/***************************************************************************
- * Copyright (C) 2004 by Dominic Rath *
+ * Copyright (C) 2004, 2006 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
* This program is free software; you can redistribute it and/or modify *
#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>
#define _DEBUG_USB_COMMS_
#endif
-/* enable this to work around ftd2xx deadlock
- */
-#if 0
-#define _FTD2XX_QUEUE_DELAY_
-#endif
-
-int ftd2xx_execute_queue(void);
+int ft2232_execute_queue(void);
-int ftd2xx_speed(int speed);
-int ftd2xx_register_commands(struct command_context_s *cmd_ctx);
-int ftd2xx_init(void);
-int ftd2xx_quit(void);
+int ft2232_speed(int speed);
+int ft2232_register_commands(struct command_context_s *cmd_ctx);
+int ft2232_init(void);
+int ft2232_quit(void);
-int ftd2xx_handle_device_desc_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int ftd2xx_handle_layout_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int ftd2xx_handle_vid_pid_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int ft2232_handle_device_desc_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int ft2232_handle_layout_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int ft2232_handle_vid_pid_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-char *ftd2xx_device_desc = NULL;
-char *ftd2xx_layout = NULL;
-u16 ftd2xx_vid = 0x0403;
-u16 ftd2xx_pid = 0x6010;
+char *ft2232_device_desc = NULL;
+char *ft2232_layout = NULL;
+u16 ft2232_vid = 0x0403;
+u16 ft2232_pid = 0x6010;
-typedef struct ftd2xx_layout_s
+typedef struct ft2232_layout_s
{
char* name;
int(*init)(void);
void(*reset)(int trst, int srst);
-} ftd2xx_layout_t;
+} ft2232_layout_t;
int usbjtag_init(void);
int jtagkey_init(void);
void usbjtag_reset(int trst, int srst);
void jtagkey_reset(int trst, int srst);
-ftd2xx_layout_t ftd2xx_layouts[] =
+ft2232_layout_t ft2232_layouts[] =
{
{"usbjtag", usbjtag_init, usbjtag_reset},
{"jtagkey", jtagkey_init, jtagkey_reset},
static u8 nTRST, nTRSTnOE, nSRST, nSRSTnOE;
-static ftd2xx_layout_t *layout;
+static ft2232_layout_t *layout;
static u8 low_output = 0x0;
static u8 low_direction = 0x0;
static u8 high_output = 0x0;
static u8 high_direction = 0x0;
+
+#if BUILD_FT2232_FTD2XX == 1
static FT_HANDLE ftdih = NULL;
+#elif BUILD_FT2232_LIBFTDI == 1
+static struct ftdi_context ftdic;
+#endif
-static u8 *ftd2xx_buffer = NULL;
-static int ftd2xx_buffer_size = 0;
-static int ftd2xx_read_pointer = 0;
-static int ftd2xx_expect_read = 0;
-#define FTD2XX_BUFFER_SIZE 131072
-#define BUFFER_ADD ftd2xx_buffer[ftd2xx_buffer_size++]
-#define BUFFER_READ ftd2xx_buffer[ftd2xx_read_pointer++]
+static u8 *ft2232_buffer = NULL;
+static int ft2232_buffer_size = 0;
+static int ft2232_read_pointer = 0;
+static int ft2232_expect_read = 0;
+#define FT2232_BUFFER_SIZE 131072
+#define BUFFER_ADD ft2232_buffer[ft2232_buffer_size++]
+#define BUFFER_READ ft2232_buffer[ft2232_read_pointer++]
-jtag_interface_t ftd2xx_interface =
+jtag_interface_t ft2232_interface =
{
- .name = "ftd2xx",
+ .name = "ft2232",
- .execute_queue = ftd2xx_execute_queue,
+ .execute_queue = ft2232_execute_queue,
.support_statemove = 1,
- .speed = ftd2xx_speed,
- .register_commands = ftd2xx_register_commands,
- .init = ftd2xx_init,
- .quit = ftd2xx_quit,
+ .speed = ft2232_speed,
+ .register_commands = ft2232_register_commands,
+ .init = ft2232_init,
+ .quit = ft2232_quit,
};
-int ftd2xx_speed(int speed)
+int ft2232_write(u8 *buf, int size, u32* bytes_written)
{
- u8 buf[3];
+#if BUILD_FT2232_FTD2XX == 1
FT_STATUS status;
- DWORD bytes_written;
+ DWORD dw_bytes_written;
+ if ((status = FT_Write(ftdih, buf, size, &dw_bytes_written)) != FT_OK)
+ {
+ *bytes_written = dw_bytes_written;
+ ERROR("FT_Write returned: %i", status);
+ return ERROR_JTAG_DEVICE_ERROR;
+ }
+ else
+ {
+ *bytes_written = dw_bytes_written;
+ return ERROR_OK;
+ }
+#elif BUILD_FT2232_LIBFTDI == 1
+ int retval;
+ if ((retval = ftdi_write_data(&ftdic, buf, size)) < 0)
+ {
+ *bytes_written = 0;
+ ERROR("ftdi_write_data: %s", ftdi_get_error_string(&ftdic));
+ return ERROR_JTAG_DEVICE_ERROR;
+ }
+ else
+ {
+ *bytes_written = retval;
+ return ERROR_OK;
+ }
+#endif
+}
+
+int ft2232_read(u8* buf, int size, u32* bytes_read)
+{
+#if BUILD_FT2232_FTD2XX == 1
+ DWORD dw_bytes_read;
+ FT_STATUS status;
+ if ((status = FT_Read(ftdih, buf, size, &dw_bytes_read)) != FT_OK)
+ {
+ *bytes_read = dw_bytes_read;
+ ERROR("FT_Read returned: %i", status);
+ return ERROR_JTAG_DEVICE_ERROR;
+ }
+ *bytes_read = dw_bytes_read;
+ return ERROR_OK;
+
+#elif BUILD_FT2232_LIBFTDI == 1
+ int retval;
+ int timeout = 100;
+ *bytes_read = 0;
+
+ while ((*bytes_read < size) && timeout--)
+ {
+ if ((retval = ftdi_read_data(&ftdic, buf + *bytes_read, size - *bytes_read)) < 0)
+ {
+ *bytes_read = 0;
+ ERROR("ftdi_read_data: %s", ftdi_get_error_string(&ftdic));
+ return ERROR_JTAG_DEVICE_ERROR;
+ }
+ *bytes_read += retval;
+ }
+ return ERROR_OK;
+#endif
+}
+
+int ft2232_speed(int speed)
+{
+ u8 buf[3];
+ int retval;
+ u32 bytes_written;
buf[0] = 0x86; /* command "set divisor" */
buf[1] = speed & 0xff; /* valueL (0=6MHz, 1=3MHz, 2=1.5MHz, ...*/
buf[2] = (speed >> 8) & 0xff; /* valueH */
DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
- if (((status = FT_Write(ftdih, buf, 3, &bytes_written)) != FT_OK) || (bytes_written != 3))
+ if (((retval = ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
{
- ERROR("couldn't write to ftdi device: %i", status);
- return status;
+ ERROR("couldn't set FT2232 TCK speed");
+ return retval;
}
return ERROR_OK;
}
-int ftd2xx_register_commands(struct command_context_s *cmd_ctx)
+int ft2232_register_commands(struct command_context_s *cmd_ctx)
{
- register_command(cmd_ctx, NULL, "ftd2xx_device_desc", ftd2xx_handle_device_desc_command,
+ register_command(cmd_ctx, NULL, "ft2232_device_desc", ft2232_handle_device_desc_command,
COMMAND_CONFIG, NULL);
- register_command(cmd_ctx, NULL, "ftd2xx_layout", ftd2xx_handle_layout_command,
+ register_command(cmd_ctx, NULL, "ft2232_layout", ft2232_handle_layout_command,
COMMAND_CONFIG, NULL);
- register_command(cmd_ctx, NULL, "ftd2xx_vid_pid", ftd2xx_handle_vid_pid_command,
+ register_command(cmd_ctx, NULL, "ft2232_vid_pid", ft2232_handle_vid_pid_command,
COMMAND_CONFIG, NULL);
return ERROR_OK;
}
-void ftd2xx_end_state(state)
+void ft2232_end_state(state)
{
if (tap_move_map[state] != -1)
end_state = state;
}
}
-void ftd2xx_read_scan(enum scan_type type, u8* buffer, int scan_size)
+void ft2232_read_scan(enum scan_type type, u8* buffer, int scan_size)
{
int num_bytes = ((scan_size + 7) / 8);
int bits_left = scan_size;
}
-void ftd2xx_debug_dump_buffer(void)
+void ft2232_debug_dump_buffer(void)
{
int i;
char line[256];
char *line_p = line;
- for (i = 0; i < ftd2xx_buffer_size; i++)
+ for (i = 0; i < ft2232_buffer_size; i++)
{
- line_p += snprintf(line_p, 256 - (line_p - line), "%2.2x ", ftd2xx_buffer[i]);
+ line_p += snprintf(line_p, 256 - (line_p - line), "%2.2x ", ft2232_buffer[i]);
if (i % 16 == 15)
{
DEBUG("%s", line);
DEBUG("%s", line);
}
-int ftd2xx_send_and_recv(jtag_command_t *first, jtag_command_t *last)
+int ft2232_send_and_recv(jtag_command_t *first, jtag_command_t *last)
{
jtag_command_t *cmd;
u8 *buffer;
int scan_size;
enum scan_type type;
- FT_STATUS status;
- DWORD bytes_written;
- DWORD bytes_read;
+ int retval;
+ u32 bytes_written;
+ u32 bytes_read;
#ifdef _DEBUG_USB_IO_
struct timeval start, inter, inter2, end;
#endif
#ifdef _DEBUG_USB_COMMS_
- DEBUG("write buffer (size %i):", ftd2xx_buffer_size);
- ftd2xx_debug_dump_buffer();
+ DEBUG("write buffer (size %i):", ft2232_buffer_size);
+ ft2232_debug_dump_buffer();
#endif
#ifdef _DEBUG_USB_IO_
gettimeofday(&start, NULL);
#endif
- if ((status = FT_Write(ftdih, ftd2xx_buffer, ftd2xx_buffer_size, &bytes_written)) != FT_OK)
+ if ((retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written)) != ERROR_OK)
{
- ERROR("couldn't write to ftdi device: %i", status);
+ ERROR("couldn't write MPSSE commands to FT2232");
exit(-1);
}
gettimeofday(&inter, NULL);
#endif
- if (ftd2xx_expect_read)
+ if (ft2232_expect_read)
{
int timeout = 100;
- ftd2xx_buffer_size = 0;
-
-#ifdef _FTD2XX_QUEUE_DELAY_
- DWORD inrxqueue = 0;
- while (inrxqueue < ftd2xx_expect_read)
- {
- FT_GetQueueStatus(ftdih, &inrxqueue);
- if (inrxqueue >= ftd2xx_expect_read)
- break;
- usleep(1000);
- };
-#endif
+ ft2232_buffer_size = 0;
#ifdef _DEBUG_USB_IO_
- gettimeofday(&inter2, NULL);
+ gettimeofday(&inter2, NULL);
#endif
-
- if ((status = FT_Read(ftdih, ftd2xx_buffer, ftd2xx_expect_read, &bytes_read)) != FT_OK)
+
+ if ((retval = ft2232_read(ft2232_buffer, ft2232_expect_read, &bytes_read)) != ERROR_OK)
{
- ERROR("couldn't read from ftdi device: %i", status);
+ ERROR("couldn't read from FT2232");
exit(-1);
}
-
+
#ifdef _DEBUG_USB_IO_
gettimeofday(&end, NULL);
#endif
- ftd2xx_buffer_size = bytes_read;
+ ft2232_buffer_size = bytes_read;
- if (ftd2xx_expect_read != ftd2xx_buffer_size)
+ if (ft2232_expect_read != ft2232_buffer_size)
{
- ERROR("ftd2xx_expect_read (%i) != ftd2xx_buffer_size (%i) (%i retries)", ftd2xx_expect_read, ftd2xx_buffer_size, 100 - timeout);
- ftd2xx_debug_dump_buffer();
+ ERROR("ft2232_expect_read (%i) != ft2232_buffer_size (%i) (%i retries)", ft2232_expect_read, ft2232_buffer_size, 100 - timeout);
+ ft2232_debug_dump_buffer();
exit(-1);
}
#ifdef _DEBUG_USB_COMMS_
- DEBUG("read buffer (%i retries): %i bytes", 100 - timeout, ftd2xx_buffer_size);
- ftd2xx_debug_dump_buffer();
+ DEBUG("read buffer (%i retries): %i bytes", 100 - timeout, ft2232_buffer_size);
+ ft2232_debug_dump_buffer();
#endif
}
- ftd2xx_expect_read = 0;
- ftd2xx_read_pointer = 0;
+ ft2232_expect_read = 0;
+ ft2232_read_pointer = 0;
cmd = first;
while (cmd != last)
{
scan_size = jtag_scan_size(cmd->cmd.scan);
buffer = calloc(CEIL(scan_size, 8), 1);
- ftd2xx_read_scan(type, buffer, scan_size);
+ ft2232_read_scan(type, buffer, scan_size);
jtag_read_buffer(buffer, cmd->cmd.scan);
free(buffer);
}
cmd = cmd->next;
}
- ftd2xx_buffer_size = 0;
+ ft2232_buffer_size = 0;
return ERROR_OK;
}
-void ftd2xx_add_pathmove(pathmove_command_t *cmd)
+void ft2232_add_pathmove(pathmove_command_t *cmd)
{
int num_states = cmd->num_states;
u8 tms_byte;
end_state = cur_state;
}
-void ftd2xx_add_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size)
+void ft2232_add_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size)
{
int num_bytes = (scan_size + 7) / 8;
int bits_left = scan_size;
}
-int ftd2xx_predict_scan_out(int scan_size, enum scan_type type)
+int ft2232_predict_scan_out(int scan_size, enum scan_type type)
{
int predicted_size = 3;
return predicted_size;
}
-int ftd2xx_predict_scan_in(int scan_size, enum scan_type type)
+int ft2232_predict_scan_in(int scan_size, enum scan_type type)
{
int predicted_size = 0;
DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_direction);
}
-int ftd2xx_execute_queue()
+int ft2232_execute_queue()
{
jtag_command_t *cmd = jtag_command_queue; /* currently processed command */
jtag_command_t *first_unsent = cmd; /* next command that has to be sent */
int predicted_size = 0;
int require_send = 0;
- ftd2xx_buffer_size = 0;
- ftd2xx_expect_read = 0;
+ ft2232_buffer_size = 0;
+ ft2232_expect_read = 0;
while (cmd)
{
{
case JTAG_END_STATE:
if (cmd->cmd.end_state->end_state != -1)
- ftd2xx_end_state(cmd->cmd.end_state->end_state);
+ ft2232_end_state(cmd->cmd.end_state->end_state);
break;
case JTAG_RESET:
/* only send the maximum buffer size that FT2232C can handle */
predicted_size = 3;
- if (ftd2xx_buffer_size + predicted_size + 1 > FTD2XX_BUFFER_SIZE)
+ if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
{
- ftd2xx_send_and_recv(first_unsent, cmd);
+ ft2232_send_and_recv(first_unsent, cmd);
require_send = 0;
first_unsent = cmd;
}
predicted_size += 3;
if ((cmd->cmd.runtest->end_state == -1) && (end_state != TAP_RTI))
predicted_size += 3;
- if (ftd2xx_buffer_size + predicted_size + 1 > FTD2XX_BUFFER_SIZE)
+ if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
{
- ftd2xx_send_and_recv(first_unsent, cmd);
+ ft2232_send_and_recv(first_unsent, cmd);
require_send = 0;
first_unsent = cmd;
}
//DEBUG("added TMS scan (no read)");
}
if (cmd->cmd.runtest->end_state != -1)
- ftd2xx_end_state(cmd->cmd.runtest->end_state);
+ ft2232_end_state(cmd->cmd.runtest->end_state);
if (cur_state != end_state)
{
/* command "Clock Data to TMS/CS Pin (no Read)" */
case JTAG_STATEMOVE:
/* only send the maximum buffer size that FT2232C can handle */
predicted_size = 3;
- if (ftd2xx_buffer_size + predicted_size + 1 > FTD2XX_BUFFER_SIZE)
+ if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
{
- ftd2xx_send_and_recv(first_unsent, cmd);
+ ft2232_send_and_recv(first_unsent, cmd);
require_send = 0;
first_unsent = cmd;
}
if (cmd->cmd.statemove->end_state != -1)
- ftd2xx_end_state(cmd->cmd.statemove->end_state);
+ ft2232_end_state(cmd->cmd.statemove->end_state);
/* command "Clock Data to TMS/CS Pin (no Read)" */
BUFFER_ADD = 0x4b;
/* scan 7 bit */
case JTAG_PATHMOVE:
/* only send the maximum buffer size that FT2232C can handle */
predicted_size = 3 * CEIL(cmd->cmd.pathmove->num_states, 7);
- if (ftd2xx_buffer_size + predicted_size + 1 > FTD2XX_BUFFER_SIZE)
+ if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
{
- ftd2xx_send_and_recv(first_unsent, cmd);
+ ft2232_send_and_recv(first_unsent, cmd);
require_send = 0;
first_unsent = cmd;
}
- ftd2xx_add_pathmove(cmd->cmd.pathmove);
+ ft2232_add_pathmove(cmd->cmd.pathmove);
require_send = 1;
#ifdef _DEBUG_JTAG_IO_
DEBUG("pathmove: %i states, end in %i", cmd->cmd.pathmove->num_states, cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]);
case JTAG_SCAN:
scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer);
type = jtag_scan_type(cmd->cmd.scan);
- predicted_size = ftd2xx_predict_scan_out(scan_size, type);
- if (ftd2xx_buffer_size + predicted_size + 1 > FTD2XX_BUFFER_SIZE)
+ predicted_size = ft2232_predict_scan_out(scan_size, type);
+ if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
{
DEBUG("ftd2xx buffer size reached, sending queued commands (first_unsent: %x, cmd: %x)", first_unsent, cmd);
- ftd2xx_send_and_recv(first_unsent, cmd);
+ ft2232_send_and_recv(first_unsent, cmd);
require_send = 0;
first_unsent = cmd;
}
- ftd2xx_expect_read += ftd2xx_predict_scan_in(scan_size, type);
- //DEBUG("new read size: %i", ftd2xx_expect_read);
+ ft2232_expect_read += ft2232_predict_scan_in(scan_size, type);
+ //DEBUG("new read size: %i", ft2232_expect_read);
if (cmd->cmd.scan->end_state != -1)
- ftd2xx_end_state(cmd->cmd.scan->end_state);
- ftd2xx_add_scan(cmd->cmd.scan->ir_scan, type, buffer, scan_size);
+ ft2232_end_state(cmd->cmd.scan->end_state);
+ ft2232_add_scan(cmd->cmd.scan->ir_scan, type, buffer, scan_size);
require_send = 1;
if (buffer)
free(buffer);
#endif
break;
case JTAG_SLEEP:
- ftd2xx_send_and_recv(first_unsent, cmd);
+ ft2232_send_and_recv(first_unsent, cmd);
first_unsent = cmd->next;
jtag_sleep(cmd->cmd.sleep->us);
#ifdef _DEBUG_JTAG_IO_
}
if (require_send > 0)
- ftd2xx_send_and_recv(first_unsent, cmd);
+ ft2232_send_and_recv(first_unsent, cmd);
return ERROR_OK;
}
-int ftd2xx_init(void)
+int ft2232_init(void)
{
u8 latency_timer;
- FT_STATUS status;
- DWORD num_devices;
u8 buf[1];
- DWORD bytes_written;
+ int retval;
+ u32 bytes_written;
- ftd2xx_layout_t *cur_layout = ftd2xx_layouts;
+#if BUILD_FT2232_FTD2XX == 1
+ FT_STATUS status;
+#endif
+
+ ft2232_layout_t *cur_layout = ft2232_layouts;
- if ((ftd2xx_layout == NULL) || (ftd2xx_layout[0] == 0))
+ if ((ft2232_layout == NULL) || (ft2232_layout[0] == 0))
{
- ftd2xx_layout = "usbjtag";
- WARNING("No ftd2xx layout specified, using default 'usbjtag'");
+ ft2232_layout = "usbjtag";
+ WARNING("No ft2232 layout specified, using default 'usbjtag'");
}
while (cur_layout->name)
{
- if (strcmp(cur_layout->name, ftd2xx_layout) == 0)
+ if (strcmp(cur_layout->name, ft2232_layout) == 0)
{
layout = cur_layout;
break;
if (!layout)
{
- ERROR("No matching layout found for %s", ftd2xx_layout);
+ ERROR("No matching layout found for %s", ft2232_layout);
return ERROR_JTAG_INIT_FAILED;
}
- if (ftd2xx_device_desc == NULL)
+#if BUILD_FT2232_FTD2XX == 1
+ DEBUG("'ft2232' interface using FTD2XX with '%s' layout", ft2232_layout);
+#elif BUILD_FT2232_LIBFTDI == 1
+ DEBUG("'ft2232' interface using libftdi with '%s' layout", ft2232_layout);
+#endif
+
+ if (ft2232_device_desc == NULL)
{
WARNING("no ftd2xx device description specified, using default 'Dual RS232'");
- ftd2xx_device_desc = "Dual RS232";
+ ft2232_device_desc = "Dual RS232";
}
-
+
+#if BUILD_FT2232_FTD2XX == 1
+
#if IS_WIN32 == 0
- /* Add JTAGkey Vid/Pid to the linux driver */
- if ((status = FT_SetVIDPID(ftd2xx_vid, ftd2xx_pid)) != FT_OK)
+ /* Add non-standard Vid/Pid to the linux driver */
+ if ((status = FT_SetVIDPID(ft2232_vid, ft2232_pid)) != FT_OK)
{
- WARNING("couldn't add %4.4x:%4.4x", ftd2xx_vid, ftd2xx_pid);
+ WARNING("couldn't add %4.4x:%4.4x", ft2232_vid, ft2232_pid);
}
#endif
- if ((status = FT_OpenEx(ftd2xx_device_desc, FT_OPEN_BY_DESCRIPTION, &ftdih)) != FT_OK)
+ if ((status = FT_OpenEx(ft2232_device_desc, FT_OPEN_BY_DESCRIPTION, &ftdih)) != FT_OK)
{
+ DWORD num_devices;
+
ERROR("unable to open ftdi device: %i", status);
status = FT_ListDevices(&num_devices, NULL, FT_LIST_NUMBER_ONLY);
if (status == FT_OK)
ERROR("unable to enable bit i/o mode: %i", status);
return ERROR_JTAG_INIT_FAILED;
}
+#elif BUILD_FT2232_LIBFTDI == 1
+ if (ftdi_init(&ftdic) < 0)
+ return ERROR_JTAG_INIT_FAILED;
+
+ /* context, vendor id, product id */
+ if (ftdi_usb_open(&ftdic, ft2232_vid, ft2232_pid) < 0)
+ {
+ ERROR("unable to open ftdi device: %s", ftdic.error_str);
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ if (ftdi_usb_reset(&ftdic) < 0)
+ {
+ ERROR("unable to reset ftdi device");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ if (ftdi_set_latency_timer(&ftdic, 2) < 0)
+ {
+ ERROR("unable to set latency timer");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ if (ftdi_get_latency_timer(&ftdic, &latency_timer) < 0)
+ {
+ ERROR("unable to get latency timer");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+ else
+ {
+ DEBUG("current latency timer: %i", latency_timer);
+ }
+
+ ftdic.bitbang_mode = 0; /* Reset controller */
+ ftdi_enable_bitbang(&ftdic, 0x0b); /* ctx, JTAG I/O mask */
- ftd2xx_buffer_size = 0;
- ftd2xx_buffer = malloc(FTD2XX_BUFFER_SIZE);
+ ftdic.bitbang_mode = 2; /* MPSSE mode */
+ ftdi_enable_bitbang(&ftdic, 0x0b); /* ctx, JTAG I/O mask */
+#endif
+
+ ft2232_buffer_size = 0;
+ ft2232_buffer = malloc(FT2232_BUFFER_SIZE);
if (layout->init() != ERROR_OK)
return ERROR_JTAG_INIT_FAILED;
- ftd2xx_speed(jtag_speed);
+ ft2232_speed(jtag_speed);
buf[0] = 0x85; /* Disconnect TDI/DO to TDO/DI for Loopback */
- if (((status = FT_Write(ftdih, buf, 1, &bytes_written)) != FT_OK) || (bytes_written != 1))
+ if (((retval = ft2232_write(buf, 1, &bytes_written)) != ERROR_OK) || (bytes_written != 1))
{
- ERROR("couldn't write to ftdi device: %i", status);
+ ERROR("couldn't write to FT2232 to disable loopback");
return ERROR_JTAG_INIT_FAILED;
}
-
+
+#if BUILD_FT2232_FTD2XX == 1
if ((status = FT_Purge(ftdih, FT_PURGE_RX | FT_PURGE_TX)) != FT_OK)
{
ERROR("error purging ftd2xx device: %i", status);
return ERROR_JTAG_INIT_FAILED;
}
+#elif BUILD_FT2232_LIBFTDI == 1
+ if (ftdi_usb_purge_buffers(&ftdic) < 0)
+ {
+ ERROR("ftdi_purge_buffers: %s", ftdic.error_str);
+ return ERROR_JTAG_INIT_FAILED;
+ }
+#endif
return ERROR_OK;
}
int usbjtag_init(void)
{
u8 buf[3];
- FT_STATUS status;
- DWORD bytes_written;
+ u32 bytes_written;
low_output = 0x08;
low_direction = 0x0b;
buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in */
DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
- if (((FT_Write(ftdih, buf, 3, &bytes_written)) != FT_OK) || (bytes_written != 3))
+ if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
{
- ERROR("couldn't write to ftdi device: %i", status);
+ ERROR("couldn't initialize FT2232 with 'USBJTAG' layout");
return ERROR_JTAG_INIT_FAILED;
}
int jtagkey_init(void)
{
u8 buf[3];
- FT_STATUS status;
- DWORD bytes_written;
+ u32 bytes_written;
low_output = 0x08;
low_direction = 0x1b;
buf[2] = low_direction; /* dir (output=1), TCK/TDI/TMS=out, TDO=in, nOE=out */
DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
- if (((FT_Write(ftdih, buf, 3, &bytes_written)) != FT_OK) || (bytes_written != 3))
+ if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
{
- ERROR("couldn't write to ftdi device: %i", status);
+ ERROR("couldn't initialize FT2232 with 'JTAGkey' layout");
return ERROR_JTAG_INIT_FAILED;
}
buf[2] = high_direction; /* all outputs (xRST and xRSTnOE) */
DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
- if (((FT_Write(ftdih, buf, 3, &bytes_written)) != FT_OK) || (bytes_written != 3))
+ if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
{
- ERROR("couldn't write to ftdi device: %i", status);
+ ERROR("couldn't initialize FT2232 with 'JTAGkey' layout");
return ERROR_JTAG_INIT_FAILED;
}
return ERROR_OK;
}
-int ftd2xx_quit(void)
+int ft2232_quit(void)
{
+#if BUILD_FT2232_FTD2XX == 1
FT_STATUS status;
status = FT_Close(ftdih);
+#elif BUILD_FT2232_LIBFTDI == 1
+ ftdi_disable_bitbang(&ftdic);
+
+ ftdi_usb_close(&ftdic);
+
+ ftdi_deinit(&ftdic);
+#endif
- free(ftd2xx_buffer);
+ free(ft2232_buffer);
return ERROR_OK;
}
-int ftd2xx_handle_device_desc_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+int ft2232_handle_device_desc_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
if (argc == 1)
{
- ftd2xx_device_desc = strdup(args[0]);
+ ft2232_device_desc = strdup(args[0]);
}
else
{
- ERROR("expected exactly one argument to ftd2xx_device_desc <description>");
+ ERROR("expected exactly one argument to ft2232_device_desc <description>");
}
return ERROR_OK;
}
-int ftd2xx_handle_layout_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+int ft2232_handle_layout_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
if (argc == 0)
return ERROR_OK;
- ftd2xx_layout = malloc(strlen(args[0]) + 1);
- strcpy(ftd2xx_layout, args[0]);
+ ft2232_layout = malloc(strlen(args[0]) + 1);
+ strcpy(ft2232_layout, args[0]);
return ERROR_OK;
}
-int ftd2xx_handle_vid_pid_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+int ft2232_handle_vid_pid_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
if (argc >= 2)
{
- ftd2xx_vid = strtol(args[0], NULL, 0);
- ftd2xx_pid = strtol(args[1], NULL, 0);
+ ft2232_vid = strtol(args[0], NULL, 0);
+ ft2232_pid = strtol(args[1], NULL, 0);
}
else
{
- WARNING("incomplete ftd2xx_vid_pid configuration directive");
+ WARNING("incomplete ft2232_vid_pid configuration directive");
}
return ERROR_OK;
Code Review / openocd.git / blobdiff