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(parent: 9fb9741) | patch
OMAP2/3 SDRC: don't set SDRC_POWER.PWDENA on boot
authorPaul Walmsley <paul@pwsan.com>
Sat, 25 Jul 2009 01:44:01 +0000 (19:44 -0600)
committerpaul <paul@twilight.(none)>
Sat, 25 Jul 2009 01:44:01 +0000 (19:44 -0600)
commit75f251e3d0803b028f3474fdc75be0994c377ab5
treefde30e84a66fad4852d6c18131bc260afecc5b7btree | snapshot
parent9fb97412c3be5d0d1dd0e9d7c5268469e4c942aacommit | diff
OMAP2/3 SDRC: don't set SDRC_POWER.PWDENA on boot

Stop setting SDRC_POWER.PWDENA on boot.  There is a nasty erratum
(34xx erratum 1.150) that can cause memory corruption if PWDENA is
enabled.

Based originally on a patch from Samu P. Onkalo <samu.p.onkalo@nokia.com>.

Tested on BeagleBoard rev C2.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Samu P. Onkalo <samu.p.onkalo@nokia.com>
arch/arm/mach-omap2/sdrc.c diff | blob | history
arch/arm/mach-omap2/sram34xx.S diff | blob | history
John Crispins staging tree