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-rw-r--r--arch/nios2/include/asm/cpuinfo.h46
1 files changed, 46 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..61349e003
--- /dev/null
+++ b/arch/nios2/include/asm/cpuinfo.h
@@ -0,0 +1,46 @@
+/* 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 */