On Wed, Nov 6, 2013 at 9:29 AM, Jason Kridner <[email protected]> wrote:
> Robert,
>
> I'm starting with the kernel at
> http://github.com/beagleboard/kernel/tree/3.12. I've pushed a patched
> version of the tree to http://github.com/beagleboard/linux/tree/3.12.
>
> To build the kernel, I'm using buildroot via
> http://github.com/jadonk/buildroot/tree/latest.
>
> make beaglebone_config
> make
>
> I'm booting the MLO and u-boot.img that are in the buildroot
> output/images. I then try the following:
>
> U-Boot SPL 2013.07 (Oct 30 2013 - 09:44:19)
> musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, HB-ISO Rx, HB-ISO Tx, SoftConn)
> musb-hdrc: MHDRC RTL version 2.0
> musb-hdrc: setup fifo_mode 4
> musb-hdrc: 28/31 max ep, 16384/16384 memory
> USB Peripheral mode controller at 47401000 using PIO, IRQ 0
> musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, HB-ISO Rx, HB-ISO Tx, SoftConn)
> musb-hdrc: MHDRC RTL version 2.0
> musb-hdrc: setup fifo_mode 4
> musb-hdrc: 28/31 max ep, 16384/16384 memory
> USB Host mode controller at 47401800 using PIO, IRQ 0
> OMAP SD/MMC: 0
> reading args
> spl: error reading image args, err - -1
> reading u-boot.img
> reading u-boot.img
>
>
> U-Boot 2013.07 (Oct 30 2013 - 09:44:19)
>
> I2C: ready
> DRAM: 512 MiB
> WARNING: Caches not enabled
> NAND: 0 MiB
> MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1
> *** Warning - readenv() failed, using default environment
>
> musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, HB-ISO Rx, HB-ISO Tx, SoftConn)
> musb-hdrc: MHDRC RTL version 2.0
> musb-hdrc: setup fifo_mode 4
> musb-hdrc: 28/31 max ep, 16384/16384 memory
> USB Peripheral mode controller at 47401000 using PIO, IRQ 0
> musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, HB-ISO Rx, HB-ISO Tx, SoftConn)
> musb-hdrc: MHDRC RTL version 2.0
> musb-hdrc: setup fifo_mode 4
> musb-hdrc: 28/31 max ep, 16384/16384 memory
> USB Host mode controller at 47401800 using PIO, IRQ 0
> Net: <ethaddr> not set. Validating first E-fuse MAC
> cpsw, usb_ether
> Hit any key to stop autoboot: 0
> U-Boot#
> U-Boot# run findfdt
> U-Boot# setenv bootargs console=${console}
> U-Boot# load mmc 0 0x80007fc0 uImage
> reading uImage
> 34759872 bytes read in 3941 ms (8.4 MiB/s)
> U-Boot# load mmc 0 0x82ff8000 ${fdtfile}
> reading am335x-boneblack.dtb
> 18465 bytes read in 9 ms (2 MiB/s)
> U-Boot# bootm 0x80007fc0 - 0x82ff8000
Hum, I actually haven't tested "bootm" in some time, I'll test it right now...
Here's what i'm seeing with "bootz 0x80200000
0x81000000:${initrd_size} 0x815f0000" (intrd is basically ignored as
it's 3.8.x based..)
http://pastebin.com/LdiemVK3
> ## Booting kernel from Legacy Image at 80007fc0 ...
> Image Name: Linux-3.12.0
> Image Type: ARM Linux Kernel Image (uncompressed)
> Data Size: 34759808 Bytes = 33.1 MiB
> Load Address: 80008000
> Entry Point: 80008000
> Verifying Checksum ... OK
> ## Flattened Device Tree blob at 82ff8000
> Booting using the fdt blob at 0x82ff8000
> XIP Kernel Image ... OK
> Using Device Tree in place at 82ff8000, end 82fff820
>
> Starting kernel ...
>
>
> Error: unrecognized/unsupported machine ID (r1 = 0x00000e05).
>
> Available machine support:
>
> ID (hex) NAME
> ffffffff Generic DT based system
> ffffffff Generic OMAP4 (Flattened Device Tree)
> ffffffff Generic AM33XX (Flattened Device Tree)
> ffffffff Generic OMAP3-GP (Flattened Device Tree)
> ffffffff Generic OMAP36xx (Flattened Device Tree)
> ffffffff Generic OMAP3 (Flattened Device Tree)
> 0000060a OMAP3 Beagle Board
> 00000a9d IGEP OMAP3 module
> 00000928 IGEP v2 board
>
>
> Any idea why my .dtb isn't getting picked up?
Regards,
--
Robert Nelson
http://www.rcn-ee.com/
--
For more options, visit http://beagleboard.org/discuss
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