diff --git a/content/boards/chromebooks/boards/sarien.md b/content/boards/chromebooks/boards/sarien.md new file mode 100644 index 0000000000000000000000000000000000000000..8a453037b86a89b48c2b93f84ece9cb832a001ee --- /dev/null +++ b/content/boards/chromebooks/boards/sarien.md @@ -0,0 +1,39 @@ +--- +title: Sarien Chromebooks +--- + +`sarien` is a board name for x86_64-based Chromebooks. Some examples are: + + - [Dell Latitude 5400 Chromebook Enterprise](https://www.dell.com/en-us/work/shop/dell-laptops-and-notebooks/dell-latitude-5400-chromebook-enterprise/spd/latitude-14-5400-chrome-laptop/xctolc540014us1) + - [Dell Latitude 5300 2-in-1 Chromebook Enterprise](https://www.dell.com/en-us/work/shop/cty/pdp/spd/latitude-13-5300-2-in-1-chrome-laptop) + +The specs for these chromebooks vary in terms of format, display, connectivity +and devices, but they are based on Intel Whiskey Lake 64 bit CPUs +such as the Celeron 4305U. + +### Debugging interfaces + +The Dell Latitude 5400 Chromebook Enterprise has been flashed and tested +with a [Servo Micro](../../01-debugging_interfaces) interface and a +RTL8152-based USB-Ethernet adapter. Note that these devices don't +support [CCD](../../02-ccd). + +#### Network connectivity + +An external USB-Ethernet dongle based on the Realtek RTL8152 can be used +to provide Ethernet connectivity in Depthcharge. Alternatively, A Servo v4 can be +used together with the Servo Micro to provide an Ethernet interface, +although this hasn't been tested yet. + +#### Known issues + +See [Common issues](../common_issues.md). + +### Example kernel command line arguments + +``` +earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog console=ttyS0,115200n8 root=/dev/nfs ip=dhcp rootwait rw nfsroot=192.168.2.100:/srv/nfs/chromebook,v3 nfsrootdebug +``` + +The IP and path of the NFS share are examples and should be adapted to +the test setup.