diff options
Diffstat (limited to 'src/jtag')
-rw-r--r-- | src/jtag/drivers/ftdi.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/src/jtag/drivers/ftdi.c b/src/jtag/drivers/ftdi.c index 32876bac..e69707e5 100644 --- a/src/jtag/drivers/ftdi.c +++ b/src/jtag/drivers/ftdi.c @@ -1064,8 +1064,19 @@ static int ftdi_swd_init(void) static void ftdi_swd_swdio_en(bool enable) { struct signal *oe = find_signal_by_name("SWDIO_OE"); - if (oe) - ftdi_set_signal(oe, enable ? '1' : '0'); + if (oe) { + if (oe->data_mask) + ftdi_set_signal(oe, enable ? '1' : '0'); + else { + /* Sets TDI/DO pin (pin 2) to input during rx when both pins are connected + to SWDIO */ + if (enable) + direction |= jtag_direction_init & 0x0002U; + else + direction &= ~0x0002U; + mpsse_set_data_bits_low_byte(mpsse_ctx, output & 0xff, direction & 0xff); + } + } } /** |