On Mon, Mar 29, 2021, at 3:15 PM, Qing Zhang wrote:
> When using the Loongson-3A4000 machine for serial port debugging,
> there is no /dev/ttyUSB* output, which makes the serial port unavailable,
> For convenience, we open this configuration.
>
> zhangqing@loongson-pc:~$ cat /sys/firmware/lefi/boardinfo
> Board Info
> Manufacturer : THTF
> Board Name : THTF-LS3A4000-7A1000-ML4A
> Family : LOONGSON3
>
> BIOS Info
> Vendor : ZD tech
> Version : ZD tech-V2.1.1
> ROM Size : 4 KB
> Release Date : 2020-06-29
>
> zhangqing@loongson-pc:~$ lsusb
> Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
> Bus 005 Device 003: ID 093a:2510 Pixart Imaging, Inc. Optical Mouse
> Bus 005 Device 002: ID 0c45:760b Microdia USB Keyboard
> Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 003 Device 003: ID 067b:2303 Prolific Technology, Inc. PL2303 Serial Port
> Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
>
> Signed-off-by: Qing Zhang <zhangq...@loongson.cn>
Please, don't add random stuff to defconfig.
Carry it locally in your config as the device doesn't come with the borad, it's
your accessory.
Thanks.
--
- Jiaxun
