1 files changed, 82 insertions, 0 deletions

diff --git a/include/asm-mips/cpu-info.h b/include/asm-mips/cpu-info.h
new file mode 100644
index 000000000000..20a35b15a31d
--- /dev/null
+++ b/include/asm-mips/cpu-info.h
@@ -0,0 +1,82 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1994 Waldorf GMBH
+ * Copyright (C) 1995, 1996, 1997, 1998, 1999, 2001, 2002, 2003 Ralf Baechle
+ * Copyright (C) 1996 Paul M. Antoine
+ * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
+ */
+#ifndef __ASM_CPU_INFO_H
+#define __ASM_CPU_INFO_H
+
+#include <linux/config.h>
+#include <asm/cache.h>
+
+#ifdef CONFIG_SGI_IP27
+#include <asm/sn/types.h>
+#endif
+
+/*
+ * Descriptor for a cache
+ */
+struct cache_desc {
+        unsigned short linesz;  /* Size of line in bytes */
+        unsigned short ways;    /* Number of ways */
+        unsigned short sets;    /* Number of lines per set */
+        unsigned int waysize;   /* Bytes per way */
+        unsigned int waybit;    /* Bits to select in a cache set */
+        unsigned int flags;     /* Flags describing cache properties */
+};
+
+/*
+ * Flag definitions
+ */
+#define MIPS_CACHE_NOT_PRESENT  0x00000001
+#define MIPS_CACHE_VTAG         0x00000002      /* Virtually tagged cache */
+#define MIPS_CACHE_ALIASES      0x00000004      /* Cache could have aliases */
+#define MIPS_CACHE_IC_F_DC      0x00000008      /* Ic can refill from D-cache */
+#define MIPS_IC_SNOOPS_REMOTE   0x00000010      /* Ic snoops remote stores */
+
+struct cpuinfo_mips {
+        unsigned long           udelay_val;
+        unsigned long           asid_cache;
+#if defined(CONFIG_SGI_IP27)
+//      cpuid_t         p_cpuid;        /* PROM assigned cpuid */
+        cnodeid_t       p_nodeid;       /* my node ID in compact-id-space */
+        nasid_t         p_nasid;        /* my node ID in numa-as-id-space */
+        unsigned char   p_slice;        /* Physical position on node board */
+#endif
+#if 0
+        unsigned long           loops_per_sec;
+        unsigned long           ipi_count;
+        unsigned long           irq_attempt[NR_IRQS];
+        unsigned long           smp_local_irq_count;
+        unsigned long           prof_multiplier;
+        unsigned long           prof_counter;
+#endif
+
+        /*
+         * Capability and feature descriptor structure for MIPS CPU
+         */
+        unsigned long           options;
+        unsigned int            processor_id;
+        unsigned int            fpu_id;
+        unsigned int            cputype;
+        int                     isa_level;
+        int                     tlbsize;
+        struct cache_desc       icache; /* Primary I-cache */
+        struct cache_desc       dcache; /* Primary D or combined I/D cache */
+        struct cache_desc       scache; /* Secondary cache */
+        struct cache_desc       tcache; /* Tertiary/split secondary cache */
+        void                    *data;  /* Additional data */
+} __attribute__((aligned(SMP_CACHE_BYTES)));
+
+extern struct cpuinfo_mips cpu_data[];
+#define current_cpu_data cpu_data[smp_processor_id()]
+
+extern void cpu_probe(void);
+extern void cpu_report(void);
+
+#endif /* __ASM_CPU_INFO_H */