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);
char *ft2232_device_desc = NULL;
+char *ft2232_serial = NULL;
char *ft2232_layout = NULL;
u16 ft2232_vid = 0x0403;
u16 ft2232_pid = 0x6010;
int usbjtag_init(void);
int jtagkey_init(void);
int olimex_jtag_init(void);
+int m5960_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 m5960_reset(int trst, int srst);
/* blink procedures for layouts that support a blinking led */
void olimex_jtag_blink(void);
{"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},
+ {"m5960", m5960_init, m5960_reset, NULL},
{NULL, NULL, NULL},
};
#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, size, &dw_bytes_read)) != FT_OK)
+ {
+ *bytes_read = 0;
+ ERROR("FT_Read returned: %i", 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)
{
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,
DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_direction);
}
+void m5960_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, 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 */
#if BUILD_FT2232_FTD2XX == 1
FT_STATUS status;
+ DWORD openex_flags = 0;
+ char *openex_string = NULL;
#endif
ft2232_layout_t *cur_layout = ft2232_layouts;
#endif
#if BUILD_FT2232_FTD2XX == 1
- /* Open by device description */
- if (ft2232_device_desc == NULL)
- {
- WARNING("no ftd2xx device description specified, using default 'Dual RS232'");
- ft2232_device_desc = "Dual RS232";
- }
-
#if IS_WIN32 == 0
/* Add non-standard Vid/Pid to the linux driver */
if ((status = FT_SetVIDPID(ft2232_vid, ft2232_pid)) != FT_OK)
}
#endif
- if ((status = FT_OpenEx(ft2232_device_desc, FT_OPEN_BY_DESCRIPTION, &ftdih)) != FT_OK)
+ 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;
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)
{
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);
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;
return ERROR_OK;
}
+int m5960_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 'm5960' 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 'm5960' layout");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
+ return ERROR_OK;
+}
+
void olimex_jtag_blink(void)
{
/* Olimex ARM-USB-OCD has a LED connected to ACBUS3
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)