Difference between revisions of "Boot from USB using u-boot"

Revision as of 12:04, 16 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 below steps:

1) Build rootfs image using SamyGO OE Framework.

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.

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!

@@ Line 7: / Line 7: @@
 * TFTP daemon outside TV on some host in case using pen drive or optionaly in case disk drive
 * Builded rootfs image
+Follow below steps:
 ) Build rootfs image using [http://wiki.samygo.tv/index.php?title=SamyGO_OpenEmbedded SamyGO OE Framework].
@@ Line 14: / Line 16: @@
 ) Unpack rootfs image to linux partition on usb disk/pen drive.
-) Enable [http://wiki.samygo.tv/index.php?title=Enable_Serial_Console_on_non_CI%2B_Devices serial debug console].
+) Put kernel image to TFTP service directory.
+) Enable [http://wiki.samygo.tv/index.php?title=Enable_Serial_Console_on_non_CI%2B_Devices serial debug console].
 ) Enter u-boot [http://wiki.samygo.tv/index.php?title=Getting_access_to_uBoot_/_bootloader bootloader] prompt shell.
+) Set variables and execute commands in u-boot shell to boot linux kernel.
 '''Instruction is in progress!'''