From: Huang Shijie <b32955@freescale.com> To: "Lothar Waßmann" <LW@KARO-electronics.de> 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 17:20:11 +0800 [thread overview] Message-ID: <4E71C34B.3050308@freescale.com> (raw) In-Reply-To: <20081.49563.934890.760378@ipc1.ka-ro> Hi, > 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. > ok. >> BTW:I tested the gpmi driver with SD card0. It works fine. >> > What exactly did you do in your test? I tested it with bonnie++. > Can you try the concurrent 'dd' commands that I used? not yet. I will test it right now. Huang Shijie > > Lothar Waßmann
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From: b32955@freescale.com (Huang Shijie) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v12 0/3] add the GPMI controller driver for IMX23/IMX28 Date: Thu, 15 Sep 2011 17:20:11 +0800 [thread overview] Message-ID: <4E71C34B.3050308@freescale.com> (raw) In-Reply-To: <20081.49563.934890.760378@ipc1.ka-ro> Hi, > 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. > ok. >> BTW:I tested the gpmi driver with SD card0. It works fine. >> > What exactly did you do in your test? I tested it with bonnie++. > Can you try the concurrent 'dd' commands that I used? not yet. I will test it right now. Huang Shijie > > Lothar Wa?mann
next prev parent reply other threads:[~2011-09-15 9:20 UTC|newest] Thread overview: 35+ 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 ` 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 ` 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 ` Huang Shijie 2011-09-08 2:47 ` [PATCH v12 3/3] MTD : add GPMI-NAND driver in the config and Makefile Huang Shijie 2011-09-08 2:47 ` Huang Shijie 2011-09-09 19:56 ` [PATCH v12 0/3] add the GPMI controller driver for IMX23/IMX28 Koen Beel 2011-09-09 19:56 ` Koen Beel 2011-09-11 10:31 ` Artem Bityutskiy 2011-09-11 10:31 ` Artem Bityutskiy 2011-09-12 4:34 ` Huang Shijie 2011-09-12 4:34 ` Huang Shijie 2011-09-15 7:55 ` Lothar Waßmann 2011-09-15 7:55 ` Lothar Waßmann 2011-09-15 8:26 ` Huang Shijie 2011-09-15 8:28 ` Huang Shijie 2011-09-15 8:28 ` Huang Shijie 2011-09-15 9:12 ` Lothar Waßmann 2011-09-15 9:12 ` Lothar Waßmann 2011-09-15 9:20 ` Huang Shijie [this message] 2011-09-15 9:20 ` Huang Shijie 2011-09-26 7:42 ` Huang Shijie 2011-09-26 7:42 ` Huang Shijie 2011-09-15 10:04 ` Huang Shijie 2011-09-15 10:04 ` Huang Shijie 2011-09-15 15:24 ` gianluca 2011-09-15 15:24 ` gianluca 2011-09-16 7:50 ` Lothar Waßmann 2011-09-16 7:50 ` Lothar Waßmann 2011-09-16 13:43 ` Lothar Waßmann 2011-09-16 13:43 ` Lothar Waßmann 2011-09-18 11:40 ` Huang Shijie 2011-09-18 11:40 ` Huang Shijie
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