From: "Lothar Waßmann" <LW@KARO-electronics.de>
To: Huang Shijie <b32955@freescale.com>
Cc: dedekind1@gmail.com, koen.beel.barco@gmail.com,
w.sang@pengutronix.de, marek.vasut@gmail.com,
linux-mtd@lists.infradead.org, shijie8@gmail.com,
s.hauer@pengutronix.de, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v12 0/3] add the GPMI controller driver for IMX23/IMX28
Date: Thu, 15 Sep 2011 11:12:59 +0200 [thread overview]
Message-ID: <20081.49563.934890.760378@ipc1.ka-ro> (raw)
In-Reply-To: <4E71B741.7010907@freescale.com>
Hi,
Huang Shijie writes:
> Hi,
> add more CC.
> > Hi,
> >
> > Huang Shijie writes:
> >> The patch set is based on Artem's tree:
> >> http://git.infradead.org/users/dedekind/l2-mtd-2.6.git
> >>
> >> The general-purpose media interface(GPMI) controller is a flexible interface
> >> to up to several NAND flashs.
> >>
> >> The Bose Ray-Choudhury Hocquenghem(BCH) module is a hardware ECC accelerator.
> >>
> >> With the help of BCH, the GPMI controller can choose to do the hardware ECC or
> >> not.
> >>
> >> This driver is a _pure_ MTD NAND controller driver now.
> >>
> >>
> >> The driver depends on another GPMI-NAND device patch set, you can find them at :
> >> [1] http://marc.info/?l=linux-arm-kernel&m=131416901319573&w=2
> >> [2] http://marc.info/?l=linux-arm-kernel&m=131416912319668&w=2
> >> [3] http://marc.info/?l=linux-arm-kernel&m=131416891119504&w=2
> >> [4] http://marc.info/?l=linux-arm-kernel&m=131416896219539&w=2
> >>
> >> Test environment:
> >> Using imx23 and imx28 boards for test.
> >>
> >> imx23 :
> >> console=ttyAMA0,115200 mtdparts=gpmi-nfc:20m(boot),-(user)
> >> Tested by USB boot and NAND boot.
> >>
> >> imx28 :
> >> #console=ttyAMA0,115200 root=/dev/mmcblk0p3 rw rootwait
> >> Tested by SD card boot mode.
> >>
> > How did you perform your tests?
> >
> > I tried this driver on our TX28 board with the result that with
> The nand conflicats with SD card1. You will get the DMA timeout if you
> use it.
> Do you use sd card0 or sd card1?
>
I'm using the SSP0 port.
> BTW:I tested the gpmi driver with SD card0. It works fine.
>
What exactly did you do in your test?
Can you try the concurrent 'dd' commands that I used?
Lothar Waßmann
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next prev parent reply other threads:[~2011-09-15 9:12 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-08 2:47 [PATCH v12 0/3] add the GPMI controller driver for IMX23/IMX28 Huang Shijie
2011-09-08 2:47 ` [PATCH v12 1/3] MTD : add the common code for GPMI-NAND controller driver Huang Shijie
2011-09-08 2:47 ` [PATCH v12 2/3] MTD : add helper functions library and header files for GPMI NAND driver Huang Shijie
2011-09-08 2:47 ` [PATCH v12 3/3] MTD : add GPMI-NAND driver in the config and Makefile Huang Shijie
2011-09-09 19:56 ` [PATCH v12 0/3] add the GPMI controller driver for IMX23/IMX28 Koen Beel
2011-09-11 10:31 ` Artem Bityutskiy
2011-09-12 4:34 ` Huang Shijie
2011-09-15 7:55 ` Lothar Waßmann
2011-09-15 8:28 ` Huang Shijie
2011-09-15 9:12 ` Lothar Waßmann [this message]
2011-09-15 9:20 ` Huang Shijie
2011-09-26 7:42 ` Huang Shijie
2011-09-15 10:04 ` Huang Shijie
2011-09-15 15:24 ` gianluca
2011-09-16 7:50 ` Lothar Waßmann
2011-09-16 13:43 ` Lothar Waßmann
2011-09-18 11:40 ` Huang Shijie
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