From 81b0383845804fe5547b78bc78eedc66ae6216bd Mon Sep 17 00:00:00 2001 From: Venugopal Shivashankar Date: Thu, 25 Jun 2015 12:50:43 +0200 Subject: Doc: Added additional info. about the Nitrogen6_Lite setup Change-Id: I7cb032e36f64933760c4cca7ff094f4d49c684d8 Task-number: QTEE-956 Reviewed-by: Gatis Paeglis Reviewed-by: Eirik Aavitsland --- src/doc/src/devices/qtee-bd-sl-imx6.qdoc | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) (limited to 'src/doc/src/devices') diff --git a/src/doc/src/devices/qtee-bd-sl-imx6.qdoc b/src/doc/src/devices/qtee-bd-sl-imx6.qdoc index 2b68a28..d277256 100644 --- a/src/doc/src/devices/qtee-bd-sl-imx6.qdoc +++ b/src/doc/src/devices/qtee-bd-sl-imx6.qdoc @@ -73,6 +73,33 @@ After the installation is complete, insert the SD card, power on the device and check that the \B2Q welcome screen and/or demo appear. + \b {Setup for Nitrogen6_Lite Device} + + The boot script requires the environment variables, \c dtbname and \c gpumem, to identify + the device as Nitrogen6_Lite. Otherwise, the device is booted with the default GPU + memory setting of 512MiB, which is more than what is available on the Nitrogen_Lite devices + (128MibB). + + Use one of the two following options to enable the scripts boot the device + with correct GPU memory setting: + + \list + \li Write a \c uEnv.txt file on to the boot partition of SD card with the following + content: + + \badcode + gpumem=67108864 + dtbname=imx6dl-nit6xlite.dtb + \endcode + + \li Access the device's console and run the following commands on the U-Boot prompt: + \badcode + U-Boot > setenv gpumem 67108864 + U-Boot > setenv dtbname imx6dl-nit6xlite.dtb + U-Boot > saveenv + \endcode + \endlist + \section1 Setting up USB Access \include b2qt-post-install-setup.qdocinc setting up usb access -- cgit v1.2.3