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-rw-r--r--arch/sh/include/asm/processor.h175
1 files changed, 175 insertions, 0 deletions
diff --git a/arch/sh/include/asm/processor.h b/arch/sh/include/asm/processor.h
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+++ b/arch/sh/include/asm/processor.h
@@ -0,0 +1,175 @@
+/* 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 */