include/cmd_spi.h

   1 /*
   2  * (C) Copyright 2002
   3  * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 /*
  25  * SPI Functions
  26  */
  27 #ifndef _CMD_SPI_H
  28 #define _CMD_SPI_H
  29
  30 #if (CONFIG_COMMANDS & CFG_CMD_SPI)
  31 #define CMD_TBL_SPI     MK_CMD_TBL_ENTRY(                               \
  32         "sspi",         3,      5,      1,      do_spi,                 \
  33         "sspi     - SPI utility commands\n",                            \
  34         "\
  35 <device> <bit_len> <dout> - Send <bit_len> bits from <dout> out the SPI\n\
  36   <device>  - Identifies the chip select of the device\n\
  37   <bit_len> - Number of bits to send (base 10)\n\
  38   <dout>    - Hexadecimal string that gets sent\n" \
  39 ),
  40
  41 int do_spi       (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]);
  42
  43 #else
  44 #define CMD_TBL_SPI
  45 #endif  /* CFG_CMD_SPI */
  46
  47 #endif  /* _CMD_SPI_H */