#endif
/* project specific includes */
-#include "jtag.h"
+#define INCLUDE_JTAG_INTERFACE_H
+#include "interface.h"
#include "time_support.h"
#if IS_CYGWIN == 1
/**
- * Function ft2232_stableclocks
- * will send out \a num_cycles on the TCK line while the TAP(s)
- * are in a stable state. Calling code must ensure that current state is
- * stable, that verification is not done in here.
- * @param num_cycles is the count of clocks cycles to send.
- * @return int - ERROR_OK or ERROR_JTAG_QUEUE_FAILED
+ * Send out \a num_cycles on the TCK line while the TAP(s) are in a
+ * stable state. Calling code must ensure that current state is stable,
+ * that verification is not done in here.
+ *
+ * @param num_cycles The number of clocks cycles to send.
+ * @param cmd The command to send.
+ *
+ * @returns ERROR_OK on success, or ERROR_JTAG_QUEUE_FAILED on failure.
*/
static int ft2232_stableclocks(int num_cycles, jtag_command_t* cmd);
+/* max TCK for the high speed devices 30000 kHz */
+#define FTDI_2232H_4232H_MAX_TCK 30000
static char * ft2232_device_desc_A = NULL;
static char* ft2232_device_desc = NULL;
#if BUILD_FT2232_FTD2XX == 1
static FT_HANDLE ftdih = NULL;
+static FT_DEVICE ftdi_device = 0;
#elif BUILD_FT2232_LIBFTDI == 1
static struct ftdi_context ftdic;
#endif
/**
- * Function clock_tms
- * clocks out \a bit_count bits on the TMS line, starting with the least
+ * Clocks out \a bit_count bits on the TMS line, starting with the least
* significant bit of tms_bits and progressing to more significant bits.
* Rigorous state transition logging is done here via tap_set_state().
*
- * @param pmsse_cmd is one of the MPSSE TMS oriented commands such as 0x4b or 0x6b. See
- * the MPSSE spec referenced above for their functionality. The MPSSE command
- * "Clock Data to TMS/CS Pin (no Read)" is often used for this, 0x4b.
+ * @param mpsse_cmd One of the MPSSE TMS oriented commands such as
+ * 0x4b or 0x6b. See the MPSSE spec referenced above for their
+ * functionality. The MPSSE command "Clock Data to TMS/CS Pin (no Read)"
+ * is often used for this, 0x4b.
+ *
+ * @param tms_bits Holds the sequence of bits to send.
+ * @param tms_count Tells how many bits in the sequence.
+ * @param tdi_bit A single bit to pass on to TDI before the first TCK
+ * cycle and held static for the duration of TMS clocking.
*
- * @param tms_bits holds the sequence of bits to send.
- * @param tms_count tells how many bits in the sequence.
- * @param tdi_bit is a single bit which is passed on to TDI before the first TCK cycle
- * and is held static for the duration of TMS clocking. See the MPSSE spec referenced above.
+ * See the MPSSE spec referenced above.
*/
static void clock_tms( u8 mpsse_cmd, int tms_bits, int tms_count, bool tdi_bit )
{
return ERROR_OK;
}
+#ifdef BUILD_FTD2XX_HIGHSPEED
+static bool ft2232_device_is_highspeed(void)
+{
+ return (ftdi_device == FT_DEVICE_2232H) || (ftdi_device == FT_DEVICE_4232H);
+}
+
+static int ft2232_adaptive_clocking(int speed)
+{
+ bool use_adaptive_clocking = FALSE;
+ if (0 == speed)
+ {
+ if (ft2232_device_is_highspeed())
+ use_adaptive_clocking = TRUE;
+ else
+ {
+ LOG_ERROR("ft2232 device %lu does not support RTCK", ftdi_device);
+ return ERROR_OK;
+ }
+ }
+
+ u8 buf = use_adaptive_clocking ? 0x96 : 0x97;
+ LOG_DEBUG("%2.2x", buf);
+
+ u32 bytes_written;
+ int retval = ft2232_write(&buf, 1, &bytes_written);
+ if (ERROR_OK != retval || bytes_written != 1)
+ {
+ LOG_ERROR("unable to set adative clocking: %d", retval);
+ return retval;
+ }
+
+ return ERROR_OK;
+}
+#else
+static int ft2232_adaptive_clocking(int speed)
+{
+ // not implemented on low-speed devices
+ return speed ? ERROR_OK : -1234;
+}
+#endif
static int ft2232_speed(int speed)
{
int retval;
u32 bytes_written;
+ ft2232_adaptive_clocking(speed);
+
buf[0] = 0x86; /* command "set divisor" */
buf[1] = speed & 0xff; /* valueL (0=6MHz, 1=3MHz, 2=2.0MHz, ...*/
buf[2] = (speed >> 8) & 0xff; /* valueH */
{
if (khz==0)
{
- LOG_DEBUG("RTCK not supported");
+#ifdef BUILD_FTD2XX_HIGHSPEED
+ *jtag_speed = 0;
+ return ERROR_OK;
+#else
+ LOG_DEBUG("RCLK not supported");
+ LOG_DEBUG("If you have a high-speed FTDI device, then "
+ "OpenOCD may be built with --enable-ftd2xx-highspeed.");
return ERROR_FAIL;
+#endif
}
/* Take a look in the FT2232 manual,
if (tap_get_state() != TAP_IDLE)
predicted_size += 3;
predicted_size += 3 * CEIL(cmd->cmd.runtest->num_cycles, 7);
- if ( (cmd->cmd.runtest->end_state != TAP_INVALID) && (cmd->cmd.runtest->end_state != TAP_IDLE) )
+ if ( cmd->cmd.runtest->end_state != TAP_IDLE)
predicted_size += 3;
- if ( (cmd->cmd.runtest->end_state == TAP_INVALID) && (tap_get_end_state() != TAP_IDLE) )
+ if ( tap_get_end_state() != TAP_IDLE)
predicted_size += 3;
if (ft2232_buffer_size + predicted_size + 1 > FT2232_BUFFER_SIZE)
{
/* LOG_DEBUG("added TMS scan (no read)"); */
}
- if (cmd->cmd.runtest->end_state != TAP_INVALID)
- ft2232_end_state(cmd->cmd.runtest->end_state);
+ ft2232_end_state(cmd->cmd.runtest->end_state);
if ( tap_get_state() != tap_get_end_state() )
{
require_send = 0;
first_unsent = cmd;
}
- if (cmd->cmd.statemove->end_state != TAP_INVALID)
- ft2232_end_state(cmd->cmd.statemove->end_state);
+ ft2232_end_state(cmd->cmd.statemove->end_state);
/* move to end state */
if ( tap_get_state() != tap_get_end_state() )
retval = ERROR_JTAG_QUEUE_FAILED;
/* current command */
- if (cmd->cmd.scan->end_state != TAP_INVALID)
- ft2232_end_state(cmd->cmd.scan->end_state);
+ 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;
}
ft2232_expect_read += ft2232_predict_scan_in(scan_size, type);
/* LOG_DEBUG("new read size: %i", ft2232_expect_read); */
- if (cmd->cmd.scan->end_state != TAP_INVALID)
- ft2232_end_state(cmd->cmd.scan->end_state);
+ 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)
static int ft2232_init_ftd2xx(u16 vid, u16 pid, int more, int* try_more)
{
FT_STATUS status;
+ DWORD deviceID;
+ char SerialNumber[16];
+ char Description[64];
DWORD openex_flags = 0;
char* openex_string = NULL;
u8 latency_timer;
return ERROR_JTAG_INIT_FAILED;
}
+ if ( ( status = FT_GetDeviceInfo(ftdih, &ftdi_device, &deviceID, SerialNumber, Description, NULL) ) != FT_OK )
+ {
+ LOG_ERROR("unable to get FT_GetDeviceInfo: %lu", status);
+ return ERROR_JTAG_INIT_FAILED;
+ }
+ else
+ {
+ LOG_INFO("device: %lu", ftdi_device);
+ LOG_INFO("deviceID: %lu", deviceID);
+ LOG_INFO("SerialNumber: %s", SerialNumber);
+ LOG_INFO("Description: %s", Description);
+
+#ifdef BUILD_FTD2XX_HIGHSPEED
+ if (ft2232_device_is_highspeed())
+ {
+ ft2232_max_tck = FTDI_2232H_4232H_MAX_TCK;
+ LOG_INFO("max TCK change to: %u kHz", ft2232_max_tck);
+ }
+#endif
+ }
+
return ERROR_OK;
}
projects / fw / openocd / blobdiff