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/*
* (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
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