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author | stroese <stroese> | 2003-09-12 08:42:58 +0000 |
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committer | stroese <stroese> | 2003-09-12 08:42:58 +0000 |
commit | 9a2dd74032956aa85f50d10a878786494f9a1ffc (patch) | |
tree | 295799bbb2b7aa3e53083dd9c42cfb178114f60a /board/esd/common/xilinx_jtag/ports.h | |
parent | 22a40b0a881de5a763faf17d6bc64afae82a7675 (diff) | |
download | u-boot-imx-9a2dd74032956aa85f50d10a878786494f9a1ffc.zip u-boot-imx-9a2dd74032956aa85f50d10a878786494f9a1ffc.tar.gz u-boot-imx-9a2dd74032956aa85f50d10a878786494f9a1ffc.tar.bz2 |
Xilinx jtag tool added.
Diffstat (limited to 'board/esd/common/xilinx_jtag/ports.h')
-rw-r--r-- | board/esd/common/xilinx_jtag/ports.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/board/esd/common/xilinx_jtag/ports.h b/board/esd/common/xilinx_jtag/ports.h new file mode 100644 index 0000000..0e38990 --- /dev/null +++ b/board/esd/common/xilinx_jtag/ports.h @@ -0,0 +1,62 @@ +/* + * (C) Copyright 2003 + * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com + * + * 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 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * 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 CFG_FPGA_xxx defines from board include file. + */ +#define JTAG_TMS CFG_FPGA_PRG /* output */ +#define JTAG_TCK CFG_FPGA_CLK /* output */ +#define JTAG_TDI CFG_FPGA_DATA /* output */ +#define JTAG_TDO CFG_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); + +#endif |