include/asm-mips/mips-boards/atlas.h

   1 /*
   2  * Carsten Langgaard, carstenl@mips.com
   3  * Copyright (C) 2000 MIPS Technologies, Inc.  All rights reserved.
   4  *
   5  * ########################################################################
   6  *
   7  *  This program is free software; you can distribute it and/or modify it
   8  *  under the terms of the GNU General Public License (Version 2) as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope it will be useful, but WITHOUT
  12  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  *  for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License along
  17  *  with this program; if not, write to the Free Software Foundation, Inc.,
  18  *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
  19  *
  20  * ########################################################################
  21  *
  22  * Defines of the Atlas board specific address-MAP, registers, etc.
  23  *
  24  */
  25 #ifndef _MIPS_ATLAS_H
  26 #define _MIPS_ATLAS_H
  27
  28 #include <asm/addrspace.h>
  29
  30 /*
  31  * Atlas RTC-device indirect register access.
  32  */
  33 #define ATLAS_RTC_ADR_REG       0x1f000800
  34 #define ATLAS_RTC_DAT_REG       0x1f000808
  35
  36 /*
  37  * Atlas interrupt controller register base.
  38  */
  39 #define ATLAS_ICTRL_REGS_BASE   0x1f000000
  40
  41 /*
  42  * Atlas registers are memory mapped on 64-bit aligned boundaries and
  43  * only word access are allowed.
  44  */
  45 struct atlas_ictrl_regs {
  46         volatile unsigned int intraw;
  47         int dummy1;
  48         volatile unsigned int intseten;
  49         int dummy2;
  50         volatile unsigned int intrsten;
  51         int dummy3;
  52         volatile unsigned int intenable;
  53         int dummy4;
  54         volatile unsigned int intstatus;
  55         int dummy5;
  56 };
  57
  58 /*
  59  * Atlas UART register base.
  60  */
  61 #define ATLAS_UART_REGS_BASE    0x1f000900
  62 #define ATLAS_BASE_BAUD ( 3686400 / 16 )
  63
  64 /*
  65  * Atlas PSU standby register.
  66  */
  67 #define ATLAS_PSUSTBY_REG       0x1f000600
  68 #define ATLAS_GOSTBY            0x4d
  69
  70 /*
  71  * We make a universal assumption about the way the bootloader (YAMON)
  72  * have located the Philips SAA9730 chip.
  73  * This is not ideal, but is needed for setting up remote debugging as
  74  * soon as possible.
  75  */
  76 #define ATLAS_SAA9730_REG       0x10800000
  77
  78 #define ATLAS_SAA9730_BAUDCLOCK 3692300
  79
  80 #endif /* !(_MIPS_ATLAS_H) */