- added a PLD (programmable logic device) subsystem for FPGA, CPLD etc. configuration

- added support for loading .bit files into Xilinx Virtex-II devices
- added support for the Gateworks GW16012 JTAG dongle
- merged CFI fixes from XScale branch
- a few minor fixes


git-svn-id: svn://svn.berlios.de/openocd/trunk@116 b42882b7-edfa-0310-969c-e2dbd0fdcd60

1 files changed, 218 insertions, 0 deletions

diff --git a/src/pld/pld.c b/src/pld/pld.c
new file mode 100644
index 00000000..a20f9d94
--- /dev/null
+++ b/src/pld/pld.c
@@ -0,0 +1,218 @@
+/***************************************************************************
+ *   Copyright (C) 2006 by Dominic Rath                                    *
+ *   Dominic.Rath@gmx.de                                                   *
+ *                                                                         *
+ *   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     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "pld.h"
+
+#include "jtag.h"
+#include "command.h"
+#include "log.h"
+#include "time_support.h"
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <string.h>
+
+#include <sys/time.h>
+#include <time.h>
+
+/* pld drivers
+ */
+extern pld_driver_t virtex2_pld;
+
+pld_driver_t *pld_drivers[] =
+{
+	&virtex2_pld,
+	NULL,
+};
+
+pld_device_t *pld_devices;
+static command_t *pld_cmd;
+
+int handle_pld_devices_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_pld_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_pld_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+
+int pld_init(struct command_context_s *cmd_ctx)
+{
+	if (pld_devices)
+	{
+		register_command(cmd_ctx, pld_cmd, "devices", handle_pld_devices_command, COMMAND_EXEC,
+						"list configured pld devices");
+		register_command(cmd_ctx, pld_cmd, "load", handle_pld_load_command, COMMAND_EXEC,
+						"load configuration <file> into programmable logic device");
+	}
+	
+	return ERROR_OK;
+}
+
+pld_device_t *get_pld_device_by_num(int num)
+{
+	pld_device_t *p;
+	int i = 0;
+
+	for (p = pld_devices; p; p = p->next)
+	{
+		if (i++ == num)
+		{
+			return p;
+		}
+	}
+	
+	return NULL;
+}
+
+/* pld device <driver> [driver_options ...]
+ */
+int handle_pld_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+	int i;
+	int found = 0;
+		
+	if (argc < 1)
+	{
+		WARNING("incomplete 'pld bank' configuration");
+		return ERROR_OK;
+	}
+	
+	for (i = 0; pld_drivers[i]; i++)
+	{
+		if (strcmp(args[0], pld_drivers[i]->name) == 0)
+		{
+			pld_device_t *p, *c;
+			
+			/* register pld specific commands */
+			if (pld_drivers[i]->register_commands(cmd_ctx) != ERROR_OK)
+			{
+				ERROR("couldn't register '%s' commands", args[0]);
+				exit(-1);
+			}
+			
+			c = malloc(sizeof(pld_device_t));
+			c->driver = pld_drivers[i];
+			c->next = NULL;
+			
+			if (pld_drivers[i]->pld_device_command(cmd_ctx, cmd, args, argc, c) != ERROR_OK)
+			{
+				ERROR("'%s' driver rejected pld device", args[0]);
+				free(c);
+				return ERROR_OK;
+			}
+			
+			/* put pld device in linked list */
+			if (pld_devices)
+			{
+				/* find last pld device */
+				for (p = pld_devices; p && p->next; p = p->next);
+				if (p)
+					p->next = c;
+			}
+			else
+			{
+				pld_devices = c;
+			}
+			
+			found = 1;
+		}
+	}
+		
+	/* no matching pld driver found */
+	if (!found)
+	{
+		ERROR("pld driver '%s' not found", args[0]);
+		exit(-1);
+	}
+	
+	return ERROR_OK;
+}
+
+int handle_pld_devices_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+	pld_device_t *p;
+	int i = 0;
+	
+	if (!pld_devices)
+	{
+		command_print(cmd_ctx, "no pld devices configured");
+		return ERROR_OK;
+	}
+	
+	for (p = pld_devices; p; p = p->next)
+	{
+		command_print(cmd_ctx, "#%i: %s", i++, p->driver->name);
+	}
+	
+	return ERROR_OK;
+}
+
+int handle_pld_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+	int retval;
+	struct timeval start, end, duration;
+	pld_device_t *p;
+	
+	gettimeofday(&start, NULL);
+		
+	if (argc < 2)
+	{
+		command_print(cmd_ctx, "usage: pld load <device#> <file>");
+		return ERROR_OK;
+	}
+	
+	p = get_pld_device_by_num(strtoul(args[0], NULL, 0));
+	if (!p)
+	{
+		command_print(cmd_ctx, "pld device '#%s' is out of bounds", args[0]);
+		return ERROR_OK;
+	}
+	
+	if ((retval = p->driver->load(p, args[1])) != ERROR_OK)
+	{
+		command_print(cmd_ctx, "failed loading file %s to pld device %i",
+			args[1], strtoul(args[0], NULL, 0));
+		switch (retval)
+		{
+		}
+	}
+	else
+	{
+		gettimeofday(&end, NULL);	
+		timeval_subtract(&duration, &end, &start);
+		
+		command_print(cmd_ctx, "loaded file %s to pld device %i in %is %ius", 
+			args[1], strtoul(args[0], NULL, 0), duration.tv_sec, duration.tv_usec);
+	}
+	
+	return ERROR_OK;
+}
+
+int pld_register_commands(struct command_context_s *cmd_ctx)
+{
+	pld_cmd = register_command(cmd_ctx, NULL, "pld", NULL, COMMAND_ANY, "programmable logic device commands");
+	
+	register_command(cmd_ctx, pld_cmd, "device", handle_pld_device_command, COMMAND_CONFIG, NULL);
+	
+	return ERROR_OK;
+}