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 */
int usbjtag_init(void);
int jtagkey_init(void);
int olimex_jtag_init(void);
-int m5960_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 m5960_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);
{"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},
+ {"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_pathmove = 1,
-
.speed = ft2232_speed,
.register_commands = ft2232_register_commands,
.init = ft2232_init,
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;
}
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;
}
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);
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)
+void flyswatter_reset(int trst, int srst)
{
if (trst == 1)
{
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 */
}
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: %lu", status);
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;
return ERROR_OK;
}
-int m5960_init(void)
+int flyswatter_init(void)
{
u8 buf[3];
u32 bytes_written;
if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
{
- ERROR("couldn't initialize FT2232 with 'm5960' layout");
+ ERROR("couldn't initialize FT2232 with 'flyswatter' layout");
return ERROR_JTAG_INIT_FAILED;
}
if (((ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
{
- ERROR("couldn't initialize FT2232 with 'm5960' layout");
+ ERROR("couldn't initialize FT2232 with 'flyswatter' 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
#endif
free(ft2232_buffer);
+ ft2232_buffer = NULL;
return ERROR_OK;
}
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;
+}
+
+
projects / fw / openocd / blobdiff