xref: /linux/arch/nios2/include/asm/cpuinfo.h (revision 58e16d792a6a8c6b750f637a4649967fcac853dc)
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