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 */ 16 enum 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, 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 */ 52 struct 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 63 struct 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 80 extern 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 */ 89 struct seq_operations; 90 91 extern struct pt_regs fake_swapper_regs; 92 93 /* arch/sh/kernel/setup.c */ 94 const char *get_cpu_subtype(struct sh_cpuinfo *c); 95 extern const struct seq_operations cpuinfo_op; 96 97 #ifdef CONFIG_VSYSCALL 98 int 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 */ 112