diff options
Diffstat (limited to 'src/jtag/ft2232.c')
| -rw-r--r-- | src/jtag/ft2232.c | 307 |
1 files changed, 148 insertions, 159 deletions
diff --git a/src/jtag/ft2232.c b/src/jtag/ft2232.c index e17d51d6..0806c90a 100644 --- a/src/jtag/ft2232.c +++ b/src/jtag/ft2232.c @@ -24,7 +24,6 @@ * 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 @@ -34,7 +33,6 @@ * http://www.ftdichip.com/Documents/DataSheets/DS_FT2232D.pdf */ - #ifdef HAVE_CONFIG_H #include "config.h" #endif @@ -65,6 +63,10 @@ /* 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 static int ft2232_execute_queue(void); @@ -81,7 +83,6 @@ static int ft2232_handle_layout_command(struct command_context_s* cmd_ctx, char* static int ft2232_handle_vid_pid_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc); static int ft2232_handle_latency_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc); - /** * Send out \a num_cycles on the TCK line while the TAP(s) are in a * stable state. Calling code must ensure that current state is stable, @@ -94,16 +95,12 @@ static int ft2232_handle_latency_command(struct command_context_s* cmd_ctx, char */ static int ft2232_stableclocks(int num_cycles, jtag_command_t* cmd); -/* max TCK for the high speed devices 30000 kHz */ -#define FTDI_2232H_4232H_MAX_TCK 30000 - static char * ft2232_device_desc_A = NULL; static char* ft2232_device_desc = NULL; static char* ft2232_serial = NULL; static char* ft2232_layout = NULL; static uint8_t ft2232_latency = 2; -static unsigned ft2232_max_tck = 6000; - +static unsigned ft2232_max_tck = FTDI_2232C_MAX_TCK; #define MAX_USB_IDS 8 /* vid = pid = 0 marks the end of the list */ @@ -182,13 +179,12 @@ 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 int require_send; - /* http://urjtag.wiki.sourceforge.net/Cable + FT2232 says: "There is a significant difference between libftdi and libftd2xx. The latter @@ -232,7 +228,6 @@ static inline uint8_t buffer_read(void) 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. @@ -258,7 +253,9 @@ static void clock_tms(uint8_t mpsse_cmd, int tms_bits, int tms_count, bool tdi_b assert(tms_count > 0); -// LOG_DEBUG("mpsse cmd=%02x, tms_bits = 0x%08x, bit_count=%d", mpsse_cmd, tms_bits, tms_count); +#if 0 + LOG_DEBUG("mpsse cmd=%02x, tms_bits = 0x%08x, bit_count=%d", mpsse_cmd, tms_bits, tms_count); +#endif for (tms_byte = tms_ndx = i = 0; i < tms_count; ++i, tms_bits>>=1) { @@ -288,7 +285,6 @@ static void clock_tms(uint8_t mpsse_cmd, int tms_bits, int tms_count, bool tdi_b } } - /** * Function get_tms_buffer_requirements * returns what clock_tms() will consume if called with @@ -299,7 +295,6 @@ 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 @@ -326,7 +321,6 @@ static void move_to_state(tap_state_t goal_state) clock_tms(0x4b, tms_bits, tms_count, 0); } - jtag_interface_t ft2232_interface = { .name = "ft2232", @@ -343,7 +337,7 @@ 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; + DWORD dw_bytes_written; if ((status = FT_Write(ftdih, buf, size, &dw_bytes_written)) != FT_OK) { *bytes_written = dw_bytes_written; @@ -371,13 +365,12 @@ static int ft2232_write(uint8_t* buf, int size, uint32_t* bytes_written) #endif } - static int ft2232_read(uint8_t* buf, uint32_t size, uint32_t* bytes_read) { #if BUILD_FT2232_FTD2XX == 1 - DWORD dw_bytes_read; + DWORD dw_bytes_read; FT_STATUS status; - int timeout = 5; + int timeout = 5; *bytes_read = 0; while ((*bytes_read < size) && timeout--) @@ -421,58 +414,87 @@ static int ft2232_read(uint8_t* buf, uint32_t size, uint32_t* bytes_read) return ERROR_OK; } -#ifdef BUILD_FTD2XX_HIGHSPEED static bool ft2232_device_is_highspeed(void) { +#ifdef BUILD_FT2232_HIGHSPEED + #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 +#else + return false; +#endif } -static int ft2232_adaptive_clocking(int speed) -{ - bool use_adaptive_clocking = FALSE; - if (0 == speed) - { - if (ft2232_device_is_highspeed()) - use_adaptive_clocking = TRUE; - else - { - LOG_ERROR("ft2232 device %lu does not support RTCK", ftdi_device); - return ERROR_OK; - } - } +/* + * Commands that only apply to the FT2232H and FT4232H devices. + * See chapter 6 in http://www.ftdichip.com/Documents/AppNotes/ + * AN_108_Command_Processor_for_MPSSE_and_MCU_Host_Bus_Emulation_Modes.pdf + */ - uint8_t buf = use_adaptive_clocking ? 0x96 : 0x97; +static int ft2232h_ft4232h_adaptive_clocking(bool enable) +{ + uint8_t buf = enable ? 0x96 : 0x97; LOG_DEBUG("%2.2x", buf); uint32_t bytes_written; int retval = ft2232_write(&buf, 1, &bytes_written); - if (ERROR_OK != retval || bytes_written != 1) + if ((ERROR_OK != retval) || (bytes_written != 1)) { - LOG_ERROR("unable to set adative clocking: %d", retval); + LOG_ERROR("couldn't write command to %s adaptive clocking" + , enable ? "enable" : "disable"); return retval; } return ERROR_OK; } -#else -static int ft2232_adaptive_clocking(int speed) + +/** + * Enable/disable the clk divide by 5 of the 60MHz master clock. + * This result in a JTAG clock speed range of 91.553Hz-6MHz + * respective 457.763Hz-30MHz. + */ +static int ft2232h_ft4232h_clk_divide_by_5(bool enable) { - // not implemented on low-speed devices - return speed ? ERROR_OK : -1234; + uint32_t bytes_written; + uint8_t buf = enable ? 0x8b : 0x8a; + int retval = ft2232_write(&buf, 1, &bytes_written); + if ((ERROR_OK != retval) || (bytes_written != 1)) + { + LOG_ERROR("couldn't write command to %s clk divide by 5" + , enable ? "enable" : "disable"); + return ERROR_JTAG_INIT_FAILED; + } + ft2232_max_tck = enable ? FTDI_2232C_MAX_TCK : FTDI_2232H_4232H_MAX_TCK; + LOG_INFO("max TCK change to: %u kHz", ft2232_max_tck); + + return ERROR_OK; } -#endif static int ft2232_speed(int speed) { - uint8_t buf[3]; + uint8_t buf[3]; int retval; uint32_t bytes_written; - ft2232_adaptive_clocking(speed); + retval = ERROR_OK; + bool enable_adaptive_clocking = (RTCK_SPEED == speed); + if (ft2232_device_is_highspeed()) + retval = ft2232h_ft4232h_adaptive_clocking(enable_adaptive_clocking); + else if (enable_adaptive_clocking) + { + LOG_ERROR("ft2232 device %lu does not support RTCK" + , (long unsigned int)ftdi_device); + return ERROR_FAIL; + } + + if ((enable_adaptive_clocking) || (ERROR_OK != retval)) + return retval; - buf[0] = 0x86; /* command "set divisor" */ - buf[1] = speed & 0xff; /* valueL (0 = 6MHz, 1 = 3MHz, 2 = 2.0MHz, ...*/ - buf[2] = (speed >> 8) & 0xff; /* valueH */ + buf[0] = 0x86; /* command "set divisor" */ + buf[1] = speed & 0xff; /* valueL (0 = 6MHz, 1 = 3MHz, 2 = 2.0MHz, ...*/ + buf[2] = (speed >> 8) & 0xff; /* valueH */ LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); if (((retval = ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3)) @@ -484,32 +506,35 @@ 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 = ft2232_max_tck / (1 + speed); + *khz = (RTCK_SPEED == speed) ? 0 : ft2232_max_tck / (1 + speed); return ERROR_OK; } - static int ft2232_khz(int khz, int* jtag_speed) { if (khz == 0) { -#ifdef BUILD_FTD2XX_HIGHSPEED - *jtag_speed = 0; - return ERROR_OK; -#else - LOG_DEBUG("RCLK not supported"); - LOG_DEBUG("If you have a high-speed FTDI device, then " - "OpenOCD may be built with --enable-ftd2xx-highspeed."); - return ERROR_FAIL; + if (ft2232_device_is_highspeed()) + { + *jtag_speed = RTCK_SPEED; + return ERROR_OK; + } + else + { + LOG_DEBUG("RCLK not supported"); +#ifndef BUILD_FT2232_HIGHSPEED + LOG_DEBUG("If you have a high-speed FTDI device, then " + "OpenOCD may be built with --enable-ft2232-highspeed."); #endif + return ERROR_FAIL; + } } /* Take a look in the FT2232 manual, @@ -544,7 +569,6 @@ 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, @@ -560,7 +584,6 @@ static int ft2232_register_commands(struct command_context_s* cmd_ctx) return ERROR_OK; } - static void ft2232_end_state(tap_state_t state) { if (tap_is_state_stable(state)) @@ -595,11 +618,10 @@ static void ft2232_read_scan(enum scan_type type, uint8_t* buffer, int scan_size 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++) @@ -616,16 +638,15 @@ 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) { jtag_command_t* cmd; - uint8_t* buffer; - int scan_size; + uint8_t* buffer; + int scan_size; enum scan_type type; - int retval; - uint32_t bytes_written = 0; - uint32_t bytes_read = 0; + int retval; + uint32_t bytes_written = 0; + uint32_t bytes_read = 0; #ifdef _DEBUG_USB_IO_ struct timeval start, inter, inter2, end; @@ -735,7 +756,6 @@ static int ft2232_send_and_recv(jtag_command_t* first, jtag_command_t* last) return retval; } - /** * Function ft2232_add_pathmove * moves the TAP controller from the current state to a new state through the @@ -777,7 +797,6 @@ static void ft2232_add_pathmove(tap_state_t* path, int num_states) tap_set_end_state(tap_get_state()); } - static void ft2232_add_scan(bool ir_scan, enum scan_type type, uint8_t* buffer, int scan_size) { int num_bytes = (scan_size + 7) / 8; @@ -936,7 +955,6 @@ static void ft2232_add_scan(bool ir_scan, enum scan_type type, uint8_t* buffer, } } - static int ft2232_large_scan(scan_command_t* cmd, enum scan_type type, uint8_t* buffer, int scan_size) { int num_bytes = (scan_size + 7) / 8; @@ -1151,7 +1169,6 @@ static int ft2232_large_scan(scan_command_t* cmd, enum scan_type type, uint8_t* return ERROR_OK; } - static int ft2232_predict_scan_out(int scan_size, enum scan_type type) { int predicted_size = 3; @@ -1160,7 +1177,7 @@ static int ft2232_predict_scan_out(int scan_size, enum scan_type type) if (tap_get_state() != TAP_DRSHIFT) predicted_size += get_tms_buffer_requirements(tap_get_tms_path_len(tap_get_state(), TAP_DRSHIFT)); - if (type == SCAN_IN) /* only from device to host */ + if (type == SCAN_IN) /* only from device to host */ { /* complete bytes */ predicted_size += CEIL(num_bytes, 65536) * 3; @@ -1168,7 +1185,7 @@ static int ft2232_predict_scan_out(int scan_size, enum scan_type type) /* remaining bits - 1 (up to 7) */ predicted_size += ((scan_size - 1) % 8) ? 2 : 0; } - else /* host to device, or bidirectional */ + else /* host to device, or bidirectional */ { /* complete bytes */ predicted_size += num_bytes + CEIL(num_bytes, 65536) * 3; @@ -1180,7 +1197,6 @@ static int ft2232_predict_scan_out(int scan_size, enum scan_type type) return predicted_size; } - static int ft2232_predict_scan_in(int scan_size, enum scan_type type) { int predicted_size = 0; @@ -1202,38 +1218,37 @@ 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" */ @@ -1242,7 +1257,6 @@ static void usbjtag_reset(int trst, int srst) buffer_write(low_direction); } - static void jtagkey_reset(int trst, int srst) { enum reset_types jtag_reset_config = jtag_get_reset_config(); @@ -1284,7 +1298,6 @@ static void jtagkey_reset(int trst, int srst) high_direction); } - static void olimex_jtag_reset(int trst, int srst) { enum reset_types jtag_reset_config = jtag_get_reset_config(); @@ -1320,7 +1333,6 @@ static void olimex_jtag_reset(int trst, int srst) high_direction); } - static void axm0432_jtag_reset(int trst, int srst) { if (trst == 1) @@ -1350,7 +1362,6 @@ static void axm0432_jtag_reset(int trst, int srst) high_direction); } - static void flyswatter_reset(int trst, int srst) { if (trst == 1) @@ -1378,7 +1389,6 @@ static void flyswatter_reset(int trst, int srst) 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; @@ -1399,7 +1409,6 @@ static void turtle_reset(int trst, int srst) 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) @@ -1428,7 +1437,6 @@ static void comstick_reset(int trst, int srst) high_direction); } - static void stm32stick_reset(int trst, int srst) { if (trst == 1) @@ -1462,8 +1470,6 @@ static void stm32stick_reset(int trst, int srst) high_direction); } - - static void sheevaplug_reset(int trst, int srst) { if (trst == 1) @@ -1485,8 +1491,8 @@ static void sheevaplug_reset(int trst, int srst) static int ft2232_execute_runtest(jtag_command_t *cmd) { - int retval; - int i; + int retval; + int i; int predicted_size = 0; retval = ERROR_OK; @@ -1549,7 +1555,6 @@ static int ft2232_execute_runtest(jtag_command_t *cmd) return retval; } - static int ft2232_execute_statemove(jtag_command_t *cmd) { int predicted_size = 0; @@ -1588,8 +1593,7 @@ static int ft2232_execute_pathmove(jtag_command_t *cmd) DEBUG_JTAG_IO("pathmove: %i states, current: %s end: %s", num_states, tap_state_name(tap_get_state()), - tap_state_name(path[num_states-1]) -); + tap_state_name(path[num_states-1])); /* only send the maximum buffer size that FT2232C can handle */ predicted_size = 3 * CEIL(num_states, 7); @@ -1608,13 +1612,12 @@ static int ft2232_execute_pathmove(jtag_command_t *cmd) return retval; } - static int ft2232_execute_scan(jtag_command_t *cmd) { - uint8_t* buffer; - int scan_size; /* size of IR or DR scan */ - int predicted_size = 0; - int retval = ERROR_OK; + uint8_t* buffer; + int scan_size; /* size of IR or DR scan */ + int predicted_size = 0; + int retval = ERROR_OK; enum scan_type type = jtag_scan_type(cmd->cmd.scan); @@ -1667,8 +1670,8 @@ static int ft2232_execute_scan(jtag_command_t *cmd) static int ft2232_execute_reset(jtag_command_t *cmd) { - int retval; - int predicted_size = 0; + int retval; + int predicted_size = 0; retval = ERROR_OK; DEBUG_JTAG_IO("reset trst: %i srst %i", @@ -1695,7 +1698,7 @@ static int ft2232_execute_reset(jtag_command_t *cmd) static int ft2232_execute_sleep(jtag_command_t *cmd) { - int retval; + int retval; retval = ERROR_OK; DEBUG_JTAG_IO("sleep %i", cmd->cmd.sleep->us); @@ -1713,7 +1716,7 @@ static int ft2232_execute_sleep(jtag_command_t *cmd) static int ft2232_execute_stableclocks(jtag_command_t *cmd) { - int retval; + int retval; retval = ERROR_OK; /* this is only allowed while in a stable state. A check for a stable @@ -1730,7 +1733,7 @@ static int ft2232_execute_stableclocks(jtag_command_t *cmd) static int ft2232_execute_command(jtag_command_t *cmd) { - int retval; + int retval; retval = ERROR_OK; switch (cmd->type) @@ -1751,10 +1754,10 @@ static int ft2232_execute_command(jtag_command_t *cmd) static int ft2232_execute_queue() { - jtag_command_t* cmd = jtag_command_queue; /* currently processed command */ - int retval; + jtag_command_t* cmd = jtag_command_queue; /* currently processed command */ + int retval; - first_unsent = cmd; /* next command that has to be sent */ + first_unsent = cmd; /* next command that has to be sent */ require_send = 0; /* return ERROR_OK, unless ft2232_send_and_recv reports a failed check @@ -1790,7 +1793,6 @@ static int ft2232_execute_queue() return retval; } - #if BUILD_FT2232_FTD2XX == 1 static int ft2232_init_ftd2xx(uint16_t vid, uint16_t pid, int more, int* try_more) { @@ -1838,18 +1840,18 @@ static int ft2232_init_ftd2xx(uint16_t vid, uint16_t pid, int more, int* try_mor status = FT_OpenEx(openex_string, openex_flags, &ftdih); if (status != FT_OK) { - // under Win32, the FTD2XX driver appends an "A" to the end - // of the description, if we tried by the desc, then - // try by the alternate "A" description. + /* under Win32, the FTD2XX driver appends an "A" to the end + * of the description, if we tried by the desc, then + * try by the alternate "A" description. */ if (openex_string == ft2232_device_desc) { - // Try the alternate method. + /* Try the alternate method. */ openex_string = ft2232_device_desc_A; status = FT_OpenEx(openex_string, openex_flags, &ftdih); if (status == FT_OK) { - // yea, the "alternate" method worked! + /* yea, the "alternate" method worked! */ } else { - // drat, give the user a meaningfull message. - // telling the use we tried *BOTH* methods. + /* drat, give the user a meaningfull message. + * telling the use we tried *BOTH* methods. */ LOG_WARNING("Unable to open FTDI Device tried: '%s' and '%s'\n", ft2232_device_desc, ft2232_device_desc_A); @@ -1935,24 +1937,20 @@ static int ft2232_init_ftd2xx(uint16_t vid, uint16_t pid, int more, int* try_mor } else { - LOG_INFO("device: %lu", ftdi_device); + static const char* type_str[] = + {"BM", "AM", "100AX", "UNKNOWN", "2232C", "232R", "2232H", "4232H"}; + unsigned no_of_known_types = sizeof(type_str) / sizeof(type_str[0]) - 1; + unsigned type_index = ((unsigned)ftdi_device < no_of_known_types) + ? ftdi_device : 3; + LOG_INFO("device: %lu \"%s\"", ftdi_device, type_str[type_index]); LOG_INFO("deviceID: %lu", deviceID); LOG_INFO("SerialNumber: %s", SerialNumber); LOG_INFO("Description: %s", Description); - -#ifdef BUILD_FTD2XX_HIGHSPEED - if (ft2232_device_is_highspeed()) - { - ft2232_max_tck = FTDI_2232H_4232H_MAX_TCK; - LOG_INFO("max TCK change to: %u kHz", ft2232_max_tck); - } -#endif } return ERROR_OK; } - static int ft2232_purge_ftd2xx(void) { FT_STATUS status; @@ -1966,7 +1964,6 @@ static int ft2232_purge_ftd2xx(void) return ERROR_OK; } - #endif /* BUILD_FT2232_FTD2XX == 1 */ #if BUILD_FT2232_LIBFTDI == 1 @@ -2024,10 +2021,16 @@ static int ft2232_init_libftdi(uint16_t vid, uint16_t pid, int more, int* try_mo 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) @@ -2039,7 +2042,6 @@ static int ft2232_purge_libftdi(void) return ERROR_OK; } - #endif /* BUILD_FT2232_LIBFTDI == 1 */ static int ft2232_init(void) @@ -2114,6 +2116,12 @@ static int ft2232_init(void) if (layout->init() != ERROR_OK) return ERROR_JTAG_INIT_FAILED; + if (ft2232_device_is_highspeed()) + { + 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 */ @@ -2132,7 +2140,6 @@ static int ft2232_init(void) return ERROR_OK; } - static int usbjtag_init(void) { uint8_t buf[3]; @@ -2217,7 +2224,6 @@ static int usbjtag_init(void) return ERROR_OK; } - static int axm0432_jtag_init(void) { uint8_t buf[3]; @@ -2288,7 +2294,6 @@ static int axm0432_jtag_init(void) return ERROR_OK; } - static int jtagkey_init(void) { uint8_t buf[3]; @@ -2371,7 +2376,6 @@ static int jtagkey_init(void) return ERROR_OK; } - static int olimex_jtag_init(void) { uint8_t buf[3]; @@ -2439,7 +2443,6 @@ static int olimex_jtag_init(void) return ERROR_OK; } - static int flyswatter_init(void) { uint8_t buf[3]; @@ -2486,7 +2489,6 @@ static int flyswatter_init(void) return ERROR_OK; } - static int turtle_init(void) { uint8_t buf[3]; @@ -2527,7 +2529,6 @@ static int turtle_init(void) return ERROR_OK; } - static int comstick_init(void) { uint8_t buf[3]; @@ -2571,7 +2572,6 @@ static int comstick_init(void) return ERROR_OK; } - static int stm32stick_init(void) { uint8_t buf[3]; @@ -2615,7 +2615,6 @@ static int stm32stick_init(void) return ERROR_OK; } - static int sheevaplug_init(void) { uint8_t buf[3]; @@ -2731,7 +2730,6 @@ static void olimex_jtag_blink(void) buffer_write(high_direction); } - static void flyswatter_jtag_blink(void) { /* @@ -2744,7 +2742,6 @@ static void flyswatter_jtag_blink(void) buffer_write(high_direction); } - static void turtle_jtag_blink(void) { /* @@ -2764,7 +2761,6 @@ static void turtle_jtag_blink(void) buffer_write(high_direction); } - static int ft2232_quit(void) { #if BUILD_FT2232_FTD2XX == 1 @@ -2783,7 +2779,6 @@ 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) { char *cp; @@ -2792,20 +2787,20 @@ static int ft2232_handle_device_desc_command(struct command_context_s* cmd_ctx, { ft2232_device_desc = strdup(args[0]); cp = strchr(ft2232_device_desc, 0); - // under Win32, the FTD2XX driver appends an "A" to the end - // of the description, this examines the given desc - // and creates the 'missing' _A or non_A variable. + /* under Win32, the FTD2XX driver appends an "A" to the end + * of the description, this examines the given desc + * and creates the 'missing' _A or non_A variable. */ if ((cp[-1] == 'A') && (cp[-2]==' ')) { - // it was, so make this the "A" version. + /* it was, so make this the "A" version. */ ft2232_device_desc_A = ft2232_device_desc; - // and *CREATE* the non-A version. + /* and *CREATE* the non-A version. */ strcpy(buf, ft2232_device_desc); cp = strchr(buf, 0); cp[-2] = 0; ft2232_device_desc = strdup(buf); } else { - // <space > A not defined - // so create it + /* <space > A not defined + * so create it */ sprintf(buf, "%s A", ft2232_device_desc); ft2232_device_desc_A = strdup(buf); } @@ -2818,7 +2813,6 @@ 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) { if (argc == 1) @@ -2833,7 +2827,6 @@ 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) { if (argc == 0) @@ -2845,7 +2838,6 @@ 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) { if (argc > MAX_USB_IDS * 2) @@ -2859,7 +2851,7 @@ static int ft2232_handle_vid_pid_command(struct command_context_s* cmd_ctx, char LOG_WARNING("incomplete ft2232_vid_pid configuration directive"); if (argc < 2) return ERROR_COMMAND_SYNTAX_ERROR; - // remove the incomplete trailing id + /* remove the incomplete trailing id */ argc -= 1; } @@ -2884,7 +2876,6 @@ static int ft2232_handle_vid_pid_command(struct command_context_s* cmd_ctx, char return retval; } - static int ft2232_handle_latency_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc) { if (argc == 1) @@ -2899,7 +2890,6 @@ 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) { int retval = 0; @@ -2942,7 +2932,6 @@ static int ft2232_stableclocks(int num_cycles, jtag_command_t* cmd) return retval; } - /* --------------------------------------------------------------------- * Support for IceBear JTAG adapter from Section5: * http://section5.ch/icebear |