blob: b702fdd9a786427673d3a746277af7d54b1c9bc0 [file] [log] [blame]
* (C) Copyright 2003
* Stefan Roese, esd gmbh germany,
* See file CREDITS for list of people who contributed to this
* project.
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
/* file: ports.h */
/* abstract: This file contains extern declarations */
/* for providing stimulus to the JTAG ports.*/
#ifndef ports_dot_h
#define ports_dot_h
/* these constants are used to send the appropriate ports to setPort */
/* they should be enumerated types, but some of the microcontroller */
/* compilers don't like enumerated types */
#define TCK (short) 0
#define TMS (short) 1
#define TDI (short) 2
* Use CONFIG_SYS_FPGA_xxx defines from board include file.
#define JTAG_TMS CONFIG_SYS_FPGA_PRG /* output */
#define JTAG_TCK CONFIG_SYS_FPGA_CLK /* output */
#define JTAG_TDI CONFIG_SYS_FPGA_DATA /* output */
#define JTAG_TDO CONFIG_SYS_FPGA_DONE /* input */
/* set the port "p" (TCK, TMS, or TDI) to val (0 or 1) */
void setPort(short p, short val);
/* read the TDO bit and store it in val */
unsigned char readTDOBit(void);
/* make clock go down->up->down*/
void pulseClock(void);
/* read the next byte of data from the xsvf file */
void readByte(unsigned char *data);
void waitTime(long microsec);