On Wed, Mar 02, 2011 at 02:03:27PM +0100, Vanalme Filip wrote: > > -----Original Message----- > > From: Baruch Siach [mailto:baruch@xxxxxxxxxx] > > Sent: woensdag 2 maart 2011 11:46 > > To: Vanalme Filip > > Cc: barebox@xxxxxxxxxxxxxxxxxxx > > Subject: Re: booting linux > > > > Hi Vanalme, > > > > On Wed, Mar 02, 2011 at 11:31:31AM +0100, Vanalme Filip wrote: > > > > [snip] > > > > > Then I do : > > > > > > barebox:/ bootz /dev/nand0.kernel.bb > > > loaded zImage from /dev/nand0.kernel.bb with size 1777792 > > > commandline: console=ttymxc0,115200 ip=dhcp root=/dev/mtdblock7 > > rootfstype=jffs2 > > mtdparts=mxc_nand:256k(barebox)ro,128k(bareboxenv),5M(kernel),-(root) > > > arch_number: 1802 > > > Uncompressing > > Linux........................................................................................................................... done, > > booting the kernel. > > > > If your kernel is recent enough (2.6.33 or newer) try the following: > > > > 1. Enable EARLY_PRINTK in your .config > > > > 2. Add "earlyprintk" to your bootargs > > > > 3. Boot the kernel > > > > Post here what you see. > > [Filip] > Unfortunately, the kernel I use is version 2.6.22. But, no problem, I > got a kernel 2.6.38 version from one of my colleagues (who is porting > the kernel to our i.MX27PDK board). With EARLY_PRINTK enabled. First > time I tried to start the kernel, I got a message that machine types > of barebox and kernel did not match. In barebox, I'm using > MACH_TYPE_IMX27, while kernel is using MACH_TYPE_IMX27_3DS > (unfortunately, I did not capture the console output for that > attempt...). So I changed barebox to use also MACH_TYPE_IMX27_3DS > and............kernel boots ! It ends with a kernel panic, but it > boots ! I don't know if the incompatible machine code could also have > been the problem when I tried booting the 2.6.22. We will anyhow > continue working on porting the 2.6.38 to our board, so I think it's > no use to continue investigating the 2.6.22. I guess the 2.6.22 kernel is a Freescale kernel. These need system_rev to be set properly. Sascha -- 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
