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_SH7264, CPU_SH7269,
22 CPU_MXG,
23
24 /* SH-3 types */
25 CPU_SH7705, CPU_SH7706, CPU_SH7707,
26 CPU_SH7708, CPU_SH7708S, CPU_SH7708R,
27 CPU_SH7709, CPU_SH7709A, CPU_SH7710, CPU_SH7712,
28 CPU_SH7720, CPU_SH7721, CPU_SH7729,
29
30 /* SH-4 types */
31 CPU_SH7750, CPU_SH7750S, CPU_SH7750R, CPU_SH7751, CPU_SH7751R,
32 CPU_SH7760, CPU_SH4_202, CPU_SH4_501,
33
34 /* SH-4A types */
35 CPU_SH7763, CPU_SH7770, CPU_SH7780, CPU_SH7781, CPU_SH7785, CPU_SH7786,
36 CPU_SH7723, CPU_SH7724, CPU_SH7757, CPU_SH7734, CPU_SHX3,
37
38 /* SH4AL-DSP types */
39 CPU_SH7343, CPU_SH7722, CPU_SH7366, CPU_SH7372,
40
41 /* SH-5 types */
42 CPU_SH5_101, CPU_SH5_103,
43
44 /* Unknown subtype */
45 CPU_SH_NONE
46};
47
48enum cpu_family {
49 CPU_FAMILY_SH2,
50 CPU_FAMILY_SH2A,
51 CPU_FAMILY_SH3,
52 CPU_FAMILY_SH4,
53 CPU_FAMILY_SH4A,
54 CPU_FAMILY_SH4AL_DSP,
55 CPU_FAMILY_SH5,
56 CPU_FAMILY_UNKNOWN,
57};
58
59/*
60 * TLB information structure
61 *
62 * Defined for both I and D tlb, per-processor.
63 */
64struct tlb_info {
65 unsigned long long next;
66 unsigned long long first;
67 unsigned long long last;
68
69 unsigned int entries;
70 unsigned int step;
71
72 unsigned long flags;
73};
74
75struct sh_cpuinfo {
76 unsigned int type, family;
77 int cut_major, cut_minor;
78 unsigned long loops_per_jiffy;
79 unsigned long asid_cache;
80
81 struct cache_info icache; /* Primary I-cache */
82 struct cache_info dcache; /* Primary D-cache */
83 struct cache_info scache; /* Secondary cache */
84
85 /* TLB info */
86 struct tlb_info itlb;
87 struct tlb_info dtlb;
88
89 unsigned int phys_bits;
90 unsigned long flags;
91} __attribute__ ((aligned(L1_CACHE_BYTES)));
92
93extern struct sh_cpuinfo cpu_data[];
94#define boot_cpu_data cpu_data[0]
95#define current_cpu_data cpu_data[smp_processor_id()]
96#define raw_current_cpu_data cpu_data[raw_smp_processor_id()]
97
98#define cpu_sleep() __asm__ __volatile__ ("sleep" : : : "memory")
99#define cpu_relax() barrier()
100
101void default_idle(void);
102void stop_this_cpu(void *);
103
104/* Forward decl */
105struct seq_operations;
106struct task_struct;
107
108extern struct pt_regs fake_swapper_regs;
109
110extern void cpu_init(void);
111extern void cpu_probe(void);
112
113/* arch/sh/kernel/process.c */
114extern unsigned int xstate_size;
115extern void free_thread_xstate(struct task_struct *);
116extern struct kmem_cache *task_xstate_cachep;
117
118/* arch/sh/mm/alignment.c */
119extern int get_unalign_ctl(struct task_struct *, unsigned long addr);
120extern int set_unalign_ctl(struct task_struct *, unsigned int val);
121
122#define GET_UNALIGN_CTL(tsk, addr) get_unalign_ctl((tsk), (addr))
123#define SET_UNALIGN_CTL(tsk, val) set_unalign_ctl((tsk), (val))
124
125/* arch/sh/mm/init.c */
126extern unsigned int mem_init_done;
127
128/* arch/sh/kernel/setup.c */
129const char *get_cpu_subtype(struct sh_cpuinfo *c);
130extern const struct seq_operations cpuinfo_op;
131
132/* thread_struct flags */
133#define SH_THREAD_UAC_NOPRINT (1 << 0)
134#define SH_THREAD_UAC_SIGBUS (1 << 1)
135#define SH_THREAD_UAC_MASK (SH_THREAD_UAC_NOPRINT | SH_THREAD_UAC_SIGBUS)
136
137/* processor boot mode configuration */
138#define MODE_PIN0 (1 << 0)
139#define MODE_PIN1 (1 << 1)
140#define MODE_PIN2 (1 << 2)
141#define MODE_PIN3 (1 << 3)
142#define MODE_PIN4 (1 << 4)
143#define MODE_PIN5 (1 << 5)
144#define MODE_PIN6 (1 << 6)
145#define MODE_PIN7 (1 << 7)
146#define MODE_PIN8 (1 << 8)
147#define MODE_PIN9 (1 << 9)
148#define MODE_PIN10 (1 << 10)
149#define MODE_PIN11 (1 << 11)
150#define MODE_PIN12 (1 << 12)
151#define MODE_PIN13 (1 << 13)
152#define MODE_PIN14 (1 << 14)
153#define MODE_PIN15 (1 << 15)
154
155int generic_mode_pins(void);
156int test_mode_pin(int pin);
157
158#ifdef CONFIG_VSYSCALL
159int vsyscall_init(void);
160#else
161#define vsyscall_init() do { } while (0)
162#endif
163
164/*
165 * SH-2A has both 16 and 32-bit opcodes, do lame encoding checks.
166 */
167#ifdef CONFIG_CPU_SH2A
168extern unsigned int instruction_size(unsigned int insn);
169#elif defined(CONFIG_SUPERH32)
170#define instruction_size(insn) (2)
171#else
172#define instruction_size(insn) (4)
173#endif
174
175#endif /* __ASSEMBLY__ */
176
177#ifdef CONFIG_SUPERH32
178# include <asm/processor_32.h>
179#else
180# include <asm/processor_64.h>
181#endif
182
183#endif /* __ASM_SH_PROCESSOR_H */