/***************************************************************************
+* Copyright (C) 2009 by Øyvind Harboe *
+* Øyvind Harboe <oyvind.harboe@zylin.com> *
+* *
+* Copyright (C) 2009 by SoftPLC Corporation. http://softplc.com *
+* Dick Hollenbeck <dick@softplc.com> *
+* *
* Copyright (C) 2004, 2006 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
* Copyright (C) 2008 by Spencer Oliver *
* spen@spen-soft.co.uk *
* *
-* Copyright (C) 2009 by SoftPLC Corporation. http://softplc.com *
-* Dick Hollenbeck <dick@softplc.com> *
-* *
* 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 *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
-
/* This code uses information contained in the MPSSE specification which was
* found here:
* http://www.ftdichip.com/Documents/AppNotes/AN2232C-01_MPSSE_Cmnd.pdf
* http://www.ftdichip.com/Documents/DataSheets/DS_FT2232D.pdf
*/
-
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <assert.h>
-#if (BUILD_FT2232_FTD2XX==1 && BUILD_FT2232_LIBFTDI==1)
+#if (BUILD_FT2232_FTD2XX == 1 && BUILD_FT2232_LIBFTDI == 1)
#error "BUILD_FT2232_FTD2XX && BUILD_FT2232_LIBFTDI are mutually exclusive"
#elif (BUILD_FT2232_FTD2XX != 1 && BUILD_FT2232_LIBFTDI != 1)
#error "BUILD_FT2232_FTD2XX || BUILD_FT2232_LIBFTDI must be chosen"
/* max TCK for the high speed devices 30000 kHz */
#define FTDI_2232H_4232H_MAX_TCK 30000
+/* max TCK for the full speed devices 6000 kHz */
+#define FTDI_2232C_MAX_TCK 6000
+/* this speed value tells that RTCK is requested */
+#define RTCK_SPEED -1
+
+#ifndef BUILD_FT2232_HIGHSPEED
+ #if BUILD_FT2232_FTD2XX == 1
+ enum { FT_DEVICE_2232H = 6, FT_DEVICE_4232H };
+ #elif BUILD_FT2232_LIBFTDI == 1
+ enum { TYPE_2232H = 4, TYPE_4232H = 5 };
+ #endif
+#endif
static int ft2232_execute_queue(void);
-
static int ft2232_speed(int speed);
static int ft2232_speed_div(int speed, int* khz);
static int ft2232_khz(int khz, int* jtag_speed);
static int ft2232_handle_vid_pid_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc);
static int ft2232_handle_latency_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc);
-
/**
* Send out \a num_cycles on the TCK line while the TAP(s) are in a
* stable state. Calling code must ensure that current state is stable,
*/
static int ft2232_stableclocks(int num_cycles, jtag_command_t* cmd);
-/* max TCK for the high speed devices 30000 kHz */
-#define FTDI_2232H_4232H_MAX_TCK 30000
-
static char * ft2232_device_desc_A = NULL;
static char* ft2232_device_desc = NULL;
static char* ft2232_serial = NULL;
static char* ft2232_layout = NULL;
static uint8_t ft2232_latency = 2;
-static unsigned ft2232_max_tck = 6000;
-
+static unsigned ft2232_max_tck = FTDI_2232C_MAX_TCK;
#define MAX_USB_IDS 8
/* vid = pid = 0 marks the end of the list */
{ "oocdlink", jtagkey_init, jtagkey_reset, NULL },
{ "signalyzer", usbjtag_init, usbjtag_reset, NULL },
{ "evb_lm3s811", usbjtag_init, usbjtag_reset, NULL },
+ { "luminary_icdi", usbjtag_init, usbjtag_reset, NULL },
{ "olimex-jtag", olimex_jtag_init, olimex_jtag_reset, olimex_jtag_blink },
{ "flyswatter", flyswatter_init, flyswatter_reset, flyswatter_jtag_blink },
{ "turtelizer2", turtle_init, turtle_reset, turtle_jtag_blink },
static FT_DEVICE ftdi_device = 0;
#elif BUILD_FT2232_LIBFTDI == 1
static struct ftdi_context ftdic;
+static enum ftdi_chip_type ftdi_device;
#endif
-
static jtag_command_t* first_unsent; /* next command that has to be sent */
static int require_send;
-
-/* http://urjtag.wiki.sourceforge.net/Cable+FT2232 says:
+/* http://urjtag.wiki.sourceforge.net/Cable + FT2232 says:
"There is a significant difference between libftdi and libftd2xx. The latter
one allows to schedule up to 64*64 bytes of result data while libftdi fails
return ft2232_buffer[ft2232_read_pointer++];
}
-
/**
* Clocks out \a bit_count bits on the TMS line, starting with the least
* significant bit of tms_bits and progressing to more significant bits.
assert(tms_count > 0);
-// LOG_DEBUG("mpsse cmd=%02x, tms_bits=0x%08x, bit_count=%d", mpsse_cmd, tms_bits, tms_count);
+ DEBUG_JTAG_IO("mpsse cmd=%02x, tms_bits = 0x%08x, bit_count=%d",
+ mpsse_cmd, tms_bits, tms_count);
for (tms_byte = tms_ndx = i = 0; i < tms_count; ++i, tms_bits>>=1)
{
*/
++tms_ndx;
- if (tms_ndx==7 || i==tms_count-1)
+ if (tms_ndx == 7 || i == tms_count-1)
{
buffer_write(mpsse_cmd);
buffer_write(tms_ndx - 1);
}
}
-
/**
* Function get_tms_buffer_requirements
* returns what clock_tms() will consume if called with
return ((bit_count + 6)/7) * 3;
}
-
/**
* Function move_to_state
* moves the TAP controller from the current state to a
clock_tms(0x4b, tms_bits, tms_count, 0);
}
-
jtag_interface_t ft2232_interface =
{
.name = "ft2232",
{
#if BUILD_FT2232_FTD2XX == 1
FT_STATUS status;
- DWORD dw_bytes_written;
+ DWORD dw_bytes_written;
if ((status = FT_Write(ftdih, buf, size, &dw_bytes_written)) != FT_OK)
{
*bytes_written = dw_bytes_written;
#endif
}
-
static int ft2232_read(uint8_t* buf, uint32_t size, uint32_t* bytes_read)
{
#if BUILD_FT2232_FTD2XX == 1
- DWORD dw_bytes_read;
+ DWORD dw_bytes_read;
FT_STATUS status;
- int timeout = 5;
+ int timeout = 5;
*bytes_read = 0;
while ((*bytes_read < size) && timeout--)
if (*bytes_read < size)
{
- LOG_ERROR("couldn't read the requested number of bytes from FT2232 device (%i < %i)",
- (unsigned int)(*bytes_read),
+ LOG_ERROR("couldn't read the requested number of bytes from FT2232 device (%i < %i)",
+ (unsigned int)(*bytes_read),
(unsigned int)size);
return ERROR_JTAG_DEVICE_ERROR;
}
return ERROR_OK;
}
-#ifdef BUILD_FTD2XX_HIGHSPEED
static bool ft2232_device_is_highspeed(void)
{
+#if BUILD_FT2232_FTD2XX == 1
return (ftdi_device == FT_DEVICE_2232H) || (ftdi_device == FT_DEVICE_4232H);
+#elif BUILD_FT2232_LIBFTDI == 1
+ return (ftdi_device == TYPE_2232H || ftdi_device == TYPE_4232H);
+#endif
}
-static int ft2232_adaptive_clocking(int speed)
-{
- bool use_adaptive_clocking = FALSE;
- if (0 == speed)
- {
- if (ft2232_device_is_highspeed())
- use_adaptive_clocking = TRUE;
- else
- {
- LOG_ERROR("ft2232 device %lu does not support RTCK", ftdi_device);
- return ERROR_OK;
- }
- }
+/*
+ * Commands that only apply to the FT2232H and FT4232H devices.
+ * See chapter 6 in http://www.ftdichip.com/Documents/AppNotes/
+ * AN_108_Command_Processor_for_MPSSE_and_MCU_Host_Bus_Emulation_Modes.pdf
+ */
- uint8_t buf = use_adaptive_clocking ? 0x96 : 0x97;
+static int ft2232h_ft4232h_adaptive_clocking(bool enable)
+{
+ uint8_t buf = enable ? 0x96 : 0x97;
LOG_DEBUG("%2.2x", buf);
uint32_t bytes_written;
int retval = ft2232_write(&buf, 1, &bytes_written);
- if (ERROR_OK != retval || bytes_written != 1)
+ if ((ERROR_OK != retval) || (bytes_written != 1))
{
- LOG_ERROR("unable to set adative clocking: %d", retval);
+ LOG_ERROR("couldn't write command to %s adaptive clocking"
+ , enable ? "enable" : "disable");
return retval;
}
return ERROR_OK;
}
-#else
-static int ft2232_adaptive_clocking(int speed)
+
+/**
+ * Enable/disable the clk divide by 5 of the 60MHz master clock.
+ * This result in a JTAG clock speed range of 91.553Hz-6MHz
+ * respective 457.763Hz-30MHz.
+ */
+static int ft2232h_ft4232h_clk_divide_by_5(bool enable)
{
- // not implemented on low-speed devices
- return speed ? ERROR_OK : -1234;
+ uint32_t bytes_written;
+ uint8_t buf = enable ? 0x8b : 0x8a;
+ int retval = ft2232_write(&buf, 1, &bytes_written);
+ if ((ERROR_OK != retval) || (bytes_written != 1))
+ {
+ LOG_ERROR("couldn't write command to %s clk divide by 5"
+ , enable ? "enable" : "disable");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+ ft2232_max_tck = enable ? FTDI_2232C_MAX_TCK : FTDI_2232H_4232H_MAX_TCK;
+ LOG_INFO("max TCK change to: %u kHz", ft2232_max_tck);
+
+ return ERROR_OK;
}
-#endif
static int ft2232_speed(int speed)
{
- uint8_t buf[3];
+ uint8_t buf[3];
int retval;
uint32_t bytes_written;
- ft2232_adaptive_clocking(speed);
+ retval = ERROR_OK;
+ bool enable_adaptive_clocking = (RTCK_SPEED == speed);
+ if (ft2232_device_is_highspeed())
+ retval = ft2232h_ft4232h_adaptive_clocking(enable_adaptive_clocking);
+ else if (enable_adaptive_clocking)
+ {
+ LOG_ERROR("ft2232 device %lu does not support RTCK"
+ , (long unsigned int)ftdi_device);
+ return ERROR_FAIL;
+ }
+
+ if ((enable_adaptive_clocking) || (ERROR_OK != retval))
+ return retval;
- buf[0] = 0x86; /* command "set divisor" */
- buf[1] = speed & 0xff; /* valueL (0=6MHz, 1=3MHz, 2=2.0MHz, ...*/
- buf[2] = (speed >> 8) & 0xff; /* valueH */
+ buf[0] = 0x86; /* command "set divisor" */
+ buf[1] = speed & 0xff; /* valueL (0 = 6MHz, 1 = 3MHz, 2 = 2.0MHz, ...*/
+ buf[2] = (speed >> 8) & 0xff; /* valueH */
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
if (((retval = ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
return ERROR_OK;
}
-
static int ft2232_speed_div(int speed, int* khz)
{
/* Take a look in the FT2232 manual,
* AN2232C-01 Command Processor for
* MPSSE and MCU Host Bus. Chapter 3.8 */
- *khz = ft2232_max_tck / (1 + speed);
+ *khz = (RTCK_SPEED == speed) ? 0 : ft2232_max_tck / (1 + speed);
return ERROR_OK;
}
-
static int ft2232_khz(int khz, int* jtag_speed)
{
- if (khz==0)
+ if (khz == 0)
{
-#ifdef BUILD_FTD2XX_HIGHSPEED
- *jtag_speed = 0;
- return ERROR_OK;
-#else
- LOG_DEBUG("RCLK not supported");
- LOG_DEBUG("If you have a high-speed FTDI device, then "
- "OpenOCD may be built with --enable-ftd2xx-highspeed.");
- return ERROR_FAIL;
-#endif
+ if (ft2232_device_is_highspeed())
+ {
+ *jtag_speed = RTCK_SPEED;
+ return ERROR_OK;
+ }
+ else
+ {
+ LOG_DEBUG("RCLK not supported");
+ return ERROR_FAIL;
+ }
}
/* Take a look in the FT2232 manual,
return ERROR_OK;
}
-
static int ft2232_register_commands(struct command_context_s* cmd_ctx)
{
register_command(cmd_ctx, NULL, "ft2232_device_desc", ft2232_handle_device_desc_command,
return ERROR_OK;
}
-
static void ft2232_end_state(tap_state_t state)
{
if (tap_is_state_stable(state))
buffer[cur_byte] = (buffer[cur_byte] | (((buffer_read()) << 1) & 0x80)) >> (8 - bits_left);
}
-
static void ft2232_debug_dump_buffer(void)
{
- int i;
- char line[256];
+ int i;
+ char line[256];
char* line_p = line;
for (i = 0; i < ft2232_buffer_size; i++)
LOG_DEBUG("%s", line);
}
-
static int ft2232_send_and_recv(jtag_command_t* first, jtag_command_t* last)
{
jtag_command_t* cmd;
- uint8_t* buffer;
- int scan_size;
+ uint8_t* buffer;
+ int scan_size;
enum scan_type type;
- int retval;
- uint32_t bytes_written=0;
- uint32_t bytes_read=0;
+ int retval;
+ uint32_t bytes_written = 0;
+ uint32_t bytes_read = 0;
#ifdef _DEBUG_USB_IO_
struct timeval start, inter, inter2, end;
return retval;
}
-
/**
* Function ft2232_add_pathmove
* moves the TAP controller from the current state to a new state through the
*/
static void ft2232_add_pathmove(tap_state_t* path, int num_states)
{
- int tms_bits = 0;
- int state_ndx;
- tap_state_t walker = tap_get_state();
+ int state_count = 0;
assert((unsigned) num_states <= 32u); /* tms_bits only holds 32 bits */
+ DEBUG_JTAG_IO("-");
+
/* this loop verifies that the path is legal and logs each state in the path */
- for (state_ndx = 0; state_ndx < num_states; ++state_ndx)
+ while (num_states)
{
- tap_state_t desired_next_state = path[state_ndx];
+ unsigned char tms_byte = 0; /* zero this on each MPSSE batch */
+ int bit_count = 0;
+ int num_states_batch = num_states > 7 ? 7 : num_states;
- if (tap_state_transition(walker, false) == desired_next_state)
- ; /* bit within tms_bits at index state_ndx is already zero */
- else if (tap_state_transition(walker, true) == desired_next_state)
- tms_bits |= (1 << state_ndx);
- else
- {
- LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition",
- tap_state_name(walker), tap_state_name(desired_next_state));
- exit(-1);
- }
+ /* command "Clock Data to TMS/CS Pin (no Read)" */
+ buffer_write(0x4b);
- walker = desired_next_state;
- }
+ /* number of states remaining */
+ buffer_write(num_states_batch - 1);
+
+ while (num_states_batch--) {
+ /* either TMS=0 or TMS=1 must work ... */
+ if (tap_state_transition(tap_get_state(), false)
+ == path[state_count])
+ buf_set_u32(&tms_byte, bit_count++, 1, 0x0);
+ else if (tap_state_transition(tap_get_state(), true)
+ == path[state_count])
+ buf_set_u32(&tms_byte, bit_count++, 1, 0x1);
+
+ /* ... or else the caller goofed BADLY */
+ else {
+ LOG_ERROR("BUG: %s -> %s isn't a valid "
+ "TAP state transition",
+ tap_state_name(tap_get_state()),
+ tap_state_name(path[state_count]));
+ exit(-1);
+ }
- clock_tms(0x4b, tms_bits, num_states, 0);
+ tap_set_state(path[state_count]);
+ state_count++;
+ num_states--;
+ }
+ buffer_write(tms_byte);
+ }
tap_set_end_state(tap_get_state());
}
-
static void ft2232_add_scan(bool ir_scan, enum scan_type type, uint8_t* buffer, int scan_size)
{
int num_bytes = (scan_size + 7) / 8;
buffer_write(buffer[cur_byte]);
}
- if (( ir_scan && (tap_get_end_state() == TAP_IRSHIFT))
+ if ((ir_scan && (tap_get_end_state() == TAP_IRSHIFT))
|| (!ir_scan && (tap_get_end_state() == TAP_DRSHIFT)))
{
if (type == SCAN_IO)
tms_count = 2;
/* Clock Data to TMS/CS Pin with Read */
mpsse_cmd = 0x6b;
- /* LOG_DEBUG("added TMS scan (read)"); */
}
else
{
tms_count = tap_get_tms_path_len(tap_get_state(), tap_get_end_state());
/* Clock Data to TMS/CS Pin (no Read) */
mpsse_cmd = 0x4b;
- /* LOG_DEBUG("added TMS scan (no read)"); */
}
+ DEBUG_JTAG_IO("finish %s", (type == SCAN_OUT) ? "without read" : "via PAUSE");
clock_tms(mpsse_cmd, tms_bits, tms_count, last_bit);
}
}
}
-
static int ft2232_large_scan(scan_command_t* cmd, enum scan_type type, uint8_t* buffer, int scan_size)
{
int num_bytes = (scan_size + 7) / 8;
LOG_ERROR("couldn't write MPSSE commands to FT2232");
exit(-1);
}
- LOG_DEBUG("ft2232_buffer_size: %i, bytes_written: %i",
+ LOG_DEBUG("ft2232_buffer_size: %i, bytes_written: %i",
ft2232_buffer_size, (int)bytes_written);
ft2232_buffer_size = 0;
LOG_ERROR("couldn't write MPSSE commands to FT2232");
exit(-1);
}
- LOG_DEBUG("ft2232_buffer_size: %i, bytes_written: %i",
- ft2232_buffer_size,
+ LOG_DEBUG("ft2232_buffer_size: %i, bytes_written: %i",
+ ft2232_buffer_size,
(int)bytes_written);
ft2232_buffer_size = 0;
LOG_ERROR("couldn't read from FT2232");
exit(-1);
}
- LOG_DEBUG("thisrun_read: %i, bytes_read: %i",
- thisrun_read,
+ LOG_DEBUG("thisrun_read: %i, bytes_read: %i",
+ thisrun_read,
(int)bytes_read);
receive_pointer += bytes_read;
}
/* LOG_DEBUG("added TMS scan (no read)"); */
}
+ DEBUG_JTAG_IO("finish, %s", (type == SCAN_OUT) ? "no read" : "read");
clock_tms(mpsse_cmd, tms_bits, tms_count, last_bit);
}
LOG_ERROR("couldn't write MPSSE commands to FT2232");
exit(-1);
}
- LOG_DEBUG("ft2232_buffer_size: %i, bytes_written: %i",
- ft2232_buffer_size,
+ LOG_DEBUG("ft2232_buffer_size: %i, bytes_written: %i",
+ ft2232_buffer_size,
(int)bytes_written);
ft2232_buffer_size = 0;
LOG_ERROR("couldn't read from FT2232");
exit(-1);
}
- LOG_DEBUG("thisrun_read: %i, bytes_read: %i",
- thisrun_read,
+ LOG_DEBUG("thisrun_read: %i, bytes_read: %i",
+ thisrun_read,
(int)bytes_read);
receive_pointer += bytes_read;
}
return ERROR_OK;
}
-
static int ft2232_predict_scan_out(int scan_size, enum scan_type type)
{
int predicted_size = 3;
if (tap_get_state() != TAP_DRSHIFT)
predicted_size += get_tms_buffer_requirements(tap_get_tms_path_len(tap_get_state(), TAP_DRSHIFT));
- if (type == SCAN_IN) /* only from device to host */
+ if (type == SCAN_IN) /* only from device to host */
{
/* complete bytes */
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 */
+ else /* host to device, or bidirectional */
{
/* complete bytes */
predicted_size += num_bytes + CEIL(num_bytes, 65536) * 3;
return predicted_size;
}
-
static int ft2232_predict_scan_in(int scan_size, enum scan_type type)
{
int predicted_size = 0;
return predicted_size;
}
-
static void usbjtag_reset(int trst, int srst)
{
enum reset_types jtag_reset_config = jtag_get_reset_config();
if (trst == 1)
{
if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
- low_direction |= nTRSTnOE; /* switch to output pin (output is low) */
+ low_direction |= nTRSTnOE; /* switch to output pin (output is low) */
else
- low_output &= ~nTRST; /* switch output low */
+ low_output &= ~nTRST; /* switch output low */
}
else if (trst == 0)
{
if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
- low_direction &= ~nTRSTnOE; /* switch to input pin (high-Z + internal and external pullup) */
+ low_direction &= ~nTRSTnOE; /* switch to input pin (high-Z + internal and external pullup) */
else
- low_output |= nTRST; /* switch output high */
+ low_output |= nTRST; /* switch output high */
}
if (srst == 1)
{
if (jtag_reset_config & RESET_SRST_PUSH_PULL)
- low_output &= ~nSRST; /* switch output low */
+ low_output &= ~nSRST; /* switch output low */
else
- low_direction |= nSRSTnOE; /* switch to output pin (output is low) */
+ low_direction |= nSRSTnOE; /* switch to output pin (output is low) */
}
else if (srst == 0)
{
if (jtag_reset_config & RESET_SRST_PUSH_PULL)
- low_output |= nSRST; /* switch output high */
+ low_output |= nSRST; /* switch output high */
else
- low_direction &= ~nSRSTnOE; /* switch to input pin (high-Z) */
+ low_direction &= ~nSRSTnOE; /* switch to input pin (high-Z) */
}
/* command "set data bits low byte" */
buffer_write(low_direction);
}
-
static void jtagkey_reset(int trst, int srst)
{
enum reset_types jtag_reset_config = jtag_get_reset_config();
high_direction);
}
-
static void olimex_jtag_reset(int trst, int srst)
{
enum reset_types jtag_reset_config = jtag_get_reset_config();
high_direction);
}
-
static void axm0432_jtag_reset(int trst, int srst)
{
if (trst == 1)
high_direction);
}
-
static void flyswatter_reset(int trst, int srst)
{
if (trst == 1)
LOG_DEBUG("trst: %i, srst: %i, low_output: 0x%2.2x, low_direction: 0x%2.2x", trst, srst, low_output, low_direction);
}
-
static void turtle_reset(int trst, int srst)
{
trst = trst;
LOG_DEBUG("srst: %i, low_output: 0x%2.2x, low_direction: 0x%2.2x", srst, low_output, low_direction);
}
-
static void comstick_reset(int trst, int srst)
{
if (trst == 1)
high_direction);
}
-
static void stm32stick_reset(int trst, int srst)
{
if (trst == 1)
high_direction);
}
-
-
static void sheevaplug_reset(int trst, int srst)
{
if (trst == 1)
static int ft2232_execute_runtest(jtag_command_t *cmd)
{
- int retval;
- int i;
+ int retval;
+ int i;
int predicted_size = 0;
retval = ERROR_OK;
}
require_send = 1;
-#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("runtest: %i, end in %s", cmd->cmd.runtest->num_cycles, tap_state_name(tap_get_end_state()));
-#endif
-
+ DEBUG_JTAG_IO("runtest: %i, end in %s",
+ cmd->cmd.runtest->num_cycles,
+ tap_state_name(tap_get_end_state()));
return retval;
}
-
static int ft2232_execute_statemove(jtag_command_t *cmd)
{
int predicted_size = 0;
int retval = ERROR_OK;
- DEBUG_JTAG_IO("statemove end in %i", cmd->cmd.statemove->end_state);
+ DEBUG_JTAG_IO("statemove end in %s",
+ tap_state_name(cmd->cmd.statemove->end_state));
/* only send the maximum buffer size that FT2232C can handle */
predicted_size = 3;
}
ft2232_end_state(cmd->cmd.statemove->end_state);
- /* move to end state */
- if (tap_get_state() != tap_get_end_state())
+ /* For TAP_RESET, ignore the current recorded state. It's often
+ * wrong at server startup, and this transation is critical whenever
+ * it's requested.
+ */
+ if (tap_get_end_state() == TAP_RESET) {
+ clock_tms(0x4b, 0xff, 5, 0);
+ require_send = 1;
+
+ /* shortest-path move to desired end state */
+ } else if (tap_get_state() != tap_get_end_state())
{
move_to_state(tap_get_end_state());
require_send = 1;
DEBUG_JTAG_IO("pathmove: %i states, current: %s end: %s", num_states,
tap_state_name(tap_get_state()),
- tap_state_name(path[num_states-1])
- );
+ tap_state_name(path[num_states-1]));
/* only send the maximum buffer size that FT2232C can handle */
predicted_size = 3 * CEIL(num_states, 7);
return retval;
}
-
static int ft2232_execute_scan(jtag_command_t *cmd)
{
- uint8_t* buffer;
- int scan_size; /* size of IR or DR scan */
- int predicted_size = 0;
- int retval = ERROR_OK;
+ uint8_t* buffer;
+ int scan_size; /* size of IR or DR scan */
+ int predicted_size = 0;
+ int retval = ERROR_OK;
enum scan_type type = jtag_scan_type(cmd->cmd.scan);
require_send = 1;
if (buffer)
free(buffer);
-#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("%s scan, %i bits, end in %s", (cmd->cmd.scan->ir_scan) ? "IR" : "DR", scan_size,
+ DEBUG_JTAG_IO("%s scan, %i bits, end in %s",
+ (cmd->cmd.scan->ir_scan) ? "IR" : "DR", scan_size,
tap_state_name(tap_get_end_state()));
-#endif
return retval;
}
static int ft2232_execute_reset(jtag_command_t *cmd)
{
- int retval;
- int predicted_size = 0;
+ int retval;
+ int predicted_size = 0;
retval = ERROR_OK;
DEBUG_JTAG_IO("reset trst: %i srst %i",
first_unsent = cmd;
}
+ if ((cmd->cmd.reset->trst == 1) || (cmd->cmd.reset->srst && (jtag_get_reset_config() & RESET_SRST_PULLS_TRST)))
+ {
+ tap_set_state(TAP_RESET);
+ }
+
layout->reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
require_send = 1;
-#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("trst: %i, srst: %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
-#endif
+ DEBUG_JTAG_IO("trst: %i, srst: %i",
+ cmd->cmd.reset->trst, cmd->cmd.reset->srst);
return retval;
}
static int ft2232_execute_sleep(jtag_command_t *cmd)
{
- int retval;
+ int retval;
retval = ERROR_OK;
DEBUG_JTAG_IO("sleep %i", cmd->cmd.sleep->us);
retval = ERROR_JTAG_QUEUE_FAILED;
first_unsent = cmd->next;
jtag_sleep(cmd->cmd.sleep->us);
-#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("sleep %i usec while in %s", cmd->cmd.sleep->us, tap_state_name(tap_get_state()));
-#endif
-
+ DEBUG_JTAG_IO("sleep %i usec while in %s",
+ cmd->cmd.sleep->us,
+ tap_state_name(tap_get_state()));
return retval;
}
static int ft2232_execute_stableclocks(jtag_command_t *cmd)
{
- int retval;
+ int retval;
retval = ERROR_OK;
/* this is only allowed while in a stable state. A check for a stable
*/
if (ft2232_stableclocks(cmd->cmd.stableclocks->num_cycles, cmd) != ERROR_OK)
retval = ERROR_JTAG_QUEUE_FAILED;
-#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("clocks %i while in %s", cmd->cmd.stableclocks->num_cycles, tap_state_name(tap_get_state()));
-#endif
-
+ DEBUG_JTAG_IO("clocks %i while in %s",
+ cmd->cmd.stableclocks->num_cycles,
+ tap_state_name(tap_get_state()));
return retval;
}
static int ft2232_execute_command(jtag_command_t *cmd)
{
- int retval;
+ int retval;
retval = ERROR_OK;
switch (cmd->type)
static int ft2232_execute_queue()
{
- jtag_command_t* cmd = jtag_command_queue; /* currently processed command */
- int retval;
+ jtag_command_t* cmd = jtag_command_queue; /* currently processed command */
+ int retval;
- first_unsent = cmd; /* next command that has to be sent */
+ first_unsent = cmd; /* next command that has to be sent */
require_send = 0;
/* return ERROR_OK, unless ft2232_send_and_recv reports a failed check
return retval;
}
-
#if BUILD_FT2232_FTD2XX == 1
static int ft2232_init_ftd2xx(uint16_t vid, uint16_t pid, int more, int* try_more)
{
status = FT_OpenEx(openex_string, openex_flags, &ftdih);
if (status != FT_OK) {
- // under Win32, the FTD2XX driver appends an "A" to the end
- // of the description, if we tried by the desc, then
- // try by the alternate "A" description.
+ /* under Win32, the FTD2XX driver appends an "A" to the end
+ * of the description, if we tried by the desc, then
+ * try by the alternate "A" description. */
if (openex_string == ft2232_device_desc) {
- // Try the alternate method.
+ /* Try the alternate method. */
openex_string = ft2232_device_desc_A;
status = FT_OpenEx(openex_string, openex_flags, &ftdih);
if (status == FT_OK) {
- // yea, the "alternate" method worked!
+ /* yea, the "alternate" method worked! */
} else {
- // drat, give the user a meaningfull message.
- // telling the use we tried *BOTH* methods.
+ /* drat, give the user a meaningfull message.
+ * telling the use we tried *BOTH* methods. */
LOG_WARNING("Unable to open FTDI Device tried: '%s' and '%s'\n",
ft2232_device_desc,
ft2232_device_desc_A);
{
LOG_ERROR("ListDevices: %lu\n", num_devices);
for (i = 0; i < num_devices; i++)
- LOG_ERROR("%i: \"%s\"", i, desc_array[i]);
+ LOG_ERROR("%" PRIu32 ": \"%s\"", i, desc_array[i]);
}
for (i = 0; i < num_devices; i++)
}
else
{
- LOG_INFO("device: %lu", ftdi_device);
+ static const char* type_str[] =
+ {"BM", "AM", "100AX", "UNKNOWN", "2232C", "232R", "2232H", "4232H"};
+ unsigned no_of_known_types = sizeof(type_str) / sizeof(type_str[0]) - 1;
+ unsigned type_index = ((unsigned)ftdi_device <= no_of_known_types)
+ ? ftdi_device : FT_DEVICE_UNKNOWN;
+ LOG_INFO("device: %lu \"%s\"", ftdi_device, type_str[type_index]);
LOG_INFO("deviceID: %lu", deviceID);
LOG_INFO("SerialNumber: %s", SerialNumber);
LOG_INFO("Description: %s", Description);
-
-#ifdef BUILD_FTD2XX_HIGHSPEED
- if (ft2232_device_is_highspeed())
- {
- ft2232_max_tck = FTDI_2232H_4232H_MAX_TCK;
- LOG_INFO("max TCK change to: %u kHz", ft2232_max_tck);
- }
-#endif
}
return ERROR_OK;
}
-
static int ft2232_purge_ftd2xx(void)
{
FT_STATUS status;
return ERROR_OK;
}
-
#endif /* BUILD_FT2232_FTD2XX == 1 */
#if BUILD_FT2232_LIBFTDI == 1
ftdi_set_bitmode(&ftdic, 0x0b, 2); /* ctx, JTAG I/O mask */
+ ftdi_device = ftdic.type;
+ static const char* type_str[] =
+ {"AM", "BM", "2232C", "R", "2232H", "4232H", "Unknown"};
+ unsigned no_of_known_types = sizeof(type_str) / sizeof(type_str[0]) - 1;
+ unsigned type_index = ((unsigned)ftdi_device < no_of_known_types)
+ ? ftdi_device : no_of_known_types;
+ LOG_DEBUG("FTDI chip type: %i \"%s\"", (int)ftdi_device, type_str[type_index]);
return ERROR_OK;
}
-
static int ft2232_purge_libftdi(void)
{
if (ftdi_usb_purge_buffers(&ftdic) < 0)
return ERROR_OK;
}
-
#endif /* BUILD_FT2232_LIBFTDI == 1 */
static int ft2232_init(void)
const ft2232_layout_t* cur_layout = ft2232_layouts;
int i;
- if (tap_get_tms_path_len(TAP_IRPAUSE,TAP_IRPAUSE)==7)
+ if (tap_get_tms_path_len(TAP_IRPAUSE,TAP_IRPAUSE) == 7)
{
LOG_DEBUG("ft2232 interface using 7 step jtag state transitions");
}
if (layout->init() != ERROR_OK)
return ERROR_JTAG_INIT_FAILED;
+ if (ft2232_device_is_highspeed())
+ {
+#ifndef BUILD_FT2232_HIGHSPEED
+ #if BUILD_FT2232_FTD2XX == 1
+ LOG_WARNING("High Speed device found - You need a newer FTD2XX driver (version 2.04.16 or later)");
+ #elif BUILD_FT2232_LIBFTDI == 1
+ LOG_WARNING("High Speed device found - You need a newer libftdi version (0.16 or later)");
+ #endif
+#endif
+ /* make sure the legacy mode is disabled */
+ if (ft2232h_ft4232h_clk_divide_by_5(false) != ERROR_OK)
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
ft2232_speed(jtag_get_speed());
buf[0] = 0x85; /* Disconnect TDI/DO to TDO/DI for Loopback */
return ERROR_OK;
}
-
static int usbjtag_init(void)
{
uint8_t buf[3];
low_output = 0x88;
low_direction = 0x8b;
}
+ else if (strcmp(ft2232_layout, "luminary_icdi") == 0)
+ {
+ nTRST = 0x0;
+ nTRSTnOE = 0x00;
+ nSRST = 0x20;
+ nSRSTnOE = 0x20;
+ low_output = 0x88;
+ low_direction = 0xcb;
+ }
else
{
LOG_ERROR("BUG: usbjtag_init called for unknown layout '%s'", ft2232_layout);
/* initialize low byte for jtag */
buf[0] = 0x80; /* command "set data bits low byte" */
- buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, xRST high) */
- buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in */
+ buf[1] = low_output; /* value (TMS = 1,TCK = 0, TDI = 0, xRST high) */
+ buf[2] = low_direction; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in */
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
return ERROR_OK;
}
-
static int axm0432_jtag_init(void)
{
uint8_t buf[3];
/* initialize low byte for jtag */
buf[0] = 0x80; /* command "set data bits low byte" */
- buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
- buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE=out */
+ buf[1] = low_output; /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */
+ buf[2] = low_direction; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in, nOE = out */
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
return ERROR_OK;
}
-
static int jtagkey_init(void)
{
uint8_t buf[3];
/* initialize low byte for jtag */
buf[0] = 0x80; /* command "set data bits low byte" */
- buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
- buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE=out */
+ buf[1] = low_output; /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */
+ buf[2] = low_direction; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in, nOE = out */
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
return ERROR_OK;
}
-
static int olimex_jtag_init(void)
{
uint8_t buf[3];
/* initialize low byte for jtag */
buf[0] = 0x80; /* command "set data bits low byte" */
- buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
- buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE=out */
+ buf[1] = low_output; /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */
+ buf[2] = low_direction; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in, nOE = out */
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
return ERROR_OK;
}
-
static int flyswatter_init(void)
{
uint8_t buf[3];
/* initialize low byte for jtag */
buf[0] = 0x80; /* command "set data bits low byte" */
- buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
- buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE[12]=out, n[ST]srst=out */
+ buf[1] = low_output; /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */
+ buf[2] = low_direction; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in, nOE[12]=out, n[ST]srst = out */
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
return ERROR_OK;
}
-
static int turtle_init(void)
{
uint8_t buf[3];
/* initialize low byte for jtag */
buf[0] = 0x80; /* command "set data bits low byte" */
- buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
- buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE=out */
+ buf[1] = low_output; /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */
+ buf[2] = low_direction; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in, nOE = out */
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
return ERROR_OK;
}
-
static int comstick_init(void)
{
uint8_t buf[3];
/* initialize low byte for jtag */
buf[0] = 0x80; /* command "set data bits low byte" */
- buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
- buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE=out */
+ buf[1] = low_output; /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */
+ buf[2] = low_direction; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in, nOE = out */
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
return ERROR_OK;
}
-
static int stm32stick_init(void)
{
uint8_t buf[3];
/* initialize low byte for jtag */
buf[0] = 0x80; /* command "set data bits low byte" */
- buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
- buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE=out */
+ buf[1] = low_output; /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */
+ buf[2] = low_direction; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in, nOE = out */
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
return ERROR_OK;
}
-
static int sheevaplug_init(void)
{
uint8_t buf[3];
/* initialize low byte for jtag */
buf[0] = 0x80; /* command "set data bits low byte" */
- buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
- buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in */
+ buf[1] = low_output; /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */
+ buf[2] = low_direction; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in */
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
/* initialize low byte for jtag */
buf[0] = 0x80; /* command "set data bits low byte" */
- buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */
- buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE=out */
+ buf[1] = low_output; /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */
+ buf[2] = low_direction; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in, nOE = out */
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
buffer_write(high_direction);
}
-
static void flyswatter_jtag_blink(void)
{
/*
buffer_write(high_direction);
}
-
static void turtle_jtag_blink(void)
{
/*
buffer_write(high_direction);
}
-
static int ft2232_quit(void)
{
#if BUILD_FT2232_FTD2XX == 1
return ERROR_OK;
}
-
static int ft2232_handle_device_desc_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc)
{
char *cp;
{
ft2232_device_desc = strdup(args[0]);
cp = strchr(ft2232_device_desc, 0);
- // under Win32, the FTD2XX driver appends an "A" to the end
- // of the description, this examines the given desc
- // and creates the 'missing' _A or non_A variable.
+ /* under Win32, the FTD2XX driver appends an "A" to the end
+ * of the description, this examines the given desc
+ * and creates the 'missing' _A or non_A variable. */
if ((cp[-1] == 'A') && (cp[-2]==' ')) {
- // it was, so make this the "A" version.
+ /* it was, so make this the "A" version. */
ft2232_device_desc_A = ft2232_device_desc;
- // and *CREATE* the non-A version.
+ /* and *CREATE* the non-A version. */
strcpy(buf, ft2232_device_desc);
cp = strchr(buf, 0);
cp[-2] = 0;
ft2232_device_desc = strdup(buf);
} else {
- // <space>A not defined
- // so create it
+ /* <space > A not defined
+ * so create it */
sprintf(buf, "%s A", ft2232_device_desc);
ft2232_device_desc_A = strdup(buf);
}
return ERROR_OK;
}
-
static int ft2232_handle_serial_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc)
{
if (argc == 1)
return ERROR_OK;
}
-
static int ft2232_handle_layout_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc)
{
if (argc == 0)
return ERROR_OK;
}
-
static int ft2232_handle_vid_pid_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc)
{
if (argc > MAX_USB_IDS * 2)
LOG_WARNING("incomplete ft2232_vid_pid configuration directive");
if (argc < 2)
return ERROR_COMMAND_SYNTAX_ERROR;
- // remove the incomplete trailing id
+ /* remove the incomplete trailing id */
argc -= 1;
}
return retval;
}
-
static int ft2232_handle_latency_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc)
{
if (argc == 1)
return ERROR_OK;
}
-
static int ft2232_stableclocks(int num_cycles, jtag_command_t* cmd)
{
int retval = 0;
return retval;
}
-
/* ---------------------------------------------------------------------
* Support for IceBear JTAG adapter from Section5:
* http://section5.ch/icebear