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#ifdef CONFIG_SMP 89 struct task_struct *idle; 90#endif 91 92 unsigned long flags; 93} __attribute__ ((aligned(L1_CACHE_BYTES))); 94 95extern struct sh_cpuinfo cpu_data[]; 96#define boot_cpu_data cpu_data[0] 97#define current_cpu_data cpu_data[smp_processor_id()] 98#define raw_current_cpu_data cpu_data[raw_smp_processor_id()] 99 100#define cpu_sleep() __asm__ __volatile__ ("sleep" : : : "memory") 101#define cpu_relax() barrier() 102 103/* Forward decl */ 104struct seq_operations; 105struct task_struct; 106 107extern struct pt_regs fake_swapper_regs; 108 109extern void cpu_init(void); 110extern void cpu_probe(void); 111 112/* arch/sh/kernel/process.c */ 113extern unsigned int xstate_size; 114extern void free_thread_xstate(struct task_struct *); 115extern struct kmem_cache *task_xstate_cachep; 116 117/* arch/sh/mm/alignment.c */ 118extern int get_unalign_ctl(struct task_struct *, unsigned long addr); 119extern int set_unalign_ctl(struct task_struct *, unsigned int val); 120 121#define GET_UNALIGN_CTL(tsk, addr) get_unalign_ctl((tsk), (addr)) 122#define SET_UNALIGN_CTL(tsk, val) set_unalign_ctl((tsk), (val)) 123 124/* arch/sh/mm/init.c */ 125extern unsigned int mem_init_done; 126 127/* arch/sh/kernel/setup.c */ 128const char *get_cpu_subtype(struct sh_cpuinfo *c); 129extern const struct seq_operations cpuinfo_op; 130 131/* thread_struct flags */ 132#define SH_THREAD_UAC_NOPRINT (1 << 0) 133#define SH_THREAD_UAC_SIGBUS (1 << 1) 134#define SH_THREAD_UAC_MASK (SH_THREAD_UAC_NOPRINT | SH_THREAD_UAC_SIGBUS) 135 136/* processor boot mode configuration */ 137#define MODE_PIN0 (1 << 0) 138#define MODE_PIN1 (1 << 1) 139#define MODE_PIN2 (1 << 2) 140#define MODE_PIN3 (1 << 3) 141#define MODE_PIN4 (1 << 4) 142#define MODE_PIN5 (1 << 5) 143#define MODE_PIN6 (1 << 6) 144#define MODE_PIN7 (1 << 7) 145#define MODE_PIN8 (1 << 8) 146#define MODE_PIN9 (1 << 9) 147#define MODE_PIN10 (1 << 10) 148#define MODE_PIN11 (1 << 11) 149#define MODE_PIN12 (1 << 12) 150#define MODE_PIN13 (1 << 13) 151#define MODE_PIN14 (1 << 14) 152#define MODE_PIN15 (1 << 15) 153 154int generic_mode_pins(void); 155int test_mode_pin(int pin); 156 157#ifdef CONFIG_VSYSCALL 158int vsyscall_init(void); 159#else 160#define vsyscall_init() do { } while (0) 161#endif 162 163#endif /* __ASSEMBLY__ */ 164 165#ifdef CONFIG_SUPERH32 166# include "processor_32.h" 167#else 168# include "processor_64.h" 169#endif 170 171#endif /* __ASM_SH_PROCESSOR_H */ 172