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cpuinfo.h

/*
 * Generic support for queying CPU info
 *
 * Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu>
 * Copyright (C) 2007-2009 PetaLogix
 * Copyright (C) 2007 John Williams <jwilliams@itee.uq.edu.au>
 *
 * 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.
 */

#ifndef _ASM_MICROBLAZE_CPUINFO_H
#define _ASM_MICROBLAZE_CPUINFO_H

#include <asm/prom.h>

/* CPU Version and FPGA Family code conversion table type */
00019 struct cpu_ver_key {
      const char *s;
      const unsigned k;
};

extern const struct cpu_ver_key cpu_ver_lookup[];

00026 struct family_string_key {
      const char *s;
      const unsigned k;
};

extern const struct family_string_key family_string_lookup[];

00033 struct cpuinfo {
      /* Core CPU configuration */
      u32 use_instr;
      u32 use_mult;
      u32 use_fpu;
      u32 use_exc;
      u32 ver_code;
      u32 mmu;

      /* CPU caches */
      u32 use_icache;
      u32 icache_tagbits;
      u32 icache_write;
      u32 icache_line;
      u32 icache_size;
      unsigned long icache_base;
      unsigned long icache_high;

      u32 use_dcache;
      u32 dcache_tagbits;
      u32 dcache_write;
      u32 dcache_line;
      u32 dcache_size;
      unsigned long dcache_base;
      unsigned long dcache_high;

      /* Bus connections */
      u32 use_dopb;
      u32 use_iopb;
      u32 use_dlmb;
      u32 use_ilmb;
      u32 num_fsl;

      /* CPU interrupt line info */
      u32 irq_edge;
      u32 irq_positive;

      u32 area_optimised;

      /* HW debug support */
      u32 hw_debug;
      u32 num_pc_brk;
      u32 num_rd_brk;
      u32 num_wr_brk;
      u32 cpu_clock_freq; /* store real freq of cpu */
      u32 freq_div_hz; /* store freq/HZ */

      /* FPGA family */
      u32 fpga_family_code;

      /* User define */
      u32 pvr_user1;
      u32 pvr_user2;
};

extern struct cpuinfo cpuinfo;

/* fwd declarations of the various CPUinfo populators */
void setup_cpuinfo(void);

void set_cpuinfo_static(struct cpuinfo *ci, struct device_node *cpu);
void set_cpuinfo_pvr_full(struct cpuinfo *ci, struct device_node *cpu);

static inline unsigned int fcpu(struct device_node *cpu, char *n)
{
      int *val;
      return (val = (int *) of_get_property(cpu, n, NULL)) ? *val : 0;
}

#endif /* _ASM_MICROBLAZE_CPUINFO_H */

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