edebea9877
Add support for the CDX Code Density Extensions present in Nios II R2 . This introduces new 16bit instruction set to improve code density while retaining support for the 32bit Nios II R2 instructions. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Ley Foon Tan <lftan@altera.com>
59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
/*
|
|
* Copyright (C) 2011 Tobias Klauser <tklauser@distanz.ch>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
#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 */
|