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From: Tom Rini <trini@konsulko.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 2/2] mx6slevk: imximage.cfg: update to fix tINIT3 and tIH-CA violations
Date: Sun, 3 Apr 2016 14:06:05 -0400	[thread overview]
Message-ID: <20160403180605.GL23166@bill-the-cat> (raw)
In-Reply-To: <57015156.7000902@denx.de>

On Sun, Apr 03, 2016 at 07:22:30PM +0200, Stefano Babic wrote:
> 
> 
> On 01/04/2016 23:54, Tom Rini wrote:
> > Having had a similar board and memory part under logic analyzer, a
> > tINIT3 violation was measured.  The fix was involved keeping tXPR and
> > SDE_to_RST at the power-on defaults and setting RST_to_CKE the JEDEC
> > value for LPDDR2.  There was also a tIH-CA violation and this was
> > resolved by writing the default value in rather than what the script
> > here uses.
> > 
> > Cc: Fabio Estevam <fabio.estevam@nxp.com>
> > Cc: Peng Fan <peng.fan@nxp.com>
> > Signed-off-by: Tom Rini <trini@konsulko.com>
> > ---
> >  board/freescale/mx6slevk/imximage.cfg |    4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/board/freescale/mx6slevk/imximage.cfg b/board/freescale/mx6slevk/imximage.cfg
> > index 16ea597..c77bbde 100644
> > --- a/board/freescale/mx6slevk/imximage.cfg
> > +++ b/board/freescale/mx6slevk/imximage.cfg
> > @@ -70,7 +70,7 @@ DATA 4 0x020e05d0 0x00080000
> >  DATA 4 0x021b001c 0x00008000
> >  DATA 4 0x021b085c 0x1b4700c7
> >  DATA 4 0x021b0800 0xa1390003
> > -DATA 4 0x021b0890 0x00300000
> > +DATA 4 0x021b0890 0x00400000
> >  DATA 4 0x021b08b8 0x00000800
> >  DATA 4 0x021b081c 0x33333333
> >  DATA 4 0x021b0820 0x33333333
> > @@ -92,7 +92,7 @@ DATA 4 0x021b0010 0x00100A82
> >  DATA 4 0x021b0014 0x00000093
> >  DATA 4 0x021b0018 0x00001688
> >  DATA 4 0x021b002c 0x0f9f26d2
> > -DATA 4 0x021b0030 0x0000020e
> > +DATA 4 0x021b0030 0x009f0e10
> >  DATA 4 0x021b0038 0x00190778
> >  DATA 4 0x021b0008 0x00000000
> >  DATA 4 0x021b0040 0x0000004f
> 
> Applied to u-boot-imx, thanks !

OK.  But per 0/2 the SPL versions are out of sync and someone should
take care of that :)

-- 
Tom
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  reply	other threads:[~2016-04-03 18:06 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-01 21:54 [U-Boot] [PATCH 0/2] i.MX6 LPDDR2 fixes Tom Rini
2016-04-01 21:54 ` [U-Boot] [PATCH 1/2] mx6qarm2: imximage_mx6dl.cfg update to fix tINIT3 violation Tom Rini
2016-04-03 17:22   ` Stefano Babic
2016-04-01 21:54 ` [U-Boot] [PATCH 2/2] mx6slevk: imximage.cfg: update to fix tINIT3 and tIH-CA violations Tom Rini
2016-04-01 23:58   ` Fabio Estevam
2016-04-03 17:22   ` Stefano Babic
2016-04-03 18:06     ` Tom Rini [this message]
2016-04-05  8:53       ` Peng Fan
2016-04-05 13:43         ` Tom Rini
2016-04-05 14:01           ` Stefano Babic
2016-04-06  4:45           ` Peng Fan

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