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;
-u16 ft2232_vid = 0x0403;
-u16 ft2232_pid = 0x6010;
+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},
- {"jtagkey", jtagkey_init, jtagkey_reset},
- {"jtagkey_prototype_v1", jtagkey_init, jtagkey_reset},
+ {"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},
};
.execute_queue = ft2232_execute_queue,
- .support_statemove = 1,
-
.speed = ft2232_speed,
.register_commands = ft2232_register_commands,
.init = ft2232_init,
if ((status = FT_Write(ftdih, buf, size, &dw_bytes_written)) != FT_OK)
{
*bytes_written = dw_bytes_written;
- ERROR("FT_Write returned: %i", status);
+ ERROR("FT_Write returned: %lu", status);
return ERROR_JTAG_DEVICE_ERROR;
}
else
#if BUILD_FT2232_FTD2XX == 1
DWORD dw_bytes_read;
FT_STATUS status;
- if ((status = FT_Read(ftdih, buf, size, &dw_bytes_read)) != FT_OK)
+ int timeout = 5;
+ *bytes_read = 0;
+
+ while ((*bytes_read < size) && timeout--)
{
- *bytes_read = dw_bytes_read;
- ERROR("FT_Read returned: %i", status);
- return ERROR_JTAG_DEVICE_ERROR;
+ 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;
}
- *bytes_read = dw_bytes_read;
- return ERROR_OK;
-
#elif BUILD_FT2232_LIBFTDI == 1
int retval;
int timeout = 100;
}
*bytes_read += retval;
}
- return ERROR_OK;
#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)
u32 bytes_written;
buf[0] = 0x86; /* command "set divisor" */
- buf[1] = speed & 0xff; /* valueL (0=6MHz, 1=3MHz, 2=1.5MHz, ...*/
+ 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]);
ERROR("couldn't set FT2232 TCK speed");
return retval;
}
+
+ jtag_speed = speed;
return ERROR_OK;
}
{
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(state)
+void ft2232_end_state(enum tap_state state)
{
if (tap_move_map[state] != -1)
end_state = state;
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)
{
scan_size = jtag_scan_size(cmd->cmd.scan);
buffer = calloc(CEIL(scan_size, 8), 1);
ft2232_read_scan(type, buffer, scan_size);
- jtag_read_buffer(buffer, cmd->cmd.scan);
+ if (jtag_read_buffer(buffer, cmd->cmd.scan) != ERROR_OK)
+ retval = ERROR_JTAG_QUEUE_FAILED;
free(buffer);
}
break;
ft2232_buffer_size = 0;
- return ERROR_OK;
+ return retval;
}
void ft2232_add_pathmove(pathmove_command_t *cmd)
tms_byte = 0x0;
int bit_count = 0;
+ int num_states_batch = num_states > 7 ? 7 : num_states;
+
/* command "Clock Data to TMS/CS Pin (no Read)" */
BUFFER_ADD = 0x4b;
/* number of states remaining */
- BUFFER_ADD = (num_states % 7) - 1;
+ BUFFER_ADD = num_states_batch - 1;
- while (num_states % 7)
+ while (num_states_batch--)
{
if (tap_transitions[cur_state].low == cmd->path[state_count])
buf_set_u32(&tms_byte, bit_count++, 1, 0x0);
int cur_byte = 0;
int last_bit;
- if ((!ir_scan && (cur_state != TAP_SD)) || (ir_scan && (cur_state != TAP_SI)))
+ 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;
}
/* add command for complete bytes */
- if (num_bytes > 1)
+ while (num_bytes > 1)
{
+ int thisrun_bytes;
if (type == SCAN_IO)
{
/* Clock Data Bytes In and Out LSB First */
BUFFER_ADD = 0x28;
//DEBUG("added TDI bytes (i %i)", num_bytes);
}
- BUFFER_ADD = (num_bytes-2) & 0xff;
- BUFFER_ADD = ((num_bytes-2) >> 8) & 0xff;
+ 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)
{
- /* add complete bytes */
- while(num_bytes-- > 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];
- cur_byte++;
- bits_left -= 8;
+ }
+
+ 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 (type == SCAN_IN)
+
+ if ((retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written)) != ERROR_OK)
{
- bits_left -= 8 * (num_bytes - 1);
+ 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;
BUFFER_ADD = bits_left - 2;
if (type != SCAN_IN)
BUFFER_ADD = buffer[cur_byte];
+
+ if (type != SCAN_OUT)
+ thisrun_read += 2;
}
- /* move from Shift-IR/DR to end state */
- if (type != SCAN_OUT)
+ if (end_state == TAP_SD)
{
- /* Clock Data to TMS/CS Pin with Read */
- BUFFER_ADD = 0x6b;
- //DEBUG("added TMS scan (read)");
+ 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
{
- /* Clock Data to TMS/CS Pin (no Read) */
- BUFFER_ADD = 0x4b;
- //DEBUG("added TMS scan (no read)");
+ /* 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;
}
- 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(scan_size, 8) > 1) ? 3 : 0;
+ 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 += (CEIL(scan_size, 8) > 1) ? (CEIL(scan_size, 8) + 3 - 1) : 0;
+ predicted_size += num_bytes + (CEIL(num_bytes, 65536)) * 3;
/* remaining bits -1 (up to 7) */
predicted_size += ((scan_size - 1) % 8) ? 3 : 0;
}
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()
+void olimex_jtag_reset(int trst, int srst)
{
- 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;
+ 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;
+ }
- ft2232_buffer_size = 0;
- ft2232_expect_read = 0;
+ 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);
+}
- while (cmd)
+void flyswatter_reset(int trst, int srst)
+{
+ if (trst == 1)
{
- 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)
- {
- ft2232_send_and_recv(first_unsent, cmd);
- require_send = 0;
- first_unsent = cmd;
- }
+ 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;
predicted_size += 3;
if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
{
- ft2232_send_and_recv(first_unsent, cmd);
+ if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
+ retval = ERROR_JTAG_QUEUE_FAILED;
require_send = 0;
first_unsent = cmd;
}
predicted_size = 3;
if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
{
- ft2232_send_and_recv(first_unsent, cmd);
+ if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
+ retval = ERROR_JTAG_QUEUE_FAILED;
require_send = 0;
first_unsent = cmd;
}
predicted_size = 3 * CEIL(cmd->cmd.pathmove->num_states, 7);
if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
{
- ft2232_send_and_recv(first_unsent, cmd);
+ if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
+ retval = ERROR_JTAG_QUEUE_FAILED;
require_send = 0;
first_unsent = cmd;
}
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 (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
+ if ((predicted_size + 1) > FT2232_BUFFER_SIZE)
{
- DEBUG("ftd2xx buffer size reached, sending queued commands (first_unsent: %x, cmd: %x)", first_unsent, cmd);
- ft2232_send_and_recv(first_unsent, cmd);
+ 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;
}
#endif
break;
case JTAG_SLEEP:
- ft2232_send_and_recv(first_unsent, cmd);
+ 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_
}
if (require_send > 0)
- ft2232_send_and_recv(first_unsent, cmd);
+ if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
+ retval = ERROR_JTAG_QUEUE_FAILED;
- return ERROR_OK;
+ return retval;
}
-int ft2232_init(void)
-{
- u8 latency_timer;
- u8 buf[1];
- int retval;
- u32 bytes_written;
-
#if BUILD_FT2232_FTD2XX == 1
+static int ft2232_init_ftd2xx(u16 vid, u16 pid, int more, int *try_more)
+{
FT_STATUS status;
-#endif
+ DWORD openex_flags = 0;
+ char *openex_string = NULL;
+ u8 latency_timer;
- ft2232_layout_t *cur_layout = ft2232_layouts;
-
- if ((ft2232_layout == NULL) || (ft2232_layout[0] == 0))
- {
- ft2232_layout = "usbjtag";
- WARNING("No ft2232 layout specified, using default 'usbjtag'");
- }
-
- while (cur_layout->name)
+ DEBUG("'ft2232' interface using FTD2XX with '%s' layout (%4.4x:%4.4x)",
+ ft2232_layout, vid, pid);
+
+#if IS_WIN32 == 0
+ /* Add non-standard Vid/Pid to the linux driver */
+ if ((status = FT_SetVIDPID(vid, pid)) != FT_OK)
{
- if (strcmp(cur_layout->name, ft2232_layout) == 0)
- {
- layout = cur_layout;
- break;
- }
- cur_layout++;
+ WARNING("couldn't add %4.4x:%4.4x",
+ vid, pid);
}
+#endif
- if (!layout)
+ if (ft2232_device_desc && ft2232_serial)
{
- ERROR("No matching layout found for %s", ft2232_layout);
- return ERROR_JTAG_INIT_FAILED;
+ WARNING("can't open by device description and serial number, giving precedence to serial");
+ ft2232_device_desc = NULL;
}
-#if BUILD_FT2232_FTD2XX == 1
- DEBUG("'ft2232' interface using FTD2XX with '%s' layout", ft2232_layout);
-#elif BUILD_FT2232_LIBFTDI == 1
- DEBUG("'ft2232' interface using libftdi with '%s' layout", ft2232_layout);
-#endif
-
- if (ft2232_device_desc == NULL)
+ if (ft2232_device_desc)
{
- WARNING("no ftd2xx device description specified, using default 'Dual RS232'");
- ft2232_device_desc = "Dual RS232";
+ openex_string = ft2232_device_desc;
+ openex_flags = FT_OPEN_BY_DESCRIPTION;
}
-
-#if BUILD_FT2232_FTD2XX == 1
-
-#if IS_WIN32 == 0
- /* Add non-standard Vid/Pid to the linux driver */
- if ((status = FT_SetVIDPID(ft2232_vid, ft2232_pid)) != FT_OK)
+ else if (ft2232_serial)
{
- WARNING("couldn't add %4.4x:%4.4x", ft2232_vid, ft2232_pid);
+ 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;
}
-#endif
- if ((status = FT_OpenEx(ft2232_device_desc, FT_OPEN_BY_DESCRIPTION, &ftdih)) != FT_OK)
+ if ((status = FT_OpenEx(openex_string, openex_flags, &ftdih)) != FT_OK)
{
DWORD num_devices;
- ERROR("unable to open ftdi device: %i", status);
+ 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)
{
desc_array[i] = malloc(64);
desc_array[num_devices] = NULL;
- status = FT_ListDevices(desc_array, &num_devices, FT_LIST_ALL | FT_OPEN_BY_DESCRIPTION);
+ status = FT_ListDevices(desc_array, &num_devices, FT_LIST_ALL | openex_flags);
if (status == FT_OK)
{
- ERROR("ListDevices: %d\n", num_devices);
+ ERROR("ListDevices: %lu\n", num_devices);
for (i = 0; i < num_devices; i++)
ERROR("%i: %s", i, desc_array[i]);
}
}
else
{
- printf("ListDevices: NONE\n");
+ ERROR("ListDevices: NONE\n");
}
return ERROR_JTAG_INIT_FAILED;
}
- if ((status = FT_SetLatencyTimer(ftdih, 2)) != FT_OK)
+ if ((status = FT_SetLatencyTimer(ftdih, ft2232_latency)) != FT_OK)
{
- ERROR("unable to set latency timer: %i", status);
+ 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: %i", status);
+ 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: %i", status);
+ ERROR("unable to enable bit i/o mode: %lu", status);
return ERROR_JTAG_INIT_FAILED;
}
-#elif BUILD_FT2232_LIBFTDI == 1
+
+ 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(&ftdic, ft2232_vid, ft2232_pid) < 0)
+ 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 open ftdi device: %s", ftdic.error_str);
+ ERROR("unable to select FT2232 channel A: %s", ftdic.error_str);
return ERROR_JTAG_INIT_FAILED;
}
return ERROR_JTAG_INIT_FAILED;
}
- if (ftdi_set_latency_timer(&ftdic, 2) < 0)
+ if (ftdi_set_latency_timer(&ftdic, ft2232_latency) < 0)
{
ERROR("unable to set latency timer");
return ERROR_JTAG_INIT_FAILED;
DEBUG("current latency timer: %i", latency_timer);
}
- ftdic.bitbang_mode = 0; /* Reset controller */
- ftdi_enable_bitbang(&ftdic, 0x0b); /* ctx, JTAG I/O mask */
+ 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 */
- ftdic.bitbang_mode = 2; /* MPSSE mode */
- ftdi_enable_bitbang(&ftdic, 0x0b); /* ctx, JTAG I/O mask */
+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 BUILD_FT2232_FTD2XX == 1
- if ((status = FT_Purge(ftdih, FT_PURGE_RX | FT_PURGE_TX)) != FT_OK)
- {
- ERROR("error purging ftd2xx device: %i", status);
- return ERROR_JTAG_INIT_FAILED;
- }
+ return ft2232_purge_ftd2xx();
#elif BUILD_FT2232_LIBFTDI == 1
- if (ftdi_usb_purge_buffers(&ftdic) < 0)
- {
- ERROR("ftdi_purge_buffers: %s", ftdic.error_str);
- return ERROR_JTAG_INIT_FAILED;
- }
+ return ft2232_purge_libftdi();
#endif
return ERROR_OK;
low_output = 0x08;
low_direction = 0x0b;
- nTRST = 0x10;
- nTRSTnOE = 0x10;
- nSRST = 0x40;
- nSRSTnOE = 0x40;
+ 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)
{
nSRST = 0x02;
nSRSTnOE = 0x08;
}
- else if (strcmp(layout->name, "jtagkey_prototype_v1") == 0)
+ else if ((strcmp(layout->name, "jtagkey_prototype_v1") == 0) ||
+ (strcmp(layout->name, "oocdlink") == 0))
{
nTRST = 0x02;
nTRSTnOE = 0x1;
}
/* initialize high port */
- buf[0] = 0x82; /* command "set data bits low byte" */
+ 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]);
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
#endif
free(ft2232_buffer);
+ ft2232_buffer = NULL;
return ERROR_OK;
}
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)
int ft2232_handle_vid_pid_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
- if (argc >= 2)
+ 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))
{
- ft2232_vid = strtol(args[0], NULL, 0);
- ft2232_pid = strtol(args[1], NULL, 0);
+ 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
{
- WARNING("incomplete ft2232_vid_pid configuration directive");
+ ERROR("expected exactly one argument to ft2232_latency <ms>");
}
return ERROR_OK;
}
+
+