On Thu, Feb 20, 2014 at 10:22 PM, Eric Nelson < [email protected]> wrote:
> Hi Baodong, > > > On 02/19/2014 09:41 PM, Baodong Chen wrote: > >> Hi Eric: >> Thanks for your reply. >> > > Please don't top-post! > > > All i want is to have a sdcard image which contains u-boot, kernel and >> rootfs all in it. >> > > And you get that with the stock image produced by Dora. Yes, the u-boot.imx located in build/tmp/deploy/images/nitrogen6x > > > I have written SD loader to NOR flash already. >> > > > >> So after bitbake, using the following two commands seems work for me, >> the u-boot is loaded by SD loader from NOR flash and kernel is loaded by >> u-boot. >> dd if=fsl-image-gui-nitrogen6x.sdcard of=/dev/sdb >> dd if=u-boot.imx of=/dev/sdb bs=512 seek=2 >> >> Am i right? or am i misunderstaning something? >> >> > Okay, here's where I drop out. > > The SABRE Lite and all Boundary Devices boards boot to SPI-NOR. > > If you're re-programming them with the SPI-to-SD-Loader, you're > explicitly stating that you know what you're doing. > > If you're over-riding that, you're probably either testing or > preparing for a custom design, and you **will** need to understand > how the image creation step in Yocto works. > I will hack https://github.com/Freescale/meta-fsl-arm/blob/dora/classes/image_types_fsl.bbclass > > All of the Freescale boards are already configured to do this, > so I'd recommend that you look at how that's done. > > Perhaps others on this list can offer guidance. > > If you get lost in the details, you can also just write a > post-installation script to create your SD card using the > parts provided in tmp/deploy/images/ instead of simply > using dd. > The u-boot.imx located in build/tmp/deploy/images/nitrogen6x, but the fsl-image-gui-nitrogen6x.sdcard file do not contain the u-boot.imx in it, as you said, uboot.imx default should in SPI NOR flash. so this is ok > > Regards, > > > Eric >
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