diff options
| -rw-r--r-- | configure.in | 28 | ||||
| -rw-r--r-- | src/Makefile.am | 4 | ||||
| -rw-r--r-- | src/jtag/Makefile.am | 14 | ||||
| -rw-r--r-- | src/jtag/ft2232.c (renamed from src/jtag/ftd2xx.c) | 447 | ||||
| -rw-r--r-- | src/jtag/ftdi2232.c | 633 | ||||
| -rw-r--r-- | src/jtag/jtag.c | 30 | ||||
| -rw-r--r-- | src/jtag/jtag.h | 1 | ||||
| -rw-r--r-- | src/jtag/parport.c | 17 |
8 files changed, 346 insertions, 828 deletions
diff --git a/configure.in b/configure.in index 3518b38..e2e9ade 100644 --- a/configure.in +++ b/configure.in @@ -24,13 +24,13 @@ AC_ARG_ENABLE(parport_ppdev, AS_HELP_STRING([--enable-parport_ppdev], [Enable use of ppdev (/dev/parportN) for parport]), [parport_use_ppdev=$enableval], [parport_use_ppdev=no]) -AC_ARG_ENABLE(ftdi2232, - AS_HELP_STRING([--enable-ftdi2232], [Enable building the libftdi ft2232c driver]), - [build_ftdi2232=$enableval], [build_ftdi2232=no]) +AC_ARG_ENABLE(ft2232_libftdi, + AS_HELP_STRING([--enable-ft2232_libftdi], [Enable building support for FT2232 based devices using the libftdi driver]), + [build_ft2232_libftdi=$enableval], [build_ft2232_libftdi=no]) -AC_ARG_ENABLE(ftd2xx, - AS_HELP_STRING([--enable-ftd2xx], [Enable building the ftd2xx ft2232c driver]), - [build_ftd2xx=$enableval], [build_ftd2xx=no]) +AC_ARG_ENABLE(ft2232_ftd2xx, + AS_HELP_STRING([--enable-ft2232_ftd2xx], [Enable building support for FT2232 based devices using the FTD2XX driver]), + [build_ft2232_ftd2xx=$enableval], [build_ft2232_ftd2xx=no]) AC_ARG_ENABLE(amtjtagaccel, AS_HELP_STRING([--enable-amtjtagaccel], [Enable building the Amontec JTAG-Accelerator driver]), @@ -114,16 +114,16 @@ else AC_DEFINE(BUILD_BITBANG, 0, [0 if you don't want a bitbang interface.]) fi -if test $build_ftdi2232 = yes; then - AC_DEFINE(BUILD_FTDI2232, 1, [1 if you want libftdi ft2232.]) +if test $build_ft2232_libftdi = yes; then + AC_DEFINE(BUILD_FT2232_LIBFTDI, 1, [1 if you want libftdi ft2232.]) else - AC_DEFINE(BUILD_FTDI2232, 0, [0 if you don't want libftdi ft2232.]) + AC_DEFINE(BUILD_FT2232_LIBFTDI, 0, [0 if you don't want libftdi ft2232.]) fi -if test $build_ftd2xx = yes; then - AC_DEFINE(BUILD_FTD2XX, 1, [1 if you want ftd2xx ft2232.]) +if test $build_ft2232_ftd2xx = yes; then + AC_DEFINE(BUILD_FT2232_FTD2XX, 1, [1 if you want ftd2xx ft2232.]) else - AC_DEFINE(BUILD_FTD2XX, 0, [0 if you don't want ftd2xx ft2232.]) + AC_DEFINE(BUILD_FT2232_FTD2XX, 0, [0 if you don't want ftd2xx ft2232.]) fi if test $build_amtjtagaccel = yes; then @@ -139,8 +139,8 @@ AM_CONDITIONAL(PARPORT, test $build_parport = yes) AM_CONDITIONAL(GIVEIO, test $parport_use_giveio = yes) AM_CONDITIONAL(EP93XX, test $build_ep93xx = yes) AM_CONDITIONAL(BITBANG, test $build_bitbang = yes) -AM_CONDITIONAL(FTDI2232, test $build_ftdi2232 = yes) -AM_CONDITIONAL(FTD2XX, test $build_ftd2xx = yes) +AM_CONDITIONAL(FT2232_LIBFTDI, test $build_ft2232_libftdi = yes) +AM_CONDITIONAL(FT2232_FTD2XX, test $build_ft2232_ftd2xx = yes) AM_CONDITIONAL(AMTJTAGACCEL, test $build_amtjtagaccel = yes) AM_CONDITIONAL(IS_CYGWIN, test $is_cygwin = yes) AM_CONDITIONAL(IS_MINGW, test $is_mingw = yes) diff --git a/src/Makefile.am b/src/Makefile.am index 2647fd5..208041f 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -16,7 +16,7 @@ else MINGWLDADD = endif -if FTDI2232 +if FT2232_LIBFTDI FTDI2232LIB = -lftdi else FTDI2232LIB = @@ -32,7 +32,7 @@ else FTD2XXLDADD = -lftd2xx endif -if FTD2XX +if FT2232_FTD2XX FTD2XXLIB = $(FTD2XXLDADD) else FTD2XXLIB = diff --git a/src/jtag/Makefile.am b/src/jtag/Makefile.am index bb9337a..ec46111 100644 --- a/src/jtag/Makefile.am +++ b/src/jtag/Makefile.am @@ -25,16 +25,16 @@ else PARPORTFILES = endif -if FTDI2232 -FTDI2232FILES = ftdi2232.c +if FT2232_LIBFTDI +FT2232FILES = ft2232.c else -FTDI2232FILES = +FT2232FILES = endif -if FTD2XX -FTD2XXFILES = ftd2xx.c +if FT2232_FTD2XX +FT2232FILES = ft2232.c else -FTD2XXFILES = +FT2232FILES = endif if AMTJTAGACCEL @@ -49,6 +49,6 @@ else EP93XXFILES = endif -libjtag_a_SOURCES = jtag.c $(BITBANGFILES) $(PARPORTFILES) $(FTDI2232FILES) $(FTD2XXFILES) $(AMTJTAGACCELFILES) $(EP93XXFILES) +libjtag_a_SOURCES = jtag.c $(BITBANGFILES) $(PARPORTFILES) $(FT2232FILES) $(AMTJTAGACCELFILES) $(EP93XXFILES) noinst_HEADERS = bitbang.h jtag.h diff --git a/src/jtag/ftd2xx.c b/src/jtag/ft2232.c index 050f9c0..6497582 100644 --- a/src/jtag/ftd2xx.c +++ b/src/jtag/ft2232.c @@ -1,5 +1,5 @@ /*************************************************************************** - * Copyright (C) 2004 by Dominic Rath * + * Copyright (C) 2004, 2006 by Dominic Rath * * Dominic.Rath@gmx.de * * * * This program is free software; you can redistribute it and/or modify * @@ -39,7 +39,13 @@ #include <string.h> #include <stdlib.h> #include <unistd.h> + +/* FT2232 access library includes */ +#if BUILD_FT2232_FTD2XX == 1 #include <ftd2xx.h> +#elif BUILD_FT2232_LIBFTDI == 1 +#include <ftdi.h> +#endif #include <sys/time.h> #include <time.h> @@ -56,41 +62,35 @@ #define _DEBUG_USB_COMMS_ #endif -/* enable this to work around ftd2xx deadlock - */ -#if 0 -#define _FTD2XX_QUEUE_DELAY_ -#endif - -int ftd2xx_execute_queue(void); +int ft2232_execute_queue(void); -int ftd2xx_speed(int speed); -int ftd2xx_register_commands(struct command_context_s *cmd_ctx); -int ftd2xx_init(void); -int ftd2xx_quit(void); +int ft2232_speed(int speed); +int ft2232_register_commands(struct command_context_s *cmd_ctx); +int ft2232_init(void); +int ft2232_quit(void); -int ftd2xx_handle_device_desc_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int ftd2xx_handle_layout_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int ftd2xx_handle_vid_pid_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); +int ft2232_handle_device_desc_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); +int ft2232_handle_layout_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); +int ft2232_handle_vid_pid_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -char *ftd2xx_device_desc = NULL; -char *ftd2xx_layout = NULL; -u16 ftd2xx_vid = 0x0403; -u16 ftd2xx_pid = 0x6010; +char *ft2232_device_desc = NULL; +char *ft2232_layout = NULL; +u16 ft2232_vid = 0x0403; +u16 ft2232_pid = 0x6010; -typedef struct ftd2xx_layout_s +typedef struct ft2232_layout_s { char* name; int(*init)(void); void(*reset)(int trst, int srst); -} ftd2xx_layout_t; +} ft2232_layout_t; int usbjtag_init(void); int jtagkey_init(void); void usbjtag_reset(int trst, int srst); void jtagkey_reset(int trst, int srst); -ftd2xx_layout_t ftd2xx_layouts[] = +ft2232_layout_t ft2232_layouts[] = { {"usbjtag", usbjtag_init, usbjtag_reset}, {"jtagkey", jtagkey_init, jtagkey_reset}, @@ -100,68 +100,138 @@ ftd2xx_layout_t ftd2xx_layouts[] = static u8 nTRST, nTRSTnOE, nSRST, nSRSTnOE; -static ftd2xx_layout_t *layout; +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; + +#if BUILD_FT2232_FTD2XX == 1 static FT_HANDLE ftdih = NULL; +#elif BUILD_FT2232_LIBFTDI == 1 +static struct ftdi_context ftdic; +#endif -static u8 *ftd2xx_buffer = NULL; -static int ftd2xx_buffer_size = 0; -static int ftd2xx_read_pointer = 0; -static int ftd2xx_expect_read = 0; -#define FTD2XX_BUFFER_SIZE 131072 -#define BUFFER_ADD ftd2xx_buffer[ftd2xx_buffer_size++] -#define BUFFER_READ ftd2xx_buffer[ftd2xx_read_pointer++] +static u8 *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 ftd2xx_interface = +jtag_interface_t ft2232_interface = { - .name = "ftd2xx", + .name = "ft2232", - .execute_queue = ftd2xx_execute_queue, + .execute_queue = ft2232_execute_queue, .support_statemove = 1, - .speed = ftd2xx_speed, - .register_commands = ftd2xx_register_commands, - .init = ftd2xx_init, - .quit = ftd2xx_quit, + .speed = ft2232_speed, + .register_commands = ft2232_register_commands, + .init = ft2232_init, + .quit = ft2232_quit, }; -int ftd2xx_speed(int speed) +int ft2232_write(u8 *buf, int size, u32* bytes_written) { - u8 buf[3]; +#if BUILD_FT2232_FTD2XX == 1 FT_STATUS status; - DWORD bytes_written; + DWORD dw_bytes_written; + if ((status = FT_Write(ftdih, buf, size, &dw_bytes_written)) != FT_OK) + { + *bytes_written = dw_bytes_written; + ERROR("FT_Write returned: %i", status); + return ERROR_JTAG_DEVICE_ERROR; + } + else + { + *bytes_written = dw_bytes_written; + return ERROR_OK; + } +#elif BUILD_FT2232_LIBFTDI == 1 + int retval; + if ((retval = ftdi_write_data(&ftdic, buf, size)) < 0) + { + *bytes_written = 0; + ERROR("ftdi_write_data: %s", ftdi_get_error_string(&ftdic)); + return ERROR_JTAG_DEVICE_ERROR; + } + else + { + *bytes_written = retval; + return ERROR_OK; + } +#endif +} + +int ft2232_read(u8* buf, int size, u32* bytes_read) +{ +#if BUILD_FT2232_FTD2XX == 1 + DWORD dw_bytes_read; + FT_STATUS status; + if ((status = FT_Read(ftdih, buf, size, &dw_bytes_read)) != FT_OK) + { + *bytes_read = dw_bytes_read; + ERROR("FT_Read returned: %i", status); + return ERROR_JTAG_DEVICE_ERROR; + } + *bytes_read = dw_bytes_read; + return ERROR_OK; + +#elif BUILD_FT2232_LIBFTDI == 1 + int retval; + int timeout = 100; + *bytes_read = 0; + + while ((*bytes_read < size) && timeout--) + { + if ((retval = ftdi_read_data(&ftdic, buf + *bytes_read, size - *bytes_read)) < 0) + { + *bytes_read = 0; + ERROR("ftdi_read_data: %s", ftdi_get_error_string(&ftdic)); + return ERROR_JTAG_DEVICE_ERROR; + } + *bytes_read += retval; + } + return ERROR_OK; +#endif +} + +int ft2232_speed(int speed) +{ + u8 buf[3]; + int retval; + u32 bytes_written; buf[0] = 0x86; /* command "set divisor" */ buf[1] = speed & 0xff; /* valueL (0=6MHz, 1=3MHz, 2=1.5MHz, ...*/ buf[2] = (speed >> 8) & 0xff; /* valueH */ DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - if (((status = FT_Write(ftdih, buf, 3, &bytes_written)) != FT_OK) || (bytes_written != 3)) + if (((retval = ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3)) { - ERROR("couldn't write to ftdi device: %i", status); - return status; + ERROR("couldn't set FT2232 TCK speed"); + return retval; } return ERROR_OK; } -int ftd2xx_register_commands(struct command_context_s *cmd_ctx) +int ft2232_register_commands(struct command_context_s *cmd_ctx) { - register_command(cmd_ctx, NULL, "ftd2xx_device_desc", ftd2xx_handle_device_desc_command, + register_command(cmd_ctx, NULL, "ft2232_device_desc", ft2232_handle_device_desc_command, COMMAND_CONFIG, NULL); - register_command(cmd_ctx, NULL, "ftd2xx_layout", ftd2xx_handle_layout_command, + register_command(cmd_ctx, NULL, "ft2232_layout", ft2232_handle_layout_command, COMMAND_CONFIG, NULL); - register_command(cmd_ctx, NULL, "ftd2xx_vid_pid", ftd2xx_handle_vid_pid_command, + register_command(cmd_ctx, NULL, "ft2232_vid_pid", ft2232_handle_vid_pid_command, COMMAND_CONFIG, NULL); return ERROR_OK; } -void ftd2xx_end_state(state) +void ft2232_end_state(state) { if (tap_move_map[state] != -1) end_state = state; @@ -172,7 +242,7 @@ void ftd2xx_end_state(state) } } -void ftd2xx_read_scan(enum scan_type type, u8* buffer, int scan_size) +void ft2232_read_scan(enum scan_type type, u8* buffer, int scan_size) { int num_bytes = ((scan_size + 7) / 8); int bits_left = scan_size; @@ -196,15 +266,15 @@ void ftd2xx_read_scan(enum scan_type type, u8* buffer, int scan_size) } -void ftd2xx_debug_dump_buffer(void) +void ft2232_debug_dump_buffer(void) { int i; char line[256]; char *line_p = line; - for (i = 0; i < ftd2xx_buffer_size; i++) + for (i = 0; i < ft2232_buffer_size; i++) { - line_p += snprintf(line_p, 256 - (line_p - line), "%2.2x ", ftd2xx_buffer[i]); + line_p += snprintf(line_p, 256 - (line_p - line), "%2.2x ", ft2232_buffer[i]); if (i % 16 == 15) { DEBUG("%s", line); @@ -216,15 +286,15 @@ void ftd2xx_debug_dump_buffer(void) DEBUG("%s", line); } -int ftd2xx_send_and_recv(jtag_command_t *first, jtag_command_t *last) +int ft2232_send_and_recv(jtag_command_t *first, jtag_command_t *last) { jtag_command_t *cmd; u8 *buffer; int scan_size; enum scan_type type; - FT_STATUS status; - DWORD bytes_written; - DWORD bytes_read; + int retval; + u32 bytes_written; + u32 bytes_read; #ifdef _DEBUG_USB_IO_ struct timeval start, inter, inter2, end; @@ -232,17 +302,17 @@ int ftd2xx_send_and_recv(jtag_command_t *first, jtag_command_t *last) #endif #ifdef _DEBUG_USB_COMMS_ - DEBUG("write buffer (size %i):", ftd2xx_buffer_size); - ftd2xx_debug_dump_buffer(); + DEBUG("write buffer (size %i):", ft2232_buffer_size); + ft2232_debug_dump_buffer(); #endif #ifdef _DEBUG_USB_IO_ gettimeofday(&start, NULL); #endif - if ((status = FT_Write(ftdih, ftd2xx_buffer, ftd2xx_buffer_size, &bytes_written)) != FT_OK) + if ((retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written)) != ERROR_OK) { - ERROR("couldn't write to ftdi device: %i", status); + ERROR("couldn't write MPSSE commands to FT2232"); exit(-1); } @@ -250,32 +320,21 @@ int ftd2xx_send_and_recv(jtag_command_t *first, jtag_command_t *last) gettimeofday(&inter, NULL); #endif - if (ftd2xx_expect_read) + if (ft2232_expect_read) { int timeout = 100; - ftd2xx_buffer_size = 0; - -#ifdef _FTD2XX_QUEUE_DELAY_ - DWORD inrxqueue = 0; - while (inrxqueue < ftd2xx_expect_read) - { - FT_GetQueueStatus(ftdih, &inrxqueue); - if (inrxqueue >= ftd2xx_expect_read) - break; - usleep(1000); - }; -#endif + ft2232_buffer_size = 0; #ifdef _DEBUG_USB_IO_ - gettimeofday(&inter2, NULL); + gettimeofday(&inter2, NULL); #endif - - if ((status = FT_Read(ftdih, ftd2xx_buffer, ftd2xx_expect_read, &bytes_read)) != FT_OK) + + if ((retval = ft2232_read(ft2232_buffer, ft2232_expect_read, &bytes_read)) != ERROR_OK) { - ERROR("couldn't read from ftdi device: %i", status); + ERROR("couldn't read from FT2232"); exit(-1); } - + #ifdef _DEBUG_USB_IO_ gettimeofday(&end, NULL); @@ -287,24 +346,24 @@ int ftd2xx_send_and_recv(jtag_command_t *first, jtag_command_t *last) #endif - ftd2xx_buffer_size = bytes_read; + ft2232_buffer_size = bytes_read; - if (ftd2xx_expect_read != ftd2xx_buffer_size) + if (ft2232_expect_read != ft2232_buffer_size) { - ERROR("ftd2xx_expect_read (%i) != ftd2xx_buffer_size (%i) (%i retries)", ftd2xx_expect_read, ftd2xx_buffer_size, 100 - timeout); - ftd2xx_debug_dump_buffer(); + ERROR("ft2232_expect_read (%i) != ft2232_buffer_size (%i) (%i retries)", ft2232_expect_read, ft2232_buffer_size, 100 - timeout); + ft2232_debug_dump_buffer(); exit(-1); } #ifdef _DEBUG_USB_COMMS_ - DEBUG("read buffer (%i retries): %i bytes", 100 - timeout, ftd2xx_buffer_size); - ftd2xx_debug_dump_buffer(); + DEBUG("read buffer (%i retries): %i bytes", 100 - timeout, ft2232_buffer_size); + ft2232_debug_dump_buffer(); #endif } - ftd2xx_expect_read = 0; - ftd2xx_read_pointer = 0; + ft2232_expect_read = 0; + ft2232_read_pointer = 0; cmd = first; while (cmd != last) @@ -317,7 +376,7 @@ int ftd2xx_send_and_recv(jtag_command_t *first, jtag_command_t *last) { scan_size = jtag_scan_size(cmd->cmd.scan); buffer = calloc(CEIL(scan_size, 8), 1); - ftd2xx_read_scan(type, buffer, scan_size); + ft2232_read_scan(type, buffer, scan_size); jtag_read_buffer(buffer, cmd->cmd.scan); free(buffer); } @@ -328,12 +387,12 @@ int ftd2xx_send_and_recv(jtag_command_t *first, jtag_command_t *last) cmd = cmd->next; } - ftd2xx_buffer_size = 0; + ft2232_buffer_size = 0; return ERROR_OK; } -void ftd2xx_add_pathmove(pathmove_command_t *cmd) +void ft2232_add_pathmove(pathmove_command_t *cmd) { int num_states = cmd->num_states; u8 tms_byte; @@ -373,7 +432,7 @@ void ftd2xx_add_pathmove(pathmove_command_t *cmd) end_state = cur_state; } -void ftd2xx_add_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size) +void ft2232_add_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size) { int num_bytes = (scan_size + 7) / 8; int bits_left = scan_size; @@ -490,7 +549,7 @@ void ftd2xx_add_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size } -int ftd2xx_predict_scan_out(int scan_size, enum scan_type type) +int ft2232_predict_scan_out(int scan_size, enum scan_type type) { int predicted_size = 3; @@ -515,7 +574,7 @@ int ftd2xx_predict_scan_out(int scan_size, enum scan_type type) return predicted_size; } -int ftd2xx_predict_scan_in(int scan_size, enum scan_type type) +int ft2232_predict_scan_in(int scan_size, enum scan_type type) { int predicted_size = 0; @@ -614,7 +673,7 @@ void jtagkey_reset(int trst, int srst) DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_direction); } -int ftd2xx_execute_queue() +int ft2232_execute_queue() { jtag_command_t *cmd = jtag_command_queue; /* currently processed command */ jtag_command_t *first_unsent = cmd; /* next command that has to be sent */ @@ -625,8 +684,8 @@ int ftd2xx_execute_queue() int predicted_size = 0; int require_send = 0; - ftd2xx_buffer_size = 0; - ftd2xx_expect_read = 0; + ft2232_buffer_size = 0; + ft2232_expect_read = 0; while (cmd) { @@ -634,14 +693,14 @@ int ftd2xx_execute_queue() { case JTAG_END_STATE: if (cmd->cmd.end_state->end_state != -1) - ftd2xx_end_state(cmd->cmd.end_state->end_state); + ft2232_end_state(cmd->cmd.end_state->end_state); break; case JTAG_RESET: /* only send the maximum buffer size that FT2232C can handle */ predicted_size = 3; - if (ftd2xx_buffer_size + predicted_size + 1 > FTD2XX_BUFFER_SIZE) + if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE) { - ftd2xx_send_and_recv(first_unsent, cmd); + ft2232_send_and_recv(first_unsent, cmd); require_send = 0; first_unsent = cmd; } @@ -663,9 +722,9 @@ int ftd2xx_execute_queue() predicted_size += 3; if ((cmd->cmd.runtest->end_state == -1) && (end_state != TAP_RTI)) predicted_size += 3; - if (ftd2xx_buffer_size + predicted_size + 1 > FTD2XX_BUFFER_SIZE) + if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE) { - ftd2xx_send_and_recv(first_unsent, cmd); + ft2232_send_and_recv(first_unsent, cmd); require_send = 0; first_unsent = cmd; } @@ -694,7 +753,7 @@ int ftd2xx_execute_queue() //DEBUG("added TMS scan (no read)"); } if (cmd->cmd.runtest->end_state != -1) - ftd2xx_end_state(cmd->cmd.runtest->end_state); + ft2232_end_state(cmd->cmd.runtest->end_state); if (cur_state != end_state) { /* command "Clock Data to TMS/CS Pin (no Read)" */ @@ -714,14 +773,14 @@ int ftd2xx_execute_queue() case JTAG_STATEMOVE: /* only send the maximum buffer size that FT2232C can handle */ predicted_size = 3; - if (ftd2xx_buffer_size + predicted_size + 1 > FTD2XX_BUFFER_SIZE) + if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE) { - ftd2xx_send_and_recv(first_unsent, cmd); + ft2232_send_and_recv(first_unsent, cmd); require_send = 0; first_unsent = cmd; } if (cmd->cmd.statemove->end_state != -1) - ftd2xx_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; /* scan 7 bit */ @@ -738,13 +797,13 @@ int ftd2xx_execute_queue() case JTAG_PATHMOVE: /* only send the maximum buffer size that FT2232C can handle */ predicted_size = 3 * CEIL(cmd->cmd.pathmove->num_states, 7); - if (ftd2xx_buffer_size + predicted_size + 1 > FTD2XX_BUFFER_SIZE) + if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE) { - ftd2xx_send_and_recv(first_unsent, cmd); + ft2232_send_and_recv(first_unsent, cmd); require_send = 0; first_unsent = cmd; } - ftd2xx_add_pathmove(cmd->cmd.pathmove); + ft2232_add_pathmove(cmd->cmd.pathmove); require_send = 1; #ifdef _DEBUG_JTAG_IO_ DEBUG("pathmove: %i states, end in %i", cmd->cmd.pathmove->num_states, cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]); @@ -753,19 +812,19 @@ int ftd2xx_execute_queue() case JTAG_SCAN: scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer); type = jtag_scan_type(cmd->cmd.scan); - predicted_size = ftd2xx_predict_scan_out(scan_size, type); - if (ftd2xx_buffer_size + predicted_size + 1 > FTD2XX_BUFFER_SIZE) + predicted_size = ft2232_predict_scan_out(scan_size, type); + if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE) { DEBUG("ftd2xx buffer size reached, sending queued commands (first_unsent: %x, cmd: %x)", first_unsent, cmd); - ftd2xx_send_and_recv(first_unsent, cmd); + ft2232_send_and_recv(first_unsent, cmd); require_send = 0; first_unsent = cmd; } - ftd2xx_expect_read += ftd2xx_predict_scan_in(scan_size, type); - //DEBUG("new read size: %i", ftd2xx_expect_read); + ft2232_expect_read += ft2232_predict_scan_in(scan_size, type); + //DEBUG("new read size: %i", ft2232_expect_read); if (cmd->cmd.scan->end_state != -1) - ftd2xx_end_state(cmd->cmd.scan->end_state); - ftd2xx_add_scan(cmd->cmd.scan->ir_scan, type, buffer, scan_size); + 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); @@ -774,7 +833,7 @@ int ftd2xx_execute_queue() #endif break; case JTAG_SLEEP: - ftd2xx_send_and_recv(first_unsent, cmd); + ft2232_send_and_recv(first_unsent, cmd); first_unsent = cmd->next; jtag_sleep(cmd->cmd.sleep->us); #ifdef _DEBUG_JTAG_IO_ @@ -789,30 +848,33 @@ int ftd2xx_execute_queue() } if (require_send > 0) - ftd2xx_send_and_recv(first_unsent, cmd); + ft2232_send_and_recv(first_unsent, cmd); return ERROR_OK; } -int ftd2xx_init(void) +int ft2232_init(void) { u8 latency_timer; - FT_STATUS status; - DWORD num_devices; u8 buf[1]; - DWORD bytes_written; + int retval; + u32 bytes_written; - ftd2xx_layout_t *cur_layout = ftd2xx_layouts; +#if BUILD_FT2232_FTD2XX == 1 + FT_STATUS status; +#endif + + ft2232_layout_t *cur_layout = ft2232_layouts; - if ((ftd2xx_layout == NULL) || (ftd2xx_layout[0] == 0)) + if ((ft2232_layout == NULL) || (ft2232_layout[0] == 0)) { - ftd2xx_layout = "usbjtag"; - WARNING("No ftd2xx layout specified, using default 'usbjtag'"); + ft2232_layout = "usbjtag"; + WARNING("No ft2232 layout specified, using default 'usbjtag'"); } while (cur_layout->name) { - if (strcmp(cur_layout->name, ftd2xx_layout) == 0) + if (strcmp(cur_layout->name, ft2232_layout) == 0) { layout = cur_layout; break; @@ -822,26 +884,36 @@ int ftd2xx_init(void) if (!layout) { - ERROR("No matching layout found for %s", ftd2xx_layout); + ERROR("No matching layout found for %s", ft2232_layout); return ERROR_JTAG_INIT_FAILED; } - if (ftd2xx_device_desc == NULL) +#if BUILD_FT2232_FTD2XX == 1 + DEBUG("'ft2232' interface using FTD2XX with '%s' layout", ft2232_layout); +#elif BUILD_FT2232_LIBFTDI == 1 + DEBUG("'ft2232' interface using libftdi with '%s' layout", ft2232_layout); +#endif + + if (ft2232_device_desc == NULL) { WARNING("no ftd2xx device description specified, using default 'Dual RS232'"); - ftd2xx_device_desc = "Dual RS232"; + ft2232_device_desc = "Dual RS232"; } - + +#if BUILD_FT2232_FTD2XX == 1 + #if IS_WIN32 == 0 - /* Add JTAGkey Vid/Pid to the linux driver */ - if ((status = FT_SetVIDPID(ftd2xx_vid, ftd2xx_pid)) != FT_OK) + /* Add non-standard Vid/Pid to the linux driver */ + if ((status = FT_SetVIDPID(ft2232_vid, ft2232_pid)) != FT_OK) { - WARNING("couldn't add %4.4x:%4.4x", ftd2xx_vid, ftd2xx_pid); + WARNING("couldn't add %4.4x:%4.4x", ft2232_vid, ft2232_pid); } #endif - if ((status = FT_OpenEx(ftd2xx_device_desc, FT_OPEN_BY_DESCRIPTION, &ftdih)) != FT_OK) + if ((status = FT_OpenEx(ft2232_device_desc, FT_OPEN_BY_DESCRIPTION, &ftdih)) != FT_OK) { + DWORD num_devices; + ERROR("unable to open ftdi device: %i", status); status = FT_ListDevices(&num_devices, NULL, FT_LIST_NUMBER_ONLY); if (status == FT_OK) @@ -894,27 +966,74 @@ int ftd2xx_init(void) ERROR("unable to enable bit i/o mode: %i", status); return ERROR_JTAG_INIT_FAILED; } +#elif BUILD_FT2232_LIBFTDI == 1 + if (ftdi_init(&ftdic) < 0) + return ERROR_JTAG_INIT_FAILED; + + /* context, vendor id, product id */ + if (ftdi_usb_open(&ftdic, ft2232_vid, ft2232_pid) < 0) + { + ERROR("unable to open ftdi device: %s", ftdic.error_str); + return ERROR_JTAG_INIT_FAILED; + } + + if (ftdi_usb_reset(&ftdic) < 0) + { + ERROR("unable to reset ftdi device"); + return ERROR_JTAG_INIT_FAILED; + } + + if (ftdi_set_latency_timer(&ftdic, 2) < 0) + { + ERROR("unable to set latency timer"); + return ERROR_JTAG_INIT_FAILED; + } + + if (ftdi_get_latency_timer(&ftdic, &latency_timer) < 0) + { + ERROR("unable to get latency timer"); + return ERROR_JTAG_INIT_FAILED; + } + else + { + DEBUG("current latency timer: %i", latency_timer); + } + + ftdic.bitbang_mode = 0; /* Reset controller */ + ftdi_enable_bitbang(&ftdic, 0x0b); /* ctx, JTAG I/O mask */ - ftd2xx_buffer_size = 0; - ftd2xx_buffer = malloc(FTD2XX_BUFFER_SIZE); + ftdic.bitbang_mode = 2; /* MPSSE mode */ + ftdi_enable_bitbang(&ftdic, 0x0b); /* ctx, JTAG I/O mask */ +#endif + + ft2232_buffer_size = 0; + ft2232_buffer = malloc(FT2232_BUFFER_SIZE); if (layout->init() != ERROR_OK) return ERROR_JTAG_INIT_FAILED; - ftd2xx_speed(jtag_speed); + ft2232_speed(jtag_speed); buf[0] = 0x85; /* Disconnect TDI/DO to TDO/DI for Loopback */ - if (((status = FT_Write(ftdih, buf, 1, &bytes_written)) != FT_OK) || (bytes_written != 1)) + if (((retval = ft2232_write(buf, 1, &bytes_written)) != ERROR_OK) || (bytes_written != 1)) { - ERROR("couldn't write to ftdi device: %i", status); + ERROR("couldn't write to FT2232 to disable loopback"); return ERROR_JTAG_INIT_FAILED; } - + +#if BUILD_FT2232_FTD2XX == 1 if ((status = FT_Purge(ftdih, FT_PURGE_RX | FT_PURGE_TX)) != FT_OK) { ERROR("error purging ftd2xx device: %i", status); return ERROR_JTAG_INIT_FAILED; } +#elif BUILD_FT2232_LIBFTDI == 1 + if (ftdi_usb_purge_buffers(&ftdic) < 0) + { + ERROR("ftdi_purge_buffers: %s", ftdic.error_str); + return ERROR_JTAG_INIT_FAILED; + } +#endif return ERROR_OK; } @@ -922,8 +1041,7 @@ int ftd2xx_init(void) int usbjtag_init(void) { u8 buf[3]; - FT_STATUS status; - DWORD bytes_written; + u32 bytes_written; low_output = 0x08; low_direction = 0x0b; @@ -961,9 +1079,9 @@ int usbjtag_init(void) buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in */ DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - if (((FT_Write(ftdih, buf, 3, &bytes_written)) != FT_OK) || (bytes_written != 3)) + if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3)) { - ERROR("couldn't write to ftdi device: %i", status); + ERROR("couldn't initialize FT2232 with 'USBJTAG' layout"); return ERROR_JTAG_INIT_FAILED; } @@ -973,8 +1091,7 @@ int usbjtag_init(void) int jtagkey_init(void) { u8 buf[3]; - FT_STATUS status; - DWORD bytes_written; + u32 bytes_written; low_output = 0x08; low_direction = 0x1b; @@ -985,9 +1102,9 @@ int jtagkey_init(void) buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE=out */ DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - if (((FT_Write(ftdih, buf, 3, &bytes_written)) != FT_OK) || (bytes_written != 3)) + if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3)) { - ERROR("couldn't write to ftdi device: %i", status); + ERROR("couldn't initialize FT2232 with 'JTAGkey' layout"); return ERROR_JTAG_INIT_FAILED; } @@ -1042,61 +1159,69 @@ int jtagkey_init(void) buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */ DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - if (((FT_Write(ftdih, buf, 3, &bytes_written)) != FT_OK) || (bytes_written != 3)) + if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3)) { - ERROR("couldn't write to ftdi device: %i", status); + ERROR("couldn't initialize FT2232 with 'JTAGkey' layout"); return ERROR_JTAG_INIT_FAILED; } return ERROR_OK; } -int ftd2xx_quit(void) +int ft2232_quit(void) { +#if BUILD_FT2232_FTD2XX == 1 FT_STATUS status; status = FT_Close(ftdih); +#elif BUILD_FT2232_LIBFTDI == 1 + ftdi_disable_bitbang(&ftdic); + + ftdi_usb_close(&ftdic); + + ftdi_deinit(&ftdic); +#endif - free(ftd2xx_buffer); + free(ft2232_buffer); return ERROR_OK; } -int ftd2xx_handle_device_desc_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +int ft2232_handle_device_desc_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { if (argc == 1) { - ftd2xx_device_desc = strdup(args[0]); + ft2232_device_desc = strdup(args[0]); } else { - ERROR("expected exactly one argument to ftd2xx_device_desc <description>"); + ERROR("expected exactly one argument to ft2232_device_desc <description>"); } return ERROR_OK; } -int ftd2xx_handle_layout_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +int ft2232_handle_layout_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { if (argc == 0) return ERROR_OK; - ftd2xx_layout = malloc(strlen(args[0]) + 1); - strcpy(ftd2xx_layout, args[0]); + ft2232_layout = malloc(strlen(args[0]) + 1); + strcpy(ft2232_layout, args[0]); return ERROR_OK; } -int ftd2xx_handle_vid_pid_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +int ft2232_handle_vid_pid_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { if (argc >= 2) { - ftd2xx_vid = strtol(args[0], NULL, 0); - ftd2xx_pid = strtol(args[1], NULL, 0); + ft2232_vid = strtol(args[0], NULL, 0); + ft2232_pid = strtol(args[1], NULL, 0); } else { - WARNING("incomplete ftd2xx_vid_pid configuration directive"); + WARNING("incomplete ft2232_vid_pid configuration directive"); } return ERROR_OK; diff --git a/src/jtag/ftdi2232.c b/src/jtag/ftdi2232.c deleted file mode 100644 index c90cc2f..0000000 --- a/src/jtag/ftdi2232.c +++ /dev/null @@ -1,633 +0,0 @@ -/*************************************************************************** - * Copyright (C) 2004 by Dominic Rath * - * Dominic.Rath@gmx.de * - * * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - * This program is distributed in the hope that it will be useful, * - * but WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * - * GNU General Public License for more details. * - * * - * You should have received a copy of the GNU General Public License * - * along with this program; if not, write to the * - * Free Software Foundation, Inc., * - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * - ***************************************************************************/ -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -/* project specific includes */ -#include "log.h" -#include "types.h" -#include "jtag.h" -#include "configuration.h" -#include "command.h" - -/* system includes */ -#include <string.h> -#include <stdlib.h> -#include <unistd.h> -#include <usb.h> -#include <ftdi.h> - -#include <sys/time.h> -#include <time.h> - -/* enable this to debug io latency - */ -#if 0 -#define _DEBUG_USB_IO_ -#endif - -int ftdi2232_execute_queue(void); - -int ftdi2232_speed(int speed); -int ftdi2232_register_commands(struct command_context_s *cmd_ctx); -int ftdi2232_init(void); -int ftdi2232_quit(void); - -enum { FTDI2232_TRST = 0x10, FTDI2232_SRST = 0x40 }; -static u8 discrete_output = 0x0 | FTDI2232_TRST | FTDI2232_SRST; -static struct ftdi_context ftdic; - -static u8 *ftdi2232_buffer = NULL; -static int ftdi2232_buffer_size = 0; -static int ftdi2232_read_pointer = 0; -static int ftdi2232_expect_read = 0; -#define FTDI2232_BUFFER_SIZE 131072 -#define BUFFER_ADD ftdi2232_buffer[ftdi2232_buffer_size++] -#define BUFFER_READ ftdi2232_buffer[ftdi2232_read_pointer++] - -#define FTDI2232_SAVE_SIZE 1024 - -int ftdi2232_handle_vid_pid_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); - -static u16 ftdi2232_vid = 0x0403; -static u16 ftdi2232_pid = 0x6010; - -jtag_interface_t ftdi2232_interface = -{ - - .name = "ftdi2232", - - .execute_queue = ftdi2232_execute_queue, - - .support_statemove = 1, - - .speed = ftdi2232_speed, - .register_commands = ftdi2232_register_commands, - .init = ftdi2232_init, - .quit = ftdi2232_quit, -}; - -int ftdi2232_speed(int speed) -{ - u8 buf[3]; - - buf[0] = 0x86; /* command "set divisor" */ - buf[1] = speed & 0xff; /* valueL (0=6MHz, 1=3MHz, 2=1.5MHz, ...*/ - buf[2] = (speed >> 8) & 0xff; /* valueH */ - - DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]); - ftdi_write_data(&ftdic, buf, 3); - - return ERROR_OK; -} - -int ftdi2232_register_commands(struct command_context_s *cmd_ctx) -{ - register_command(cmd_ctx, NULL, "ftdi2232_vid_pid", ftdi2232_handle_vid_pid_command, - COMMAND_CONFIG, NULL); - - return ERROR_OK; -} - -void ftdi2232_end_state(state) -{ - if (tap_move_map[state] != -1) - end_state = state; - else - { - ERROR("BUG: %i is not a valid end state", state); - exit(-1); - } -} - -void ftdi2232_read_scan(enum scan_type type, u8* buffer, int scan_size) -{ - int num_bytes = ((scan_size + 7) / 8); - int bits_left = scan_size; - int cur_byte = 0; - - while(num_bytes-- > 1) - { - buffer[cur_byte] = BUFFER_READ; - cur_byte++; - bits_left -= 8; - } - - buffer[cur_byte] = 0x0; - - if (bits_left > 1) - { - buffer[cur_byte] = BUFFER_READ >> 1; - } - - buffer[cur_byte] = (buffer[cur_byte] | ((BUFFER_READ & 0x02) << 6)) >> (8 - bits_left); - -} - -void ftdi2232_debug_dump_buffer(void) -{ - int i; - for (i = 0; i < ftdi2232_buffer_size; i++) - { - printf("%2.2x ", ftdi2232_buffer[i]); - if (i % 16 == 15) - printf("\n"); - } - printf("\n"); - fflush(stdout); -} - -int ftdi2232_send_and_recv(jtag_command_t *first, jtag_command_t *last) -{ - jtag_command_t *cmd; - u8 *buffer; - int scan_size; - enum scan_type type; - int retval; - - BUFFER_ADD = 0x87; /* send immediate command */ - - if (ftdi2232_buffer_size > FTDI2232_SAVE_SIZE) - { - ERROR("BUG: ftdi2232_buffer grew beyond %i byte (%i) - this is going to fail", FTDI2232_SAVE_SIZE, ftdi2232_buffer_size); - } - -#ifdef _DEBUG_USB_IO_ - DEBUG("write buffer (size %i):", ftdi2232_buffer_size); - ftdi2232_debug_dump_buffer(); -#endif - - if ((retval = ftdi_write_data(&ftdic, ftdi2232_buffer, ftdi2232_buffer_size)) < 0) - { - ERROR("ftdi_write_data returned %i", retval); - exit(-1); - } - - if (ftdi2232_expect_read) - { - int timeout = 100; - ftdi2232_buffer_size = 0; - - while ((ftdi2232_buffer_size < ftdi2232_expect_read) && timeout) - { - ftdi2232_buffer_size += ftdi_read_data(&ftdic, ftdi2232_buffer + ftdi2232_buffer_size, FTDI2232_BUFFER_SIZE - ftdi2232_buffer_size); - timeout--; - } - - if (ftdi2232_expect_read != ftdi2232_buffer_size) - { - ERROR("ftdi2232_expect_read (%i) != ftdi2232_buffer_size (%i) (%i retries)", ftdi2232_expect_read, ftdi2232_buffer_size, 100 - timeout); - ftdi2232_debug_dump_buffer(); - - exit(-1); - } - -#ifdef _DEBUG_USB_IO_ - DEBUG("read buffer (%i retries): %i bytes", 100 - timeout, ftdi2232_buffer_size); - ftdi2232_debug_dump_buffer(); -#endif - } - - ftdi2232_expect_read = 0; - ftdi2232_read_pointer = 0; - - cmd = first; - while (cmd != last) - { - switch (cmd->type) - { - case JTAG_SCAN: - type = jtag_scan_type(cmd->cmd.scan); - if (type != SCAN_OUT) - { - scan_size = jtag_scan_size(cmd->cmd.scan); - buffer = calloc(CEIL(scan_size, 8), 1); - ftdi2232_read_scan(type, buffer, scan_size); - jtag_read_buffer(buffer, cmd->cmd.scan); - free(buffer); - } - break; - default: - break; - } - cmd = cmd->next; - } - - ftdi2232_buffer_size = 0; - - return ERROR_OK; -} - -void ftdi2232_add_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size) -{ - int num_bytes = (scan_size + 7) / 8; - int bits_left = scan_size; - int cur_byte = 0; - int last_bit; - - /* command "Clock Data to TMS/CS Pin (no Read)" */ - BUFFER_ADD = 0x4b; - /* scan 7 bit */ - BUFFER_ADD = 0x6; - /* TMS data bits */ - if (ir_scan) - { - BUFFER_ADD = TAP_MOVE(cur_state, TAP_SI); - cur_state = TAP_SI; - } - else - { - BUFFER_ADD = TAP_MOVE(cur_state, TAP_SD); - cur_state = TAP_SD; - } - //DEBUG("added TMS scan (no read)"); - - /* add command for complete bytes */ - if (num_bytes > 1) - { - if (type == SCAN_IO) - { - /* Clock Data Bytes In and Out LSB First */ - BUFFER_ADD = 0x39; - //DEBUG("added TDI bytes (io %i)", num_bytes); - } - else if (type == SCAN_OUT) - { - /* Clock Data Bytes Out on -ve Clock Edge LSB First (no Read) */ - BUFFER_ADD = 0x19; - //DEBUG("added TDI bytes (o)"); - } - else if (type == SCAN_IN) - { - /* Clock Data Bytes In on +ve Clock Edge LSB First (no Write) */ - BUFFER_ADD = 0x28; - //DEBUG("added TDI bytes (i %i)", num_bytes); - } - BUFFER_ADD = (num_bytes-2) & 0xff; - BUFFER_ADD = ((num_bytes-2) >> 8) & 0xff; - } - if (type != SCAN_IN) - { - /* add complete bytes */ - while(num_bytes-- > 1) - { - BUFFER_ADD = buffer[cur_byte]; - cur_byte++; - bits_left -= 8; - } - } - if (type == SCAN_IN) - { - bits_left -= 8 * (num_bytes - 1); - } - - /* the most signifcant bit is scanned during TAP movement */ - if (type != SCAN_IN) - last_bit = (buffer[cur_byte] >> (bits_left - 1)) & 0x1; - else - last_bit = 0; - - /* process remaining bits but the last one */ - if (bits_left > 1) - { - if (type == SCAN_IO) - { - /* Clock Data Bits In and Out LSB First */ - BUFFER_ADD = 0x3b; - //DEBUG("added TDI bits (io) %i", bits_left - 1); - } - else if (type == SCAN_OUT) - { - /* Clock Data Bits Out on -ve Clock Edge LSB First (no Read) */ - BUFFER_ADD = 0x1b; - //DEBUG("added TDI bits (o)"); - } - else if (type == SCAN_IN) - { - /* Clock Data Bits In on +ve Clock Edge LSB First (no Write) */ - BUFFER_ADD = 0x2a; - //DEBUG("added TDI bits (i %i)", bits_left - 1); - } - BUFFER_ADD = bits_left - 2; - if (type != SCAN_IN) - BUFFER_ADD = buffer[cur_byte]; - } - - /* move from Shift-IR/DR to end state */ - if (type != SCAN_OUT) - { - /* Clock Data to TMS/CS Pin with Read */ - BUFFER_ADD = 0x6b; - //DEBUG("added TMS scan (read)"); - } - else - { - /* Clock Data to TMS/CS Pin (no Read) */ - BUFFER_ADD = 0x4b; - //DEBUG("added TMS scan (no read)"); - } - BUFFER_ADD = 0x6; - BUFFER_ADD = TAP_MOVE(cur_state, end_state) | (last_bit << 7); - cur_state = end_state; - -} - -int ftdi2232_predict_scan_out(int scan_size, enum scan_type type) -{ - int predicted_size = 6; - if (type == SCAN_IN) /* only from device to host */ - { - predicted_size += (CEIL(scan_size, 8) > 1) ? 3 : 0; - predicted_size += ((scan_size - 1) % 8) ? 2 : 0; - } - else /* host to device, or bidirectional */ - { - predicted_size += (CEIL(scan_size, 8) > 1) ? (CEIL(scan_size, 8) + 3 - 1) : 0; - predicted_size += ((scan_size - 1) % 8) ? 3 : 0; - } - - return predicted_size; -} - -int ftdi2232_predict_scan_in(int scan_size, enum scan_type type) -{ - int predicted_size = 0; - - if (type != SCAN_OUT) - { - /* complete bytes */ - predicted_size += (CEIL(scan_size, 8) > 1) ? (CEIL(scan_size, 8) - 1) : 0; - /* remaining bits - 1 */ - predicted_size += ((scan_size - 1) % 8) ? 1 : 0; - /* last bit (from TMS scan) */ - predicted_size += 1; - } - - //DEBUG("scan_size: %i, predicted_size: %i", scan_size, predicted_size); - - return predicted_size; -} - -int ftdi2232_execute_queue() -{ - jtag_command_t *cmd = jtag_command_queue; /* currently processed command */ - jtag_command_t *first_unsent = cmd; /* next command that has to be sent */ - u8 *buffer; - int scan_size; /* size of IR or DR scan */ - enum scan_type type; - int i; - int predicted_size = 0; - int require_send = 0; - - ftdi2232_buffer_size = 0; - ftdi2232_expect_read = 0; - - while (cmd) - { - switch(cmd->type) - { - case JTAG_END_STATE: - if (cmd->cmd.end_state->end_state != -1) - ftdi2232_end_state(cmd->cmd.end_state->end_state); - break; - case JTAG_RESET: - /* only send the maximum buffer size that FT2232C can handle */ - predicted_size = 3; - if (ftdi2232_buffer_size + predicted_size + 1 > FTDI2232_SAVE_SIZE) - { - ftdi2232_send_and_recv(first_unsent, cmd); - require_send = 0; - first_unsent = cmd; - } - - if (cmd->cmd.reset->trst == 1) - { - cur_state = TAP_TLR; - discrete_output &= ~FTDI2232_TRST; - } - else if (cmd->cmd.reset->trst == 0) - { - discrete_output |= FTDI2232_TRST; - } - - if (cmd->cmd.reset->srst == 1) - discrete_output &= ~FTDI2232_SRST; - else if (cmd->cmd.reset->srst == 0) - discrete_output |= FTDI2232_SRST; - /* command "set data bits low byte" */ - BUFFER_ADD = 0x80; - /* value (TMS=1,TCK=0, TDI=0, TRST/SRST */ - BUFFER_ADD = 0x08 | discrete_output; - /* dir (output=1), TCK/TDI/TMS=out, TDO=in, TRST/SRST=out */ - BUFFER_ADD = 0x0b | FTDI2232_SRST | FTDI2232_TRST; - require_send = 1; - break; - case JTAG_RUNTEST: - /* only send the maximum buffer size that FT2232C can handle */ - predicted_size = 0; - if (cur_state != TAP_RTI) - predicted_size += 3; - predicted_size += 3 * CEIL(cmd->cmd.runtest->num_cycles, 7); - if ((cmd->cmd.runtest->end_state != -1) && (cmd->cmd.runtest->end_state != TAP_RTI)) - predicted_size += 3; - if ((cmd->cmd.runtest->end_state == -1) && (end_state != TAP_RTI)) - predicted_size += 3; - if (ftdi2232_buffer_size + predicted_size + 1 > FTDI2232_SAVE_SIZE) - { - ftdi2232_send_and_recv(first_unsent, cmd); - require_send = 0; - first_unsent = cmd; - } - if (cur_state != TAP_RTI) - { - /* command "Clock Data to TMS/CS Pin (no Read)" */ - BUFFER_ADD = 0x4b; - /* scan 7 bit */ - BUFFER_ADD = 0x6; - /* TMS data bits */ - BUFFER_ADD = TAP_MOVE(cur_state, TAP_RTI); - cur_state = TAP_RTI; - require_send = 1; - } - i = cmd->cmd.runtest->num_cycles; - while (i > 0) - { - /* command "Clock Data to TMS/CS Pin (no Read)" */ - BUFFER_ADD = 0x4b; - /* scan 7 bit */ - BUFFER_ADD = (i > 7) ? 6 : (i - 1); - /* TMS data bits */ - BUFFER_ADD = 0x0; - cur_state = TAP_RTI; - i -= (i > 7) ? 7 : i; - //DEBUG("added TMS scan (no read)"); - } - if (cmd->cmd.runtest->end_state != -1) - ftdi2232_end_state(cmd->cmd.runtest->end_state); - if (cur_state != 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_MOVE(cur_state, end_state); - cur_state = end_state; - //DEBUG("added TMS scan (no read)"); - } - require_send = 1; - break; - case JTAG_STATEMOVE: - /* only send the maximum buffer size that FT2232C can handle */ - predicted_size = 3; - if (ftdi2232_buffer_size + predicted_size + 1 > FTDI2232_SAVE_SIZE) - { - ftdi2232_send_and_recv(first_unsent, cmd); - require_send = 0; - first_unsent = cmd; - } - if (cmd->cmd.statemove->end_state != -1) - ftdi2232_end_state(cmd->cmd.statemove->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_MOVE(cur_state, end_state); - //DEBUG("added TMS scan (no read)"); - cur_state = end_state; - require_send = 1; - break; - case JTAG_SCAN: - scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer); - type = jtag_scan_type(cmd->cmd.scan); - predicted_size = ftdi2232_predict_scan_out(scan_size, type); - if (ftdi2232_buffer_size + predicted_size + 1 > FTDI2232_SAVE_SIZE) - { - ftdi2232_send_and_recv(first_unsent, cmd); - require_send = 0; - first_unsent = cmd; - } - ftdi2232_expect_read += ftdi2232_predict_scan_in(scan_size, type); - //DEBUG("new read size: %i", ftdi2232_expect_read); - if (cmd->cmd.scan->end_state != -1) - ftdi2232_end_state(cmd->cmd.scan->end_state); - ftdi2232_add_scan(cmd->cmd.scan->ir_scan, type, buffer, scan_size); - require_send = 1; - if (buffer) - free(buffer); - break; - case JTAG_SLEEP: - jtag_sleep(cmd->cmd.sleep->us); - break; - default: - ERROR("BUG: unknown JTAG command type encountered"); - exit(-1); - } - cmd = cmd->next; - } - - if (require_send > 0) - ftdi2232_send_and_recv(first_unsent, cmd); - - return ERROR_OK; -} - -int ftdi2232_init(void) -{ - if (ftdi_init(&ftdic) < 0) - return ERROR_JTAG_INIT_FAILED; - - /* context, vendor id, product id */ - if (ftdi_usb_open(&ftdic, ftdi2232_vid, ftdi2232_pid) < 0) - { - ERROR("unable to open ftdi device: %s", ftdic.error_str); - return ERROR_JTAG_INIT_FAILED; - } - - if (ftdi_usb_reset(&ftdic) < 0) - { - ERROR("unable to reset ftdi device"); - return ERROR_JTAG_INIT_FAILED; - } - - if (ftdi_set_latency_timer(&ftdic, 1) < 0) - { - ERROR("unable to set latency timer"); - return ERROR_JTAG_INIT_FAILED; - } - - ftdi2232_buffer_size = 0; - ftdi2232_buffer = malloc(FTDI2232_BUFFER_SIZE); - - ftdic.bitbang_mode = 0; /* Reset controller */ - ftdi_enable_bitbang(&ftdic, 0x0b | FTDI2232_SRST | FTDI2232_TRST); /* ctx, i/o mask (out=1, in=0) */ - - ftdic.bitbang_mode = 2; /* MPSSE mode */ - ftdi_enable_bitbang(&ftdic, 0x0b | FTDI2232_SRST | FTDI2232_TRST); /* ctx, i/o mask (out=1, in=0) */ - - if (ftdi_usb_purge_buffers(&ftdic) < 0) - { - ERROR("ftdi_purge_buffers: %s", ftdic.error_str); - return ERROR_JTAG_INIT_FAILED; - } - - /* initialize low byte for jtag */ - BUFFER_ADD = 0x80; /* command "set data bits low byte" */ - BUFFER_ADD = 0x08 | FTDI2232_SRST | FTDI2232_TRST; /* value (TMS=1,TCK=0, TDI=0, xRST high) */ - BUFFER_ADD = 0x0b | FTDI2232_SRST | FTDI2232_TRST; /* dir (output=1), TCK/TDI/TMS=out, TDO=in */ - BUFFER_ADD = 0x85; /* command "Disconnect TDI/DO to TDO/DI for Loopback" */ - ftdi2232_debug_dump_buffer(); - if (ftdi_write_data(&ftdic, ftdi2232_buffer, ftdi2232_buffer_size) != 4) - return ERROR_JTAG_INIT_FAILED; - - ftdi2232_speed(jtag_speed); - - return ERROR_OK; -} - -int ftdi2232_quit(void) -{ - ftdi_disable_bitbang(&ftdic); - - ftdi_usb_close(&ftdic); - - ftdi_deinit(&ftdic); - - free(ftdi2232_buffer); - - return ERROR_OK; -} - -int ftdi2232_handle_vid_pid_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - if (argc >= 2) - { - ftdi2232_vid = strtol(args[0], NULL, 0); - ftdi2232_pid = strtol(args[1], NULL, 0); - } - else - { - WARNING("incomplete ftdi2232_vid_pid configuration directive"); - } - - return ERROR_OK; -} diff --git a/src/jtag/jtag.c b/src/jtag/jtag.c index 0ffeb56..a60aacd 100644 --- a/src/jtag/jtag.c +++ b/src/jtag/jtag.c @@ -124,12 +124,12 @@ jtag_event_callback_t *jtag_event_callbacks; extern jtag_interface_t parport_interface; #endif -#if BUILD_FTDI2232 == 1 - extern jtag_interface_t ftdi2232_interface; +#if BUILD_FT2232_FTD2XX == 1 + extern jtag_interface_t ft2232_interface; #endif -#if BUILD_FTD2XX == 1 - extern jtag_interface_t ftd2xx_interface; +#if BUILD_FT2232_LIBFTDI == 1 + extern jtag_interface_t ft2232_interface; #endif #if BUILD_AMTJTAGACCEL == 1 @@ -144,11 +144,11 @@ jtag_interface_t *jtag_interfaces[] = { #if BUILD_PARPORT == 1 &parport_interface, #endif -#if BUILD_FTDI2232 == 1 - &ftdi2232_interface, +#if BUILD_FT2232_FTD2XX == 1 + &ft2232_interface, #endif -#if BUILD_FTD2XX == 1 - &ftd2xx_interface, +#if BUILD_FT2232_LIBFTDI == 1 + &ft2232_interface, #endif #if BUILD_AMTJTAGACCEL == 1 &amt_jtagaccel_interface, @@ -1119,7 +1119,9 @@ int jtag_validate_chain() { if (buf_get_u32(ir_test, chain_pos, 2) != 0x1) { - ERROR("Error validating JTAG scan chain, IR mismatch"); + char *cbuf = buf_to_char(ir_test, total_ir_length); + ERROR("Error validating JTAG scan chain, IR mismatch, scan returned %s", cbuf); + free(cbuf); exit(-1); } chain_pos += device->ir_length; @@ -1128,7 +1130,9 @@ int jtag_validate_chain() if (buf_get_u32(ir_test, chain_pos, 2) != 0x3) { - ERROR("Error validating JTAG scan chain, IR mismatch"); + char *cbuf = buf_to_char(ir_test, total_ir_length); + ERROR("Error validating JTAG scan chain, IR mismatch, scan returned %s", cbuf); + free(cbuf); exit(-1); } @@ -1217,6 +1221,12 @@ int jtag_init(struct command_context_s *cmd_ctx) * didn't match one of the compiled-in interfaces */ ERROR("No valid jtag interface found (%s)", jtag_interface); + ERROR("compiled-in jtag interfaces:"); + for (i = 0; jtag_interfaces[i]; i++) + { + ERROR("%i: %s", i, jtag_interfaces[i]->name); + } + jtag = NULL; return ERROR_JTAG_INVALID_INTERFACE; } diff --git a/src/jtag/jtag.h b/src/jtag/jtag.h index f7630a5..0d71301 100644 --- a/src/jtag/jtag.h +++ b/src/jtag/jtag.h @@ -270,4 +270,5 @@ extern int jtag_register_event_callback(int (*callback)(enum jtag_event event, v #define ERROR_JTAG_QUEUE_FAILED (-104) #define ERROR_JTAG_RESET_WOULD_ASSERT_TRST (-105) #define ERROR_JTAG_RESET_CANT_SRST (-106) +#define ERROR_JTAG_DEVICE_ERROR (-107) #endif /* JTAG_H */ diff --git a/src/jtag/parport.c b/src/jtag/parport.c index 21aa513..4b0b193 100644 --- a/src/jtag/parport.c +++ b/src/jtag/parport.c @@ -51,8 +51,15 @@ #include <stdio.h> #if PARPORT_USE_PPDEV == 1 +#ifdef __FreeBSD__ +#include <dev/ppbus/ppi.h> +#include <dev/ppbus/ppbconf.h> +#define PPRSTATUS PPIGSTATUS +#define PPWDATA PPISDATA +#else #include <linux/parport.h> #include <linux/ppdev.h> +#endif #include <fcntl.h> #include <sys/ioctl.h> #endif @@ -310,11 +317,17 @@ int parport_init(void) return ERROR_JTAG_INIT_FAILED; } +#ifdef __FreeBSD__ + DEBUG("opening /dev/ppi%d...", parport_port); + + snprintf(buffer, 256, "/dev/ppi%d", parport_port); + device_handle = open(buffer, O_WRONLY); +#else DEBUG("opening /dev/parport%d...", parport_port); snprintf(buffer, 256, "/dev/parport%d", parport_port); device_handle = open(buffer, O_WRONLY); - +#endif if (device_handle<0) { ERROR("cannot open device. check it exists and that user read and write rights are set"); @@ -323,6 +336,7 @@ int parport_init(void) DEBUG("...open"); +#ifndef __FreeBSD__ i=ioctl(device_handle, PPCLAIM); if (i<0) { @@ -345,6 +359,7 @@ int parport_init(void) ERROR("cannot set compatible 1284 mode to device"); return ERROR_JTAG_INIT_FAILED; } +#endif #else if (parport_port == 0) { |