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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
11struct 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
42extern struct cpuinfo cpuinfo;
43
44extern void setup_cpuinfo(void);
45
46#endif /* _ASM_NIOS2_CPUINFO_H */
1/*
2 * Copyright (C) 2011 Tobias Klauser <tklauser@distanz.ch>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
16 *
17 */
18
19#ifndef _ASM_NIOS2_CPUINFO_H
20#define _ASM_NIOS2_CPUINFO_H
21
22#include <linux/types.h>
23
24struct cpuinfo {
25 /* Core CPU configuration */
26 char cpu_impl[12];
27 u32 cpu_clock_freq;
28 bool mmu;
29 bool has_div;
30 bool has_mul;
31 bool has_mulx;
32
33 /* CPU caches */
34 u32 icache_line_size;
35 u32 icache_size;
36 u32 dcache_line_size;
37 u32 dcache_size;
38
39 /* TLB */
40 u32 tlb_pid_num_bits; /* number of bits used for the PID in TLBMISC */
41 u32 tlb_num_ways;
42 u32 tlb_num_ways_log2;
43 u32 tlb_num_entries;
44 u32 tlb_num_lines;
45 u32 tlb_ptr_sz;
46
47 /* Addresses */
48 u32 reset_addr;
49 u32 exception_addr;
50 u32 fast_tlb_miss_exc_addr;
51};
52
53extern struct cpuinfo cpuinfo;
54
55extern void setup_cpuinfo(void);
56
57#endif /* _ASM_NIOS2_CPUINFO_H */