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From: Bin Meng <bmeng.cn@gmail.com>
To: u-boot@lists.denx.de
Subject: Loading u-boot binary from the u-boot command line
Date: Fri, 22 Jan 2021 22:32:59 +0800	[thread overview]
Message-ID: <CAEUhbmWLNOu6MWOfNGtRKzvqe78dKP+gtJL641FZwAWphH5gtg@mail.gmail.com> (raw)
In-Reply-To: <CADs3TdKHJco2R=977o4jqFfiZ--_bk4ULySrnp9tK6mrwGxX7g@mail.gmail.com>

On Fri, Jan 22, 2021 at 9:23 PM Amit Tomar <atomar25opensource@gmail.com> wrote:
>
> >
> > Can I load the modified u-boot binary from the currently running u-boot
> > command line?
> >
>
> Yes, U-boot supports chain loading.
>
> On host machine you can use ckermit[1] program to load U-boot image using
> serial or you can
> use tftp to load modified U-boot image at SYS_TEXT_BASE address.
> Once the image is loaded , you can bootm "SYS_TEXT_BASE".
>

I think this only works if SYS_TEXT_BASE is a RAM address, which is
mostly the case for boards that don't run U-Boot from NOR flash after
POR.

Regards,
Bin

      reply	other threads:[~2021-01-22 14:32 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-22  7:49 Loading u-boot binary from the u-boot command line scd rjcom
2021-01-22 13:23 ` Amit Tomar
2021-01-22 14:32   ` Bin Meng [this message]

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