* Copyright (C) 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
+ * Copyright (C) 2008 by Spencer Oliver *
+ * spen@spen-soft.co.uk *
+ * *
* 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 *
#include "bitbang.h"
/* system includes */
-// -ino: 060521-1036
-#ifdef __FreeBSD__
+/* -ino: 060521-1036 */
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
#include <sys/types.h>
#include <machine/sysarch.h>
#else
-#ifndef _WIN32
-#include <sys/io.h>
-#else
+#ifdef _WIN32
#include "errno.h"
#endif /* _WIN32 */
#include <stdio.h>
#if PARPORT_USE_PPDEV == 1
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+#include <dev/ppbus/ppi.h>
+#include <dev/ppbus/ppbconf.h>
+#define PPRSTATUS PPIGSTATUS
+#define PPWDATA PPISDATA
+#else
#include <linux/parport.h>
#include <linux/ppdev.h>
+#endif
#include <fcntl.h>
#include <sys/ioctl.h>
+#else /* not PARPORT_USE_PPDEV */
+#ifndef _WIN32
+#include <sys/io.h>
+#endif
#endif
#if PARPORT_USE_GIVEIO == 1
#if IS_CYGWIN == 1
#include <windows.h>
#include <errno.h>
-#undef ERROR
#endif
#endif
u8 OUTPUT_INVERT; /* data port bits that should be inverted */
u8 INPUT_INVERT; /* status port that should be inverted */
u8 PORT_INIT; /* initialize data port with this value */
+ u8 PORT_EXIT; /* de-initialize data port with this value */
+ u8 LED_MASK; /* data port bit for LED */
} cable_t;
cable_t cables[] =
{
- /* name tdo trst tms tck tdi srst o_inv i_inv init */
- { "wiggler", 0x80, 0x10, 0x02, 0x04, 0x08, 0x01, 0x01, 0x80, 0x80 },
- { "old_amt_wiggler", 0x80, 0x01, 0x02, 0x04, 0x08, 0x10, 0x11, 0x80, 0x80 },
- { "chameleon", 0x80, 0x00, 0x04, 0x01, 0x02, 0x00, 0x00, 0x80, 0x00 },
- { "dlc5", 0x10, 0x00, 0x04, 0x02, 0x01, 0x00, 0x00, 0x00, 0x10 },
- { "triton", 0x80, 0x08, 0x04, 0x01, 0x02, 0x00, 0x00, 0x80, 0x00 },
- { NULL, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
+ /* name tdo trst tms tck tdi srst o_inv i_inv init exit led */
+ { "wiggler", 0x80, 0x10, 0x02, 0x04, 0x08, 0x01, 0x01, 0x80, 0x80, 0x80, 0x00 },
+ { "wiggler2", 0x80, 0x10, 0x02, 0x04, 0x08, 0x01, 0x01, 0x80, 0x80, 0x00, 0x20 },
+ { "wiggler_ntrst_inverted",
+ 0x80, 0x10, 0x02, 0x04, 0x08, 0x01, 0x11, 0x80, 0x80, 0x80, 0x00 },
+ { "old_amt_wiggler", 0x80, 0x01, 0x02, 0x04, 0x08, 0x10, 0x11, 0x80, 0x80, 0x80, 0x00 },
+ { "arm-jtag", 0x80, 0x01, 0x02, 0x04, 0x08, 0x10, 0x01, 0x80, 0x80, 0x80, 0x00 },
+ { "chameleon", 0x80, 0x00, 0x04, 0x01, 0x02, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00 },
+ { "dlc5", 0x10, 0x00, 0x04, 0x02, 0x01, 0x00, 0x00, 0x00, 0x10, 0x10, 0x00 },
+ { "triton", 0x80, 0x08, 0x04, 0x01, 0x02, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00 },
+ { "lattice", 0x40, 0x10, 0x04, 0x02, 0x01, 0x08, 0x00, 0x00, 0x18, 0x18, 0x00 },
+ { "flashlink", 0x20, 0x10, 0x02, 0x01, 0x04, 0x20, 0x30, 0x20, 0x00, 0x00, 0x00 },
+/* Altium Universal JTAG cable. Set the cable to Xilinx Mode and wire to target as follows:
+ HARD TCK - Target TCK
+ HARD TMS - Target TMS
+ HARD TDI - Target TDI
+ HARD TDO - Target TDO
+ SOFT TCK - Target TRST
+ SOFT TDI - Target SRST
+*/
+ { "altium", 0x10, 0x20, 0x04, 0x02, 0x01, 0x80, 0x00, 0x00, 0x10, 0x00, 0x08 },
+ { NULL, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
};
/* configuration */
-char* parport_cable;
-unsigned long parport_port;
+char* parport_cable = NULL;
+u16 parport_port;
+static int parport_exit = 0;
/* interface variables
*/
int parport_read(void);
void parport_write(int tck, int tms, int tdi);
void parport_reset(int trst, int srst);
+void parport_led(int on);
int parport_speed(int speed);
int parport_register_commands(struct command_context_s *cmd_ctx);
/* interface commands */
int parport_handle_parport_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int parport_handle_parport_cable_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int parport_handle_write_on_exit_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
jtag_interface_t parport_interface =
{
.execute_queue = bitbang_execute_queue,
- .support_statemove = 0,
-
.speed = parport_speed,
.register_commands = parport_register_commands,
.init = parport_init,
{
.read = parport_read,
.write = parport_write,
- .reset = parport_reset
+ .reset = parport_reset,
+ .blink = parport_led
};
int parport_read(void)
return 0;
}
-void parport_write(int tck, int tms, int tdi)
+static __inline__ void parport_write_data(void)
{
u8 output;
+ output = dataport_value ^ cable->OUTPUT_INVERT;
+
+#if PARPORT_USE_PPDEV == 1
+ ioctl(device_handle, PPWDATA, &output);
+#else
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+ outb(dataport, output);
+#else
+ outb(output, dataport);
+#endif
+#endif
+}
+
+void parport_write(int tck, int tms, int tdi)
+{
int i = jtag_speed + 1;
if (tck)
else
dataport_value &= ~cable->TDI_MASK;
- output = dataport_value ^ cable->OUTPUT_INVERT;
-
while (i-- > 0)
-#if PARPORT_USE_PPDEV == 1
- ioctl(device_handle, PPWDATA, &output);
-#else
-#ifdef __FreeBSD__
- outb(dataport, output);
-#else
- outb(output, dataport);
-#endif
-#endif
+ parport_write_data();
}
/* (1) assert or (0) deassert reset lines */
void parport_reset(int trst, int srst)
{
- u8 output;
- DEBUG("trst: %i, srst: %i", trst, srst);
+ LOG_DEBUG("trst: %i, srst: %i", trst, srst);
if (trst == 0)
dataport_value |= cable->TRST_MASK;
else if (srst == 1)
dataport_value &= ~cable->SRST_MASK;
- output = dataport_value ^ cable->OUTPUT_INVERT;
+ parport_write_data();
+}
-#if PARPORT_USE_PPDEV == 1
- ioctl(device_handle, PPWDATA, &output);
-#else
-#ifdef __FreeBSD__
- outb(dataport, output);
-#else
- outb(output, dataport);
-#endif
-#endif
+/* turn LED on parport adapter on (1) or off (0) */
+void parport_led(int on)
+{
+ if (on)
+ dataport_value |= cable->LED_MASK;
+ else
+ dataport_value &= ~cable->LED_MASK;
+ parport_write_data();
}
int parport_speed(int speed)
{
- jtag_speed = speed;
-
return ERROR_OK;
}
COMMAND_CONFIG, NULL);
register_command(cmd_ctx, NULL, "parport_cable", parport_handle_parport_cable_command,
COMMAND_CONFIG, NULL);
+ register_command(cmd_ctx, NULL, "parport_write_on_exit", parport_handle_write_on_exit_command,
+ COMMAND_CONFIG, NULL);
return ERROR_OK;
}
#if PARPORT_USE_GIVEIO == 1
-int parport_get_giveio_access()
+int parport_get_giveio_access(void)
{
- HANDLE h;
- OSVERSIONINFO version;
-
- version.dwOSVersionInfoSize = sizeof version;
- if (!GetVersionEx( &version )) {
- errno = EINVAL;
- return -1;
- }
- if (version.dwPlatformId != VER_PLATFORM_WIN32_NT)
- return 0;
-
- h = CreateFile( "\\\\.\\giveio", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
- if (h == INVALID_HANDLE_VALUE) {
- errno = ENODEV;
- return -1;
- }
-
- CloseHandle( h );
-
- return 0;
+ HANDLE h;
+ OSVERSIONINFO version;
+
+ version.dwOSVersionInfoSize = sizeof version;
+ if (!GetVersionEx( &version )) {
+ errno = EINVAL;
+ return -1;
+ }
+ if (version.dwPlatformId != VER_PLATFORM_WIN32_NT)
+ return 0;
+
+ h = CreateFile( "\\\\.\\giveio", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
+ if (h == INVALID_HANDLE_VALUE) {
+ errno = ENODEV;
+ return -1;
+ }
+
+ CloseHandle( h );
+
+ return 0;
}
#endif
if ((parport_cable == NULL) || (parport_cable[0] == 0))
{
parport_cable = "wiggler";
- WARNING("No parport cable specified, using default 'wiggler'");
+ LOG_WARNING("No parport cable specified, using default 'wiggler'");
}
while (cur_cable->name)
if (!cable)
{
- ERROR("No matching cable found for %s", parport_cable);
+ LOG_ERROR("No matching cable found for %s", parport_cable);
return ERROR_JTAG_INIT_FAILED;
}
dataport_value = cable->PORT_INIT;
#if PARPORT_USE_PPDEV == 1
- if (device_handle>0)
+ if (device_handle > 0)
{
- ERROR("device is already opened");
+ LOG_ERROR("device is already opened");
return ERROR_JTAG_INIT_FAILED;
}
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+ LOG_DEBUG("opening /dev/ppi%d...", parport_port);
+
+ snprintf(buffer, 256, "/dev/ppi%d", parport_port);
+ device_handle = open(buffer, O_WRONLY);
+#else /* not __FreeBSD__, __FreeBSD_kernel__ */
+ LOG_DEBUG("opening /dev/parport%d...", parport_port);
+
snprintf(buffer, 256, "/dev/parport%d", parport_port);
device_handle = open(buffer, O_WRONLY);
-
- if (device_handle<0)
+#endif /* __FreeBSD__, __FreeBSD_kernel__ */
+
+ if (device_handle < 0)
{
- ERROR("cannot open device. check it exists and that user read and write rights are set");
+ LOG_ERROR("cannot open device. check it exists and that user read and write rights are set");
return ERROR_JTAG_INIT_FAILED;
}
+ LOG_DEBUG("...open");
+
+#if !defined(__FreeBSD__) && !defined(__FreeBSD_kernel__)
i=ioctl(device_handle, PPCLAIM);
if (i<0)
{
- ERROR("cannot claim device");
+ LOG_ERROR("cannot claim device");
return ERROR_JTAG_INIT_FAILED;
}
i= ioctl(device_handle, PPSETMODE, & i);
if (i<0)
{
- ERROR(" cannot set compatible mode to device");
+ LOG_ERROR(" cannot set compatible mode to device");
return ERROR_JTAG_INIT_FAILED;
}
i = ioctl(device_handle, PPNEGOT, & i);
if (i<0)
{
- ERROR("cannot set compatible 1284 mode to device");
+ LOG_ERROR("cannot set compatible 1284 mode to device");
return ERROR_JTAG_INIT_FAILED;
}
-#else
+#endif /* not __FreeBSD__, __FreeBSD_kernel__ */
+
+#else /* not PARPORT_USE_PPDEV */
if (parport_port == 0)
{
parport_port = 0x378;
- WARNING("No parport port specified, using default '0x378' (LPT1)");
+ LOG_WARNING("No parport port specified, using default '0x378' (LPT1)");
}
dataport = parport_port;
statusport = parport_port + 1;
-
+
+ LOG_DEBUG("requesting privileges for parallel port 0x%lx...", dataport);
#if PARPORT_USE_GIVEIO == 1
if (parport_get_giveio_access() != 0)
#else /* PARPORT_USE_GIVEIO */
if (ioperm(dataport, 3, 1) != 0)
#endif /* PARPORT_USE_GIVEIO */
{
- ERROR("missing privileges for direct i/o");
+ LOG_ERROR("missing privileges for direct i/o");
return ERROR_JTAG_INIT_FAILED;
}
+ LOG_DEBUG("...privileges granted");
+
+ /* make sure parallel port is in right mode (clear tristate and interrupt */
+ #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+ outb(parport_port + 2, 0x0);
+ #else
+ outb(0x0, parport_port + 2);
+ #endif
+
#endif /* PARPORT_USE_PPDEV */
parport_reset(0, 0);
parport_write(0, 0, 0);
+ parport_led(1);
bitbang_interface = &parport_bitbang;
int parport_quit(void)
{
+ parport_led(0);
+ if (parport_exit)
+ {
+ dataport_value = cable->PORT_EXIT;
+ parport_write_data();
+ }
+
+ if (parport_cable)
+ {
+ free(parport_cable);
+ parport_cable = NULL;
+ }
+
return ERROR_OK;
}
return ERROR_OK;
}
+
+int parport_handle_write_on_exit_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ if (argc != 1)
+ {
+ command_print(cmd_ctx, "usage: parport_write_on_exit <on|off>");
+ return ERROR_OK;
+ }
+
+ if (strcmp(args[0], "on") == 0)
+ parport_exit = 1;
+ else if (strcmp(args[0], "off") == 0)
+ parport_exit = 0;
+
+ return ERROR_OK;
+}
projects / fw / openocd / blobdiff