/* enable this to debug io latency
*/
-#if 1
+#if 0
#define _DEBUG_USB_IO_
#endif
/* enable this to debug communication
*/
-#if 1
+#if 0
#define _DEBUG_USB_COMMS_
#endif
char *ft2232_device_desc = NULL;
char *ft2232_serial = NULL;
char *ft2232_layout = NULL;
-u16 ft2232_vid = 0x0403;
-u16 ft2232_pid = 0x6010;
+
+#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
{
int jtagkey_init(void);
int olimex_jtag_init(void);
int m5960_init(void);
+int turtle_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 turtle_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[] =
{
{"evb_lm3s811", usbjtag_init, usbjtag_reset, NULL},
{"olimex-jtag", olimex_jtag_init, olimex_jtag_reset, olimex_jtag_blink},
{"m5960", m5960_init, m5960_reset, NULL},
+ {"turtelizer2", turtle_init, turtle_reset, turtle_jtag_blink},
{NULL, NULL, NULL},
};
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 ((status = FT_Read(ftdih, buf, size, &dw_bytes_read)) != FT_OK)
{
*bytes_read = 0;
- ERROR("FT_Read returned: %i", status);
+ ERROR("FT_Read returned: %lu", status);
return ERROR_JTAG_DEVICE_ERROR;
}
*bytes_read += dw_bytes_read;
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)
DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst, srst, high_output, high_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 high 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);
+}
+
int ft2232_execute_queue()
{
jtag_command_t *cmd = jtag_command_queue; /* currently processed command */
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;
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;
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;
}
DEBUG("oversized ft2232 scan (predicted_size > FT2232_BUFFER_SIZE)");
/* unsent commands before this */
if (first_unsent != cmd)
- ft2232_send_and_recv(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)
}
else if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
{
- DEBUG("ft2232 buffer size reached, sending queued commands (first_unsent: %x, cmd: %x)", first_unsent, cmd);
- ft2232_send_and_recv(first_unsent, cmd);
+ 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;
DWORD openex_flags = 0;
char *openex_string = NULL;
-#endif
+ 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)
- {
- if (strcmp(cur_layout->name, ft2232_layout) == 0)
- {
- layout = cur_layout;
- break;
- }
- cur_layout++;
- }
+ DEBUG("'ft2232' interface using FTD2XX with '%s' layout (%4.4x:%4.4x)",
+ ft2232_layout, vid, pid);
- if (!layout)
- {
- ERROR("No matching layout found for %s", ft2232_layout);
- return ERROR_JTAG_INIT_FAILED;
- }
-
-#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 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)
+ if ((status = FT_SetVIDPID(vid, pid)) != FT_OK)
{
- WARNING("couldn't add %4.4x:%4.4x", ft2232_vid, ft2232_pid);
+ WARNING("couldn't add %4.4x:%4.4x",
+ vid, pid);
}
#endif
{
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)
{
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]);
}
if ((status = FT_SetLatencyTimer(ftdih, 2)) != 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
if ((status = FT_SetTimeouts(ftdih, 5000, 5000)) != FT_OK)
{
- ERROR("unable to set timeouts: %i", status);
+ 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;
}
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;
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;
+}
+
void olimex_jtag_blink(void)
{
/* Olimex ARM-USB-OCD has a LED connected to ACBUS3
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
int ft2232_handle_vid_pid_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
- if (argc >= 2)
- {
- ft2232_vid = strtol(args[0], NULL, 0);
- ft2232_pid = strtol(args[1], NULL, 0);
+ 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;
}
- else
+ 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;
}
Code Review / openocd.git / blobdiff