USB SPL boot should be able to override local SD card on panda

[Robie Basak]

I'd like to use USB booting to override the local SD card on my Pandaboard. This way, I will be able to do automated install testing and provisioning, even when the bootloader installation on the SD card is broken.

Currently, with u-boot-linaro-omap4-panda-splusb, USB boot works but uses the SD card's boot.scr. There does not appear to be a way to specify a different boot script than the embedded default, so if the SD card points to a kernel that is broken, USB booting always fails.

Is there any use case for USB booting to honour the SD's boot.scr?

I tried changing the embedded default boot script to skip out the mmc parts of CONFIG_BOOTCOMMAND if CONFIG_SPL_USB is set, and this seems to work.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: u-boot-linaro-omap4-panda-splusb 2012.01.1-ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-1405.7-omap4 3.2.1
Uname: Linux 3.2.0-1405-omap4 armv7l
ApportVersion: 1.91-0ubuntu1
Architecture: armhf
Date: Mon Feb 6 23:15:49 2012
Dependencies:

ProcEnviron:
 LANGUAGE=en_US:
 LC_COLLATE=C
 LANG=en_GB
 SHELL=/bin/bash
SourcePackage: u-boot-linaro
UpgradeStatus: No upgrade log present (probably fresh install)

[Ubuntu Foundations Team Bug Bot (crichton)]

The attachment "u-boot-linaro.debdiff" of this bug report has been identified as being a patch in the form of a debdiff. The ubuntu-sponsors team has been subscribed to the bug report so that they can review and hopefully sponsor the debdiff. In the event that this is in fact not a patch you can resolve this situation by removing the tag 'patch' from the bug report and editing the attachment so that it is not flagged as a patch. Additionally, if you are member of the ubuntu-sponsors team please also unsubscribe the team from this bug report.

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[Robie Basak (racb)]

This was fixed in u-boot-linaro (2012.02.2-ubuntu1) precise; urgency=low

  * Update to upstream 2012.02.2 u-boot-linaro

  [ John Rigby ]
  * SAUCE: Snowball: init serial later
  * MMC: arm_pl180_mmci: allow multiple devices
  * OMAP3 Beagle and OMAP4: add preEnv.txt support (LP: 932436)

  [ Rob Herring ]
  * net: allow setting env enetaddr from net device setting
  * net: add Calxeda xgmac driver
  * ARM: highbank: enable networking and pxe
  * ARM: highbank: Add boot counter support
  * ARM: highbank: add reset support
  * ARM: highbank: setup env from boot source register
  * ARM: highbank: change TEXT_BASE to 0x8000
  * ARM: highbank: add autoboot script files
  * ARM: highbank: fix us_to_tick calculation
  * ARM: highbank: update autoboot bootdelay value

  [ Jason Hobbs ]
  * configs/highbank.h: point at env in nvram
  * configs/highbank.h: correct the fdt_addr env variable

  [ Robie Basak ]
  * OMAP4: Force PXE booting when booting via spl-usb (LP: 927956)

 -- John Rigby <email address hidden> Thu, 16 Feb 2012 10:06:35 -0700