From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <4E32823C.3060007@freescale.com> Date: Fri, 29 Jul 2011 17:49:48 +0800 From: Huang Shijie MIME-Version: 1.0 To: Koen Beel Subject: Re: [PATCH v8 0/3] add the GPMI controller driver for IMX23/IMX28 References: <1311230846-26437-1-git-send-email-b32955@freescale.com> <20110721215020.GA25344@pengutronix.de> <4E28EEE1.2050008@freescale.com> <20110722055731.GI26837@S2100-06.ap.freescale.net> <4E292FCF.6010608@freescale.com> <4E2F6F90.7030207@freescale.com> <20018.24364.787244.956361@ipc1.ka-ro> In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: quoted-printable Cc: arnd@arndb.de, dedekind1@gmail.com, Wolfram Sang , linux-mtd@lists.infradead.org, linux-arm-kernel@lists.infradead.org, shijie8@gmail.com, Shawn Guo , =?UTF-8?B?TG90aGFyIFdhw59tYW5u?= List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , =E4=BA=8E 2011=E5=B9=B407=E6=9C=8829=E6=97=A5 15:40, Koen Beel =E5=86=99=E9= =81=93: > Hi, > > On Fri, Jul 29, 2011 at 9:20 AM, Lothar Wa=C3=9Fmann wrote: >> Hi, >> >> Koen Beel writes: >>> Hi, >>> >>> I have test on mx23evk board. Still see the same issues. >>> >>> On Wed, Jul 27, 2011 at 3:53 AM, Huang Shijie = wrote: >>>> Hi, >>>> >>>> Thanks for your test. >>>> >>>>> Hi, >>>>> >>>>> It's not really working for me. >>>>> I've applied all gpmi-nand driver patches and the dma driver patche= s. >>>>> >>>>> I have added following kernel parameters: >>>>> mtdparts=3Dgpmi-nand:20m(boot),-(user) ubi.mtd=3D1 root=3Dubi0:root= fs0 >>>>> rootfstype=3Dubifs gpmi_debug_init >>>>> >>>>> During boot I get already get DMA timeout: >>>>> [ 2.560000] [ start_dma_without_bch_irq : 392 ] DMA timeout, las= t DMA >>>>> :1 >>>>> [ 3.560000] [ start_dma_with_bch_irq : 427 ] bch timeout!!! >>>>> ... >>>>> (see log file in attach line 89) >>> I still see this DMA timeout when booting. >>> What kernel parameters do you use? I still use same as above. >>> >> Do you have an SD card in the system? I'm getting the same error when >> accessing an SD card. Without SD card I can use the flash without any >> errors. > No SD card in the system. At least not on my mx23evk board. > My real target hardware has a SDIO wifi chip. Does it conflict with the GPMI? > Are you also testing on the mx23evk board? Really strange it is not > reproducible here then. > Anyone using mx23evk please give: I tested the code in mx23evk. After boot the kernel and login the shell, I met a problem: the flash_eraseall can not run with the log: "Floating point exception" :( > - revision number of board (I have tested on rev C1) Revision number is C. > - kernel parameter used (see previous mail for mine) > "console=3DttyAMA0,115200 root=3D/dev/mmcblk0p1 rw rootwait gpmi_debug_in= it" Best Regards Huang Shijie > Regards, > Koen > >> >> Lothar Wa=C3=9Fmann >> -- >> ___________________________________________________________ >> >> Ka-Ro electronics GmbH | Pascalstra=C3=9Fe 22 | D - 52076 Aachen >> Phone: +49 2408 1402-0 | Fax: +49 2408 1402-10 >> Gesch=C3=A4ftsf=C3=BChrer: Matthias Kaussen >> Handelsregistereintrag: Amtsgericht Aachen, HRB 4996 >> >> www.karo-electronics.de | info@karo-electronics.de >> ___________________________________________________________ >>