[yocto] [PATCH 06/12] meta-crownbay: update README

Tom Zanussi tom.zanussi at intel.com
Fri Aug 19 06:53:32 PDT 2011 

On Thu, 2011-08-18 at 13:53 -0500, Tom Zanussi wrote:
> On Thu, 2011-08-18 at 11:12 -0700, Saul Wold wrote:
> > On 08/17/2011 09:51 AM, tom.zanussi at intel.com wrote:
> > > From: Tom Zanussi<tom.zanussi at intel.com>
> > >
> > > With the new emgd-driver-bin recipe, the extensive instructions on how
> > > to manually download and set up EMGD for the build are no longer
> > > necessary.  Those instructions have been replaced with the simpler set
> > > of instructions now needed to build crownbay with EMGD.
> > >
> > > Changes to reflect the new image names and a couple other minor
> > > cleanups are also included.
> > >
> > > Signed-off-by: Tom Zanussi<tom.zanussi at intel.com>
> > > ---
> > >   meta-crownbay/README |  207 ++++++++++----------------------------------------
> > >   1 files changed, 42 insertions(+), 165 deletions(-)
> > >
> > > diff --git a/meta-crownbay/README b/meta-crownbay/README
> > > index 89056ed..c82f2c4 100644
> > > --- a/meta-crownbay/README
> > > +++ b/meta-crownbay/README
> > > @@ -6,7 +6,7 @@ The Crown Bay platform consists of the Intel Atom Z6xx processor,
> > >   plus the Intel EG20T Platform Controller Hub (Tunnel Creek + Topcliff).
> > >
> > >   It also supports the E6xx embedded on-chip graphics via the Intel
> > > -Embedded Media and Graphics Driver (EMGD) 1.6 Gold Driver.
> > > +Embedded Media and Graphics Driver (EMGD) 1.8 Driver.
> > >
> > >   Table of Contents
> > >   =================
> > > @@ -33,14 +33,20 @@ bblayers.conf e.g.:
> > >   The meta-crownbay layer contains support for two different machine
> > >   configurations. These configurations are identical except for the fact
> > >   that the one prefixed with 'crownbay' makes use of the
> > > -Intel-proprietary EMGD 1.6 graphics driver, while the one prefixed
> > > +Intel-proprietary EMGD 1.8 graphics driver, while the one prefixed
> > >   with 'crownbay-noemgd' does not.
> > >
> > > -If you want to enable the layer that supports EMGD graphics add
> > > +If you want to enable the layer that supports EMGD graphics add the
> > >   following to the local.conf file:
> > >
> > >     MACHINE ?= "crownbay"
> > >
> > > +You also need to add the line:
> > > +
> > > +  COMMERCIAL_LICENSE = ""
> > > +
> > Tom,
> > 
> > I thought we talked about using the oe_filter mechanism here instead of 
> > a flat override, since this will bring in other COMMERCIAL_LICENSED content.
> > 
> 
> Right, but it doesn't work and isn't exactly user-friendly:
> 
> COMMERCIAL_LICENSE := "${@oe_filter_out('emgd-driver-bin',
> '${COMMERCIAL_LICENSE}', d)}"
> 
> gives:
> 
> trz at elmorro:/usr/local/src/yocto/newkern/build$ bitbake core-image-sato
> ERROR: Unable to parse conf/bitbake.conf: Failure expanding variable
> COMMERCIAL_LICENSE[:=], expression was
> ${@oe_filter_out('emgd-driver-bin', ' emgd-driver-bin', d)} which
> triggered exception NameError: name 'oe_filter_out' is not defined
> 
> I both sent you this result and pinged you on IRC about this before I
> posted the new version that also includes the patch "meta-intel:
> crownbay/fri2 README update for COMMERCIAL_LICENSE" containing another
> method if the other is too broad to specifically address your concern:
> 
> +Alternatively, if clearing COMMERCIAL_LICENSE is not precise enough
> +for your needs, you can also simply comment out the following line in
> +meta-crownbay/conf/layer.conf to achieve the same result:
> +
> +  COMMERCIAL_LICENSE += "emgd-driver-bin"
> 
> Also, the COMMERCIAL_LICENSE = "" flat override method presents the same
> problem for anyone wanting to bring in only one of the packages in the
> existing COMMERCIAL_LICENSE list in default-distrovars.  The flat
> override is always answer on the list given whenever people try to use
> those recipes (none of this is documented anywhere that I could find
> BTW).  So how is this different?
> 
> If you can give me a better method that works, I'll be glad to update it
> with that.
> 

Saul, can you either Ack or NAK this patchset - it's been out there for
a week now and I'd like to be able to pull it in...

Thanks,

Tom

> Tom
> 
> > Sau!
> > 
> > > +to the local.conf file.
> > > +
> > >   If you want to enable the layer that does not support EMGD graphics
> > >   add the following to the local.conf file:
> > >
> > > @@ -48,8 +54,8 @@ add the following to the local.conf file:
> > >
> > >   You should then be able to build a crownbay image as such:
> > >
> > > -  $ source poky-init-build-env
> > > -  $ bitbake poky-image-sato-live
> > > +  $ source oe-init-build-env
> > > +  $ bitbake core-image-sato
> > >
> > >   At the end of a successful build, you should have a live image that
> > >   you can boot from a USB flash drive (see instructions on how to do
> > > @@ -59,10 +65,11 @@ As an alternative to downloading the BSP tarball, you can also work
> > >   directly from the meta-intel git repository.  For each BSP in the
> > >   'meta-intel' repository, there are multiple branches, one
> > >   corresponding to each major release starting with 'laverne' (0.90), in
> > > -addition to the latest code which tracks the current master.  Instead
> > > -of extracting a BSP tarball at the top level of your yocto build tree,
> > > -you can equivalently check out the appropriate branch from the
> > > -meta-intel repository at the same location.
> > > +addition to the latest code which tracks the current master (note that
> > > +not all BSPs are present in every release).  Instead of extracting
> > > +a BSP tarball at the top level of your yocto build tree, you can
> > > +equivalently check out the appropriate branch from the meta-intel
> > > +repository at the same location.
> > >
> > >
> > >   II. Special notes for building the meta-crownbay BSP layer
> > > @@ -70,182 +77,52 @@ II. Special notes for building the meta-crownbay BSP layer
> > >
> > >   The meta-crownbay layer makes use of the proprietary Intel EMGD
> > >   userspace drivers when building the "crownbay" machine (but not when
> > > -building the "crownbay-noemgd" machine).  If you got the BSP from the
> > > -'BSP Downloads' section of the Yocto website, the EMGD binaries needed
> > > -to perform the build will already be present in the BSP, located in
> > > -the recipes-graphics/xorg-xserver/emgd-driver-bin-1.6 directory, and
> > > -you can ignore the rest of this section.
> > > +building the "crownbay-noemgd" machine).
> > >
> > > -If you didn't get the BSP from the 'BSP Downloads' section of the
> > > -Yocto website, you have two choices:
> > > +As mentioned in Section I, you need to add the line:
> > >
> > > -- You can download a tarball containing an rpm that contains the
> > > -  binaries and extract the binaries from that, and copy them to the
> > > -  proper location in the meta-crownbay layer.
> > > +  COMMERCIAL_LICENSE = ""
> > >
> > > -- You can download a Windows executable from the official EMGD
> > > -  website, extract the binaries from it, and copy them to the proper
> > > -  location in the meta-crownbay layer.
> > > +to the local.conf file in order for the build to succeed.
> > >
> > > -The following subsections describe each option in detail.
> > > +The crownbay BSP COMMERCIAL_LICENSE default setting causes the build
> > > +to fail in order to prevent users from inadvertently creating and
> > > +possibly distributing images containing packages with non-free
> > > +licenses.  Clearing the COMMERCIAL_LICENSE variable as shown above
> > > +essentially tells the build system that you're OK with the fact that
> > > +packages with non-free licenses such as EMGD will be installed in the
> > > +image.
> > >
> > > +Once you've done a build, you can examine the EMGD license(s) in the
> > > +IEMGD_HEAD_Linux/License directory of the emgd-driver-bin work
> > > +directory of the build.
> > >
> > > -IIa Downloading and extracting the binaries using the EMGD Linux tarball
> > > -------------------------------------------------------------------------
> > > +Alternatively, you can examine the licenses before building by
> > > +downloading the EMGD 1.8 Driver and looking at the licenses in the
> > > +downloaded tarball.
> > >
> > > -The first step of the process is to download the EMGD 1.6 Gold Driver.
> > > -Here is the current link to the URL which it can be downloaded from:
> > > +Here is the current link to the URL from which it can be downloaded:
> > >
> > >   http://edc.intel.com/Software/Downloads/EMGD/
> > >
> > >   In the Download Now tab, select:
> > >
> > >   Intel® architecture-based product: Linux Tar Ball
> > > -Operating System: MeeGo 1.0 IVI Linux (kernel 2.6.33.3, X.server 1.8.0)
> > > +Operating System: MeeGo* 1.2 IVI Linux* (kernel 2.6.37, X.server 1.9, Mesa 7.9)
> > >
> > > -That will give you a large tar file:
> > > +That will give you a large .tgz file:
> > >
> > > -Lin_EMGD_1_6_RC_1922.tar
> > > +Lin_EMGD_1_8_RC_2032.tgz
> > >
> > >   Extract the files in the tar file, which will in turn give you a
> > >   directory named IEMGD_HEAD_Linux.
> > >
> > > -The binaries are contained in an rpm file; you can extract the
> > > -binaries from the rpm file using rpm2cpio and cpio:
> > > -
> > > -$ cd IEMGD_HEAD_Linux/MeeGo1.2
> > > -$ rpm2cpio emgd-bin-1922-1.6.i586.rpm>  emgd-bin-1922-1.6.i586.cpio
> > > -$ mkdir extracted; cd extracted
> > > -$ cpio -idv<  ../poky-image-minimal-initramfs-emenlow.cpio
> > > -
> > > -Finally, you can copy the xorg-xserver binaries to the
> > > -emgd-driver-bin-1.6 directory in the meta-crownbay layer:
> > > -
> > > -$ cp -a usr/lib meta-crownbay/recipes-graphics/xorg-xserver/emgd-driver-bin-1.6
> > > -
> > > -You also need to copy the IEMGD License.txt file to the same directory:
> > > -
> > > -$ cp IEMGD_HEAD_Linux/License/License.txt meta-crownbay/recipes/xorg-xserver/emgd-driver-bin-1.6
> > > -
> > > -At this point, you should be able to build meta-crownbay images as usual.
> > > -
> > > -
> > > -IIb Extracting the binaries using the graphical ced application
> > > ----------------------------------------------------------------
> > > -
> > > -These steps require that you run a graphical application in Windows.
> > > -Windows 7 was used for these instructions, but it shouldn't matter
> > > -which version of Windows you use.
> > > -
> > > -The first step of the process is to download the EMGD 1.6 Gold Driver.
> > > -Here is the current link to the URL which it can be downloaded from:
> > > -
> > > -http://edc.intel.com/Software/Downloads/EMGD/
> > > -
> > > -In the Download Now tab, select:
> > > -
> > > -Intel® architecture-based product: Intel Atom Processor E6XX Series
> > > -Operating System: MeeGo 1.0 IVI Linux (kernel 2.6.33.3, X.server 1.8.0)
> > > -
> > > -That will give you a large zip file:
> > > -
> > > -IEMGD_1_6_GOLD_1922.zip
> > > -
> > > -Extract the files in the zip file, which will in turn give you a large
> > > -.exe file:
> > > -
> > > -IEMGD_1_6_GOLD_ALL_1922.exe
> > > -
> > > -Run IEMGD_1_6_GOLD_ALL_1922.exe to install, accept licenses, etc.
> > > -
> > > -If it says to install watcom, follow the instructions to do that.
> > > -
> > > -When the installation completes, an application named "emgd-ced" will
> > > -be present in the install directory.  Double-click to run it.
> > > -
> > > -Select the menu item: New Configuration
> > > -
> > > -In the tabbed page, make the following selections and/or enter the
> > > -specified data:
> > > -
> > > -Configuration File Name: myconfig
> > > -Platform Chipset: Intel Atom Processor E6xx
> > > -Port Devices: LVDS, sDVO
> > > -
> > > -Hit the 'Next' button.
> > > +The applicable Licenses are contained in the License directory under
> > > +IEMGD_HEAD_Linux.
> > >
> > > -On the next tabbed page, make the following selections and/or enter
> > > -the specified data:
> > >
> > > -Readable Port Name: portname0
> > > -Encoder Configuration: Select sDVO Device: Internal LVDS
> > > -
> > > -Hit the 'Finish' button.
> > > -
> > > -Select the menu item: New Package
> > > -
> > > -In the tabbed page, make the following selections and/or enter the
> > > -specified data:
> > > -
> > > -Package File Name: mypackage
> > > -Configurations: selec myconfig.cnfg
> > > -Target OS: Linux operating System
> > > -
> > > -Hit the 'Finish' button.
> > > -
> > > -Select the menu item: Generate Installation
> > > -
> > > -This will create the EMGD installation package:
> > > -
> > > -Generating EMGD installation...
> > > -
> > > -The installation package should now be under the 'workspace'
> > > -subdirectory of the directory you installed to:
> > > -
> > > -workspace/installation/mypackage.pkg_installation/IEMGD_HEAD_Linux/IEMGD_HEAD_Linux.tgz
> > > -
> > > -This is the file you are interested in.  Copy it to your Poky build
> > > -system, and uncompress/untar it:
> > > -
> > > -$ tar cvfz IEMGD_HEAD_Linux.tgz
> > > -
> > > -The binaries are contained in an rpm file; you can extract the
> > > -binaries from the rpm file using rpm2cpio and cpio:
> > > -
> > > -$ cd IEMGD_HEAD_Linux/MeeGo1.2
> > > -$ rpm2cpio emgd-bin-1922-1.6.i586.rpm>  emgd-bin-1922-1.6.i586.cpio
> > > -$ mkdir extracted; cd extracted
> > > -$ cpio -idv<  ../poky-image-minimal-initramfs-emenlow.cpio
> > > -
> > > -Finally, you can copy the xorg-xserver binaries to the
> > > -emgd-driver-bin-1.6 directory in the meta-crownbay layer:
> > > -
> > > -$ cp -a usr/lib meta-crownbay/recipes-graphics/xorg-xserver/emgd-driver-bin-1.6
> > > -
> > > -You also need to copy the IEMGD License.txt file to the same directory:
> > > -
> > > -$ cp IEMGD_HEAD_Linux/License/License.txt meta-crownbay/recipes/xorg-xserver/emgd-driver-bin-1.6
> > > -
> > > -At this point, you should be able to build meta-crownbay images as usual.
> > > -
> > > -----
> > > -
> > > -For reference, the EMGD Driver documentation is also available at the
> > > -above link.
> > > -
> > > -The specific text of the document is:
> > > -
> > > -User Guide: Intel® Embedded Media and Graphics Driver, EFI Video
> > > -Driver, EPOG, and Video BIOS v1.6 for Windows* XP and Linux* Provides
> > > -installation requirements/procedures&  describes the vbios/firmware,
> > > -configuration options,&  functionality of Intel® EMGD under Windows*&
> > > -Linux*. Refer to guide for details.
> > > -
> > > -April 2011
> > > -
> > > -
> > > -II. Booting the images in /binary
> > > -=================================
> > > +III. Booting the images in /binary
> > > +==================================
> > >
> > >   This BSP contains bootable live images, which can be used to directly
> > >   boot Yocto off of a USB flash drive.
> > > @@ -254,7 +131,7 @@ Under Linux, insert a USB flash drive.  Assuming the USB flash drive
> > >   takes device /dev/sdf, use dd to copy the live image to it.  For
> > >   example:
> > >
> > > -# dd if=poky-image-sato-live-crownbay-20101207053738.hddimg of=/dev/sdf
> > > +# dd if=core-image-sato-crownbay-20101207053738.hddimg of=/dev/sdf
> > >   # sync
> > >   # eject /dev/sdf
> > >
> > >
> > >
> > >
> > > _______________________________________________
> > > yocto mailing list
> > > yocto at yoctoproject.org
> > > https://lists.yoctoproject.org/listinfo/yocto
>

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