X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fjtag%2Fft2232.c;h=7acdf1a04802c97f6c2ffcb535d2eae67103d796;hp=9bcd1660168d136dd7bbbd778ec125316160a26f;hb=a94748ec6da9bdc6e25a7f73bbea723b8b55fa33;hpb=4b9f6fcdb7581abf81fc1eea2330e4b9079b5772 diff --git a/src/jtag/ft2232.c b/src/jtag/ft2232.c index 9bcd166016..7acdf1a048 100644 --- a/src/jtag/ft2232.c +++ b/src/jtag/ft2232.c @@ -1,4 +1,10 @@ /*************************************************************************** +* Copyright (C) 2009 by Øyvind Harboe * +* Øyvind Harboe * +* * +* Copyright (C) 2009 by SoftPLC Corporation. http://softplc.com * +* Dick Hollenbeck * +* * * Copyright (C) 2004, 2006 by Dominic Rath * * Dominic.Rath@gmx.de * * * @@ -21,35 +27,35 @@ * 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" +#include #endif -#include "replacements.h" - -/* project specific includes */ -#include "log.h" -#include "types.h" -#include "jtag.h" -#include "configuration.h" -#include "time_support.h" +#include -/* system includes */ -#include -#include -#include +#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 @@ -58,62 +64,77 @@ #include #endif -static int ft2232_execute_queue(void); - -static int ft2232_speed(int speed); -static int ft2232_speed_div(int speed, int* khz); -static int ft2232_khz(int khz, int* jtag_speed); -static int ft2232_register_commands(struct command_context_s* cmd_ctx); -static int ft2232_init(void); -static int ft2232_quit(void); - -static int ft2232_handle_device_desc_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc); -static int ft2232_handle_serial_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc); -static int ft2232_handle_layout_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc); -static int ft2232_handle_vid_pid_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc); -static int ft2232_handle_latency_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc); - +/* 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 /** - * Function ft2232_stableclocks - * will 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 is the count of clocks cycles to send. - * @return int - ERROR_OK or ERROR_JTAG_QUEUE_FAILED + * 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, jtag_command_t* cmd); +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 unsigned char ft2232_latency = 2; +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 u16 ft2232_vid[MAX_USB_IDS + 1] = { 0x0403, 0 }; -static u16 ft2232_pid[MAX_USB_IDS + 1] = { 0x6010, 0 }; +static uint16_t ft2232_vid[MAX_USB_IDS + 1] = { 0x0403, 0 }; +static uint16_t ft2232_pid[MAX_USB_IDS + 1] = { 0x6010, 0 }; -typedef struct ft2232_layout_s -{ +struct ft2232_layout { char* name; int (*init)(void); void (*reset)(int trst, int srst); void (*blink)(void); -} ft2232_layout_t; +}; /* 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 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); @@ -125,13 +146,18 @@ 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); -ft2232_layout_t ft2232_layouts[] = +static const struct ft2232_layout ft2232_layouts[] = { { "usbjtag", usbjtag_init, usbjtag_reset, NULL }, { "jtagkey", jtagkey_init, jtagkey_reset, NULL }, @@ -139,61 +165,181 @@ ft2232_layout_t ft2232_layouts[] = { "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 }, + { "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 u8 nTRST, nTRSTnOE, nSRST, nSRSTnOE; +static uint8_t nTRST, nTRSTnOE, nSRST, nSRSTnOE; -static ft2232_layout_t* layout; -static u8 low_output = 0x0; -static u8 low_direction = 0x0; -static u8 high_output = 0x0; -static u8 high_direction = 0x0; +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_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 jtag_command_t* first_unsent; /* next command that has to be sent */ +static struct jtag_command* first_unsent; /* next command that has to be sent */ static int require_send; -static u8* ft2232_buffer = NULL; +/* 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; -#define FT2232_BUFFER_SIZE 131072 -#define BUFFER_ADD ft2232_buffer[ft2232_buffer_size++] -#define BUFFER_READ ft2232_buffer[ft2232_read_pointer++] - -jtag_interface_t ft2232_interface = -{ - .name = "ft2232", - .execute_queue = ft2232_execute_queue, - .speed = ft2232_speed, - .speed_div = ft2232_speed_div, - .khz = ft2232_khz, - .register_commands = ft2232_register_commands, - .init = ft2232_init, - .quit = ft2232_quit, -}; +/** + * 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); -static int ft2232_write(u8* buf, int size, u32* bytes_written) + 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 ) + 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); @@ -206,10 +352,10 @@ static int ft2232_write(u8* buf, int size, u32* bytes_written) } #elif BUILD_FT2232_LIBFTDI == 1 int retval; - if ( ( retval = ftdi_write_data(&ftdic, buf, size) ) < 0 ) + if ((retval = ftdi_write_data(&ftdic, buf, size)) < 0) { *bytes_written = 0; - LOG_ERROR( "ftdi_write_data: %s", ftdi_get_error_string(&ftdic) ); + LOG_ERROR("ftdi_write_data: %s", ftdi_get_error_string(&ftdic)); return ERROR_JTAG_DEVICE_ERROR; } else @@ -220,19 +366,18 @@ static int ft2232_write(u8* buf, int size, u32* bytes_written) #endif } - -static int ft2232_read(u8* buf, u32 size, u32* bytes_read) +static int ft2232_read(uint8_t* buf, uint32_t size, uint32_t* bytes_read) { #if BUILD_FT2232_FTD2XX == 1 - DWORD dw_bytes_read; + DWORD dw_bytes_read; FT_STATUS status; - int timeout = 5; + int timeout = 5; *bytes_read = 0; - while ( (*bytes_read < size) && timeout-- ) + while ((*bytes_read < size) && timeout--) { - if ( ( status = FT_Read(ftdih, buf + *bytes_read, size - - *bytes_read, &dw_bytes_read) ) != FT_OK ) + 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); @@ -243,15 +388,15 @@ static int ft2232_read(u8* buf, u32 size, u32* bytes_read) #elif BUILD_FT2232_LIBFTDI == 1 int retval; - int timeout = 100; + int timeout = LIBFTDI_READ_RETRY_COUNT; *bytes_read = 0; - while ( (*bytes_read < size) && timeout-- ) + while ((*bytes_read < size) && timeout--) { - if ( ( retval = ftdi_read_data(&ftdic, buf + *bytes_read, size - *bytes_read) ) < 0 ) + 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) ); + LOG_ERROR("ftdi_read_data: %s", ftdi_get_error_string(&ftdic)); return ERROR_JTAG_DEVICE_ERROR; } *bytes_read += retval; @@ -261,26 +406,96 @@ static int ft2232_read(u8* buf, u32 size, u32* bytes_read) if (*bytes_read < size) { - LOG_ERROR("couldn't read the requested number of bytes from FT2232 device (%i < %i)", *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) { - u8 buf[3]; + uint8_t buf[3]; int retval; - u32 bytes_written; + 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 */ + 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) ) + if (((retval = ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3)) { LOG_ERROR("couldn't set FT2232 TCK speed"); return retval; @@ -289,25 +504,31 @@ static int ft2232_speed(int speed) 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 = 6000 / (1 + speed); + *khz = (RTCK_SPEED == speed) ? 0 : ft2232_max_tck / (1 + speed); return ERROR_OK; } - static int ft2232_khz(int khz, int* jtag_speed) { - if (khz==0) + if (khz == 0) { - LOG_ERROR("RCLK not supported"); - return ERROR_FAIL; + 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, @@ -317,9 +538,9 @@ static int ft2232_khz(int khz, int* jtag_speed) * We will calc here with a multiplier * of 10 for better rounding later. */ - /* Calc speed, (6000 / khz) - 1 */ + /* Calc speed, (ft2232_max_tck / khz) - 1 */ /* Use 65000 for better rounding */ - *jtag_speed = (60000 / khz) - 10; + *jtag_speed = ((ft2232_max_tck*10) / khz) - 10; /* Add 0.9 for rounding */ *jtag_speed += 9; @@ -342,36 +563,18 @@ static int ft2232_khz(int khz, int* jtag_speed) return ERROR_OK; } - -static int ft2232_register_commands(struct command_context_s* cmd_ctx) -{ - register_command(cmd_ctx, NULL, "ft2232_device_desc", ft2232_handle_device_desc_command, - COMMAND_CONFIG, "the USB device description of the FTDI FT2232 device"); - register_command(cmd_ctx, NULL, "ft2232_serial", ft2232_handle_serial_command, - COMMAND_CONFIG, "the serial number of the FTDI FT2232 device"); - register_command(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"); - register_command(cmd_ctx, NULL, "ft2232_vid_pid", ft2232_handle_vid_pid_command, - COMMAND_CONFIG, "the vendor ID and product ID of the FTDI FT2232 device"); - register_command(cmd_ctx, NULL, "ft2232_latency", ft2232_handle_latency_command, - COMMAND_CONFIG, "set the FT2232 latency timer to a new value"); - return ERROR_OK; -} - - -void ft2232_end_state(tap_state_t state) +static void ft2232_end_state(tap_state_t state) { if (tap_is_state_stable(state)) tap_set_end_state(state); else { - LOG_ERROR("BUG: %i is not a valid end state", state); + 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, u8* buffer, int scan_size) +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; @@ -379,26 +582,25 @@ static void ft2232_read_scan(enum scan_type type, u8* buffer, int scan_size) while (num_bytes-- > 1) { - buffer[cur_byte] = BUFFER_READ; - cur_byte++; + 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; + buffer[cur_byte] = buffer_read() >> 1; } - - buffer[cur_byte] = ( buffer[cur_byte] | ( (BUFFER_READ & 0x02) << 6 ) ) >> (8 - bits_left); + /* 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]; + int i; + char line[256]; char* line_p = line; for (i = 0; i < ft2232_buffer_size; i++) @@ -415,16 +617,15 @@ static void ft2232_debug_dump_buffer(void) LOG_DEBUG("%s", line); } - -static int ft2232_send_and_recv(jtag_command_t* first, jtag_command_t* last) +static int ft2232_send_and_recv(struct jtag_command* first, struct jtag_command* last) { - jtag_command_t* cmd; - u8* buffer; - int scan_size; + struct jtag_command* cmd; + uint8_t* buffer; + int scan_size; enum scan_type type; - int retval; - u32 bytes_written=0; - u32 bytes_read=0; + int retval; + uint32_t bytes_written = 0; + uint32_t bytes_read = 0; #ifdef _DEBUG_USB_IO_ struct timeval start, inter, inter2, end; @@ -440,7 +641,7 @@ static int ft2232_send_and_recv(jtag_command_t* first, jtag_command_t* last) gettimeofday(&start, NULL); #endif - if ( ( retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written) ) != ERROR_OK ) + if ((retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written)) != ERROR_OK) { LOG_ERROR("couldn't write MPSSE commands to FT2232"); return retval; @@ -452,14 +653,15 @@ static int ft2232_send_and_recv(jtag_command_t* first, jtag_command_t* last) if (ft2232_expect_read) { - int timeout = 100; + /* 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 ) + if ((retval = ft2232_read(ft2232_buffer, ft2232_expect_read, &bytes_read)) != ERROR_OK) { LOG_ERROR("couldn't read from FT2232"); return retval; @@ -482,16 +684,21 @@ static int ft2232_send_and_recv(jtag_command_t* first, jtag_command_t* last) if (ft2232_expect_read != ft2232_buffer_size) { - LOG_ERROR("ft2232_expect_read (%i) != ft2232_buffer_size (%i) (%i retries)", ft2232_expect_read, + LOG_ERROR("ft2232_expect_read (%i) != " + "ft2232_buffer_size (%i) " + "(%i retries)", + ft2232_expect_read, ft2232_buffer_size, - 100 - timeout); + LIBFTDI_READ_RETRY_COUNT - timeout); ft2232_debug_dump_buffer(); exit(-1); } #ifdef _DEBUG_USB_COMMS_ - LOG_DEBUG("read buffer (%i retries): %i bytes", 100 - timeout, ft2232_buffer_size); + LOG_DEBUG("read buffer (%i retries): %i bytes", + LIBFTDI_READ_RETRY_COUNT - timeout, + ft2232_buffer_size); ft2232_debug_dump_buffer(); #endif } @@ -514,7 +721,7 @@ static int ft2232_send_and_recv(jtag_command_t* first, jtag_command_t* last) if (type != SCAN_OUT) { scan_size = jtag_scan_size(cmd->cmd.scan); - buffer = calloc(CEIL(scan_size, 8), 1); + 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; @@ -534,78 +741,84 @@ static int ft2232_send_and_recv(jtag_command_t* first, jtag_command_t* last) return retval; } - -static void ft2232_add_pathmove(pathmove_command_t* cmd) +/** + * 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 num_states = cmd->num_states; int state_count = 0; - while (num_states) - { - u8 tms_byte = 0; /* zero this on each MPSSE batch */ + assert((unsigned) num_states <= 32u); /* tms_bits only holds 32 bits */ - int bit_count = 0; + DEBUG_JTAG_IO("-"); - int num_states_batch = num_states > 7 ? 7 : num_states; + /* 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_ADD = 0x4b; + buffer_write(0x4b); /* number of states remaining */ - BUFFER_ADD = num_states_batch - 1; + buffer_write(num_states_batch - 1); - while (num_states_batch--) - { - if (tap_state_transition(tap_get_state(), false) == cmd->path[state_count]) + 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) == cmd->path[state_count]) + else if (tap_state_transition(tap_get_state(), true) + == path[state_count]) buf_set_u32(&tms_byte, bit_count++, 1, 0x1); - else - { - LOG_ERROR( "BUG: %s -> %s isn't a valid TAP transition", tap_state_name( - tap_get_state() ), tap_state_name(cmd->path[state_count]) ); + + /* ... 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(cmd->path[state_count]); + tap_set_state(path[state_count]); state_count++; num_states--; } - BUFFER_ADD = tms_byte; + buffer_write(tms_byte); } - tap_set_end_state(tap_get_state()); } - -void ft2232_add_scan(int ir_scan, enum scan_type type, u8* buffer, int scan_size) +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 && (tap_get_state() == TAP_DRSHIFT) ) - || ( ir_scan && (tap_get_state() == TAP_IRSHIFT) ) ) ) + if (!ir_scan) { - /* command "Clock Data to TMS/CS Pin (no Read)" */ - BUFFER_ADD = 0x4b; - - BUFFER_ADD = 0x6; /* scan 7 bits */ - - /* TMS data bits */ - if (ir_scan) + if (tap_get_state() != TAP_DRSHIFT) { - BUFFER_ADD = tap_get_tms_path(tap_get_state(), TAP_IRSHIFT); - tap_set_state(TAP_IRSHIFT); + move_to_state(TAP_DRSHIFT); } - else + } + else + { + if (tap_get_state() != TAP_IRSHIFT) { - BUFFER_ADD = tap_get_tms_path(tap_get_state(), TAP_DRSHIFT); - tap_set_state(TAP_DRSHIFT); + move_to_state(TAP_IRSHIFT); } - /* LOG_DEBUG("added TMS scan (no read)"); */ } /* add command for complete bytes */ @@ -615,34 +828,34 @@ void ft2232_add_scan(int ir_scan, enum scan_type type, u8* buffer, int scan_size if (type == SCAN_IO) { /* Clock Data Bytes In and Out LSB First */ - BUFFER_ADD = 0x39; + 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_ADD = 0x19; + 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_ADD = 0x28; + 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_ADD = (thisrun_bytes - 1) & 0xff; - BUFFER_ADD = ( (thisrun_bytes - 1) >> 8 ) & 0xff; + + 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_ADD = buffer[cur_byte]; - cur_byte++; + buffer_write(buffer[cur_byte++]); bits_left -= 8; } } @@ -654,7 +867,7 @@ void ft2232_add_scan(int ir_scan, enum scan_type type, u8* buffer, int scan_size /* the most signifcant bit is scanned during TAP movement */ if (type != SCAN_IN) - last_bit = ( buffer[cur_byte] >> (bits_left - 1) ) & 0x1; + last_bit = (buffer[cur_byte] >> (bits_left - 1)) & 0x1; else last_bit = 0; @@ -664,83 +877,95 @@ void ft2232_add_scan(int ir_scan, enum scan_type type, u8* buffer, int scan_size if (type == SCAN_IO) { /* Clock Data Bits In and Out LSB First */ - BUFFER_ADD = 0x3b; + 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_ADD = 0x1b; + 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_ADD = 0x2a; + buffer_write(0x2a); /* LOG_DEBUG("added TDI bits (i %i)", bits_left - 1); */ } - BUFFER_ADD = bits_left - 2; + + buffer_write(bits_left - 2); if (type != SCAN_IN) - BUFFER_ADD = buffer[cur_byte]; + buffer_write(buffer[cur_byte]); } - if ( ( ir_scan && (tap_get_end_state() == TAP_IRSHIFT) ) - || ( !ir_scan && (tap_get_end_state() == TAP_DRSHIFT) ) ) + 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_ADD = 0x3b; + 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_ADD = 0x1b; + 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_ADD = 0x2a; + buffer_write(0x2a); /* LOG_DEBUG("added TDI bits (i %i)", bits_left - 1); */ } - BUFFER_ADD = 0x0; - BUFFER_ADD = last_bit; + 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 */ - BUFFER_ADD = 0x6b; - /* LOG_DEBUG("added TMS scan (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) */ - BUFFER_ADD = 0x4b; - /* LOG_DEBUG("added TMS scan (no read)"); */ + mpsse_cmd = 0x4b; } - BUFFER_ADD = 0x6; /* scan 7 bits */ - BUFFER_ADD = tap_get_tms_path( tap_get_state(), tap_get_end_state() ) | (last_bit << 7); - tap_set_state( tap_get_end_state() ); + 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(scan_command_t* cmd, enum scan_type type, u8* buffer, int scan_size) +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; - u8* receive_buffer = malloc( CEIL(scan_size, 8) ); - u8* receive_pointer = receive_buffer; - u32 bytes_written; - u32 bytes_read; + 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; @@ -752,22 +977,16 @@ static int ft2232_large_scan(scan_command_t* cmd, enum scan_type type, u8* buffe if (tap_get_state() != TAP_DRSHIFT) { - /* command "Clock Data to TMS/CS Pin (no Read)" */ - BUFFER_ADD = 0x4b; - - BUFFER_ADD = 0x6; /* scan 7 bits */ - - /* TMS data bits */ - BUFFER_ADD = tap_get_tms_path(tap_get_state(), TAP_DRSHIFT); - tap_set_state(TAP_DRSHIFT); + move_to_state(TAP_DRSHIFT); } - if ( ( retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written) ) != ERROR_OK ) + 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, bytes_written); + LOG_DEBUG("ft2232_buffer_size: %i, bytes_written: %i", + ft2232_buffer_size, (int)bytes_written); ft2232_buffer_size = 0; /* add command for complete bytes */ @@ -778,34 +997,34 @@ static int ft2232_large_scan(scan_command_t* cmd, enum scan_type type, u8* buffe if (type == SCAN_IO) { /* Clock Data Bytes In and Out LSB First */ - BUFFER_ADD = 0x39; + 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_ADD = 0x19; + 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_ADD = 0x28; + 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_ADD = (thisrun_bytes - 1) & 0xff; - BUFFER_ADD = ( (thisrun_bytes - 1) >> 8 ) & 0xff; + 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_ADD = buffer[cur_byte]; + buffer_write(buffer[cur_byte]); cur_byte++; bits_left -= 8; } @@ -815,22 +1034,26 @@ static int ft2232_large_scan(scan_command_t* cmd, enum scan_type type, u8* buffe bits_left -= 8 * (thisrun_bytes); } - if ( ( retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written) ) != ERROR_OK ) + 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, bytes_written); + 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 ) + 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, bytes_read); + LOG_DEBUG("thisrun_read: %i, bytes_read: %i", + thisrun_read, + (int)bytes_read); receive_pointer += bytes_read; } } @@ -839,7 +1062,7 @@ static int ft2232_large_scan(scan_command_t* cmd, enum scan_type type, u8* buffe /* the most signifcant bit is scanned during TAP movement */ if (type != SCAN_IN) - last_bit = ( buffer[cur_byte] >> (bits_left - 1) ) & 0x1; + last_bit = (buffer[cur_byte] >> (bits_left - 1)) & 0x1; else last_bit = 0; @@ -849,24 +1072,24 @@ static int ft2232_large_scan(scan_command_t* cmd, enum scan_type type, u8* buffe if (type == SCAN_IO) { /* Clock Data Bits In and Out LSB First */ - BUFFER_ADD = 0x3b; + 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_ADD = 0x1b; + 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_ADD = 0x2a; + buffer_write(0x2a); /* LOG_DEBUG("added TDI bits (i %i)", bits_left - 1); */ } - BUFFER_ADD = bits_left - 2; + buffer_write(bits_left - 2); if (type != SCAN_IN) - BUFFER_ADD = buffer[cur_byte]; + buffer_write(buffer[cur_byte]); if (type != SCAN_OUT) thisrun_read += 2; @@ -877,97 +1100,105 @@ static int ft2232_large_scan(scan_command_t* cmd, enum scan_type type, u8* buffe if (type == SCAN_IO) { /* Clock Data Bits In and Out LSB First */ - BUFFER_ADD = 0x3b; + 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_ADD = 0x1b; + 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_ADD = 0x2a; + buffer_write(0x2a); /* LOG_DEBUG("added TDI bits (i %i)", bits_left - 1); */ } - BUFFER_ADD = 0x0; - BUFFER_ADD = last_bit; + 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 */ - BUFFER_ADD = 0x6b; + mpsse_cmd = 0x6b; /* LOG_DEBUG("added TMS scan (read)"); */ } else { /* Clock Data to TMS/CS Pin (no Read) */ - BUFFER_ADD = 0x4b; + mpsse_cmd = 0x4b; /* LOG_DEBUG("added TMS scan (no read)"); */ } - BUFFER_ADD = 0x6; - BUFFER_ADD = tap_get_tms_path( tap_get_state(), tap_get_end_state() ) | (last_bit << 7); - tap_set_state( tap_get_end_state() ); + + 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 ) + 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, bytes_written); + 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 ) + 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, bytes_read); + LOG_DEBUG("thisrun_read: %i, bytes_read: %i", + thisrun_read, + (int)bytes_read); receive_pointer += bytes_read; } return ERROR_OK; } - static int ft2232_predict_scan_out(int scan_size, enum scan_type type) { int predicted_size = 3; int num_bytes = (scan_size - 1) / 8; if (tap_get_state() != TAP_DRSHIFT) - predicted_size += 3; + predicted_size += get_tms_buffer_requirements(tap_get_tms_path_len(tap_get_state(), TAP_DRSHIFT)); - if (type == SCAN_IN) /* only from device to host */ + if (type == SCAN_IN) /* only from device to host */ { /* complete bytes */ - predicted_size += CEIL(num_bytes, 65536) * 3; + predicted_size += DIV_ROUND_UP(num_bytes, 65536) * 3; + /* remaining bits - 1 (up to 7) */ - predicted_size += ( (scan_size - 1) % 8 ) ? 2 : 0; + predicted_size += ((scan_size - 1) % 8) ? 2 : 0; } - else /* host to device, or bidirectional */ + else /* host to device, or bidirectional */ { /* complete bytes */ - predicted_size += num_bytes + CEIL(num_bytes, 65536) * 3; + 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; + 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; @@ -975,10 +1206,10 @@ static int ft2232_predict_scan_in(int scan_size, enum scan_type type) if (type != SCAN_OUT) { /* complete bytes */ - predicted_size += (CEIL(scan_size, 8) > 1) ? (CEIL(scan_size, 8) - 1) : 0; + 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; + predicted_size += ((scan_size - 1) % 8) ? 1 : 0; /* last bit (from TMS scan) */ predicted_size += 1; @@ -989,48 +1220,48 @@ static int ft2232_predict_scan_in(int scan_size, enum scan_type type) return predicted_size; } - static void usbjtag_reset(int trst, int srst) { + enum reset_types jtag_reset_config = jtag_get_reset_config(); if (trst == 1) { if (jtag_reset_config & RESET_TRST_OPEN_DRAIN) - low_direction |= nTRSTnOE; /* switch to output pin (output is low) */ + low_direction |= nTRSTnOE; /* switch to output pin (output is low) */ else - low_output &= ~nTRST; /* switch output low */ + low_output &= ~nTRST; /* switch output low */ } else if (trst == 0) { if (jtag_reset_config & RESET_TRST_OPEN_DRAIN) - low_direction &= ~nTRSTnOE; /* switch to input pin (high-Z + internal and external pullup) */ + low_direction &= ~nTRSTnOE; /* switch to input pin (high-Z + internal and external pullup) */ else - low_output |= nTRST; /* switch output high */ + low_output |= nTRST; /* switch output high */ } if (srst == 1) { if (jtag_reset_config & RESET_SRST_PUSH_PULL) - low_output &= ~nSRST; /* switch output low */ + low_output &= ~nSRST; /* switch output low */ else - low_direction |= nSRSTnOE; /* switch to output pin (output is low) */ + low_direction |= nSRSTnOE; /* switch to output pin (output is low) */ } else if (srst == 0) { if (jtag_reset_config & RESET_SRST_PUSH_PULL) - low_output |= nSRST; /* switch output high */ + low_output |= nSRST; /* switch output high */ else - low_direction &= ~nSRSTnOE; /* switch to input pin (high-Z) */ + low_direction &= ~nSRSTnOE; /* switch to input pin (high-Z) */ } /* command "set data bits low byte" */ - BUFFER_ADD = 0x80; - BUFFER_ADD = low_output; - BUFFER_ADD = low_direction; + 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) @@ -1062,16 +1293,16 @@ static void jtagkey_reset(int trst, int srst) } /* command "set data bits high byte" */ - BUFFER_ADD = 0x82; - BUFFER_ADD = high_output; - BUFFER_ADD = high_direction; + 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) @@ -1097,14 +1328,13 @@ static void olimex_jtag_reset(int trst, int srst) } /* command "set data bits high byte" */ - BUFFER_ADD = 0x82; - BUFFER_ADD = high_output; - BUFFER_ADD = high_direction; + 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) @@ -1127,14 +1357,13 @@ static void axm0432_jtag_reset(int trst, int srst) } /* command "set data bits low byte" */ - BUFFER_ADD = 0x82; - BUFFER_ADD = high_output; - BUFFER_ADD = high_direction; + 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) @@ -1156,13 +1385,12 @@ static void flyswatter_reset(int trst, int srst) } /* command "set data bits low byte" */ - BUFFER_ADD = 0x80; - BUFFER_ADD = low_output; - BUFFER_ADD = low_direction; + 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; @@ -1177,13 +1405,12 @@ static void turtle_reset(int trst, int srst) } /* command "set data bits low byte" */ - BUFFER_ADD = 0x80; - BUFFER_ADD = low_output; - BUFFER_ADD = low_direction; + 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) @@ -1205,14 +1432,13 @@ static void comstick_reset(int trst, int srst) } /* command "set data bits high byte" */ - BUFFER_ADD = 0x82; - BUFFER_ADD = high_output; - BUFFER_ADD = high_direction; + 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) @@ -1234,20 +1460,18 @@ static void stm32stick_reset(int trst, int srst) } /* command "set data bits low byte" */ - BUFFER_ADD = 0x80; - BUFFER_ADD = low_output; - BUFFER_ADD = low_direction; + buffer_write(0x80); + buffer_write(low_output); + buffer_write(low_direction); /* command "set data bits high byte" */ - BUFFER_ADD = 0x82; - BUFFER_ADD = high_output; - BUFFER_ADD = high_direction; + 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) @@ -1261,44 +1485,31 @@ static void sheevaplug_reset(int trst, int srst) high_output |= nSRSTnOE; /* command "set data bits high byte" */ - BUFFER_ADD = 0x82; - BUFFER_ADD = high_output; - BUFFER_ADD = high_direction; + 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_end_state(jtag_command_t *cmd) -{ - int retval; - retval = ERROR_OK; - - DEBUG_JTAG_IO("end_state: %i", cmd->cmd.end_state->end_state); - - if (cmd->cmd.end_state->end_state != TAP_INVALID) - ft2232_end_state(cmd->cmd.end_state->end_state); - - return retval; -} - - -static int ft2232_execute_runtest(jtag_command_t *cmd) +static int ft2232_execute_runtest(struct jtag_command *cmd) { - int retval; - int i; + int retval; + int i; int predicted_size = 0; retval = ERROR_OK; - DEBUG_JTAG_IO("runtest %i cycles, end in %i", + DEBUG_JTAG_IO("runtest %i cycles, end in %s", cmd->cmd.runtest->num_cycles, - cmd->cmd.runtest->end_state); + 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 * CEIL(cmd->cmd.runtest->num_cycles, 7); - if ( (cmd->cmd.runtest->end_state != TAP_INVALID) && (cmd->cmd.runtest->end_state != TAP_IDLE) ) + predicted_size += 3 * DIV_ROUND_UP(cmd->cmd.runtest->num_cycles, 7); + if (cmd->cmd.runtest->end_state != TAP_IDLE) predicted_size += 3; - if ( (cmd->cmd.runtest->end_state == TAP_INVALID) && (tap_get_end_state() != TAP_IDLE) ) + if (tap_get_end_state() != TAP_IDLE) predicted_size += 3; if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE) { @@ -1309,60 +1520,48 @@ static int ft2232_execute_runtest(jtag_command_t *cmd) } if (tap_get_state() != TAP_IDLE) { - /* command "Clock Data to TMS/CS Pin (no Read)" */ - BUFFER_ADD = 0x4b; - BUFFER_ADD = 0x6; /* scan 7 bits */ - - /* TMS data bits */ - BUFFER_ADD = tap_get_tms_path(tap_get_state(), TAP_IDLE); - tap_set_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_ADD = 0x4b; + buffer_write(0x4b); /* scan 7 bits */ - BUFFER_ADD = (i > 7) ? 6 : (i - 1); + buffer_write((i > 7) ? 6 : (i - 1)); /* TMS data bits */ - BUFFER_ADD = 0x0; - tap_set_state(TAP_IDLE); + buffer_write(0x0); + i -= (i > 7) ? 7 : i; /* LOG_DEBUG("added TMS scan (no read)"); */ } - if (cmd->cmd.runtest->end_state != TAP_INVALID) - ft2232_end_state(cmd->cmd.runtest->end_state); + ft2232_end_state(cmd->cmd.runtest->end_state); - if ( tap_get_state() != tap_get_end_state() ) + if (tap_get_state() != tap_get_end_state()) { - /* command "Clock Data to TMS/CS Pin (no Read)" */ - BUFFER_ADD = 0x4b; - /* scan 7 bit */ - BUFFER_ADD = 0x6; - /* TMS data bits */ - BUFFER_ADD = tap_get_tms_path( tap_get_state(), tap_get_end_state() ); - tap_set_state( tap_get_end_state() ); - /* LOG_DEBUG("added TMS scan (no read)"); */ + move_to_state(tap_get_end_state()); } - require_send = 1; -#ifdef _DEBUG_JTAG_IO_ - LOG_DEBUG( "runtest: %i, end in %s", cmd->cmd.runtest->num_cycles, tap_state_name( tap_get_end_state() ) ); -#endif + 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(jtag_command_t *cmd) +static int ft2232_execute_statemove(struct jtag_command *cmd) { - int retval; - int predicted_size = 0; - retval = ERROR_OK; + int predicted_size = 0; + int retval = ERROR_OK; - DEBUG_JTAG_IO("statemove end in %i", cmd->cmd.statemove->end_state); + DEBUG_JTAG_IO("statemove end in %s", + tap_state_name(cmd->cmd.statemove->end_state)); /* only send the maximum buffer size that FT2232C can handle */ predicted_size = 3; @@ -1373,66 +1572,70 @@ static int ft2232_execute_statemove(jtag_command_t *cmd) require_send = 0; first_unsent = cmd; } - if (cmd->cmd.statemove->end_state != TAP_INVALID) - ft2232_end_state(cmd->cmd.statemove->end_state); + ft2232_end_state(cmd->cmd.statemove->end_state); - /* command "Clock Data to TMS/CS Pin (no Read)" */ - BUFFER_ADD = 0x4b; + /* 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; - BUFFER_ADD = 0x6; /* scan 7 bits */ + /* 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; + } - /* TMS data bits */ - BUFFER_ADD = tap_get_tms_path( tap_get_state(), tap_get_end_state() ); - /* LOG_DEBUG("added TMS scan (no read)"); */ - tap_set_state( tap_get_end_state() ); - require_send = 1; -#ifdef _DEBUG_JTAG_IO_ - LOG_DEBUG( "statemove: %s", tap_state_name( tap_get_end_state() ) ); -#endif - return retval; } -static int ft2232_execute_pathmove(jtag_command_t *cmd) +static int ft2232_execute_pathmove(struct jtag_command *cmd) { - int retval; - int predicted_size = 0; - retval = ERROR_OK; + 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])); - DEBUG_JTAG_IO("pathmove: %i states, end in %i", - cmd->cmd.pathmove->num_states, - cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]); /* only send the maximum buffer size that FT2232C can handle */ - predicted_size = 3 * CEIL(cmd->cmd.pathmove->num_states, 7); + 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; + retval = ERROR_JTAG_QUEUE_FAILED; + require_send = 0; first_unsent = cmd; } - ft2232_add_pathmove(cmd->cmd.pathmove); + + ft2232_add_pathmove(path, num_states); require_send = 1; -#ifdef _DEBUG_JTAG_IO_ - LOG_DEBUG( "pathmove: %i states, end in %s", cmd->cmd.pathmove->num_states, - tap_state_name(cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]) ); -#endif + return retval; } -static int ft2232_execute_scan(jtag_command_t *cmd) +static int ft2232_execute_scan(struct jtag_command *cmd) { - int retval; - u8* buffer; - int scan_size; /* size of IR or DR scan */ - enum scan_type type; - int predicted_size = 0; - retval = ERROR_OK; + uint8_t* buffer; + int scan_size; /* size of IR or DR scan */ + int predicted_size = 0; + int retval = ERROR_OK; + + enum scan_type type = jtag_scan_type(cmd->cmd.scan); + + DEBUG_JTAG_IO("%s type:%d", cmd->cmd.scan->ir_scan ? "IRSCAN" : "DRSCAN", type); scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer); - type = jtag_scan_type(cmd->cmd.scan); + predicted_size = ft2232_predict_scan_out(scan_size, type); - if ( (predicted_size + 1) > FT2232_BUFFER_SIZE ) + if ((predicted_size + 1) > FT2232_BUFFER_SIZE) { LOG_DEBUG("oversized ft2232 scan (predicted_size > FT2232_BUFFER_SIZE)"); /* unsent commands before this */ @@ -1441,8 +1644,7 @@ static int ft2232_execute_scan(jtag_command_t *cmd) retval = ERROR_JTAG_QUEUE_FAILED; /* current command */ - if (cmd->cmd.scan->end_state != TAP_INVALID) - ft2232_end_state(cmd->cmd.scan->end_state); + 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; @@ -1462,24 +1664,22 @@ static int ft2232_execute_scan(jtag_command_t *cmd) } ft2232_expect_read += ft2232_predict_scan_in(scan_size, type); /* LOG_DEBUG("new read size: %i", ft2232_expect_read); */ - if (cmd->cmd.scan->end_state != TAP_INVALID) - ft2232_end_state(cmd->cmd.scan->end_state); + 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); -#ifdef _DEBUG_JTAG_IO_ - LOG_DEBUG( "%s scan, %i bits, end in %s", (cmd->cmd.scan->ir_scan) ? "IR" : "DR", scan_size, - tap_state_name( tap_get_end_state() ) ); -#endif + 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(jtag_command_t *cmd) +static int ft2232_execute_reset(struct jtag_command *cmd) { - int retval; - int predicted_size = 0; + int retval; + int predicted_size = 0; retval = ERROR_OK; DEBUG_JTAG_IO("reset trst: %i srst %i", @@ -1495,40 +1695,39 @@ static int ft2232_execute_reset(jtag_command_t *cmd) first_unsent = cmd; } - if ( (cmd->cmd.reset->trst == 1) || ( cmd->cmd.reset->srst && (jtag_reset_config & RESET_SRST_PULLS_TRST) ) ) + if ((cmd->cmd.reset->trst == 1) || (cmd->cmd.reset->srst && (jtag_get_reset_config() & RESET_SRST_PULLS_TRST))) { tap_set_state(TAP_RESET); } + layout->reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst); require_send = 1; -#ifdef _DEBUG_JTAG_IO_ - LOG_DEBUG("trst: %i, srst: %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst); -#endif + DEBUG_JTAG_IO("trst: %i, srst: %i", + cmd->cmd.reset->trst, cmd->cmd.reset->srst); return retval; } -static int ft2232_execute_sleep(jtag_command_t *cmd) +static int ft2232_execute_sleep(struct jtag_command *cmd) { - int retval; + int retval; retval = ERROR_OK; - DEBUG_JTAG_IO("sleep %i", cmd->cmd.sleep->us); + 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); -#ifdef _DEBUG_JTAG_IO_ - LOG_DEBUG( "sleep %i usec while in %s", cmd->cmd.sleep->us, tap_state_name( tap_get_state() ) ); -#endif - + DEBUG_JTAG_IO("sleep %" PRIi32 " usec while in %s", + cmd->cmd.sleep->us, + tap_state_name(tap_get_state())); return retval; } -static int ft2232_execute_stableclocks(jtag_command_t *cmd) +static int ft2232_execute_stableclocks(struct jtag_command *cmd) { - int retval; + int retval; retval = ERROR_OK; /* this is only allowed while in a stable state. A check for a stable @@ -1536,41 +1735,39 @@ static int ft2232_execute_stableclocks(jtag_command_t *cmd) */ if (ft2232_stableclocks(cmd->cmd.stableclocks->num_cycles, cmd) != ERROR_OK) retval = ERROR_JTAG_QUEUE_FAILED; -#ifdef _DEBUG_JTAG_IO_ - LOG_DEBUG( "clocks %i while in %s", cmd->cmd.stableclocks->num_cycles, tap_state_name( tap_get_state() ) ); -#endif - + DEBUG_JTAG_IO("clocks %i while in %s", + cmd->cmd.stableclocks->num_cycles, + tap_state_name(tap_get_state())); return retval; } -static int ft2232_execute_command(jtag_command_t *cmd) +static int ft2232_execute_command(struct jtag_command *cmd) { - int retval; + int retval; retval = ERROR_OK; switch (cmd->type) { - case JTAG_END_STATE: retval = ft2232_execute_end_state(cmd); break; - 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); + 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() +static int ft2232_execute_queue(void) { - jtag_command_t* cmd = jtag_command_queue; /* currently processed command */ - int retval; + struct jtag_command* cmd = jtag_command_queue; /* currently processed command */ + int retval; - first_unsent = cmd; /* next command that has to be sent */ + first_unsent = cmd; /* next command that has to be sent */ require_send = 0; /* return ERROR_OK, unless ft2232_send_and_recv reports a failed check @@ -1589,7 +1786,14 @@ static int ft2232_execute_queue() { 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) @@ -1599,20 +1803,22 @@ static int ft2232_execute_queue() return retval; } - #if BUILD_FT2232_FTD2XX == 1 -static int ft2232_init_ftd2xx(u16 vid, u16 pid, int more, int* try_more) +static int ft2232_init_ftd2xx(uint16_t vid, uint16_t pid, int more, int* try_more) { - FT_STATUS status; - DWORD openex_flags = 0; - char* openex_string = NULL; - u8 latency_timer; + 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 ) + if ((status = FT_SetVIDPID(vid, pid)) != FT_OK) { LOG_WARNING("couldn't add %4.4x:%4.4x", vid, pid); } @@ -1643,27 +1849,27 @@ static int ft2232_init_ftd2xx(u16 vid, u16 pid, int more, int* try_more) } status = FT_OpenEx(openex_string, openex_flags, &ftdih); - if( status != FT_OK ){ - // under Win32, the FTD2XX driver appends an "A" to the end - // of the description, if we tried by the desc, then - // try by the alternate "A" description. - if( openex_string == ft2232_device_desc ){ - // Try the alternate method. + 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! + if (status == FT_OK) { + /* yea, the "alternate" method worked! */ } else { - // drat, give the user a meaningfull message. - // telling the use we tried *BOTH* methods. + /* drat, give the user a meaningfull message. + * telling the use we tried *BOTH* methods. */ LOG_WARNING("Unable to open FTDI Device tried: '%s' and '%s'\n", ft2232_device_desc, - ft2232_device_desc_A ); + ft2232_device_desc_A); } } } - if ( status != FT_OK ) + if (status != FT_OK) { DWORD num_devices; @@ -1677,8 +1883,8 @@ static int ft2232_init_ftd2xx(u16 vid, u16 pid, int more, int* try_more) status = FT_ListDevices(&num_devices, NULL, FT_LIST_NUMBER_ONLY); if (status == FT_OK) { - char** desc_array = malloc( sizeof(char*) * (num_devices + 1) ); - u32 i; + char** desc_array = malloc(sizeof(char*) * (num_devices + 1)); + uint32_t i; for (i = 0; i < num_devices; i++) desc_array[i] = malloc(64); @@ -1691,7 +1897,7 @@ static int ft2232_init_ftd2xx(u16 vid, u16 pid, int more, int* try_more) { LOG_ERROR("ListDevices: %lu\n", num_devices); for (i = 0; i < num_devices; i++) - LOG_ERROR("%i: \"%s\"", i, desc_array[i]); + LOG_ERROR("%" PRIu32 ": \"%s\"", i, desc_array[i]); } for (i = 0; i < num_devices; i++) @@ -1706,13 +1912,13 @@ static int ft2232_init_ftd2xx(u16 vid, u16 pid, int more, int* try_more) return ERROR_JTAG_INIT_FAILED; } - if ( ( status = FT_SetLatencyTimer(ftdih, ft2232_latency) ) != FT_OK ) + 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 ) + if ((status = FT_GetLatencyTimer(ftdih, &latency_timer)) != FT_OK) { LOG_ERROR("unable to get latency timer: %lu", status); return ERROR_JTAG_INIT_FAILED; @@ -1722,27 +1928,44 @@ static int ft2232_init_ftd2xx(u16 vid, u16 pid, int more, int* try_more) LOG_DEBUG("current latency timer: %i", latency_timer); } - if ( ( status = FT_SetTimeouts(ftdih, 5000, 5000) ) != FT_OK ) + 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 ) + 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 ) + 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; @@ -1751,13 +1974,12 @@ static int ft2232_purge_ftd2xx(void) return ERROR_OK; } - #endif /* BUILD_FT2232_FTD2XX == 1 */ #if BUILD_FT2232_LIBFTDI == 1 -static int ft2232_init_libftdi(u16 vid, u16 pid, int more, int* try_more) +static int ft2232_init_libftdi(uint16_t vid, uint16_t pid, int more, int* try_more) { - u8 latency_timer; + uint8_t latency_timer; LOG_DEBUG("'ft2232' interface using libftdi with '%s' layout (%4.4x:%4.4x)", ft2232_layout, vid, pid); @@ -1765,6 +1987,12 @@ static int ft2232_init_libftdi(u16 vid, u16 pid, int more, int* try_more) 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) @@ -1778,12 +2006,7 @@ static int ft2232_init_libftdi(u16 vid, u16 pid, int more, int* try_more) 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; - } - + /* 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"); @@ -1808,10 +2031,16 @@ static int ft2232_init_libftdi(u16 vid, u16 pid, int more, int* try_more) 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) @@ -1823,18 +2052,26 @@ static int ft2232_purge_libftdi(void) return ERROR_OK; } - #endif /* BUILD_FT2232_LIBFTDI == 1 */ static int ft2232_init(void) { - u8 buf[1]; + uint8_t buf[1]; int retval; - u32 bytes_written; - ft2232_layout_t* cur_layout = ft2232_layouts; + uint32_t bytes_written; + const struct ft2232_layout* cur_layout = ft2232_layouts; int i; - if ( (ft2232_layout == NULL) || (ft2232_layout[0] == 0) ) + 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'"); @@ -1889,10 +2126,24 @@ static int ft2232_init(void) if (layout->init() != ERROR_OK) return ERROR_JTAG_INIT_FAILED; - ft2232_speed(jtag_speed); + 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) ) + 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; @@ -1907,11 +2158,10 @@ static int ft2232_init(void) return ERROR_OK; } - static int usbjtag_init(void) { - u8 buf[3]; - u32 bytes_written; + uint8_t buf[3]; + uint32_t bytes_written; low_output = 0x08; low_direction = 0x0b; @@ -1939,12 +2189,22 @@ static int usbjtag_init(void) 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 */ @@ -1969,11 +2229,11 @@ static int usbjtag_init(void) /* initialize low byte for jtag */ buf[0] = 0x80; /* command "set data bits low byte" */ - buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, xRST high) */ - buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in */ + buf[1] = low_output; /* value (TMS = 1,TCK = 0, TDI = 0, xRST high) */ + buf[2] = low_direction; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in */ LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - if ( ( ( ft2232_write(buf, 3, &bytes_written) ) != ERROR_OK ) || (bytes_written != 3) ) + 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; @@ -1982,22 +2242,21 @@ static int usbjtag_init(void) return ERROR_OK; } - static int axm0432_jtag_init(void) { - u8 buf[3]; - u32 bytes_written; + 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 */ + 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) ) + 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; @@ -2019,6 +2278,7 @@ static int axm0432_jtag_init(void) 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"); @@ -2043,7 +2303,7 @@ static int axm0432_jtag_init(void) 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) ) + 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; @@ -2052,22 +2312,21 @@ static int axm0432_jtag_init(void) return ERROR_OK; } - static int jtagkey_init(void) { - u8 buf[3]; - u32 bytes_written; + 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 */ + 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) ) + 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; @@ -2080,8 +2339,8 @@ static int jtagkey_init(void) nSRST = 0x02; nSRSTnOE = 0x08; } - else if ( (strcmp(layout->name, "jtagkey_prototype_v1") == 0) - || (strcmp(layout->name, "oocdlink") == 0) ) + else if ((strcmp(layout->name, "jtagkey_prototype_v1") == 0) + || (strcmp(layout->name, "oocdlink") == 0)) { nTRST = 0x02; nTRSTnOE = 0x1; @@ -2097,6 +2356,7 @@ static int jtagkey_init(void) 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; @@ -2125,7 +2385,7 @@ static int jtagkey_init(void) 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) ) + 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; @@ -2134,24 +2394,23 @@ static int jtagkey_init(void) return ERROR_OK; } - static int olimex_jtag_init(void) { - u8 buf[3]; - u32 bytes_written; + 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 */ + 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) ) + if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3)) { - LOG_ERROR("couldn't initialize FT2232 with 'JTAGkey' layout"); + LOG_ERROR("couldn't initialize FT2232 with 'Olimex' layout"); return ERROR_JTAG_INIT_FAILED; } @@ -2163,6 +2422,7 @@ static int olimex_jtag_init(void) 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; @@ -2192,31 +2452,30 @@ static int olimex_jtag_init(void) 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) ) + if ((ft2232_write(buf, 3, &bytes_written) != ERROR_OK) || (bytes_written != 3)) { - LOG_ERROR("couldn't initialize FT2232 with 'JTAGkey' layout"); + LOG_ERROR("couldn't initialize FT2232 with 'Olimex' layout"); return ERROR_JTAG_INIT_FAILED; } return ERROR_OK; } - static int flyswatter_init(void) { - u8 buf[3]; - u32 bytes_written; + 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 */ + 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) ) + 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; @@ -2239,7 +2498,7 @@ static int flyswatter_init(void) 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) ) + 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; @@ -2248,22 +2507,21 @@ static int flyswatter_init(void) return ERROR_OK; } - static int turtle_init(void) { - u8 buf[3]; - u32 bytes_written; + 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 */ + 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) ) + 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; @@ -2280,7 +2538,7 @@ static int turtle_init(void) 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) ) + 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; @@ -2289,22 +2547,21 @@ static int turtle_init(void) return ERROR_OK; } - static int comstick_init(void) { - u8 buf[3]; - u32 bytes_written; + 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 */ + 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) ) + 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; @@ -2324,7 +2581,7 @@ static int comstick_init(void) 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) ) + 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; @@ -2333,22 +2590,21 @@ static int comstick_init(void) return ERROR_OK; } - static int stm32stick_init(void) { - u8 buf[3]; - u32 bytes_written; + 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 */ + 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) ) + 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; @@ -2368,7 +2624,7 @@ static int stm32stick_init(void) 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) ) + 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; @@ -2377,24 +2633,23 @@ static int stm32stick_init(void) return ERROR_OK; } - static int sheevaplug_init(void) { - u8 buf[3]; - u32 bytes_written; + 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 */ + 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"); + LOG_ERROR("couldn't initialize FT2232 with 'sheevaplug' layout"); return ERROR_JTAG_INIT_FAILED; } @@ -2422,7 +2677,50 @@ static int sheevaplug_init(void) if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3)) { - LOG_ERROR("couldn't initialize FT2232 with 'sheevaplug' layout"); + 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; } @@ -2445,12 +2743,11 @@ static void olimex_jtag_blink(void) high_output |= 0x08; } - BUFFER_ADD = 0x82; - BUFFER_ADD = high_output; - BUFFER_ADD = high_direction; + buffer_write(0x82); + buffer_write(high_output); + buffer_write(high_direction); } - static void flyswatter_jtag_blink(void) { /* @@ -2458,12 +2755,11 @@ static void flyswatter_jtag_blink(void) */ high_output ^= 0x0c; - BUFFER_ADD = 0x82; - BUFFER_ADD = high_output; - BUFFER_ADD = high_direction; + buffer_write(0x82); + buffer_write(high_output); + buffer_write(high_direction); } - static void turtle_jtag_blink(void) { /* @@ -2478,12 +2774,11 @@ static void turtle_jtag_blink(void) high_output = 0x08; } - BUFFER_ADD = 0x82; - BUFFER_ADD = high_output; - BUFFER_ADD = high_direction; + buffer_write(0x82); + buffer_write(high_output); + buffer_write(high_direction); } - static int ft2232_quit(void) { #if BUILD_FT2232_FTD2XX == 1 @@ -2491,8 +2786,6 @@ static int ft2232_quit(void) status = FT_Close(ftdih); #elif BUILD_FT2232_LIBFTDI == 1 - ftdi_disable_bitbang(&ftdic); - ftdi_usb_close(&ftdic); ftdi_deinit(&ftdic); @@ -2504,31 +2797,30 @@ static int ft2232_quit(void) return ERROR_OK; } - -static int ft2232_handle_device_desc_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc) +COMMAND_HANDLER(ft2232_handle_device_desc_command) { char *cp; char buf[200]; if (argc == 1) { ft2232_device_desc = strdup(args[0]); - cp = strchr( ft2232_device_desc, 0 ); - // under Win32, the FTD2XX driver appends an "A" to the end - // of the description, this examines the given desc - // and creates the 'missing' _A or non_A variable. - if( (cp[-1] == 'A') && (cp[-2]==' ') ){ - // it was, so make this the "A" version. + 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 ); + /* and *CREATE* the non-A version. */ + strcpy(buf, ft2232_device_desc); + cp = strchr(buf, 0); cp[-2] = 0; - ft2232_device_desc = strdup( buf ); + ft2232_device_desc = strdup(buf); } else { - // A not defined - // so create it - sprintf( buf, "%s A", ft2232_device_desc ); - ft2232_device_desc_A = strdup( buf ); + /* A not defined + * so create it */ + sprintf(buf, "%s A", ft2232_device_desc); + ft2232_device_desc_A = strdup(buf); } } else @@ -2539,8 +2831,7 @@ static int ft2232_handle_device_desc_command(struct command_context_s* cmd_ctx, return ERROR_OK; } - -static int ft2232_handle_serial_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc) +COMMAND_HANDLER(ft2232_handle_serial_command) { if (argc == 1) { @@ -2554,8 +2845,7 @@ static int ft2232_handle_serial_command(struct command_context_s* cmd_ctx, char* return ERROR_OK; } - -static int ft2232_handle_layout_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc) +COMMAND_HANDLER(ft2232_handle_layout_command) { if (argc == 0) return ERROR_OK; @@ -2566,28 +2856,28 @@ static int ft2232_handle_layout_command(struct command_context_s* cmd_ctx, char* return ERROR_OK; } - -static int ft2232_handle_vid_pid_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc) +COMMAND_HANDLER(ft2232_handle_vid_pid_command) { - int i; - if (argc > MAX_USB_IDS * 2) { LOG_WARNING("ignoring extra IDs in ft2232_vid_pid " "(maximum is %d pairs)", MAX_USB_IDS); argc = MAX_USB_IDS * 2; } - if ( argc < 2 || (argc & 1) ) + if (argc < 2 || (argc & 1)) { LOG_WARNING("incomplete ft2232_vid_pid configuration directive"); if (argc < 2) - return ERROR_OK; + return ERROR_COMMAND_SYNTAX_ERROR; + /* remove the incomplete trailing id */ + argc -= 1; } - for (i = 0; i + 1 < argc; i += 2) + unsigned i; + for (i = 0; i < argc; i += 2) { - ft2232_vid[i >> 1] = strtol(args[i], NULL, 0); - ft2232_pid[i >> 1] = strtol(args[i + 1], NULL, 0); + COMMAND_PARSE_NUMBER(u16, args[i], ft2232_vid[i >> 1]); + COMMAND_PARSE_NUMBER(u16, args[i + 1], ft2232_pid[i >> 1]); } /* @@ -2599,8 +2889,7 @@ static int ft2232_handle_vid_pid_command(struct command_context_s* cmd_ctx, char return ERROR_OK; } - -static int ft2232_handle_latency_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc) +COMMAND_HANDLER(ft2232_handle_latency_command) { if (argc == 1) { @@ -2614,13 +2903,12 @@ static int ft2232_handle_latency_command(struct command_context_s* cmd_ctx, char return ERROR_OK; } - -static int ft2232_stableclocks(int num_cycles, jtag_command_t* cmd) +static int ft2232_stableclocks(int num_cycles, struct jtag_command* cmd) { int retval = 0; /* 7 bits of either ones or zeros. */ - u8 tms = (tap_get_state() == TAP_RESET ? 0x7F : 0x00); + uint8_t tms = (tap_get_state() == TAP_RESET ? 0x7F : 0x00); while (num_cycles > 0) { @@ -2638,14 +2926,16 @@ static int ft2232_stableclocks(int num_cycles, jtag_command_t* cmd) 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_ADD = 0x4b; + buffer_write(0x4b); /* scan 7 bit */ - BUFFER_ADD = bitcount_per_command - 1; + buffer_write(bitcount_per_command - 1); /* TMS data bits are either all zeros or ones to stay in the current stable state */ - BUFFER_ADD = tms; + buffer_write(tms); require_send = 1; @@ -2654,3 +2944,1061 @@ static int ft2232_stableclocks(int num_cycles, jtag_command_t* cmd) 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) +{ + register_command(cmd_ctx, NULL, "ft2232_device_desc", + ft2232_handle_device_desc_command, COMMAND_CONFIG, + "the USB device description of the FTDI FT2232 device"); + register_command(cmd_ctx, NULL, "ft2232_serial", + ft2232_handle_serial_command, COMMAND_CONFIG, + "the serial number of the FTDI FT2232 device"); + register_command(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"); + register_command(cmd_ctx, NULL, "ft2232_vid_pid", + ft2232_handle_vid_pid_command, COMMAND_CONFIG, + "the vendor ID and product ID of the FTDI FT2232 device"); + register_command(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, + };