1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_SH_PROCESSOR_H
#define __ASM_SH_PROCESSOR_H
#include <asm/cpu-features.h>
#include <asm/segment.h>
#include <asm/cache.h>
#ifndef __ASSEMBLY__
/*
* CPU type and hardware bug flags. Kept separately for each CPU.
*
* Each one of these also needs a CONFIG_CPU_SUBTYPE_xxx entry
* in arch/sh/mm/Kconfig, as well as an entry in arch/sh/kernel/setup.c
* for parsing the subtype in get_cpu_subtype().
*/
enum cpu_type {
/* SH-2 types */
CPU_SH7619, CPU_J2,
/* SH-2A types */
CPU_SH7201, CPU_SH7203, CPU_SH7206, CPU_SH7263, CPU_SH7264, CPU_SH7269,
CPU_MXG,
/* SH-3 types */
CPU_SH7705, CPU_SH7706, CPU_SH7707,
CPU_SH7708, CPU_SH7708S, CPU_SH7708R,
CPU_SH7709, CPU_SH7709A, CPU_SH7710, CPU_SH7712,
CPU_SH7720, CPU_SH7721, CPU_SH7729,
/* SH-4 types */
CPU_SH7750, CPU_SH7750S, CPU_SH7750R, CPU_SH7751, CPU_SH7751R,
CPU_SH7760, CPU_SH4_202, CPU_SH4_501,
/* SH-4A types */
CPU_SH7763, CPU_SH7770, CPU_SH7780, CPU_SH7781, CPU_SH7785, CPU_SH7786,
CPU_SH7723, CPU_SH7724, CPU_SH7757, CPU_SH7734, CPU_SHX3,
/* SH4AL-DSP types */
CPU_SH7343, CPU_SH7722, CPU_SH7366, CPU_SH7372,
/* SH-5 types */
CPU_SH5_101, CPU_SH5_103,
/* Unknown subtype */
CPU_SH_NONE
};
enum cpu_family {
CPU_FAMILY_SH2,
CPU_FAMILY_SH2A,
CPU_FAMILY_SH3,
CPU_FAMILY_SH4,
CPU_FAMILY_SH4A,
CPU_FAMILY_SH4AL_DSP,
CPU_FAMILY_SH5,
CPU_FAMILY_UNKNOWN,
};
/*
* TLB information structure
*
* Defined for both I and D tlb, per-processor.
*/
struct tlb_info {
unsigned long long next;
unsigned long long first;
unsigned long long last;
unsigned int entries;
unsigned int step;
unsigned long flags;
};
struct sh_cpuinfo {
unsigned int type, family;
int cut_major, cut_minor;
unsigned long loops_per_jiffy;
unsigned long asid_cache;
struct cache_info icache; /* Primary I-cache */
struct cache_info dcache; /* Primary D-cache */
struct cache_info scache; /* Secondary cache */
/* TLB info */
struct tlb_info itlb;
struct tlb_info dtlb;
unsigned int phys_bits;
unsigned long flags;
} __attribute__ ((aligned(L1_CACHE_BYTES)));
extern struct sh_cpuinfo cpu_data[];
#define boot_cpu_data cpu_data[0]
#define current_cpu_data cpu_data[smp_processor_id()]
#define raw_current_cpu_data cpu_data[raw_smp_processor_id()]
#define cpu_sleep() __asm__ __volatile__ ("sleep" : : : "memory")
#define cpu_relax() barrier()
void default_idle(void);
void stop_this_cpu(void *);
/* Forward decl */
struct seq_operations;
struct task_struct;
extern struct pt_regs fake_swapper_regs;
extern void cpu_init(void);
extern void cpu_probe(void);
/* arch/sh/kernel/process.c */
extern unsigned int xstate_size;
extern void free_thread_xstate(struct task_struct *);
extern struct kmem_cache *task_xstate_cachep;
/* arch/sh/mm/alignment.c */
extern int get_unalign_ctl(struct task_struct *, unsigned long addr);
extern int set_unalign_ctl(struct task_struct *, unsigned int val);
#define GET_UNALIGN_CTL(tsk, addr) get_unalign_ctl((tsk), (addr))
#define SET_UNALIGN_CTL(tsk, val) set_unalign_ctl((tsk), (val))
/* arch/sh/mm/init.c */
extern unsigned int mem_init_done;
/* arch/sh/kernel/setup.c */
const char *get_cpu_subtype(struct sh_cpuinfo *c);
extern const struct seq_operations cpuinfo_op;
/* thread_struct flags */
#define SH_THREAD_UAC_NOPRINT (1 << 0)
#define SH_THREAD_UAC_SIGBUS (1 << 1)
#define SH_THREAD_UAC_MASK (SH_THREAD_UAC_NOPRINT | SH_THREAD_UAC_SIGBUS)
/* processor boot mode configuration */
#define MODE_PIN0 (1 << 0)
#define MODE_PIN1 (1 << 1)
#define MODE_PIN2 (1 << 2)
#define MODE_PIN3 (1 << 3)
#define MODE_PIN4 (1 << 4)
#define MODE_PIN5 (1 << 5)
#define MODE_PIN6 (1 << 6)
#define MODE_PIN7 (1 << 7)
#define MODE_PIN8 (1 << 8)
#define MODE_PIN9 (1 << 9)
#define MODE_PIN10 (1 << 10)
#define MODE_PIN11 (1 << 11)
#define MODE_PIN12 (1 << 12)
#define MODE_PIN13 (1 << 13)
#define MODE_PIN14 (1 << 14)
#define MODE_PIN15 (1 << 15)
int generic_mode_pins(void);
int test_mode_pin(int pin);
#ifdef CONFIG_VSYSCALL
int vsyscall_init(void);
#else
#define vsyscall_init() do { } while (0)
#endif
/*
* SH-2A has both 16 and 32-bit opcodes, do lame encoding checks.
*/
#ifdef CONFIG_CPU_SH2A
extern unsigned int instruction_size(unsigned int insn);
#elif defined(CONFIG_SUPERH32)
#define instruction_size(insn) (2)
#else
#define instruction_size(insn) (4)
#endif
#endif /* __ASSEMBLY__ */
#ifdef CONFIG_SUPERH32
# include <asm/processor_32.h>
#else
# include <asm/processor_64.h>
#endif
#endif /* __ASM_SH_PROCESSOR_H */
|
