[oe] Kernel load address issue

[Martin Jansa]

On Wed, Jul 27, 2011 at 09:51:28AM +1200, Bernard Mentink wrote:
> 
> Hi Guys,
> 
> I am new to OE, but have managed to get u-boot working on my target, got
> TFTP working so I can transfer a kernel to RAM.
> I have modified my conf/local.conf file so that when a kernel is built a
> uImage binary is created that u-boot can use. (added line
> KERNEL_IMAGETYPE = "uImage")
> 
> However When I try to boot the image in the bootloader, I get this:
> 
> uboot> bootm 0x80300000
> ## Booting kernel from Legacy Image at 80300000 ...
>    Image Name:   Angstrom/2.6.36/mx31ads
>    Created:      2011-07-26  19:55:31 UTC
>    Image Type:   ARM Linux Kernel Image (uncompressed)
>    Data Size:    1765856 Bytes = 1.7 MiB
>    Load Address: 20008000
>    Entry Point:  20008000

machine.conf can define
UBOOT_ENTRYPOINT = "0x80008000"
UBOOT_LOADADDRESS = "0x80008000"

both used in kernel.bbclass
/OE/dev/classes/kernel.bbclass:UBOOT_ENTRYPOINT ?= "20008000"
/OE/dev/classes/kernel.bbclass:UBOOT_LOADADDRESS ?= "${UBOOT_ENTRYPOINT}"
/OE/dev/classes/kernel.bbclass:            uboot-mkimage -A ${UBOOT_ARCH} -O linux -T kernel -C none -a ${UBOOT_LOADADDRESS} -e $ENTRYPOINT -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin arch/${ARCH}/boot/uImage

Cheers,

>    Verifying Checksum ... OK
>    Loading Kernel Image ...   <-- gets stuck here! ...
> 
> The Load Address is wrong, my ram starts at 0x80000000 ... can someone
> tell me how to change this? I presume mkimage is responsible for this as
> the kernel is configured as relocatable ..
> 
> Many Thanks,
> Bernie
> 
> 
> 
> 
> 
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-- 
Martin 'JaMa' Jansa     jabber: Martin.Jansa at gmail.com
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