| /* 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 */ |