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	u32 mmu;
29	u32 has_div;
30	u32 has_mul;
31	u32 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 */
58