[U-Boot] [PATCH 1/3] spl: add ymodem support

Mikhail Kshevetskiy mikhail.kshevetskiy at gmail.com
Wed Mar 7 00:46:49 CET 2012

On Tue, 6 Mar 2012 22:28:46 +0000
Laurence Withers <lwithers at guralp.com> wrote:

> On Wed, Mar 07, 2012 at 12:54:05AM +0400, Mikhail Kshevetskiy wrote:
> > We have an omap l138 based board without jtag and empty spi flash.
> > UART is an only way to load something on this board, so we are using
> > uart to load spl image u-boot and then we are using ymodem to load
> > the rest part of u-boot.
> Dear Mikhail,
> I am asking mainly out of curiousity, rather than giving feedback on the
> patch, but the OMAP-L138 boot ROM has the capability to load both SPL and
> U-Boot into empty SPI flash using the UART and sfh program or equivalent.
> (sfh is "serial flash host" for those following along, a program to talk to
> the boot ROM over the UART and download some code that the boot ROM can burn
> into SPI flash).
> What is the advantage in allowing the SPL to flash U-Boot also?

sfh and boot rom does not understand our flash.

> Many thanks, and bye for now,
> -- 
> Laurence Withers, <lwithers at guralp.com>                http://www.guralp.com/
> Direct tel:+447753988197 or tel:+443333408643               Software Engineer
> General support queries: <support at guralp.com>         CMG-DCM CMG-EAM CMG-NAM

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