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Re: guruplug notes

On 05/21/2010 02:38 AM, Daniel Kahn Gillmor wrote:
> I'm in the process of re-building the 2.6.32-13 package for kirkwood on
> the guruplug itself -- hopefully i can sort out how to boot from it soon
> (pointers welcome).

So i built the kernel package from 2.6.32-13 like this as a regular user:

 mkdir ~/src/linux
 cd ~/src/linux
 apt-get source linux-2.6/unstable
 cd linux-2.6-2.6.32/
 make -f debian/rules source
 fakeroot make -f debian/rules.gen binary-arch_armel_none_kirkwood

Then i installed the resulting package as the superuser:

 aptitude install initramfs-tools linux-base
 dpkg --install linux-image-2.6.32-5-kirkwood_2.6.32-13_armel.deb
 aptitude -f install

and generated a uBoot-friendly kernel and initramfs (thanks to Clint
Adams for helping me cargo-cult this):

 cd /boot
 mkimage -A arm -O linux -T kernel  -C none -a 0x00008000 \
  -e 0x00008000 -n Linux-2.6.32-2 -d vmlinuz-2.6.32-5-kirkwood uImage
 mkimage -A arm -O linux -T ramdisk -C gzip -a 0x00000000 \
  -e 0x00000000 -n initramfs -d initrd.img-2.6.32-5-kirkwood uInitrd

Then i stuck those on a local tftp server and tried booting it that way,
via the Marvell>> prompt for the bootloader:

  setenv serverip
  setenv ipaddr
  tftpboot 0x8000000 guru/uInitrd
  tftpboot 0x2000000 guru/uImage
  bootm 0x2000000 0x8000000

and i get the following output:

> Marvell>> bootm 0x2000000 0x8000000
> ## Booting kernel from Legacy Image at 02000000 ...
>    Image Name:   Linux-2.6.32-2
>    Image Type:   ARM Linux Kernel Image (uncompressed)
>    Data Size:    1444316 Bytes =  1.4 MB
>    Load Address: 00008000
>    Entry Point:  00008000
>    Verifying Checksum ... OK
> ## Loading init Ramdisk from Legacy Image at 08000000 ...
>    Image Name:   initramfs
>    Image Type:   ARM Linux RAMDisk Image (gzip compressed)
>    Data Size:    6722508 Bytes =  6.4 MB
>    Load Address: 00000000
>    Entry Point:  00000000
>    Verifying Checksum ... OK
>    Loading Kernel Image ... OK
> OK
> Starting kernel ...
> Uncompressing Linux... done, booting the kernel.
> Error: unrecognized/unsupported machine ID (r1 = 0x00000a29).
> Available machine support:
> ID (hex)      NAME
> 00000690      Marvell DB-88F6281-BP Development Board
> 00000691      Marvell RD-88F6192-NAS Development Board
> 00000692      Marvell RD-88F6281 Reference Board
> 00000a76      Marvell eSATA SheevaPlug Reference Board
> 00000831      Marvell SheevaPlug Reference Board
> 00000a63      Marvell GuruPlug Reference Board
> 0000085b      QNAP TS-119/TS-219
> 000009c6      QNAP TS-41x
> 00000915      Marvell OpenRD Base Board
> 00000939      Marvell OpenRD Client Board
> Please check your kernel config and/or bootloader.

So maybe the machine identifier in the guruplug patches is somehow
wrong, or doesn't account for the current system?

More notes on the way when i sort anything else out.


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