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- /***************************************************************************
- * 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 *
- * *
- * 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 code uses information contained in the MPSSE specification which was
- * found here:
- * http://www.ftdichip.com/Documents/AppNotes/AN2232C-01_MPSSE_Cmnd.pdf
- * Hereafter this is called the "MPSSE Spec".
- *
- * The datasheet for the ftdichip.com's FT2232D part is here:
- * http://www.ftdichip.com/Documents/DataSheets/DS_FT2232D.pdf
- */
-
- #ifdef HAVE_CONFIG_H
- #include "config.h"
- #endif
-
- /* project specific includes */
- #include "interface.h"
- #include "commands.h"
- #include "time_support.h"
-
- #if IS_CYGWIN == 1
- #include <windows.h>
- #endif
-
- #include <assert.h>
-
- #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"
- #endif
-
- /* FT2232 access library includes */
- #if BUILD_FT2232_FTD2XX == 1
- #include <ftd2xx.h>
- #elif BUILD_FT2232_LIBFTDI == 1
- #include <ftdi.h>
- #endif
-
- /* 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
-
- /*
- * On my Athlon XP 1900+ EHCI host with FT2232H JTAG dongle I get read timeout
- * errors with a retry count of 100. Increasing it solves the problem for me.
- * - Dimitar
- *
- * FIXME There's likely an issue with the usb_read_timeout from libftdi.
- * Fix that (libusb? kernel? libftdi? here?) and restore the retry count
- * to something sane.
- */
- #define LIBFTDI_READ_RETRY_COUNT 2000
-
- #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
-
- /**
- * 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,
- * that verification is not done in here.
- *
- * @param num_cycles The number of clocks cycles to send.
- * @param cmd The command to send.
- *
- * @returns ERROR_OK on success, or ERROR_JTAG_QUEUE_FAILED on failure.
- */
- static int ft2232_stableclocks(int num_cycles, struct jtag_command* cmd);
-
- 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 = FTDI_2232C_MAX_TCK;
-
- #define MAX_USB_IDS 8
- /* vid = pid = 0 marks the end of the list */
- static uint16_t ft2232_vid[MAX_USB_IDS + 1] = { 0x0403, 0 };
- static uint16_t ft2232_pid[MAX_USB_IDS + 1] = { 0x6010, 0 };
-
- struct ft2232_layout {
- char* name;
- int (*init)(void);
- void (*reset)(int trst, int srst);
- void (*blink)(void);
- };
-
- /* init procedures for supported layouts */
- static int usbjtag_init(void);
- static int jtagkey_init(void);
- static int olimex_jtag_init(void);
- static int flyswatter_init(void);
- static int turtle_init(void);
- static int comstick_init(void);
- static int stm32stick_init(void);
- static int axm0432_jtag_init(void);
- static int sheevaplug_init(void);
- static int icebear_jtag_init(void);
- static int cortino_jtag_init(void);
- static int signalyzer_h_init(void);
- static int ktlink_init(void);
-
- /* reset procedures for supported layouts */
- static void usbjtag_reset(int trst, int srst);
- static void jtagkey_reset(int trst, int srst);
- static void olimex_jtag_reset(int trst, int srst);
- static void flyswatter_reset(int trst, int srst);
- static void turtle_reset(int trst, int srst);
- static void comstick_reset(int trst, int srst);
- static void stm32stick_reset(int trst, int srst);
- static void axm0432_jtag_reset(int trst, int srst);
- static void sheevaplug_reset(int trst, int srst);
- static void icebear_jtag_reset(int trst, int srst);
- static void signalyzer_h_reset(int trst, int srst);
- static void ktlink_reset(int trst, int srst);
-
- /* blink procedures for layouts that support a blinking led */
- static void olimex_jtag_blink(void);
- static void flyswatter_jtag_blink(void);
- static void turtle_jtag_blink(void);
- static void signalyzer_h_blink(void);
- static void ktlink_blink(void);
-
- static const struct ft2232_layout ft2232_layouts[] =
- {
- { "usbjtag", usbjtag_init, usbjtag_reset, NULL },
- { "jtagkey", jtagkey_init, jtagkey_reset, NULL },
- { "jtagkey_prototype_v1", jtagkey_init, jtagkey_reset, NULL },
- { "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 },
- { "comstick", comstick_init, comstick_reset, NULL },
- { "stm32stick", stm32stick_init, stm32stick_reset, NULL },
- { "axm0432_jtag", axm0432_jtag_init, axm0432_jtag_reset, NULL },
- { "sheevaplug", sheevaplug_init, sheevaplug_reset, NULL },
- { "icebear", icebear_jtag_init, icebear_jtag_reset, NULL },
- { "cortino", cortino_jtag_init, comstick_reset, NULL },
- { "signalyzer-h", signalyzer_h_init, signalyzer_h_reset, signalyzer_h_blink },
- { "ktlink", ktlink_init, ktlink_reset, ktlink_blink },
- { NULL, NULL, NULL, NULL },
- };
-
- static uint8_t nTRST, nTRSTnOE, nSRST, nSRSTnOE;
-
- static const struct ft2232_layout *layout;
- static uint8_t low_output = 0x0;
- static uint8_t low_direction = 0x0;
- static uint8_t high_output = 0x0;
- static uint8_t high_direction = 0x0;
-
- #if BUILD_FT2232_FTD2XX == 1
- static FT_HANDLE ftdih = NULL;
- 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 struct jtag_command* first_unsent; /* next command that has to be sent */
- static int require_send;
-
- /* 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
- with more than 4*64. As a consequence, the FT2232 driver is forced to
- perform around 16x more USB transactions for long command streams with TDO
- capture when running with libftdi."
-
- No idea how we get
- #define FT2232_BUFFER_SIZE 131072
- a comment would have been nice.
- */
-
- #define FT2232_BUFFER_SIZE 131072
-
- static uint8_t* ft2232_buffer = NULL;
- static int ft2232_buffer_size = 0;
- static int ft2232_read_pointer = 0;
- static int ft2232_expect_read = 0;
-
- /**
- * Function buffer_write
- * writes a byte into the byte buffer, "ft2232_buffer", which must be sent later.
- * @param val is the byte to send.
- */
- static inline void buffer_write(uint8_t val)
- {
- assert(ft2232_buffer);
- assert((unsigned) ft2232_buffer_size < (unsigned) FT2232_BUFFER_SIZE);
- ft2232_buffer[ft2232_buffer_size++] = val;
- }
-
- /**
- * Function buffer_read
- * returns a byte from the byte buffer.
- */
- static inline uint8_t buffer_read(void)
- {
- assert(ft2232_buffer);
- assert(ft2232_read_pointer < ft2232_buffer_size);
- 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.
- * Rigorous state transition logging is done here via tap_set_state().
- *
- * @param mpsse_cmd One of the MPSSE TMS oriented commands such as
- * 0x4b or 0x6b. See the MPSSE spec referenced above for their
- * functionality. The MPSSE command "Clock Data to TMS/CS Pin (no Read)"
- * is often used for this, 0x4b.
- *
- * @param tms_bits Holds the sequence of bits to send.
- * @param tms_count Tells how many bits in the sequence.
- * @param tdi_bit A single bit to pass on to TDI before the first TCK
- * cycle and held static for the duration of TMS clocking.
- *
- * See the MPSSE spec referenced above.
- */
- static void clock_tms(uint8_t mpsse_cmd, int tms_bits, int tms_count, bool tdi_bit)
- {
- uint8_t tms_byte;
- int i;
- int tms_ndx; /* bit index into tms_byte */
-
- assert(tms_count > 0);
-
- 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)
- {
- bool bit = tms_bits & 1;
-
- if (bit)
- tms_byte |= (1 << tms_ndx);
-
- /* always do state transitions in public view */
- tap_set_state(tap_state_transition(tap_get_state(), bit));
-
- /* we wrote a bit to tms_byte just above, increment bit index. if bit was zero
- also increment.
- */
- ++tms_ndx;
-
- if (tms_ndx == 7 || i == tms_count-1)
- {
- buffer_write(mpsse_cmd);
- buffer_write(tms_ndx - 1);
-
- /* Bit 7 of the byte is passed on to TDI/DO before the first TCK/SK of
- TMS/CS and is held static for the duration of TMS/CS clocking.
- */
- buffer_write(tms_byte | (tdi_bit << 7));
- }
- }
- }
-
- /**
- * Function get_tms_buffer_requirements
- * returns what clock_tms() will consume if called with
- * same \a bit_count.
- */
- static inline int get_tms_buffer_requirements(int bit_count)
- {
- return ((bit_count + 6)/7) * 3;
- }
-
- /**
- * Function move_to_state
- * moves the TAP controller from the current state to a
- * \a goal_state through a path given by tap_get_tms_path(). State transition
- * logging is performed by delegation to clock_tms().
- *
- * @param goal_state is the destination state for the move.
- */
- static void move_to_state(tap_state_t goal_state)
- {
- tap_state_t start_state = tap_get_state();
-
- /* goal_state is 1/2 of a tuple/pair of states which allow convenient
- lookup of the required TMS pattern to move to this state from the
- start state.
- */
-
- /* do the 2 lookups */
- int tms_bits = tap_get_tms_path(start_state, goal_state);
- int tms_count = tap_get_tms_path_len(start_state, goal_state);
-
- DEBUG_JTAG_IO("start=%s goal=%s", tap_state_name(start_state), tap_state_name(goal_state));
-
- clock_tms(0x4b, tms_bits, tms_count, 0);
- }
-
- static int ft2232_write(uint8_t* buf, int size, uint32_t* bytes_written)
- {
- #if BUILD_FT2232_FTD2XX == 1
- FT_STATUS status;
- DWORD dw_bytes_written;
- if ((status = FT_Write(ftdih, buf, size, &dw_bytes_written)) != FT_OK)
- {
- *bytes_written = dw_bytes_written;
- LOG_ERROR("FT_Write returned: %lu", status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
- else
- {
- *bytes_written = dw_bytes_written;
- return ERROR_OK;
- }
- #elif BUILD_FT2232_LIBFTDI == 1
- int retval;
- if ((retval = ftdi_write_data(&ftdic, buf, size)) < 0)
- {
- *bytes_written = 0;
- LOG_ERROR("ftdi_write_data: %s", ftdi_get_error_string(&ftdic));
- return ERROR_JTAG_DEVICE_ERROR;
- }
- else
- {
- *bytes_written = retval;
- return ERROR_OK;
- }
- #endif
- }
-
- static int ft2232_read(uint8_t* buf, uint32_t size, uint32_t* bytes_read)
- {
- #if BUILD_FT2232_FTD2XX == 1
- DWORD dw_bytes_read;
- FT_STATUS status;
- int timeout = 5;
- *bytes_read = 0;
-
- while ((*bytes_read < size) && timeout--)
- {
- if ((status = FT_Read(ftdih, buf + *bytes_read, size -
- *bytes_read, &dw_bytes_read)) != FT_OK)
- {
- *bytes_read = 0;
- LOG_ERROR("FT_Read returned: %lu", status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
- *bytes_read += dw_bytes_read;
- }
-
- #elif BUILD_FT2232_LIBFTDI == 1
- int retval;
- int timeout = LIBFTDI_READ_RETRY_COUNT;
- *bytes_read = 0;
-
- while ((*bytes_read < size) && timeout--)
- {
- if ((retval = ftdi_read_data(&ftdic, buf + *bytes_read, size - *bytes_read)) < 0)
- {
- *bytes_read = 0;
- LOG_ERROR("ftdi_read_data: %s", ftdi_get_error_string(&ftdic));
- return ERROR_JTAG_DEVICE_ERROR;
- }
- *bytes_read += retval;
- }
-
- #endif
-
- if (*bytes_read < size)
- {
- LOG_ERROR("couldn't read enough bytes from "
- "FT2232 device (%i < %i)",
- (unsigned)*bytes_read,
- (unsigned)size);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- return ERROR_OK;
- }
-
- 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
- }
-
- /*
- * 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
- */
-
- 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))
- {
- LOG_ERROR("couldn't write command to %s adaptive clocking"
- , enable ? "enable" : "disable");
- return retval;
- }
-
- return ERROR_OK;
- }
-
- /**
- * 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)
- {
- 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;
- }
-
- static int ft2232_speed(int speed)
- {
- uint8_t buf[3];
- int retval;
- uint32_t bytes_written;
-
- 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 */
-
- 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))
- {
- LOG_ERROR("couldn't set FT2232 TCK speed");
- return retval;
- }
-
- 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 = (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 (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,
- * AN2232C-01 Command Processor for
- * MPSSE and MCU Host Bus. Chapter 3.8
- *
- * We will calc here with a multiplier
- * of 10 for better rounding later. */
-
- /* Calc speed, (ft2232_max_tck / khz) - 1 */
- /* Use 65000 for better rounding */
- *jtag_speed = ((ft2232_max_tck*10) / khz) - 10;
-
- /* Add 0.9 for rounding */
- *jtag_speed += 9;
-
- /* Calc real speed */
- *jtag_speed = *jtag_speed / 10;
-
- /* Check if speed is greater than 0 */
- if (*jtag_speed < 0)
- {
- *jtag_speed = 0;
- }
-
- /* Check max value */
- if (*jtag_speed > 0xFFFF)
- {
- *jtag_speed = 0xFFFF;
- }
-
- return ERROR_OK;
- }
-
- static void ft2232_end_state(tap_state_t state)
- {
- if (tap_is_state_stable(state))
- tap_set_end_state(state);
- else
- {
- LOG_ERROR("BUG: %s is not a stable end state", tap_state_name(state));
- exit(-1);
- }
- }
-
- static void ft2232_read_scan(enum scan_type type, uint8_t* buffer, int scan_size)
- {
- int num_bytes = (scan_size + 7) / 8;
- int bits_left = scan_size;
- int cur_byte = 0;
-
- while (num_bytes-- > 1)
- {
- buffer[cur_byte++] = buffer_read();
- bits_left -= 8;
- }
-
- buffer[cur_byte] = 0x0;
-
- /* There is one more partial byte left from the clock data in/out instructions */
- if (bits_left > 1)
- {
- buffer[cur_byte] = buffer_read() >> 1;
- }
- /* This shift depends on the length of the clock data to tms instruction, insterted at end of the scan, now fixed to a two step transition in ft2232_add_scan */
- 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];
- char* line_p = line;
-
- for (i = 0; i < ft2232_buffer_size; i++)
- {
- line_p += snprintf(line_p, 256 - (line_p - line), "%2.2x ", ft2232_buffer[i]);
- if (i % 16 == 15)
- {
- LOG_DEBUG("%s", line);
- line_p = line;
- }
- }
-
- if (line_p != line)
- LOG_DEBUG("%s", line);
- }
-
- static int ft2232_send_and_recv(struct jtag_command* first, struct jtag_command* last)
- {
- struct jtag_command* cmd;
- uint8_t* buffer;
- int scan_size;
- enum scan_type type;
- int retval;
- uint32_t bytes_written = 0;
- uint32_t bytes_read = 0;
-
- #ifdef _DEBUG_USB_IO_
- struct timeval start, inter, inter2, end;
- struct timeval d_inter, d_inter2, d_end;
- #endif
-
- #ifdef _DEBUG_USB_COMMS_
- LOG_DEBUG("write buffer (size %i):", ft2232_buffer_size);
- ft2232_debug_dump_buffer();
- #endif
-
- #ifdef _DEBUG_USB_IO_
- gettimeofday(&start, NULL);
- #endif
-
- if ((retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written)) != ERROR_OK)
- {
- LOG_ERROR("couldn't write MPSSE commands to FT2232");
- return retval;
- }
-
- #ifdef _DEBUG_USB_IO_
- gettimeofday(&inter, NULL);
- #endif
-
- if (ft2232_expect_read)
- {
- /* FIXME this "timeout" is never changed ... */
- int timeout = LIBFTDI_READ_RETRY_COUNT;
- ft2232_buffer_size = 0;
-
- #ifdef _DEBUG_USB_IO_
- gettimeofday(&inter2, NULL);
- #endif
-
- if ((retval = ft2232_read(ft2232_buffer, ft2232_expect_read, &bytes_read)) != ERROR_OK)
- {
- LOG_ERROR("couldn't read from FT2232");
- return retval;
- }
-
- #ifdef _DEBUG_USB_IO_
- gettimeofday(&end, NULL);
-
- timeval_subtract(&d_inter, &inter, &start);
- timeval_subtract(&d_inter2, &inter2, &start);
- timeval_subtract(&d_end, &end, &start);
-
- LOG_INFO("inter: %u.%06u, inter2: %u.%06u end: %u.%06u",
- (unsigned)d_inter.tv_sec, (unsigned)d_inter.tv_usec,
- (unsigned)d_inter2.tv_sec, (unsigned)d_inter2.tv_usec,
- (unsigned)d_end.tv_sec, (unsigned)d_end.tv_usec);
- #endif
-
- ft2232_buffer_size = bytes_read;
-
- if (ft2232_expect_read != ft2232_buffer_size)
- {
- LOG_ERROR("ft2232_expect_read (%i) != "
- "ft2232_buffer_size (%i) "
- "(%i retries)",
- ft2232_expect_read,
- ft2232_buffer_size,
- LIBFTDI_READ_RETRY_COUNT - timeout);
- ft2232_debug_dump_buffer();
-
- exit(-1);
- }
-
- #ifdef _DEBUG_USB_COMMS_
- LOG_DEBUG("read buffer (%i retries): %i bytes",
- LIBFTDI_READ_RETRY_COUNT - timeout,
- ft2232_buffer_size);
- ft2232_debug_dump_buffer();
- #endif
- }
-
- ft2232_expect_read = 0;
- ft2232_read_pointer = 0;
-
- /* 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;
-
- cmd = first;
- while (cmd != last)
- {
- switch (cmd->type)
- {
- case JTAG_SCAN:
- type = jtag_scan_type(cmd->cmd.scan);
- if (type != SCAN_OUT)
- {
- scan_size = jtag_scan_size(cmd->cmd.scan);
- buffer = calloc(DIV_ROUND_UP(scan_size, 8), 1);
- ft2232_read_scan(type, buffer, scan_size);
- if (jtag_read_buffer(buffer, cmd->cmd.scan) != ERROR_OK)
- retval = ERROR_JTAG_QUEUE_FAILED;
- free(buffer);
- }
- break;
-
- default:
- break;
- }
-
- cmd = cmd->next;
- }
-
- ft2232_buffer_size = 0;
-
- return retval;
- }
-
- /**
- * Function ft2232_add_pathmove
- * moves the TAP controller from the current state to a new state through the
- * given path, where path is an array of tap_state_t's.
- *
- * @param path is an array of tap_stat_t which gives the states to traverse through
- * ending with the last state at path[num_states-1]
- * @param num_states is the count of state steps to move through
- */
- static void ft2232_add_pathmove(tap_state_t* path, int num_states)
- {
- 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 */
- while (num_states)
- {
- 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;
-
- /* command "Clock Data to TMS/CS Pin (no Read)" */
- buffer_write(0x4b);
-
- /* 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);
- }
-
- 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;
- int bits_left = scan_size;
- int cur_byte = 0;
- int last_bit;
-
- if (!ir_scan)
- {
- if (tap_get_state() != TAP_DRSHIFT)
- {
- move_to_state(TAP_DRSHIFT);
- }
- }
- else
- {
- if (tap_get_state() != TAP_IRSHIFT)
- {
- move_to_state(TAP_IRSHIFT);
- }
- }
-
- /* 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_write(0x39);
- /* LOG_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_write(0x19);
- /* LOG_DEBUG("added TDI bytes (o)"); */
- }
- else if (type == SCAN_IN)
- {
- /* Clock Data Bytes In on +ve Clock Edge LSB First (no Write) */
- buffer_write(0x28);
- /* LOG_DEBUG("added TDI bytes (i %i)", num_bytes); */
- }
-
- thisrun_bytes = (num_bytes > 65537) ? 65536 : (num_bytes - 1);
- num_bytes -= thisrun_bytes;
-
- buffer_write((uint8_t) (thisrun_bytes - 1));
- buffer_write((uint8_t) ((thisrun_bytes - 1) >> 8));
-
- if (type != SCAN_IN)
- {
- /* add complete bytes */
- while (thisrun_bytes-- > 0)
- {
- buffer_write(buffer[cur_byte++]);
- bits_left -= 8;
- }
- }
- else /* (type == SCAN_IN) */
- {
- bits_left -= 8 * (thisrun_bytes);
- }
- }
-
- /* 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_write(0x3b);
- /* LOG_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_write(0x1b);
- /* LOG_DEBUG("added TDI bits (o)"); */
- }
- else if (type == SCAN_IN)
- {
- /* Clock Data Bits In on +ve Clock Edge LSB First (no Write) */
- buffer_write(0x2a);
- /* LOG_DEBUG("added TDI bits (i %i)", bits_left - 1); */
- }
-
- buffer_write(bits_left - 2);
- if (type != SCAN_IN)
- buffer_write(buffer[cur_byte]);
- }
-
- if ((ir_scan && (tap_get_end_state() == TAP_IRSHIFT))
- || (!ir_scan && (tap_get_end_state() == TAP_DRSHIFT)))
- {
- if (type == SCAN_IO)
- {
- /* Clock Data Bits In and Out LSB First */
- buffer_write(0x3b);
- /* LOG_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_write(0x1b);
- /* LOG_DEBUG("added TDI bits (o)"); */
- }
- else if (type == SCAN_IN)
- {
- /* Clock Data Bits In on +ve Clock Edge LSB First (no Write) */
- buffer_write(0x2a);
- /* LOG_DEBUG("added TDI bits (i %i)", bits_left - 1); */
- }
- buffer_write(0x0);
- buffer_write(last_bit);
- }
- else
- {
- int tms_bits;
- int tms_count;
- uint8_t mpsse_cmd;
-
- /* move from Shift-IR/DR to end state */
- if (type != SCAN_OUT)
- {
- /* We always go to the PAUSE state in two step at the end of an IN or IO scan */
- /* This must be coordinated with the bit shifts in ft2232_read_scan */
- tms_bits = 0x01;
- tms_count = 2;
- /* Clock Data to TMS/CS Pin with Read */
- mpsse_cmd = 0x6b;
- }
- else
- {
- tms_bits = tap_get_tms_path(tap_get_state(), tap_get_end_state());
- 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;
- }
-
- DEBUG_JTAG_IO("finish %s", (type == SCAN_OUT) ? "without read" : "via PAUSE");
- clock_tms(mpsse_cmd, tms_bits, tms_count, last_bit);
- }
-
- if (tap_get_state() != tap_get_end_state())
- {
- move_to_state(tap_get_end_state());
- }
- }
-
- static int ft2232_large_scan(struct scan_command* cmd, enum scan_type type, uint8_t* buffer, int scan_size)
- {
- int num_bytes = (scan_size + 7) / 8;
- int bits_left = scan_size;
- int cur_byte = 0;
- int last_bit;
- uint8_t* receive_buffer = malloc(DIV_ROUND_UP(scan_size, 8));
- uint8_t* receive_pointer = receive_buffer;
- uint32_t bytes_written;
- uint32_t bytes_read;
- int retval;
- int thisrun_read = 0;
-
- if (cmd->ir_scan)
- {
- LOG_ERROR("BUG: large IR scans are not supported");
- exit(-1);
- }
-
- if (tap_get_state() != TAP_DRSHIFT)
- {
- move_to_state(TAP_DRSHIFT);
- }
-
- if ((retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written)) != ERROR_OK)
- {
- LOG_ERROR("couldn't write MPSSE commands to FT2232");
- exit(-1);
- }
- LOG_DEBUG("ft2232_buffer_size: %i, bytes_written: %i",
- ft2232_buffer_size, (int)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_write(0x39);
- /* LOG_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_write(0x19);
- /* LOG_DEBUG("added TDI bytes (o)"); */
- }
- else if (type == SCAN_IN)
- {
- /* Clock Data Bytes In on +ve Clock Edge LSB First (no Write) */
- buffer_write(0x28);
- /* LOG_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_write((uint8_t) (thisrun_bytes - 1));
- buffer_write((uint8_t) ((thisrun_bytes - 1) >> 8));
-
- if (type != SCAN_IN)
- {
- /* add complete bytes */
- while (thisrun_bytes-- > 0)
- {
- buffer_write(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)
- {
- LOG_ERROR("couldn't write MPSSE commands to FT2232");
- exit(-1);
- }
- LOG_DEBUG("ft2232_buffer_size: %i, bytes_written: %i",
- ft2232_buffer_size,
- (int)bytes_written);
- ft2232_buffer_size = 0;
-
- if (type != SCAN_OUT)
- {
- if ((retval = ft2232_read(receive_pointer, thisrun_read, &bytes_read)) != ERROR_OK)
- {
- LOG_ERROR("couldn't read from FT2232");
- exit(-1);
- }
- LOG_DEBUG("thisrun_read: %i, bytes_read: %i",
- thisrun_read,
- (int)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_write(0x3b);
- /* LOG_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_write(0x1b);
- /* LOG_DEBUG("added TDI bits (o)"); */
- }
- else if (type == SCAN_IN)
- {
- /* Clock Data Bits In on +ve Clock Edge LSB First (no Write) */
- buffer_write(0x2a);
- /* LOG_DEBUG("added TDI bits (i %i)", bits_left - 1); */
- }
- buffer_write(bits_left - 2);
- if (type != SCAN_IN)
- buffer_write(buffer[cur_byte]);
-
- if (type != SCAN_OUT)
- thisrun_read += 2;
- }
-
- if (tap_get_end_state() == TAP_DRSHIFT)
- {
- if (type == SCAN_IO)
- {
- /* Clock Data Bits In and Out LSB First */
- buffer_write(0x3b);
- /* LOG_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_write(0x1b);
- /* LOG_DEBUG("added TDI bits (o)"); */
- }
- else if (type == SCAN_IN)
- {
- /* Clock Data Bits In on +ve Clock Edge LSB First (no Write) */
- buffer_write(0x2a);
- /* LOG_DEBUG("added TDI bits (i %i)", bits_left - 1); */
- }
- buffer_write(0x0);
- buffer_write(last_bit);
- }
- else
- {
- int tms_bits = 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());
- uint8_t mpsse_cmd;
-
- /* move from Shift-IR/DR to end state */
- if (type != SCAN_OUT)
- {
- /* Clock Data to TMS/CS Pin with Read */
- mpsse_cmd = 0x6b;
- /* LOG_DEBUG("added TMS scan (read)"); */
- }
- else
- {
- /* 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) ? "no read" : "read");
- clock_tms(mpsse_cmd, tms_bits, tms_count, last_bit);
- }
-
- if (type != SCAN_OUT)
- thisrun_read += 1;
-
- if ((retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written)) != ERROR_OK)
- {
- LOG_ERROR("couldn't write MPSSE commands to FT2232");
- exit(-1);
- }
- LOG_DEBUG("ft2232_buffer_size: %i, bytes_written: %i",
- ft2232_buffer_size,
- (int)bytes_written);
- ft2232_buffer_size = 0;
-
- if (type != SCAN_OUT)
- {
- if ((retval = ft2232_read(receive_pointer, thisrun_read, &bytes_read)) != ERROR_OK)
- {
- LOG_ERROR("couldn't read from FT2232");
- exit(-1);
- }
- 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;
- int num_bytes = (scan_size - 1) / 8;
-
- 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 */
- {
- /* complete bytes */
- predicted_size += DIV_ROUND_UP(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 += num_bytes + DIV_ROUND_UP(num_bytes, 65536) * 3;
-
- /* remaining bits -1 (up to 7) */
- predicted_size += ((scan_size - 1) % 8) ? 3 : 0;
- }
-
- return predicted_size;
- }
-
- static int ft2232_predict_scan_in(int scan_size, enum scan_type type)
- {
- int predicted_size = 0;
-
- if (type != SCAN_OUT)
- {
- /* complete bytes */
- predicted_size += (DIV_ROUND_UP(scan_size, 8) > 1) ? (DIV_ROUND_UP(scan_size, 8) - 1) : 0;
-
- /* remaining bits - 1 */
- predicted_size += ((scan_size - 1) % 8) ? 1 : 0;
-
- /* last bit (from TMS scan) */
- predicted_size += 1;
- }
-
- /* LOG_DEBUG("scan_size: %i, predicted_size: %i", scan_size, predicted_size); */
-
- 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) */
- else
- 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) */
- else
- low_output |= nTRST; /* switch output high */
- }
-
- if (srst == 1)
- {
- if (jtag_reset_config & RESET_SRST_PUSH_PULL)
- low_output &= ~nSRST; /* switch output low */
- else
- 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 */
- else
- low_direction &= ~nSRSTnOE; /* switch to input pin (high-Z) */
- }
-
- /* command "set data bits low byte" */
- buffer_write(0x80);
- buffer_write(low_output);
- buffer_write(low_direction);
- }
-
- static void jtagkey_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)
- high_output &= ~nTRSTnOE;
- else
- high_output &= ~nTRST;
- }
- else if (trst == 0)
- {
- if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
- high_output |= nTRSTnOE;
- else
- high_output |= nTRST;
- }
-
- if (srst == 1)
- {
- if (jtag_reset_config & RESET_SRST_PUSH_PULL)
- high_output &= ~nSRST;
- else
- high_output &= ~nSRSTnOE;
- }
- else if (srst == 0)
- {
- if (jtag_reset_config & RESET_SRST_PUSH_PULL)
- high_output |= nSRST;
- else
- high_output |= nSRSTnOE;
- }
-
- /* command "set data bits high byte" */
- buffer_write(0x82);
- buffer_write(high_output);
- buffer_write(high_direction);
- LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output,
- high_direction);
- }
-
- static void olimex_jtag_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)
- high_output &= ~nTRSTnOE;
- else
- high_output &= ~nTRST;
- }
- else if (trst == 0)
- {
- if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
- high_output |= nTRSTnOE;
- else
- high_output |= nTRST;
- }
-
- if (srst == 1)
- {
- high_output |= nSRST;
- }
- else if (srst == 0)
- {
- high_output &= ~nSRST;
- }
-
- /* command "set data bits high byte" */
- buffer_write(0x82);
- buffer_write(high_output);
- buffer_write(high_direction);
- LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output,
- high_direction);
- }
-
- static void axm0432_jtag_reset(int trst, int srst)
- {
- if (trst == 1)
- {
- tap_set_state(TAP_RESET);
- high_output &= ~nTRST;
- }
- else if (trst == 0)
- {
- high_output |= nTRST;
- }
-
- if (srst == 1)
- {
- high_output &= ~nSRST;
- }
- else if (srst == 0)
- {
- high_output |= nSRST;
- }
-
- /* command "set data bits low byte" */
- buffer_write(0x82);
- buffer_write(high_output);
- buffer_write(high_direction);
- LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output,
- high_direction);
- }
-
- static void flyswatter_reset(int trst, int srst)
- {
- if (trst == 1)
- {
- low_output &= ~nTRST;
- }
- else if (trst == 0)
- {
- low_output |= nTRST;
- }
-
- if (srst == 1)
- {
- low_output |= nSRST;
- }
- else if (srst == 0)
- {
- low_output &= ~nSRST;
- }
-
- /* command "set data bits low byte" */
- buffer_write(0x80);
- buffer_write(low_output);
- buffer_write(low_direction);
- 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;
-
- if (srst == 1)
- {
- low_output |= nSRST;
- }
- else if (srst == 0)
- {
- low_output &= ~nSRST;
- }
-
- /* command "set data bits low byte" */
- buffer_write(0x80);
- buffer_write(low_output);
- buffer_write(low_direction);
- 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_output &= ~nTRST;
- }
- else if (trst == 0)
- {
- high_output |= nTRST;
- }
-
- if (srst == 1)
- {
- high_output &= ~nSRST;
- }
- else if (srst == 0)
- {
- high_output |= nSRST;
- }
-
- /* command "set data bits high byte" */
- buffer_write(0x82);
- buffer_write(high_output);
- buffer_write(high_direction);
- LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output,
- high_direction);
- }
-
- static void stm32stick_reset(int trst, int srst)
- {
- if (trst == 1)
- {
- high_output &= ~nTRST;
- }
- else if (trst == 0)
- {
- high_output |= nTRST;
- }
-
- if (srst == 1)
- {
- low_output &= ~nSRST;
- }
- else if (srst == 0)
- {
- low_output |= nSRST;
- }
-
- /* command "set data bits low byte" */
- buffer_write(0x80);
- buffer_write(low_output);
- buffer_write(low_direction);
-
- /* command "set data bits high byte" */
- buffer_write(0x82);
- buffer_write(high_output);
- buffer_write(high_direction);
- LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output,
- high_direction);
- }
-
- static void sheevaplug_reset(int trst, int srst)
- {
- if (trst == 1)
- high_output &= ~nTRST;
- else if (trst == 0)
- high_output |= nTRST;
-
- if (srst == 1)
- high_output &= ~nSRSTnOE;
- else if (srst == 0)
- high_output |= nSRSTnOE;
-
- /* command "set data bits high byte" */
- buffer_write(0x82);
- buffer_write(high_output);
- buffer_write(high_direction);
- LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_direction);
- }
-
- static int ft2232_execute_runtest(struct jtag_command *cmd)
- {
- int retval;
- int i;
- int predicted_size = 0;
- retval = ERROR_OK;
-
- DEBUG_JTAG_IO("runtest %i cycles, end in %s",
- cmd->cmd.runtest->num_cycles,
- tap_state_name(cmd->cmd.runtest->end_state));
-
- /* only send the maximum buffer size that FT2232C can handle */
- predicted_size = 0;
- if (tap_get_state() != TAP_IDLE)
- predicted_size += 3;
- predicted_size += 3 * DIV_ROUND_UP(cmd->cmd.runtest->num_cycles, 7);
- if (cmd->cmd.runtest->end_state != TAP_IDLE)
- predicted_size += 3;
- if (tap_get_end_state() != TAP_IDLE)
- predicted_size += 3;
- if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
- {
- if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
- retval = ERROR_JTAG_QUEUE_FAILED;
- require_send = 0;
- first_unsent = cmd;
- }
- if (tap_get_state() != TAP_IDLE)
- {
- move_to_state(TAP_IDLE);
- require_send = 1;
- }
- i = cmd->cmd.runtest->num_cycles;
- while (i > 0)
- {
- /* there are no state transitions in this code, so omit state tracking */
-
- /* command "Clock Data to TMS/CS Pin (no Read)" */
- buffer_write(0x4b);
-
- /* scan 7 bits */
- buffer_write((i > 7) ? 6 : (i - 1));
-
- /* TMS data bits */
- buffer_write(0x0);
-
- i -= (i > 7) ? 7 : i;
- /* LOG_DEBUG("added TMS scan (no read)"); */
- }
-
- ft2232_end_state(cmd->cmd.runtest->end_state);
-
- if (tap_get_state() != tap_get_end_state())
- {
- move_to_state(tap_get_end_state());
- }
-
- require_send = 1;
- 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(struct jtag_command *cmd)
- {
- int predicted_size = 0;
- int retval = ERROR_OK;
-
- 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;
- if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
- {
- if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
- retval = ERROR_JTAG_QUEUE_FAILED;
- require_send = 0;
- first_unsent = cmd;
- }
- ft2232_end_state(cmd->cmd.statemove->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;
- }
-
- return retval;
- }
-
- static int ft2232_execute_pathmove(struct jtag_command *cmd)
- {
- int predicted_size = 0;
- int retval = ERROR_OK;
-
- tap_state_t* path = cmd->cmd.pathmove->path;
- int num_states = cmd->cmd.pathmove->num_states;
-
- 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]));
-
- /* only send the maximum buffer size that FT2232C can handle */
- predicted_size = 3 * DIV_ROUND_UP(num_states, 7);
- if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
- {
- if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
- retval = ERROR_JTAG_QUEUE_FAILED;
-
- require_send = 0;
- first_unsent = cmd;
- }
-
- ft2232_add_pathmove(path, num_states);
- require_send = 1;
-
- return retval;
- }
-
- static int ft2232_execute_scan(struct jtag_command *cmd)
- {
- 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);
-
- DEBUG_JTAG_IO("%s type:%d", cmd->cmd.scan->ir_scan ? "IRSCAN" : "DRSCAN", type);
-
- scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer);
-
- predicted_size = ft2232_predict_scan_out(scan_size, type);
- if ((predicted_size + 1) > FT2232_BUFFER_SIZE)
- {
- LOG_DEBUG("oversized ft2232 scan (predicted_size > FT2232_BUFFER_SIZE)");
- /* unsent commands before this */
- if (first_unsent != cmd)
- if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
- retval = ERROR_JTAG_QUEUE_FAILED;
-
- /* current command */
- 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);
- return retval;
- }
- else if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
- {
- LOG_DEBUG("ft2232 buffer size reached, sending queued commands (first_unsent: %p, cmd: %p)",
- first_unsent,
- cmd);
- if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
- retval = ERROR_JTAG_QUEUE_FAILED;
- require_send = 0;
- first_unsent = cmd;
- }
- ft2232_expect_read += ft2232_predict_scan_in(scan_size, type);
- /* LOG_DEBUG("new read size: %i", ft2232_expect_read); */
- ft2232_end_state(cmd->cmd.scan->end_state);
- ft2232_add_scan(cmd->cmd.scan->ir_scan, type, buffer, scan_size);
- require_send = 1;
- if (buffer)
- free(buffer);
- 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()));
- return retval;
-
- }
-
- static int ft2232_execute_reset(struct jtag_command *cmd)
- {
- int retval;
- int predicted_size = 0;
- retval = ERROR_OK;
-
- DEBUG_JTAG_IO("reset trst: %i srst %i",
- cmd->cmd.reset->trst, cmd->cmd.reset->srst);
-
- /* only send the maximum buffer size that FT2232C can handle */
- predicted_size = 3;
- if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
- {
- if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
- retval = ERROR_JTAG_QUEUE_FAILED;
- require_send = 0;
- 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;
-
- DEBUG_JTAG_IO("trst: %i, srst: %i",
- cmd->cmd.reset->trst, cmd->cmd.reset->srst);
- return retval;
- }
-
- static int ft2232_execute_sleep(struct jtag_command *cmd)
- {
- int retval;
- retval = ERROR_OK;
-
- DEBUG_JTAG_IO("sleep %" PRIi32, cmd->cmd.sleep->us);
-
- if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
- retval = ERROR_JTAG_QUEUE_FAILED;
- first_unsent = cmd->next;
- jtag_sleep(cmd->cmd.sleep->us);
- DEBUG_JTAG_IO("sleep %" PRIi32 " usec while in %s",
- cmd->cmd.sleep->us,
- tap_state_name(tap_get_state()));
- return retval;
- }
-
- static int ft2232_execute_stableclocks(struct jtag_command *cmd)
- {
- int retval;
- retval = ERROR_OK;
-
- /* this is only allowed while in a stable state. A check for a stable
- * state was done in jtag_add_clocks()
- */
- if (ft2232_stableclocks(cmd->cmd.stableclocks->num_cycles, cmd) != ERROR_OK)
- retval = ERROR_JTAG_QUEUE_FAILED;
- 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(struct jtag_command *cmd)
- {
- int retval;
- retval = ERROR_OK;
-
- switch (cmd->type)
- {
- case JTAG_RESET: retval = ft2232_execute_reset(cmd); break;
- case JTAG_RUNTEST: retval = ft2232_execute_runtest(cmd); break;
- case JTAG_STATEMOVE: retval = ft2232_execute_statemove(cmd); break;
- case JTAG_PATHMOVE: retval = ft2232_execute_pathmove(cmd); break;
- case JTAG_SCAN: retval = ft2232_execute_scan(cmd); break;
- case JTAG_SLEEP: retval = ft2232_execute_sleep(cmd); break;
- case JTAG_STABLECLOCKS: retval = ft2232_execute_stableclocks(cmd); break;
- default:
- LOG_ERROR("BUG: unknown JTAG command type encountered");
- exit(-1);
- }
- return retval;
- }
-
- static int ft2232_execute_queue(void)
- {
- struct jtag_command* cmd = jtag_command_queue; /* currently processed command */
- int retval;
-
- 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
- * that wasn't handled by a caller-provided error handler
- */
- retval = ERROR_OK;
-
- ft2232_buffer_size = 0;
- ft2232_expect_read = 0;
-
- /* blink, if the current layout has that feature */
- if (layout->blink)
- layout->blink();
-
- while (cmd)
- {
- if (ft2232_execute_command(cmd) != ERROR_OK)
- retval = ERROR_JTAG_QUEUE_FAILED;
- /* Start reading input before FT2232 TX buffer fills up */
- cmd = cmd->next;
- if (ft2232_expect_read > 256)
- {
- if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
- retval = ERROR_JTAG_QUEUE_FAILED;
- first_unsent = cmd;
- }
- }
-
- if (require_send > 0)
- if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
- retval = ERROR_JTAG_QUEUE_FAILED;
-
- return retval;
- }
-
- #if BUILD_FT2232_FTD2XX == 1
- static int ft2232_init_ftd2xx(uint16_t vid, uint16_t pid, int more, int* try_more)
- {
- FT_STATUS status;
- DWORD deviceID;
- char SerialNumber[16];
- char Description[64];
- DWORD openex_flags = 0;
- char* openex_string = NULL;
- uint8_t latency_timer;
-
- LOG_DEBUG("'ft2232' interface using FTD2XX with '%s' layout (%4.4x:%4.4x)", ft2232_layout, vid, pid);
-
- #if IS_WIN32 == 0
- /* Add non-standard Vid/Pid to the linux driver */
- if ((status = FT_SetVIDPID(vid, pid)) != FT_OK)
- {
- LOG_WARNING("couldn't add %4.4x:%4.4x", vid, pid);
- }
- #endif
-
- if (ft2232_device_desc && ft2232_serial)
- {
- LOG_WARNING("can't open by device description and serial number, giving precedence to serial");
- ft2232_device_desc = NULL;
- }
-
- if (ft2232_device_desc)
- {
- openex_string = ft2232_device_desc;
- openex_flags = FT_OPEN_BY_DESCRIPTION;
- }
- else if (ft2232_serial)
- {
- openex_string = ft2232_serial;
- openex_flags = FT_OPEN_BY_SERIAL_NUMBER;
- }
- else
- {
- LOG_ERROR("neither device description nor serial number specified");
- LOG_ERROR("please add \"ft2232_device_desc <string>\" or \"ft2232_serial <string>\" to your .cfg file");
-
- return ERROR_JTAG_INIT_FAILED;
- }
-
- 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. */
- if (openex_string == ft2232_device_desc) {
- /* 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! */
- } else {
- /* 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);
- }
- }
- }
-
- if (status != FT_OK)
- {
- DWORD num_devices;
-
- if (more)
- {
- LOG_WARNING("unable to open ftdi device (trying more): %lu", status);
- *try_more = 1;
- return ERROR_JTAG_INIT_FAILED;
- }
- LOG_ERROR("unable to open ftdi device: %lu", status);
- status = FT_ListDevices(&num_devices, NULL, FT_LIST_NUMBER_ONLY);
- if (status == FT_OK)
- {
- char** desc_array = malloc(sizeof(char*) * (num_devices + 1));
- uint32_t i;
-
- for (i = 0; i < num_devices; i++)
- desc_array[i] = malloc(64);
-
- desc_array[num_devices] = NULL;
-
- status = FT_ListDevices(desc_array, &num_devices, FT_LIST_ALL | openex_flags);
-
- if (status == FT_OK)
- {
- LOG_ERROR("ListDevices: %lu\n", num_devices);
- for (i = 0; i < num_devices; i++)
- LOG_ERROR("%" PRIu32 ": \"%s\"", i, desc_array[i]);
- }
-
- for (i = 0; i < num_devices; i++)
- free(desc_array[i]);
-
- free(desc_array);
- }
- else
- {
- LOG_ERROR("ListDevices: NONE\n");
- }
- return ERROR_JTAG_INIT_FAILED;
- }
-
- if ((status = FT_SetLatencyTimer(ftdih, ft2232_latency)) != FT_OK)
- {
- LOG_ERROR("unable to set latency timer: %lu", status);
- return ERROR_JTAG_INIT_FAILED;
- }
-
- if ((status = FT_GetLatencyTimer(ftdih, &latency_timer)) != FT_OK)
- {
- LOG_ERROR("unable to get latency timer: %lu", status);
- return ERROR_JTAG_INIT_FAILED;
- }
- else
- {
- LOG_DEBUG("current latency timer: %i", latency_timer);
- }
-
- if ((status = FT_SetTimeouts(ftdih, 5000, 5000)) != FT_OK)
- {
- LOG_ERROR("unable to set timeouts: %lu", status);
- return ERROR_JTAG_INIT_FAILED;
- }
-
- if ((status = FT_SetBitMode(ftdih, 0x0b, 2)) != FT_OK)
- {
- LOG_ERROR("unable to enable bit i/o mode: %lu", status);
- return ERROR_JTAG_INIT_FAILED;
- }
-
- if ((status = FT_GetDeviceInfo(ftdih, &ftdi_device, &deviceID, SerialNumber, Description, NULL)) != FT_OK)
- {
- LOG_ERROR("unable to get FT_GetDeviceInfo: %lu", status);
- return ERROR_JTAG_INIT_FAILED;
- }
- else
- {
- 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);
- }
-
- return ERROR_OK;
- }
-
- static int ft2232_purge_ftd2xx(void)
- {
- FT_STATUS status;
-
- if ((status = FT_Purge(ftdih, FT_PURGE_RX | FT_PURGE_TX)) != FT_OK)
- {
- LOG_ERROR("error purging ftd2xx device: %lu", status);
- return ERROR_JTAG_INIT_FAILED;
- }
-
- return ERROR_OK;
- }
-
- #endif /* BUILD_FT2232_FTD2XX == 1 */
-
- #if BUILD_FT2232_LIBFTDI == 1
- static int ft2232_init_libftdi(uint16_t vid, uint16_t pid, int more, int* try_more)
- {
- uint8_t latency_timer;
-
- LOG_DEBUG("'ft2232' interface using libftdi with '%s' layout (%4.4x:%4.4x)",
- ft2232_layout, vid, pid);
-
- if (ftdi_init(&ftdic) < 0)
- return ERROR_JTAG_INIT_FAILED;
-
- if (ftdi_set_interface(&ftdic, INTERFACE_A) < 0)
- {
- LOG_ERROR("unable to select FT2232 channel A: %s", ftdic.error_str);
- return ERROR_JTAG_INIT_FAILED;
- }
-
- /* context, vendor id, product id */
- if (ftdi_usb_open_desc(&ftdic, vid, pid, ft2232_device_desc,
- ft2232_serial) < 0)
- {
- if (more)
- LOG_WARNING("unable to open ftdi device (trying more): %s",
- ftdic.error_str);
- else
- LOG_ERROR("unable to open ftdi device: %s", ftdic.error_str);
- *try_more = 1;
- return ERROR_JTAG_INIT_FAILED;
- }
-
- /* There is already a reset in ftdi_usb_open_desc, this should be redundant */
- if (ftdi_usb_reset(&ftdic) < 0)
- {
- LOG_ERROR("unable to reset ftdi device");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- if (ftdi_set_latency_timer(&ftdic, ft2232_latency) < 0)
- {
- LOG_ERROR("unable to set latency timer");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- if (ftdi_get_latency_timer(&ftdic, &latency_timer) < 0)
- {
- LOG_ERROR("unable to get latency timer");
- return ERROR_JTAG_INIT_FAILED;
- }
- else
- {
- LOG_DEBUG("current latency timer: %i", latency_timer);
- }
-
- 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)
- {
- LOG_ERROR("ftdi_purge_buffers: %s", ftdic.error_str);
- return ERROR_JTAG_INIT_FAILED;
- }
-
- return ERROR_OK;
- }
-
- #endif /* BUILD_FT2232_LIBFTDI == 1 */
-
- static int ft2232_init(void)
- {
- uint8_t buf[1];
- int retval;
- uint32_t bytes_written;
- const struct ft2232_layout* cur_layout = ft2232_layouts;
- int i;
-
- if (tap_get_tms_path_len(TAP_IRPAUSE,TAP_IRPAUSE) == 7)
- {
- LOG_DEBUG("ft2232 interface using 7 step jtag state transitions");
- }
- else
- {
- LOG_DEBUG("ft2232 interface using shortest path jtag state transitions");
-
- }
- if ((ft2232_layout == NULL) || (ft2232_layout[0] == 0))
- {
- ft2232_layout = "usbjtag";
- LOG_WARNING("No ft2232 layout specified, using default 'usbjtag'");
- }
-
- while (cur_layout->name)
- {
- if (strcmp(cur_layout->name, ft2232_layout) == 0)
- {
- layout = cur_layout;
- break;
- }
- cur_layout++;
- }
-
- if (!layout)
- {
- LOG_ERROR("No matching layout found for %s", ft2232_layout);
- return ERROR_JTAG_INIT_FAILED;
- }
-
- for (i = 0; 1; i++)
- {
- /*
- * "more indicates that there are more IDs to try, so we should
- * not print an error for an ID mismatch (but for anything
- * else, we should).
- *
- * try_more indicates that the error code returned indicates an
- * ID mismatch (and nothing else) and that we should proceeed
- * with the next ID pair.
- */
- int more = ft2232_vid[i + 1] || ft2232_pid[i + 1];
- int try_more = 0;
-
- #if BUILD_FT2232_FTD2XX == 1
- retval = ft2232_init_ftd2xx(ft2232_vid[i], ft2232_pid[i],
- more, &try_more);
- #elif BUILD_FT2232_LIBFTDI == 1
- retval = ft2232_init_libftdi(ft2232_vid[i], ft2232_pid[i],
- more, &try_more);
- #endif
- if (retval >= 0)
- break;
- if (!more || !try_more)
- return retval;
- }
-
- ft2232_buffer_size = 0;
- ft2232_buffer = malloc(FT2232_BUFFER_SIZE);
-
- 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 */
- if (((retval = ft2232_write(buf, 1, &bytes_written)) != ERROR_OK) || (bytes_written != 1))
- {
- LOG_ERROR("couldn't write to FT2232 to disable loopback");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- #if BUILD_FT2232_FTD2XX == 1
- return ft2232_purge_ftd2xx();
- #elif BUILD_FT2232_LIBFTDI == 1
- return ft2232_purge_libftdi();
- #endif
-
- return ERROR_OK;
- }
-
- static int usbjtag_init(void)
- {
- uint8_t buf[3];
- uint32_t bytes_written;
-
- low_output = 0x08;
- low_direction = 0x0b;
-
- if (strcmp(ft2232_layout, "usbjtag") == 0)
- {
- nTRST = 0x10;
- nTRSTnOE = 0x10;
- nSRST = 0x40;
- nSRSTnOE = 0x40;
- }
- else if (strcmp(ft2232_layout, "signalyzer") == 0)
- {
- nTRST = 0x10;
- nTRSTnOE = 0x10;
- nSRST = 0x20;
- nSRSTnOE = 0x20;
- }
- else if (strcmp(ft2232_layout, "evb_lm3s811") == 0)
- {
- nTRST = 0x0;
- nTRSTnOE = 0x00;
- nSRST = 0x20;
- nSRSTnOE = 0x20;
- 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);
- return ERROR_JTAG_INIT_FAILED;
- }
-
- enum reset_types jtag_reset_config = jtag_get_reset_config();
- if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
- {
- low_direction &= ~nTRSTnOE; /* nTRST input */
- low_output &= ~nTRST; /* nTRST = 0 */
- }
- else
- {
- low_direction |= nTRSTnOE; /* nTRST output */
- low_output |= nTRST; /* nTRST = 1 */
- }
-
- if (jtag_reset_config & RESET_SRST_PUSH_PULL)
- {
- low_direction |= nSRSTnOE; /* nSRST output */
- low_output |= nSRST; /* nSRST = 1 */
- }
- else
- {
- low_direction &= ~nSRSTnOE; /* nSRST input */
- low_output &= ~nSRST; /* nSRST = 0 */
- }
-
- /* 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 */
- 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))
- {
- LOG_ERROR("couldn't initialize FT2232 with 'USBJTAG' layout");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- return ERROR_OK;
- }
-
- static int axm0432_jtag_init(void)
- {
- uint8_t buf[3];
- uint32_t bytes_written;
-
- low_output = 0x08;
- low_direction = 0x2b;
-
- /* 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 */
- 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))
- {
- LOG_ERROR("couldn't initialize FT2232 with 'JTAGkey' layout");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- if (strcmp(layout->name, "axm0432_jtag") == 0)
- {
- nTRST = 0x08;
- nTRSTnOE = 0x0; /* No output enable for TRST*/
- nSRST = 0x04;
- nSRSTnOE = 0x0; /* No output enable for SRST*/
- }
- else
- {
- LOG_ERROR("BUG: axm0432_jtag_init called for non axm0432 layout");
- exit(-1);
- }
-
- high_output = 0x0;
- high_direction = 0x0c;
-
- enum reset_types jtag_reset_config = jtag_get_reset_config();
- if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
- {
- LOG_ERROR("can't set nTRSTOE to push-pull on the Dicarlo jtag");
- }
- else
- {
- high_output |= nTRST;
- }
-
- if (jtag_reset_config & RESET_SRST_PUSH_PULL)
- {
- LOG_ERROR("can't set nSRST to push-pull on the Dicarlo jtag");
- }
- else
- {
- high_output |= nSRST;
- }
-
- /* initialize high port */
- buf[0] = 0x82; /* command "set data bits high byte" */
- buf[1] = high_output; /* value */
- buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */
- 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))
- {
- LOG_ERROR("couldn't initialize FT2232 with 'Dicarlo' layout");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- return ERROR_OK;
- }
-
- static int jtagkey_init(void)
- {
- uint8_t buf[3];
- uint32_t bytes_written;
-
- low_output = 0x08;
- low_direction = 0x1b;
-
- /* 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 */
- 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))
- {
- LOG_ERROR("couldn't initialize FT2232 with 'JTAGkey' layout");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- if (strcmp(layout->name, "jtagkey") == 0)
- {
- nTRST = 0x01;
- nTRSTnOE = 0x4;
- nSRST = 0x02;
- nSRSTnOE = 0x08;
- }
- else if ((strcmp(layout->name, "jtagkey_prototype_v1") == 0)
- || (strcmp(layout->name, "oocdlink") == 0))
- {
- nTRST = 0x02;
- nTRSTnOE = 0x1;
- nSRST = 0x08;
- nSRSTnOE = 0x04;
- }
- else
- {
- LOG_ERROR("BUG: jtagkey_init called for non jtagkey layout");
- exit(-1);
- }
-
- high_output = 0x0;
- high_direction = 0x0f;
-
- enum reset_types jtag_reset_config = jtag_get_reset_config();
- if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
- {
- high_output |= nTRSTnOE;
- high_output &= ~nTRST;
- }
- else
- {
- high_output &= ~nTRSTnOE;
- high_output |= nTRST;
- }
-
- if (jtag_reset_config & RESET_SRST_PUSH_PULL)
- {
- high_output &= ~nSRSTnOE;
- high_output |= nSRST;
- }
- else
- {
- high_output |= nSRSTnOE;
- high_output &= ~nSRST;
- }
-
- /* initialize high port */
- buf[0] = 0x82; /* command "set data bits high byte" */
- buf[1] = high_output; /* value */
- buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */
- 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))
- {
- LOG_ERROR("couldn't initialize FT2232 with 'JTAGkey' layout");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- return ERROR_OK;
- }
-
- static int olimex_jtag_init(void)
- {
- uint8_t buf[3];
- uint32_t bytes_written;
-
- low_output = 0x08;
- low_direction = 0x1b;
-
- /* 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 */
- 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))
- {
- LOG_ERROR("couldn't initialize FT2232 with 'Olimex' layout");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- nTRST = 0x01;
- nTRSTnOE = 0x4;
- nSRST = 0x02;
- nSRSTnOE = 0x00; /* no output enable for nSRST */
-
- high_output = 0x0;
- high_direction = 0x0f;
-
- enum reset_types jtag_reset_config = jtag_get_reset_config();
- if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
- {
- high_output |= nTRSTnOE;
- high_output &= ~nTRST;
- }
- else
- {
- high_output &= ~nTRSTnOE;
- high_output |= nTRST;
- }
-
- if (jtag_reset_config & RESET_SRST_PUSH_PULL)
- {
- LOG_ERROR("can't set nSRST to push-pull on the Olimex ARM-USB-OCD");
- }
- else
- {
- high_output &= ~nSRST;
- }
-
- /* turn red LED on */
- high_output |= 0x08;
-
- /* initialize high port */
- buf[0] = 0x82; /* command "set data bits high byte" */
- buf[1] = high_output; /* value */
- buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */
- 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))
- {
- LOG_ERROR("couldn't initialize FT2232 with 'Olimex' layout");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- return ERROR_OK;
- }
-
- static int flyswatter_init(void)
- {
- uint8_t buf[3];
- uint32_t bytes_written;
-
- low_output = 0x18;
- low_direction = 0xfb;
-
- /* 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 */
- 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))
- {
- LOG_ERROR("couldn't initialize FT2232 with 'flyswatter' layout");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- nTRST = 0x10;
- nTRSTnOE = 0x0; /* not output enable for nTRST */
- nSRST = 0x20;
- nSRSTnOE = 0x00; /* no output enable for nSRST */
-
- high_output = 0x00;
- high_direction = 0x0c;
-
- /* turn red LED3 on, LED2 off */
- high_output |= 0x08;
-
- /* initialize high port */
- buf[0] = 0x82; /* command "set data bits high byte" */
- buf[1] = high_output; /* value */
- buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */
- 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))
- {
- LOG_ERROR("couldn't initialize FT2232 with 'flyswatter' layout");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- return ERROR_OK;
- }
-
- static int turtle_init(void)
- {
- uint8_t buf[3];
- uint32_t bytes_written;
-
- low_output = 0x08;
- low_direction = 0x5b;
-
- /* 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 */
- 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))
- {
- LOG_ERROR("couldn't initialize FT2232 with 'turtelizer2' layout");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- nSRST = 0x40;
-
- high_output = 0x00;
- high_direction = 0x0C;
-
- /* initialize high port */
- buf[0] = 0x82; /* command "set data bits high byte" */
- buf[1] = high_output;
- buf[2] = high_direction;
- 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))
- {
- LOG_ERROR("couldn't initialize FT2232 with 'turtelizer2' layout");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- return ERROR_OK;
- }
-
- static int comstick_init(void)
- {
- uint8_t buf[3];
- uint32_t bytes_written;
-
- low_output = 0x08;
- low_direction = 0x0b;
-
- /* 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 */
- 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))
- {
- LOG_ERROR("couldn't initialize FT2232 with 'comstick' layout");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- nTRST = 0x01;
- nTRSTnOE = 0x00; /* no output enable for nTRST */
- nSRST = 0x02;
- nSRSTnOE = 0x00; /* no output enable for nSRST */
-
- high_output = 0x03;
- high_direction = 0x03;
-
- /* initialize high port */
- buf[0] = 0x82; /* command "set data bits high byte" */
- buf[1] = high_output;
- buf[2] = high_direction;
- 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))
- {
- LOG_ERROR("couldn't initialize FT2232 with 'comstick' layout");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- return ERROR_OK;
- }
-
- static int stm32stick_init(void)
- {
- uint8_t buf[3];
- uint32_t bytes_written;
-
- low_output = 0x88;
- low_direction = 0x8b;
-
- /* 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 */
- 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))
- {
- LOG_ERROR("couldn't initialize FT2232 with 'stm32stick' layout");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- nTRST = 0x01;
- nTRSTnOE = 0x00; /* no output enable for nTRST */
- nSRST = 0x80;
- nSRSTnOE = 0x00; /* no output enable for nSRST */
-
- high_output = 0x01;
- high_direction = 0x03;
-
- /* initialize high port */
- buf[0] = 0x82; /* command "set data bits high byte" */
- buf[1] = high_output;
- buf[2] = high_direction;
- 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))
- {
- LOG_ERROR("couldn't initialize FT2232 with 'stm32stick' layout");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- return ERROR_OK;
- }
-
- static int sheevaplug_init(void)
- {
- uint8_t buf[3];
- uint32_t bytes_written;
-
- low_output = 0x08;
- low_direction = 0x1b;
-
- /* 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 */
- 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))
- {
- LOG_ERROR("couldn't initialize FT2232 with 'sheevaplug' layout");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- nTRSTnOE = 0x1;
- nTRST = 0x02;
- nSRSTnOE = 0x4;
- nSRST = 0x08;
-
- high_output = 0x0;
- high_direction = 0x0f;
-
- /* nTRST is always push-pull */
- high_output &= ~nTRSTnOE;
- high_output |= nTRST;
-
- /* nSRST is always open-drain */
- high_output |= nSRSTnOE;
- high_output &= ~nSRST;
-
- /* initialize high port */
- buf[0] = 0x82; /* command "set data bits high byte" */
- buf[1] = high_output; /* value */
- buf[2] = high_direction; /* all outputs - xRST */
- 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))
- {
- LOG_ERROR("couldn't initialize FT2232 with 'sheevaplug' layout");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- return ERROR_OK;
- }
-
- static int cortino_jtag_init(void)
- {
- uint8_t buf[3];
- uint32_t bytes_written;
-
- low_output = 0x08;
- low_direction = 0x1b;
-
- /* 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 */
- 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))
- {
- LOG_ERROR("couldn't initialize FT2232 with 'cortino' layout");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- nTRST = 0x01;
- nTRSTnOE = 0x00; /* no output enable for nTRST */
- nSRST = 0x02;
- nSRSTnOE = 0x00; /* no output enable for nSRST */
-
- high_output = 0x03;
- high_direction = 0x03;
-
- /* initialize high port */
- buf[0] = 0x82; /* command "set data bits high byte" */
- buf[1] = high_output;
- buf[2] = high_direction;
- 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))
- {
- LOG_ERROR("couldn't initialize FT2232 with 'stm32stick' layout");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- return ERROR_OK;
- }
-
- static void olimex_jtag_blink(void)
- {
- /* Olimex ARM-USB-OCD has a LED connected to ACBUS3
- * ACBUS3 is bit 3 of the GPIOH port
- */
- if (high_output & 0x08)
- {
- /* set port pin high */
- high_output &= 0x07;
- }
- else
- {
- /* set port pin low */
- high_output |= 0x08;
- }
-
- buffer_write(0x82);
- buffer_write(high_output);
- buffer_write(high_direction);
- }
-
- static void flyswatter_jtag_blink(void)
- {
- /*
- * Flyswatter has two LEDs connected to ACBUS2 and ACBUS3
- */
- high_output ^= 0x0c;
-
- buffer_write(0x82);
- buffer_write(high_output);
- buffer_write(high_direction);
- }
-
- static void turtle_jtag_blink(void)
- {
- /*
- * Turtelizer2 has two LEDs connected to ACBUS2 and ACBUS3
- */
- if (high_output & 0x08)
- {
- high_output = 0x04;
- }
- else
- {
- high_output = 0x08;
- }
-
- buffer_write(0x82);
- buffer_write(high_output);
- buffer_write(high_direction);
- }
-
- static int ft2232_quit(void)
- {
- #if BUILD_FT2232_FTD2XX == 1
- FT_STATUS status;
-
- status = FT_Close(ftdih);
- #elif BUILD_FT2232_LIBFTDI == 1
- ftdi_usb_close(&ftdic);
-
- ftdi_deinit(&ftdic);
- #endif
-
- free(ft2232_buffer);
- ft2232_buffer = NULL;
-
- return ERROR_OK;
- }
-
- COMMAND_HANDLER(ft2232_handle_device_desc_command)
- {
- char *cp;
- char buf[200];
- if (CMD_ARGC == 1)
- {
- ft2232_device_desc = strdup(CMD_ARGV[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. */
- if ((cp[-1] == 'A') && (cp[-2]==' ')) {
- /* it was, so make this the "A" version. */
- ft2232_device_desc_A = ft2232_device_desc;
- /* 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 */
- sprintf(buf, "%s A", ft2232_device_desc);
- ft2232_device_desc_A = strdup(buf);
- }
- }
- else
- {
- LOG_ERROR("expected exactly one argument to ft2232_device_desc <description>");
- }
-
- return ERROR_OK;
- }
-
- COMMAND_HANDLER(ft2232_handle_serial_command)
- {
- if (CMD_ARGC == 1)
- {
- ft2232_serial = strdup(CMD_ARGV[0]);
- }
- else
- {
- LOG_ERROR("expected exactly one argument to ft2232_serial <serial-number>");
- }
-
- return ERROR_OK;
- }
-
- COMMAND_HANDLER(ft2232_handle_layout_command)
- {
- if (CMD_ARGC == 0)
- return ERROR_OK;
-
- ft2232_layout = malloc(strlen(CMD_ARGV[0]) + 1);
- strcpy(ft2232_layout, CMD_ARGV[0]);
-
- return ERROR_OK;
- }
-
- COMMAND_HANDLER(ft2232_handle_vid_pid_command)
- {
- if (CMD_ARGC > MAX_USB_IDS * 2)
- {
- LOG_WARNING("ignoring extra IDs in ft2232_vid_pid "
- "(maximum is %d pairs)", MAX_USB_IDS);
- CMD_ARGC = MAX_USB_IDS * 2;
- }
- if (CMD_ARGC < 2 || (CMD_ARGC & 1))
- {
- LOG_WARNING("incomplete ft2232_vid_pid configuration directive");
- if (CMD_ARGC < 2)
- return ERROR_COMMAND_SYNTAX_ERROR;
- /* remove the incomplete trailing id */
- CMD_ARGC -= 1;
- }
-
- unsigned i;
- for (i = 0; i < CMD_ARGC; i += 2)
- {
- COMMAND_PARSE_NUMBER(u16, CMD_ARGV[i], ft2232_vid[i >> 1]);
- COMMAND_PARSE_NUMBER(u16, CMD_ARGV[i + 1], ft2232_pid[i >> 1]);
- }
-
- /*
- * Explicitly terminate, in case there are multiples instances of
- * ft2232_vid_pid.
- */
- ft2232_vid[i >> 1] = ft2232_pid[i >> 1] = 0;
-
- return ERROR_OK;
- }
-
- COMMAND_HANDLER(ft2232_handle_latency_command)
- {
- if (CMD_ARGC == 1)
- {
- ft2232_latency = atoi(CMD_ARGV[0]);
- }
- else
- {
- LOG_ERROR("expected exactly one argument to ft2232_latency <ms>");
- }
-
- return ERROR_OK;
- }
-
- static int ft2232_stableclocks(int num_cycles, struct jtag_command* cmd)
- {
- int retval = 0;
-
- /* 7 bits of either ones or zeros. */
- uint8_t tms = (tap_get_state() == TAP_RESET ? 0x7F : 0x00);
-
- while (num_cycles > 0)
- {
- /* the command 0x4b, "Clock Data to TMS/CS Pin (no Read)" handles
- * at most 7 bits per invocation. Here we invoke it potentially
- * several times.
- */
- int bitcount_per_command = (num_cycles > 7) ? 7 : num_cycles;
-
- if (ft2232_buffer_size + 3 >= FT2232_BUFFER_SIZE)
- {
- if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
- retval = ERROR_JTAG_QUEUE_FAILED;
-
- first_unsent = cmd;
- }
-
- /* there are no state transitions in this code, so omit state tracking */
-
- /* command "Clock Data to TMS/CS Pin (no Read)" */
- buffer_write(0x4b);
-
- /* scan 7 bit */
- buffer_write(bitcount_per_command - 1);
-
- /* TMS data bits are either all zeros or ones to stay in the current stable state */
- buffer_write(tms);
-
- require_send = 1;
-
- num_cycles -= bitcount_per_command;
- }
-
- return retval;
- }
-
- /* ---------------------------------------------------------------------
- * Support for IceBear JTAG adapter from Section5:
- * http://section5.ch/icebear
- *
- * Author: Sten, debian@sansys-electronic.com
- */
-
- /* Icebear pin layout
- *
- * ADBUS5 (nEMU) nSRST | 2 1| GND (10k->VCC)
- * GND GND | 4 3| n.c.
- * ADBUS3 TMS | 6 5| ADBUS6 VCC
- * ADBUS0 TCK | 8 7| ADBUS7 (GND)
- * ADBUS4 nTRST |10 9| ACBUS0 (GND)
- * ADBUS1 TDI |12 11| ACBUS1 (GND)
- * ADBUS2 TDO |14 13| GND GND
- *
- * ADBUS0 O L TCK ACBUS0 GND
- * ADBUS1 O L TDI ACBUS1 GND
- * ADBUS2 I TDO ACBUS2 n.c.
- * ADBUS3 O H TMS ACBUS3 n.c.
- * ADBUS4 O H nTRST
- * ADBUS5 O H nSRST
- * ADBUS6 - VCC
- * ADBUS7 - GND
- */
- static int icebear_jtag_init(void) {
- uint8_t buf[3];
- uint32_t bytes_written;
-
- low_direction = 0x0b; /* output: TCK TDI TMS; input: TDO */
- low_output = 0x08; /* high: TMS; low: TCK TDI */
- nTRST = 0x10;
- nSRST = 0x20;
-
- enum reset_types jtag_reset_config = jtag_get_reset_config();
- if ((jtag_reset_config & RESET_TRST_OPEN_DRAIN) != 0) {
- low_direction &= ~nTRST; /* nTRST high impedance */
- }
- else {
- low_direction |= nTRST;
- low_output |= nTRST;
- }
-
- low_direction |= nSRST;
- low_output |= nSRST;
-
- /* initialize low byte for jtag */
- buf[0] = 0x80; /* command "set data bits low byte" */
- buf[1] = low_output;
- buf[2] = low_direction;
- 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)) {
- LOG_ERROR("couldn't initialize FT2232 with 'IceBear' layout (low)");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- high_output = 0x0;
- high_direction = 0x00;
-
-
- /* initialize high port */
- buf[0] = 0x82; /* command "set data bits high byte" */
- buf[1] = high_output; /* value */
- buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */
- 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)) {
- LOG_ERROR("couldn't initialize FT2232 with 'IceBear' layout (high)");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- return ERROR_OK;
- }
-
- static void icebear_jtag_reset(int trst, int srst) {
-
- if (trst == 1) {
- low_direction |= nTRST;
- low_output &= ~nTRST;
- }
- else if (trst == 0) {
- enum reset_types jtag_reset_config = jtag_get_reset_config();
- if ((jtag_reset_config & RESET_TRST_OPEN_DRAIN) != 0)
- low_direction &= ~nTRST;
- else
- low_output |= nTRST;
- }
-
- if (srst == 1) {
- low_output &= ~nSRST;
- }
- else if (srst == 0) {
- low_output |= nSRST;
- }
-
- /* command "set data bits low byte" */
- buffer_write(0x80);
- buffer_write(low_output);
- buffer_write(low_direction);
-
- LOG_DEBUG("trst: %i, srst: %i, low_output: 0x%2.2x, low_direction: 0x%2.2x", trst, srst, low_output, low_direction);
- }
-
- /* ---------------------------------------------------------------------
- * Support for Signalyzer H2 and Signalyzer H4
- * JTAG adapter from Xverve Technologies Inc.
- * http://www.signalyzer.com or http://www.xverve.com
- *
- * Author: Oleg Seiljus, oleg@signalyzer.com
- */
- static unsigned char signalyzer_h_side;
- static unsigned int signalyzer_h_adapter_type;
-
- static int signalyzer_h_ctrl_write(int address, unsigned short value);
-
- #if BUILD_FT2232_FTD2XX == 1
- static int signalyzer_h_ctrl_read(int address, unsigned short *value);
- #endif
-
- #define SIGNALYZER_COMMAND_ADDR 128
- #define SIGNALYZER_DATA_BUFFER_ADDR 129
-
- #define SIGNALYZER_COMMAND_VERSION 0x41
- #define SIGNALYZER_COMMAND_RESET 0x42
- #define SIGNALYZER_COMMAND_POWERCONTROL_GET 0x50
- #define SIGNALYZER_COMMAND_POWERCONTROL_SET 0x51
- #define SIGNALYZER_COMMAND_PWM_SET 0x52
- #define SIGNALYZER_COMMAND_LED_SET 0x53
- #define SIGNALYZER_COMMAND_ADC 0x54
- #define SIGNALYZER_COMMAND_GPIO_STATE 0x55
- #define SIGNALYZER_COMMAND_GPIO_MODE 0x56
- #define SIGNALYZER_COMMAND_GPIO_PORT 0x57
- #define SIGNALYZER_COMMAND_I2C 0x58
-
- #define SIGNALYZER_CHAN_A 1
- #define SIGNALYZER_CHAN_B 2
- /* LEDS use channel C */
- #define SIGNALYZER_CHAN_C 4
-
- #define SIGNALYZER_LED_GREEN 1
- #define SIGNALYZER_LED_RED 2
-
- #define SIGNALYZER_MODULE_TYPE_EM_LT16_A 0x0301
- #define SIGNALYZER_MODULE_TYPE_EM_ARM_JTAG 0x0302
- #define SIGNALYZER_MODULE_TYPE_EM_JTAG 0x0303
- #define SIGNALYZER_MODULE_TYPE_EM_ARM_JTAG_P 0x0304
- #define SIGNALYZER_MODULE_TYPE_EM_JTAG_P 0x0305
-
-
- static int signalyzer_h_ctrl_write(int address, unsigned short value)
- {
- #if BUILD_FT2232_FTD2XX == 1
- return FT_WriteEE(ftdih, address, value);
- #elif BUILD_FT2232_LIBFTDI == 1
- return 0;
- #endif
- }
-
- #if BUILD_FT2232_FTD2XX == 1
- static int signalyzer_h_ctrl_read(int address, unsigned short *value)
- {
- return FT_ReadEE(ftdih, address, value);
- }
- #endif
-
- static int signalyzer_h_led_set(unsigned char channel, unsigned char led,
- int on_time_ms, int off_time_ms, unsigned char cycles)
- {
- unsigned char on_time;
- unsigned char off_time;
-
- if (on_time_ms < 0xFFFF)
- on_time = (unsigned char)(on_time_ms / 62);
- else
- on_time = 0xFF;
-
- off_time = (unsigned char)(off_time_ms / 62);
-
- #if BUILD_FT2232_FTD2XX == 1
- FT_STATUS status;
-
- if ((status = signalyzer_h_ctrl_write(SIGNALYZER_DATA_BUFFER_ADDR,
- ((uint32_t)(channel << 8) | led))) != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %lu", status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- if ((status = signalyzer_h_ctrl_write(
- (SIGNALYZER_DATA_BUFFER_ADDR + 1),
- ((uint32_t)(on_time << 8) | off_time))) != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %lu", status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- if ((status = signalyzer_h_ctrl_write(
- (SIGNALYZER_DATA_BUFFER_ADDR + 2),
- ((uint32_t)cycles))) != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %lu", status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- if ((status = signalyzer_h_ctrl_write(SIGNALYZER_COMMAND_ADDR,
- SIGNALYZER_COMMAND_LED_SET)) != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %lu", status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- return ERROR_OK;
- #elif BUILD_FT2232_LIBFTDI == 1
- int retval;
-
- if ((retval = signalyzer_h_ctrl_write(SIGNALYZER_DATA_BUFFER_ADDR,
- ((uint32_t)(channel << 8) | led))) < 0)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %s",
- ftdi_get_error_string(&ftdic));
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- if ((retval = signalyzer_h_ctrl_write(
- (SIGNALYZER_DATA_BUFFER_ADDR + 1),
- ((uint32_t)(on_time << 8) | off_time))) < 0)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %s",
- ftdi_get_error_string(&ftdic));
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- if ((retval = signalyzer_h_ctrl_write(
- (SIGNALYZER_DATA_BUFFER_ADDR + 2),
- (uint32_t)cycles)) < 0)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %s",
- ftdi_get_error_string(&ftdic));
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- if ((retval = signalyzer_h_ctrl_write(SIGNALYZER_COMMAND_ADDR,
- SIGNALYZER_COMMAND_LED_SET)) < 0)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %s",
- ftdi_get_error_string(&ftdic));
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- return ERROR_OK;
- #endif
- }
-
- static int signalyzer_h_init(void)
- {
- #if BUILD_FT2232_FTD2XX == 1
- FT_STATUS status;
- int i;
- #endif
-
- char *end_of_desc;
-
- uint16_t read_buf[12] = { 0 };
- uint8_t buf[3];
- uint32_t bytes_written;
-
- /* turn on center green led */
- signalyzer_h_led_set(SIGNALYZER_CHAN_C, SIGNALYZER_LED_GREEN,
- 0xFFFF, 0x00, 0x00);
-
- /* determine what channel config wants to open
- * TODO: change me... current implementation is made to work
- * with openocd description parsing.
- */
- end_of_desc = strrchr(ft2232_device_desc, 0x00);
-
- if (end_of_desc)
- {
- signalyzer_h_side = *(end_of_desc - 1);
- if (signalyzer_h_side == 'B')
- signalyzer_h_side = SIGNALYZER_CHAN_B;
- else
- signalyzer_h_side = SIGNALYZER_CHAN_A;
- }
- else
- {
- LOG_ERROR("No Channel was specified");
- return ERROR_FAIL;
- }
-
- signalyzer_h_led_set(signalyzer_h_side, SIGNALYZER_LED_GREEN,
- 1000, 1000, 0xFF);
-
- #if BUILD_FT2232_FTD2XX == 1
- /* read signalyzer versionining information */
- if ((status = signalyzer_h_ctrl_write(SIGNALYZER_COMMAND_ADDR,
- SIGNALYZER_COMMAND_VERSION)) != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %lu", status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- for (i = 0; i < 10; i++)
- {
- if ((status = signalyzer_h_ctrl_read(
- (SIGNALYZER_DATA_BUFFER_ADDR + i),
- &read_buf[i])) != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_read returned: %lu",
- status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
- }
-
- LOG_INFO("Signalyzer: ID info: { %.4x %.4x %.4x %.4x %.4x %.4x %.4x }",
- read_buf[0], read_buf[1], read_buf[2], read_buf[3],
- read_buf[4], read_buf[5], read_buf[6]);
-
- /* set gpio register */
- if ((status = signalyzer_h_ctrl_write(SIGNALYZER_DATA_BUFFER_ADDR,
- (uint32_t)(signalyzer_h_side << 8))) != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %lu", status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- if ((status = signalyzer_h_ctrl_write(SIGNALYZER_DATA_BUFFER_ADDR + 1,
- 0x0404)) != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %lu", status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- if ((status = signalyzer_h_ctrl_write(SIGNALYZER_COMMAND_ADDR,
- SIGNALYZER_COMMAND_GPIO_STATE)) != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %lu", status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- /* read adapter type information */
- if ((status = signalyzer_h_ctrl_write(SIGNALYZER_DATA_BUFFER_ADDR,
- ((uint32_t)(signalyzer_h_side << 8) | 0x01))) != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %lu", status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- if ((status = signalyzer_h_ctrl_write(
- (SIGNALYZER_DATA_BUFFER_ADDR + 1), 0xA000)) != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %lu", status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- if ((status = signalyzer_h_ctrl_write(
- (SIGNALYZER_DATA_BUFFER_ADDR + 2), 0x0008)) != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %lu", status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- if ((status = signalyzer_h_ctrl_write(SIGNALYZER_COMMAND_ADDR,
- SIGNALYZER_COMMAND_I2C)) != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %lu", status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- usleep(100000);
-
- if ((status = signalyzer_h_ctrl_read(SIGNALYZER_COMMAND_ADDR,
- &read_buf[0])) != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_read returned: %lu", status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- if (read_buf[0] != 0x0498)
- signalyzer_h_adapter_type = 0x0000;
- else
- {
- for (i = 0; i < 4; i++)
- {
- if ((status = signalyzer_h_ctrl_read(
- (SIGNALYZER_DATA_BUFFER_ADDR + i),
- &read_buf[i])) != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_read returned: %lu",
- status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
- }
-
- signalyzer_h_adapter_type = read_buf[0];
- }
-
- #elif BUILD_FT2232_LIBFTDI == 1
- /* currently libftdi does not allow reading individual eeprom
- * locations, therefore adapter type cannot be detected.
- * override with most common type
- */
- signalyzer_h_adapter_type = SIGNALYZER_MODULE_TYPE_EM_ARM_JTAG;
- #endif
-
- enum reset_types jtag_reset_config = jtag_get_reset_config();
-
- /* ADAPTOR: EM_LT16_A */
- if (signalyzer_h_adapter_type == SIGNALYZER_MODULE_TYPE_EM_LT16_A)
- {
- LOG_INFO("Signalyzer: EM-LT (16-channel level translator) "
- "detected. (HW: %2x).", (read_buf[1] >> 8));
-
- nTRST = 0x10;
- nTRSTnOE = 0x10;
- nSRST = 0x20;
- nSRSTnOE = 0x20;
-
- low_output = 0x08;
- low_direction = 0x1b;
-
- high_output = 0x0;
- high_direction = 0x0;
-
- if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
- {
- low_direction &= ~nTRSTnOE; /* nTRST input */
- low_output &= ~nTRST; /* nTRST = 0 */
- }
- else
- {
- low_direction |= nTRSTnOE; /* nTRST output */
- low_output |= nTRST; /* nTRST = 1 */
- }
-
- if (jtag_reset_config & RESET_SRST_PUSH_PULL)
- {
- low_direction |= nSRSTnOE; /* nSRST output */
- low_output |= nSRST; /* nSRST = 1 */
- }
- else
- {
- low_direction &= ~nSRSTnOE; /* nSRST input */
- low_output &= ~nSRST; /* nSRST = 0 */
- }
-
- #if BUILD_FT2232_FTD2XX == 1
- /* enable power to the module */
- if ((status = signalyzer_h_ctrl_write(
- SIGNALYZER_DATA_BUFFER_ADDR,
- ((uint32_t)(signalyzer_h_side << 8) | 0x01)))
- != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
- status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- if ((status = signalyzer_h_ctrl_write(SIGNALYZER_COMMAND_ADDR,
- SIGNALYZER_COMMAND_POWERCONTROL_SET)) != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
- status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- /* set gpio mode register */
- if ((status = signalyzer_h_ctrl_write(
- SIGNALYZER_DATA_BUFFER_ADDR,
- (uint32_t)(signalyzer_h_side << 8))) != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
- status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- if ((status = signalyzer_h_ctrl_write(
- SIGNALYZER_DATA_BUFFER_ADDR + 1, 0x0000))
- != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
- status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- if ((status = signalyzer_h_ctrl_write(SIGNALYZER_COMMAND_ADDR,
- SIGNALYZER_COMMAND_GPIO_MODE)) != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
- status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- /* set gpio register */
- if ((status = signalyzer_h_ctrl_write(
- SIGNALYZER_DATA_BUFFER_ADDR,
- (uint32_t)(signalyzer_h_side << 8))) != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
- status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- if ((status = signalyzer_h_ctrl_write(
- SIGNALYZER_DATA_BUFFER_ADDR + 1, 0x4040))
- != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
- status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- if ((status = signalyzer_h_ctrl_write(
- SIGNALYZER_COMMAND_ADDR,
- SIGNALYZER_COMMAND_GPIO_STATE)) != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
- status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
- #endif
- }
-
- /* ADAPTOR: EM_ARM_JTAG, EM_ARM_JTAG_P, EM_JTAG, EM_JTAG_P */
- else if ((signalyzer_h_adapter_type == SIGNALYZER_MODULE_TYPE_EM_ARM_JTAG) ||
- (signalyzer_h_adapter_type == SIGNALYZER_MODULE_TYPE_EM_ARM_JTAG_P) ||
- (signalyzer_h_adapter_type == SIGNALYZER_MODULE_TYPE_EM_JTAG) ||
- (signalyzer_h_adapter_type == SIGNALYZER_MODULE_TYPE_EM_JTAG_P))
- {
- if (signalyzer_h_adapter_type
- == SIGNALYZER_MODULE_TYPE_EM_ARM_JTAG)
- LOG_INFO("Signalyzer: EM-ARM-JTAG (ARM JTAG) "
- "detected. (HW: %2x).", (read_buf[1] >> 8));
- else if (signalyzer_h_adapter_type
- == SIGNALYZER_MODULE_TYPE_EM_ARM_JTAG_P)
- LOG_INFO("Signalyzer: EM-ARM-JTAG_P "
- "(ARM JTAG with PSU) detected. (HW: %2x).",
- (read_buf[1] >> 8));
- else if (signalyzer_h_adapter_type
- == SIGNALYZER_MODULE_TYPE_EM_JTAG)
- LOG_INFO("Signalyzer: EM-JTAG (Generic JTAG) "
- "detected. (HW: %2x).", (read_buf[1] >> 8));
- else if (signalyzer_h_adapter_type
- == SIGNALYZER_MODULE_TYPE_EM_JTAG_P)
- LOG_INFO("Signalyzer: EM-JTAG-P "
- "(Generic JTAG with PSU) detected. (HW: %2x).",
- (read_buf[1] >> 8));
-
- nTRST = 0x02;
- nTRSTnOE = 0x04;
- nSRST = 0x08;
- nSRSTnOE = 0x10;
-
- low_output = 0x08;
- low_direction = 0x1b;
-
- high_output = 0x0;
- high_direction = 0x1f;
-
- if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
- {
- high_output |= nTRSTnOE;
- high_output &= ~nTRST;
- }
- else
- {
- high_output &= ~nTRSTnOE;
- high_output |= nTRST;
- }
-
- if (jtag_reset_config & RESET_SRST_PUSH_PULL)
- {
- high_output &= ~nSRSTnOE;
- high_output |= nSRST;
- }
- else
- {
- high_output |= nSRSTnOE;
- high_output &= ~nSRST;
- }
-
- #if BUILD_FT2232_FTD2XX == 1
- /* enable power to the module */
- if ((status = signalyzer_h_ctrl_write(
- SIGNALYZER_DATA_BUFFER_ADDR,
- ((uint32_t)(signalyzer_h_side << 8) | 0x01)))
- != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
- status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- if ((status = signalyzer_h_ctrl_write(
- SIGNALYZER_COMMAND_ADDR,
- SIGNALYZER_COMMAND_POWERCONTROL_SET)) != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
- status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- /* set gpio mode register (IO_16 and IO_17 set as analog
- * inputs, other is gpio)
- */
- if ((status = signalyzer_h_ctrl_write(
- SIGNALYZER_DATA_BUFFER_ADDR,
- (uint32_t)(signalyzer_h_side << 8))) != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
- status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- if ((status = signalyzer_h_ctrl_write(
- SIGNALYZER_DATA_BUFFER_ADDR + 1, 0x0060))
- != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
- status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- if ((status = signalyzer_h_ctrl_write(
- SIGNALYZER_COMMAND_ADDR,
- SIGNALYZER_COMMAND_GPIO_MODE)) != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
- status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- /* set gpio register (all inputs, for -P modules,
- * PSU will be turned off)
- */
- if ((status = signalyzer_h_ctrl_write(
- SIGNALYZER_DATA_BUFFER_ADDR,
- (uint32_t)(signalyzer_h_side << 8))) != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
- status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- if ((status = signalyzer_h_ctrl_write(
- SIGNALYZER_DATA_BUFFER_ADDR + 1, 0x0000))
- != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
- status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- if ((status = signalyzer_h_ctrl_write(
- SIGNALYZER_COMMAND_ADDR,
- SIGNALYZER_COMMAND_GPIO_STATE)) != FT_OK)
- {
- LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
- status);
- return ERROR_JTAG_DEVICE_ERROR;
- }
- #endif
- }
-
- else if (signalyzer_h_adapter_type == 0x0000)
- {
- LOG_INFO("Signalyzer: No external modules were detected.");
-
- nTRST = 0x10;
- nTRSTnOE = 0x10;
- nSRST = 0x20;
- nSRSTnOE = 0x20;
-
- low_output = 0x08;
- low_direction = 0x1b;
-
- high_output = 0x0;
- high_direction = 0x0;
-
- if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
- {
- low_direction &= ~nTRSTnOE; /* nTRST input */
- low_output &= ~nTRST; /* nTRST = 0 */
- }
- else
- {
- low_direction |= nTRSTnOE; /* nTRST output */
- low_output |= nTRST; /* nTRST = 1 */
- }
-
- if (jtag_reset_config & RESET_SRST_PUSH_PULL)
- {
- low_direction |= nSRSTnOE; /* nSRST output */
- low_output |= nSRST; /* nSRST = 1 */
- }
- else
- {
- low_direction &= ~nSRSTnOE; /* nSRST input */
- low_output &= ~nSRST; /* nSRST = 0 */
- }
- }
- else
- {
- LOG_ERROR("Unknown module type is detected: %.4x",
- signalyzer_h_adapter_type);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- /* initialize low byte of controller for jtag operation */
- buf[0] = 0x80;
- buf[1] = low_output;
- buf[2] = low_direction;
-
- if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK)
- || (bytes_written != 3))
- {
- LOG_ERROR("couldn't initialize Signalyzer-H layout");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- #if BUILD_FT2232_FTD2XX == 1
- if (ftdi_device == FT_DEVICE_2232H)
- {
- /* initialize high byte of controller for jtag operation */
- buf[0] = 0x82;
- buf[1] = high_output;
- buf[2] = high_direction;
-
- if ((ft2232_write(buf, 3, &bytes_written) != ERROR_OK)
- || (bytes_written != 3))
- {
- LOG_ERROR("couldn't initialize Signalyzer-H layout");
- return ERROR_JTAG_INIT_FAILED;
- }
- }
- #elif BUILD_FT2232_LIBFTDI == 1
- if (ftdi_device == TYPE_2232H)
- {
- /* initialize high byte of controller for jtag operation */
- buf[0] = 0x82;
- buf[1] = high_output;
- buf[2] = high_direction;
-
- if ((ft2232_write(buf, 3, &bytes_written) != ERROR_OK)
- || (bytes_written != 3))
- {
- LOG_ERROR("couldn't initialize Signalyzer-H layout");
- return ERROR_JTAG_INIT_FAILED;
- }
- }
- #endif
- return ERROR_OK;
- }
-
- static void signalyzer_h_reset(int trst, int srst)
- {
- enum reset_types jtag_reset_config = jtag_get_reset_config();
-
- /* ADAPTOR: EM_LT16_A */
- if (signalyzer_h_adapter_type == SIGNALYZER_MODULE_TYPE_EM_LT16_A)
- {
- if (trst == 1)
- {
- if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
- /* switch to output pin (output is low) */
- low_direction |= nTRSTnOE;
- else
- /* switch output low */
- low_output &= ~nTRST;
- }
- else if (trst == 0)
- {
- if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
- /* switch to input pin (high-Z + internal
- * and external pullup) */
- low_direction &= ~nTRSTnOE;
- else
- /* switch output high */
- low_output |= nTRST;
- }
-
- if (srst == 1)
- {
- if (jtag_reset_config & RESET_SRST_PUSH_PULL)
- /* switch output low */
- low_output &= ~nSRST;
- else
- /* switch to output pin (output is low) */
- low_direction |= nSRSTnOE;
- }
- else if (srst == 0)
- {
- if (jtag_reset_config & RESET_SRST_PUSH_PULL)
- /* switch output high */
- low_output |= nSRST;
- else
- /* switch to input pin (high-Z) */
- low_direction &= ~nSRSTnOE;
- }
-
- /* command "set data bits low byte" */
- buffer_write(0x80);
- buffer_write(low_output);
- buffer_write(low_direction);
- LOG_DEBUG("trst: %i, srst: %i, low_output: 0x%2.2x, "
- "low_direction: 0x%2.2x",
- trst, srst, low_output, low_direction);
- }
- /* ADAPTOR: EM_ARM_JTAG, EM_ARM_JTAG_P, EM_JTAG, EM_JTAG_P */
- else if ((signalyzer_h_adapter_type == SIGNALYZER_MODULE_TYPE_EM_ARM_JTAG) ||
- (signalyzer_h_adapter_type == SIGNALYZER_MODULE_TYPE_EM_ARM_JTAG_P) ||
- (signalyzer_h_adapter_type == SIGNALYZER_MODULE_TYPE_EM_JTAG) ||
- (signalyzer_h_adapter_type == SIGNALYZER_MODULE_TYPE_EM_JTAG_P))
- {
- if (trst == 1)
- {
- if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
- high_output &= ~nTRSTnOE;
- else
- high_output &= ~nTRST;
- }
- else if (trst == 0)
- {
- if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
- high_output |= nTRSTnOE;
- else
- high_output |= nTRST;
- }
-
- if (srst == 1)
- {
- if (jtag_reset_config & RESET_SRST_PUSH_PULL)
- high_output &= ~nSRST;
- else
- high_output &= ~nSRSTnOE;
- }
- else if (srst == 0)
- {
- if (jtag_reset_config & RESET_SRST_PUSH_PULL)
- high_output |= nSRST;
- else
- high_output |= nSRSTnOE;
- }
-
- /* command "set data bits high byte" */
- buffer_write(0x82);
- buffer_write(high_output);
- buffer_write(high_direction);
- LOG_INFO("trst: %i, srst: %i, high_output: 0x%2.2x, "
- "high_direction: 0x%2.2x",
- trst, srst, high_output, high_direction);
- }
- else if (signalyzer_h_adapter_type == 0x0000)
- {
- if (trst == 1)
- {
- if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
- /* switch to output pin (output is low) */
- low_direction |= nTRSTnOE;
- else
- /* switch output low */
- low_output &= ~nTRST;
- }
- else if (trst == 0)
- {
- if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
- /* switch to input pin (high-Z + internal
- * and external pullup) */
- low_direction &= ~nTRSTnOE;
- else
- /* switch output high */
- low_output |= nTRST;
- }
-
- if (srst == 1)
- {
- if (jtag_reset_config & RESET_SRST_PUSH_PULL)
- /* switch output low */
- low_output &= ~nSRST;
- else
- /* switch to output pin (output is low) */
- low_direction |= nSRSTnOE;
- }
- else if (srst == 0)
- {
- if (jtag_reset_config & RESET_SRST_PUSH_PULL)
- /* switch output high */
- low_output |= nSRST;
- else
- /* switch to input pin (high-Z) */
- low_direction &= ~nSRSTnOE;
- }
-
- /* command "set data bits low byte" */
- buffer_write(0x80);
- buffer_write(low_output);
- buffer_write(low_direction);
- LOG_DEBUG("trst: %i, srst: %i, low_output: 0x%2.2x, "
- "low_direction: 0x%2.2x",
- trst, srst, low_output, low_direction);
- }
- }
-
- static void signalyzer_h_blink(void)
- {
- signalyzer_h_led_set(signalyzer_h_side, SIGNALYZER_LED_RED, 100, 0, 1);
- }
-
- /********************************************************************
- * Support for KT-LINK
- * JTAG adapter from KRISTECH
- * http://www.kristech.eu
- *******************************************************************/
- static int ktlink_init(void)
- {
- uint8_t buf[3];
- uint32_t bytes_written;
- uint8_t swd_en = 0x20; //0x20 SWD disable, 0x00 SWD enable (ADBUS5)
-
- low_output = 0x08 | swd_en; // value; TMS=1,TCK=0,TDI=0,SWD=swd_en
- low_direction = 0x3B; // out=1; TCK/TDI/TMS=out,TDO=in,SWD=out,RTCK=in,SRSTIN=in
-
- // initialize low port
- buf[0] = 0x80; // command "set data bits low byte"
- buf[1] = low_output;
- buf[2] = low_direction;
- 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))
- {
- LOG_ERROR("couldn't initialize FT2232 with 'ktlink' layout");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- nTRST = 0x01;
- nSRST = 0x02;
- nTRSTnOE = 0x04;
- nSRSTnOE = 0x08;
-
- high_output = 0x80; // turn LED on
- high_direction = 0xFF; // all outputs
-
- enum reset_types jtag_reset_config = jtag_get_reset_config();
-
- if (jtag_reset_config & RESET_TRST_OPEN_DRAIN) {
- high_output |= nTRSTnOE;
- high_output &= ~nTRST;
- } else {
- high_output &= ~nTRSTnOE;
- high_output |= nTRST;
- }
-
- if (jtag_reset_config & RESET_SRST_PUSH_PULL) {
- high_output &= ~nSRSTnOE;
- high_output |= nSRST;
- } else {
- high_output |= nSRSTnOE;
- high_output &= ~nSRST;
- }
-
- // initialize high port
- buf[0] = 0x82; // command "set data bits high byte"
- buf[1] = high_output; // value
- buf[2] = high_direction;
- 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))
- {
- LOG_ERROR("couldn't initialize FT2232 with 'ktlink' layout");
- return ERROR_JTAG_INIT_FAILED;
- }
-
- return ERROR_OK;
- }
-
- static void ktlink_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)
- high_output &= ~nTRSTnOE;
- else
- high_output &= ~nTRST;
- } else if (trst == 0) {
- if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
- high_output |= nTRSTnOE;
- else
- high_output |= nTRST;
- }
-
- if (srst == 1) {
- if (jtag_reset_config & RESET_SRST_PUSH_PULL)
- high_output &= ~nSRST;
- else
- high_output &= ~nSRSTnOE;
- } else if (srst == 0) {
- if (jtag_reset_config & RESET_SRST_PUSH_PULL)
- high_output |= nSRST;
- else
- high_output |= nSRSTnOE;
- }
-
- buffer_write(0x82); // command "set data bits high byte"
- buffer_write(high_output);
- buffer_write(high_direction);
- LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output,high_direction);
- }
-
- static void ktlink_blink(void)
- {
- /* LED connected to ACBUS7 */
- if (high_output & 0x80)
- high_output &= 0x7F;
- else
- high_output |= 0x80;
-
- buffer_write(0x82); // command "set data bits high byte"
- buffer_write(high_output);
- buffer_write(high_direction);
- }
-
- static int ft2232_register_commands(struct command_context* cmd_ctx)
- {
- COMMAND_REGISTER(cmd_ctx, NULL, "ft2232_device_desc",
- ft2232_handle_device_desc_command, COMMAND_CONFIG,
- "the USB device description of the FTDI FT2232 device");
- COMMAND_REGISTER(cmd_ctx, NULL, "ft2232_serial",
- ft2232_handle_serial_command, COMMAND_CONFIG,
- "the serial number of the FTDI FT2232 device");
- COMMAND_REGISTER(cmd_ctx, NULL, "ft2232_layout",
- ft2232_handle_layout_command, COMMAND_CONFIG,
- "the layout of the FT2232 GPIO signals used "
- "to control output-enables and reset signals");
- COMMAND_REGISTER(cmd_ctx, NULL, "ft2232_vid_pid",
- ft2232_handle_vid_pid_command, COMMAND_CONFIG,
- "the vendor ID and product ID of the FTDI FT2232 device");
- COMMAND_REGISTER(cmd_ctx, NULL, "ft2232_latency",
- ft2232_handle_latency_command, COMMAND_CONFIG,
- "set the FT2232 latency timer to a new value");
-
- return ERROR_OK;
- }
-
-
- struct jtag_interface ft2232_interface = {
- .name = "ft2232",
- .register_commands = &ft2232_register_commands,
- .init = &ft2232_init,
- .quit = &ft2232_quit,
- .speed = &ft2232_speed,
- .speed_div = &ft2232_speed_div,
- .khz = &ft2232_khz,
- .execute_queue = &ft2232_execute_queue,
- };
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