* Mark Jackson <mpfj-list@xxxxxxxxxx> [130122 05:46]: > On 22/01/13 13:32, Bedia, Vaibhav wrote: > > <snip> > > > Following works for me: > > > > Kernel > > === > > git checkout next-20130122 > > make distclean > > make omap2plus_defconfig > > <Enable the appended DTB related options via menuconfig> > > make -j7 > > cat arch/arm/boot/zImage arch/arm/boot/dts/am335x-bone.dtb > arch/arm/boot/zImage-dtb.am335x-bone > > mkimage -A arm -O linux -C none -T kernel -a 0x80008000 -e 0x80008000 -n 'Linux' -d arch/arm/boot/zImage-dtb.am335x-bone arch/arm/boot/uImage-dtb.am335x-bone > > > > U-Boot > > === > > Built from v2013.01 > > <snip> > > > A dumb question... in your case what's the bootargs set? Note that the mainline > > kernel for AM335x doesn't have MMC support yet and the default bootargs is set to > > rootfs on MMC. > > Yes ... I'm trying to boot from a rootfs on MMC:- > > Kernel command line: console=ttyO0,115200n8 earlyprintk debug root=/dev/mmcblk0p2 ro rootfstype=ext2 > rootwait > > But I should get *something* from the kernel before it starts trying to access the rootfs ? Here's something Kevin fixed but did not send it out before going to a vacation. Can you give it a try with earlyprintk enabled? Note that this does not help with no output early on, that sounds like a bug configuring the DEBUG_LL port somewhere. Regards, Tony From: Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx> Date: Tue, 15 Jan 2013 14:12:24 -0800 Subject: [PATCH] Fix omap_serial as module with debug_ll and earlyprintk Otherwise we can race with the earlyconsole getting turned off which can cause a non-booting system with earlyprintk enabled. [tony@xxxxxxxxxxx: updated description] Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx> --- Kevin, can I add your Signed-off-by to this one? --- a/arch/arm/mach-omap2/omap_device.c +++ b/arch/arm/mach-omap2/omap_device.c @@ -1298,4 +1298,4 @@ static int __init omap_device_late_init(void) bus_for_each_dev(&platform_bus_type, NULL, NULL, omap_device_late_idle); return 0; } -omap_late_initcall(omap_device_late_init); +late_initcall_sync(omap_device_late_init); -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
