[U-Boot] [PATCH 0/9] Remove use of gdata for global_data

[Albert ARIBAUD <albert.u.boot@aribaud.net>]

Hello Simon,

On Tue, 23 Dec 2014 12:04:50 -0700, Simon Glass <sjg@chromium.org>
wrote:
> Some ARM boards use global_data in SPL before it set up by crt0.S. To
> achieve this they use a separate global_data variable called gdata which
> resides in the data section. The one set up by crt0.S is generally ignored.
> 
> This prevents crt0.S from setting up things like the early malloc() pool.
> It therefore prevents driver model from being used in SPL.
> 
> However gdata really isn't needed. In fact lowlevel_init() is called just
> before board_init_f() so, for SPL at least, there is no point in doing
> anything before board_init_f(). The one slightly messy area is that SPL
> may want to move the stack from SRAM to SDRAM at some point. But this should
> be done at the end of board_init_f() (or before board_init_r() is called)
> and is not a reason to init DRAM before board_init_f().
> 
> It isn't that difficult to get rid of gdata. This series builds on Tom Rini's
> recent series for omap3, and extends it to the other offenders: imx, sunxi
> and zynq.
> 
> I have tested so far only on sunxi. This series is available at u-boot-dm
> branch 'gd-working'.

Overall series:

Acked-by: Albert ARIBAUD <albert.u.boot@aribaud.net>

Amicalement,
-- 
Albert.