> -----Original Message----- > From: Sascha Hauer [mailto:s.hauer@xxxxxxxxxxxxxx] > Sent: vrijdag 4 maart 2011 9:30 > To: Vanalme Filip > Cc: barebox@xxxxxxxxxxxxxxxxxxx > Subject: Re: bootargs > > On Fri, Mar 04, 2011 at 09:18:26AM +0100, Vanalme Filip wrote: > > > > I think it might have something to do with the BI-swapping issue. The > > BI-swapping is, as far as I know, not yet implemented in the kernel's > > NAND driver. So, if I flash the rootfs with Barebox (doing the > > BI-swap) and then read the rootfs from within the kernel (not doing > > the BI-swap), I will for sure have problem... > > Using 2k NAND flash on the i.MX27 will most likely lead to problems... > > > > > Remarkable : the Linux version I use is a version we downloaded from > > Freescale's git repositry. In this version, we could select the > > i.MX27PDK board. However, that board's code is obviously not > > registering the NAND flash driver... knowing that the i.MX27PDK only > > contains NAND-flash, this is very weird... > > Normally we do root over nfs during development, so this is not very > surprising. As Freescale does not support the i.MX27 anymore the > i.MX27PDK support in FSLs git kernel is probably identical to mainline. > > Sascha > [Filip] I implemented the BI-swapping in mxc_nand.c (analogous to the implementation in Barebox's mxc_nand.c). With success. The kernel can now mount the root filesystem from NAND flash and ends with a prompt. Filip > -- > Pengutronix e.K. | | > Industrial Linux Solutions | http://www.pengutronix.de/ | > Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | > Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
