Changes between Version 23 and Version 24 of wireless/modem

Timestamp:

07/02/2018 09:13:55 PM (6 years ago)

Author:

Tim Harvey

Comment:

added additional notes about USB 3.0 links

wireless/modem

@@ -82 +82 @@
 == USB 3.0 Support ==
 
-Some modems now support USB 3.0 for faster speeds. 
+Some modems now support USB 3.0 for faster speeds required for Cat6. 
 
 Gateworks routes USB 3.0 to select Mini-PCIe slots on the Newport GW62xx, GW63xx and GW64xx (the GW61xx only has USB 2.0). The Laguna and Ventana families do not support USB 3.0.
@@ -88 +88 @@
 USB 3.0 is typically routed through a Multiplexer shared with PCIe so proper configuration must happen at the bootloader layer described [wiki:newport/bootloader#hwconfig:miniPCIeSocketConfigurationhere]
 
-Typical USB 3.0 pins are:
+USB 3.0 pins on the miniPCIe connector are:
  * 23 - USB3.0_TX-
  * 25 - USB3.0_TX+
@@ -94 +94 @@
  * 33 - USB3.0_RX+
 
-To verify proper USB 3.0 operation, look for a speed of 5000M in the usb device tree with the command shown in the example below (Bus 04.Port 1)
-
-{{{
+Many of these devices support USB 2.0 as a fallback. To verify proper USB 3.0 link for a device look for that particular device with a 5000mbps speed as opposed to a 480mbps speed. For example:
+{{{#!bash
 root@xenial-newport:~# lsusb -t
 /:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/1p, 5000M
@@ -113 +112 @@
         |__ Port 5: Dev 3, If 0, Class=Vendor Specific Class, Driver=, 480M
 }}}
-
+  * Note above the 'qmi_wwan' device shows a 5000mbps link
 
 [=#firmware]