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Diffstat (limited to '')
| -rw-r--r-- | arch/nios2/include/asm/cpuinfo.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/nios2/include/asm/cpuinfo.h b/arch/nios2/include/asm/cpuinfo.h new file mode 100644 index 000000000..61349e003 --- /dev/null +++ b/arch/nios2/include/asm/cpuinfo.h @@ -0,0 +1,46 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2011 Tobias Klauser <tklauser@distanz.ch> + */ + +#ifndef _ASM_NIOS2_CPUINFO_H +#define _ASM_NIOS2_CPUINFO_H + +#include <linux/types.h> + +struct cpuinfo { + /* Core CPU configuration */ + char cpu_impl[12]; + u32 cpu_clock_freq; + bool mmu; + bool has_div; + bool has_mul; + bool has_mulx; + bool has_bmx; + bool has_cdx; + + /* CPU caches */ + u32 icache_line_size; + u32 icache_size; + u32 dcache_line_size; + u32 dcache_size; + + /* TLB */ + u32 tlb_pid_num_bits; /* number of bits used for the PID in TLBMISC */ + u32 tlb_num_ways; + u32 tlb_num_ways_log2; + u32 tlb_num_entries; + u32 tlb_num_lines; + u32 tlb_ptr_sz; + + /* Addresses */ + u32 reset_addr; + u32 exception_addr; + u32 fast_tlb_miss_exc_addr; +}; + +extern struct cpuinfo cpuinfo; + +extern void setup_cpuinfo(void); + +#endif /* _ASM_NIOS2_CPUINFO_H */ |