From: Rahul Saxena <[email protected]> Update README file with information on building image with PVR graphics driver. Also provide info on enabling build of recipes for glxgears demo apps, video and music samples.
Signed-off-by: Rahul Saxena <[email protected]> --- meta-cedartrail/README | 50 ++++++++++++++++++++++++++++++++++++++++++++++- 1 files changed, 48 insertions(+), 2 deletions(-) diff --git a/meta-cedartrail/README b/meta-cedartrail/README index 67cba6b..f17410c 100755 --- a/meta-cedartrail/README +++ b/meta-cedartrail/README @@ -2,13 +2,17 @@ This README file contains information on building the meta-cedartrail BSP layer, and booting the images contained in the /binary directory. Please see the corresponding sections below for details. +The 'Cedar Trail' platform consists of the Cedarview (Intel® Atom⢠+N2600, N2800 and D2700) processor, plus the Tiger Point +(Intel® NM10 Express) Chipset. + Table of Contents ================= I. Building the meta-cedartrail BSP layer II. Booting the images in /binary - +III. Miscellaneous Notes I. Building the meta-cedartrail BSP layer ========================================= @@ -24,10 +28,28 @@ bblayers.conf e.g.: yocto/meta-intel/meta-cedartrail \ -To enable the cedartrail layer, add the cedartrail MACHINE to local.conf: +The meta-cedartrail layer contains support for two different machine +configurations. These configurations are identical except for the fact +that the one prefixed with 'cedartrail' makes use of Intel' proprietary +PowerVR Graphics/Media drivers to enable Graphics and Media acceleration +in the processor, while the one prefixed with 'cedartrail-nonopvr' uses +non-accelerated graphics driver (VESA). + +If you want to enable the layer that supports Power VR graphics add the +following to the local.conf file: MACHINE ?= "cedartrail" +Power VR Graphics user-space driver binaries are covered by a +"Intel Free Distribution Binary License". The build of this driver +can be enabled by adding the following line to the local.conf file: + PVR_LICENSE = "yes" + +If you want to enable the layer that does not support Power VR graphics +add the following to the local.conf file: + + MACHINE ?= "cedartrail-nopvr" + You should then be able to build a cedartrail image as such: $ source oe-init-build-env @@ -81,3 +103,27 @@ the syslinux boot: prompt, or the boot: prompt contains strange characters), try doing this first: # dd if=/dev/zero of=/dev/sdf bs=1M count=512 + +Miscellaneous Notes +==================== + +Video and Music Samples +----------------------- +This BSP includes recipes to download Ogg format video and +music files that can be played-back with the Video and music players +included in the sato images. The sample files are installed in +/home/Music and /home/Videos directories. + + +Adding Glxgears to image +------------------------- +Glxgears can be added to the generated image by adding "debug-tweaks" +option to the extra image features variable in the default local.conf +before building the BSP. + +e.g. to add Glxgears, locate the following line in local.conf +EXTRA_IMAGE_FEATURES = "debug-tweaks" + +and change above line to.. + +EXTRA_IMAGE_FEATURES = "debug-tweaks tools-testapps" -- 1.7.4.1
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