Hello Simon, On Tue, 23 Dec 2014 12:04:50 -0700, Simon Glass <s...@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.b...@aribaud.net> Amicalement, -- Albert. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
