From: moinejf@free.fr (Jean-Francois Moine)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/3] mmc: sunxi: Set the 'New Timing' register for 8 bits DDR transfers
Date: Sat, 30 Jul 2016 07:20:02 +0200 [thread overview]
Message-ID: <20160730072002.4aec7254bca2d6ee2013ac0c@free.fr> (raw)
In-Reply-To: <20160729193634.GA27116@lukather>
On Fri, 29 Jul 2016 21:36:34 +0200
Maxime Ripard <maxime.ripard@free-electrons.com> wrote:
> On Thu, Jul 21, 2016 at 11:26:55AM +0200, Jean-Francois Moine wrote:
> > On Thu, 21 Jul 2016 10:56:15 +0200
> > Maxime Ripard <maxime.ripard@free-electrons.com> wrote:
> >
> > > On Wed, Jul 20, 2016 at 08:16:28PM +0200, Jean-Francois Moine wrote:
> > > > The 'new timing mode' with 8 bits DDR works correctly when the NewTiming
> > > > register is set.
> > >
> > > What does that mode brings to the table?
> >
> > From my tests, the eMMC of the Banana Pi M3 (A83T) cannot work when the
> > new mode is not used.
>
> That's odd. The one in the Pine64 seems to work just fine, and yet
> there's only the new mode on the A64.
I spent 2 weeks on this problem. You may try it by yourself.
--
Ken ar c'henta? | ** Breizh ha Linux atav! **
Jef | http://moinejf.free.fr/
next prev parent reply other threads:[~2016-07-30 5:20 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-21 6:28 [PATCH 0/3] mmc: sunxi: Changes in the host driver Jean-Francois Moine
2016-07-20 18:01 ` [PATCH 1/3] mmc: sunxi: Check the value returned by clk_round_rate Jean-Francois Moine
2016-07-21 8:49 ` Maxime Ripard
2016-07-20 18:16 ` [PATCH 2/3] mmc: sunxi: Set the 'New Timing' register for 8 bits DDR transfers Jean-Francois Moine
2016-07-21 8:56 ` Maxime Ripard
2016-07-21 9:26 ` Jean-Francois Moine
2016-07-29 19:17 ` Maxime Ripard
2016-07-30 5:18 ` Jean-Francois Moine
2016-07-30 10:19 ` [linux-sunxi] " Hans de Goede
2016-08-01 13:52 ` Jean-Francois Moine
2016-08-02 8:37 ` Hans de Goede
2016-07-29 19:36 ` Maxime Ripard
2016-07-30 5:20 ` Jean-Francois Moine [this message]
2016-07-20 18:28 ` [PATCH 3/3] mmc: sunxi: Add support to the Allwinner A83T Jean-Francois Moine
2016-07-21 8:58 ` Maxime Ripard
2016-07-21 9:18 ` Jean-Francois Moine
2016-07-22 19:00 ` Jean-Francois Moine
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