1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Copyright (C) 2011 Tobias Klauser <tklauser@distanz.ch> 4 */ 5 6 #ifndef _ASM_NIOS2_CPUINFO_H 7 #define _ASM_NIOS2_CPUINFO_H 8 9 #include <linux/types.h> 10 11 struct cpuinfo { 12 /* Core CPU configuration */ 13 char cpu_impl[12]; 14 u32 cpu_clock_freq; 15 bool mmu; 16 bool has_div; 17 bool has_mul; 18 bool has_mulx; 19 bool has_bmx; 20 bool has_cdx; 21 22 /* CPU caches */ 23 u32 icache_line_size; 24 u32 icache_size; 25 u32 dcache_line_size; 26 u32 dcache_size; 27 28 /* TLB */ 29 u32 tlb_pid_num_bits; /* number of bits used for the PID in TLBMISC */ 30 u32 tlb_num_ways; 31 u32 tlb_num_ways_log2; 32 u32 tlb_num_entries; 33 u32 tlb_num_lines; 34 u32 tlb_ptr_sz; 35 36 /* Addresses */ 37 u32 reset_addr; 38 u32 exception_addr; 39 u32 fast_tlb_miss_exc_addr; 40 }; 41 42 extern struct cpuinfo cpuinfo; 43 44 extern void setup_cpuinfo(void); 45 46 #endif /* _ASM_NIOS2_CPUINFO_H */ 47