-/***************************************************************************\r
- * Copyright (C) 2004, 2006 by Dominic Rath *\r
- * Dominic.Rath@gmx.de *\r
- * *\r
- * This program is free software; you can redistribute it and/or modify *\r
- * it under the terms of the GNU General Public License as published by *\r
- * the Free Software Foundation; either version 2 of the License, or *\r
- * (at your option) any later version. *\r
- * *\r
- * This program is distributed in the hope that it will be useful, *\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *\r
- * GNU General Public License for more details. *\r
- * *\r
- * You should have received a copy of the GNU General Public License *\r
- * along with this program; if not, write to the *\r
- * Free Software Foundation, Inc., *\r
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *\r
- ***************************************************************************/\r
-#ifdef HAVE_CONFIG_H\r
-#include "config.h"\r
-#endif\r
-\r
-#if IS_CYGWIN == 1\r
-#include "windows.h"\r
-#undef ERROR\r
-#endif\r
-\r
-#include "replacements.h"\r
-\r
-/* project specific includes */\r
-#include "log.h"\r
-#include "types.h"\r
-#include "jtag.h"\r
-#include "configuration.h"\r
-#include "time_support.h"\r
-\r
-/* system includes */\r
-#include <string.h>\r
-#include <stdlib.h>\r
-#include <unistd.h>\r
-\r
-/* FT2232 access library includes */\r
-#if BUILD_FT2232_FTD2XX == 1\r
-#include <ftd2xx.h>\r
-#elif BUILD_FT2232_LIBFTDI == 1\r
-#include <ftdi.h>\r
-#endif\r
-\r
-#include <sys/time.h>\r
-#include <time.h>\r
-\r
-/* enable this to debug io latency\r
- */\r
-#if 0\r
-#define _DEBUG_USB_IO_\r
-#endif\r
-\r
-/* enable this to debug communication\r
- */\r
-#if 0\r
-#define _DEBUG_USB_COMMS_\r
-#endif\r
-\r
-int ft2232_execute_queue(void);\r
-\r
-int ft2232_speed(int speed);\r
-int ft2232_register_commands(struct command_context_s *cmd_ctx);\r
-int ft2232_init(void);\r
-int ft2232_quit(void);\r
-\r
-int ft2232_handle_device_desc_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
-int ft2232_handle_serial_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
-int ft2232_handle_layout_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
-int ft2232_handle_vid_pid_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
-int ft2232_handle_latency_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
-\r
-char *ft2232_device_desc = NULL;\r
-char *ft2232_serial = NULL;\r
-char *ft2232_layout = NULL;\r
-unsigned char ft2232_latency = 2;\r
-\r
-#define MAX_USB_IDS 8\r
-/* vid = pid = 0 marks the end of the list */\r
-static u16 ft2232_vid[MAX_USB_IDS+1] = { 0x0403, 0 };\r
-static u16 ft2232_pid[MAX_USB_IDS+1] = { 0x6010, 0 };\r
-\r
-typedef struct ft2232_layout_s\r
-{\r
- char* name;\r
- int(*init)(void);\r
- void(*reset)(int trst, int srst);\r
- void(*blink)(void);\r
-} ft2232_layout_t;\r
-\r
-/* init procedures for supported layouts */\r
-int usbjtag_init(void);\r
-int jtagkey_init(void);\r
-int olimex_jtag_init(void);\r
-int flyswatter_init(void);\r
-int turtle_init(void);\r
-int comstick_init(void);\r
-int stm32stick_init(void);\r
-\r
-/* reset procedures for supported layouts */\r
-void usbjtag_reset(int trst, int srst);\r
-void jtagkey_reset(int trst, int srst);\r
-void olimex_jtag_reset(int trst, int srst);\r
-void flyswatter_reset(int trst, int srst);\r
-void turtle_reset(int trst, int srst);\r
-void comstick_reset(int trst, int srst);\r
-void stm32stick_reset(int trst, int srst);\r
-\r
-/* blink procedures for layouts that support a blinking led */\r
-void olimex_jtag_blink(void);\r
-void turtle_jtag_blink(void);\r
-\r
-ft2232_layout_t ft2232_layouts[] =\r
-{\r
- {"usbjtag", usbjtag_init, usbjtag_reset, NULL},\r
- {"jtagkey", jtagkey_init, jtagkey_reset, NULL},\r
- {"jtagkey_prototype_v1", jtagkey_init, jtagkey_reset, NULL},\r
- {"oocdlink", jtagkey_init, jtagkey_reset, NULL},\r
- {"signalyzer", usbjtag_init, usbjtag_reset, NULL},\r
- {"evb_lm3s811", usbjtag_init, usbjtag_reset, NULL},\r
- {"olimex-jtag", olimex_jtag_init, olimex_jtag_reset, olimex_jtag_blink},\r
- {"flyswatter", flyswatter_init, flyswatter_reset, NULL},\r
- {"turtelizer2", turtle_init, turtle_reset, turtle_jtag_blink},\r
- {"comstick", comstick_init, comstick_reset, NULL},\r
- {"stm32stick", stm32stick_init, stm32stick_reset, NULL},\r
- {NULL, NULL, NULL},\r
-};\r
-\r
-static u8 nTRST, nTRSTnOE, nSRST, nSRSTnOE;\r
-\r
-static ft2232_layout_t *layout;\r
-static u8 low_output = 0x0;\r
-static u8 low_direction = 0x0;\r
-static u8 high_output = 0x0;\r
-static u8 high_direction = 0x0;\r
-\r
-#if BUILD_FT2232_FTD2XX == 1\r
-static FT_HANDLE ftdih = NULL;\r
-#elif BUILD_FT2232_LIBFTDI == 1\r
-static struct ftdi_context ftdic;\r
-#endif\r
-\r
-static u8 *ft2232_buffer = NULL;\r
-static int ft2232_buffer_size = 0;\r
-static int ft2232_read_pointer = 0;\r
-static int ft2232_expect_read = 0;\r
-#define FT2232_BUFFER_SIZE 131072\r
-#define BUFFER_ADD ft2232_buffer[ft2232_buffer_size++]\r
-#define BUFFER_READ ft2232_buffer[ft2232_read_pointer++]\r
-\r
-jtag_interface_t ft2232_interface = \r
-{\r
- \r
- .name = "ft2232",\r
- \r
- .execute_queue = ft2232_execute_queue,\r
- \r
- .speed = ft2232_speed,\r
- .register_commands = ft2232_register_commands,\r
- .init = ft2232_init,\r
- .quit = ft2232_quit,\r
-};\r
-\r
-int ft2232_write(u8 *buf, int size, u32* bytes_written)\r
-{\r
-#if BUILD_FT2232_FTD2XX == 1\r
- FT_STATUS status;\r
- DWORD dw_bytes_written;\r
- if ((status = FT_Write(ftdih, buf, size, &dw_bytes_written)) != FT_OK)\r
- {\r
- *bytes_written = dw_bytes_written;\r
- ERROR("FT_Write returned: %lu", status);\r
- return ERROR_JTAG_DEVICE_ERROR;\r
- }\r
- else\r
- {\r
- *bytes_written = dw_bytes_written;\r
- return ERROR_OK; \r
- }\r
-#elif BUILD_FT2232_LIBFTDI == 1\r
- int retval;\r
- if ((retval = ftdi_write_data(&ftdic, buf, size)) < 0)\r
- {\r
- *bytes_written = 0;\r
- ERROR("ftdi_write_data: %s", ftdi_get_error_string(&ftdic));\r
- return ERROR_JTAG_DEVICE_ERROR;\r
- }\r
- else\r
- {\r
- *bytes_written = retval;\r
- return ERROR_OK; \r
- }\r
-#endif\r
-}\r
-\r
-int ft2232_read(u8* buf, int size, u32* bytes_read)\r
-{\r
-#if BUILD_FT2232_FTD2XX == 1\r
- DWORD dw_bytes_read;\r
- FT_STATUS status;\r
- int timeout = 5;\r
- *bytes_read = 0;\r
-\r
- while ((*bytes_read < size) && timeout--)\r
- {\r
- if ((status = FT_Read(ftdih, buf + *bytes_read, size - \r
- *bytes_read, &dw_bytes_read)) != FT_OK) \r
- {\r
- *bytes_read = 0; \r
- ERROR("FT_Read returned: %lu", status);\r
- return ERROR_JTAG_DEVICE_ERROR;\r
- }\r
- *bytes_read += dw_bytes_read; \r
- }\r
-#elif BUILD_FT2232_LIBFTDI == 1\r
- int retval;\r
- int timeout = 100;\r
- *bytes_read = 0;\r
- \r
- while ((*bytes_read < size) && timeout--)\r
- {\r
- if ((retval = ftdi_read_data(&ftdic, buf + *bytes_read, size - *bytes_read)) < 0)\r
- {\r
- *bytes_read = 0;\r
- ERROR("ftdi_read_data: %s", ftdi_get_error_string(&ftdic));\r
- return ERROR_JTAG_DEVICE_ERROR;\r
- }\r
- *bytes_read += retval;\r
- }\r
-#endif\r
-\r
- if (*bytes_read < size)\r
- {\r
- ERROR("couldn't read the requested number of bytes from FT2232 device (%i < %i)", *bytes_read, size);\r
- return ERROR_JTAG_DEVICE_ERROR;\r
- }\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-int ft2232_speed(int speed)\r
-{\r
- u8 buf[3];\r
- int retval;\r
- u32 bytes_written;\r
-\r
- buf[0] = 0x86; /* command "set divisor" */\r
- buf[1] = speed & 0xff; /* valueL (0=6MHz, 1=3MHz, 2=2.0MHz, ...*/\r
- buf[2] = (speed >> 8) & 0xff; /* valueH */\r
- \r
- DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);\r
- if (((retval = ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))\r
- {\r
- ERROR("couldn't set FT2232 TCK speed");\r
- return retval;\r
- }\r
-\r
- jtag_speed = speed;\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-int ft2232_register_commands(struct command_context_s *cmd_ctx)\r
-{\r
- register_command(cmd_ctx, NULL, "ft2232_device_desc", ft2232_handle_device_desc_command,\r
- COMMAND_CONFIG, NULL);\r
- register_command(cmd_ctx, NULL, "ft2232_serial", ft2232_handle_serial_command,\r
- COMMAND_CONFIG, NULL);\r
- register_command(cmd_ctx, NULL, "ft2232_layout", ft2232_handle_layout_command,\r
- COMMAND_CONFIG, NULL);\r
- register_command(cmd_ctx, NULL, "ft2232_vid_pid", ft2232_handle_vid_pid_command,\r
- COMMAND_CONFIG, NULL);\r
- register_command(cmd_ctx, NULL, "ft2232_latency", ft2232_handle_latency_command,\r
- COMMAND_CONFIG, NULL);\r
- return ERROR_OK;\r
-}\r
-\r
-void ft2232_end_state(enum tap_state state)\r
-{\r
- if (tap_move_map[state] != -1)\r
- end_state = state;\r
- else\r
- {\r
- ERROR("BUG: %i is not a valid end state", state);\r
- exit(-1);\r
- }\r
-}\r
-\r
-void ft2232_read_scan(enum scan_type type, u8* buffer, int scan_size)\r
-{\r
- int num_bytes = ((scan_size + 7) / 8);\r
- int bits_left = scan_size;\r
- int cur_byte = 0;\r
-\r
- while(num_bytes-- > 1)\r
- {\r
- buffer[cur_byte] = BUFFER_READ;\r
- cur_byte++;\r
- bits_left -= 8;\r
- }\r
-\r
- buffer[cur_byte] = 0x0;\r
-\r
- if (bits_left > 1)\r
- {\r
- buffer[cur_byte] = BUFFER_READ >> 1;\r
- }\r
-\r
- buffer[cur_byte] = (buffer[cur_byte] | ((BUFFER_READ & 0x02) << 6)) >> (8 - bits_left);\r
-\r
-}\r
-\r
-void ft2232_debug_dump_buffer(void)\r
-{\r
- int i;\r
- char line[256];\r
- char *line_p = line;\r
- \r
- for (i = 0; i < ft2232_buffer_size; i++)\r
- {\r
- line_p += snprintf(line_p, 256 - (line_p - line), "%2.2x ", ft2232_buffer[i]);\r
- if (i % 16 == 15)\r
- {\r
- DEBUG("%s", line);\r
- line_p = line;\r
- }\r
- }\r
- \r
- if (line_p != line)\r
- DEBUG("%s", line);\r
-}\r
-\r
-int ft2232_send_and_recv(jtag_command_t *first, jtag_command_t *last)\r
-{\r
- jtag_command_t *cmd;\r
- u8 *buffer;\r
- int scan_size;\r
- enum scan_type type;\r
- int retval;\r
- u32 bytes_written;\r
- u32 bytes_read;\r
- \r
-#ifdef _DEBUG_USB_IO_\r
- struct timeval start, inter, inter2, end;\r
- struct timeval d_inter, d_inter2, d_end;\r
-#endif\r
-\r
-#ifdef _DEBUG_USB_COMMS_\r
- DEBUG("write buffer (size %i):", ft2232_buffer_size);\r
- ft2232_debug_dump_buffer();\r
-#endif\r
-\r
-#ifdef _DEBUG_USB_IO_\r
- gettimeofday(&start, NULL); \r
-#endif\r
-\r
- if ((retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written)) != ERROR_OK)\r
- {\r
- ERROR("couldn't write MPSSE commands to FT2232");\r
- exit(-1);\r
- }\r
- \r
-#ifdef _DEBUG_USB_IO_\r
- gettimeofday(&inter, NULL); \r
-#endif\r
- \r
- if (ft2232_expect_read)\r
- {\r
- int timeout = 100;\r
- ft2232_buffer_size = 0;\r
- \r
-#ifdef _DEBUG_USB_IO_\r
- gettimeofday(&inter2, NULL); \r
-#endif\r
- \r
- if ((retval = ft2232_read(ft2232_buffer, ft2232_expect_read, &bytes_read)) != ERROR_OK)\r
- {\r
- ERROR("couldn't read from FT2232");\r
- exit(-1);\r
- }\r
- \r
-#ifdef _DEBUG_USB_IO_\r
- gettimeofday(&end, NULL); \r
-\r
- timeval_subtract(&d_inter, &inter, &start);\r
- timeval_subtract(&d_inter2, &inter2, &start);\r
- timeval_subtract(&d_end, &end, &start);\r
-\r
- INFO("inter: %i.%i, inter2: %i.%i end: %i.%i", d_inter.tv_sec, d_inter.tv_usec, d_inter2.tv_sec, d_inter2.tv_usec, d_end.tv_sec, d_end.tv_usec);\r
-#endif\r
- \r
- \r
- ft2232_buffer_size = bytes_read;\r
- \r
- if (ft2232_expect_read != ft2232_buffer_size)\r
- {\r
- ERROR("ft2232_expect_read (%i) != ft2232_buffer_size (%i) (%i retries)", ft2232_expect_read, ft2232_buffer_size, 100 - timeout);\r
- ft2232_debug_dump_buffer(); \r
-\r
- exit(-1);\r
- }\r
-\r
-#ifdef _DEBUG_USB_COMMS_\r
- DEBUG("read buffer (%i retries): %i bytes", 100 - timeout, ft2232_buffer_size);\r
- ft2232_debug_dump_buffer();\r
-#endif\r
- }\r
-\r
- ft2232_expect_read = 0;\r
- ft2232_read_pointer = 0;\r
- \r
- /* return ERROR_OK, unless a jtag_read_buffer returns a failed check\r
- * that wasn't handled by a caller-provided error handler\r
- */ \r
- retval = ERROR_OK;\r
- \r
- cmd = first;\r
- while (cmd != last)\r
- {\r
- switch (cmd->type)\r
- {\r
- case JTAG_SCAN:\r
- type = jtag_scan_type(cmd->cmd.scan);\r
- if (type != SCAN_OUT)\r
- {\r
- scan_size = jtag_scan_size(cmd->cmd.scan);\r
- buffer = calloc(CEIL(scan_size, 8), 1);\r
- ft2232_read_scan(type, buffer, scan_size);\r
- if (jtag_read_buffer(buffer, cmd->cmd.scan) != ERROR_OK)\r
- retval = ERROR_JTAG_QUEUE_FAILED;\r
- free(buffer);\r
- }\r
- break;\r
- default:\r
- break;\r
- }\r
- cmd = cmd->next;\r
- }\r
- \r
- ft2232_buffer_size = 0;\r
-\r
- return retval;\r
-}\r
-\r
-void ft2232_add_pathmove(pathmove_command_t *cmd)\r
-{\r
- int num_states = cmd->num_states;\r
- u8 tms_byte;\r
- int state_count;\r
-\r
- state_count = 0;\r
- while (num_states)\r
- {\r
- tms_byte = 0x0;\r
- int bit_count = 0;\r
- \r
- /* command "Clock Data to TMS/CS Pin (no Read)" */\r
- BUFFER_ADD = 0x4b;\r
- /* number of states remaining */\r
- BUFFER_ADD = (num_states % 7) - 1;\r
- \r
- while (num_states % 7)\r
- {\r
- if (tap_transitions[cur_state].low == cmd->path[state_count])\r
- buf_set_u32(&tms_byte, bit_count++, 1, 0x0);\r
- else if (tap_transitions[cur_state].high == cmd->path[state_count])\r
- buf_set_u32(&tms_byte, bit_count++, 1, 0x1);\r
- else\r
- {\r
- ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_strings[cur_state], tap_state_strings[cmd->path[state_count]]);\r
- exit(-1);\r
- }\r
-\r
- cur_state = cmd->path[state_count];\r
- state_count++;\r
- num_states--;\r
- }\r
- \r
- BUFFER_ADD = tms_byte;\r
- }\r
- \r
- end_state = cur_state;\r
-}\r
-\r
-void ft2232_add_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size)\r
-{\r
- int num_bytes = (scan_size + 7) / 8;\r
- int bits_left = scan_size;\r
- int cur_byte = 0;\r
- int last_bit;\r
-\r
- if (!((!ir_scan && (cur_state == TAP_SD)) || (ir_scan && (cur_state == TAP_SI))))\r
- {\r
- /* command "Clock Data to TMS/CS Pin (no Read)" */\r
- BUFFER_ADD = 0x4b;\r
- /* scan 7 bit */\r
- BUFFER_ADD = 0x6;\r
- /* TMS data bits */\r
- if (ir_scan)\r
- {\r
- BUFFER_ADD = TAP_MOVE(cur_state, TAP_SI);\r
- cur_state = TAP_SI;\r
- }\r
- else\r
- {\r
- BUFFER_ADD = TAP_MOVE(cur_state, TAP_SD);\r
- cur_state = TAP_SD;\r
- }\r
- //DEBUG("added TMS scan (no read)");\r
- }\r
- \r
- /* add command for complete bytes */\r
- while (num_bytes > 1)\r
- {\r
- int thisrun_bytes;\r
- if (type == SCAN_IO)\r
- {\r
- /* Clock Data Bytes In and Out LSB First */\r
- BUFFER_ADD = 0x39;\r
- //DEBUG("added TDI bytes (io %i)", num_bytes);\r
- }\r
- else if (type == SCAN_OUT)\r
- {\r
- /* Clock Data Bytes Out on -ve Clock Edge LSB First (no Read) */\r
- BUFFER_ADD = 0x19;\r
- //DEBUG("added TDI bytes (o)");\r
- }\r
- else if (type == SCAN_IN)\r
- {\r
- /* Clock Data Bytes In on +ve Clock Edge LSB First (no Write) */\r
- BUFFER_ADD = 0x28;\r
- //DEBUG("added TDI bytes (i %i)", num_bytes);\r
- }\r
- thisrun_bytes = (num_bytes > 65537) ? 65536 : (num_bytes - 1);\r
- num_bytes -= thisrun_bytes;\r
- BUFFER_ADD = (thisrun_bytes - 1) & 0xff;\r
- BUFFER_ADD = ((thisrun_bytes - 1) >> 8) & 0xff;\r
- if (type != SCAN_IN)\r
- {\r
- /* add complete bytes */\r
- while(thisrun_bytes-- > 0)\r
- {\r
- BUFFER_ADD = buffer[cur_byte];\r
- cur_byte++;\r
- bits_left -= 8;\r
- }\r
- }\r
- else /* (type == SCAN_IN) */\r
- {\r
- bits_left -= 8 * (thisrun_bytes);\r
- }\r
- }\r
- \r
- /* the most signifcant bit is scanned during TAP movement */\r
- if (type != SCAN_IN)\r
- last_bit = (buffer[cur_byte] >> (bits_left - 1)) & 0x1;\r
- else\r
- last_bit = 0;\r
-\r
- /* process remaining bits but the last one */\r
- if (bits_left > 1)\r
- {\r
- if (type == SCAN_IO)\r
- {\r
- /* Clock Data Bits In and Out LSB First */\r
- BUFFER_ADD = 0x3b;\r
- //DEBUG("added TDI bits (io) %i", bits_left - 1);\r
- }\r
- else if (type == SCAN_OUT)\r
- {\r
- /* Clock Data Bits Out on -ve Clock Edge LSB First (no Read) */\r
- BUFFER_ADD = 0x1b;\r
- //DEBUG("added TDI bits (o)");\r
- }\r
- else if (type == SCAN_IN)\r
- {\r
- /* Clock Data Bits In on +ve Clock Edge LSB First (no Write) */\r
- BUFFER_ADD = 0x2a;\r
- //DEBUG("added TDI bits (i %i)", bits_left - 1);\r
- }\r
- BUFFER_ADD = bits_left - 2;\r
- if (type != SCAN_IN)\r
- BUFFER_ADD = buffer[cur_byte];\r
- }\r
-\r
- if ((ir_scan && (end_state == TAP_SI)) ||\r
- (!ir_scan && (end_state == TAP_SD)))\r
- {\r
- if (type == SCAN_IO)\r
- {\r
- /* Clock Data Bits In and Out LSB First */\r
- BUFFER_ADD = 0x3b;\r
- //DEBUG("added TDI bits (io) %i", bits_left - 1);\r
- }\r
- else if (type == SCAN_OUT)\r
- {\r
- /* Clock Data Bits Out on -ve Clock Edge LSB First (no Read) */\r
- BUFFER_ADD = 0x1b;\r
- //DEBUG("added TDI bits (o)");\r
- }\r
- else if (type == SCAN_IN)\r
- {\r
- /* Clock Data Bits In on +ve Clock Edge LSB First (no Write) */\r
- BUFFER_ADD = 0x2a;\r
- //DEBUG("added TDI bits (i %i)", bits_left - 1);\r
- }\r
- BUFFER_ADD = 0x0;\r
- BUFFER_ADD = last_bit;\r
- }\r
- else\r
- {\r
- /* move from Shift-IR/DR to end state */\r
- if (type != SCAN_OUT)\r
- {\r
- /* Clock Data to TMS/CS Pin with Read */\r
- BUFFER_ADD = 0x6b;\r
- //DEBUG("added TMS scan (read)");\r
- }\r
- else\r
- {\r
- /* Clock Data to TMS/CS Pin (no Read) */\r
- BUFFER_ADD = 0x4b;\r
- //DEBUG("added TMS scan (no read)");\r
- }\r
- BUFFER_ADD = 0x6;\r
- BUFFER_ADD = TAP_MOVE(cur_state, end_state) | (last_bit << 7);\r
- cur_state = end_state;\r
- }\r
-}\r
-\r
-int ft2232_large_scan(scan_command_t *cmd, enum scan_type type, u8 *buffer, int scan_size)\r
-{\r
- int num_bytes = (scan_size + 7) / 8;\r
- int bits_left = scan_size;\r
- int cur_byte = 0;\r
- int last_bit;\r
- u8 *receive_buffer = malloc(CEIL(scan_size, 8));\r
- u8 *receive_pointer = receive_buffer;\r
- u32 bytes_written;\r
- u32 bytes_read;\r
- int retval;\r
- int thisrun_read = 0;\r
- \r
- if (cmd->ir_scan)\r
- {\r
- ERROR("BUG: large IR scans are not supported");\r
- exit(-1);\r
- }\r
-\r
- if (cur_state != TAP_SD)\r
- {\r
- /* command "Clock Data to TMS/CS Pin (no Read)" */\r
- BUFFER_ADD = 0x4b;\r
- /* scan 7 bit */\r
- BUFFER_ADD = 0x6;\r
- /* TMS data bits */\r
- BUFFER_ADD = TAP_MOVE(cur_state, TAP_SD);\r
- cur_state = TAP_SD;\r
- }\r
- \r
- if ((retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written)) != ERROR_OK)\r
- {\r
- ERROR("couldn't write MPSSE commands to FT2232");\r
- exit(-1);\r
- }\r
- DEBUG("ft2232_buffer_size: %i, bytes_written: %i", ft2232_buffer_size, bytes_written);\r
- ft2232_buffer_size = 0;\r
- \r
- /* add command for complete bytes */\r
- while (num_bytes > 1)\r
- {\r
- int thisrun_bytes;\r
- \r
- if (type == SCAN_IO)\r
- {\r
- /* Clock Data Bytes In and Out LSB First */\r
- BUFFER_ADD = 0x39;\r
- //DEBUG("added TDI bytes (io %i)", num_bytes);\r
- }\r
- else if (type == SCAN_OUT)\r
- {\r
- /* Clock Data Bytes Out on -ve Clock Edge LSB First (no Read) */\r
- BUFFER_ADD = 0x19;\r
- //DEBUG("added TDI bytes (o)");\r
- }\r
- else if (type == SCAN_IN)\r
- {\r
- /* Clock Data Bytes In on +ve Clock Edge LSB First (no Write) */\r
- BUFFER_ADD = 0x28;\r
- //DEBUG("added TDI bytes (i %i)", num_bytes);\r
- }\r
- thisrun_bytes = (num_bytes > 65537) ? 65536 : (num_bytes - 1);\r
- thisrun_read = thisrun_bytes;\r
- num_bytes -= thisrun_bytes;\r
- BUFFER_ADD = (thisrun_bytes - 1) & 0xff;\r
- BUFFER_ADD = ((thisrun_bytes - 1) >> 8) & 0xff;\r
- if (type != SCAN_IN)\r
- {\r
- /* add complete bytes */\r
- while(thisrun_bytes-- > 0)\r
- {\r
- BUFFER_ADD = buffer[cur_byte];\r
- cur_byte++;\r
- bits_left -= 8;\r
- }\r
- }\r
- else /* (type == SCAN_IN) */\r
- {\r
- bits_left -= 8 * (thisrun_bytes);\r
- }\r
-\r
- if ((retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written)) != ERROR_OK)\r
- {\r
- ERROR("couldn't write MPSSE commands to FT2232");\r
- exit(-1);\r
- }\r
- DEBUG("ft2232_buffer_size: %i, bytes_written: %i", ft2232_buffer_size, bytes_written);\r
- ft2232_buffer_size = 0;\r
- \r
- if (type != SCAN_OUT)\r
- {\r
- if ((retval = ft2232_read(receive_pointer, thisrun_read, &bytes_read)) != ERROR_OK)\r
- {\r
- ERROR("couldn't read from FT2232");\r
- exit(-1);\r
- }\r
- DEBUG("thisrun_read: %i, bytes_read: %i", thisrun_read, bytes_read);\r
- receive_pointer += bytes_read;\r
- }\r
- }\r
- \r
- thisrun_read = 0;\r
- \r
- /* the most signifcant bit is scanned during TAP movement */\r
- if (type != SCAN_IN)\r
- last_bit = (buffer[cur_byte] >> (bits_left - 1)) & 0x1;\r
- else\r
- last_bit = 0;\r
-\r
- /* process remaining bits but the last one */\r
- if (bits_left > 1)\r
- {\r
- if (type == SCAN_IO)\r
- {\r
- /* Clock Data Bits In and Out LSB First */\r
- BUFFER_ADD = 0x3b;\r
- //DEBUG("added TDI bits (io) %i", bits_left - 1);\r
- }\r
- else if (type == SCAN_OUT)\r
- {\r
- /* Clock Data Bits Out on -ve Clock Edge LSB First (no Read) */\r
- BUFFER_ADD = 0x1b;\r
- //DEBUG("added TDI bits (o)");\r
- }\r
- else if (type == SCAN_IN)\r
- {\r
- /* Clock Data Bits In on +ve Clock Edge LSB First (no Write) */\r
- BUFFER_ADD = 0x2a;\r
- //DEBUG("added TDI bits (i %i)", bits_left - 1);\r
- }\r
- BUFFER_ADD = bits_left - 2;\r
- if (type != SCAN_IN)\r
- BUFFER_ADD = buffer[cur_byte];\r
- \r
- if (type != SCAN_OUT)\r
- thisrun_read += 2;\r
- }\r
-\r
- if (end_state == TAP_SD)\r
- {\r
- if (type == SCAN_IO)\r
- {\r
- /* Clock Data Bits In and Out LSB First */\r
- BUFFER_ADD = 0x3b;\r
- //DEBUG("added TDI bits (io) %i", bits_left - 1);\r
- }\r
- else if (type == SCAN_OUT)\r
- {\r
- /* Clock Data Bits Out on -ve Clock Edge LSB First (no Read) */\r
- BUFFER_ADD = 0x1b;\r
- //DEBUG("added TDI bits (o)");\r
- }\r
- else if (type == SCAN_IN)\r
- {\r
- /* Clock Data Bits In on +ve Clock Edge LSB First (no Write) */\r
- BUFFER_ADD = 0x2a;\r
- //DEBUG("added TDI bits (i %i)", bits_left - 1);\r
- }\r
- BUFFER_ADD = 0x0;\r
- BUFFER_ADD = last_bit;\r
- }\r
- else\r
- {\r
- /* move from Shift-IR/DR to end state */\r
- if (type != SCAN_OUT)\r
- {\r
- /* Clock Data to TMS/CS Pin with Read */\r
- BUFFER_ADD = 0x6b;\r
- //DEBUG("added TMS scan (read)");\r
- }\r
- else\r
- {\r
- /* Clock Data to TMS/CS Pin (no Read) */\r
- BUFFER_ADD = 0x4b;\r
- //DEBUG("added TMS scan (no read)");\r
- }\r
- BUFFER_ADD = 0x6;\r
- BUFFER_ADD = TAP_MOVE(cur_state, end_state) | (last_bit << 7);\r
- cur_state = end_state;\r
- }\r
- \r
- if (type != SCAN_OUT)\r
- thisrun_read += 1;\r
- \r
- if ((retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written)) != ERROR_OK)\r
- {\r
- ERROR("couldn't write MPSSE commands to FT2232");\r
- exit(-1);\r
- }\r
- DEBUG("ft2232_buffer_size: %i, bytes_written: %i", ft2232_buffer_size, bytes_written);\r
- ft2232_buffer_size = 0;\r
- \r
- if (type != SCAN_OUT)\r
- {\r
- if ((retval = ft2232_read(receive_pointer, thisrun_read, &bytes_read)) != ERROR_OK)\r
- {\r
- ERROR("couldn't read from FT2232");\r
- exit(-1);\r
- }\r
- DEBUG("thisrun_read: %i, bytes_read: %i", thisrun_read, bytes_read);\r
- receive_pointer += bytes_read;\r
- }\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-int ft2232_predict_scan_out(int scan_size, enum scan_type type)\r
-{\r
- int predicted_size = 3;\r
- int num_bytes = (scan_size - 1) / 8;\r
- \r
- if (cur_state != TAP_SD)\r
- predicted_size += 3;\r
- \r
- if (type == SCAN_IN) /* only from device to host */\r
- {\r
- /* complete bytes */\r
- predicted_size += (CEIL(num_bytes, 65536)) * 3;\r
- /* remaining bits - 1 (up to 7) */\r
- predicted_size += ((scan_size - 1) % 8) ? 2 : 0;\r
- }\r
- else /* host to device, or bidirectional */\r
- {\r
- /* complete bytes */\r
- predicted_size += num_bytes + (CEIL(num_bytes, 65536)) * 3;\r
- /* remaining bits -1 (up to 7) */\r
- predicted_size += ((scan_size - 1) % 8) ? 3 : 0;\r
- }\r
-\r
- return predicted_size;\r
-}\r
-\r
-int ft2232_predict_scan_in(int scan_size, enum scan_type type)\r
-{\r
- int predicted_size = 0;\r
- \r
- if (type != SCAN_OUT)\r
- {\r
- /* complete bytes */\r
- predicted_size += (CEIL(scan_size, 8) > 1) ? (CEIL(scan_size, 8) - 1) : 0;\r
- /* remaining bits - 1 */\r
- predicted_size += ((scan_size - 1) % 8) ? 1 : 0;\r
- /* last bit (from TMS scan) */\r
- predicted_size += 1;\r
- }\r
- \r
- //DEBUG("scan_size: %i, predicted_size: %i", scan_size, predicted_size);\r
-\r
- return predicted_size;\r
-}\r
-\r
-void usbjtag_reset(int trst, int srst)\r
-{\r
- if (trst == 1)\r
- {\r
- cur_state = TAP_TLR;\r
- if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)\r
- low_direction |= nTRSTnOE; /* switch to output pin (output is low) */\r
- else\r
- low_output &= ~nTRST; /* switch output low */\r
- }\r
- else if (trst == 0)\r
- {\r
- if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)\r
- low_direction &= ~nTRSTnOE; /* switch to input pin (high-Z + internal and external pullup) */\r
- else\r
- low_output |= nTRST; /* switch output high */\r
- }\r
-\r
- if (srst == 1)\r
- {\r
- if (jtag_reset_config & RESET_SRST_PUSH_PULL)\r
- low_output &= ~nSRST; /* switch output low */\r
- else\r
- low_direction |= nSRSTnOE; /* switch to output pin (output is low) */\r
- }\r
- else if (srst == 0)\r
- {\r
- if (jtag_reset_config & RESET_SRST_PUSH_PULL)\r
- low_output |= nSRST; /* switch output high */\r
- else\r
- low_direction &= ~nSRSTnOE; /* switch to input pin (high-Z) */\r
- }\r
- \r
- /* command "set data bits low byte" */\r
- BUFFER_ADD = 0x80;\r
- BUFFER_ADD = low_output;\r
- BUFFER_ADD = low_direction;\r
-\r
-}\r
-\r
-void jtagkey_reset(int trst, int srst)\r
-{\r
- if (trst == 1)\r
- {\r
- cur_state = TAP_TLR;\r
- if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)\r
- high_output &= ~nTRSTnOE;\r
- else\r
- high_output &= ~nTRST;\r
- }\r
- else if (trst == 0)\r
- {\r
- if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)\r
- high_output |= nTRSTnOE;\r
- else\r
- high_output |= nTRST;\r
- }\r
-\r
- if (srst == 1)\r
- {\r
- if (jtag_reset_config & RESET_SRST_PUSH_PULL)\r
- high_output &= ~nSRST;\r
- else\r
- high_output &= ~nSRSTnOE;\r
- }\r
- else if (srst == 0)\r
- {\r
- if (jtag_reset_config & RESET_SRST_PUSH_PULL)\r
- high_output |= nSRST;\r
- else\r
- high_output |= nSRSTnOE;\r
- }\r
- \r
- /* command "set data bits high byte" */\r
- BUFFER_ADD = 0x82;\r
- BUFFER_ADD = high_output;\r
- BUFFER_ADD = high_direction;\r
- DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_direction);\r
-}\r
-\r
-void olimex_jtag_reset(int trst, int srst)\r
-{\r
- if (trst == 1)\r
- {\r
- cur_state = TAP_TLR;\r
- if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)\r
- high_output &= ~nTRSTnOE;\r
- else\r
- high_output &= ~nTRST;\r
- }\r
- else if (trst == 0)\r
- {\r
- if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)\r
- high_output |= nTRSTnOE;\r
- else\r
- high_output |= nTRST;\r
- }\r
-\r
- if (srst == 1)\r
- {\r
- high_output |= nSRST;\r
- }\r
- else if (srst == 0)\r
- {\r
- high_output &= ~nSRST;\r
- }\r
-\r
- /* command "set data bits high byte" */\r
- BUFFER_ADD = 0x82;\r
- BUFFER_ADD = high_output;\r
- BUFFER_ADD = high_direction;\r
- DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_direction);\r
-}\r
-\r
-void flyswatter_reset(int trst, int srst)\r
-{\r
- if (trst == 1)\r
- {\r
- cur_state = TAP_TLR;\r
- low_output &= ~nTRST;\r
- }\r
- else if (trst == 0)\r
- {\r
- low_output |= nTRST;\r
- }\r
-\r
- if (srst == 1)\r
- {\r
- low_output |= nSRST;\r
- }\r
- else if (srst == 0)\r
- {\r
- low_output &= ~nSRST;\r
- }\r
-\r
- /* command "set data bits low byte" */\r
- BUFFER_ADD = 0x80;\r
- BUFFER_ADD = low_output;\r
- BUFFER_ADD = low_direction;\r
- DEBUG("trst: %i, srst: %i, low_output: 0x%2.2x, low_direction: 0x%2.2x", trst, srst, low_output, low_direction);\r
-}\r
-\r
-void turtle_reset(int trst, int srst)\r
-{\r
- trst = trst;\r
- \r
- if (srst == 1)\r
- {\r
- low_output |= nSRST;\r
- }\r
- else if (srst == 0)\r
- {\r
- low_output &= ~nSRST;\r
- }\r
- \r
- /* command "set data bits low byte" */\r
- BUFFER_ADD = 0x80;\r
- BUFFER_ADD = low_output;\r
- BUFFER_ADD = low_direction;\r
- DEBUG("srst: %i, low_output: 0x%2.2x, low_direction: 0x%2.2x", srst, low_output, low_direction);\r
-}\r
-\r
-void comstick_reset(int trst, int srst)\r
-{\r
- if (trst == 1)\r
- {\r
- cur_state = TAP_TLR;\r
- high_output &= ~nTRST;\r
- }\r
- else if (trst == 0)\r
- {\r
- high_output |= nTRST;\r
- }\r
-\r
- if (srst == 1)\r
- {\r
- high_output &= ~nSRST;\r
- }\r
- else if (srst == 0)\r
- {\r
- high_output |= nSRST;\r
- }\r
- \r
- /* command "set data bits high byte" */\r
- BUFFER_ADD = 0x82;\r
- BUFFER_ADD = high_output;\r
- BUFFER_ADD = high_direction;\r
- DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_direction);\r
-}\r
-\r
-void stm32stick_reset(int trst, int srst)\r
-{\r
- if (trst == 1)\r
- {\r
- cur_state = TAP_TLR;\r
- high_output &= ~nTRST;\r
- }\r
- else if (trst == 0)\r
- {\r
- high_output |= nTRST;\r
- }\r
-\r
- if (srst == 1)\r
- {\r
- low_output &= ~nSRST;\r
- }\r
- else if (srst == 0)\r
- {\r
- low_output |= nSRST;\r
- }\r
- \r
- /* command "set data bits low byte" */\r
- BUFFER_ADD = 0x80;\r
- BUFFER_ADD = low_output;\r
- BUFFER_ADD = low_direction;\r
- \r
- /* command "set data bits high byte" */\r
- BUFFER_ADD = 0x82;\r
- BUFFER_ADD = high_output;\r
- BUFFER_ADD = high_direction;\r
- DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_direction);\r
-}\r
-\r
-int ft2232_execute_queue()\r
-{\r
- jtag_command_t *cmd = jtag_command_queue; /* currently processed command */\r
- jtag_command_t *first_unsent = cmd; /* next command that has to be sent */\r
- u8 *buffer;\r
- int scan_size; /* size of IR or DR scan */\r
- enum scan_type type;\r
- int i;\r
- int predicted_size = 0;\r
- int require_send = 0;\r
- int retval;\r
- \r
- /* return ERROR_OK, unless ft2232_send_and_recv reports a failed check\r
- * that wasn't handled by a caller-provided error handler\r
- */ \r
- retval = ERROR_OK;\r
-\r
- ft2232_buffer_size = 0;\r
- ft2232_expect_read = 0;\r
- \r
- /* blink, if the current layout has that feature */\r
- if (layout->blink)\r
- layout->blink();\r
-\r
- while (cmd)\r
- {\r
- switch(cmd->type)\r
- {\r
- case JTAG_END_STATE:\r
- if (cmd->cmd.end_state->end_state != -1)\r
- ft2232_end_state(cmd->cmd.end_state->end_state);\r
- break;\r
- case JTAG_RESET:\r
- /* only send the maximum buffer size that FT2232C can handle */\r
- predicted_size = 3;\r
- if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)\r
- {\r
- if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)\r
- retval = ERROR_JTAG_QUEUE_FAILED;\r
- require_send = 0;\r
- first_unsent = cmd;\r
- }\r
-\r
- layout->reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);\r
- require_send = 1;\r
- \r
-#ifdef _DEBUG_JTAG_IO_ \r
- DEBUG("trst: %i, srst: %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);\r
-#endif\r
- break;\r
- case JTAG_RUNTEST:\r
- /* only send the maximum buffer size that FT2232C can handle */\r
- predicted_size = 0;\r
- if (cur_state != TAP_RTI)\r
- predicted_size += 3;\r
- predicted_size += 3 * CEIL(cmd->cmd.runtest->num_cycles, 7);\r
- if ((cmd->cmd.runtest->end_state != -1) && (cmd->cmd.runtest->end_state != TAP_RTI))\r
- predicted_size += 3;\r
- if ((cmd->cmd.runtest->end_state == -1) && (end_state != TAP_RTI))\r
- predicted_size += 3;\r
- if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)\r
- {\r
- if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)\r
- retval = ERROR_JTAG_QUEUE_FAILED;\r
- require_send = 0;\r
- first_unsent = cmd;\r
- }\r
- if (cur_state != TAP_RTI)\r
- {\r
- /* command "Clock Data to TMS/CS Pin (no Read)" */\r
- BUFFER_ADD = 0x4b;\r
- /* scan 7 bit */\r
- BUFFER_ADD = 0x6;\r
- /* TMS data bits */\r
- BUFFER_ADD = TAP_MOVE(cur_state, TAP_RTI);\r
- cur_state = TAP_RTI;\r
- require_send = 1;\r
- }\r
- i = cmd->cmd.runtest->num_cycles;\r
- while (i > 0)\r
- {\r
- /* command "Clock Data to TMS/CS Pin (no Read)" */\r
- BUFFER_ADD = 0x4b;\r
- /* scan 7 bit */\r
- BUFFER_ADD = (i > 7) ? 6 : (i - 1);\r
- /* TMS data bits */\r
- BUFFER_ADD = 0x0;\r
- cur_state = TAP_RTI;\r
- i -= (i > 7) ? 7 : i;\r
- //DEBUG("added TMS scan (no read)");\r
- }\r
- if (cmd->cmd.runtest->end_state != -1)\r
- ft2232_end_state(cmd->cmd.runtest->end_state);\r
- if (cur_state != end_state)\r
- {\r
- /* command "Clock Data to TMS/CS Pin (no Read)" */\r
- BUFFER_ADD = 0x4b;\r
- /* scan 7 bit */\r
- BUFFER_ADD = 0x6;\r
- /* TMS data bits */\r
- BUFFER_ADD = TAP_MOVE(cur_state, end_state);\r
- cur_state = end_state;\r
- //DEBUG("added TMS scan (no read)");\r
- }\r
- require_send = 1;\r
-#ifdef _DEBUG_JTAG_IO_ \r
- DEBUG("runtest: %i, end in %i", cmd->cmd.runtest->num_cycles, end_state);\r
-#endif\r
- break;\r
- case JTAG_STATEMOVE:\r
- /* only send the maximum buffer size that FT2232C can handle */\r
- predicted_size = 3;\r
- if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)\r
- {\r
- if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)\r
- retval = ERROR_JTAG_QUEUE_FAILED;\r
- require_send = 0;\r
- first_unsent = cmd;\r
- }\r
- if (cmd->cmd.statemove->end_state != -1)\r
- ft2232_end_state(cmd->cmd.statemove->end_state);\r
- /* command "Clock Data to TMS/CS Pin (no Read)" */\r
- BUFFER_ADD = 0x4b;\r
- /* scan 7 bit */\r
- BUFFER_ADD = 0x6;\r
- /* TMS data bits */\r
- BUFFER_ADD = TAP_MOVE(cur_state, end_state);\r
- //DEBUG("added TMS scan (no read)");\r
- cur_state = end_state;\r
- require_send = 1;\r
-#ifdef _DEBUG_JTAG_IO_ \r
- DEBUG("statemove: %i", end_state);\r
-#endif\r
- break;\r
- case JTAG_PATHMOVE:\r
- /* only send the maximum buffer size that FT2232C can handle */\r
- predicted_size = 3 * CEIL(cmd->cmd.pathmove->num_states, 7);\r
- if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)\r
- {\r
- if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)\r
- retval = ERROR_JTAG_QUEUE_FAILED;\r
- require_send = 0;\r
- first_unsent = cmd;\r
- }\r
- ft2232_add_pathmove(cmd->cmd.pathmove);\r
- require_send = 1;\r
-#ifdef _DEBUG_JTAG_IO_ \r
- DEBUG("pathmove: %i states, end in %i", cmd->cmd.pathmove->num_states, cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]);\r
-#endif\r
- break;\r
- case JTAG_SCAN:\r
- scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer);\r
- type = jtag_scan_type(cmd->cmd.scan);\r
- predicted_size = ft2232_predict_scan_out(scan_size, type);\r
- if ((predicted_size + 1) > FT2232_BUFFER_SIZE)\r
- {\r
- DEBUG("oversized ft2232 scan (predicted_size > FT2232_BUFFER_SIZE)");\r
- /* unsent commands before this */\r
- if (first_unsent != cmd)\r
- if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)\r
- retval = ERROR_JTAG_QUEUE_FAILED;\r
- \r
- /* current command */\r
- if (cmd->cmd.scan->end_state != -1)\r
- ft2232_end_state(cmd->cmd.scan->end_state);\r
- ft2232_large_scan(cmd->cmd.scan, type, buffer, scan_size);\r
- require_send = 0;\r
- first_unsent = cmd->next;\r
- if (buffer)\r
- free(buffer);\r
- break;\r
- }\r
- else if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)\r
- {\r
- DEBUG("ft2232 buffer size reached, sending queued commands (first_unsent: %p, cmd: %p)", first_unsent, cmd);\r
- if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)\r
- retval = ERROR_JTAG_QUEUE_FAILED;\r
- require_send = 0;\r
- first_unsent = cmd;\r
- }\r
- ft2232_expect_read += ft2232_predict_scan_in(scan_size, type);\r
- //DEBUG("new read size: %i", ft2232_expect_read);\r
- if (cmd->cmd.scan->end_state != -1)\r
- ft2232_end_state(cmd->cmd.scan->end_state);\r
- ft2232_add_scan(cmd->cmd.scan->ir_scan, type, buffer, scan_size);\r
- require_send = 1;\r
- if (buffer)\r
- free(buffer);\r
-#ifdef _DEBUG_JTAG_IO_ \r
- DEBUG("%s scan, %i bit, end in %i", (cmd->cmd.scan->ir_scan) ? "IR" : "DR", scan_size, end_state);\r
-#endif\r
- break;\r
- case JTAG_SLEEP:\r
- if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)\r
- retval = ERROR_JTAG_QUEUE_FAILED;\r
- first_unsent = cmd->next;\r
- jtag_sleep(cmd->cmd.sleep->us);\r
-#ifdef _DEBUG_JTAG_IO_ \r
- DEBUG("sleep %i usec", cmd->cmd.sleep->us);\r
-#endif\r
- break;\r
- default:\r
- ERROR("BUG: unknown JTAG command type encountered");\r
- exit(-1);\r
- }\r
- cmd = cmd->next;\r
- }\r
-\r
- if (require_send > 0)\r
- if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)\r
- retval = ERROR_JTAG_QUEUE_FAILED;\r
-\r
- return retval;\r
-}\r
-\r
-#if BUILD_FT2232_FTD2XX == 1\r
-static int ft2232_init_ftd2xx(u16 vid, u16 pid, int more, int *try_more)\r
-{\r
- FT_STATUS status;\r
- DWORD openex_flags = 0;\r
- char *openex_string = NULL;\r
- u8 latency_timer;\r
-\r
- DEBUG("'ft2232' interface using FTD2XX with '%s' layout (%4.4x:%4.4x)",\r
- ft2232_layout, vid, pid);\r
-\r
-#if IS_WIN32 == 0\r
- /* Add non-standard Vid/Pid to the linux driver */\r
- if ((status = FT_SetVIDPID(vid, pid)) != FT_OK)\r
- {\r
- WARNING("couldn't add %4.4x:%4.4x",\r
- vid, pid);\r
- }\r
-#endif\r
-\r
- if (ft2232_device_desc && ft2232_serial)\r
- {\r
- WARNING("can't open by device description and serial number, giving precedence to serial");\r
- ft2232_device_desc = NULL;\r
- }\r
- \r
- if (ft2232_device_desc)\r
- {\r
- openex_string = ft2232_device_desc;\r
- openex_flags = FT_OPEN_BY_DESCRIPTION;\r
- }\r
- else if (ft2232_serial)\r
- {\r
- openex_string = ft2232_serial;\r
- openex_flags = FT_OPEN_BY_SERIAL_NUMBER;\r
- }\r
- else\r
- {\r
- ERROR("neither device description nor serial number specified");\r
- ERROR("please add \"ft2232_device_desc <string>\" or \"ft2232_serial <string>\" to your .cfg file");\r
- \r
- return ERROR_JTAG_INIT_FAILED; \r
- }\r
-\r
- if ((status = FT_OpenEx(openex_string, openex_flags, &ftdih)) != FT_OK)\r
- {\r
- DWORD num_devices;\r
- \r
- if (more) {\r
- WARNING("unable to open ftdi device (trying more): %lu",\r
- status);\r
- *try_more = 1;\r
- return ERROR_JTAG_INIT_FAILED;\r
- }\r
- ERROR("unable to open ftdi device: %lu", status);\r
- status = FT_ListDevices(&num_devices, NULL, FT_LIST_NUMBER_ONLY);\r
- if (status == FT_OK)\r
- {\r
- char **desc_array = malloc(sizeof(char*) * (num_devices + 1));\r
- int i;\r
-\r
- for (i = 0; i < num_devices; i++)\r
- desc_array[i] = malloc(64);\r
- desc_array[num_devices] = NULL;\r
-\r
- status = FT_ListDevices(desc_array, &num_devices, FT_LIST_ALL | openex_flags);\r
-\r
- if (status == FT_OK)\r
- {\r
- ERROR("ListDevices: %lu\n", num_devices);\r
- for (i = 0; i < num_devices; i++)\r
- ERROR("%i: %s", i, desc_array[i]);\r
- }\r
- \r
- for (i = 0; i < num_devices; i++)\r
- free(desc_array[i]);\r
- free(desc_array);\r
- }\r
- else\r
- {\r
- ERROR("ListDevices: NONE\n");\r
- }\r
- return ERROR_JTAG_INIT_FAILED;\r
- }\r
-\r
- if ((status = FT_SetLatencyTimer(ftdih, ft2232_latency)) != FT_OK)\r
- {\r
- ERROR("unable to set latency timer: %lu", status);\r
- return ERROR_JTAG_INIT_FAILED;\r
- }\r
- \r
- if ((status = FT_GetLatencyTimer(ftdih, &latency_timer)) != FT_OK)\r
- {\r
- ERROR("unable to get latency timer: %lu", status);\r
- return ERROR_JTAG_INIT_FAILED;\r
- }\r
- else\r
- {\r
- DEBUG("current latency timer: %i", latency_timer);\r
- }\r
- \r
- if ((status = FT_SetTimeouts(ftdih, 5000, 5000)) != FT_OK)\r
- {\r
- ERROR("unable to set timeouts: %lu", status);\r
- return ERROR_JTAG_INIT_FAILED;\r
- }\r
-\r
- if ((status = FT_SetBitMode(ftdih, 0x0b, 2)) != FT_OK)\r
- {\r
- ERROR("unable to enable bit i/o mode: %lu", status);\r
- return ERROR_JTAG_INIT_FAILED;\r
- }\r
-\r
- return ERROR_OK;\r
-}\r
-\r
-static int ft2232_purge_ftd2xx(void)\r
-{\r
- FT_STATUS status;\r
-\r
- if ((status = FT_Purge(ftdih, FT_PURGE_RX | FT_PURGE_TX)) != FT_OK)\r
- {\r
- ERROR("error purging ftd2xx device: %lu", status);\r
- return ERROR_JTAG_INIT_FAILED;\r
- }\r
-\r
- return ERROR_OK;\r
-}\r
-#endif /* BUILD_FT2232_FTD2XX == 1 */\r
-\r
-#if BUILD_FT2232_LIBFTDI == 1\r
-static int ft2232_init_libftdi(u16 vid, u16 pid, int more, int *try_more)\r
-{\r
- u8 latency_timer;\r
-\r
- DEBUG("'ft2232' interface using libftdi with '%s' layout (%4.4x:%4.4x)",\r
- ft2232_layout, vid, pid);\r
-\r
- if (ftdi_init(&ftdic) < 0)\r
- return ERROR_JTAG_INIT_FAILED;\r
-\r
- /* context, vendor id, product id */\r
- if (ftdi_usb_open_desc(&ftdic, vid, pid, ft2232_device_desc,\r
- ft2232_serial) < 0) {\r
- if (more)\r
- WARNING("unable to open ftdi device (trying more): %s",\r
- ftdic.error_str);\r
- else\r
- ERROR("unable to open ftdi device: %s", ftdic.error_str);\r
- *try_more = 1;\r
- return ERROR_JTAG_INIT_FAILED;\r
- }\r
-\r
- if (ftdi_set_interface(&ftdic, INTERFACE_A) < 0)\r
- {\r
- ERROR("unable to select FT2232 channel A: %s", ftdic.error_str);\r
- return ERROR_JTAG_INIT_FAILED;\r
- }\r
-\r
- if (ftdi_usb_reset(&ftdic) < 0)\r
- {\r
- ERROR("unable to reset ftdi device");\r
- return ERROR_JTAG_INIT_FAILED;\r
- }\r
-\r
- if (ftdi_set_latency_timer(&ftdic, ft2232_latency) < 0)\r
- {\r
- ERROR("unable to set latency timer");\r
- return ERROR_JTAG_INIT_FAILED;\r
- }\r
- \r
- if (ftdi_get_latency_timer(&ftdic, &latency_timer) < 0)\r
- {\r
- ERROR("unable to get latency timer");\r
- return ERROR_JTAG_INIT_FAILED;\r
- }\r
- else\r
- {\r
- DEBUG("current latency timer: %i", latency_timer);\r
- }\r
-\r
- ftdi_set_bitmode(&ftdic, 0x0b, 2); /* ctx, JTAG I/O mask */\r
-\r
- return ERROR_OK;\r
-}\r
-\r
-static int ft2232_purge_libftdi(void)\r
-{\r
- if (ftdi_usb_purge_buffers(&ftdic) < 0)\r
- {\r
- ERROR("ftdi_purge_buffers: %s", ftdic.error_str);\r
- return ERROR_JTAG_INIT_FAILED;\r
- }\r
-\r
- return ERROR_OK;\r
-}\r
-#endif /* BUILD_FT2232_LIBFTDI == 1 */\r
-\r
-int ft2232_init(void)\r
-{\r
- u8 buf[1];\r
- int retval;\r
- u32 bytes_written;\r
- ft2232_layout_t *cur_layout = ft2232_layouts;\r
- int i;\r
- \r
- if ((ft2232_layout == NULL) || (ft2232_layout[0] == 0))\r
- {\r
- ft2232_layout = "usbjtag";\r
- WARNING("No ft2232 layout specified, using default 'usbjtag'");\r
- }\r
- \r
- while (cur_layout->name)\r
- {\r
- if (strcmp(cur_layout->name, ft2232_layout) == 0)\r
- {\r
- layout = cur_layout;\r
- break;\r
- }\r
- cur_layout++;\r
- }\r
-\r
- if (!layout)\r
- {\r
- ERROR("No matching layout found for %s", ft2232_layout);\r
- return ERROR_JTAG_INIT_FAILED;\r
- }\r
- \r
- for (i = 0; 1; i++) {\r
- /*\r
- * "more indicates that there are more IDs to try, so we should\r
- * not print an error for an ID mismatch (but for anything\r
- * else, we should).\r
- *\r
- * try_more indicates that the error code returned indicates an\r
- * ID mismatch (and nothing else) and that we should proceeed\r
- * with the next ID pair.\r
- */\r
- int more = ft2232_vid[i+1] || ft2232_pid[i+1];\r
- int try_more = 0;\r
-\r
-#if BUILD_FT2232_FTD2XX == 1\r
- retval = ft2232_init_ftd2xx(ft2232_vid[i], ft2232_pid[i],\r
- more, &try_more);\r
-#elif BUILD_FT2232_LIBFTDI == 1\r
- retval = ft2232_init_libftdi(ft2232_vid[i], ft2232_pid[i],\r
- more, &try_more);\r
-#endif \r
- if (retval >= 0)\r
- break;\r
- if (!more || !try_more)\r
- return retval;\r
- }\r
-\r
- ft2232_buffer_size = 0;\r
- ft2232_buffer = malloc(FT2232_BUFFER_SIZE);\r
-\r
- if (layout->init() != ERROR_OK)\r
- return ERROR_JTAG_INIT_FAILED;\r
-\r
- ft2232_speed(jtag_speed);\r
-\r
- buf[0] = 0x85; /* Disconnect TDI/DO to TDO/DI for Loopback */\r
- if (((retval = ft2232_write(buf, 1, &bytes_written)) != ERROR_OK) || (bytes_written != 1))\r
- {\r
- ERROR("couldn't write to FT2232 to disable loopback");\r
- return ERROR_JTAG_INIT_FAILED;\r
- }\r
-\r
-#if BUILD_FT2232_FTD2XX == 1\r
- return ft2232_purge_ftd2xx();\r
-#elif BUILD_FT2232_LIBFTDI == 1\r
- return ft2232_purge_libftdi();\r
-#endif \r
-\r
- return ERROR_OK;\r
-}\r
-\r
-int usbjtag_init(void)\r
-{\r
- u8 buf[3];\r
- u32 bytes_written;\r
- \r
- low_output = 0x08;\r
- low_direction = 0x0b;\r
- \r
- if (strcmp(ft2232_layout, "usbjtag") == 0)\r
- {\r
- nTRST = 0x10;\r
- nTRSTnOE = 0x10;\r
- nSRST = 0x40;\r
- nSRSTnOE = 0x40;\r
- }\r
- else if (strcmp(ft2232_layout, "signalyzer") == 0)\r
- {\r
- nTRST = 0x10;\r
- nTRSTnOE = 0x10;\r
- nSRST = 0x20;\r
- nSRSTnOE = 0x20;\r
- }\r
- else if (strcmp(ft2232_layout, "evb_lm3s811") == 0)\r
- {\r
- nTRST = 0x0;\r
- nTRSTnOE = 0x00;\r
- nSRST = 0x20;\r
- nSRSTnOE = 0x20;\r
- low_output = 0x88;\r
- low_direction = 0x8b;\r
- }\r
- else\r
- {\r
- ERROR("BUG: usbjtag_init called for unknown layout '%s'", ft2232_layout);\r
- return ERROR_JTAG_INIT_FAILED; \r
- }\r
- \r
- if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)\r
- {\r
- low_direction &= ~nTRSTnOE; /* nTRST input */\r
- low_output &= ~nTRST; /* nTRST = 0 */\r
- }\r
- else\r
- {\r
- low_direction |= nTRSTnOE; /* nTRST output */\r
- low_output |= nTRST; /* nTRST = 1 */\r
- }\r
- \r
- if (jtag_reset_config & RESET_SRST_PUSH_PULL)\r
- {\r
- low_direction |= nSRSTnOE; /* nSRST output */\r
- low_output |= nSRST; /* nSRST = 1 */\r
- }\r
- else\r
- {\r
- low_direction &= ~nSRSTnOE; /* nSRST input */\r
- low_output &= ~nSRST; /* nSRST = 0 */\r
- }\r
- \r
- /* initialize low byte for jtag */\r
- buf[0] = 0x80; /* command "set data bits low byte" */\r
- buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, xRST high) */\r
- buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in */\r
- DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);\r
- \r
- if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))\r
- {\r
- ERROR("couldn't initialize FT2232 with 'USBJTAG' layout"); \r
- return ERROR_JTAG_INIT_FAILED;\r
- }\r
-\r
- return ERROR_OK;\r
-}\r
-\r
-int jtagkey_init(void)\r
-{\r
- u8 buf[3];\r
- u32 bytes_written;\r
- \r
- low_output = 0x08;\r
- low_direction = 0x1b;\r
- \r
- /* initialize low byte for jtag */\r
- buf[0] = 0x80; /* command "set data bits low byte" */\r
- buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */\r
- buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE=out */\r
- DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);\r
- \r
- if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))\r
- {\r
- ERROR("couldn't initialize FT2232 with 'JTAGkey' layout"); \r
- return ERROR_JTAG_INIT_FAILED;\r
- }\r
- \r
- if (strcmp(layout->name, "jtagkey") == 0)\r
- {\r
- nTRST = 0x01;\r
- nTRSTnOE = 0x4;\r
- nSRST = 0x02;\r
- nSRSTnOE = 0x08;\r
- }\r
- else if ((strcmp(layout->name, "jtagkey_prototype_v1") == 0) ||\r
- (strcmp(layout->name, "oocdlink") == 0))\r
- {\r
- nTRST = 0x02;\r
- nTRSTnOE = 0x1;\r
- nSRST = 0x08;\r
- nSRSTnOE = 0x04;\r
- }\r
- else\r
- {\r
- ERROR("BUG: jtagkey_init called for non jtagkey layout");\r
- exit(-1);\r
- }\r
- \r
- high_output = 0x0;\r
- high_direction = 0x0f;\r
-\r
- if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)\r
- {\r
- high_output |= nTRSTnOE;\r
- high_output &= ~nTRST;\r
- }\r
- else\r
- {\r
- high_output &= ~nTRSTnOE;\r
- high_output |= nTRST;\r
- }\r
- \r
- if (jtag_reset_config & RESET_SRST_PUSH_PULL)\r
- {\r
- high_output &= ~nSRSTnOE;\r
- high_output |= nSRST;\r
- }\r
- else\r
- {\r
- high_output |= nSRSTnOE;\r
- high_output &= ~nSRST;\r
- }\r
- \r
- /* initialize high port */\r
- buf[0] = 0x82; /* command "set data bits high byte" */\r
- buf[1] = high_output; /* value */\r
- buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */\r
- DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);\r
- \r
- if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))\r
- {\r
- ERROR("couldn't initialize FT2232 with 'JTAGkey' layout"); \r
- return ERROR_JTAG_INIT_FAILED;\r
- }\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-int olimex_jtag_init(void)\r
-{\r
- u8 buf[3];\r
- u32 bytes_written;\r
- \r
- low_output = 0x08;\r
- low_direction = 0x1b;\r
- \r
- /* initialize low byte for jtag */\r
- buf[0] = 0x80; /* command "set data bits low byte" */\r
- buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */\r
- buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE=out */\r
- DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);\r
- \r
- if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))\r
- {\r
- ERROR("couldn't initialize FT2232 with 'JTAGkey' layout"); \r
- return ERROR_JTAG_INIT_FAILED;\r
- }\r
- \r
- nTRST = 0x01;\r
- nTRSTnOE = 0x4;\r
- nSRST = 0x02;\r
- nSRSTnOE = 0x00; /* no output enable for nSRST */\r
-\r
- high_output = 0x0;\r
- high_direction = 0x0f;\r
-\r
- if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)\r
- {\r
- high_output |= nTRSTnOE;\r
- high_output &= ~nTRST;\r
- }\r
- else\r
- {\r
- high_output &= ~nTRSTnOE;\r
- high_output |= nTRST;\r
- }\r
- \r
- if (jtag_reset_config & RESET_SRST_PUSH_PULL)\r
- {\r
- ERROR("can't set nSRST to push-pull on the Olimex ARM-USB-OCD");\r
- }\r
- else\r
- {\r
- high_output &= ~nSRST;\r
- }\r
- \r
- /* turn red LED on */\r
- high_output |= 0x08;\r
- \r
- /* initialize high port */\r
- buf[0] = 0x82; /* command "set data bits high byte" */\r
- buf[1] = high_output; /* value */\r
- buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */\r
- DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);\r
- \r
- if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))\r
- {\r
- ERROR("couldn't initialize FT2232 with 'JTAGkey' layout"); \r
- return ERROR_JTAG_INIT_FAILED;\r
- }\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-int flyswatter_init(void)\r
-{\r
- u8 buf[3];\r
- u32 bytes_written;\r
- \r
- low_output = 0x18;\r
- low_direction = 0xfb;\r
- \r
- /* initialize low byte for jtag */\r
- buf[0] = 0x80; /* command "set data bits low byte" */\r
- buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */\r
- buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE[12]=out, n[ST]srst=out */\r
- DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);\r
- \r
- if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))\r
- {\r
- ERROR("couldn't initialize FT2232 with 'flyswatter' layout"); \r
- return ERROR_JTAG_INIT_FAILED;\r
- }\r
- \r
- nTRST = 0x10;\r
- nTRSTnOE = 0x0; /* not output enable for nTRST */\r
- nSRST = 0x20;\r
- nSRSTnOE = 0x00; /* no output enable for nSRST */\r
-\r
- high_output = 0x00;\r
- high_direction = 0x0c;\r
-\r
- /* turn red LED1 on, LED2 off */\r
- high_output |= 0x08;\r
- \r
- /* initialize high port */\r
- buf[0] = 0x82; /* command "set data bits high byte" */\r
- buf[1] = high_output; /* value */\r
- buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */\r
- DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);\r
- \r
- if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))\r
- {\r
- ERROR("couldn't initialize FT2232 with 'flyswatter' layout"); \r
- return ERROR_JTAG_INIT_FAILED;\r
- }\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-int turtle_init(void)\r
-{\r
- u8 buf[3];\r
- u32 bytes_written;\r
- \r
- low_output = 0x08;\r
- low_direction = 0x5b;\r
- \r
- /* initialize low byte for jtag */\r
- buf[0] = 0x80; /* command "set data bits low byte" */\r
- buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */\r
- buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE=out */\r
- DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);\r
- \r
- if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))\r
- {\r
- ERROR("couldn't initialize FT2232 with 'turtelizer2' layout"); \r
- return ERROR_JTAG_INIT_FAILED;\r
- }\r
- \r
- nSRST = 0x40;\r
- \r
- high_output = 0x00;\r
- high_direction = 0x0C;\r
- \r
- /* initialize high port */\r
- buf[0] = 0x82; /* command "set data bits high byte" */\r
- buf[1] = high_output;\r
- buf[2] = high_direction;\r
- DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);\r
- \r
- if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))\r
- {\r
- ERROR("couldn't initialize FT2232 with 'turtelizer2' layout"); \r
- return ERROR_JTAG_INIT_FAILED;\r
- }\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-int comstick_init(void)\r
-{\r
- u8 buf[3];\r
- u32 bytes_written;\r
- \r
- low_output = 0x08;\r
- low_direction = 0x0b;\r
- \r
- /* initialize low byte for jtag */\r
- buf[0] = 0x80; /* command "set data bits low byte" */\r
- buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */\r
- buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE=out */\r
- DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);\r
- \r
- if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))\r
- {\r
- ERROR("couldn't initialize FT2232 with 'comstick' layout"); \r
- return ERROR_JTAG_INIT_FAILED;\r
- }\r
- \r
- nTRST = 0x01;\r
- nTRSTnOE = 0x00; /* no output enable for nTRST */\r
- nSRST = 0x02;\r
- nSRSTnOE = 0x00; /* no output enable for nSRST */\r
- \r
- high_output = 0x03;\r
- high_direction = 0x03;\r
- \r
- /* initialize high port */\r
- buf[0] = 0x82; /* command "set data bits high byte" */\r
- buf[1] = high_output;\r
- buf[2] = high_direction;\r
- DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);\r
- \r
- if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))\r
- {\r
- ERROR("couldn't initialize FT2232 with 'comstick' layout"); \r
- return ERROR_JTAG_INIT_FAILED;\r
- }\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-int stm32stick_init(void)\r
-{\r
- u8 buf[3];\r
- u32 bytes_written;\r
- \r
- low_output = 0x88;\r
- low_direction = 0x8b;\r
- \r
- /* initialize low byte for jtag */\r
- buf[0] = 0x80; /* command "set data bits low byte" */\r
- buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, nOE=0) */\r
- buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE=out */\r
- DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);\r
- \r
- if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))\r
- {\r
- ERROR("couldn't initialize FT2232 with 'stm32stick' layout"); \r
- return ERROR_JTAG_INIT_FAILED;\r
- }\r
- \r
- nTRST = 0x01;\r
- nTRSTnOE = 0x00; /* no output enable for nTRST */\r
- nSRST = 0x80;\r
- nSRSTnOE = 0x00; /* no output enable for nSRST */\r
- \r
- high_output = 0x01;\r
- high_direction = 0x03;\r
- \r
- /* initialize high port */\r
- buf[0] = 0x82; /* command "set data bits high byte" */\r
- buf[1] = high_output;\r
- buf[2] = high_direction;\r
- DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);\r
- \r
- if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))\r
- {\r
- ERROR("couldn't initialize FT2232 with 'stm32stick' layout"); \r
- return ERROR_JTAG_INIT_FAILED;\r
- }\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-void olimex_jtag_blink(void)\r
-{\r
- /* Olimex ARM-USB-OCD has a LED connected to ACBUS3\r
- * ACBUS3 is bit 3 of the GPIOH port\r
- */\r
- if (high_output & 0x08)\r
- {\r
- /* set port pin high */\r
- high_output &= 0x07;\r
- }\r
- else\r
- {\r
- /* set port pin low */\r
- high_output |= 0x08;\r
- }\r
- \r
- BUFFER_ADD = 0x82;\r
- BUFFER_ADD = high_output;\r
- BUFFER_ADD = high_direction;\r
-}\r
-\r
-void turtle_jtag_blink(void)\r
-{\r
- /* \r
- * Turtelizer2 has two LEDs connected to ACBUS2 and ACBUS3\r
- */\r
- if (high_output & 0x08)\r
- {\r
- high_output = 0x04;\r
- }\r
- else\r
- {\r
- high_output = 0x08;\r
- }\r
- \r
- BUFFER_ADD = 0x82;\r
- BUFFER_ADD = high_output;\r
- BUFFER_ADD = high_direction;\r
-}\r
-\r
-\r
-int ft2232_quit(void)\r
-{\r
-#if BUILD_FT2232_FTD2XX == 1\r
- FT_STATUS status;\r
-\r
- status = FT_Close(ftdih);\r
-#elif BUILD_FT2232_LIBFTDI == 1\r
- ftdi_disable_bitbang(&ftdic);\r
- \r
- ftdi_usb_close(&ftdic);\r
- \r
- ftdi_deinit(&ftdic);\r
-#endif\r
-\r
- free(ft2232_buffer);\r
- ft2232_buffer = NULL;\r
-\r
- return ERROR_OK;\r
-}\r
-\r
-int ft2232_handle_device_desc_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
-{\r
- if (argc == 1)\r
- {\r
- ft2232_device_desc = strdup(args[0]);\r
- }\r
- else\r
- {\r
- ERROR("expected exactly one argument to ft2232_device_desc <description>");\r
- }\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-int ft2232_handle_serial_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
-{\r
- if (argc == 1)\r
- {\r
- ft2232_serial = strdup(args[0]);\r
- }\r
- else\r
- {\r
- ERROR("expected exactly one argument to ft2232_serial <serial-number>");\r
- }\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-int ft2232_handle_layout_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
-{\r
- if (argc == 0)\r
- return ERROR_OK;\r
-\r
- ft2232_layout = malloc(strlen(args[0]) + 1);\r
- strcpy(ft2232_layout, args[0]);\r
-\r
- return ERROR_OK;\r
-}\r
-\r
-int ft2232_handle_vid_pid_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
-{\r
- int i;\r
-\r
- if (argc > MAX_USB_IDS*2) {\r
- WARNING("ignoring extra IDs in ft2232_vid_pid "\r
- "(maximum is %d pairs)", MAX_USB_IDS);\r
- argc = MAX_USB_IDS*2;\r
- }\r
- if (argc < 2 || (argc & 1))\r
- {\r
- WARNING("incomplete ft2232_vid_pid configuration directive");\r
- if (argc < 2)\r
- return ERROR_OK;\r
- }\r
-\r
- for (i = 0; i+1 < argc; i += 2) {\r
- ft2232_vid[i >> 1] = strtol(args[i], NULL, 0);\r
- ft2232_pid[i >> 1] = strtol(args[i+1], NULL, 0);\r
- }\r
- /*\r
- * Explicitly terminate, in case there are multiples instances of\r
- * ft2232_vid_pid.\r
- */\r
- ft2232_vid[i >> 1] = ft2232_pid[i >> 1] = 0;\r
-\r
- return ERROR_OK;\r
-}\r
-\r
-int ft2232_handle_latency_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
-{\r
- if (argc == 1)\r
- {\r
- ft2232_latency = atoi(args[0]);\r
- }\r
- else\r
- {\r
- ERROR("expected exactly one argument to ft2232_latency <ms>");\r
- }\r
- \r
- return ERROR_OK;\r
-}\r
-\r
-\r
+/***************************************************************************
+ * Copyright (C) 2004, 2006 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
+
+#if IS_CYGWIN == 1
+#include "windows.h"
+#undef ERROR
+#endif
+
+#include "replacements.h"
+
+/* project specific includes */
+#include "log.h"
+#include "types.h"
+#include "jtag.h"
+#include "configuration.h"
+#include "time_support.h"
+
+/* system includes */
+#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>
+
+/* enable this to debug io latency
+ */
+#if 0
+#define _DEBUG_USB_IO_
+#endif
+
+/* enable this to debug communication
+ */
+#if 0
+#define _DEBUG_USB_COMMS_
+#endif
+
+int ft2232_execute_queue(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 ft2232_handle_device_desc_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int ft2232_handle_serial_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);
+int ft2232_handle_latency_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+
+char *ft2232_device_desc = NULL;
+char *ft2232_serial = NULL;
+char *ft2232_layout = NULL;
+unsigned char ft2232_latency = 2;
+
+#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 };
+
+typedef struct ft2232_layout_s
+{
+ char* name;
+ int(*init)(void);
+ void(*reset)(int trst, int srst);
+ void(*blink)(void);
+} ft2232_layout_t;
+
+/* init procedures for supported layouts */
+int usbjtag_init(void);
+int jtagkey_init(void);
+int olimex_jtag_init(void);
+int flyswatter_init(void);
+int turtle_init(void);
+int comstick_init(void);
+int stm32stick_init(void);
+
+/* reset procedures for supported layouts */
+void usbjtag_reset(int trst, int srst);
+void jtagkey_reset(int trst, int srst);
+void olimex_jtag_reset(int trst, int srst);
+void flyswatter_reset(int trst, int srst);
+void turtle_reset(int trst, int srst);
+void comstick_reset(int trst, int srst);
+void stm32stick_reset(int trst, int srst);
+
+/* blink procedures for layouts that support a blinking led */
+void olimex_jtag_blink(void);
+void turtle_jtag_blink(void);
+
+ft2232_layout_t ft2232_layouts[] =
+{
+ {"usbjtag", usbjtag_init, usbjtag_reset, NULL},
+ {"jtagkey", jtagkey_init, jtagkey_reset, NULL},
+ {"jtagkey_prototype_v1", jtagkey_init, jtagkey_reset, NULL},
+ {"oocdlink", jtagkey_init, jtagkey_reset, NULL},
+ {"signalyzer", usbjtag_init, usbjtag_reset, NULL},
+ {"evb_lm3s811", usbjtag_init, usbjtag_reset, NULL},
+ {"olimex-jtag", olimex_jtag_init, olimex_jtag_reset, olimex_jtag_blink},
+ {"flyswatter", flyswatter_init, flyswatter_reset, NULL},
+ {"turtelizer2", turtle_init, turtle_reset, turtle_jtag_blink},
+ {"comstick", comstick_init, comstick_reset, NULL},
+ {"stm32stick", stm32stick_init, stm32stick_reset, NULL},
+ {NULL, NULL, NULL},
+};
+
+static u8 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;
+
+#if BUILD_FT2232_FTD2XX == 1
+static FT_HANDLE ftdih = NULL;
+#elif BUILD_FT2232_LIBFTDI == 1
+static struct ftdi_context ftdic;
+#endif
+
+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 ft2232_interface =
+{
+
+ .name = "ft2232",
+
+ .execute_queue = ft2232_execute_queue,
+
+ .speed = ft2232_speed,
+ .register_commands = ft2232_register_commands,
+ .init = ft2232_init,
+ .quit = ft2232_quit,
+};
+
+int ft2232_write(u8 *buf, int size, u32* bytes_written)
+{
+#if BUILD_FT2232_FTD2XX == 1
+ FT_STATUS status;
+ DWORD dw_bytes_written;
+ if ((status = FT_Write(ftdih, buf, size, &dw_bytes_written)) != FT_OK)
+ {
+ *bytes_written = dw_bytes_written;
+ ERROR("FT_Write returned: %lu", status);
+ return ERROR_JTAG_DEVICE_ERROR;
+ }
+ else
+ {
+ *bytes_written = dw_bytes_written;
+ return ERROR_OK;
+ }
+#elif BUILD_FT2232_LIBFTDI == 1
+ int retval;
+ if ((retval = ftdi_write_data(&ftdic, buf, size)) < 0)
+ {
+ *bytes_written = 0;
+ 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;
+ int timeout = 5;
+ *bytes_read = 0;
+
+ while ((*bytes_read < size) && timeout--)
+ {
+ if ((status = FT_Read(ftdih, buf + *bytes_read, size -
+ *bytes_read, &dw_bytes_read)) != FT_OK)
+ {
+ *bytes_read = 0;
+ ERROR("FT_Read returned: %lu", status);
+ return ERROR_JTAG_DEVICE_ERROR;
+ }
+ *bytes_read += dw_bytes_read;
+ }
+#elif BUILD_FT2232_LIBFTDI == 1
+ int retval;
+ int timeout = 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;
+ }
+#endif
+
+ if (*bytes_read < size)
+ {
+ ERROR("couldn't read the requested number of bytes from FT2232 device (%i < %i)", *bytes_read, size);
+ return ERROR_JTAG_DEVICE_ERROR;
+ }
+
+ return ERROR_OK;
+}
+
+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=2.0MHz, ...*/
+ buf[2] = (speed >> 8) & 0xff; /* valueH */
+
+ 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))
+ {
+ ERROR("couldn't set FT2232 TCK speed");
+ return retval;
+ }
+
+ jtag_speed = speed;
+
+ return ERROR_OK;
+}
+
+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, NULL);
+ register_command(cmd_ctx, NULL, "ft2232_serial", ft2232_handle_serial_command,
+ COMMAND_CONFIG, NULL);
+ register_command(cmd_ctx, NULL, "ft2232_layout", ft2232_handle_layout_command,
+ COMMAND_CONFIG, NULL);
+ register_command(cmd_ctx, NULL, "ft2232_vid_pid", ft2232_handle_vid_pid_command,
+ COMMAND_CONFIG, NULL);
+ register_command(cmd_ctx, NULL, "ft2232_latency", ft2232_handle_latency_command,
+ COMMAND_CONFIG, NULL);
+ return ERROR_OK;
+}
+
+void ft2232_end_state(enum tap_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 ft2232_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 ft2232_debug_dump_buffer(void)
+{
+ int i;
+ char line[256];
+ char *line_p = line;
+
+ for (i = 0; i < ft2232_buffer_size; i++)
+ {
+ line_p += snprintf(line_p, 256 - (line_p - line), "%2.2x ", ft2232_buffer[i]);
+ if (i % 16 == 15)
+ {
+ DEBUG("%s", line);
+ line_p = line;
+ }
+ }
+
+ if (line_p != line)
+ DEBUG("%s", line);
+}
+
+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;
+ int retval;
+ u32 bytes_written;
+ u32 bytes_read;
+
+#ifdef _DEBUG_USB_IO_
+ struct timeval start, inter, inter2, end;
+ struct timeval d_inter, d_inter2, d_end;
+#endif
+
+#ifdef _DEBUG_USB_COMMS_
+ DEBUG("write buffer (size %i):", ft2232_buffer_size);
+ ft2232_debug_dump_buffer();
+#endif
+
+#ifdef _DEBUG_USB_IO_
+ gettimeofday(&start, NULL);
+#endif
+
+ if ((retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written)) != ERROR_OK)
+ {
+ ERROR("couldn't write MPSSE commands to FT2232");
+ exit(-1);
+ }
+
+#ifdef _DEBUG_USB_IO_
+ gettimeofday(&inter, NULL);
+#endif
+
+ if (ft2232_expect_read)
+ {
+ int timeout = 100;
+ 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)
+ {
+ ERROR("couldn't read from FT2232");
+ exit(-1);
+ }
+
+#ifdef _DEBUG_USB_IO_
+ gettimeofday(&end, NULL);
+
+ timeval_subtract(&d_inter, &inter, &start);
+ timeval_subtract(&d_inter2, &inter2, &start);
+ timeval_subtract(&d_end, &end, &start);
+
+ INFO("inter: %i.%i, inter2: %i.%i end: %i.%i", d_inter.tv_sec, d_inter.tv_usec, d_inter2.tv_sec, d_inter2.tv_usec, d_end.tv_sec, d_end.tv_usec);
+#endif
+
+
+ ft2232_buffer_size = bytes_read;
+
+ if (ft2232_expect_read != ft2232_buffer_size)
+ {
+ 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, ft2232_buffer_size);
+ ft2232_debug_dump_buffer();
+#endif
+ }
+
+ ft2232_expect_read = 0;
+ ft2232_read_pointer = 0;
+
+ /* return ERROR_OK, unless a jtag_read_buffer returns a failed check
+ * that wasn't handled by a caller-provided error handler
+ */
+ retval = ERROR_OK;
+
+ cmd = first;
+ while (cmd != last)
+ {
+ switch (cmd->type)
+ {
+ case JTAG_SCAN:
+ type = jtag_scan_type(cmd->cmd.scan);
+ if (type != SCAN_OUT)
+ {
+ scan_size = jtag_scan_size(cmd->cmd.scan);
+ buffer = calloc(CEIL(scan_size, 8), 1);
+ ft2232_read_scan(type, buffer, scan_size);
+ if (jtag_read_buffer(buffer, cmd->cmd.scan) != ERROR_OK)
+ retval = ERROR_JTAG_QUEUE_FAILED;
+ free(buffer);
+ }
+ break;
+ default:
+ break;
+ }
+ cmd = cmd->next;
+ }
+
+ ft2232_buffer_size = 0;
+
+ return retval;
+}
+
+void ft2232_add_pathmove(pathmove_command_t *cmd)
+{
+ int num_states = cmd->num_states;
+ u8 tms_byte;
+ int state_count;
+
+ state_count = 0;
+ while (num_states)
+ {
+ tms_byte = 0x0;
+ int bit_count = 0;
+
+ /* command "Clock Data to TMS/CS Pin (no Read)" */
+ BUFFER_ADD = 0x4b;
+ /* number of states remaining */
+ BUFFER_ADD = (num_states % 7) - 1;
+
+ while (num_states % 7)
+ {
+ if (tap_transitions[cur_state].low == cmd->path[state_count])
+ buf_set_u32(&tms_byte, bit_count++, 1, 0x0);
+ else if (tap_transitions[cur_state].high == cmd->path[state_count])
+ buf_set_u32(&tms_byte, bit_count++, 1, 0x1);
+ else
+ {
+ ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_strings[cur_state], tap_state_strings[cmd->path[state_count]]);
+ exit(-1);
+ }
+
+ cur_state = cmd->path[state_count];
+ state_count++;
+ num_states--;
+ }
+
+ BUFFER_ADD = tms_byte;
+ }
+
+ end_state = cur_state;
+}
+
+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;
+ int cur_byte = 0;
+ int last_bit;
+
+ if (!((!ir_scan && (cur_state == TAP_SD)) || (ir_scan && (cur_state == TAP_SI))))
+ {
+ /* 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 */
+ while (num_bytes > 1)
+ {
+ int thisrun_bytes;
+ 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);
+ }
+ 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;
+ if (type != SCAN_IN)
+ {
+ /* add complete bytes */
+ while(thisrun_bytes-- > 0)
+ {
+ BUFFER_ADD = buffer[cur_byte];
+ cur_byte++;
+ bits_left -= 8;
+ }
+ }
+ else /* (type == SCAN_IN) */
+ {
+ bits_left -= 8 * (thisrun_bytes);
+ }
+ }
+
+ /* the most signifcant bit is scanned during TAP movement */
+ if (type != SCAN_IN)
+ last_bit = (buffer[cur_byte] >> (bits_left - 1)) & 0x1;
+ else
+ last_bit = 0;
+
+ /* process remaining bits but the last one */
+ if (bits_left > 1)
+ {
+ if (type == SCAN_IO)
+ {
+ /* Clock Data Bits In and Out LSB First */
+ BUFFER_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];
+ }
+
+ if ((ir_scan && (end_state == TAP_SI)) ||
+ (!ir_scan && (end_state == TAP_SD)))
+ {
+ 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 = 0x0;
+ BUFFER_ADD = last_bit;
+ }
+ else
+ {
+ /* 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 ft2232_large_scan(scan_command_t *cmd, 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;
+ u8 *receive_buffer = malloc(CEIL(scan_size, 8));
+ u8 *receive_pointer = receive_buffer;
+ u32 bytes_written;
+ u32 bytes_read;
+ int retval;
+ int thisrun_read = 0;
+
+ if (cmd->ir_scan)
+ {
+ ERROR("BUG: large IR scans are not supported");
+ exit(-1);
+ }
+
+ if (cur_state != TAP_SD)
+ {
+ /* 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_SD);
+ cur_state = TAP_SD;
+ }
+
+ if ((retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written)) != ERROR_OK)
+ {
+ ERROR("couldn't write MPSSE commands to FT2232");
+ exit(-1);
+ }
+ DEBUG("ft2232_buffer_size: %i, bytes_written: %i", ft2232_buffer_size, bytes_written);
+ ft2232_buffer_size = 0;
+
+ /* add command for complete bytes */
+ while (num_bytes > 1)
+ {
+ int thisrun_bytes;
+
+ if (type == SCAN_IO)
+ {
+ /* Clock Data Bytes In and Out LSB First */
+ BUFFER_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);
+ }
+ 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;
+ if (type != SCAN_IN)
+ {
+ /* add complete bytes */
+ while(thisrun_bytes-- > 0)
+ {
+ BUFFER_ADD = buffer[cur_byte];
+ cur_byte++;
+ bits_left -= 8;
+ }
+ }
+ else /* (type == SCAN_IN) */
+ {
+ bits_left -= 8 * (thisrun_bytes);
+ }
+
+ if ((retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written)) != ERROR_OK)
+ {
+ ERROR("couldn't write MPSSE commands to FT2232");
+ exit(-1);
+ }
+ DEBUG("ft2232_buffer_size: %i, bytes_written: %i", ft2232_buffer_size, bytes_written);
+ ft2232_buffer_size = 0;
+
+ if (type != SCAN_OUT)
+ {
+ if ((retval = ft2232_read(receive_pointer, thisrun_read, &bytes_read)) != ERROR_OK)
+ {
+ ERROR("couldn't read from FT2232");
+ exit(-1);
+ }
+ DEBUG("thisrun_read: %i, bytes_read: %i", thisrun_read, bytes_read);
+ receive_pointer += bytes_read;
+ }
+ }
+
+ thisrun_read = 0;
+
+ /* the most signifcant bit is scanned during TAP movement */
+ if (type != SCAN_IN)
+ last_bit = (buffer[cur_byte] >> (bits_left - 1)) & 0x1;
+ else
+ last_bit = 0;
+
+ /* process remaining bits but the last one */
+ if (bits_left > 1)
+ {
+ if (type == SCAN_IO)
+ {
+ /* Clock Data Bits In and Out LSB First */
+ BUFFER_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];
+
+ if (type != SCAN_OUT)
+ thisrun_read += 2;
+ }
+
+ if (end_state == TAP_SD)
+ {
+ 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 = 0x0;
+ BUFFER_ADD = last_bit;
+ }
+ else
+ {
+ /* 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;
+ }
+
+ if (type != SCAN_OUT)
+ thisrun_read += 1;
+
+ if ((retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written)) != ERROR_OK)
+ {
+ ERROR("couldn't write MPSSE commands to FT2232");
+ exit(-1);
+ }
+ DEBUG("ft2232_buffer_size: %i, bytes_written: %i", ft2232_buffer_size, bytes_written);
+ ft2232_buffer_size = 0;
+
+ if (type != SCAN_OUT)
+ {
+ if ((retval = ft2232_read(receive_pointer, thisrun_read, &bytes_read)) != ERROR_OK)
+ {
+ ERROR("couldn't read from FT2232");
+ exit(-1);
+ }
+ DEBUG("thisrun_read: %i, bytes_read: %i", thisrun_read, bytes_read);
+ receive_pointer += bytes_read;
+ }
+
+ return ERROR_OK;
+}
+
+int ft2232_predict_scan_out(int scan_size, enum scan_type type)
+{
+ int predicted_size = 3;
+ int num_bytes = (scan_size - 1) / 8;
+
+ if (cur_state != TAP_SD)
+ predicted_size += 3;
+
+ if (type == SCAN_IN) /* only from device to host */
+ {
+ /* complete bytes */
+ predicted_size += (CEIL(num_bytes, 65536)) * 3;
+ /* remaining bits - 1 (up to 7) */
+ predicted_size += ((scan_size - 1) % 8) ? 2 : 0;
+ }
+ else /* host to device, or bidirectional */
+ {
+ /* complete bytes */
+ predicted_size += num_bytes + (CEIL(num_bytes, 65536)) * 3;
+ /* remaining bits -1 (up to 7) */
+ predicted_size += ((scan_size - 1) % 8) ? 3 : 0;
+ }
+
+ return predicted_size;
+}
+
+int ft2232_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;
+}
+
+void usbjtag_reset(int trst, int srst)
+{
+ if (trst == 1)
+ {
+ cur_state = TAP_TLR;
+ if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
+ low_direction |= nTRSTnOE; /* switch to output pin (output is low) */
+ else
+ low_output &= ~nTRST; /* switch output low */
+ }
+ else if (trst == 0)
+ {
+ if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
+ low_direction &= ~nTRSTnOE; /* switch to input pin (high-Z + internal and external pullup) */
+ else
+ low_output |= nTRST; /* switch output high */
+ }
+
+ if (srst == 1)
+ {
+ if (jtag_reset_config & RESET_SRST_PUSH_PULL)
+ low_output &= ~nSRST; /* switch output low */
+ else
+ low_direction |= nSRSTnOE; /* switch to output pin (output is low) */
+ }
+ else if (srst == 0)
+ {
+ if (jtag_reset_config & RESET_SRST_PUSH_PULL)
+ low_output |= nSRST; /* switch output high */
+ else
+ low_direction &= ~nSRSTnOE; /* switch to input pin (high-Z) */
+ }
+
+ /* command "set data bits low byte" */
+ BUFFER_ADD = 0x80;
+ BUFFER_ADD = low_output;
+ BUFFER_ADD = low_direction;
+
+}
+
+void jtagkey_reset(int trst, int srst)
+{
+ if (trst == 1)
+ {
+ cur_state = TAP_TLR;
+ 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_ADD = 0x82;
+ BUFFER_ADD = high_output;
+ BUFFER_ADD = high_direction;
+ DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_direction);
+}
+
+void olimex_jtag_reset(int trst, int srst)
+{
+ if (trst == 1)
+ {
+ cur_state = TAP_TLR;
+ if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
+ high_output &= ~nTRSTnOE;
+ else
+ high_output &= ~nTRST;
+ }
+ else if (trst == 0)
+ {
+ if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
+ high_output |= nTRSTnOE;
+ else
+ high_output |= nTRST;
+ }
+
+ if (srst == 1)
+ {
+ high_output |= nSRST;
+ }
+ else if (srst == 0)
+ {
+ high_output &= ~nSRST;
+ }
+
+ /* command "set data bits high byte" */
+ BUFFER_ADD = 0x82;
+ BUFFER_ADD = high_output;
+ BUFFER_ADD = high_direction;
+ DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_direction);
+}
+
+void flyswatter_reset(int trst, int srst)
+{
+ if (trst == 1)
+ {
+ cur_state = TAP_TLR;
+ low_output &= ~nTRST;
+ }
+ else if (trst == 0)
+ {
+ low_output |= nTRST;
+ }
+
+ if (srst == 1)
+ {
+ low_output |= nSRST;
+ }
+ else if (srst == 0)
+ {
+ low_output &= ~nSRST;
+ }
+
+ /* command "set data bits low byte" */
+ BUFFER_ADD = 0x80;
+ BUFFER_ADD = low_output;
+ BUFFER_ADD = low_direction;
+ DEBUG("trst: %i, srst: %i, low_output: 0x%2.2x, low_direction: 0x%2.2x", trst, srst, low_output, low_direction);
+}
+
+void turtle_reset(int trst, int srst)
+{
+ trst = trst;
+
+ if (srst == 1)
+ {
+ low_output |= nSRST;
+ }
+ else if (srst == 0)
+ {
+ low_output &= ~nSRST;
+ }
+
+ /* command "set data bits low byte" */
+ BUFFER_ADD = 0x80;
+ BUFFER_ADD = low_output;
+ BUFFER_ADD = low_direction;
+ DEBUG("srst: %i, low_output: 0x%2.2x, low_direction: 0x%2.2x", srst, low_output, low_direction);
+}
+
+void comstick_reset(int trst, int srst)
+{
+ if (trst == 1)
+ {
+ cur_state = TAP_TLR;
+ high_output &= ~nTRST;
+ }
+ else if (trst == 0)
+ {
+ high_output |= nTRST;
+ }
+
+ if (srst == 1)
+ {
+ high_output &= ~nSRST;
+ }
+ else if (srst == 0)
+ {
+ high_output |= nSRST;
+ }
+
+ /* command "set data bits high byte" */
+ BUFFER_ADD = 0x82;
+ BUFFER_ADD = high_output;
+ BUFFER_ADD = high_direction;
+ DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_direction);
+}
+
+void stm32stick_reset(int trst, int srst)
+{
+ if (trst == 1)
+ {
+ cur_state = TAP_TLR;
+ high_output &= ~nTRST;
+ }
+ else if (trst == 0)
+ {
+ high_output |= nTRST;
+ }
+
+ if (srst == 1)
+ {
+ low_output &= ~nSRST;
+ }
+ else if (srst == 0)
+ {
+ low_output |= nSRST;
+ }
+
+ /* command "set data bits low byte" */
+ BUFFER_ADD = 0x80;
+ BUFFER_ADD = low_output;
+ BUFFER_ADD = low_direction;
+
+ /* command "set data bits high byte" */
+ BUFFER_ADD = 0x82;
+ BUFFER_ADD = high_output;
+ BUFFER_ADD = high_direction;
+ DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_direction);
+}
+
+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 */
+ 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;
+ int retval;
+
+ /* return ERROR_OK, unless ft2232_send_and_recv reports a failed check
+ * that wasn't handled by a caller-provided error handler
+ */
+ retval = ERROR_OK;
+
+ ft2232_buffer_size = 0;
+ ft2232_expect_read = 0;
+
+ /* blink, if the current layout has that feature */
+ if (layout->blink)
+ layout->blink();
+
+ while (cmd)
+ {
+ switch(cmd->type)
+ {
+ case JTAG_END_STATE:
+ if (cmd->cmd.end_state->end_state != -1)
+ 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 (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
+ {
+ if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
+ retval = ERROR_JTAG_QUEUE_FAILED;
+ require_send = 0;
+ first_unsent = cmd;
+ }
+
+ layout->reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
+ require_send = 1;
+
+#ifdef _DEBUG_JTAG_IO_
+ DEBUG("trst: %i, srst: %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
+#endif
+ 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 (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
+ {
+ if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
+ retval = ERROR_JTAG_QUEUE_FAILED;
+ require_send = 0;
+ first_unsent = cmd;
+ }
+ if (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)
+ ft2232_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;
+#ifdef _DEBUG_JTAG_IO_
+ DEBUG("runtest: %i, end in %i", cmd->cmd.runtest->num_cycles, end_state);
+#endif
+ break;
+ case JTAG_STATEMOVE:
+ /* only send the maximum buffer size that FT2232C can handle */
+ predicted_size = 3;
+ if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
+ {
+ if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
+ retval = ERROR_JTAG_QUEUE_FAILED;
+ require_send = 0;
+ first_unsent = cmd;
+ }
+ if (cmd->cmd.statemove->end_state != -1)
+ ft2232_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;
+#ifdef _DEBUG_JTAG_IO_
+ DEBUG("statemove: %i", end_state);
+#endif
+ break;
+ case JTAG_PATHMOVE:
+ /* only send the maximum buffer size that FT2232C can handle */
+ predicted_size = 3 * CEIL(cmd->cmd.pathmove->num_states, 7);
+ if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
+ {
+ if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
+ retval = ERROR_JTAG_QUEUE_FAILED;
+ require_send = 0;
+ first_unsent = cmd;
+ }
+ ft2232_add_pathmove(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]);
+#endif
+ break;
+ case JTAG_SCAN:
+ 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)
+ {
+ DEBUG("oversized ft2232 scan (predicted_size > FT2232_BUFFER_SIZE)");
+ /* unsent commands before this */
+ if (first_unsent != cmd)
+ if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
+ retval = ERROR_JTAG_QUEUE_FAILED;
+
+ /* current command */
+ if (cmd->cmd.scan->end_state != -1)
+ ft2232_end_state(cmd->cmd.scan->end_state);
+ ft2232_large_scan(cmd->cmd.scan, type, buffer, scan_size);
+ require_send = 0;
+ first_unsent = cmd->next;
+ if (buffer)
+ free(buffer);
+ break;
+ }
+ else if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
+ {
+ DEBUG("ft2232 buffer size reached, sending queued commands (first_unsent: %p, cmd: %p)", first_unsent, cmd);
+ if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
+ retval = ERROR_JTAG_QUEUE_FAILED;
+ require_send = 0;
+ first_unsent = cmd;
+ }
+ ft2232_expect_read += ft2232_predict_scan_in(scan_size, type);
+ //DEBUG("new read size: %i", ft2232_expect_read);
+ if (cmd->cmd.scan->end_state != -1)
+ 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_
+ DEBUG("%s scan, %i bit, end in %i", (cmd->cmd.scan->ir_scan) ? "IR" : "DR", scan_size, end_state);
+#endif
+ break;
+ case JTAG_SLEEP:
+ 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_
+ DEBUG("sleep %i usec", cmd->cmd.sleep->us);
+#endif
+ break;
+ default:
+ ERROR("BUG: unknown JTAG command type encountered");
+ exit(-1);
+ }
+ cmd = cmd->next;
+ }
+
+ if (require_send > 0)
+ if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
+ retval = ERROR_JTAG_QUEUE_FAILED;
+
+ return retval;
+}
+
+#if BUILD_FT2232_FTD2XX == 1
+static int ft2232_init_ftd2xx(u16 vid, u16 pid, int more, int *try_more)
+{
+ FT_STATUS status;
+ DWORD openex_flags = 0;
+ char *openex_string = NULL;
+ u8 latency_timer;
+
+ 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)
+ {
+ WARNING("couldn't add %4.4x:%4.4x",
+ vid, pid);
+ }
+#endif
+
+ if (ft2232_device_desc && ft2232_serial)
+ {
+ WARNING("can't open by device description and serial number, giving precedence to serial");
+ ft2232_device_desc = NULL;
+ }
+
+ if (ft2232_device_desc)
+ {
+ openex_string = ft2232_device_desc;
+ openex_flags = FT_OPEN_BY_DESCRIPTION;
+ }
+ else if (ft2232_serial)
+ {
+ openex_string = ft2232_serial;
+ openex_flags = FT_OPEN_BY_SERIAL_NUMBER;
+ }
+ else
+ {
+ ERROR("neither device description nor serial number specified");
+ ERROR("please add \"ft2232_device_desc <string>\" or \"ft2232_serial <string>\" to your .cfg file");
+
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ if ((status = FT_OpenEx(openex_string, openex_flags, &ftdih)) != FT_OK)
+ {
+ DWORD num_devices;
+
+ if (more) {
+ WARNING("unable to open ftdi device (trying more): %lu",
+ status);
+ *try_more = 1;
+ return ERROR_JTAG_INIT_FAILED;
+ }
+ ERROR("unable to open ftdi device: %lu", status);
+ status = FT_ListDevices(&num_devices, NULL, FT_LIST_NUMBER_ONLY);
+ if (status == FT_OK)
+ {
+ char **desc_array = malloc(sizeof(char*) * (num_devices + 1));
+ int i;
+
+ for (i = 0; i < num_devices; i++)
+ desc_array[i] = malloc(64);
+ desc_array[num_devices] = NULL;
+
+ status = FT_ListDevices(desc_array, &num_devices, FT_LIST_ALL | openex_flags);
+
+ if (status == FT_OK)
+ {
+ ERROR("ListDevices: %lu\n", num_devices);
+ for (i = 0; i < num_devices; i++)
+ ERROR("%i: %s", i, desc_array[i]);
+ }
+
+ for (i = 0; i < num_devices; i++)
+ free(desc_array[i]);
+ free(desc_array);
+ }
+ else
+ {
+ ERROR("ListDevices: NONE\n");
+ }
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ if ((status = FT_SetLatencyTimer(ftdih, ft2232_latency)) != FT_OK)
+ {
+ ERROR("unable to set latency timer: %lu", status);
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ if ((status = FT_GetLatencyTimer(ftdih, &latency_timer)) != FT_OK)
+ {
+ ERROR("unable to get latency timer: %lu", status);
+ return ERROR_JTAG_INIT_FAILED;
+ }
+ else
+ {
+ DEBUG("current latency timer: %i", latency_timer);
+ }
+
+ if ((status = FT_SetTimeouts(ftdih, 5000, 5000)) != FT_OK)
+ {
+ ERROR("unable to set timeouts: %lu", status);
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ if ((status = FT_SetBitMode(ftdih, 0x0b, 2)) != FT_OK)
+ {
+ ERROR("unable to enable bit i/o mode: %lu", status);
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ 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)
+ {
+ ERROR("error purging ftd2xx device: %lu", status);
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ return ERROR_OK;
+}
+#endif /* BUILD_FT2232_FTD2XX == 1 */
+
+#if BUILD_FT2232_LIBFTDI == 1
+static int ft2232_init_libftdi(u16 vid, u16 pid, int more, int *try_more)
+{
+ u8 latency_timer;
+
+ DEBUG("'ft2232' interface using libftdi with '%s' layout (%4.4x:%4.4x)",
+ ft2232_layout, vid, pid);
+
+ if (ftdi_init(&ftdic) < 0)
+ return ERROR_JTAG_INIT_FAILED;
+
+ /* context, vendor id, product id */
+ if (ftdi_usb_open_desc(&ftdic, vid, pid, ft2232_device_desc,
+ ft2232_serial) < 0) {
+ if (more)
+ WARNING("unable to open ftdi device (trying more): %s",
+ ftdic.error_str);
+ else
+ ERROR("unable to open ftdi device: %s", ftdic.error_str);
+ *try_more = 1;
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ if (ftdi_set_interface(&ftdic, INTERFACE_A) < 0)
+ {
+ ERROR("unable to select FT2232 channel A: %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, ft2232_latency) < 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);
+ }
+
+ ftdi_set_bitmode(&ftdic, 0x0b, 2); /* ctx, JTAG I/O mask */
+
+ return ERROR_OK;
+}
+
+static int ft2232_purge_libftdi(void)
+{
+ if (ftdi_usb_purge_buffers(&ftdic) < 0)
+ {
+ ERROR("ftdi_purge_buffers: %s", ftdic.error_str);
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ return ERROR_OK;
+}
+#endif /* BUILD_FT2232_LIBFTDI == 1 */
+
+int ft2232_init(void)
+{
+ u8 buf[1];
+ int retval;
+ u32 bytes_written;
+ ft2232_layout_t *cur_layout = ft2232_layouts;
+ int i;
+
+ if ((ft2232_layout == NULL) || (ft2232_layout[0] == 0))
+ {
+ ft2232_layout = "usbjtag";
+ WARNING("No ft2232 layout specified, using default 'usbjtag'");
+ }
+
+ while (cur_layout->name)
+ {
+ if (strcmp(cur_layout->name, ft2232_layout) == 0)
+ {
+ layout = cur_layout;
+ break;
+ }
+ cur_layout++;
+ }
+
+ if (!layout)
+ {
+ ERROR("No matching layout found for %s", ft2232_layout);
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ for (i = 0; 1; i++) {
+ /*
+ * "more indicates that there are more IDs to try, so we should
+ * not print an error for an ID mismatch (but for anything
+ * else, we should).
+ *
+ * try_more indicates that the error code returned indicates an
+ * ID mismatch (and nothing else) and that we should proceeed
+ * with the next ID pair.
+ */
+ int more = ft2232_vid[i+1] || ft2232_pid[i+1];
+ int try_more = 0;
+
+#if BUILD_FT2232_FTD2XX == 1
+ retval = ft2232_init_ftd2xx(ft2232_vid[i], ft2232_pid[i],
+ more, &try_more);
+#elif BUILD_FT2232_LIBFTDI == 1
+ retval = ft2232_init_libftdi(ft2232_vid[i], ft2232_pid[i],
+ more, &try_more);
+#endif
+ if (retval >= 0)
+ break;
+ if (!more || !try_more)
+ return retval;
+ }
+
+ ft2232_buffer_size = 0;
+ ft2232_buffer = malloc(FT2232_BUFFER_SIZE);
+
+ if (layout->init() != ERROR_OK)
+ return ERROR_JTAG_INIT_FAILED;
+
+ ft2232_speed(jtag_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))
+ {
+ ERROR("couldn't write to FT2232 to disable loopback");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+#if BUILD_FT2232_FTD2XX == 1
+ return ft2232_purge_ftd2xx();
+#elif BUILD_FT2232_LIBFTDI == 1
+ return ft2232_purge_libftdi();
+#endif
+
+ return ERROR_OK;
+}
+
+int usbjtag_init(void)
+{
+ u8 buf[3];
+ u32 bytes_written;
+
+ low_output = 0x08;
+ low_direction = 0x0b;
+
+ if (strcmp(ft2232_layout, "usbjtag") == 0)
+ {
+ nTRST = 0x10;
+ nTRSTnOE = 0x10;
+ nSRST = 0x40;
+ nSRSTnOE = 0x40;
+ }
+ else if (strcmp(ft2232_layout, "signalyzer") == 0)
+ {
+ nTRST = 0x10;
+ nTRSTnOE = 0x10;
+ nSRST = 0x20;
+ nSRSTnOE = 0x20;
+ }
+ else if (strcmp(ft2232_layout, "evb_lm3s811") == 0)
+ {
+ nTRST = 0x0;
+ nTRSTnOE = 0x00;
+ nSRST = 0x20;
+ nSRSTnOE = 0x20;
+ low_output = 0x88;
+ low_direction = 0x8b;
+ }
+ else
+ {
+ ERROR("BUG: usbjtag_init called for unknown layout '%s'", ft2232_layout);
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
+ {
+ low_direction &= ~nTRSTnOE; /* nTRST input */
+ low_output &= ~nTRST; /* nTRST = 0 */
+ }
+ else
+ {
+ low_direction |= nTRSTnOE; /* nTRST output */
+ low_output |= nTRST; /* nTRST = 1 */
+ }
+
+ if (jtag_reset_config & RESET_SRST_PUSH_PULL)
+ {
+ low_direction |= nSRSTnOE; /* nSRST output */
+ low_output |= nSRST; /* nSRST = 1 */
+ }
+ else
+ {
+ low_direction &= ~nSRSTnOE; /* nSRST input */
+ low_output &= ~nSRST; /* nSRST = 0 */
+ }
+
+ /* initialize low byte for jtag */
+ buf[0] = 0x80; /* command "set data bits low byte" */
+ buf[1] = low_output; /* value (TMS=1,TCK=0, TDI=0, xRST high) */
+ buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in */
+ 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))
+ {
+ ERROR("couldn't initialize FT2232 with 'USBJTAG' layout");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ return ERROR_OK;
+}
+
+int jtagkey_init(void)
+{
+ u8 buf[3];
+ u32 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 */
+ 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))
+ {
+ ERROR("couldn't initialize FT2232 with 'JTAGkey' layout");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ if (strcmp(layout->name, "jtagkey") == 0)
+ {
+ nTRST = 0x01;
+ nTRSTnOE = 0x4;
+ nSRST = 0x02;
+ nSRSTnOE = 0x08;
+ }
+ else if ((strcmp(layout->name, "jtagkey_prototype_v1") == 0) ||
+ (strcmp(layout->name, "oocdlink") == 0))
+ {
+ nTRST = 0x02;
+ nTRSTnOE = 0x1;
+ nSRST = 0x08;
+ nSRSTnOE = 0x04;
+ }
+ else
+ {
+ ERROR("BUG: jtagkey_init called for non jtagkey layout");
+ exit(-1);
+ }
+
+ high_output = 0x0;
+ high_direction = 0x0f;
+
+ if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
+ {
+ high_output |= nTRSTnOE;
+ high_output &= ~nTRST;
+ }
+ else
+ {
+ high_output &= ~nTRSTnOE;
+ high_output |= nTRST;
+ }
+
+ if (jtag_reset_config & RESET_SRST_PUSH_PULL)
+ {
+ high_output &= ~nSRSTnOE;
+ high_output |= nSRST;
+ }
+ else
+ {
+ high_output |= nSRSTnOE;
+ high_output &= ~nSRST;
+ }
+
+ /* initialize high port */
+ buf[0] = 0x82; /* command "set data bits high byte" */
+ buf[1] = high_output; /* value */
+ buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */
+ 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))
+ {
+ ERROR("couldn't initialize FT2232 with 'JTAGkey' layout");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ return ERROR_OK;
+}
+
+int olimex_jtag_init(void)
+{
+ u8 buf[3];
+ u32 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 */
+ 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))
+ {
+ ERROR("couldn't initialize FT2232 with 'JTAGkey' layout");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ nTRST = 0x01;
+ nTRSTnOE = 0x4;
+ nSRST = 0x02;
+ nSRSTnOE = 0x00; /* no output enable for nSRST */
+
+ high_output = 0x0;
+ high_direction = 0x0f;
+
+ 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)
+ {
+ ERROR("can't set nSRST to push-pull on the Olimex ARM-USB-OCD");
+ }
+ else
+ {
+ high_output &= ~nSRST;
+ }
+
+ /* turn red LED on */
+ high_output |= 0x08;
+
+ /* initialize high port */
+ buf[0] = 0x82; /* command "set data bits high byte" */
+ buf[1] = high_output; /* value */
+ buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */
+ 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))
+ {
+ ERROR("couldn't initialize FT2232 with 'JTAGkey' layout");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ return ERROR_OK;
+}
+
+int flyswatter_init(void)
+{
+ u8 buf[3];
+ u32 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 */
+ 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))
+ {
+ ERROR("couldn't initialize FT2232 with 'flyswatter' layout");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ nTRST = 0x10;
+ nTRSTnOE = 0x0; /* not output enable for nTRST */
+ nSRST = 0x20;
+ nSRSTnOE = 0x00; /* no output enable for nSRST */
+
+ high_output = 0x00;
+ high_direction = 0x0c;
+
+ /* turn red LED1 on, LED2 off */
+ high_output |= 0x08;
+
+ /* initialize high port */
+ buf[0] = 0x82; /* command "set data bits high byte" */
+ buf[1] = high_output; /* value */
+ buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */
+ 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))
+ {
+ ERROR("couldn't initialize FT2232 with 'flyswatter' layout");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ return ERROR_OK;
+}
+
+int turtle_init(void)
+{
+ u8 buf[3];
+ u32 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 */
+ 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))
+ {
+ ERROR("couldn't initialize FT2232 with 'turtelizer2' layout");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ nSRST = 0x40;
+
+ high_output = 0x00;
+ high_direction = 0x0C;
+
+ /* initialize high port */
+ buf[0] = 0x82; /* command "set data bits high byte" */
+ buf[1] = high_output;
+ buf[2] = high_direction;
+ 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))
+ {
+ ERROR("couldn't initialize FT2232 with 'turtelizer2' layout");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ return ERROR_OK;
+}
+
+int comstick_init(void)
+{
+ u8 buf[3];
+ u32 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 */
+ 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))
+ {
+ ERROR("couldn't initialize FT2232 with 'comstick' layout");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ nTRST = 0x01;
+ nTRSTnOE = 0x00; /* no output enable for nTRST */
+ nSRST = 0x02;
+ nSRSTnOE = 0x00; /* no output enable for nSRST */
+
+ high_output = 0x03;
+ high_direction = 0x03;
+
+ /* initialize high port */
+ buf[0] = 0x82; /* command "set data bits high byte" */
+ buf[1] = high_output;
+ buf[2] = high_direction;
+ 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))
+ {
+ ERROR("couldn't initialize FT2232 with 'comstick' layout");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ return ERROR_OK;
+}
+
+int stm32stick_init(void)
+{
+ u8 buf[3];
+ u32 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 */
+ 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))
+ {
+ ERROR("couldn't initialize FT2232 with 'stm32stick' layout");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ nTRST = 0x01;
+ nTRSTnOE = 0x00; /* no output enable for nTRST */
+ nSRST = 0x80;
+ nSRSTnOE = 0x00; /* no output enable for nSRST */
+
+ high_output = 0x01;
+ high_direction = 0x03;
+
+ /* initialize high port */
+ buf[0] = 0x82; /* command "set data bits high byte" */
+ buf[1] = high_output;
+ buf[2] = high_direction;
+ 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))
+ {
+ ERROR("couldn't initialize FT2232 with 'stm32stick' layout");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ return ERROR_OK;
+}
+
+void olimex_jtag_blink(void)
+{
+ /* Olimex ARM-USB-OCD has a LED connected to ACBUS3
+ * ACBUS3 is bit 3 of the GPIOH port
+ */
+ if (high_output & 0x08)
+ {
+ /* set port pin high */
+ high_output &= 0x07;
+ }
+ else
+ {
+ /* set port pin low */
+ high_output |= 0x08;
+ }
+
+ BUFFER_ADD = 0x82;
+ BUFFER_ADD = high_output;
+ BUFFER_ADD = high_direction;
+}
+
+void turtle_jtag_blink(void)
+{
+ /*
+ * Turtelizer2 has two LEDs connected to ACBUS2 and ACBUS3
+ */
+ if (high_output & 0x08)
+ {
+ high_output = 0x04;
+ }
+ else
+ {
+ high_output = 0x08;
+ }
+
+ BUFFER_ADD = 0x82;
+ BUFFER_ADD = high_output;
+ BUFFER_ADD = high_direction;
+}
+
+
+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(ft2232_buffer);
+ ft2232_buffer = NULL;
+
+ return ERROR_OK;
+}
+
+int ft2232_handle_device_desc_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ if (argc == 1)
+ {
+ ft2232_device_desc = strdup(args[0]);
+ }
+ else
+ {
+ ERROR("expected exactly one argument to ft2232_device_desc <description>");
+ }
+
+ return ERROR_OK;
+}
+
+int ft2232_handle_serial_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ if (argc == 1)
+ {
+ ft2232_serial = strdup(args[0]);
+ }
+ else
+ {
+ ERROR("expected exactly one argument to ft2232_serial <serial-number>");
+ }
+
+ return ERROR_OK;
+}
+
+int ft2232_handle_layout_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ if (argc == 0)
+ return ERROR_OK;
+
+ ft2232_layout = malloc(strlen(args[0]) + 1);
+ strcpy(ft2232_layout, args[0]);
+
+ return ERROR_OK;
+}
+
+int ft2232_handle_vid_pid_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ int i;
+
+ if (argc > MAX_USB_IDS*2) {
+ 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))
+ {
+ WARNING("incomplete ft2232_vid_pid configuration directive");
+ if (argc < 2)
+ return ERROR_OK;
+ }
+
+ for (i = 0; i+1 < argc; i += 2) {
+ ft2232_vid[i >> 1] = strtol(args[i], NULL, 0);
+ ft2232_pid[i >> 1] = strtol(args[i+1], NULL, 0);
+ }
+ /*
+ * Explicitly terminate, in case there are multiples instances of
+ * ft2232_vid_pid.
+ */
+ ft2232_vid[i >> 1] = ft2232_pid[i >> 1] = 0;
+
+ return ERROR_OK;
+}
+
+int ft2232_handle_latency_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ if (argc == 1)
+ {
+ ft2232_latency = atoi(args[0]);
+ }
+ else
+ {
+ ERROR("expected exactly one argument to ft2232_latency <ms>");
+ }
+
+ return ERROR_OK;
+}
+
+
Code Review / openocd.git / blobdiff