From: b32955@freescale.com (Huang Shijie) Date: Fri, 29 Jul 2011 17:49:48 +0800 Subject: [PATCH v8 0/3] add the GPMI controller driver for IMX23/IMX28 In-Reply-To: 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> Message-ID: <4E32823C.3060007@freescale.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org ? 2011?07?29? 15:40, Koen Beel ??: > Hi, > > On Fri, Jul 29, 2011 at 9:20 AM, Lothar Wa?mann 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 patches. >>>>> >>>>> I have added following kernel parameters: >>>>> mtdparts=gpmi-nand:20m(boot),-(user) ubi.mtd=1 root=ubi0:rootfs0 >>>>> rootfstype=ubifs gpmi_debug_init >>>>> >>>>> During boot I get already get DMA timeout: >>>>> [ 2.560000] [ start_dma_without_bch_irq : 392 ] DMA timeout, last 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=ttyAMA0,115200 root=/dev/mmcblk0p1 rw rootwait gpmi_debug_init" Best Regards Huang Shijie > Regards, > Koen > >> >> Lothar Wa?mann >> -- >> ___________________________________________________________ >> >> Ka-Ro electronics GmbH | Pascalstra?e 22 | D - 52076 Aachen >> Phone: +49 2408 1402-0 | Fax: +49 2408 1402-10 >> Gesch?ftsf?hrer: Matthias Kaussen >> Handelsregistereintrag: Amtsgericht Aachen, HRB 4996 >> >> www.karo-electronics.de | info at karo-electronics.de >> ___________________________________________________________ >>