diff options
author | Nico Huber <nico.h@gmx.de> | 2016-11-18 20:11:43 +0100 |
---|---|---|
committer | Nico Huber <nico.h@gmx.de> | 2016-11-21 15:04:35 +0100 |
commit | c868fd16a79556db6005bd784e21a654a22042c3 (patch) | |
tree | 3f2fb51700801beb07d303a63b42245d8fd657c2 /src/drivers/usb/Kconfig | |
parent | 378d79eb30f1fd990a17b26840741adfce35a8a2 (diff) |
drivers/usb: Add option for baudrate of FT232H UART
The maximum supported rate is 12MHz. Only tested with 4MHz though,
since I couldn't set anything higher on my Linux receiver. But that
works fine with another FT*232H as receiver, whoosh.
Change-Id: Ie39aa0170882ff5b4512f0349f6f86d3f0b86421
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/17477
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Diffstat (limited to 'src/drivers/usb/Kconfig')
-rw-r--r-- | src/drivers/usb/Kconfig | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/drivers/usb/Kconfig b/src/drivers/usb/Kconfig index c5c1ec7187..935108fd73 100644 --- a/src/drivers/usb/Kconfig +++ b/src/drivers/usb/Kconfig @@ -93,10 +93,20 @@ config USBDEBUG_DONGLE_FTDI_FT232H bool "FTDI FT232H UART" help Use this with FT232H usb-to-uart. Configuration is hard-coded - to use 115200, 8n1, no flow control. + to use 8n1, no flow control. endchoice +config USBDEBUG_DONGLE_FTDI_FT232H_BAUD + int "FTDI FT232H baud rate" + default 115200 + depends on USBDEBUG_DONGLE_FTDI_FT232H + help + Select baud rate for FT232H in the range 733..12,000,000. Make + sure that your receiving side supports the same setting and your + connection works with it. Multiples of 115,200 seem to be a good + choice, and EHCI debug usually can't saturate more than 576,000. + config USBDEBUG_OPTIONAL_HUB_PORT int default 2 if USBDEBUG_DONGLE_BEAGLEBONE |