| /* |
| * (C) Copyright 2003 |
| * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| /*******************************************************/ |
| /* 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); |
| |
| #endif |
