diff options
Diffstat (limited to 'board/esd/common/xilinx_jtag/ports.c')
-rw-r--r-- | board/esd/common/xilinx_jtag/ports.c | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/board/esd/common/xilinx_jtag/ports.c b/board/esd/common/xilinx_jtag/ports.c deleted file mode 100644 index d79dbd1..0000000 --- a/board/esd/common/xilinx_jtag/ports.c +++ /dev/null @@ -1,99 +0,0 @@ -/* - * (C) Copyright 2003 - * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/*******************************************************/ -/* file: ports.c */ -/* abstract: This file contains the routines to */ -/* output values on the JTAG ports, to read */ -/* the TDO bit, and to read a byte of data */ -/* from the prom */ -/* */ -/*******************************************************/ - -#include <common.h> -#include <asm/processor.h> -#include <asm/io.h> - -#include "ports.h" - -static unsigned long output = 0; -static int filepos = 0; -static int oldstate = 0; -static int newstate = 0; -static int readptr = 0; - -extern const unsigned char *xsvfdata; - -/* if in debugging mode, then just set the variables */ -void setPort(short p,short val) -{ - if (p==TMS) { - if (val) { - output |= JTAG_TMS; - } else { - output &= ~JTAG_TMS; - } - } - if (p==TDI) { - if (val) { - output |= JTAG_TDI; - } else { - output &= ~JTAG_TDI; - } - } - if (p==TCK) { - if (val) { - output |= JTAG_TCK; - } else { - output &= ~JTAG_TCK; - } - out_be32((void *)GPIO0_OR, output); - } -} - - -/* toggle tck LH */ -void pulseClock(void) -{ - setPort(TCK,0); /* set the TCK port to low */ - setPort(TCK,1); /* set the TCK port to high */ -} - - -/* read in a byte of data from the prom */ -void readByte(unsigned char *data) -{ - /* pretend reading using a file */ - *data = xsvfdata[readptr++]; - newstate = filepos++ >> 10; - if (newstate != oldstate) { - printf("%4d kB\r\r\r\r", newstate); - oldstate = newstate; - } -} - -/* read the TDO bit from port */ -unsigned char readTDOBit(void) -{ - unsigned long inputs; - - inputs = in_be32((void *)GPIO0_IR); - if (inputs & JTAG_TDO) - return 1; - else - return 0; -} - - -/* Wait at least the specified number of microsec. */ -/* Use a timer if possible; otherwise estimate the number of instructions */ -/* necessary to be run based on the microcontroller speed. For this example */ -/* we pulse the TCK port a number of times based on the processor speed. */ -void waitTime(long microsec) -{ - udelay(microsec); /* esd */ -} |