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, 568 deletions

diff --git a/src/jtag/amt_jtagaccel.c b/src/jtag/amt_jtagaccel.c
deleted file mode 100644
index d26482a6..00000000
--- a/src/jtag/amt_jtagaccel.c
+++ /dev/null
@@ -1,568 +0,0 @@
-/***************************************************************************
- *   Copyright (C) 2005 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 "interface.h"
-#include "commands.h"
-
-
-#if PARPORT_USE_PPDEV == 1
-#include <linux/parport.h>
-#include <linux/ppdev.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>
-#endif
-#endif
-
-/* configuration */
-static uint16_t amt_jtagaccel_port;
-
-/* interface variables
- */
-static uint8_t aw_control_rst = 0x00;
-static uint8_t aw_control_fsm = 0x10;
-static uint8_t aw_control_baudrate = 0x20;
-
-static int rtck_enabled = 0;
-
-#if PARPORT_USE_PPDEV == 1
-static int device_handle;
-
-static int addr_mode = IEEE1284_MODE_EPP | IEEE1284_ADDR ;
-#define AMT_AW(val)	do { ioctl(device_handle, PPSETMODE, &addr_mode); write(device_handle, &val, 1); } while (0)
-#define AMT_AR(val)	do { ioctl(device_handle, PPSETMODE, &addr_mode); read(device_handle, &val, 1); } while (0)
-
-static int data_mode = IEEE1284_MODE_EPP | IEEE1284_DATA ;
-#define AMT_DW(val)	do { ioctl(device_handle, PPSETMODE, &data_mode); write(device_handle, &val, 1); } while (0)
-#define AMT_DR(val)	do { ioctl(device_handle, PPSETMODE, &data_mode); read(device_handle, &val, 1); } while (0)
-
-#else
-
-#define AMT_AW(val)	do { outb(val, amt_jtagaccel_port + 3); } while (0)
-#define AMT_AR(val)	do { val = inb(amt_jtagaccel_port + 3); } while (0)
-#define AMT_DW(val)	do { outb(val, amt_jtagaccel_port + 4); } while (0)
-#define AMT_DR(val)	do { val = inb(amt_jtagaccel_port + 4); } while (0)
-
-#endif // PARPORT_USE_PPDEV
-
-/* tap_move[i][j]: tap movement command to go from state i to state j
- * 0: Test-Logic-Reset
- * 1: Run-Test/Idle
- * 2: Shift-DR
- * 3: Pause-DR
- * 4: Shift-IR
- * 5: Pause-IR
- */
-static uint8_t amt_jtagaccel_tap_move[6][6][2] =
-{
-	/*	   RESET         IDLE        DRSHIFT       DRPAUSE       IRSHIFT       IRPAUSE             */
-	{{0x1f, 0x00}, {0x0f, 0x00}, {0x05, 0x00}, {0x0a, 0x00}, {0x06, 0x00}, {0x96, 0x00}},	/* RESET */
-	{{0x1f, 0x00}, {0x00, 0x00}, {0x04, 0x00}, {0x05, 0x00}, {0x06, 0x00}, {0x0b, 0x00}},	/* IDLE */
-	{{0x1f, 0x00}, {0x0d, 0x00}, {0x00, 0x00}, {0x01, 0x00}, {0x8f, 0x09}, {0x8f, 0x01}},	/* DRSHIFT  */
-	{{0x1f, 0x00}, {0x0c, 0x00}, {0x08, 0x00}, {0x00, 0x00}, {0x8f, 0x09}, {0x8f, 0x01}},	/* DRPAUSE  */
-	{{0x1f, 0x00}, {0x0d, 0x00}, {0x07, 0x00}, {0x97, 0x00}, {0x00, 0x00}, {0x01, 0x00}},	/* IRSHIFT  */
-	{{0x1f, 0x00}, {0x0c, 0x00}, {0x07, 0x00}, {0x97, 0x00}, {0x08, 0x00}, {0x00, 0x00}},	/* IRPAUSE  */
-};
-
-
-static void amt_jtagaccel_reset(int trst, int srst)
-{
-	if (trst == 1)
-		aw_control_rst |= 0x4;
-	else if (trst == 0)
-		aw_control_rst &= ~0x4;
-
-	if (srst == 1)
-		aw_control_rst |= 0x1;
-	else if (srst == 0)
-		aw_control_rst &= ~0x1;
-
-	AMT_AW(aw_control_rst);
-}
-
-static int amt_jtagaccel_speed(int speed)
-{
-	aw_control_baudrate &= 0xf0;
-	aw_control_baudrate |= speed & 0x0f;
-	AMT_AW(aw_control_baudrate);
-
-	return ERROR_OK;
-}
-
-static void amt_jtagaccel_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 amt_wait_scan_busy(void)
-{
-	int timeout = 4096;
-	uint8_t ar_status;
-
-	AMT_AR(ar_status);
-	while (((ar_status) & 0x80) && (timeout-- > 0))
-		AMT_AR(ar_status);
-
-	if (ar_status & 0x80)
-	{
-		LOG_ERROR("amt_jtagaccel timed out while waiting for end of scan, rtck was %s, last AR_STATUS: 0x%2.2x", (rtck_enabled) ? "enabled" : "disabled", ar_status);
-		exit(-1);
-	}
-}
-
-static void amt_jtagaccel_state_move(void)
-{
-	uint8_t aw_scan_tms_5;
-	uint8_t tms_scan[2];
-
-	tap_state_t	cur_state = tap_get_state();
-	tap_state_t	end_state = tap_get_end_state();
-
-	tms_scan[0] = amt_jtagaccel_tap_move[tap_move_ndx(cur_state)][tap_move_ndx(end_state)][0];
-	tms_scan[1] = amt_jtagaccel_tap_move[tap_move_ndx(cur_state)][tap_move_ndx(end_state)][1];
-
-	aw_scan_tms_5 = 0x40 | (tms_scan[0] & 0x1f);
-	AMT_AW(aw_scan_tms_5);
-	int jtag_speed = jtag_get_speed();
-	if (jtag_speed > 3 || rtck_enabled)
-		amt_wait_scan_busy();
-
-	if (tms_scan[0] & 0x80)
-	{
-		aw_scan_tms_5 = 0x40 | (tms_scan[1] & 0x1f);
-		AMT_AW(aw_scan_tms_5);
-		if (jtag_speed > 3 || rtck_enabled)
-			amt_wait_scan_busy();
-	}
-
-	tap_set_state(end_state);
-}
-
-static void amt_jtagaccel_runtest(int num_cycles)
-{
-	int i = 0;
-	uint8_t aw_scan_tms_5;
-	uint8_t aw_scan_tms_1to4;
-
-	tap_state_t saved_end_state = tap_get_end_state();
-
-	/* only do a state_move when we're not already in IDLE */
-	if (tap_get_state() != TAP_IDLE)
-	{
-		amt_jtagaccel_end_state(TAP_IDLE);
-		amt_jtagaccel_state_move();
-	}
-
-	while (num_cycles - i >= 5)
-	{
-		aw_scan_tms_5 = 0x40;
-		AMT_AW(aw_scan_tms_5);
-		i += 5;
-	}
-
-	if (num_cycles - i > 0)
-	{
-		aw_scan_tms_1to4 = 0x80 | ((num_cycles - i - 1) & 0x3) << 4;
-		AMT_AW(aw_scan_tms_1to4);
-	}
-
-	amt_jtagaccel_end_state(saved_end_state);
-	if (tap_get_state() != tap_get_end_state())
-		amt_jtagaccel_state_move();
-}
-
-static void amt_jtagaccel_scan(bool ir_scan, enum scan_type type, uint8_t *buffer, int scan_size)
-{
-	int bits_left = scan_size;
-	int bit_count = 0;
-	tap_state_t saved_end_state = tap_get_end_state();
-	uint8_t aw_tdi_option;
-	uint8_t dw_tdi_scan;
-	uint8_t dr_tdo;
-	uint8_t aw_tms_scan;
-	uint8_t tms_scan[2];
-	int jtag_speed = jtag_get_speed();
-
-	if (ir_scan)
-		amt_jtagaccel_end_state(TAP_IRSHIFT);
-	else
-		amt_jtagaccel_end_state(TAP_DRSHIFT);
-
-	amt_jtagaccel_state_move();
-	amt_jtagaccel_end_state(saved_end_state);
-
-	/* handle unaligned bits at the beginning */
-	if ((scan_size - 1) % 8)
-	{
-		aw_tdi_option = 0x30 | (((scan_size - 1) % 8) - 1);
-		AMT_AW(aw_tdi_option);
-
-		dw_tdi_scan = buf_get_u32(buffer, bit_count, (scan_size - 1) % 8) & 0xff;
-		AMT_DW(dw_tdi_scan);
-		if (jtag_speed > 3 || rtck_enabled)
-			amt_wait_scan_busy();
-
-		if ((type == SCAN_IN) || (type == SCAN_IO))
-		{
-			AMT_DR(dr_tdo);
-			dr_tdo = dr_tdo >> (8 - ((scan_size - 1) % 8));
-			buf_set_u32(buffer, bit_count, (scan_size - 1) % 8, dr_tdo);
-		}
-
-		bit_count += (scan_size - 1) % 8;
-		bits_left -= (scan_size - 1) % 8;
-	}
-
-	while (bits_left - 1 >= 8)
-	{
-		dw_tdi_scan = buf_get_u32(buffer, bit_count, 8) & 0xff;
-		AMT_DW(dw_tdi_scan);
-		if (jtag_speed > 3 || rtck_enabled)
-			amt_wait_scan_busy();
-
-		if ((type == SCAN_IN) || (type == SCAN_IO))
-		{
-			AMT_DR(dr_tdo);
-			buf_set_u32(buffer, bit_count, 8, dr_tdo);
-		}
-
-		bit_count += 8;
-		bits_left -= 8;
-	}
-
-	tms_scan[0] = amt_jtagaccel_tap_move[tap_move_ndx(tap_get_state())][tap_move_ndx(tap_get_end_state())][0];
-	tms_scan[1] = amt_jtagaccel_tap_move[tap_move_ndx(tap_get_state())][tap_move_ndx(tap_get_end_state())][1];
-	aw_tms_scan = 0x40 | (tms_scan[0] & 0x1f) | (buf_get_u32(buffer, bit_count, 1) << 5);
-	AMT_AW(aw_tms_scan);
-	if (jtag_speed > 3 || rtck_enabled)
-		amt_wait_scan_busy();
-
-	if ((type == SCAN_IN) || (type == SCAN_IO))
-	{
-		AMT_DR(dr_tdo);
-		dr_tdo = dr_tdo >> 7;
-		buf_set_u32(buffer, bit_count, 1, dr_tdo);
-	}
-
-	if (tms_scan[0] & 0x80)
-	{
-		aw_tms_scan = 0x40 | (tms_scan[1] & 0x1f);
-		AMT_AW(aw_tms_scan);
-		if (jtag_speed > 3 || rtck_enabled)
-			amt_wait_scan_busy();
-	}
-	tap_set_state(tap_get_end_state());
-}
-
-static int amt_jtagaccel_execute_queue(void)
-{
-	struct jtag_command *cmd = jtag_command_queue; /* currently processed command */
-	int scan_size;
-	enum scan_type type;
-	uint8_t *buffer;
-	int retval;
-
-	/* return ERROR_OK, unless a jtag_read_buffer returns a failed check
-	 * that wasn't handled by a caller-provided error handler
-	 */
-	retval = ERROR_OK;
-
-	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);
-				}
-				amt_jtagaccel_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
-				amt_jtagaccel_end_state(cmd->cmd.runtest->end_state);
-				amt_jtagaccel_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
-				amt_jtagaccel_end_state(cmd->cmd.statemove->end_state);
-				amt_jtagaccel_state_move();
-				break;
-			case JTAG_SCAN:
-#ifdef _DEBUG_JTAG_IO_
-				LOG_DEBUG("scan end in %i", cmd->cmd.scan->end_state);
-#endif
-				amt_jtagaccel_end_state(cmd->cmd.scan->end_state);
-				scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer);
-				type = jtag_scan_type(cmd->cmd.scan);
-				amt_jtagaccel_scan(cmd->cmd.scan->ir_scan, type, buffer, scan_size);
-				if (jtag_read_buffer(buffer, cmd->cmd.scan) != ERROR_OK)
-					retval = ERROR_JTAG_QUEUE_FAILED;
-				if (buffer)
-					free(buffer);
-				break;
-			case JTAG_SLEEP:
-#ifdef _DEBUG_JTAG_IO_
-				LOG_DEBUG("sleep %" PRIi32, 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 retval;
-}
-
-#if PARPORT_USE_GIVEIO == 1
-int amt_jtagaccel_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;
-}
-#endif
-
-static int amt_jtagaccel_init(void)
-{
-#if PARPORT_USE_PPDEV == 1
-	char buffer[256];
-	int i = 0;
-	uint8_t control_port;
-#else
-	uint8_t status_port;
-#endif
-	uint8_t ar_status;
-
-#if PARPORT_USE_PPDEV == 1
-	if (device_handle > 0)
-	{
-		LOG_ERROR("device is already opened");
-		return ERROR_JTAG_INIT_FAILED;
-	}
-
-	snprintf(buffer, 256, "/dev/parport%d", amt_jtagaccel_port);
-	device_handle = open(buffer, O_RDWR);
-
-	if (device_handle < 0)
-	{
-		LOG_ERROR("cannot open device. check it exists and that user read and write rights are set");
-		return ERROR_JTAG_INIT_FAILED;
-	}
-
-	i = ioctl(device_handle, PPCLAIM);
-	if (i < 0)
-	{
-		LOG_ERROR("cannot claim device");
-		return ERROR_JTAG_INIT_FAILED;
-	}
-
-	i = IEEE1284_MODE_EPP;
-	i = ioctl(device_handle, PPSETMODE, & i);
-	if (i < 0)
-	{
-		LOG_ERROR(" cannot set compatible mode to device");
-		return ERROR_JTAG_INIT_FAILED;
-	}
-
-	control_port = 0x00;
-	i = ioctl(device_handle, PPWCONTROL, &control_port);
-
-	control_port = 0x04;
-	i = ioctl(device_handle, PPWCONTROL, &control_port);
-
-#else
-	if (amt_jtagaccel_port == 0)
-	{
-		amt_jtagaccel_port = 0x378;
-		LOG_WARNING("No parport port specified, using default '0x378' (LPT1)");
-	}
-
-#if PARPORT_USE_GIVEIO == 1
-	if (amt_jtagaccel_get_giveio_access() != 0) {
-#else /* PARPORT_USE_GIVEIO */
-	if (ioperm(amt_jtagaccel_port, 5, 1) != 0) {
-#endif /* PARPORT_USE_GIVEIO */
-		LOG_ERROR("missing privileges for direct i/o");
-		return ERROR_JTAG_INIT_FAILED;
-	}
-
-	/* prepare epp port */
-	/* clear timeout */
-	status_port = inb(amt_jtagaccel_port + 1);
-	outb(status_port | 0x1, amt_jtagaccel_port + 1);
-
-	/* reset epp port */
-	outb(0x00, amt_jtagaccel_port + 2);
-	outb(0x04, amt_jtagaccel_port + 2);
-#endif
-
-	if (rtck_enabled)
-	{
-		/* set RTCK enable bit */
-		aw_control_fsm |= 0x02;
-	}
-
-	/* enable JTAG port */
-	aw_control_fsm |= 0x04;
-	AMT_AW(aw_control_fsm);
-
-	amt_jtagaccel_speed(jtag_get_speed());
-
-	enum reset_types jtag_reset_config = jtag_get_reset_config();
-	if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
-		aw_control_rst &= ~0x8;
-	else
-		aw_control_rst |= 0x8;
-
-	if (jtag_reset_config & RESET_SRST_PUSH_PULL)
-		aw_control_rst &= ~0x2;
-	else
-		aw_control_rst |= 0x2;
-
-	amt_jtagaccel_reset(0, 0);
-
-	/* read status register */
-	AMT_AR(ar_status);
-	LOG_DEBUG("AR_STATUS: 0x%2.2x", ar_status);
-
-	return ERROR_OK;
-}
-
-static int amt_jtagaccel_quit(void)
-{
-
-	return ERROR_OK;
-}
-
-COMMAND_HANDLER(amt_jtagaccel_handle_parport_port_command)
-{
-	if (CMD_ARGC == 1)
-	{
-		/* only if the port wasn't overwritten by cmdline */
-		if (amt_jtagaccel_port == 0)
-		{
-			uint16_t port;
-			COMMAND_PARSE_NUMBER(u16, CMD_ARGV[0], port);
-			amt_jtagaccel_port = port;
-		}
-		else
-		{
-			LOG_ERROR("The parport port was already configured!");
-			return ERROR_FAIL;
-		}
-	}
-
-	command_print(CMD_CTX, "parport port = %u", amt_jtagaccel_port);
-
-	return ERROR_OK;
-}
-
-COMMAND_HANDLER(amt_jtagaccel_handle_rtck_command)
-{
-	if (CMD_ARGC == 0)
-	{
-		command_print(CMD_CTX, "amt_jtagaccel RTCK feature %s", (rtck_enabled) ? "enabled" : "disabled");
-		return ERROR_OK;
-	}
-	else
-	{
-		if (strcmp(CMD_ARGV[0], "enabled") == 0)
-		{
-			rtck_enabled = 1;
-		}
-		else
-		{
-			rtck_enabled = 0;
-		}
-	}
-
-	return ERROR_OK;
-}
-
-static const struct command_registration amtjtagaccel_command_handlers[] = {
-	{
-		.name = "parport_port",
-		.handler = &amt_jtagaccel_handle_parport_port_command,
-		.mode = COMMAND_CONFIG,
-		.help = "configure the parallel port to use",
-		.usage = "<port_num>",
-	},
-	{
-		.name = "parport_port",
-		.handler = &amt_jtagaccel_handle_rtck_command,
-		.mode = COMMAND_CONFIG,
-		.help = "enable RTCK",
-		.usage = "<enable|disable>",
-	},
-	COMMAND_REGISTRATION_DONE
-};
-
-struct jtag_interface amt_jtagaccel_interface = {
-		.name = "amt_jtagaccel",
-		.commands = amtjtagaccel_command_handlers,
-		.init = &amt_jtagaccel_init,
-		.quit = &amt_jtagaccel_quit,
-		.speed = &amt_jtagaccel_speed,
-		.execute_queue = &amt_jtagaccel_execute_queue,
-	};