firmware/target/arm/tms320dm320/dsp-target.h

   1 /*
   2  * (C) Copyright 2007 Catalin Patulea <cat@vv.carleton.ca>
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of
   7  * the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  17  * MA 02111-1307 USA
  18  *
  19  */
  20 #ifndef DSP_H
  21 #define DSP_H
  22
  23 /* DSP memory is mapped into ARM space via HPIB. */
  24 #define DSP_(addr) (*(volatile unsigned short *)(0x40000 + ((addr) << 1)))
  25
  26 /* A "DSP image" is an array of these, terminated by raw_data_size_half = 0. */
  27 struct dsp_section {
  28     const unsigned short *raw_data;
  29     unsigned short physical_addr;
  30     unsigned short raw_data_size_half;
  31 };
  32
  33 #define dsp_message (*(volatile struct ipc_message *)&DSP_(_status))
  34
  35 /* Must define struct dsp_section before including the image. */
  36 #include "dsp/dsp-image.h"
  37
  38 void dsp_wake(void);
  39 void dsp_load(const struct dsp_section *im);
  40 void dsp_reset(void);
  41
  42 #endif