include/asm-blackfin/cplb-mpu.h

   1 /*
   2  * File:         include/asm-blackfin/cplbinit.h
   3  * Based on:
   4  * Author:
   5  *
   6  * Created:
   7  * Description:
   8  *
   9  * Modified:
  10  *               Copyright 2004-2006 Analog Devices Inc.
  11  *
  12  * Bugs:         Enter bugs at http://blackfin.uclinux.org/
  13  *
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation; either version 2 of the License, or
  17  * (at your option) any later version.
  18  *
  19  * This program is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with this program; if not, see the file COPYING, or write
  26  * to the Free Software Foundation, Inc.,
  27  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  28  */
  29 #ifndef __ASM_BFIN_CPLB_MPU_H
  30 #define __ASM_BFIN_CPLB_MPU_H
  31
  32 struct cplb_entry {
  33         unsigned long data, addr;
  34 };
  35
  36 struct mem_region {
  37         unsigned long start, end;
  38         unsigned long dcplb_data;
  39         unsigned long icplb_data;
  40 };
  41
  42 extern struct cplb_entry dcplb_tbl[MAX_CPLBS];
  43 extern struct cplb_entry icplb_tbl[MAX_CPLBS];
  44 extern int first_switched_icplb;
  45 extern int first_mask_dcplb;
  46 extern int first_switched_dcplb;
  47
  48 extern int nr_dcplb_miss, nr_icplb_miss, nr_icplb_supv_miss, nr_dcplb_prot;
  49 extern int nr_cplb_flush;
  50
  51 extern int page_mask_order;
  52 extern int page_mask_nelts;
  53
  54 extern unsigned long *current_rwx_mask;
  55
  56 extern void flush_switched_cplbs(void);
  57 extern void set_mask_dcplbs(unsigned long *);
  58
  59 extern void __noreturn panic_cplb_error(int seqstat, struct pt_regs *);
  60
  61 #endif /* __ASM_BFIN_CPLB_MPU_H */