board/cds/common/cadmus.h

   1 /*
   2  * Copyright 2004 Freescale Semiconductor.
   3  *
   4  * See file CREDITS for list of people who contributed to this
   5  * project.
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License as
   9  * published by the Free Software Foundation; either version 2 of
  10  * the License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  20  * MA 02111-1307 USA
  21  */
  22
  23 #ifndef __CADMUS_H_
  24 #define __CADMUS_H_
  25
  26
  27 /*
  28  * CADMUS Board System Register interface.
  29  */
  30
  31 /*
  32  * Returns board version register.
  33  */
  34 extern unsigned int get_board_version(void);
  35
  36 /*
  37  * Returns either 33000000 or 66000000 as the SYS_CLK_FREQ.
  38  */
  39 extern unsigned long get_clock_freq(void);
  40
  41
  42 /*
  43  * Returns 1 - 4, as found in the USER CSR[6:7] bits.
  44  */
  45 extern unsigned int get_pci_slot(void);
  46
  47
  48 /*
  49  * Returns PCI DUAL as found in CM_PCI[3].
  50  */
  51 extern unsigned int get_pci_dual(void);
  52
  53
  54 #endif  /* __CADMUS_H_ */