47 lines
851 B
C
47 lines
851 B
C
/* 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 */
|