_exception)(struct pt_regs *regs);
153
154
155
156
157
158 long (*feature_call)(unsigned int feature, ...);
159
160
161 int (*pci_get_legacy_ide_irq)(struct pci_dev *dev, int channel);
162
163
164 pgprot_t (*phys_mem_access_prot)(struct file *file,
165 unsigned long pfn,
166 unsigned long size,
167 pgprot_t vma_prot);
168
169
170 void (*idle_loop)(void);
171
172
173
174
175
176 void (*power_save)(void);
177
178
179
180 void (*enable_pmcs)(void);
181
182
183 int (*set_dabr)(unsigned long dabr);
184
185#ifdef CONFIG_PPC32
186
187
188 void (*init)(void);
189
190 void (*kgdb_map_scc)(void);
191
192
193
194
195
196 void (*pcibios_after_init)(void);
197
198#endif
199
200
201 int (*pci_exclude_device)(struct pci_controller *, unsigned char, unsigned char);
202
203
204
205 void (*pcibios_fixup_resources)(struct pci_dev *);
206
207
208 void (*pcibios_fixup_bus)(struct pci_bus *);
209
210
211
212 int (*pcibios_enable_device_hook)(struct pci_dev *);
213
214
215
216
217 void (*machine_shutdown)(void);
218
219#ifdef CONFIG_KEXEC
220 void (*kexec_cpu_down)(int crash_shutdown, int secondary);
221
222
223
224
225
226
227 int (*machine_kexec_prepare)(struct kimage *image);
228
229
230
231
232
233 void (*machine_kexec)(struct kimage *image);
234#endif
235
236#ifdef CONFIG_SUSPEND
237
238
239
240
241
242 void (*suspend_disable_irqs)(void);
243 void (*suspend_enable_irqs)(void);
244#endif
245 int (*suspend_disable_cpu)(void);
246
247#ifdef CONFIG_ARCH_CPU_PROBE_RELEASE
248 ssize_t (*cpu_probe)(const char *, size_t);
249 ssize_t (*cpu_release)(const char *, size_t);
250#endif
251};
252
253extern void e500_idle(void);
254extern void power4_idle(void);
255extern void power7_idle(void);
256extern void ppc6xx_idle(void);
257extern void book3e_idle(void);
258
259
260
261
262
263
264extern struct machdep_calls ppc_md;
265extern struct machdep_calls *machine_id;
266
267#define __machine_desc __attribute__ ((__section__ (".machine.desc")))
268
269#define define_machine(name) \
270 extern struct machdep_calls mach_##name; \
271 EXPORT_SYMBOL(mach_##name); \
272 struct machdep_calls mach_##name __machine_desc =
273
274#define machine_is(name) \
275 ({ \
276 extern struct machdep_calls mach_##name \
277 __attribute__((weak)); \
278 machine_id == &mach_##name; \
279 })
280
281extern void probe_machine(void);
282
283extern char cmd_line[COMMAND_LINE_SIZE];
284
285#ifdef CONFIG_PPC_PMAC
286
287
288
289
290typedef enum sys_ctrler_kind {
291 SYS_CTRLER_UNKNOWN = 0,
292 SYS_CTRLER_CUDA = 1,
293 SYS_CTRLER_PMU = 2,
294 SYS_CTRLER_SMU = 3,
295} sys_ctrler_t;
296extern sys_ctrler_t sys_ctrler;
297
298#endif
299
300
301
302
303
304
305
306
307
308void ppc64_boot_msg(unsigned int src, const char *msg);
309
310static inline void log_error(char *buf, unsigned int err_type, int fatal)
311{
312 if (ppc_md.log_error)
313 ppc_md.log_error(buf, err_type, fatal);
314}
315
316#define __define_machine_initcall(mach,level,fn,id) \
317 static int __init __machine_initcall_##mach##_##fn(void) { \
318 if (machine_is(mach)) return fn(); \
319 return 0; \
320 } \
321 __define_initcall(level,__machine_initcall_##mach##_##fn,id);
322
323#define machine_core_initcall(mach,fn) __define_machine_initcall(mach,"1",fn,1)
324#define machine_core_initcall_sync(mach,fn) __define_machine_initcall(mach,"1s",fn,1s)
325#define machine_postcore_initcall(mach,fn) __define_machine_initcall(mach,"2",fn,2)
326#define machine_postcore_initcall_sync(mach,fn) __define_machine_initcall(mach,"2s",fn,2s)
327#define machine_arch_initcall(mach,fn) __define_machine_initcall(mach,"3",fn,3)
328#define machine_arch_initcall_sync(mach,fn) __define_machine_initcall(mach,"3s",fn,3s)
329#define machine_subsys_initcall(mach,fn) __define_machine_initcall(mach,"4",fn,4)
330#define machine_subsys_initcall_sync(mach,fn) __define_machine_initcall(mach,"4s",fn,4s)
331#define machine_fs_initcall(mach,fn) __define_machine_initcall(mach,"5",fn,5)
332#define machine_fs_initcall_sync(mach,fn) __define_machine_initcall(mach,"5s",fn,5s)
333#define machine_rootfs_initcall(mach,fn) __define_machine_initcall(mach,"rootfs",fn,rootfs)
334#define machine_device_initcall(mach,fn) __define_machine_initcall(mach,"6",fn,6)
335#define machine_device_initcall_sync(mach,fn) __define_machine_initcall(mach,"6s",fn,6s)
336#define machine_late_initcall(mach,fn) __define_machine_initcall(mach,"7",fn,7)
337#define machine_late_initcall_sync(mach,fn) __define_machine_initcall(mach,"7s",fn,7s)
338
339#endif
340#endif
341