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Diffstat (limited to 'arch/nios2/include/asm/cpuinfo.h')
| -rw-r--r-- | arch/nios2/include/asm/cpuinfo.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/nios2/include/asm/cpuinfo.h b/arch/nios2/include/asm/cpuinfo.h new file mode 100644 index 000000000..dbdaf96f2 --- /dev/null +++ b/arch/nios2/include/asm/cpuinfo.h @@ -0,0 +1,59 @@ +/* + * 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 */ |