projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 9a2dd740 SR |
1 | /* |
| 2 | * (C) Copyright 2003 | |
| 3 | * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.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 | /* file: ports.h */ | |
| 26 | /* abstract: This file contains extern declarations */ | |
| 27 | /* for providing stimulus to the JTAG ports.*/ | |
| 28 | /*******************************************************/ | |
| 29 | ||
| 30 | #ifndef ports_dot_h | |
| 31 | #define ports_dot_h | |
| 32 | ||
| 33 | /* these constants are used to send the appropriate ports to setPort */ | |
| 34 | /* they should be enumerated types, but some of the microcontroller */ | |
| 35 | /* compilers don't like enumerated types */ | |
| 36 | #define TCK (short) 0 | |
| 37 | #define TMS (short) 1 | |
| 38 | #define TDI (short) 2 | |
| 39 | ||
| 40 | /* | |
| 6d0f6bcf | 41 | * Use CONFIG_SYS_FPGA_xxx defines from board include file. |
| 9a2dd740 | 42 | */ |
| 6d0f6bcf JCPV |
43 | #define JTAG_TMS CONFIG_SYS_FPGA_PRG /* output */ |
| 44 | #define JTAG_TCK CONFIG_SYS_FPGA_CLK /* output */ | |
| 45 | #define JTAG_TDI CONFIG_SYS_FPGA_DATA /* output */ | |
| 46 | #define JTAG_TDO CONFIG_SYS_FPGA_DONE /* input */ | |
| 9a2dd740 SR |
47 | |
| 48 | /* set the port "p" (TCK, TMS, or TDI) to val (0 or 1) */ | |
| 49 | void setPort(short p, short val); | |
| 50 | ||
| 51 | /* read the TDO bit and store it in val */ | |
| 52 | unsigned char readTDOBit(void); | |
| 53 | ||
| 54 | /* make clock go down->up->down*/ | |
| 55 | void pulseClock(void); | |
| 56 | ||
| 57 | /* read the next byte of data from the xsvf file */ | |
| 58 | void readByte(unsigned char *data); | |
| 59 | ||
| 60 | void waitTime(long microsec); | |
| 61 | ||
| 62 | #endif |