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#include <linux/export.h>
16
17#include <asm/setup.h>
18
19
20
21
22#define CONFIG_PPC_HAS_FEATURE_CALLS
23
24struct pt_regs;
25struct pci_bus;
26struct device_node;
27struct iommu_table;
28struct rtc_time;
29struct file;
30struct pci_controller;
31struct kimage;
32struct pci_host_bridge;
33
34struct machdep_calls {
35 char *name;
36#ifdef CONFIG_PPC64
37 void (*hpte_invalidate)(unsigned long slot,
38 unsigned long vpn,
39 int bpsize, int apsize,
40 int ssize, int local);
41 long (*hpte_updatepp)(unsigned long slot,
42 unsigned long newpp,
43 unsigned long vpn,
44 int bpsize, int apsize,
45 int ssize, int local);
46 void (*hpte_updateboltedpp)(unsigned long newpp,
47 unsigned long ea,
48 int psize, int ssize);
49 long (*hpte_insert)(unsigned long hpte_group,
50 unsigned long vpn,
51 unsigned long prpn,
52 unsigned long rflags,
53 unsigned long vflags,
54 int psize, int apsize,
55 int ssize);
56 long (*hpte_remove)(unsigned long hpte_group);
57 void (*hpte_removebolted)(unsigned long ea,
58 int psize, int ssize);
59 void (*flush_hash_range)(unsigned long number, int local);
60 void (*hugepage_invalidate)(struct mm_struct *mm,
61 unsigned char *hpte_slot_array,
62 unsigned long addr, int psize);
63
64
65
66 void (*hpte_clear_all)(void);
67
68 int (*tce_build)(struct iommu_table *tbl,
69 long index,
70 long npages,
71 unsigned long uaddr,
72 enum dma_data_direction direction,
73 struct dma_attrs *attrs);
74 void (*tce_free)(struct iommu_table *tbl,
75 long index,
76 long npages);
77 unsigned long (*tce_get)(struct iommu_table *tbl,
78 long index);
79 void (*tce_flush)(struct iommu_table *tbl);
80
81 void __iomem * (*ioremap)(phys_addr_t addr, unsigned long size,
82 unsigned long flags, void *caller);
83 void (*iounmap)(volatile void __iomem *token);
84
85#ifdef CONFIG_PM
86 void (*iommu_save)(void);
87 void (*iommu_restore)(void);
88#endif
89#endif
90
91 void (*pci_dma_dev_setup)(struct pci_dev *dev);
92 void (*pci_dma_bus_setup)(struct pci_bus *bus);
93
94
95 int (*dma_set_mask)(struct device *dev, u64 dma_mask);
96 u64 (*dma_get_required_mask)(struct device *dev);
97
98 int (*probe)(void);
99 void (*setup_arch)(void);
100 void (*init_early)(void);
101
102 void (*show_cpuinfo)(struct seq_file *m);
103 void (*show_percpuinfo)(struct seq_file *m, int i);
104
105 void (*init_IRQ)(void);
106
107
108 unsigned int (*get_irq)(void);
109
110
111
112 void (*pcibios_fixup)(void);
113 int (*pci_probe_mode)(struct pci_bus *);
114 void (*pci_irq_fixup)(struct pci_dev *dev);
115 int (*pcibios_root_bridge_prepare)(struct pci_host_bridge
116 *bridge);
117
118
119 int (*pci_setup_phb)(struct pci_controller *host);
120
121#ifdef CONFIG_PCI_MSI
122 int (*msi_check_device)(struct pci_dev* dev,
123 int nvec, int type);
124 int (*setup_msi_irqs)(struct pci_dev *dev,
125 int nvec, int type);
126 void (*teardown_msi_irqs)(struct pci_dev *dev);
127#endif
128
129 void (*restart)(char *cmd);
130 void (*power_off)(void);
131 void (*halt)(void);
132 void (*panic)(char *str);
133 void (*cpu_die)(void);
134
135 long (*time_init)(void);
136
137 int (*set_rtc_time)(struct rtc_time *);
138 void (*get_rtc_time)(struct rtc_time *);
139 unsigned long (*get_boot_time)(void);
140 unsigned char (*rtc_read_val)(int addr);
141 void (*rtc_write_val)(int addr, unsigned char val);
142
143 void (*calibrate_decr)(void);
144
145 void (*progress)(char *, unsigned short);
146
147
148 void (*log_error)(char *buf, unsigned int err_type, int fatal);
149
150 unsigned char (*nvram_read_val)(int addr);
151 void (*nvram_write_val)(int addr, unsigned char val);
152 ssize_t (*nvram_write)(char *buf, size_t count, loff_t *index);
153 ssize_t (*nvram_read)(char *buf, size_t count, loff_t *index);
154 ssize_t (*nvram_size)(void);
155 void (*nvram_sync)(void);
156
157
158 int (*system_reset_exception)(struct pt_regs *regs);
159 int (*machine_check_exception)(struct pt_regs *regs);
160
161
162
163
164
165 long (*feature_call)(unsigned int feature, ...);
166
167
168 int (*pci_get_legacy_ide_irq)(struct pci_dev *dev, int channel);
169
170
171 pgprot_t (*phys_mem_access_prot)(struct file *file,
172 unsigned long pfn,
173 unsigned long size,
174 pgprot_t vma_prot);
175
176
177
178
179
180 void (*power_save)(void);
181
182
183
184 void (*enable_pmcs)(void);
185
186
187 int (*set_dabr)(unsigned long dabr,
188 unsigned long dabrx);
189
190
191 int (*set_dawr)(unsigned long dawr,
192 unsigned long dawrx);
193
194#ifdef CONFIG_PPC32
195
196
197 void (*init)(void);
198
199 void (*kgdb_map_scc)(void);
200
201
202
203
204
205 void (*pcibios_after_init)(void);
206
207#endif
208
209
210 int (*pci_exclude_device)(struct pci_controller *, unsigned char, unsigned char);
211
212
213
214 void (*pcibios_fixup_resources)(struct pci_dev *);
215
216
217 void (*pcibios_fixup_bus)(struct pci_bus *);
218
219
220
221 int (*pcibios_enable_device_hook)(struct pci_dev *);
222
223
224 void (*pcibios_fixup_phb)(struct pci_controller *hose);
225
226
227 resource_size_t (*pcibios_window_alignment)(struct pci_bus *, unsigned long type);
228
229
230
231
232 void (*machine_shutdown)(void);
233
234#ifdef CONFIG_KEXEC
235 void (*kexec_cpu_down)(int crash_shutdown, int secondary);
236
237
238
239
240
241
242 int (*machine_kexec_prepare)(struct kimage *image);
243
244
245
246
247
248 void (*machine_kexec)(struct kimage *image);
249#endif
250
251#ifdef CONFIG_SUSPEND
252
253
254
255
256
257 void (*suspend_disable_irqs)(void);
258 void (*suspend_enable_irqs)(void);
259#endif
260 int (*suspend_disable_cpu)(void);
261
262#ifdef CONFIG_ARCH_CPU_PROBE_RELEASE
263 ssize_t (*cpu_probe)(const char *, size_t);
264 ssize_t (*cpu_release)(const char *, size_t);
265#endif
266};
267
268extern void e500_idle(void);
269extern void power4_idle(void);
270extern void power7_idle(void);
271extern void ppc6xx_idle(void);
272extern void book3e_idle(void);
273
274
275
276
277
278
279extern struct machdep_calls ppc_md;
280extern struct machdep_calls *machine_id;
281
282#define __machine_desc __attribute__ ((__section__ (".machine.desc")))
283
284#define define_machine(name) \
285 extern struct machdep_calls mach_##name; \
286 EXPORT_SYMBOL(mach_##name); \
287 struct machdep_calls mach_##name __machine_desc =
288
289#define machine_is(name) \
290 ({ \
291 extern struct machdep_calls mach_##name \
292 __attribute__((weak)); \
293 machine_id == &mach_##name; \
294 })
295
296extern void probe_machine(void);
297
298extern char cmd_line[COMMAND_LINE_SIZE];
299
300#ifdef CONFIG_PPC_PMAC
301
302
303
304
305typedef enum sys_ctrler_kind {
306 SYS_CTRLER_UNKNOWN = 0,
307 SYS_CTRLER_CUDA = 1,
308 SYS_CTRLER_PMU = 2,
309 SYS_CTRLER_SMU = 3,
310} sys_ctrler_t;
311extern sys_ctrler_t sys_ctrler;
312
313#endif
314
315
316
317
318
319
320
321
322
323void ppc64_boot_msg(unsigned int src, const char *msg);
324
325static inline void log_error(char *buf, unsigned int err_type, int fatal)
326{
327 if (ppc_md.log_error)
328 ppc_md.log_error(buf, err_type, fatal);
329}
330
331#define __define_machine_initcall(mach, fn, id) \
332 static int __init __machine_initcall_##mach##_##fn(void) { \
333 if (machine_is(mach)) return fn(); \
334 return 0; \
335 } \
336 __define_initcall(__machine_initcall_##mach##_##fn, id);
337
338#define machine_core_initcall(mach, fn) __define_machine_initcall(mach, fn, 1)
339#define machine_core_initcall_sync(mach, fn) __define_machine_initcall(mach, fn, 1s)
340#define machine_postcore_initcall(mach, fn) __define_machine_initcall(mach, fn, 2)
341#define machine_postcore_initcall_sync(mach, fn) __define_machine_initcall(mach, fn, 2s)
342#define machine_arch_initcall(mach, fn) __define_machine_initcall(mach, fn, 3)
343#define machine_arch_initcall_sync(mach, fn) __define_machine_initcall(mach, fn, 3s)
344#define machine_subsys_initcall(mach, fn) __define_machine_initcall(mach, fn, 4)
345#define machine_subsys_initcall_sync(mach, fn) __define_machine_initcall(mach, fn, 4s)
346#define machine_fs_initcall(mach, fn) __define_machine_initcall(mach, fn, 5)
347#define machine_fs_initcall_sync(mach, fn) __define_machine_initcall(mach, fn, 5s)
348#define machine_rootfs_initcall(mach, fn) __define_machine_initcall(mach, fn, rootfs)
349#define machine_device_initcall(mach, fn) __define_machine_initcall(mach, fn, 6)
350#define machine_device_initcall_sync(mach, fn) __define_machine_initcall(mach, fn, 6s)
351#define machine_late_initcall(mach, fn) __define_machine_initcall(mach, fn, 7)
352#define machine_late_initcall_sync(mach, fn) __define_machine_initcall(mach, fn, 7s)
353
354#endif
355#endif
356