README.hardware: update with Texas Instruments Beaglebone instructions
Replaces outdated Beagleboard instructions with Beaglebone Black (and White). (From meta-yocto rev: 283b51b0149f7e5838bd1c8465451897baf0bf44) Signed-off-by: Denys Dmytriyenko <denys@ti.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Denys Dmytriyenko
Richard Purdie
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@ -46,6 +46,7 @@ Hardware Reference Boards
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The following boards are supported by the meta-yocto-bsp layer:
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* Texas Instruments Beaglebone (beaglebone)
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* Freescale MPC8315E-RDB (mpc8315e-rdb)
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For more information see the board's section below. The appropriate MACHINE
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@ -179,6 +180,83 @@ USB Device:
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http://git.kernel.org/?p=boot/syslinux/syslinux.git;a=blob_plain;f=doc/usbkey.txt;hb=HEAD
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Texas Instruments Beaglebone (beaglebone)
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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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as root, replacing mmcblk0* with the SD card device on your machine (such as sdc
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if used via a usb card reader):
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1. Partition and format an SD card:
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# fdisk -lu /dev/mmcblk0
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Disk /dev/mmcblk0: 3951 MB, 3951034368 bytes
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255 heads, 63 sectors/track, 480 cylinders, total 7716864 sectors
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Units = sectors of 1 * 512 = 512 bytes
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Device Boot Start End Blocks Id System
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/dev/mmcblk0p1 * 63 144584 72261 c Win95 FAT32 (LBA)
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/dev/mmcblk0p2 144585 465884 160650 83 Linux
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# mkfs.vfat -F 16 -n "boot" /dev/mmcblk0p1
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# mke2fs -j -L "root" /dev/mmcblk0p2
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The following assumes the SD card partitions 1 and 2 are mounted at
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/media/boot and /media/root respectively. Removing the card and reinserting
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it will do just that on most modern Linux desktop environments.
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The files referenced below are made available after the build in
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build/tmp/deploy/images.
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2. Install the boot loaders
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# cp MLO-beaglebone /media/boot/MLO
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# cp u-boot-beaglebone.img /media/boot/u-boot.img
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3. Install the root filesystem
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# tar x -C /media/root -f core-image-$IMAGE_TYPE-beaglebone.tar.bz2
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4. If using core-image-base or core-image-sato images, the SD card is ready
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and rootfs already contains the kernel, modules and device tree (DTB)
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files necessary to be booted with U-boot's default configuration, so
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skip directly to step 8.
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For core-image-minimal, proceed through next steps.
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5. If using core-image-minimal rootfs, install the modules
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# tar x -C /media/root -f modules-beaglebone.tgz
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6. If using core-image-minimal rootfs, install the kernel uImage into /boot
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directory of rootfs
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# cp uImage-beaglebone.bin /media/root/boot/uImage
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7. If using core-image-minimal rootfs, also install device tree (DTB) files
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into /boot directory of rootfs
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# cp uImage-am335x-bone.dtb /media/root/boot/am335x-bone.dtb
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# cp uImage-am335x-boneblack.dtb /media/root/boot/am335x-boneblack.dtb
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8. Unmount the SD partitions, insert the SD card into the Beaglebone, and
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boot the Beaglebone
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Freescale MPC8315E-RDB (mpc8315e-rdb)
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=====================================
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