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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_SH_PROCESSOR_H
#define __ASM_SH_PROCESSOR_H
#include <asm/cpu-features.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,
/* 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_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);
#else
#define instruction_size(insn) (2)
#endif
void select_idle_routine(void);
#endif /* __ASSEMBLY__ */
#include <asm/processor_32.h>
#endif /* __ASM_SH_PROCESSOR_H */