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

Browse Source 
- 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
This commit is contained in:
drath
2006-11-22 13:03:10 +00:00
parent 03e8f264f4
commit e9297b40b9
16 changed files with 1641 additions and 76 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/jtag/Makefile.am
View File

@@ -55,6 +55,12 @@ else
AT91RM9200FILES =
endif
libjtag_a_SOURCES = jtag.c $(BITBANGFILES) $(PARPORTFILES) $(FT2232FILES) $(AMTJTAGACCELFILES) $(EP93XXFILES) $(AT91RM9200FILES)
if GW16012
GW16012FILES = gw16012.c
else
GW16012FILES =
endif
libjtag_a_SOURCES = jtag.c $(BITBANGFILES) $(PARPORTFILES) $(FT2232FILES) $(AMTJTAGACCELFILES) $(EP93XXFILES) $(AT91RM9200FILES) $(GW16012FILES)
noinst_HEADERS = bitbang.h jtag.h

321
src/jtag/ft2232.c
View File

@@ -52,13 +52,13 @@
/* enable this to debug io latency
*/
#if 0
#if 1
#define _DEBUG_USB_IO_
#endif
/* enable this to debug communication
*/
#if 0
#if 1
#define _DEBUG_USB_COMMS_
#endif
@@ -470,7 +470,7 @@ void ft2232_add_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size
int cur_byte = 0;
int last_bit;
if ((!ir_scan && (cur_state != TAP_SD)) || (ir_scan && (cur_state != TAP_SI)))
if (!((!ir_scan && (cur_state == TAP_SD)) || (ir_scan && (cur_state == TAP_SI))))
{
/* command "Clock Data to TMS/CS Pin (no Read)" */
BUFFER_ADD = 0x4b;
@@ -491,8 +491,9 @@ void ft2232_add_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size
}
/* add command for complete bytes */
if (num_bytes > 1)
while (num_bytes > 1)
{
int thisrun_bytes;
if (type == SCAN_IO)
{
/* Clock Data Bytes In and Out LSB First */
@@ -511,24 +512,26 @@ void ft2232_add_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size
BUFFER_ADD = 0x28;
//DEBUG("added TDI bytes (i %i)", num_bytes);
}
BUFFER_ADD = (num_bytes-2) & 0xff;
BUFFER_ADD = ((num_bytes-2) >> 8) & 0xff;
}
if (type != SCAN_IN)
{
/* add complete bytes */
while(num_bytes-- > 1)
thisrun_bytes = (num_bytes > 65537) ? 65536 : (num_bytes - 1);
num_bytes -= thisrun_bytes;
BUFFER_ADD = (thisrun_bytes - 1) & 0xff;
BUFFER_ADD = ((thisrun_bytes - 1) >> 8) & 0xff;
if (type != SCAN_IN)
{
BUFFER_ADD = buffer[cur_byte];
cur_byte++;
bits_left -= 8;
/* add complete bytes */
while(thisrun_bytes-- > 0)
{
BUFFER_ADD = buffer[cur_byte];
cur_byte++;
bits_left -= 8;
}
}
else /* (type == SCAN_IN) */
{
bits_left -= 8 * (thisrun_bytes);
}
}
if (type == SCAN_IN)
{
bits_left -= 8 * (num_bytes - 1);
}
/* the most signifcant bit is scanned during TAP movement */
if (type != SCAN_IN)
last_bit = (buffer[cur_byte] >> (bits_left - 1)) & 0x1;
@@ -561,28 +564,261 @@ void ft2232_add_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size
BUFFER_ADD = buffer[cur_byte];
}
/* move from Shift-IR/DR to end state */
if (type != SCAN_OUT)
if ((ir_scan && (end_state == TAP_SI)) ||
(!ir_scan && (end_state == TAP_SD)))
{
/* Clock Data to TMS/CS Pin with Read */
BUFFER_ADD = 0x6b;
//DEBUG("added TMS scan (read)");
if (type == SCAN_IO)
{
/* Clock Data Bits In and Out LSB First */
BUFFER_ADD = 0x3b;
//DEBUG("added TDI bits (io) %i", bits_left - 1);
}
else if (type == SCAN_OUT)
{
/* Clock Data Bits Out on -ve Clock Edge LSB First (no Read) */
BUFFER_ADD = 0x1b;
//DEBUG("added TDI bits (o)");
}
else if (type == SCAN_IN)
{
/* Clock Data Bits In on +ve Clock Edge LSB First (no Write) */
BUFFER_ADD = 0x2a;
//DEBUG("added TDI bits (i %i)", bits_left - 1);
}
BUFFER_ADD = 0x0;
BUFFER_ADD = last_bit;
}
else
{
/* Clock Data to TMS/CS Pin (no Read) */
BUFFER_ADD = 0x4b;
//DEBUG("added TMS scan (no read)");
/* move from Shift-IR/DR to end state */
if (type != SCAN_OUT)
{
/* Clock Data to TMS/CS Pin with Read */
BUFFER_ADD = 0x6b;
//DEBUG("added TMS scan (read)");
}
else
{
/* Clock Data to TMS/CS Pin (no Read) */
BUFFER_ADD = 0x4b;
//DEBUG("added TMS scan (no read)");
}
BUFFER_ADD = 0x6;
BUFFER_ADD = TAP_MOVE(cur_state, end_state) | (last_bit << 7);
cur_state = end_state;
}
BUFFER_ADD = 0x6;
BUFFER_ADD = TAP_MOVE(cur_state, end_state) | (last_bit << 7);
cur_state = end_state;
}
int ft2232_large_scan(scan_command_t *cmd, enum scan_type type, u8 *buffer, int scan_size)
{
int num_bytes = (scan_size + 7) / 8;
int bits_left = scan_size;
int cur_byte = 0;
int last_bit;
u8 *receive_buffer = malloc(CEIL(scan_size, 8));
u8 *receive_pointer = receive_buffer;
u32 bytes_written;
u32 bytes_read;
int retval;
int thisrun_read = 0;
if (cmd->ir_scan)
{
ERROR("BUG: large IR scans are not supported");
exit(-1);
}
if (cur_state != TAP_SD)
{
/* command "Clock Data to TMS/CS Pin (no Read)" */
BUFFER_ADD = 0x4b;
/* scan 7 bit */
BUFFER_ADD = 0x6;
/* TMS data bits */
BUFFER_ADD = TAP_MOVE(cur_state, TAP_SD);
cur_state = TAP_SD;
}
if ((retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written)) != ERROR_OK)
{
ERROR("couldn't write MPSSE commands to FT2232");
exit(-1);
}
DEBUG("ft2232_buffer_size: %i, bytes_written: %i", ft2232_buffer_size, bytes_written);
ft2232_buffer_size = 0;
/* add command for complete bytes */
while (num_bytes > 1)
{
int thisrun_bytes;
if (type == SCAN_IO)
{
/* Clock Data Bytes In and Out LSB First */
BUFFER_ADD = 0x39;
//DEBUG("added TDI bytes (io %i)", num_bytes);
}
else if (type == SCAN_OUT)
{
/* Clock Data Bytes Out on -ve Clock Edge LSB First (no Read) */
BUFFER_ADD = 0x19;
//DEBUG("added TDI bytes (o)");
}
else if (type == SCAN_IN)
{
/* Clock Data Bytes In on +ve Clock Edge LSB First (no Write) */
BUFFER_ADD = 0x28;
//DEBUG("added TDI bytes (i %i)", num_bytes);
}
thisrun_bytes = (num_bytes > 65537) ? 65536 : (num_bytes - 1);
thisrun_read = thisrun_bytes;
num_bytes -= thisrun_bytes;
BUFFER_ADD = (thisrun_bytes - 1) & 0xff;
BUFFER_ADD = ((thisrun_bytes - 1) >> 8) & 0xff;
if (type != SCAN_IN)
{
/* add complete bytes */
while(thisrun_bytes-- > 0)
{
BUFFER_ADD = buffer[cur_byte];
cur_byte++;
bits_left -= 8;
}
}
else /* (type == SCAN_IN) */
{
bits_left -= 8 * (thisrun_bytes);
}
if ((retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written)) != ERROR_OK)
{
ERROR("couldn't write MPSSE commands to FT2232");
exit(-1);
}
DEBUG("ft2232_buffer_size: %i, bytes_written: %i", ft2232_buffer_size, bytes_written);
ft2232_buffer_size = 0;
if (type != SCAN_OUT)
{
if ((retval = ft2232_read(receive_pointer, thisrun_read, &bytes_read)) != ERROR_OK)
{
ERROR("couldn't read from FT2232");
exit(-1);
}
DEBUG("thisrun_read: %i, bytes_read: %i", thisrun_read, bytes_read);
receive_pointer += bytes_read;
}
}
thisrun_read = 0;
/* the most signifcant bit is scanned during TAP movement */
if (type != SCAN_IN)
last_bit = (buffer[cur_byte] >> (bits_left - 1)) & 0x1;
else
last_bit = 0;
/* process remaining bits but the last one */
if (bits_left > 1)
{
if (type == SCAN_IO)
{
/* Clock Data Bits In and Out LSB First */
BUFFER_ADD = 0x3b;
//DEBUG("added TDI bits (io) %i", bits_left - 1);
}
else if (type == SCAN_OUT)
{
/* Clock Data Bits Out on -ve Clock Edge LSB First (no Read) */
BUFFER_ADD = 0x1b;
//DEBUG("added TDI bits (o)");
}
else if (type == SCAN_IN)
{
/* Clock Data Bits In on +ve Clock Edge LSB First (no Write) */
BUFFER_ADD = 0x2a;
//DEBUG("added TDI bits (i %i)", bits_left - 1);
}
BUFFER_ADD = bits_left - 2;
if (type != SCAN_IN)
BUFFER_ADD = buffer[cur_byte];
if (type != SCAN_OUT)
thisrun_read += 2;
}
if (end_state == TAP_SD)
{
if (type == SCAN_IO)
{
/* Clock Data Bits In and Out LSB First */
BUFFER_ADD = 0x3b;
//DEBUG("added TDI bits (io) %i", bits_left - 1);
}
else if (type == SCAN_OUT)
{
/* Clock Data Bits Out on -ve Clock Edge LSB First (no Read) */
BUFFER_ADD = 0x1b;
//DEBUG("added TDI bits (o)");
}
else if (type == SCAN_IN)
{
/* Clock Data Bits In on +ve Clock Edge LSB First (no Write) */
BUFFER_ADD = 0x2a;
//DEBUG("added TDI bits (i %i)", bits_left - 1);
}
BUFFER_ADD = 0x0;
BUFFER_ADD = last_bit;
}
else
{
/* move from Shift-IR/DR to end state */
if (type != SCAN_OUT)
{
/* Clock Data to TMS/CS Pin with Read */
BUFFER_ADD = 0x6b;
//DEBUG("added TMS scan (read)");
}
else
{
/* Clock Data to TMS/CS Pin (no Read) */
BUFFER_ADD = 0x4b;
//DEBUG("added TMS scan (no read)");
}
BUFFER_ADD = 0x6;
BUFFER_ADD = TAP_MOVE(cur_state, end_state) | (last_bit << 7);
cur_state = end_state;
}
if (type != SCAN_OUT)
thisrun_read += 1;
if ((retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written)) != ERROR_OK)
{
ERROR("couldn't write MPSSE commands to FT2232");
exit(-1);
}
DEBUG("ft2232_buffer_size: %i, bytes_written: %i", ft2232_buffer_size, bytes_written);
ft2232_buffer_size = 0;
if (type != SCAN_OUT)
{
if ((retval = ft2232_read(receive_pointer, thisrun_read, &bytes_read)) != ERROR_OK)
{
ERROR("couldn't read from FT2232");
exit(-1);
}
DEBUG("thisrun_read: %i, bytes_read: %i", thisrun_read, bytes_read);
receive_pointer += bytes_read;
}
return ERROR_OK;
}
int ft2232_predict_scan_out(int scan_size, enum scan_type type)
{
int predicted_size = 3;
int num_bytes = (scan_size - 1) / 8;
if (cur_state != TAP_SD)
predicted_size += 3;
@@ -590,14 +826,14 @@ int ft2232_predict_scan_out(int scan_size, enum scan_type type)
if (type == SCAN_IN) /* only from device to host */
{
/* complete bytes */
predicted_size += (CEIL(scan_size, 8) > 1) ? 3 : 0;
predicted_size += (CEIL(num_bytes, 65536)) * 3;
/* remaining bits - 1 (up to 7) */
predicted_size += ((scan_size - 1) % 8) ? 2 : 0;
}
else /* host to device, or bidirectional */
{
/* complete bytes */
predicted_size += (CEIL(scan_size, 8) > 1) ? (CEIL(scan_size, 8) + 3 - 1) : 0;
predicted_size += num_bytes + (CEIL(num_bytes, 65536)) * 3;
/* remaining bits -1 (up to 7) */
predicted_size += ((scan_size - 1) % 8) ? 3 : 0;
}
@@ -910,9 +1146,26 @@ int ft2232_execute_queue()
scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer);
type = jtag_scan_type(cmd->cmd.scan);
predicted_size = ft2232_predict_scan_out(scan_size, type);
if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
if ((predicted_size + 1) > FT2232_BUFFER_SIZE)
{
DEBUG("ftd2xx buffer size reached, sending queued commands (first_unsent: %x, cmd: %x)", first_unsent, cmd);
DEBUG("oversized ft2232 scan (predicted_size > FT2232_BUFFER_SIZE)");
/* unsent commands before this */
if (first_unsent != cmd)
ft2232_send_and_recv(first_unsent, cmd);
/* current command */
if (cmd->cmd.scan->end_state != -1)
ft2232_end_state(cmd->cmd.scan->end_state);
ft2232_large_scan(cmd->cmd.scan, type, buffer, scan_size);
require_send = 0;
first_unsent = cmd->next;
if (buffer)
free(buffer);
break;
}
else if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
{
DEBUG("ft2232 buffer size reached, sending queued commands (first_unsent: %x, cmd: %x)", first_unsent, cmd);
ft2232_send_and_recv(first_unsent, cmd);
require_send = 0;
first_unsent = cmd;

507
src/jtag/gw16012.c Normal file
View File

@@ -0,0 +1,507 @@
/***************************************************************************
* 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 "replacements.h"
#include "jtag.h"
/* system includes */
/* system includes */
// -ino: 060521-1036
#ifdef __FreeBSD__
#include <sys/types.h>
#include <machine/sysarch.h>
#include <machine/cpufunc.h>
#define ioperm(startport,length,enable)\
i386_set_ioperm((startport), (length), (enable))
#else
#ifndef _WIN32
#include <sys/io.h>
#else
#include "errno.h"
#endif /* _WIN32 */
#endif /* __FreeBSD__ */
#include <string.h>
#include <stdlib.h>
#include <sys/time.h>
#include <time.h>
#if PARPORT_USE_PPDEV == 1
#ifdef __FreeBSD__
#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>
#endif
#if PARPORT_USE_GIVEIO == 1
#if IS_CYGWIN == 1
#include <windows.h>
#include <errno.h>
#undef ERROR
#endif
#endif
#include "log.h"
/* configuration */
unsigned long gw16012_port;
/* interface variables
*/
static u8 gw16012_msb = 0x0;
static u8 gw16012_control_value = 0x0;
#if PARPORT_USE_PPDEV == 1
static int device_handle;
#endif
int gw16012_execute_queue(void);
int gw16012_register_commands(struct command_context_s *cmd_ctx);
int gw16012_speed(int speed);
int gw16012_init(void);
int gw16012_quit(void);
int gw16012_handle_parport_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
jtag_interface_t gw16012_interface =
{
.name = "gw16012",
.execute_queue = gw16012_execute_queue,
.support_pathmove = 0,
.speed = gw16012_speed,
.register_commands = gw16012_register_commands,
.init = gw16012_init,
.quit = gw16012_quit,
};
int gw16012_register_commands(struct command_context_s *cmd_ctx)
{
register_command(cmd_ctx, NULL, "parport_port", gw16012_handle_parport_port_command,
COMMAND_CONFIG, NULL);
return ERROR_OK;
}
void gw16012_data(u8 value)
{
value = (value & 0x7f) | gw16012_msb;
gw16012_msb ^= 0x80; /* toggle MSB */
#if PARPORT_USE_PPDEV == 1
ioctl(device_handle, PPWDATA, &value);
#else
#ifdef __FreeBSD__
outb(gw16012_port, value);
#else
outb(value, gw16012_port);
#endif
#endif
}
void gw16012_control(u8 value)
{
if (value != gw16012_control_value)
{
gw16012_control_value = value;
#if PARPORT_USE_PPDEV == 1
ioctl(device_handle, PPWCONTROL, &gw16012_control_value);
#else
#ifdef __FreeBSD__
outb(gw16012_port + 2, gw16012_control_value);
#else
outb(gw16012_control_value, gw16012_port + 2);
#endif
#endif
}
}
void gw16012_input(u8 *value)
{
#if PARPORT_USE_PPDEV == 1
ioctl(device_handle, PPRSTATUS, value);
#else
*value = inb(gw16012_port + 1);
#endif
}
/* (1) assert or (0) deassert reset lines */
void gw16012_reset(int trst, int srst)
{
DEBUG("trst: %i, srst: %i", trst, srst);
if (trst == 0)
gw16012_control(0x0d);
else if (trst == 1)
gw16012_control(0x0c);
if (srst == 0)
gw16012_control(0x0a);
else if (srst == 1)
gw16012_control(0x0b);
}
int gw16012_speed(int speed)
{
return ERROR_OK;
}
void gw16012_end_state(state)
{
if (tap_move_map[state] != -1)
end_state = state;
else
{
ERROR("BUG: %i is not a valid end state", state);
exit(-1);
}
}
void gw16012_state_move(void)
{
int i=0, tms=0;
u8 tms_scan = TAP_MOVE(cur_state, end_state);
gw16012_control(0x0); /* single-bit mode */
for (i = 0; i < 7; i++)
{
tms = (tms_scan >> i) & 1;
gw16012_data(tms << 1); /* output next TMS bit */
}
cur_state = end_state;
}
void gw16012_runtest(int num_cycles)
{
enum tap_state saved_end_state = end_state;
int i;
/* only do a state_move when we're not already in RTI */
if (cur_state != TAP_RTI)
{
gw16012_end_state(TAP_RTI);
gw16012_state_move();
}
for (i = 0; i < num_cycles; i++)
{
gw16012_control(0x0); /* single-bit mode */
gw16012_data(0x0); /* TMS cycle with TMS low */
}
gw16012_end_state(saved_end_state);
if (cur_state != end_state)
gw16012_state_move();
}
void gw16012_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size)
{
int bits_left = scan_size;
int bit_count = 0;
enum tap_state saved_end_state = end_state;
u8 scan_out, scan_in;
if (ir_scan)
gw16012_end_state(TAP_SI);
else
gw16012_end_state(TAP_SD);
gw16012_state_move();
gw16012_end_state(saved_end_state);
while (type == SCAN_OUT && ((bits_left - 1) > 7))
{
gw16012_control(0x2); /* seven-bit mode */
scan_out = buf_get_u32(buffer, bit_count, 7);
gw16012_data(scan_out);
bit_count += 7;
bits_left -= 7;
}
gw16012_control(0x0); /* single-bit mode */
while (bits_left-- > 0)
{
u8 tms = 0;
if (bits_left == 0) /* last bit */
{
if ((ir_scan && (end_state == TAP_SI))
|| (!ir_scan && (end_state == TAP_SD)))
{
tms = 0;
}
else
{
tms = 2;
}
}
scan_out = buf_get_u32(buffer, bit_count, 1);
gw16012_data(scan_out | tms);
if (type != SCAN_OUT)
{
gw16012_input(&scan_in);
buf_set_u32(buffer, bit_count, 1, ((scan_in & 0x08) >> 3));
}
bit_count++;
}
if (!((ir_scan && (end_state == TAP_SI)) ||
(!ir_scan && (end_state == TAP_SD))))
{
gw16012_data(0x0);
if (ir_scan)
cur_state = TAP_PI;
else
cur_state = TAP_PD;
if (cur_state != end_state)
gw16012_state_move();
}
}
int gw16012_execute_queue(void)
{
jtag_command_t *cmd = jtag_command_queue; /* currently processed command */
int scan_size;
enum scan_type type;
u8 *buffer;
while (cmd)
{
switch (cmd->type)
{
case JTAG_END_STATE:
#ifdef _DEBUG_JTAG_IO_
DEBUG("end_state: %i", cmd->cmd.end_state->end_state);
#endif
if (cmd->cmd.end_state->end_state != -1)
gw16012_end_state(cmd->cmd.end_state->end_state);
break;
case JTAG_RESET:
#ifdef _DEBUG_JTAG_IO_
DEBUG("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
#endif
if (cmd->cmd.reset->trst == 1)
{
cur_state = TAP_TLR;
}
gw16012_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
break;
case JTAG_RUNTEST:
#ifdef _DEBUG_JTAG_IO_
DEBUG("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, cmd->cmd.runtest->end_state);
#endif
if (cmd->cmd.runtest->end_state != -1)
gw16012_end_state(cmd->cmd.runtest->end_state);
gw16012_runtest(cmd->cmd.runtest->num_cycles);
break;
case JTAG_STATEMOVE:
#ifdef _DEBUG_JTAG_IO_
DEBUG("statemove end in %i", cmd->cmd.statemove->end_state);
#endif
if (cmd->cmd.statemove->end_state != -1)
gw16012_end_state(cmd->cmd.statemove->end_state);
gw16012_state_move();
break;
case JTAG_SCAN:
if (cmd->cmd.scan->end_state != -1)
gw16012_end_state(cmd->cmd.scan->end_state);
scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer);
type = jtag_scan_type(cmd->cmd.scan);
#ifdef _DEBUG_JTAG_IO_
DEBUG("%s scan (%i) %i bit end in %i", (cmd->cmd.scan->ir_scan) ? "ir" : "dr",
type, scan_size, cmd->cmd.scan->end_state);
#endif
gw16012_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_
DEBUG("sleep", cmd->cmd.sleep->us);
#endif
jtag_sleep(cmd->cmd.sleep->us);
break;
default:
ERROR("BUG: unknown JTAG command type encountered");
exit(-1);
}
cmd = cmd->next;
}
return ERROR_OK;
}
#if PARPORT_USE_GIVEIO == 1
int gw16012_get_giveio_access()
{
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
int gw16012_init(void)
{
#if PARPORT_USE_PPDEV == 1
char buffer[256];
int i = 0;
u8 control_port;
#endif
u8 status_port;
#if PARPORT_USE_PPDEV == 1
if (device_handle>0)
{
ERROR("device is already opened");
return ERROR_JTAG_INIT_FAILED;
}
#ifdef __FreeBSD__
DEBUG("opening /dev/ppi%d...", gw16012_port);
snprintf(buffer, 256, "/dev/ppi%d", gw16012_port);
device_handle = open(buffer, O_WRONLY);
#else
DEBUG("opening /dev/parport%d...", gw16012_port);
snprintf(buffer, 256, "/dev/parport%d", gw16012_port);
device_handle = open(buffer, O_WRONLY);
#endif
if (device_handle<0)
{
ERROR("cannot open device. check it exists and that user read and write rights are set");
return ERROR_JTAG_INIT_FAILED;
}
DEBUG("...open");
#ifndef __FreeBSD__
i=ioctl(device_handle, PPCLAIM);
if (i<0)
{
ERROR("cannot claim device");
return ERROR_JTAG_INIT_FAILED;
}
i = PARPORT_MODE_COMPAT;
i= ioctl(device_handle, PPSETMODE, & i);
if (i<0)
{
ERROR(" cannot set compatible mode to device");
return ERROR_JTAG_INIT_FAILED;
}
i = IEEE1284_MODE_COMPAT;
i = ioctl(device_handle, PPNEGOT, & i);
if (i<0)
{
ERROR("cannot set compatible 1284 mode to device");
return ERROR_JTAG_INIT_FAILED;
}
#endif
#else
if (gw16012_port == 0)
{
gw16012_port = 0x378;
WARNING("No gw16012 port specified, using default '0x378' (LPT1)");
}
DEBUG("requesting privileges for parallel port 0x%x...", gw16012_port);
#if PARPORT_USE_GIVEIO == 1
if (gw16012_get_giveio_access() != 0)
#else /* PARPORT_USE_GIVEIO */
if (ioperm(gw16012_port, 3, 1) != 0)
#endif /* PARPORT_USE_GIVEIO */
{
ERROR("missing privileges for direct i/o");
return ERROR_JTAG_INIT_FAILED;
}
DEBUG("...privileges granted");
#endif /* PARPORT_USE_PPDEV */
gw16012_input(&status_port);
gw16012_msb = (status_port & 0x80) ^ 0x80;
gw16012_speed(jtag_speed);
gw16012_reset(0, 0);
return ERROR_OK;
}
int gw16012_quit(void)
{
return ERROR_OK;
}
int gw16012_handle_parport_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
if (argc == 0)
return ERROR_OK;
/* only if the port wasn't overwritten by cmdline */
if (gw16012_port == 0)
gw16012_port = strtoul(args[0], NULL, 0);
return ERROR_OK;
}

17
src/jtag/jtag.c
View File

@@ -144,6 +144,10 @@ jtag_event_callback_t *jtag_event_callbacks;
extern jtag_interface_t at91rm9200_interface;
#endif
#if BUILD_GW16012 == 1
extern jtag_interface_t gw16012_interface;
#endif
jtag_interface_t *jtag_interfaces[] = {
#if BUILD_PARPORT == 1
&parport_interface,
@@ -162,6 +166,9 @@ jtag_interface_t *jtag_interfaces[] = {
#endif
#if BUILD_AT91RM9200 == 1
&at91rm9200_interface,
#endif
#if BUILD_GW16012 == 1
&gw16012_interface,
#endif
NULL,
};
@@ -959,7 +966,7 @@ int jtag_build_buffer(scan_command_t *cmd, u8 **buffer)
if (cmd->fields[i].out_value)
{
#ifdef _DEBUG_JTAG_IO_
char* char_buf = buf_to_str(cmd->fields[i].out_value, cmd->fields[i].num_bits, 16);
char* char_buf = buf_to_str(cmd->fields[i].out_value, (cmd->fields[i].num_bits > 64) ? 64 : cmd->fields[i].num_bits, 16);
#endif
buf_set_buf(cmd->fields[i].out_value, 0, *buffer, bit_count, cmd->fields[i].num_bits);
#ifdef _DEBUG_JTAG_IO_
@@ -993,7 +1000,7 @@ int jtag_read_buffer(u8 *buffer, scan_command_t *cmd)
#ifdef _DEBUG_JTAG_IO_
char *char_buf;
char_buf = buf_to_str(captured, num_bits, 16);
char_buf = buf_to_str(captured, (num_bits > 64) ? 64 : num_bits, 16);
DEBUG("fields[%i].in_value: 0x%s", i, char_buf);
free(char_buf);
#endif
@@ -1031,9 +1038,9 @@ int jtag_read_buffer(u8 *buffer, scan_command_t *cmd)
if ((cmd->fields[i].in_check_mask && buf_cmp_mask(captured, cmd->fields[i].in_check_value, cmd->fields[i].in_check_mask, num_bits))
|| (!cmd->fields[i].in_check_mask && buf_cmp(captured, cmd->fields[i].in_check_mask, num_bits)))
{
char *captured_char = buf_to_str(captured, num_bits, 16);
char *in_check_value_char = buf_to_str(cmd->fields[i].in_check_value, num_bits, 16);
char *in_check_mask_char = buf_to_str(cmd->fields[i].in_check_mask, num_bits, 16);
char *captured_char = buf_to_str(captured, (num_bits > 64) ? 64 : num_bits, 16);
char *in_check_value_char = buf_to_str(cmd->fields[i].in_check_value, (num_bits > 64) ? 64 : num_bits, 16);
char *in_check_mask_char = buf_to_str(cmd->fields[i].in_check_mask, (num_bits > 64) ? 64 : num_bits, 16);
/* TODO: error reporting */
WARNING("value captured during scan didn't pass the requested check: captured: 0x%s check_value: 0x%s check_mask: 0x%s", captured_char, in_check_value_char, in_check_mask_char);
retval = ERROR_JTAG_QUEUE_FAILED;