cpuinfo.h

 1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 * OpenRISC Linux
 4 *
 5 * Linux architectural port borrowing liberally from similar works of
 6 * others.  All original copyrights apply as per the original source
 7 * declaration.
 8 *
 9 * OpenRISC implementation:
10 * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
11 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
12 * et al.
13 */
14
15#ifndef __ASM_OPENRISC_CPUINFO_H
16#define __ASM_OPENRISC_CPUINFO_H
17
18#include <asm/spr.h>
19#include <asm/spr_defs.h>
20
21struct cache_desc {
22	u32 size;
23	u32 sets;
24	u32 block_size;
25	u32 ways;
26};
27
28struct cpuinfo_or1k {
29	u32 clock_frequency;
30
31	struct cache_desc icache;
32	struct cache_desc dcache;
33
34	u16 coreid;
35};
36
37extern struct cpuinfo_or1k cpuinfo_or1k[NR_CPUS];
38extern void setup_cpuinfo(void);
39
40/*
41 * Check if the cache component exists.
42 */
43extern bool cpu_cache_is_present(const unsigned int cache_type);
44
45#endif /* __ASM_OPENRISC_CPUINFO_H */