[U-Boot] [PATCH] 0/12 Multiadapter/multibus I2C

Wolfgang Denk wd at denx.de
Tue Feb 17 13:30:32 CET 2009


Dear ksi at koi8.net,

In message <Pine.LNX.4.64ksi.0902162152530.27482 at home-gw.koi8.net> you wrote:
> 
> > It is not an unsolvable problem. We do have the global data structure,
> > and it has been (mis-) used for worse purposes before.
> 
> Not so fast... And remember, there are other similar interfaces that are
> waiting in the line (e.g. SPI...)

So what?

SPI is an even more exotic interface, with even less need to use it
ever before relocation to RAM. Let's not artificially construct new
problems when there are none.

> I personally do not think we should use that global data structure for such
> obscure purposes. And it must be writable for this to work.

"obscure purposes"? Hm... The global data structure was  created  for
this   very  purpose:  to  provide  writable  global  storage  before
relocation. 

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
Bradley's Bromide: If computers get too  powerful,  we  can  organize
them into a committee - that will do them in.


More information about the U-Boot mailing list