Difference between revisions of "Boot from USB using u-boot"
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1) Build rootfs image using [http://wiki.samygo.tv/index.php?title=SamyGO_OpenEmbedded SamyGO OE Framework]. | 1) Build rootfs image using [http://wiki.samygo.tv/index.php?title=SamyGO_OpenEmbedded SamyGO OE Framework]. | ||
| − | Builded rootfs image | + | Builded rootfs image is located in '''build/tmp/deploy/images''' directory. Filename looks like '''rootfs-sdp83-xxxxxxx.tar.gz'''. |
2) Partition usb disk/pen drive. | 2) Partition usb disk/pen drive. | ||
Revision as of 06:09, 17 March 2010
Note: This instruction apply only to LExxB65x, LExxB75x, PSxxB65x TV series with CI only supported devices
Requirements:
- Serial connection
- Usb disk drive or pen drive (at least 256MB)
- TFTP daemon outside TV on some host in case using pen drive or optionaly in case disk drive
- Builded rootfs image
Follow steps:
1) Build rootfs image using SamyGO OE Framework.
Builded rootfs image is located in build/tmp/deploy/images directory. Filename looks like rootfs-sdp83-xxxxxxx.tar.gz.
2) Partition usb disk/pen drive.
3) Unpack rootfs image to linux partition on usb disk/pen drive.
4) Put kernel image to TFTP service directory.
5) Enable serial debug console.
6) Enter u-boot bootloader prompt shell.
7) Set variables and execute commands in u-boot shell to boot linux kernel.
Instruction is in progress!
