408 lines
14 KiB
Plaintext
408 lines
14 KiB
Plaintext
Yocto Project Hardware Reference BSPs README
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============================================
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This file gives details about using the Yocto Project hardware reference BSPs.
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The machines supported can be seen in the conf/machine/ directory and are listed
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below. There is one per supported hardware architecture and these are primarily
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used to validate that the Yocto Project works on the hardware arctectures of
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those machines.
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If you are in doubt about using Poky/OpenEmbedded/Yocto Project with your hardware,
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consult the documentation for your board/device.
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Support for additional devices is normally added by adding BSP layers to your
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configuration. For more information please see the Yocto Board Support Package
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(BSP) Developer's Guide - documentation source is in documentation/bspguide or
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download the PDF from:
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http://yoctoproject.org/documentation
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Note that these reference BSPs use the linux-yocto kernel and in general don't
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pull in binary module support for the platforms. This means some device functionality
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may be limited compared to a 'full' BSP which may be available.
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Hardware Reference Boards
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=========================
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The following boards are supported by the meta-yocto-bsp layer:
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* Texas Instruments Beaglebone (beaglebone-yocto)
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* Freescale MPC8315E-RDB (mpc8315e-rdb)
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* Ubiquiti Networks EdgeRouter Lite (edgerouter)
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* General IA platforms (genericx86 and genericx86-64)
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For more information see the board's section below. The appropriate MACHINE
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variable value corresponding to the board is given in brackets.
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Reference Board Maintenance
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===========================
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Send pull requests, patches, comments or questions about meta-yocto-bsps to poky@yoctoproject.org
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Maintainers: Kevin Hao <kexin.hao@windriver.com>
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Bruce Ashfield <bruce.ashfield@windriver.com>
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Consumer Devices
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================
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The following consumer devices are supported by the meta-yocto-bsp layer:
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* Intel x86 based PCs and devices (genericx86)
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* Ubiquiti Networks EdgeRouter Lite (edgerouter)
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For more information see the device's section below. The appropriate MACHINE
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variable value corresponding to the device is given in brackets.
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Specific Hardware Documentation
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===============================
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Intel x86 based PCs and devices (genericx86*)
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=============================================
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The genericx86 and genericx86-64 MACHINE are tested on the following platforms:
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Intel Xeon/Core i-Series:
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+ Intel NUC5 Series - ix-52xx Series SOC (Broadwell)
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+ Intel NUC6 Series - ix-62xx Series SOC (Skylake)
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+ Intel Shumway Xeon Server
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Intel Atom platforms:
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+ MinnowBoard MAX - E3825 SOC (Bay Trail)
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+ MinnowBoard MAX - Turbot (ADI Engineering) - E3826 SOC (Bay Trail)
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- These boards can be either 32bot or 64bit modes depending on firmware
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- See minnowboard.org for details
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+ Intel Braswell SOC
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and is likely to work on many unlisted Atom/Core/Xeon based devices. The MACHINE
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type supports ethernet, wifi, sound, and Intel/vesa graphics by default in
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addition to common PC input devices, busses, and so on.
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Depending on the device, it can boot from a traditional hard-disk, a USB device,
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or over the network. Writing generated images to physical media is
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straightforward with a caveat for USB devices. The following examples assume the
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target boot device is /dev/sdb, be sure to verify this and use the correct
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device as the following commands are run as root and are not reversable.
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USB Device:
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1. Build a live image. This image type consists of a simple filesystem
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without a partition table, which is suitable for USB keys, and with the
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default setup for the genericx86 machine, this image type is built
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automatically for any image you build. For example:
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$ bitbake core-image-minimal
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2. Use the "dd" utility to write the image to the raw block device. For
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example:
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# dd if=core-image-minimal-genericx86.hddimg of=/dev/sdb
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If the device fails to boot with "Boot error" displayed, or apparently
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stops just after the SYSLINUX version banner, it is likely the BIOS cannot
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understand the physical layout of the disk (or rather it expects a
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particular layout and cannot handle anything else). There are two possible
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solutions to this problem:
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1. Change the BIOS USB Device setting to HDD mode. The label will vary by
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device, but the idea is to force BIOS to read the Cylinder/Head/Sector
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geometry from the device.
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2. Use a ".wic" image with an EFI partition
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a) With a default grub-efi bootloader:
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# dd if=core-image-minimal-genericx86-64.wic of=/dev/sdb
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b) Use systemd-boot instead
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- Build an image with EFI_PROVIDER="systemd-boot" then use the above
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dd command to write the image to a USB stick.
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Texas Instruments Beaglebone (beaglebone-yocto)
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=========================================
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The Beaglebone is an ARM Cortex-A8 development board with USB, Ethernet, 2D/3D
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accelerated graphics, audio, serial, JTAG, and SD/MMC. The Black adds a faster
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CPU, more RAM, eMMC flash and a micro HDMI port. The beaglebone MACHINE is
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tested on the following platforms:
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o Beaglebone Black A6
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o Beaglebone A6 (the original "White" model)
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The Beaglebone Black has eMMC, while the White does not. Pressing the USER/BOOT
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button when powering on will temporarily change the boot order. But for the sake
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of simplicity, these instructions assume you have erased the eMMC on the Black,
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so its boot behavior matches that of the White and boots off of SD card. To do
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this, issue the following commands from the u-boot prompt:
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# mmc dev 1
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# mmc erase 0 512
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To further tailor these instructions for your board, please refer to the
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documentation at http://www.beagleboard.org/bone and http://www.beagleboard.org/black
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From a Linux system with access to the image files perform the following steps:
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1. Build an image. For example:
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$ bitbake core-image-minimal
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2. Use the "dd" utility to write the image to the SD card. For example:
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# dd core-image-minimal-beaglebone-yocto.wic of=/dev/sdb
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3. Insert the SD card into the Beaglebone and boot the board.
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Freescale MPC8315E-RDB (mpc8315e-rdb)
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=====================================
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The MPC8315 PowerPC reference platform (MPC8315E-RDB) is aimed at hardware and
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software development of network attached storage (NAS) and digital media server
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applications. The MPC8315E-RDB features the PowerQUICC II Pro processor, which
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includes a built-in security accelerator.
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(Note: you may find it easier to order MPC8315E-RDBA; this appears to be the
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same board in an enclosure with accessories. In any case it is fully
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compatible with the instructions given here.)
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Setup instructions
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------------------
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You will need the following:
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* NFS root setup on your workstation
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* TFTP server installed on your workstation
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* Straight-thru 9-conductor serial cable (DB9, M/F) connected from your
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PC to UART1
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* Ethernet connected to the first ethernet port on the board
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--- Preparation ---
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Note: if you have altered your board's ethernet MAC address(es) from the
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defaults, or you need to do so because you want multiple boards on the same
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network, then you will need to change the values in the dts file (patch
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linux/arch/powerpc/boot/dts/mpc8315erdb.dts within the kernel source). If
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you have left them at the factory default then you shouldn't need to do
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anything here.
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Note: To boot from USB disk you need u-boot that supports 'ext2load usb'
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command. You need to setup TFTP server, load u-boot from there and
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flash it to NOR flash.
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Beware! Flashing bootloader is potentially dangerous operation that can
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brick your device if done incorrectly. Please, make sure you understand
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what below commands mean before executing them.
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Load the new u-boot.bin from TFTP server to memory address 200000
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=> tftp 200000 u-boot.bin
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Disable flash protection
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=> protect off all
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Erase the old u-boot from fe000000 to fe06ffff in NOR flash.
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The size is 0x70000 (458752 bytes)
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=> erase fe000000 fe06ffff
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Copy the new u-boot from address 200000 to fe000000
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the size is 0x70000. It has to be greater or equal to u-boot.bin size
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=> cp.b 200000 fe000000 70000
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Enable flash protection again
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=> protect on all
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Reset the board
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=> reset
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--- Booting from USB disk ---
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1. Flash partitioned image to the USB disk
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# dd if=core-image-minimal-mpc8315e-rdb.wic of=/dev/sdb
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2. Plug USB disk into the MPC8315 board
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3. Connect the board's first serial port to your workstation and then start up
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your favourite serial terminal so that you will be able to interact with
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the serial console. If you don't have a favourite, picocom is suggested:
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$ picocom /dev/ttyUSB0 -b 115200
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4. Power up or reset the board and press a key on the terminal when prompted
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to get to the U-Boot command line
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5. Optional. Load the u-boot.bin from the USB disk:
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=> usb start
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=> ext2load usb 0:1 200000 u-boot.bin
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and flash it to NOR flash as described above.
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6. Load the kernel and dtb from the first partition of the USB disk:
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=> usb start
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=> ext2load usb 0:1 1000000 uImage
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=> ext2load usb 0:1 2000000 dtb
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7. Set bootargs and boot up the device
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=> setenv bootargs root=/dev/sdb2 rw rootwait console=ttyS0,115200
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=> bootm 1000000 - 2000000
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--- Booting from NFS root ---
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Load the kernel and dtb (device tree blob), and boot the system as follows:
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1. Get the kernel (uImage-mpc8315e-rdb.bin) and dtb (uImage-mpc8315e-rdb.dtb)
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files from the tmp/deploy directory, and make them available on your TFTP
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server.
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2. Connect the board's first serial port to your workstation and then start up
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your favourite serial terminal so that you will be able to interact with
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the serial console. If you don't have a favourite, picocom is suggested:
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$ picocom /dev/ttyUSB0 -b 115200
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3. Power up or reset the board and press a key on the terminal when prompted
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to get to the U-Boot command line
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4. Set up the environment in U-Boot:
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=> setenv ipaddr <board ip>
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=> setenv serverip <tftp server ip>
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=> setenv bootargs root=/dev/nfs rw nfsroot=<nfsroot ip>:<rootfs path> ip=<board ip>:<server ip>:<gateway ip>:255.255.255.0:mpc8315e:eth0:off console=ttyS0,115200
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5. Download the kernel and dtb, and boot:
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=> tftp 1000000 uImage-mpc8315e-rdb.bin
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=> tftp 2000000 uImage-mpc8315e-rdb.dtb
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=> bootm 1000000 - 2000000
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--- Booting from JFFS2 root ---
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1. First boot the board with NFS root.
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2. Erase the MTD partition which will be used as root:
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$ flash_eraseall /dev/mtd3
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3. Copy the JFFS2 image to the MTD partition:
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$ flashcp core-image-minimal-mpc8315e-rdb.jffs2 /dev/mtd3
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4. Then reboot the board and set up the environment in U-Boot:
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=> setenv bootargs root=/dev/mtdblock3 rootfstype=jffs2 console=ttyS0,115200
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Ubiquiti Networks EdgeRouter Lite (edgerouter)
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==============================================
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The EdgeRouter Lite is part of the EdgeMax series. It is a MIPS64 router
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(based on the Cavium Octeon processor) with 512MB of RAM, which uses an
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internal USB pendrive for storage.
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Setup instructions
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------------------
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You will need the following:
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* RJ45 -> serial ("rollover") cable connected from your PC to the CONSOLE
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port on the device
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* Ethernet connected to the first ethernet port on the board
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If using NFS as part of the setup process, you will also need:
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* NFS root setup on your workstation
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* TFTP server installed on your workstation (if fetching the kernel from
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TFTP, see below).
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--- Preparation ---
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Build an image (e.g. core-image-minimal) using "edgerouter" as the MACHINE.
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In the following instruction it is based on core-image-minimal. Another target
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may be similiar with it.
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--- Booting from NFS root / kernel via TFTP ---
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Load the kernel, and boot the system as follows:
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1. Get the kernel (vmlinux) file from the tmp/deploy/images/edgerouter
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directory, and make them available on your TFTP server.
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2. Connect the board's first serial port to your workstation and then start up
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your favourite serial terminal so that you will be able to interact with
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the serial console. If you don't have a favourite, picocom is suggested:
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$ picocom /dev/ttyS0 -b 115200
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3. Power up or reset the board and press a key on the terminal when prompted
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to get to the U-Boot command line
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4. Set up the environment in U-Boot:
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=> setenv ipaddr <board ip>
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=> setenv serverip <tftp server ip>
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5. Download the kernel and boot:
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=> tftp tftp $loadaddr vmlinux
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=> bootoctlinux $loadaddr coremask=0x3 root=/dev/nfs rw nfsroot=<nfsroot ip>:<rootfs path> ip=<board ip>:<server ip>:<gateway ip>:<netmask>:edgerouter:eth0:off mtdparts=phys_mapped_flash:512k(boot0),512k(boot1),64k@3072k(eeprom)
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--- Booting from USB disk ---
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To boot from the USB disk, you either need to remove it from the edgerouter
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box and populate it from another computer, or use a previously booted NFS
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image and populate from the edgerouter itself.
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Type 1: Use partitioned image
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-----------------------------
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Steps:
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1. Remove the USB disk from the edgerouter and insert it into a computer
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that has access to your build artifacts.
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2. Flash the image.
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# dd if=core-image-minimal-edgerouter.wic of=/dev/sdb
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3. Insert USB disk into the edgerouter and boot it.
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Type 2: NFS
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-----------
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Note: If you place the kernel on the ext3 partition, you must re-create the
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ext3 filesystem, since the factory u-boot can only handle 128 byte inodes and
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cannot read the partition otherwise.
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These boot instructions assume that you have recreated the ext3 filesystem with
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128 byte inodes, you have an updated uboot or you are running and image capable
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of making the filesystem on the board itself.
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1. Boot from NFS root
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2. Mount the USB disk partition 2 and then extract the contents of
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tmp/deploy/core-image-XXXX.tar.bz2 into it.
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Before starting, copy core-image-minimal-xxx.tar.bz2 and vmlinux into
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rootfs path on your workstation.
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and then,
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# mount /dev/sda2 /media/sda2
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# tar -xvjpf core-image-minimal-XXX.tar.bz2 -C /media/sda2
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# cp vmlinux /media/sda2/boot/vmlinux
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# umount /media/sda2
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# reboot
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3. Reboot the board and press a key on the terminal when prompted to get to the U-Boot
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command line:
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# reboot
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4. Load the kernel and boot:
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=> ext2load usb 0:2 $loadaddr boot/vmlinux
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=> bootoctlinux $loadaddr coremask=0x3 root=/dev/sda2 rw rootwait mtdparts=phys_mapped_flash:512k(boot0),512k(boot1),64k@3072k(eeprom)
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