From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bill Date: Mon, 06 Aug 2012 11:38:12 -0500 Subject: [U-Boot] U-boot not finding NAND chip on imx28EVK - Gives DMA read error In-Reply-To: References: <501FD608.2000606@techsi.com> Message-ID: <501FF2F4.30406@techsi.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Thanks. That did it - grabbed recent version and it works. Best, Bill On 8/6/2012 10:34 AM, Fabio Estevam wrote: > Bill, > > On Mon, Aug 6, 2012 at 11:34 AM, Bill wrote: >> All, >> >> I enabled my U-boot for NAND support for my imx28EVK and I get the >> following error when U-Boot starts: >> >> >> NAND: MXS NAND: Error sending command >> MXS NAND: Error sending command >> MXS NAND: DMA read error >> MXS NAND: DMA read error >> MXS NAND: Error sending command >> ... >> >> I am using U-boot version U-Boot 2012.07-rc1. I also have the NAND >> support enabled in /include/configs/mx28evk.h by adding CONFIG_CMD_NAND. >> The NAND chip I am using is: Micron MT29F1G08ABADA. > I have just tried the most recent u-boot-imx git, enabled > CONFIG_CMD_NAND in the mx28evk.h and the NAND is detected fine: > > U-Boot 2012.07-08388-g9ce4714-dirty (Aug 06 2012 - 12:26:16) > > CPU: Freescale i.MX28 rev1.2 at 454 MHz > BOOT: SSP SD/MMC #0, 3V3 > I2C: ready > DRAM: 128 MiB > NAND: 2048 MiB > MMC: MXS MMC: 0 > In: serial > Out: serial > Err: serial > Net: FEC0, FEC1 > Hit any key to stop autoboot: 0 > > MX28EVK U-Boot> nand info > > Device 0: nand0, sector size 256 KiB > Page size 2048 b > OOB size 64 b > Erase size 262144 b > MX28EVK U-Boot> > > The NAND I am using is K9LAG08U0M. > > Regards, > > Fabio Estevam -- William (Bill) L. Sousan, Ph.D. (w) 402.331.4977 ext. 4002 bsousan at techsi.com Technical Support Inc. 11253 John Galt Blvd Omaha, NE 68137 www.techsi.com 8(a) SDB Certified, ISO 9001:2008