LXR linux/arch/sh/include/asm/processor.h

   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_SH7724, CPU_SH7757, 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
  47enum cpu_family {
  48        CPU_FAMILY_SH2,
  49        CPU_FAMILY_SH2A,
  50        CPU_FAMILY_SH3,
  51        CPU_FAMILY_SH4,
  52        CPU_FAMILY_SH4A,
  53        CPU_FAMILY_SH4AL_DSP,
  54        CPU_FAMILY_SH5,
  55        CPU_FAMILY_UNKNOWN,
  56};
  57
  58/*
  59 * TLB information structure
  60 *
  61 * Defined for both I and D tlb, per-processor.
  62 */
  63struct tlb_info {
  64        unsigned long long next;
  65        unsigned long long first;
  66        unsigned long long last;
  67
  68        unsigned int entries;
  69        unsigned int step;
  70
  71        unsigned long flags;
  72};
  73
  74struct sh_cpuinfo {
  75        unsigned int type, family;
  76        int cut_major, cut_minor;
  77        unsigned long loops_per_jiffy;
  78        unsigned long asid_cache;
  79
  80        struct cache_info icache;       /* Primary I-cache */
  81        struct cache_info dcache;       /* Primary D-cache */
  82        struct cache_info scache;       /* Secondary cache */
  83
  84        /* TLB info */
  85        struct tlb_info itlb;
  86        struct tlb_info dtlb;
  87
  88        unsigned long flags;
  89} __attribute__ ((aligned(L1_CACHE_BYTES)));
  90
  91extern struct sh_cpuinfo cpu_data[];
  92#define boot_cpu_data cpu_data[0]
  93#define current_cpu_data cpu_data[smp_processor_id()]
  94#define raw_current_cpu_data cpu_data[raw_smp_processor_id()]
  95
  96#define cpu_sleep()     __asm__ __volatile__ ("sleep" : : : "memory")
  97#define cpu_relax()     barrier()
  98
  99/* Forward decl */
 100struct seq_operations;
 101
 102extern struct pt_regs fake_swapper_regs;
 103
 104/* arch/sh/kernel/setup.c */
 105const char *get_cpu_subtype(struct sh_cpuinfo *c);
 106extern const struct seq_operations cpuinfo_op;
 107
 108/* processor boot mode configuration */
 109#define MODE_PIN0 (1 << 0)
 110#define MODE_PIN1 (1 << 1)
 111#define MODE_PIN2 (1 << 2)
 112#define MODE_PIN3 (1 << 3)
 113#define MODE_PIN4 (1 << 4)
 114#define MODE_PIN5 (1 << 5)
 115#define MODE_PIN6 (1 << 6)
 116#define MODE_PIN7 (1 << 7)
 117#define MODE_PIN8 (1 << 8)
 118#define MODE_PIN9 (1 << 9)
 119#define MODE_PIN10 (1 << 10)
 120#define MODE_PIN11 (1 << 11)
 121#define MODE_PIN12 (1 << 12)
 122#define MODE_PIN13 (1 << 13)
 123#define MODE_PIN14 (1 << 14)
 124#define MODE_PIN15 (1 << 15)
 125
 126int generic_mode_pins(void);
 127int test_mode_pin(int pin);
 128
 129#ifdef CONFIG_VSYSCALL
 130int vsyscall_init(void);
 131#else
 132#define vsyscall_init() do { } while (0)
 133#endif
 134
 135#endif /* __ASSEMBLY__ */
 136
 137#ifdef CONFIG_SUPERH32
 138# include "processor_32.h"
 139#else
 140# include "processor_64.h"
 141#endif
 142
 143#endif /* __ASM_SH_PROCESSOR_H */
 144