All of lore.kernel.org
 help / color / mirror / Atom feed
From: Marek Vasut <marek.vasut@gmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] Loading kernel from usb
Date: Mon, 26 Mar 2012 04:04:45 +0200	[thread overview]
Message-ID: <201203260404.46149.marek.vasut@gmail.com> (raw)
In-Reply-To: <SNT112-W2847057EE6B19254BFBC479F450@phx.gbl>

Dear Calvin Boyd,

* please always CC the mailing list!
* please avoid top-posting!

> Dear Marek Vasut,
> 
> I tried using the CONFIG_CMD_USB to enable the use of the usb commands from
> the u-boot command prompt. However, I am getting compilation errors:
> 
> drivers/usb/host/libusb_host.a(ehci-hcd.o): In function
> `usb_lowlevel_init': ehci-hcd.c:(.text+0x5d4): undefined reference to
> `ehci_hcd_init'
> drivers/usb/host/libusb_host.a(ehci-hcd.o): In function
> `usb_lowlevel_stop': ehci-hcd.c:(.text+0x850): undefined reference to
> `ehci_hcd_stop'
> make: *** [u-boot] Error 1

You also need to enable driver for your USB host controller.

> 
> Regards,
> Calvin Boyd
> 
> > From: marek.vasut at gmail.com
> > To: u-boot at lists.denx.de
> > Subject: Re: [U-Boot] Loading kernel from usb
> > Date: Sun, 25 Mar 2012 01:41:30 +0100
> > CC: calvin_boyd at hotmail.com
> > 
> > Dear Calvin Boyd,
> > 
> > > I am currently working on a project and I am trying to load the kernel
> > > from usb instead of an sd card.  How do you configure u-boot to
> > > support usb commands?
> > 
> > Why don't you attempt to please read the documentation first? Try
> > "CONFIG_CMD_USB" for starters.
> > 
> > Best regards,
> > Marek Vasut

Best regards,
Marek Vasut

      parent reply	other threads:[~2012-03-26  2:04 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-24  0:30 [U-Boot] Loading kernel from usb Calvin Boyd
2012-03-25  0:41 ` Marek Vasut
     [not found]   ` <SNT112-W2847057EE6B19254BFBC479F450@phx.gbl>
2012-03-26  2:04     ` Marek Vasut [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=201203260404.46149.marek.vasut@gmail.com \
    --to=marek.vasut@gmail.com \
    --cc=u-boot@lists.denx.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.