[coreboot] Patch: support for the Lenovo Thinkpad W520

Nico Huber nico.h at gmx.de
Sun Nov 6 15:59:34 CET 2016

On 06.11.2016 15:21, Kyösti Mälkki wrote:
> On Sun, Nov 6, 2016 at 10:33 AM, Charlotte Plusplus <
> pluspluscharlotte at gmail.com> wrote:
>> Hello
>> Also, can I please ask for some help on USBDEBUG? I have a FT232R
>> cable and enabled CONFIG_USBDEBUG_DONGLE_FTDI_FT232H. But I receive
>> nothing. Is it necessary to have a FT232H? I looked at the code and it
>> does not seem very specific. Having debug information would be helpful
>> to fix these ram issues.
> FT232R does not have USB 2.0 480Mbps (high speed) signalling and will not
> work for USBDEBUG.
> Only FT232H is tested. FT2232H and FT4232H may need additional software
> initialisation.

I've ever used FT2232H.


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