From: Dirk Behme <dirk.behme@googlemail.com>
To: Kevin Hilman <khilman@deeprootsystems.com>
Cc: linux-omap@vger.kernel.org
Subject: Re: [PATCH 0/5] extra module resets to ensure full-chip idle
Date: Thu, 27 Nov 2008 06:04:18 +0100 [thread overview]
Message-ID: <492E2A52.4030200@googlemail.com> (raw)
In-Reply-To: <1227744349-12118-1-git-send-email-khilman@deeprootsystems.com>
Kevin Hilman wrote:
> Various bootloaders have been known to leave modules in a state
> which prevents full-chip retention.
Does it make sense to check if
[PATCH 1/5] OMAP3: PM: HSMMC: force MMC module reset on boot
[PATCH 2/5] OMAP3: PM: Force IVA2 into idle during bootup
can be done in U-Boot, too? If yes, I would have a look to it.
Regards
Dirk
> This series forces
> MMC, IVA2 and D2D/modem into known reset/idle states so that
> the OMAP3 can hit full-chip idle.
>
> Tested on OMAP3 Beagle, and custom OMAP3 hardware.
>
> NOTE: this is similar to the set I posted for the PM branch
> but this series is rebased onto linux-omap and includes
> the MMC reset.
>
> Kevin Hilman (5):
> OMAP3: PM: HSMMC: force MMC module reset on boot
> OMAP3: PM: Force IVA2 into idle during bootup
> OMAP3: PM: Add D2D clocks and auto-idle setup to PRCM init
> OMAP3: PM: D2D clockdomain supports SW supervised transitions
> OMAP3: PM: Ensure modem is reset during PRCM init
>
> arch/arm/mach-omap2/clock34xx.h | 37 +++++++++++++-
> arch/arm/mach-omap2/clockdomains.h | 2 +-
> arch/arm/mach-omap2/cm-regbits-34xx.h | 14 +++++
> arch/arm/mach-omap2/devices.c | 76 +++++++++++++++++++++++++++++
> arch/arm/mach-omap2/pm34xx.c | 65 ++++++++++++++++++++++++-
> arch/arm/plat-omap/include/mach/control.h | 5 ++
> 6 files changed, 195 insertions(+), 4 deletions(-)
>
> --
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>
next prev parent reply other threads:[~2008-11-27 5:04 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-27 0:05 [PATCH 0/5] extra module resets to ensure full-chip idle Kevin Hilman
2008-11-27 0:05 ` [PATCH 1/5] OMAP3: PM: HSMMC: force MMC module reset on boot Kevin Hilman
2008-11-27 0:05 ` [PATCH 2/5] OMAP3: PM: Force IVA2 into idle during bootup Kevin Hilman
2008-11-27 0:05 ` [PATCH 3/5] OMAP3: PM: Add D2D clocks and auto-idle setup to PRCM init Kevin Hilman
2008-11-27 0:05 ` [PATCH 4/5] OMAP3: PM: D2D clockdomain supports SW supervised transitions Kevin Hilman
2008-11-27 0:05 ` [PATCH 5/5] OMAP3: PM: Ensure modem is reset during PRCM init Kevin Hilman
2008-11-27 0:25 ` [PATCH 1/5] OMAP3: PM: HSMMC: force MMC module reset on boot Tony Lindgren
2008-11-27 5:04 ` Dirk Behme [this message]
2008-11-27 5:14 ` [PATCH 0/5] extra module resets to ensure full-chip idle Kevin Hilman
2008-11-27 9:02 ` Koen Kooi
2008-11-30 5:10 ` Kevin Hilman
2008-12-01 7:42 ` Paul Walmsley
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