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, unsigned long flags);
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)(unsigned long vsid,
61 unsigned long addr,
62 unsigned char *hpte_slot_array,
63 int psize, int ssize, int local);
64
65
66
67
68
69
70
71 void (*hpte_clear_all)(void);
72
73 void __iomem * (*ioremap)(phys_addr_t addr, unsigned long size,
74 unsigned long flags, void *caller);
75 void (*iounmap)(volatile void __iomem *token);
76
77#ifdef CONFIG_PM
78 void (*iommu_save)(void);
79 void (*iommu_restore)(void);
80#endif
81#ifdef CONFIG_MEMORY_HOTPLUG_SPARSE
82 unsigned long (*memory_block_size)(void);
83#endif
84#endif
85
86
87 int (*dma_set_mask)(struct device *dev, u64 dma_mask);
88 u64 (*dma_get_required_mask)(struct device *dev);
89
90 int (*probe)(void);
91 void (*setup_arch)(void);
92 void (*init_early)(void);
93
94 void (*show_cpuinfo)(struct seq_file *m);
95 void (*show_percpuinfo)(struct seq_file *m, int i);
96
97 unsigned long (*get_proc_freq)(unsigned int cpu);
98
99 void (*init_IRQ)(void);
100
101
102 unsigned int (*get_irq)(void);
103
104
105
106 void (*pcibios_fixup)(void);
107 void (*pci_irq_fixup)(struct pci_dev *dev);
108 int (*pcibios_root_bridge_prepare)(struct pci_host_bridge
109 *bridge);
110
111
112 int (*pci_setup_phb)(struct pci_controller *host);
113
114 void (*restart)(char *cmd);
115 void (*halt)(void);
116 void (*panic)(char *str);
117 void (*cpu_die)(void);
118
119 long (*time_init)(void);
120
121 int (*set_rtc_time)(struct rtc_time *);
122 void (*get_rtc_time)(struct rtc_time *);
123 unsigned long (*get_boot_time)(void);
124 unsigned char (*rtc_read_val)(int addr);
125 void (*rtc_write_val)(int addr, unsigned char val);
126
127 void (*calibrate_decr)(void);
128
129 void (*progress)(char *, unsigned short);
130
131
132 void (*log_error)(char *buf, unsigned int err_type, int fatal);
133
134 unsigned char (*nvram_read_val)(int addr);
135 void (*nvram_write_val)(int addr, unsigned char val);
136 ssize_t (*nvram_write)(char *buf, size_t count, loff_t *index);
137 ssize_t (*nvram_read)(char *buf, size_t count, loff_t *index);
138 ssize_t (*nvram_size)(void);
139 void (*nvram_sync)(void);
140
141
142 int (*system_reset_exception)(struct pt_regs *regs);
143 int (*machine_check_exception)(struct pt_regs *regs);
144 int (*handle_hmi_exception)(struct pt_regs *regs);
145
146
147 int (*hmi_exception_early)(struct pt_regs *regs);
148
149
150 bool (*mce_check_early_recovery)(struct pt_regs *regs);
151
152
153
154
155
156 long (*feature_call)(unsigned int feature, ...);
157
158
159 int (*pci_get_legacy_ide_irq)(struct pci_dev *dev, int channel);
160
161
162 pgprot_t (*phys_mem_access_prot)(struct file *file,
163 unsigned long pfn,
164 unsigned long size,
165 pgprot_t vma_prot);
166
167
168
169
170
171 void (*power_save)(void);
172
173
174
175 void (*enable_pmcs)(void);
176
177
178 int (*set_dabr)(unsigned long dabr,
179 unsigned long dabrx);
180
181
182 int (*set_dawr)(unsigned long dawr,
183 unsigned long dawrx);
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 void (*pcibios_fixup_phb)(struct pci_controller *hose);
212
213#ifdef CONFIG_PCI_IOV
214 void (*pcibios_fixup_sriov)(struct pci_dev *pdev);
215 resource_size_t (*pcibios_iov_resource_alignment)(struct pci_dev *, int resno);
216#endif
217
218
219
220
221 void (*machine_shutdown)(void);
222
223#ifdef CONFIG_KEXEC
224 void (*kexec_cpu_down)(int crash_shutdown, int secondary);
225
226
227
228
229
230
231 int (*machine_kexec_prepare)(struct kimage *image);
232
233
234
235
236
237 void (*machine_kexec)(struct kimage *image);
238#endif
239
240#ifdef CONFIG_SUSPEND
241
242
243
244
245
246 void (*suspend_disable_irqs)(void);
247 void (*suspend_enable_irqs)(void);
248#endif
249 int (*suspend_disable_cpu)(void);
250
251#ifdef CONFIG_ARCH_CPU_PROBE_RELEASE
252 ssize_t (*cpu_probe)(const char *, size_t);
253 ssize_t (*cpu_release)(const char *, size_t);
254#endif
255
256#ifdef CONFIG_ARCH_RANDOM
257 int (*get_random_seed)(unsigned long *v);
258#endif
259};
260
261extern void e500_idle(void);
262extern void power4_idle(void);
263extern void power7_idle(void);
264extern void ppc6xx_idle(void);
265extern void book3e_idle(void);
266
267
268
269
270
271
272extern struct machdep_calls ppc_md;
273extern struct machdep_calls *machine_id;
274
275#define __machine_desc __attribute__ ((__section__ (".machine.desc")))
276
277#define define_machine(name) \
278 extern struct machdep_calls mach_##name; \
279 EXPORT_SYMBOL(mach_##name); \
280 struct machdep_calls mach_##name __machine_desc =
281
282#define machine_is(name) \
283 ({ \
284 extern struct machdep_calls mach_##name \
285 __attribute__((weak)); \
286 machine_id == &mach_##name; \
287 })
288
289extern void probe_machine(void);
290
291#ifdef CONFIG_PPC_PMAC
292
293
294
295
296typedef enum sys_ctrler_kind {
297 SYS_CTRLER_UNKNOWN = 0,
298 SYS_CTRLER_CUDA = 1,
299 SYS_CTRLER_PMU = 2,
300 SYS_CTRLER_SMU = 3,
301} sys_ctrler_t;
302extern sys_ctrler_t sys_ctrler;
303
304#endif
305
306static inline void log_error(char *buf, unsigned int err_type, int fatal)
307{
308 if (ppc_md.log_error)
309 ppc_md.log_error(buf, err_type, fatal);
310}
311
312#define __define_machine_initcall(mach, fn, id) \
313 static int __init __machine_initcall_##mach##_##fn(void) { \
314 if (machine_is(mach)) return fn(); \
315 return 0; \
316 } \
317 __define_initcall(__machine_initcall_##mach##_##fn, id);
318
319#define machine_early_initcall(mach, fn) __define_machine_initcall(mach, fn, early)
320#define machine_core_initcall(mach, fn) __define_machine_initcall(mach, fn, 1)
321#define machine_core_initcall_sync(mach, fn) __define_machine_initcall(mach, fn, 1s)
322#define machine_postcore_initcall(mach, fn) __define_machine_initcall(mach, fn, 2)
323#define machine_postcore_initcall_sync(mach, fn) __define_machine_initcall(mach, fn, 2s)
324#define machine_arch_initcall(mach, fn) __define_machine_initcall(mach, fn, 3)
325#define machine_arch_initcall_sync(mach, fn) __define_machine_initcall(mach, fn, 3s)
326#define machine_subsys_initcall(mach, fn) __define_machine_initcall(mach, fn, 4)
327#define machine_subsys_initcall_sync(mach, fn) __define_machine_initcall(mach, fn, 4s)
328#define machine_fs_initcall(mach, fn) __define_machine_initcall(mach, fn, 5)
329#define machine_fs_initcall_sync(mach, fn) __define_machine_initcall(mach, fn, 5s)
330#define machine_rootfs_initcall(mach, fn) __define_machine_initcall(mach, fn, rootfs)
331#define machine_device_initcall(mach, fn) __define_machine_initcall(mach, fn, 6)
332#define machine_device_initcall_sync(mach, fn) __define_machine_initcall(mach, fn, 6s)
333#define machine_late_initcall(mach, fn) __define_machine_initcall(mach, fn, 7)
334#define machine_late_initcall_sync(mach, fn) __define_machine_initcall(mach, fn, 7s)
335
336#endif
337#endif
338