v2011.12 hangs on boot on my dreamplug with:
U-Boot 2011.12-dirty (Jan 08 2012 - 15:16:44)
Marvell-DreamPlug
SoC: Kirkwood 88F6281_A1
DRAM: 512 MiB
WARNING: Caches not enabled
I bisected it down to:
commit ca4b55800ed74207c35271bf7335a092d4955416
Author: Heiko Schocher <h...@denx.de>
Date: Wed Nov 9 20:06:23 2011 +0000
arm, arm926ejs: always do cpu critical inits
always do the cpu critical inits in cpu_init_crit,
and only jump to lowlevel_init, if CONFIG_SKIP_LOWLEVEL_INIT
is not defined.
Signed-off-by: Heiko Schocher <h...@denx.de>
Cc: Albert ARIBAUD <albert.u.b...@aribaud.net>
Cc: Wolfgang Denk <h...@denx.de>
Cc: Sandeep Paulraj <s-paul...@ti.com>
Cc: Tom Rini <tom.r...@gmail.com>
Cc: Christian Riesch <christian.rie...@omicron.at>
and in particular the line
orr r0, r0, #0x00000002 /* set bit 2 (A) Align */
Commenting out just that one line causes things to work. Is the error
setting this bit or is it that there is a bug somewhere else which
prevents us setting this bit?
A different approach to the original patch was suggested in
http://lists.denx.de/pipermail/u-boot/2011-December/112353.html and I
suppose that combined with
s/CONFIG_SKIP_LOWLEVEL_INIT/CONFIG_SKIP_CPU_INIT_CRIT/g in the relevant
config files (at least include/configs/dreamplug.h, but perhaps
everywhere except whichever platform caused this change?) would fix
things.
Thanks,
Ian.
--
Ian Campbell
Q: How do you play religious roulette?
A: You stand around in a circle and blaspheme and see who gets
struck by lightning first.
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