Linux kernel mirror (for testing)
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1#ifndef __ASM_SH_PROCESSOR_H
2#define __ASM_SH_PROCESSOR_H
3
4#include <asm/cpu-features.h>
5#include <asm/segment.h>
6#include <asm/cache.h>
7
8#ifndef __ASSEMBLY__
9/*
10 * CPU type and hardware bug flags. Kept separately for each CPU.
11 *
12 * Each one of these also needs a CONFIG_CPU_SUBTYPE_xxx entry
13 * in arch/sh/mm/Kconfig, as well as an entry in arch/sh/kernel/setup.c
14 * for parsing the subtype in get_cpu_subtype().
15 */
16enum cpu_type {
17 /* SH-2 types */
18 CPU_SH7619,
19
20 /* SH-2A types */
21 CPU_SH7201, CPU_SH7203, CPU_SH7206, CPU_SH7263, CPU_MXG,
22
23 /* SH-3 types */
24 CPU_SH7705, CPU_SH7706, CPU_SH7707,
25 CPU_SH7708, CPU_SH7708S, CPU_SH7708R,
26 CPU_SH7709, CPU_SH7709A, CPU_SH7710, CPU_SH7712,
27 CPU_SH7720, CPU_SH7721, CPU_SH7729,
28
29 /* SH-4 types */
30 CPU_SH7750, CPU_SH7750S, CPU_SH7750R, CPU_SH7751, CPU_SH7751R,
31 CPU_SH7760, CPU_SH4_202, CPU_SH4_501,
32
33 /* SH-4A types */
34 CPU_SH7763, CPU_SH7770, CPU_SH7780, CPU_SH7781, CPU_SH7785, CPU_SH7786,
35 CPU_SH7723, CPU_SHX3,
36
37 /* SH4AL-DSP types */
38 CPU_SH7343, CPU_SH7722, CPU_SH7366,
39
40 /* SH-5 types */
41 CPU_SH5_101, CPU_SH5_103,
42
43 /* Unknown subtype */
44 CPU_SH_NONE
45};
46
47/*
48 * TLB information structure
49 *
50 * Defined for both I and D tlb, per-processor.
51 */
52struct tlb_info {
53 unsigned long long next;
54 unsigned long long first;
55 unsigned long long last;
56
57 unsigned int entries;
58 unsigned int step;
59
60 unsigned long flags;
61};
62
63struct sh_cpuinfo {
64 unsigned int type;
65 int cut_major, cut_minor;
66 unsigned long loops_per_jiffy;
67 unsigned long asid_cache;
68
69 struct cache_info icache; /* Primary I-cache */
70 struct cache_info dcache; /* Primary D-cache */
71 struct cache_info scache; /* Secondary cache */
72
73 /* TLB info */
74 struct tlb_info itlb;
75 struct tlb_info dtlb;
76
77 unsigned long flags;
78} __attribute__ ((aligned(L1_CACHE_BYTES)));
79
80extern struct sh_cpuinfo cpu_data[];
81#define boot_cpu_data cpu_data[0]
82#define current_cpu_data cpu_data[smp_processor_id()]
83#define raw_current_cpu_data cpu_data[raw_smp_processor_id()]
84
85#define cpu_sleep() __asm__ __volatile__ ("sleep" : : : "memory")
86#define cpu_relax() barrier()
87
88/* Forward decl */
89struct seq_operations;
90
91extern struct pt_regs fake_swapper_regs;
92
93/* arch/sh/kernel/setup.c */
94const char *get_cpu_subtype(struct sh_cpuinfo *c);
95extern const struct seq_operations cpuinfo_op;
96
97#ifdef CONFIG_VSYSCALL
98int vsyscall_init(void);
99#else
100#define vsyscall_init() do { } while (0)
101#endif
102
103#endif /* __ASSEMBLY__ */
104
105#ifdef CONFIG_SUPERH32
106# include "processor_32.h"
107#else
108# include "processor_64.h"
109#endif
110
111#endif /* __ASM_SH_PROCESSOR_H */