move jtag drivers to src/jtag/drivers

Moves JTAG interface drivers to src/jtag/drivers/,
Adds src/jtag/drivers/Makefile.am.
Builds libocdjtagdrivers.la.

Flattens the rlink driver files into the drivers/ directory, adding
the 'rlink_' prefix or '.rlink' suffix as appropriate.

1 files changed, 0 insertions, 660 deletions

diff --git a/src/jtag/usbprog.c b/src/jtag/usbprog.c
deleted file mode 100644
index 204d0e2e..00000000
--- a/src/jtag/usbprog.c
+++ /dev/null
@@ -1,660 +0,0 @@
-/***************************************************************************
- *   Copyright (C) 2007 by Benedikt Sauter                                 *
- *   sauter@ixbat.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.             *
- ***************************************************************************/
-
-/*
- * This file is based on Dominic Rath's amt_jtagaccel.c.
- *
- * usbprog is a free programming adapter. You can easily install
- * different firmware versions from an "online pool" over USB.
- * The adapter can be used for programming and debugging AVR and ARM
- * processors, as USB to RS232 converter, as JTAG interface or as
- * simple I/O interface (5 lines).
- *
- * http://www.embedded-projects.net/usbprog
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "interface.h"
-#include "commands.h"
-#include "usb_common.h"
-
-
-#define VID 0x1781
-#define PID 0x0c63
-
-/* Pins at usbprog */
-#define TDO_BIT			0
-#define TDI_BIT			3
-#define TCK_BIT			2
-#define TMS_BIT			1
-
-static void usbprog_end_state(tap_state_t state);
-static void usbprog_state_move(void);
-static void usbprog_path_move(struct pathmove_command *cmd);
-static void usbprog_runtest(int num_cycles);
-static void usbprog_scan(bool ir_scan, enum scan_type type, uint8_t *buffer, int scan_size);
-
-#define UNKOWN_COMMAND	0x00
-#define PORT_DIRECTION	0x01
-#define PORT_SET		0x02
-#define PORT_GET		0x03
-#define PORT_SETBIT		0x04
-#define PORT_GETBIT		0x05
-#define WRITE_TDI		0x06
-#define READ_TDO		0x07
-#define WRITE_AND_READ	0x08
-#define WRITE_TMS		0x09
-#define WRITE_TMS_CHAIN	0x0A
-
-struct usbprog_jtag
-{
-	struct usb_dev_handle* usb_handle;
-};
-
-static struct usbprog_jtag * usbprog_jtag_handle;
-
-static struct usbprog_jtag* usbprog_jtag_open(void);
-//static void usbprog_jtag_close(struct usbprog_jtag *usbprog_jtag);
-static void usbprog_jtag_init(struct usbprog_jtag *usbprog_jtag);
-static unsigned char usbprog_jtag_message(struct usbprog_jtag *usbprog_jtag, char *msg, int msglen);
-
-static void usbprog_jtag_read_tdo(struct usbprog_jtag *usbprog_jtag, char * buffer, int size);
-static void usbprog_jtag_write_tdi(struct usbprog_jtag *usbprog_jtag, char * buffer, int size);
-static void usbprog_jtag_write_and_read(struct usbprog_jtag *usbprog_jtag, char * buffer, int size);
-static void usbprog_jtag_write_tms(struct usbprog_jtag *usbprog_jtag, char tms_scan);
-
-static char tms_chain[64];
-static int tms_chain_index;
-
-static void usbprog_jtag_tms_collect(char tms_scan);
-static void usbprog_jtag_tms_send(struct usbprog_jtag *usbprog_jtag);
-
-static void usbprog_write(int tck, int tms, int tdi);
-static void usbprog_reset(int trst, int srst);
-
-static void usbprog_jtag_set_direction(struct usbprog_jtag *usbprog_jtag, unsigned char direction);
-static void usbprog_jtag_write_slice(struct usbprog_jtag *usbprog_jtag,unsigned char value);
-//static unsigned char usbprog_jtag_get_port(struct usbprog_jtag *usbprog_jtag);
-static void usbprog_jtag_set_bit(struct usbprog_jtag *usbprog_jtag,int bit, int value);
-//static int usbprog_jtag_get_bit(struct usbprog_jtag *usbprog_jtag, int bit);
-
-static int usbprog_speed(int speed)
-{
-	return ERROR_OK;
-}
-
-static int usbprog_execute_queue(void)
-{
-	struct jtag_command *cmd = jtag_command_queue; /* currently processed command */
-	int scan_size;
-	enum scan_type type;
-	uint8_t *buffer;
-
-	while (cmd)
-	{
-		switch (cmd->type)
-		{
-			case JTAG_RESET:
-#ifdef _DEBUG_JTAG_IO_
-				LOG_DEBUG("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
-#endif
-				if (cmd->cmd.reset->trst == 1)
-				{
-					tap_set_state(TAP_RESET);
-				}
-				usbprog_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
-				break;
-			case JTAG_RUNTEST:
-#ifdef _DEBUG_JTAG_IO_
-				LOG_DEBUG("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, cmd->cmd.runtest->end_state);
-#endif
-				usbprog_end_state(cmd->cmd.runtest->end_state);
-				usbprog_runtest(cmd->cmd.runtest->num_cycles);
-				break;
-			case JTAG_STATEMOVE:
-#ifdef _DEBUG_JTAG_IO_
-				LOG_DEBUG("statemove end in %i", cmd->cmd.statemove->end_state);
-#endif
-				usbprog_end_state(cmd->cmd.statemove->end_state);
-				usbprog_state_move();
-				break;
-			case JTAG_PATHMOVE:
-#ifdef _DEBUG_JTAG_IO_
-				LOG_DEBUG("pathmove: %i states, end in %i", cmd->cmd.pathmove->num_states,
-					cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]);
-#endif
-				usbprog_path_move(cmd->cmd.pathmove);
-				break;
-			case JTAG_SCAN:
-#ifdef _DEBUG_JTAG_IO_
-				LOG_DEBUG("scan end in %i", cmd->cmd.scan->end_state);
-#endif
-				usbprog_end_state(cmd->cmd.scan->end_state);
-				scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer);
-				type = jtag_scan_type(cmd->cmd.scan);
-				usbprog_scan(cmd->cmd.scan->ir_scan, type, buffer, scan_size);
-				if (jtag_read_buffer(buffer, cmd->cmd.scan) != ERROR_OK)
-					return ERROR_JTAG_QUEUE_FAILED;
-				if (buffer)
-					free(buffer);
-				break;
-			case JTAG_SLEEP:
-#ifdef _DEBUG_JTAG_IO_
-				LOG_DEBUG("sleep %i", cmd->cmd.sleep->us);
-#endif
-				jtag_sleep(cmd->cmd.sleep->us);
-					break;
-			default:
-				LOG_ERROR("BUG: unknown JTAG command type encountered");
-				exit(-1);
-		}
-
-		cmd = cmd->next;
-	}
-
-	return ERROR_OK;
-}
-
-static int usbprog_init(void)
-{
-	usbprog_jtag_handle = usbprog_jtag_open();
-
-	tms_chain_index = 0;
-	if (usbprog_jtag_handle == 0)
-	{
-		LOG_ERROR("Can't find USB JTAG Interface! Please check connection and permissions.");
-		return ERROR_JTAG_INIT_FAILED;
-	}
-
-	LOG_INFO("USB JTAG Interface ready!");
-
-	usbprog_jtag_init(usbprog_jtag_handle);
-	usbprog_reset(0, 0);
-	usbprog_write(0, 0, 0);
-
-	return ERROR_OK;
-}
-
-static int usbprog_quit(void)
-{
-	return ERROR_OK;
-}
-
-/*************** jtag execute commands **********************/
-static void usbprog_end_state(tap_state_t state)
-{
-	if (tap_is_state_stable(state))
-		tap_set_end_state(state);
-	else
-	{
-		LOG_ERROR("BUG: %i is not a valid end state", state);
-		exit(-1);
-	}
-}
-
-static void usbprog_state_move(void)
-{
-	int i = 0, tms = 0;
-	uint8_t tms_scan = tap_get_tms_path(tap_get_state(), tap_get_end_state());
-	int tms_count = tap_get_tms_path_len(tap_get_state(), tap_get_end_state());
-
-	usbprog_jtag_write_tms(usbprog_jtag_handle, (char)tms_scan);
-	for (i = 0; i < tms_count; i++)
-	{
-		tms = (tms_scan >> i) & 1;
-	}
-
-	tap_set_state(tap_get_end_state());
-}
-
-static void usbprog_path_move(struct pathmove_command *cmd)
-{
-	int num_states = cmd->num_states;
-	int state_count;
-
-	/* There may be queued transitions, and before following a specified
-	   path, we must flush those queued transitions */
-	usbprog_jtag_tms_send(usbprog_jtag_handle);
-
-	state_count = 0;
-	while (num_states)
-	{
-		if (tap_state_transition(tap_get_state(), false) == cmd->path[state_count])
-		{
-			/* LOG_INFO("1"); */
-			usbprog_write(0, 0, 0);
-			usbprog_write(1, 0, 0);
-		}
-		else if (tap_state_transition(tap_get_state(), true) == cmd->path[state_count])
-		{
-			/* LOG_INFO("2"); */
-			usbprog_write(0, 1, 0);
-			usbprog_write(1, 1, 0);
-		}
-		else
-		{
-			LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_name(tap_get_state()), tap_state_name(cmd->path[state_count]));
-			exit(-1);
-		}
-
-		tap_set_state(cmd->path[state_count]);
-		state_count++;
-		num_states--;
-	}
-
-	tap_set_end_state(tap_get_state());
-}
-
-static void usbprog_runtest(int num_cycles)
-{
-	int i;
-
-	/* only do a state_move when we're not already in IDLE */
-	if (tap_get_state() != TAP_IDLE)
-	{
-		usbprog_end_state(TAP_IDLE);
-		usbprog_state_move();
-	}
-
-	/* execute num_cycles */
-	if (num_cycles > 0)
-	{
-		usbprog_jtag_tms_send(usbprog_jtag_handle);
-		usbprog_write(0, 0, 0);
-	}
-	else
-	{
-		usbprog_jtag_tms_send(usbprog_jtag_handle);
-		/* LOG_INFO("NUM CYCLES %i",num_cycles); */
-	}
-
-	for (i = 0; i < num_cycles; i++)
-	{
-		usbprog_write(1, 0, 0);
-		usbprog_write(0, 0, 0);
-	}
-
-#ifdef _DEBUG_JTAG_IO_
-	LOG_DEBUG("runtest: cur_state %s end_state %s", tap_state_name(tap_get_state()), tap_state_name(tap_get_end_state()));
-#endif
-
-	/* finish in end_state */
-	/*
-	usbprog_end_state(saved_end_state);
-	if (tap_get_state() != tap_get_end_state())
-		usbprog_state_move();
-	*/
-}
-
-static void usbprog_scan(bool ir_scan, enum scan_type type, uint8_t *buffer, int scan_size)
-{
-	tap_state_t saved_end_state = tap_get_end_state();
-
-	if (ir_scan)
-		usbprog_end_state(TAP_IRSHIFT);
-	else
-		usbprog_end_state(TAP_DRSHIFT);
-
-	/* Only move if we're not already there */
-	if (tap_get_state() != tap_get_end_state())
-		usbprog_state_move();
-
-	usbprog_end_state(saved_end_state);
-
-	usbprog_jtag_tms_send(usbprog_jtag_handle);
-
-	void (*f)(struct usbprog_jtag *usbprog_jtag, char * buffer, int size);
-	switch (type) {
-	case SCAN_OUT: f = &usbprog_jtag_write_tdi; break;
-	case SCAN_IN: f = &usbprog_jtag_read_tdo; break;
-	case SCAN_IO: f = &usbprog_jtag_write_and_read; break;
-	default:
-		LOG_ERROR("unknown scan type: %i", type);
-		exit(-1);
-	}
-	f(usbprog_jtag_handle, (char *)buffer, scan_size);
-
-	/* The adapter does the transition to PAUSE internally */
-	if (ir_scan)
-		tap_set_state(TAP_IRPAUSE);
-	else
-		tap_set_state(TAP_DRPAUSE);
-
-	if (tap_get_state() != tap_get_end_state())
-		usbprog_state_move();
-}
-
-/*************** jtag wrapper functions *********************/
-
-static void usbprog_write(int tck, int tms, int tdi)
-{
-	unsigned char output_value = 0x00;
-
-	if (tms)
-		output_value |= (1 << TMS_BIT);
-	if (tdi)
-		output_value |= (1 << TDI_BIT);
-	if (tck)
-		output_value |= (1 << TCK_BIT);
-
-	usbprog_jtag_write_slice(usbprog_jtag_handle,output_value);
-}
-
-/* (1) assert or (0) deassert reset lines */
-static void usbprog_reset(int trst, int srst)
-{
-	LOG_DEBUG("trst: %i, srst: %i", trst, srst);
-
-	if (trst)
-		usbprog_jtag_set_bit(usbprog_jtag_handle, 5, 0);
-	else
-		usbprog_jtag_set_bit(usbprog_jtag_handle, 5, 1);
-
-	if (srst)
-		usbprog_jtag_set_bit(usbprog_jtag_handle, 4, 0);
-	else
-		usbprog_jtag_set_bit(usbprog_jtag_handle, 4, 1);
-}
-
-/*************** jtag lowlevel functions ********************/
-
-struct usb_bus *busses;
-
-struct usbprog_jtag* usbprog_jtag_open(void)
-{
-	usb_set_debug(10);
-	usb_init();
-
-	const uint16_t vids[] = { VID, 0 };
-	const uint16_t pids[] = { PID, 0 };
-	struct usb_dev_handle *dev;
-	if (jtag_usb_open(vids, pids, &dev) != ERROR_OK)
-		return NULL;
-
-	struct usbprog_jtag *tmp = malloc(sizeof(struct usbprog_jtag));
-	tmp->usb_handle = dev;
-
-	usb_set_configuration(dev, 1);
-	usb_claim_interface(dev, 0);
-	usb_set_altinterface(dev, 0);
-
-	return tmp;
-}
-
-#if 0
-static void usbprog_jtag_close(struct usbprog_jtag *usbprog_jtag)
-{
-	usb_close(usbprog_jtag->usb_handle);
-	free(usbprog_jtag);
-}
-#endif
-
-static unsigned char usbprog_jtag_message(struct usbprog_jtag *usbprog_jtag, char *msg, int msglen)
-{
-	int res = usb_bulk_write(usbprog_jtag->usb_handle, 3, msg,msglen, 100);
-	if ((msg[0] == 2) || (msg[0] == 1) || (msg[0] == 4) || (msg[0] == 0) || \
-			(msg[0] == 6) || (msg[0] == 0x0A) || (msg[0] == 9))
-		return 1;
-	if (res == msglen)
-	{
-		/* LOG_INFO("HALLLLOOO %i",(int)msg[0]); */
-		res =  usb_bulk_read(usbprog_jtag->usb_handle, 0x82, msg, 2, 100);
-		if (res > 0)
-			return (unsigned char)msg[1];
-		else
-			return -1;
-	}
-	else
-		return -1;
-	return 0;
-}
-
-static void usbprog_jtag_init(struct usbprog_jtag *usbprog_jtag)
-{
-	usbprog_jtag_set_direction(usbprog_jtag, 0xFE);
-}
-
-static void usbprog_jtag_write_and_read(struct usbprog_jtag *usbprog_jtag, char * buffer, int size)
-{
-	char tmp[64];	/* fastes packet size for usb controller */
-	int send_bits, bufindex = 0, fillindex = 0, i, loops;
-
-	char swap;
-	/* 61 byte can be transfered (488 bit) */
-
-	while (size > 0)
-	{
-		if (size > 488)
-		{
-			send_bits = 488;
-			size = size - 488;
-			loops = 61;
-		}
-		else
-		{
-			send_bits = size;
-			loops = size / 8;
-			loops++;
-			size = 0;
-		}
-		tmp[0] = WRITE_AND_READ;
-		tmp[1] = (char)(send_bits >> 8);	/* high */
-		tmp[2] = (char)(send_bits);			/* low */
-		i = 0;
-
-		for (i = 0; i < loops; i++)
-		{
-			tmp[3 + i] = buffer[bufindex];
-			bufindex++;
-		}
-
-		if (usb_bulk_write(usbprog_jtag->usb_handle, 3, tmp, 64, 1000) == 64)
-		{
-			/* LOG_INFO("HALLLLOOO2 %i",(int)tmp[0]); */
-			usleep(1);
-			int timeout = 0;
-			while (usb_bulk_read(usbprog_jtag->usb_handle, 0x82, tmp, 64, 1000) < 1)
-			{
-				timeout++;
-				if (timeout > 10)
-					break;
-			}
-
-			for (i = 0; i < loops; i++)
-			{
-				swap =  tmp[3 + i];
-				buffer[fillindex++] = swap;
-			}
-		}
-	}
-}
-
-static void usbprog_jtag_read_tdo(struct usbprog_jtag *usbprog_jtag, char * buffer, int size)
-{
-	char tmp[64];	/* fastes packet size for usb controller */
-	int send_bits, fillindex = 0, i, loops;
-
-	char swap;
-	/* 61 byte can be transfered (488 bit) */
-
-	while (size > 0)
-	{
-		if (size > 488)
-		{
-			send_bits = 488;
-			size = size - 488;
-			loops = 61;
-		}
-		else
-		{
-			send_bits = size;
-			loops = size / 8;
-			loops++;
-			size = 0;
-		}
-		tmp[0] = WRITE_AND_READ;
-		tmp[1] = (char)(send_bits >> 8);	/* high */
-		tmp[2] = (char)(send_bits);			/* low */
-
-		usb_bulk_write(usbprog_jtag->usb_handle, 3, tmp, 3, 1000);
-
-		/* LOG_INFO("HALLLLOOO3 %i",(int)tmp[0]); */
-		int timeout = 0;
-		usleep(1);
-		while (usb_bulk_read(usbprog_jtag->usb_handle, 0x82, tmp, 64, 10) < 1)
-		{
-			timeout++;
-			if (timeout > 10)
-				break;
-		}
-
-		for (i = 0; i < loops; i++)
-		{
-			swap = tmp[3 + i];
-			buffer[fillindex++] = swap;
-		}
-	}
-}
-
-static void usbprog_jtag_write_tdi(struct usbprog_jtag *usbprog_jtag, char * buffer, int size)
-{
-	char tmp[64];	/* fastes packet size for usb controller */
-	int send_bits, bufindex = 0, i, loops;
-
-	/* 61 byte can be transfered (488 bit) */
-	while (size > 0)
-	{
-		if (size > 488)
-		{
-			send_bits = 488;
-			size = size - 488;
-			loops = 61;
-		}
-		else
-		{
-			send_bits = size;
-			loops = size/8;
-			/* if (loops == 0) */
-			loops++;
-			size = 0;
-		}
-		tmp[0] = WRITE_TDI;
-		tmp[1] = (char)(send_bits >> 8);	/* high */
-		tmp[2] = (char)(send_bits);			/* low */
-		i = 0;
-
-		for (i = 0; i < loops; i++)
-		{
-			tmp[3 + i] = buffer[bufindex];
-			bufindex++;
-		}
-		usb_bulk_write(usbprog_jtag->usb_handle, 3, tmp, 64, 1000);
-	}
-}
-
-static void usbprog_jtag_write_tms(struct usbprog_jtag *usbprog_jtag, char tms_scan)
-{
-	usbprog_jtag_tms_collect(tms_scan);
-}
-
-static void usbprog_jtag_set_direction(struct usbprog_jtag *usbprog_jtag, unsigned char direction)
-{
-	char tmp[2];
-	tmp[0] = PORT_DIRECTION;
-	tmp[1] = (char)direction;
-	usbprog_jtag_message(usbprog_jtag, tmp, 2);
-}
-
-static void usbprog_jtag_write_slice(struct usbprog_jtag *usbprog_jtag,unsigned char value)
-{
-	char tmp[2];
-	tmp[0] = PORT_SET;
-	tmp[1] = (char)value;
-	usbprog_jtag_message(usbprog_jtag, tmp, 2);
-}
-
-#if 0
-static unsigned char usbprog_jtag_get_port(struct usbprog_jtag *usbprog_jtag)
-{
-	char tmp[2];
-	tmp[0] = PORT_GET;
-	tmp[1] = 0x00;
-	return usbprog_jtag_message(usbprog_jtag, tmp, 2);
-}
-#endif
-
-static void usbprog_jtag_set_bit(struct usbprog_jtag *usbprog_jtag,int bit, int value)
-{
-	char tmp[3];
-	tmp[0] = PORT_SETBIT;
-	tmp[1] = (char)bit;
-	if (value == 1)
-		tmp[2] = 0x01;
-	else
-		tmp[2] = 0x00;
-	usbprog_jtag_message(usbprog_jtag, tmp, 3);
-}
-
-#if 0
-static int usbprog_jtag_get_bit(struct usbprog_jtag *usbprog_jtag, int bit)
-{
-	char tmp[2];
-	tmp[0] = PORT_GETBIT;
-	tmp[1] = (char)bit;
-
-	if (usbprog_jtag_message(usbprog_jtag, tmp, 2) > 0)
-		return 1;
-	else
-		return 0;
-}
-#endif
-
-static void usbprog_jtag_tms_collect(char tms_scan)
-{
-	tms_chain[tms_chain_index] = tms_scan;
-	tms_chain_index++;
-}
-
-static void usbprog_jtag_tms_send(struct usbprog_jtag *usbprog_jtag)
-{
-	int i;
-	/* LOG_INFO("TMS SEND"); */
-	if (tms_chain_index > 0)
-	{
-		char tmp[tms_chain_index + 2];
-		tmp[0] = WRITE_TMS_CHAIN;
-		tmp[1] = (char)(tms_chain_index);
-		for (i = 0; i < tms_chain_index + 1; i++)
-			tmp[2 + i] = tms_chain[i];
-		usb_bulk_write(usbprog_jtag->usb_handle, 3, tmp, tms_chain_index + 2, 1000);
-		tms_chain_index = 0;
-	}
-}
-
-struct jtag_interface usbprog_interface = {
-		.name = "usbprog",
-		.execute_queue = &usbprog_execute_queue,
-		.speed = &usbprog_speed,
-		.init = &usbprog_init,
-		.quit = &usbprog_quit
-	};