[U-Boot-Users] Uncompressing kernel ..... OK (Hangs here)

[Brian Waite <waite@skycomputers.com>]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Another good idea is to look at the log_buf in memory. 
# grep log_buf System.map

in your JTAG debugger, start dumping from this address. You should see 
everything you ecpect to see on the console.

Thanks
Brian
On Wednesday 10 September 2003 11:35 am, James Bates wrote:
> Hi All,
>
> I have now managed to get the image to be read in and kernel image
> uncompressed etc. I am getting the problem where it hangs after
> Uncompression though. My previous issue with Bad Magic Number errors was
> due to the compilation of the mkimage tool. It was producing images with
> the wrong endianness in the header. Not sure if this may still be my
> problem tho
>
> :)
>
> I have tried both settings of clocks_in_mhz and have made sure that I
> copied u-boot.h from uboot to ppcboot.h in Linux. I have made sure that
> IMAP_ADDR is correct but I still get the same thing, just hangs after
> uncompression. I am totally stumped.
>
> My board is an adaptation of the MPC8260ADS. I am using BlueCat 4.0 and
> u-boot 4.8 (tried 4.0 and 4.7) etc and have tried booting both the uImage
> and kdi files (after turning them into u-boot images with mkimgage).
>
> Here is a print out with extra debug info when trying a kdi image called
> Q319.img:
> ---------------------------------------------------------------------------
>- --------------
>
> => tftpboot 100000 Q319.img
> Trying FCC2 ETHERNET
> TFTP from server 192.168.1.1; our IP address is 192.168.1.2
> Filename 'Q319.img'.
> Load address: 0x100000
> Loading: #################################################################
>          #################################################################
>          #################################################################
>          #################################################################
>          #################################################################
>          #################################################################
>          #################################################################
>          #################################################################
>          #################################################################
>          #################################################################
>          #############################################################
> done
> Bytes transferred = 3637824 (378240 hex)
> => bootm
> common/cmd_bootm.c      before attempting to boot an image
> ## Booting image at 00100000 ...
> common/cmd_bootm.c      Image header has correct magic number
> common/cmd_bootm.c      Image header has correct checksum
>    Image Name:   Linux Kernel Image
>    Image Type:   PowerPC LynxOS Kernel Image (uncompressed)
>    Data Size:    3637760 Bytes =  3.5 MB
>    Load Address: 00500000
>    Entry Point:  00507000
>    Verifying Checksum ... OK
> common/cmd_bootm.c      Image data   has correct checksum
> common/cmd_bootm.c      Architecture check OK
> common/cmd_bootm.c      Image Type check OK
> OK
> common/cmd_bootm.c      Uncompression OK
> common/cmd_bootm.c      Image Type check OK
> Booting Bluecat KDI ...
> loaded at:     00507000 005121DC
> zimage at:     0050D000 0057366C
> initrd at:     00575000 00878200
> relocated to:  00576000 00879200
> avail ram:     0087A000 04000000
>
> Linux/PPC load: root=/dev/ram root=/dev/ram rw ramdisk_size=28472 hda=bswap
> hdb=bswap hdc=bswap hdd=bswap root=101
> Uncompressing Linux...done.
> Now booting the kernel
>
> (Hangs here)
>
> ---------------------------------------------------------------------------
>- ----------------
>
> Another example which does not use a kdi image but simply takes a mkimaged
> zipped vmlinux file as follows.
>
>
> => tftpboot 100000 uImage
> Trying FCC2 ETHERNET
> TFTP from server 192.168.1.1; our IP address is 192.168.1.2
> Filename 'uImage'.
> Load address: 0x100000
> Loading: #################################################################
>          #################
> done
> Bytes transferred = 419502 (666ae hex)
> => bootm
> common/cmd_bootm.c      before attempting to boot an image
> ## Booting image at 00100000 ...
> common/cmd_bootm.c      Image header has correct magic number
> common/cmd_bootm.c      Image header has correct checksum
>    Image Name:   Linux Kernel Image
>    Image Type:   PowerPC Linux Kernel Image (gzip compressed)
>    Data Size:    419438 Bytes = 409.6 kB
>    Load Address: 00000000
>    Entry Point:  00000000
>    Verifying Checksum ... OK
> common/cmd_bootm.c      Image data   has correct checksum
> common/cmd_bootm.c      Architecture check OK
> common/cmd_bootm.c      Image Type check OK
>    Uncompressing Kernel Image ... OK
> common/cmd_bootm.c      Uncompression OK
> common/cmd_bootm.c      Image Type check OK
> ## Current stack ends at 0x03F6CBD8 => set upper limit to 0x00800000
> ## cmdline at 0x007FFF00 ... 0x007FFF10
> bd address  = 0x03F6CFB4
> memstart    = 0x00000000
> memsize     = 0x04000000
> flashstart  = 0xFE000000
> flashsize   = 0x7FCFFFF7
> flashoffset = 0x0002E000
> sramstart   = 0x00000000
> sramsize    = 0x00000000
> immr_base   = 0xFA200000
> bootflags   = 0x00000001
> vco         = 266.666 MHz
> sccfreq     = 66.666 MHz
> brgfreq     = 66.666 MHz
> intfreq     = 199.999 MHz
> cpmfreq     = 133.333 MHz
> busfreq     = 66.666 MHz
> ethaddr     = 00:00:00:10:18:82
> IP addr     = 192.168.1.2
> baudrate    = 115200 bps
> common/cmd_bootm.c      No initial ramdisk, no multifile, continue.
> No initrd
> ## Transferring control to Linux (at address 00000000) ...
> common/cmd_bootm.c      All preparation done, transferring control to OS
> (hangs here)
>
>
> Any ideas anyone? You help is much appreciated.
>
> Regards,
>
> James Bates
>
>
> PS: Apologies for this signature at the bottom of my posts, it is attached
> by my employer out of my control.
>
> This message is intended only for the use of the individual or entity to
> which it is addressed, and may contain information that is privileged,
> confidential and exempt from disclosure under applicable law.  If the
> reader of this message is not the intended recipient, or the employee or
> agent responsible for delivering the message to the intended recipient, you
> are hereby notified that any dissemination, distribution or copying of this
> communication is strictly prohibited.  If you have received this
> communication in error please return the message immediately to the sender
> and delete the message from your systems. Thank you.
>
>
>
>
> -------------------------------------------------------
> This sf.net email is sponsored by:ThinkGeek
> Welcome to geek heaven.
> http://thinkgeek.com/sf
> _______________________________________________
> U-Boot-Users mailing list
> U-Boot-Users at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/u-boot-users
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.1 (GNU/Linux)

iD8DBQE/X4+BmxLCz0u+Ko8RAgVQAKCW8ncg5xLYduxyozZFgfFMciUWGACdHbZP
ZRgfJkiZJOg5mLPNQY9/kDQ=
=CJB9
-----END PGP SIGNATURE-----