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Brian Richardson edited this page Feb 25, 2017 · 5 revisions

The Beagle Board is a low cost highly capable single board computer. The Beagle Board is based on an OMAP3530 SoC featuring an ARM® CortexTM-A8 processor. Please go here, to get information on how to buy a Beagle Board. Don't forget to also order a serial cable and power supply.
The BeagleBoardPkg package reuses components from ArmPkg and Omap35xxPkg.

Table of Contents

Source Repository

https://github.com/tianocore/edk2/tree/master/BeagleBoardPkg

Developer References

BeagleBoard Support and Status

  • Tested revision 12923 (Tue Jan 10 2012)
  • NAND, SD Card, USB EHCI controller, Display controller EFI Drivers are fully functional.
  • Boot Linux zImage with ATAG or Device Tree blob (FDT)

How to build UEFI for the BeagleBoard

1. Get the requirements

  • A Universally Unique Id (UUID) header. Needed to build the EDK2 BaseTools. On Ubuntu: sudo apt-get install uuid-dev
2. Download the sources 
svn co https://svn.code.sf.net/p/edk2/code/trunk/edk2 edk2 --username guest
cd $(WORKROOT)/edk2
svn co https://svn.code.sf.net/p/edk2-fatdriver2/code FatPkg --username guest
patch -p1 < ArmPlatformPkg/Documentation/patches/BaseTools-Pending-Patches.patch
cd BeagleBoardPkg/

3. Get the toolchain: See ArmPkg-Toolchain

4. Apply the ARM pending patches required to build the firmware 

cd $(WORKROOT)/edk2
patch -p0 < ArmPlatformPkg/Documentation/patches/BaseTools-Pending-Patches.patch

5. Build the Release build of UEFI firmware: 

cd BeagleBoardPkg/
./build.sh RELEASE
  • To Build the Debug version of UEFI
./build.sh

Using UEFI to boot Linux

1. Installing Linaro image Creator:

  • Getting from Linaro website:
wget http://launchpad.net/linaro-image-tools/trunk/0.4.8/+download/linaro-image-tools-0.4.8.tar.gz
tar xzf linaro-image-tools-0.4.8.tar.gz
cd $(WORKROOT)/linaro-image-tools-0.4.8/
sudo apt-get install parted dosfstools uboot-mkimage python-argparse python-dbus python-debian python-parted qemu-arm-static btrfs-tools command-not-found
Add linaro-media-create path to the PATH environment variable
  • Getting from the Ubuntu package:
sudo add-apt-repository ppa:linaro-maintainers/tools
sudo apt-get update
sudo apt-get install linaro-image-tools

2. Creating the u-boot + Linux Linaro image: 

mkdir $(WORKROOT)/beagle_image && cd $(WORKROOT)/beagle_image
wget http://releases.linaro.org/platform/linaro-m/hwpacks/final/hwpack_linaro-omap3_20101109-1_armel_supported.tar.gz
wget http://releases.linaro.org/platform/linaro-m/headless/release-candidate/linaro-m-headless-tar-20101101-0.tar.gz
sudo linaro-media-create --image_file beagle_sd.img --dev beagle --binary linaro-m-headless-tar-20101101-0.tar.gz --hwpack hwpack_linaro-omap3_20101109-1_armel_supported.tar.gz
sudo chmod a+rw beagle_sd.img

3. Replacing u-boot by UEFI 

mkdir /tmp/beagle_boot
sudo mount -o loop,offset=$[63*512] $(WORKROOT)/beagle_image/beagle_sd.img /tmp/beagle_boot
sudo cp $(WORKROOT)/edk2/Build/BeagleBoard/RELEASE_ARMGCC/FV/BEAGLEBOARD_EFI.fd /tmp/beagle_boot/u-boot.bin
sudo umount /tmp/beagle_boot

4. ARM UEFI currently only support zImage. Add the zImage to the sdcard: 

tar xzf hwpack_linaro-omap3_20101109-1_armel_supported.tar.gz
cd pkgs/
dpkg -x linux-image-2.6.35-1008-linaro-omap_2.6.35-1008.15_armel.deb .
sudo mount -o loop,offset=$[63*512] $(WORKROOT)/beagle_image/beagle_sd.img /tmp/beagle_boot
sudo cp boot/vmlinuz-2.6.35-1008-linaro-omap /tmp/beagle_boot/zImage

5. Replace the Linux command line

  • Get the command line from uboot ('boot.txt' from the boot partition):
console=ttyS2,115200n8 root=/dev/mmcblk0p2 rw earlyprintk fixrtc nocompcache vram=12M omapfb.mode=dvi:1280x720MR-16@60
  • Start the UEFI on the BeagleBoard
  • Go into the 'Boot Menu'
  • Update the existing entry
The default boot selection will start in   8 seconds
[1] Linux from SD
[2] EBL
[3] Boot Manager
Start: 3
[1] Add Boot Device Entry
[2] Update Boot Device Entry
[3] Remove Boot Device Entry
[4] Return to main menu
Choice: 2
[1] Linux from SD
Update entry: 1
File path of the EFI Application or the kernel: zImage
Arguments to pass to the binary: console=ttyS2,115200n8 root=/dev/mmcblk0p2 rw earlyprintk fixrtc nocompcache vram=12M omapfb.mode=dvi:1280x720MR-16@60
Description for this new Entry: Linux from SD
[1] Add Boot Device Entry
[2] Update Boot Device Entry
[3] Remove Boot Device Entry
[4] Return to main menu
Choice: 4
[1] Linux from SD
[2] EBL
[3] Boot Manager
Start: 1
   DXE    498 ms
   BDS    291 ms
Total Time = 790 ms

Uncompressing Linux... done, booting the kernel.
[    0.000000] Initializing cgroup subsys cpuset
[    0.000000] Initializing cgroup subsys cpu
[    0.000000] Linux version 2.6.35-1008-linaro-omap (buildd@hawthorn) (gcc version 4.4.5 (Ubuntu/Linaro 4.4.4-14ubuntu5) ) #15-Ubuntu Fri Oct 22 11:56:29 UTC 2010 (Ubuntu 2.6.35-1008.15-linaro-omap 2.6.35.7)
[    0.000000] CPU: ARMv7 Processor [412fc083] revision 3 (ARMv7), cr=10c53c7f
[    0.000000] CPU: VIPT nonaliasing data cache, VIPT nonaliasing instruction cache
[    0.000000] Machine: OMAP3 Beagle Board
[    0.000000] bootconsole [earlycon0] enabled

The EBL (EDK Boot Loader) is a small simple command line environment that is much simpler that the EFI shell. It is also possible to launch the EFI shell from the EBL command prompt. The EBL source code is located in the edk2 EmbeddedPkg.
Please see the EDK Boot Loader (EBL) WiKi for more information.

Testing UEFI on qEmu 

sudo add-apt-repository ppa:linaro-maintainers/tools
sudo apt-get update
sudo apt-get install qemu-user-static qemu-system
  • Using the previous image:
qemu-system-arm -M beagle -serial stdio -sd beagle_sd.img
  • Booting UEFI from NOR Flash: Rebuild the UEFI firmware WITH the OMAP353x header:
cd $(WORKROOT)/edk2/BeagleBoardPkg/
./build.sh RELEASE
qemu-system-arm -M beagle -serial stdio -sd beagle_sd.img -mtdblock $(WORKROOT)/edk2/Build/BeagleBoard/RELEASE_ARMGCC/FV/BeagleBoard_EFI_flashboot.fd
  • If UEFI fails to find the Linux kernel then you should expect to see this error message:
ERROR : Did not find linux kernel.

Two reasons could be the source of the error. Either there is no zImage on the SD card (the default location of the kernel for this version of UEFI) or the Device Path of the SD card has changed.

To check if the zImage is on the SD card, start EBL and browse the SD card file system to ensure a 'zImage' file exists on the root of your boot partition: 

BeagleEdk2 >device
Firmware Volume Devices:
  fv0: 0x80008000 - 0x80087FFF : 0x00080000
  fv1: 0x87BAF000 - 0x87DC1F37 : 0x00212F38
File System Devices:
  fs0: boot:
Block IO Devices:
  blk0: Size = 0x10000000
  blk1: Removable Size = 0xC0000000
  blk2: fs0: Removable Partition Size = 0x33F8000
  blk3: Removable Partition Size = 0xBCC00000
BeagleEdk2 >cd fs0:
BeagleEdk2 fs0:\>dir
       524,288 u-boot.bin
        18,360 MLO
     3,704,948 uImage
     4,765,522 uInitrd
           387 boot.txt
           459 boot.scr
           459 boot.ini
     3,704,884 zImage
BeagleEdk2 fs0:\>

And to list the Device Paths supported by your firmware you can also use the command 'devicepath' of EBL: 

BeagleEdk2 fs0:\>devicepath
[0x87964690] MemoryMapped(0xB,0x80008000,0x80087FFF)
[0x87964390] MemoryMapped(0xB,0x87BAF000,0x87DC1F37)
[0x87064B10] VenHw(D3987D4B-971A-435F-8CAF-4967EB627241)/Uart(115200,8,N,1)
[0x87062F10] VenHw(4D00EF14-C4E0-426B-81B7-30A00A14AAD6)
[0x8705D410] VenHw(100C2CFA-B586-4198-9B4C-1683D195B1DA)
[0x8705C890] PciRoot(0x0)/Pci(0x0,0x0)
[0x8705BD10] VenHw(E68088EF-D1A4-4336-C1DB-4D3A204730A6)
[0x87052A90] VenHw(D3987D4B-971A-435F-8CAF-4967EB627241)/Uart(115200,8,N,1)/VenPcAnsi()
[0x8704A710] VenHw(100C2CFA-B586-4198-9B4C-1683D195B1DA)/HD(1,MBR,0x00000000,0x3F,0x19FC0)
[0x8704A410] VenHw(100C2CFA-B586-4198-9B4C-1683D195B1DA)/HD(2,MBR,0x00000000,0x1A000,0x5E6000)
BeagleEdk2 fs0:\>
The default kernel is expected at VenHw(B615F1F5-5088-43CD-809C-A16E52487D00)/HD(1,MBR,0x00000000,0x3F,0x19FC0)/zImage This is defined by BeagleBoardPkg/BeagleBoardPkg.dsc: 
gArmPlatformTokenSpaceGuid.PcdDefaultBootDevicePath|L"VenHw(B615F1F5-5088-43CD-809C-A16E52487D00)/HD(1,MBR,0x00000000,0x3F,0x19FC0)/zImage"

Booting EDK2 in the Beagle Board DRAM using U-Boot

1. Build the BeagleBoard EDK2 as defined in section 'How to build UEFI for the BeagleBoard'.

2. Copy the BeagleBoard UEFI firmware (BEAGLEBOARD_EFI.fd) on your boot partition (the FAT partition) of your SD card.

3. Start U-Boot on the BeagleBoard

4. Load and Start the UEFI Firmware 

OMAP3 beagleboard.org # mmc init
mmc1 is available
OMAP3 beagleboard.org # fatls mmc1
usage: fatls <interface> <dev[:part]> [directory]
OMAP3 beagleboard.org # fatls mmc 1
Unknown command 'fatls' - try 'help'
OMAP3 beagleboard.org # fatls mmc 1 /
   192204   u-boot.bin 
    18360   mlo 
  3704948   uimage 
  4765782   uinitrd 
      387   boot.txt 
      459   boot.scr 
      459   boot.ini 
   524288   BEAGLEBOARD_EFI.fd

8 file(s), 0 dir(s)

OMAP3 beagleboard.org # fatload mmc 1 80008000 BEAGLEBOARD_EFI.fd
reading BEAGLEBOARD_EFI.fd

524288 bytes read
OMAP3 beagleboard.org # go 80008000
## Starting application at 0x80008000 ...
Magic delay to disable watchdog timers properly.
UEFI firmware built at 12:34:19 on Nov 16 2011
add-symbol-file /home/olivier/tianocore-svn/Build/BeagleBoard/DEBUG_ARMLINUXGCC/ARM/MdeModulePkg/Core/Dxe/DxeMain/DEBUG/DxeCore.dll 0x87B88240
Loading DxeCore at 0x0087B88000 EntryPoint=0x0087B88241
add-symbol-file /home/olivier/tianocore-svn/Build/BeagleBoard/DEBUG_ARMLINUXGCC/ARM/MdeModulePkg/Core/Dxe/DxeMain/DEBUG/DxeCore.dll 0x87B88004
HOBLIST address in DXE = 0x87B70010
Memory Allocation 0x00000004 0x87FEF000 - 0x87FEFFFF
Memory Allocation 0x00000004 0x87FE7000 - 0x87FEEFFF
Memory Allocation 0x00000004 0x87FF0000 - 0x87FFFFFF
Memory Allocation 0x00000004 0x87FD7000 - 0x87FE6FFF
(...)
The default boot selection will start in  10 seconds
[1] Linux from SD
	- VenHw(B615F1F5-5088-43CD-809C-A16E52487D00)/HD(1,MBR,0x00000000,0x3F,0x19FC0)/zImage
	- Arguments: console=tty0 console=ttyS2,115200n8 root=UUID=a4af765b-c2b5-48f4-9564-7a4e9104c4f6 rootwait ro earlyprintk
	- LoaderType: 1
[2] EBL
[3] Boot Manager
Start:
  1. It should also be possible to boot EFI from USB using the following U-Boot commands:
OMAP3 beagleboard.org # usb reset
OMAP3 beagleboard.org # usb scan
OMAP3 beagleboard.org # fatload USB 0:1 80008000 BEAGLEBOARD_EFI.fd
OMAP3 beagleboard.org # go 80008000

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