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-rw-r--r--src/jtag/ft2232.c307
1 files changed, 148 insertions, 159 deletions
diff --git a/src/jtag/ft2232.c b/src/jtag/ft2232.c
index e17d51d6..0806c90a 100644
--- a/src/jtag/ft2232.c
+++ b/src/jtag/ft2232.c
@@ -24,7 +24,6 @@
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
-
/* This code uses information contained in the MPSSE specification which was
* found here:
* http://www.ftdichip.com/Documents/AppNotes/AN2232C-01_MPSSE_Cmnd.pdf
@@ -34,7 +33,6 @@
* http://www.ftdichip.com/Documents/DataSheets/DS_FT2232D.pdf
*/
-
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
@@ -65,6 +63,10 @@
/* max TCK for the high speed devices 30000 kHz */
#define FTDI_2232H_4232H_MAX_TCK 30000
+/* max TCK for the full speed devices 6000 kHz */
+#define FTDI_2232C_MAX_TCK 6000
+/* this speed value tells that RTCK is requested */
+#define RTCK_SPEED -1
static int ft2232_execute_queue(void);
@@ -81,7 +83,6 @@ static int ft2232_handle_layout_command(struct command_context_s* cmd_ctx, char*
static int ft2232_handle_vid_pid_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc);
static int ft2232_handle_latency_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc);
-
/**
* 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,
@@ -94,16 +95,12 @@ static int ft2232_handle_latency_command(struct command_context_s* cmd_ctx, char
*/
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;
static char* ft2232_serial = NULL;
static char* ft2232_layout = NULL;
static uint8_t ft2232_latency = 2;
-static unsigned ft2232_max_tck = 6000;
-
+static unsigned ft2232_max_tck = FTDI_2232C_MAX_TCK;
#define MAX_USB_IDS 8
/* vid = pid = 0 marks the end of the list */
@@ -182,13 +179,12 @@ static FT_HANDLE ftdih = NULL;
static FT_DEVICE ftdi_device = 0;
#elif BUILD_FT2232_LIBFTDI == 1
static struct ftdi_context ftdic;
+static enum ftdi_chip_type ftdi_device;
#endif
-
static jtag_command_t* first_unsent; /* next command that has to be sent */
static int require_send;
-
/* http://urjtag.wiki.sourceforge.net/Cable + FT2232 says:
"There is a significant difference between libftdi and libftd2xx. The latter
@@ -232,7 +228,6 @@ static inline uint8_t buffer_read(void)
return ft2232_buffer[ft2232_read_pointer++];
}
-
/**
* 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.
@@ -258,7 +253,9 @@ static void clock_tms(uint8_t mpsse_cmd, int tms_bits, int tms_count, bool tdi_b
assert(tms_count > 0);
-// LOG_DEBUG("mpsse cmd=%02x, tms_bits = 0x%08x, bit_count=%d", mpsse_cmd, tms_bits, tms_count);
+#if 0
+ LOG_DEBUG("mpsse cmd=%02x, tms_bits = 0x%08x, bit_count=%d", mpsse_cmd, tms_bits, tms_count);
+#endif
for (tms_byte = tms_ndx = i = 0; i < tms_count; ++i, tms_bits>>=1)
{
@@ -288,7 +285,6 @@ static void clock_tms(uint8_t mpsse_cmd, int tms_bits, int tms_count, bool tdi_b
}
}
-
/**
* Function get_tms_buffer_requirements
* returns what clock_tms() will consume if called with
@@ -299,7 +295,6 @@ static inline int get_tms_buffer_requirements(int bit_count)
return ((bit_count + 6)/7) * 3;
}
-
/**
* Function move_to_state
* moves the TAP controller from the current state to a
@@ -326,7 +321,6 @@ static void move_to_state(tap_state_t goal_state)
clock_tms(0x4b, tms_bits, tms_count, 0);
}
-
jtag_interface_t ft2232_interface =
{
.name = "ft2232",
@@ -343,7 +337,7 @@ static int ft2232_write(uint8_t* buf, int size, uint32_t* bytes_written)
{
#if BUILD_FT2232_FTD2XX == 1
FT_STATUS status;
- DWORD dw_bytes_written;
+ DWORD dw_bytes_written;
if ((status = FT_Write(ftdih, buf, size, &dw_bytes_written)) != FT_OK)
{
*bytes_written = dw_bytes_written;
@@ -371,13 +365,12 @@ static int ft2232_write(uint8_t* buf, int size, uint32_t* bytes_written)
#endif
}
-
static int ft2232_read(uint8_t* buf, uint32_t size, uint32_t* bytes_read)
{
#if BUILD_FT2232_FTD2XX == 1
- DWORD dw_bytes_read;
+ DWORD dw_bytes_read;
FT_STATUS status;
- int timeout = 5;
+ int timeout = 5;
*bytes_read = 0;
while ((*bytes_read < size) && timeout--)
@@ -421,58 +414,87 @@ static int ft2232_read(uint8_t* buf, uint32_t size, uint32_t* bytes_read)
return ERROR_OK;
}
-#ifdef BUILD_FTD2XX_HIGHSPEED
static bool ft2232_device_is_highspeed(void)
{
+#ifdef BUILD_FT2232_HIGHSPEED
+ #if BUILD_FT2232_FTD2XX == 1
return (ftdi_device == FT_DEVICE_2232H) || (ftdi_device == FT_DEVICE_4232H);
+ #elif BUILD_FT2232_LIBFTDI == 1
+ return (ftdi_device == TYPE_2232H || ftdi_device == TYPE_4232H);
+ #endif
+#else
+ return false;
+#endif
}
-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;
- }
- }
+/*
+ * Commands that only apply to the FT2232H and FT4232H devices.
+ * See chapter 6 in http://www.ftdichip.com/Documents/AppNotes/
+ * AN_108_Command_Processor_for_MPSSE_and_MCU_Host_Bus_Emulation_Modes.pdf
+ */
- uint8_t buf = use_adaptive_clocking ? 0x96 : 0x97;
+static int ft2232h_ft4232h_adaptive_clocking(bool enable)
+{
+ uint8_t buf = enable ? 0x96 : 0x97;
LOG_DEBUG("%2.2x", buf);
uint32_t bytes_written;
int retval = ft2232_write(&buf, 1, &bytes_written);
- if (ERROR_OK != retval || bytes_written != 1)
+ if ((ERROR_OK != retval) || (bytes_written != 1))
{
- LOG_ERROR("unable to set adative clocking: %d", retval);
+ LOG_ERROR("couldn't write command to %s adaptive clocking"
+ , enable ? "enable" : "disable");
return retval;
}
return ERROR_OK;
}
-#else
-static int ft2232_adaptive_clocking(int speed)
+
+/**
+ * Enable/disable the clk divide by 5 of the 60MHz master clock.
+ * This result in a JTAG clock speed range of 91.553Hz-6MHz
+ * respective 457.763Hz-30MHz.
+ */
+static int ft2232h_ft4232h_clk_divide_by_5(bool enable)
{
- // not implemented on low-speed devices
- return speed ? ERROR_OK : -1234;
+ uint32_t bytes_written;
+ uint8_t buf = enable ? 0x8b : 0x8a;
+ int retval = ft2232_write(&buf, 1, &bytes_written);
+ if ((ERROR_OK != retval) || (bytes_written != 1))
+ {
+ LOG_ERROR("couldn't write command to %s clk divide by 5"
+ , enable ? "enable" : "disable");
+ return ERROR_JTAG_INIT_FAILED;
+ }
+ ft2232_max_tck = enable ? FTDI_2232C_MAX_TCK : FTDI_2232H_4232H_MAX_TCK;
+ LOG_INFO("max TCK change to: %u kHz", ft2232_max_tck);
+
+ return ERROR_OK;
}
-#endif
static int ft2232_speed(int speed)
{
- uint8_t buf[3];
+ uint8_t buf[3];
int retval;
uint32_t bytes_written;
- ft2232_adaptive_clocking(speed);
+ retval = ERROR_OK;
+ bool enable_adaptive_clocking = (RTCK_SPEED == speed);
+ if (ft2232_device_is_highspeed())
+ retval = ft2232h_ft4232h_adaptive_clocking(enable_adaptive_clocking);
+ else if (enable_adaptive_clocking)
+ {
+ LOG_ERROR("ft2232 device %lu does not support RTCK"
+ , (long unsigned int)ftdi_device);
+ return ERROR_FAIL;
+ }
+
+ if ((enable_adaptive_clocking) || (ERROR_OK != retval))
+ return retval;
- buf[0] = 0x86; /* command "set divisor" */
- buf[1] = speed & 0xff; /* valueL (0 = 6MHz, 1 = 3MHz, 2 = 2.0MHz, ...*/
- buf[2] = (speed >> 8) & 0xff; /* valueH */
+ buf[0] = 0x86; /* command "set divisor" */
+ buf[1] = speed & 0xff; /* valueL (0 = 6MHz, 1 = 3MHz, 2 = 2.0MHz, ...*/
+ buf[2] = (speed >> 8) & 0xff; /* valueH */
LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
if (((retval = ft2232_write(buf, 3, &bytes_written)) != ERROR_OK) || (bytes_written != 3))
@@ -484,32 +506,35 @@ static int ft2232_speed(int speed)
return ERROR_OK;
}
-
static int ft2232_speed_div(int speed, int* khz)
{
/* Take a look in the FT2232 manual,
* AN2232C-01 Command Processor for
* MPSSE and MCU Host Bus. Chapter 3.8 */
- *khz = ft2232_max_tck / (1 + speed);
+ *khz = (RTCK_SPEED == speed) ? 0 : ft2232_max_tck / (1 + speed);
return ERROR_OK;
}
-
static int ft2232_khz(int khz, int* jtag_speed)
{
if (khz == 0)
{
-#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;
+ if (ft2232_device_is_highspeed())
+ {
+ *jtag_speed = RTCK_SPEED;
+ return ERROR_OK;
+ }
+ else
+ {
+ LOG_DEBUG("RCLK not supported");
+#ifndef BUILD_FT2232_HIGHSPEED
+ LOG_DEBUG("If you have a high-speed FTDI device, then "
+ "OpenOCD may be built with --enable-ft2232-highspeed.");
#endif
+ return ERROR_FAIL;
+ }
}
/* Take a look in the FT2232 manual,
@@ -544,7 +569,6 @@ static int ft2232_khz(int khz, int* jtag_speed)
return ERROR_OK;
}
-
static int ft2232_register_commands(struct command_context_s* cmd_ctx)
{
register_command(cmd_ctx, NULL, "ft2232_device_desc", ft2232_handle_device_desc_command,
@@ -560,7 +584,6 @@ static int ft2232_register_commands(struct command_context_s* cmd_ctx)
return ERROR_OK;
}
-
static void ft2232_end_state(tap_state_t state)
{
if (tap_is_state_stable(state))
@@ -595,11 +618,10 @@ static void ft2232_read_scan(enum scan_type type, uint8_t* buffer, int scan_size
buffer[cur_byte] = (buffer[cur_byte] | (((buffer_read()) << 1) & 0x80)) >> (8 - bits_left);
}
-
static void ft2232_debug_dump_buffer(void)
{
- int i;
- char line[256];
+ int i;
+ char line[256];
char* line_p = line;
for (i = 0; i < ft2232_buffer_size; i++)
@@ -616,16 +638,15 @@ static void ft2232_debug_dump_buffer(void)
LOG_DEBUG("%s", line);
}
-
static int ft2232_send_and_recv(jtag_command_t* first, jtag_command_t* last)
{
jtag_command_t* cmd;
- uint8_t* buffer;
- int scan_size;
+ uint8_t* buffer;
+ int scan_size;
enum scan_type type;
- int retval;
- uint32_t bytes_written = 0;
- uint32_t bytes_read = 0;
+ int retval;
+ uint32_t bytes_written = 0;
+ uint32_t bytes_read = 0;
#ifdef _DEBUG_USB_IO_
struct timeval start, inter, inter2, end;
@@ -735,7 +756,6 @@ static int ft2232_send_and_recv(jtag_command_t* first, jtag_command_t* last)
return retval;
}
-
/**
* Function ft2232_add_pathmove
* moves the TAP controller from the current state to a new state through the
@@ -777,7 +797,6 @@ static void ft2232_add_pathmove(tap_state_t* path, int num_states)
tap_set_end_state(tap_get_state());
}
-
static void ft2232_add_scan(bool ir_scan, enum scan_type type, uint8_t* buffer, int scan_size)
{
int num_bytes = (scan_size + 7) / 8;
@@ -936,7 +955,6 @@ static void ft2232_add_scan(bool ir_scan, enum scan_type type, uint8_t* buffer,
}
}
-
static int ft2232_large_scan(scan_command_t* cmd, enum scan_type type, uint8_t* buffer, int scan_size)
{
int num_bytes = (scan_size + 7) / 8;
@@ -1151,7 +1169,6 @@ static int ft2232_large_scan(scan_command_t* cmd, enum scan_type type, uint8_t*
return ERROR_OK;
}
-
static int ft2232_predict_scan_out(int scan_size, enum scan_type type)
{
int predicted_size = 3;
@@ -1160,7 +1177,7 @@ static int ft2232_predict_scan_out(int scan_size, enum scan_type type)
if (tap_get_state() != TAP_DRSHIFT)
predicted_size += get_tms_buffer_requirements(tap_get_tms_path_len(tap_get_state(), TAP_DRSHIFT));
- if (type == SCAN_IN) /* only from device to host */
+ if (type == SCAN_IN) /* only from device to host */
{
/* complete bytes */
predicted_size += CEIL(num_bytes, 65536) * 3;
@@ -1168,7 +1185,7 @@ static int ft2232_predict_scan_out(int scan_size, enum scan_type type)
/* remaining bits - 1 (up to 7) */
predicted_size += ((scan_size - 1) % 8) ? 2 : 0;
}
- else /* host to device, or bidirectional */
+ else /* host to device, or bidirectional */
{
/* complete bytes */
predicted_size += num_bytes + CEIL(num_bytes, 65536) * 3;
@@ -1180,7 +1197,6 @@ static int ft2232_predict_scan_out(int scan_size, enum scan_type type)
return predicted_size;
}
-
static int ft2232_predict_scan_in(int scan_size, enum scan_type type)
{
int predicted_size = 0;
@@ -1202,38 +1218,37 @@ static int ft2232_predict_scan_in(int scan_size, enum scan_type type)
return predicted_size;
}
-
static void usbjtag_reset(int trst, int srst)
{
enum reset_types jtag_reset_config = jtag_get_reset_config();
if (trst == 1)
{
if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
- low_direction |= nTRSTnOE; /* switch to output pin (output is low) */
+ low_direction |= nTRSTnOE; /* switch to output pin (output is low) */
else
- low_output &= ~nTRST; /* switch output low */
+ low_output &= ~nTRST; /* switch output low */
}
else if (trst == 0)
{
if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
- low_direction &= ~nTRSTnOE; /* switch to input pin (high-Z + internal and external pullup) */
+ low_direction &= ~nTRSTnOE; /* switch to input pin (high-Z + internal and external pullup) */
else
- low_output |= nTRST; /* switch output high */
+ low_output |= nTRST; /* switch output high */
}
if (srst == 1)
{
if (jtag_reset_config & RESET_SRST_PUSH_PULL)
- low_output &= ~nSRST; /* switch output low */
+ low_output &= ~nSRST; /* switch output low */
else
- low_direction |= nSRSTnOE; /* switch to output pin (output is low) */
+ low_direction |= nSRSTnOE; /* switch to output pin (output is low) */
}
else if (srst == 0)
{
if (jtag_reset_config & RESET_SRST_PUSH_PULL)
- low_output |= nSRST; /* switch output high */
+ low_output |= nSRST; /* switch output high */
else
- low_direction &= ~nSRSTnOE; /* switch to input pin (high-Z) */
+ low_direction &= ~nSRSTnOE; /* switch to input pin (high-Z) */
}
/* command "set data bits low byte" */
@@ -1242,7 +1257,6 @@ static void usbjtag_reset(int trst, int srst)
buffer_write(low_direction);
}
-
static void jtagkey_reset(int trst, int srst)
{
enum reset_types jtag_reset_config = jtag_get_reset_config();
@@ -1284,7 +1298,6 @@ static void jtagkey_reset(int trst, int srst)
high_direction);
}
-
static void olimex_jtag_reset(int trst, int srst)
{
enum reset_types jtag_reset_config = jtag_get_reset_config();
@@ -1320,7 +1333,6 @@ static void olimex_jtag_reset(int trst, int srst)
high_direction);
}
-
static void axm0432_jtag_reset(int trst, int srst)
{
if (trst == 1)
@@ -1350,7 +1362,6 @@ static void axm0432_jtag_reset(int trst, int srst)
high_direction);
}
-
static void flyswatter_reset(int trst, int srst)
{
if (trst == 1)
@@ -1378,7 +1389,6 @@ static void flyswatter_reset(int trst, int srst)
LOG_DEBUG("trst: %i, srst: %i, low_output: 0x%2.2x, low_direction: 0x%2.2x", trst, srst, low_output, low_direction);
}
-
static void turtle_reset(int trst, int srst)
{
trst = trst;
@@ -1399,7 +1409,6 @@ static void turtle_reset(int trst, int srst)
LOG_DEBUG("srst: %i, low_output: 0x%2.2x, low_direction: 0x%2.2x", srst, low_output, low_direction);
}
-
static void comstick_reset(int trst, int srst)
{
if (trst == 1)
@@ -1428,7 +1437,6 @@ static void comstick_reset(int trst, int srst)
high_direction);
}
-
static void stm32stick_reset(int trst, int srst)
{
if (trst == 1)
@@ -1462,8 +1470,6 @@ static void stm32stick_reset(int trst, int srst)
high_direction);
}
-
-
static void sheevaplug_reset(int trst, int srst)
{
if (trst == 1)
@@ -1485,8 +1491,8 @@ static void sheevaplug_reset(int trst, int srst)
static int ft2232_execute_runtest(jtag_command_t *cmd)
{
- int retval;
- int i;
+ int retval;
+ int i;
int predicted_size = 0;
retval = ERROR_OK;
@@ -1549,7 +1555,6 @@ static int ft2232_execute_runtest(jtag_command_t *cmd)
return retval;
}
-
static int ft2232_execute_statemove(jtag_command_t *cmd)
{
int predicted_size = 0;
@@ -1588,8 +1593,7 @@ static int ft2232_execute_pathmove(jtag_command_t *cmd)
DEBUG_JTAG_IO("pathmove: %i states, current: %s end: %s", num_states,
tap_state_name(tap_get_state()),
- tap_state_name(path[num_states-1])
-);
+ tap_state_name(path[num_states-1]));
/* only send the maximum buffer size that FT2232C can handle */
predicted_size = 3 * CEIL(num_states, 7);
@@ -1608,13 +1612,12 @@ static int ft2232_execute_pathmove(jtag_command_t *cmd)
return retval;
}
-
static int ft2232_execute_scan(jtag_command_t *cmd)
{
- uint8_t* buffer;
- int scan_size; /* size of IR or DR scan */
- int predicted_size = 0;
- int retval = ERROR_OK;
+ uint8_t* buffer;
+ int scan_size; /* size of IR or DR scan */
+ int predicted_size = 0;
+ int retval = ERROR_OK;
enum scan_type type = jtag_scan_type(cmd->cmd.scan);
@@ -1667,8 +1670,8 @@ static int ft2232_execute_scan(jtag_command_t *cmd)
static int ft2232_execute_reset(jtag_command_t *cmd)
{
- int retval;
- int predicted_size = 0;
+ int retval;
+ int predicted_size = 0;
retval = ERROR_OK;
DEBUG_JTAG_IO("reset trst: %i srst %i",
@@ -1695,7 +1698,7 @@ static int ft2232_execute_reset(jtag_command_t *cmd)
static int ft2232_execute_sleep(jtag_command_t *cmd)
{
- int retval;
+ int retval;
retval = ERROR_OK;
DEBUG_JTAG_IO("sleep %i", cmd->cmd.sleep->us);
@@ -1713,7 +1716,7 @@ static int ft2232_execute_sleep(jtag_command_t *cmd)
static int ft2232_execute_stableclocks(jtag_command_t *cmd)
{
- int retval;
+ int retval;
retval = ERROR_OK;
/* this is only allowed while in a stable state. A check for a stable
@@ -1730,7 +1733,7 @@ static int ft2232_execute_stableclocks(jtag_command_t *cmd)
static int ft2232_execute_command(jtag_command_t *cmd)
{
- int retval;
+ int retval;
retval = ERROR_OK;
switch (cmd->type)
@@ -1751,10 +1754,10 @@ static int ft2232_execute_command(jtag_command_t *cmd)
static int ft2232_execute_queue()
{
- jtag_command_t* cmd = jtag_command_queue; /* currently processed command */
- int retval;
+ jtag_command_t* cmd = jtag_command_queue; /* currently processed command */
+ int retval;
- first_unsent = cmd; /* next command that has to be sent */
+ first_unsent = cmd; /* next command that has to be sent */
require_send = 0;
/* return ERROR_OK, unless ft2232_send_and_recv reports a failed check
@@ -1790,7 +1793,6 @@ static int ft2232_execute_queue()
return retval;
}
-
#if BUILD_FT2232_FTD2XX == 1
static int ft2232_init_ftd2xx(uint16_t vid, uint16_t pid, int more, int* try_more)
{
@@ -1838,18 +1840,18 @@ static int ft2232_init_ftd2xx(uint16_t vid, uint16_t pid, int more, int* try_mor
status = FT_OpenEx(openex_string, openex_flags, &ftdih);
if (status != FT_OK) {
- // under Win32, the FTD2XX driver appends an "A" to the end
- // of the description, if we tried by the desc, then
- // try by the alternate "A" description.
+ /* under Win32, the FTD2XX driver appends an "A" to the end
+ * of the description, if we tried by the desc, then
+ * try by the alternate "A" description. */
if (openex_string == ft2232_device_desc) {
- // Try the alternate method.
+ /* Try the alternate method. */
openex_string = ft2232_device_desc_A;
status = FT_OpenEx(openex_string, openex_flags, &ftdih);
if (status == FT_OK) {
- // yea, the "alternate" method worked!
+ /* yea, the "alternate" method worked! */
} else {
- // drat, give the user a meaningfull message.
- // telling the use we tried *BOTH* methods.
+ /* drat, give the user a meaningfull message.
+ * telling the use we tried *BOTH* methods. */
LOG_WARNING("Unable to open FTDI Device tried: '%s' and '%s'\n",
ft2232_device_desc,
ft2232_device_desc_A);
@@ -1935,24 +1937,20 @@ static int ft2232_init_ftd2xx(uint16_t vid, uint16_t pid, int more, int* try_mor
}
else
{
- LOG_INFO("device: %lu", ftdi_device);
+ static const char* type_str[] =
+ {"BM", "AM", "100AX", "UNKNOWN", "2232C", "232R", "2232H", "4232H"};
+ unsigned no_of_known_types = sizeof(type_str) / sizeof(type_str[0]) - 1;
+ unsigned type_index = ((unsigned)ftdi_device < no_of_known_types)
+ ? ftdi_device : 3;
+ LOG_INFO("device: %lu \"%s\"", ftdi_device, type_str[type_index]);
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;
}
-
static int ft2232_purge_ftd2xx(void)
{
FT_STATUS status;
@@ -1966,7 +1964,6 @@ static int ft2232_purge_ftd2xx(void)
return ERROR_OK;
}
-
#endif /* BUILD_FT2232_FTD2XX == 1 */
#if BUILD_FT2232_LIBFTDI == 1
@@ -2024,10 +2021,16 @@ static int ft2232_init_libftdi(uint16_t vid, uint16_t pid, int more, int* try_mo
ftdi_set_bitmode(&ftdic, 0x0b, 2); /* ctx, JTAG I/O mask */
+ ftdi_device = ftdic.type;
+ static const char* type_str[] =
+ {"AM", "BM", "2232C", "R", "2232H", "4232H", "Unknown"};
+ unsigned no_of_known_types = sizeof(type_str) / sizeof(type_str[0]) - 1;
+ unsigned type_index = ((unsigned)ftdi_device < no_of_known_types)
+ ? ftdi_device : no_of_known_types;
+ LOG_DEBUG("FTDI chip type: %i \"%s\"", (int)ftdi_device, type_str[type_index]);
return ERROR_OK;
}
-
static int ft2232_purge_libftdi(void)
{
if (ftdi_usb_purge_buffers(&ftdic) < 0)
@@ -2039,7 +2042,6 @@ static int ft2232_purge_libftdi(void)
return ERROR_OK;
}
-
#endif /* BUILD_FT2232_LIBFTDI == 1 */
static int ft2232_init(void)
@@ -2114,6 +2116,12 @@ static int ft2232_init(void)
if (layout->init() != ERROR_OK)
return ERROR_JTAG_INIT_FAILED;
+ if (ft2232_device_is_highspeed())
+ {
+ if (ft2232h_ft4232h_clk_divide_by_5(false) != ERROR_OK)
+ return ERROR_JTAG_INIT_FAILED;
+ }
+
ft2232_speed(jtag_get_speed());
buf[0] = 0x85; /* Disconnect TDI/DO to TDO/DI for Loopback */
@@ -2132,7 +2140,6 @@ static int ft2232_init(void)
return ERROR_OK;
}
-
static int usbjtag_init(void)
{
uint8_t buf[3];
@@ -2217,7 +2224,6 @@ static int usbjtag_init(void)
return ERROR_OK;
}
-
static int axm0432_jtag_init(void)
{
uint8_t buf[3];
@@ -2288,7 +2294,6 @@ static int axm0432_jtag_init(void)
return ERROR_OK;
}
-
static int jtagkey_init(void)
{
uint8_t buf[3];
@@ -2371,7 +2376,6 @@ static int jtagkey_init(void)
return ERROR_OK;
}
-
static int olimex_jtag_init(void)
{
uint8_t buf[3];
@@ -2439,7 +2443,6 @@ static int olimex_jtag_init(void)
return ERROR_OK;
}
-
static int flyswatter_init(void)
{
uint8_t buf[3];
@@ -2486,7 +2489,6 @@ static int flyswatter_init(void)
return ERROR_OK;
}
-
static int turtle_init(void)
{
uint8_t buf[3];
@@ -2527,7 +2529,6 @@ static int turtle_init(void)
return ERROR_OK;
}
-
static int comstick_init(void)
{
uint8_t buf[3];
@@ -2571,7 +2572,6 @@ static int comstick_init(void)
return ERROR_OK;
}
-
static int stm32stick_init(void)
{
uint8_t buf[3];
@@ -2615,7 +2615,6 @@ static int stm32stick_init(void)
return ERROR_OK;
}
-
static int sheevaplug_init(void)
{
uint8_t buf[3];
@@ -2731,7 +2730,6 @@ static void olimex_jtag_blink(void)
buffer_write(high_direction);
}
-
static void flyswatter_jtag_blink(void)
{
/*
@@ -2744,7 +2742,6 @@ static void flyswatter_jtag_blink(void)
buffer_write(high_direction);
}
-
static void turtle_jtag_blink(void)
{
/*
@@ -2764,7 +2761,6 @@ static void turtle_jtag_blink(void)
buffer_write(high_direction);
}
-
static int ft2232_quit(void)
{
#if BUILD_FT2232_FTD2XX == 1
@@ -2783,7 +2779,6 @@ static int ft2232_quit(void)
return ERROR_OK;
}
-
static int ft2232_handle_device_desc_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc)
{
char *cp;
@@ -2792,20 +2787,20 @@ static int ft2232_handle_device_desc_command(struct command_context_s* cmd_ctx,
{
ft2232_device_desc = strdup(args[0]);
cp = strchr(ft2232_device_desc, 0);
- // under Win32, the FTD2XX driver appends an "A" to the end
- // of the description, this examines the given desc
- // and creates the 'missing' _A or non_A variable.
+ /* under Win32, the FTD2XX driver appends an "A" to the end
+ * of the description, this examines the given desc
+ * and creates the 'missing' _A or non_A variable. */
if ((cp[-1] == 'A') && (cp[-2]==' ')) {
- // it was, so make this the "A" version.
+ /* it was, so make this the "A" version. */
ft2232_device_desc_A = ft2232_device_desc;
- // and *CREATE* the non-A version.
+ /* and *CREATE* the non-A version. */
strcpy(buf, ft2232_device_desc);
cp = strchr(buf, 0);
cp[-2] = 0;
ft2232_device_desc = strdup(buf);
} else {
- // <space > A not defined
- // so create it
+ /* <space > A not defined
+ * so create it */
sprintf(buf, "%s A", ft2232_device_desc);
ft2232_device_desc_A = strdup(buf);
}
@@ -2818,7 +2813,6 @@ static int ft2232_handle_device_desc_command(struct command_context_s* cmd_ctx,
return ERROR_OK;
}
-
static int ft2232_handle_serial_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc)
{
if (argc == 1)
@@ -2833,7 +2827,6 @@ static int ft2232_handle_serial_command(struct command_context_s* cmd_ctx, char*
return ERROR_OK;
}
-
static int ft2232_handle_layout_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc)
{
if (argc == 0)
@@ -2845,7 +2838,6 @@ static int ft2232_handle_layout_command(struct command_context_s* cmd_ctx, char*
return ERROR_OK;
}
-
static int ft2232_handle_vid_pid_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc)
{
if (argc > MAX_USB_IDS * 2)
@@ -2859,7 +2851,7 @@ static int ft2232_handle_vid_pid_command(struct command_context_s* cmd_ctx, char
LOG_WARNING("incomplete ft2232_vid_pid configuration directive");
if (argc < 2)
return ERROR_COMMAND_SYNTAX_ERROR;
- // remove the incomplete trailing id
+ /* remove the incomplete trailing id */
argc -= 1;
}
@@ -2884,7 +2876,6 @@ static int ft2232_handle_vid_pid_command(struct command_context_s* cmd_ctx, char
return retval;
}
-
static int ft2232_handle_latency_command(struct command_context_s* cmd_ctx, char* cmd, char** args, int argc)
{
if (argc == 1)
@@ -2899,7 +2890,6 @@ static int ft2232_handle_latency_command(struct command_context_s* cmd_ctx, char
return ERROR_OK;
}
-
static int ft2232_stableclocks(int num_cycles, jtag_command_t* cmd)
{
int retval = 0;
@@ -2942,7 +2932,6 @@ static int ft2232_stableclocks(int num_cycles, jtag_command_t* cmd)
return retval;
}
-
/* ---------------------------------------------------------------------
* Support for IceBear JTAG adapter from Section5:
* http://section5.ch/icebear