root/include/asm-mips/mipsconfig.h

/* */

INCLUDED FROM

   1 /*
   2  * include/asm-mips/mipsconfig.h
   3  *
   4  * This file is subject to the terms and conditions of the GNU General Public
   5  * License.  See the file "COPYING" in the main directory of this archive
   6  * for more details.
   7  *
   8  * Copyright (C) 1994, 1995 by Ralf Baechle
   9  */
  10 #ifndef __ASM_MIPS_MIPSCONFIG_H
  11 #define __ASM_MIPS_MIPSCONFIG_H
  12 
  13 /*
  14  * This is the virtual address to which all ports are being mapped.
  15  * Must be a value that can be load with a lui instruction.
  16  */
  17 #ifndef PORT_BASE
  18 #define PORT_BASE               0xe2000000
  19 #endif
  20 
  21 /*
  22  * Pagetables are 4MB mapped at 0xe4000000
  23  * Must be a value that can be loaded with a single instruction.
  24  */
  25 #define TLBMAP                  0xe4000000
  26 
  27 /*
  28  * The virtual address where we'll map the pagetables
  29  * For a base address of 0xe3000000 this is 0xe338c000
  30  * For a base address of 0xe4000000 this is 0xe4390000
  31  * FIXME: Gas computes the following expression with signed
  32  *        shift and therefore false
  33 #define TLB_ROOT                (TLBMAP + (TLBMAP >> (12-2)))
  34  */
  35 #define TLB_ROOT                0xe4390000
  36 
  37 /*
  38  * Use this to activate extra TLB error checking
  39  */
  40 #define CONF_DEBUG_TLB
  41 
  42 /*
  43  * Use this to activate extra TLB profiling code
  44  * (currently not implemented)
  45  */
  46 #undef CONF_PROFILE_TLB
  47 
  48 /*
  49  * Disable all caching.  Usefull to find trouble with caches in drivers.
  50  */
  51 #undef CONF_DISABLE_KSEG0_CACHING
  52 
  53 /*
  54  * Set this to one to enable additional vdma debug code.
  55  */
  56 #define CONF_DEBUG_VDMA 0
  57 
  58 #endif /* __ASM_MIPS_MIPSCONFIG_H */

/* */