[meta-intel] [PATCH 1/6] meta-valleyisland: new BSP layer for Intel Atom Processor E38XX

Chang, Rebecca Swee Fun rebecca.swee.fun.chang at intel.com
Mon Feb 10 22:56:54 PST 2014


Hi

Please find my reply in line below:

Thanks

> -----Original Message-----
> From: Kamble, Nitin A
> Sent: 08 February, 2014 3:09 AM
> To: Chang, Rebecca Swee Fun; meta-intel at yoctoproject.org; Zanussi, Tom
> Subject: Re: [meta-intel] [PATCH 1/6] meta-valleyisland: new BSP layer for
> Intel Atom Processor E38XX
> 
> 
> On 2/5/2014 2:21 AM, rebecca.swee.fun.chang at intel.com wrote:
> > From: "Chang, Rebecca Swee Fun" <rebecca.swee.fun.chang at intel.com>
> >
> > This layer provides support for Intel Atom Processor E38XX product
> > line.
> >
> > Signed-off-by: Chang, Rebecca Swee Fun
> > <rebecca.swee.fun.chang at intel.com>
> > ---
> >   meta-isg/meta-valleyisland/COPYING.MIT     |   17 +++
> >   meta-isg/meta-valleyisland/README          |  217
> ++++++++++++++++++++++++++++
> >   meta-isg/meta-valleyisland/README.sources  |   18 +++
> >   meta-isg/meta-valleyisland/conf/layer.conf |   14 ++
> >   4 files changed, 266 insertions(+)
> >   create mode 100644 meta-isg/meta-valleyisland/COPYING.MIT
> >   create mode 100644 meta-isg/meta-valleyisland/README
> >   create mode 100644 meta-isg/meta-valleyisland/README.sources
> >   create mode 100644 meta-isg/meta-valleyisland/conf/layer.conf
> >
> > diff --git a/meta-isg/meta-valleyisland/COPYING.MIT
> > b/meta-isg/meta-valleyisland/COPYING.MIT
> > new file mode 100644
> > index 0000000..89de354
> > --- /dev/null
> > +++ b/meta-isg/meta-valleyisland/COPYING.MIT
> > @@ -0,0 +1,17 @@
> > +Permission is hereby granted, free of charge, to any person obtaining
> > +a copy of this software and associated documentation files (the
> > +"Software"), to deal in the Software without restriction, including
> > +without limitation the rights to use, copy, modify, merge, publish,
> > +distribute, sublicense, and/or sell copies of the Software, and to
> > +permit persons to whom the Software is furnished to do so, subject to
> the following conditions:
> > +
> > +The above copyright notice and this permission notice shall be
> > +included in all copies or substantial portions of the Software.
> > +
> > +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> > +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
> OF
> > +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
> > +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
> HOLDERS
> > +BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
> AN
> > +ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
> IN
> > +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
> THE SOFTWARE.
> > diff --git a/meta-isg/meta-valleyisland/README
> > b/meta-isg/meta-valleyisland/README
> > new file mode 100644
> > index 0000000..aed19d3
> > --- /dev/null
> > +++ b/meta-isg/meta-valleyisland/README
> > @@ -0,0 +1,217 @@
> > +This README file contains information on building the
> > +meta-valleyisland BSP layer, and booting the images contained in the
> /binary directory.
> > +Please see the corresponding sections below for details.
> > +
> > +The Valley Island BSP consists of two versions:
> > +1. 32-bit Valley Island
> > +2. 64-bit Valley Island
> > +
> > +The BSP is made specifically for Intel Atom E38XX Processor E38XX
> > +Development Kit (formerly known as Valley Island). This BSP
> > +integrates Intel Graphics for Linux driver as the integrated graphics.
> > +
> > +Valley Island BSP is meant to support Valley Island Development Kit,
> > +"Bayley Bay" CRB and "Bakersport" CRB.
> > +
> > +Further information on the platforms supported by this BSP can be
> > +found here:
> > +
> > +
> > + http://www.intel.com/content/www/us/en/intelligent-systems/bay-
> trail
> > + /atom-processor-e3800-family-overview.html
> > +
> > +Information on all Intel® embedded platforms can be found here:
> > +
> > +  http://www.intel.com/p/en_US/embedded/hwsw/hardware
> > +
> > +Dependencies
> > +============
> > +
> > +This layer depends on:
> > +
> > +  URI: git://git.openembedded.org/bitbake
> > +  branch: master
> > +
> > +  URI: git://git.openembedded.org/openembedded-core
> > +  layers: meta
> > +  branch: dylan
> > +
> > +  URI: git://git.yoctoproject.org/meta-intel
> > +  layers: intel
> > +  branch: dylan
> > +
> > +Patches
> > +=======
> > +
> > +Please submit any patches against this BSP to the Yocto mailing list
> > +(yocto at yoctoproject.org) and cc: the maintainer:
> > +
> > +Maintainer: Chang, Rebecca Swee Fun
> > +<rebecca.swee.fun.chang at intel.com>
> > +
> > +Please see the meta-isg/MAINTAINERS file for more details.
> > +
> > +Table of Contents
> > +=================
> > +
> > +  I. Building the meta-valleyisland BSP layer  II. Booting the images
> > +in /binary III. Device Notes
> > +     a. Boot Loader
> > +     b. I/O drivers
> > +     c. LPIO ACPI enumeration support  IV. Known Issues
> > +     a. I/O drivers
> > +
> > +
> > +I. Building the meta-valleyisland BSP layer
> > +===========================================
> > +
> > +In order to build an image with BSP support for a given release, you
> > +need to download the corresponding BSP tarball from the 'Board
> > +Support Package (BSP) Downloads' page of the Yocto Project website.
> > +
> > +Having that done, and assuming you have extracted the BSP tarball
> > +contents at the top-level of your Yocto build tree, you can build a
> > +valleyisland image by adding the location of the meta-valleyisland
> > +layer to bblayers.conf, along with the meta-intel layer itself (to
> > +access common metadata shared between BSPs) e.g.:
> > +
> > +  yocto/meta-intel \
> > +  yocto/meta-intel/meta-isg/meta-valleyisland \
> > +
> > +To enable the 32-bit Valley Island layer, add the valleyisland-32 MACHINE
> to local.conf:
> > +
> > +  MACHINE ?= "valleyisland-32"
> > +
> > +To enable the 64-bit Valley Island layer, add the valleyisland-64 MACHINE
> to local.conf:
> > +
> > +  MACHINE ?= "valleyisland-64"
> > +
> > +You should then be able to build a valleyisland image as such:
> > +
> > +  $ 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
> > +that below, in the section 'Booting the images from /binary').
> > +
> > +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 (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. 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.
> > +
> > +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=core-image-sato-valleyisland-32.hddimg of=/dev/sdf
> This is not the proper way to create bootable USB flash disks for EFI enabled
> disks.
> Instead mkefidisk script or wic need to be mentioned here.  And this apply to
> the similar commit in the master branch too.
> 
> Tom, can you clarify the steps for this section?
>
Based on your feedback, I had done trying the mkefidisk scripts in poky/scripts/contrib.
I do feel that it is a more proper way to install the EFI enabled image into USB/SATA.
I will add this mkefidisk portion into valleyisland README.

Thanks.
Rebecca

> Thanks,
> Nitin
> > +# sync
> > +# eject /dev/sdf
> > +
> > +This should give you a bootable USB flash device.  Insert the device
> > +into one of the USB host ports on the target, and power on.  This
> > +should result in a system booted to the Sato graphical desktop.
> > +
> > +If you want a terminal, use the arrows at the top of the UI to move
> > +to different pages of available applications, one of which is named
> > +'Terminal'.  Clicking that should give you a root terminal.
> > +
> > +If you want to ssh into the system, you can use the root terminal to
> > +ifconfig the IP address and use that to ssh in.  The root password is
> > +empty, so to log in type 'root' for the user name and hit 'Enter' at
> > +the Password prompt: and you should be in.
> > +
> > +----
> > +
> > +If you find you're getting corrupt images on the USB (it doesn't show
> > +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
> > +
> > +
> > +III. Device Notes
> > +=================
> > +a. Boot Loader
> > +--------------
> > +BIOS : Bayley Bay 072_011
> > +EC   : KSC v3.10 for Bayley Bay/Bakersport CRB Fab3
> > +
> > +Required settings in BIOS
> > +
> > +  Turn off Secure-boot:
> > +    Device Manager -> System Setup -> Boot -> Security Boot ->
> > + Disable
> > +
> > +  Turn off LPE Audio Support:
> > +    Device Manager -> System Setup -> South Cluster Configuration ->
> > +    Audio Configuration -> LPE Audio Support -> Disable
> > +
> > +Please use EFI mode for all boot medium types, i.e. USB disk and Hard
> Disk.
> > +Setting in BIOS:
> > +
> > +  Choose boot medium:
> > +    Boot Manager -> EFI (Hard Drive/USB Device)
> > +
> > +  Save settings:
> > +    Boot Maintenance Manager -> Boot Options -> Change Boot Order ->
> > +    Change the order -> Commmit Changes and Exit
> > +
> > +
> > +b. I/O drivers
> > +--------------
> > +The I2C controller driver supports fast mode by default.
> > +To enable standard mode, appends the arguments to kernel command
> line.
> > +
> > +  "i2c-designware-pci.force_std_mode=1" (PCI mode)
> > + "i2c-designware-platform.force_std_mode=1" (ACPI mode)
> > +
> > +
> > +To use SMBUS driver, you'll need to append the following argument to
> > +the kernel command line.
> > +
> > +  "acpi_enforce_resources=lax"
> > +
> > +
> > +c. LPIO ACPI enumeration support
> > +--------------------------------
> > +Required settings in BIOS
> > +
> > +  Turn on ACPI mode
> > +    Device Manager -> System Setup -> South Cluster Configuration ->
> > +    LPSS & SCC Configuration -> LPSS & SCC Device Mode -> ACPI mode
> > +
> > +If you would like to use the ACPI mode LPSS device, press e to edit
> > +kernel command line when you see the Yocto GRUB Menu during boot up.
> > +Append the following argument at the end of kernel boot command line.
> > +
> > +  "byt-board.disable=1"
> > +
> > +
> > +Some LPSS devices are hidden in ACPI mode to support Windows. To
> > +enable these devices, toggle the following in the BIOS Menu.
> > +
> > +Device Manager -> System Setup -> South Cluster Configuration ->
> > +Miscellaneous Configuration -> Unsupported LPSS Device and select
> "Unhide"
> > +
> > +
> > +IV. Known Limitations
> > +=====================
> > +a. I/O drivers
> > +--------------
> > +HSUART:
> > +
> > +When runninig PCI mode HSUART at baud rate 2M and above, you may
> > +observe kernel message "serial8250: too much work for irq...". Most
> > +of the time it won't disrupt the transfer and able to complete without
> data corruption.
> > +However, occasionally your transfer may halt when that kernel message
> appear.
> > +In this case, you would need to re-open the HSUART port.
> > diff --git a/meta-isg/meta-valleyisland/README.sources
> > b/meta-isg/meta-valleyisland/README.sources
> > new file mode 100644
> > index 0000000..9c33a64
> > --- /dev/null
> > +++ b/meta-isg/meta-valleyisland/README.sources
> > @@ -0,0 +1,18 @@
> > +The sources for the packages comprising the images shipped with this
> > +BSP can be found at the following location:
> > +
> > +http://downloads.yoctoproject.org/mirror/sources/
> > +
> > +The metadata used to generate the images shipped with this BSP, in
> > +addition to the code contained in this BSP, can be found at the
> > +following location:
> > +
> > +http://downloads.yoctoproject.org/releases/yocto/yocto-1.4/poky-dylan
> > +-9.0.2.tar.bz2
> > +
> > +The metadata used to generate the images shipped with this BSP, in
> > +addition to the code contained in this BSP, can also be found at the
> > +following locations:
> > +
> > +git://git.yoctoproject.org/poky.git
> > +
> > +git://git.yoctoproject.org/meta-intel
> > diff --git a/meta-isg/meta-valleyisland/conf/layer.conf
> > b/meta-isg/meta-valleyisland/conf/layer.conf
> > new file mode 100644
> > index 0000000..0165aea
> > --- /dev/null
> > +++ b/meta-isg/meta-valleyisland/conf/layer.conf
> > @@ -0,0 +1,14 @@
> > +# We have a conf and classes directory, add to BBPATH BBPATH .=
> > +":${LAYERDIR}"
> > +
> > +# We have a recipes directory, add to BBFILES BBFILES +=
> > +"${LAYERDIR}/recipes-*/*/*.bb \
> > +	${LAYERDIR}/recipes-*/*/*.bbappend"
> > +
> > +BBFILE_COLLECTIONS += "valleyisland"
> > +BBFILE_PATTERN_valleyisland := "^${LAYERDIR}/"
> > +BBFILE_PRIORITY_valleyisland = "6"
> > +
> > +LAYERDEPENDS_valleyisland = "intel"
> > +
> > +LICENSE_PATH += "${LAYERDIR}/custom-licenses"



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