release/src-rt-6.x/linux/linux-2.6/arch/mips/momentum/ocelot_c/ocelot_c_fpga.h

   1 /*
   2  * Ocelot-C Board Register Definitions
   3  *
   4  * (C) 2002 Momentum Computer Inc.
   5  *
   6  *  This program is free software; you can redistribute  it and/or modify it
   7  *  under  the terms of  the GNU General  Public License as published by the
   8  *  Free Software Foundation;  either version 2 of the  License, or (at your
   9  *  option) any later version.
  10  *
  11  *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
  12  *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
  13  *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
  14  *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
  15  *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  16  *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
  17  *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  18  *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
  19  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  20  *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  21  *
  22  *  You should have received a copy of the  GNU General Public License along
  23  *  with this program; if not, write  to the Free Software Foundation, Inc.,
  24  *  675 Mass Ave, Cambridge, MA 02139, USA.
  25  *
  26  *  Louis Hamilton, Red Hat, Inc.
  27  *    hamilton@redhat.com  [MIPS64 modifications]
  28  */
  29
  30 #ifndef __OCELOT_C_FPGA_H__
  31 #define __OCELOT_C_FPGA_H__
  32
  33
  34 #ifdef CONFIG_64BIT
  35 #define OCELOT_C_CS0_ADDR       (0xfffffffffc000000)
  36 #else
  37 #define OCELOT_C_CS0_ADDR               (0xfc000000)
  38 #endif
  39
  40 #define OCELOT_C_REG_BOARDREV           0x0
  41 #define OCELOT_C_REG_FPGA_REV           0x1
  42 #define OCELOT_C_REG_FPGA_TYPE          0x2
  43 #define OCELOT_C_REG_RESET_STATUS       0x3
  44 #define OCELOT_C_REG_BOARD_STATUS       0x4
  45 #define OCELOT_C_REG_CPCI_ID            0x5
  46 #define OCELOT_C_REG_SET                0x6
  47 #define OCELOT_C_REG_CLR                0x7
  48 #define OCELOT_C_REG_EEPROM_MODE        0x9
  49 #define OCELOT_C_REG_INTMASK            0xa
  50 #define OCELOT_C_REG_INTSTAT            0xb
  51 #define OCELOT_C_REG_UART_INTMASK       0xc
  52 #define OCELOT_C_REG_UART_INTSTAT       0xd
  53 #define OCELOT_C_REG_INTSET             0xe
  54 #define OCELOT_C_REG_INTCLR             0xf
  55
  56 #define __FPGA_REG_TO_ADDR(reg)                                         \
  57         ((void *) OCELOT_C_CS0_ADDR + OCELOT_C_REG_##reg)
  58 #define OCELOT_FPGA_WRITE(x, reg) writeb(x, __FPGA_REG_TO_ADDR(reg))
  59 #define OCELOT_FPGA_READ(reg) readb(__FPGA_REG_TO_ADDR(reg))
  60
  61 #endif