| /* 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 */ |