[PATCH v2 1/4] pm9g45: boot from NAND
RONETIX - Asen Dimov
dimov at ronetix.at
Thu Mar 8 06:37:19 EST 2012
Hi Jean-Christophe,
On 03/02/2012 07:18 PM, Jean-Christophe PLAGNIOL-VILLARD wrote:
> On 18:55 Fri 02 Mar , Asen Chavdarov Dimov wrote:
>> - change the kernel and rootfs locations
>> - correct the NAND mtd partitions
>> - fix the DDR RAM location(so BareBox load address)
>> - expect the root file system type to be UBIFS
>>
>> Signed-off-by: Asen Chavdarov Dimov<dimov at ronetix.at>
>> ---
>> since v1:
>> this patch I gorgot to send, so it pops-up now
>> ---
>> arch/arm/boards/pm9g45/env/config | 8 +-
>> arch/arm/configs/pm9g45_defconfig | 339 +++++++++++++++++++++++++++++++++---
> please use savedefconfig to generate the defconfig
done.
>> 2 files changed, 314 insertions(+), 33 deletions(-)
>>
>> diff --git a/arch/arm/boards/pm9g45/env/config b/arch/arm/boards/pm9g45/env/config
>> index 3dea724..1858292 100644
>> --- a/arch/arm/boards/pm9g45/env/config
>> +++ b/arch/arm/boards/pm9g45/env/config
>> @@ -11,9 +11,9 @@ ip=dhcp
>> #eth0.serverip=a.b.c.d
>>
>> # can be either 'nfs', 'tftp' or 'nand'
>> -kernel_loc=tftp
>> +kernel_loc=nand
>> # can be either 'net', 'nand' or 'initrd'
>> -rootfs_loc=net
>> +rootfs_loc=nand
>>
>> # can be either 'jffs2' or 'ubifs'
>> rootfs_type=ubifs
>> @@ -25,8 +25,8 @@ kernelimage=uImage
>> #kernelimage=Image.lzo
>>
>> nand_device=atmel_nand
>> -nand_parts="256k(barebox)ro,64k(bareboxenv),1536k(kernel),-(root)"
>> -rootfs_mtdblock_nand=3
>> +nand_parts="128k(bootstrap)ro,256k(barebox)ro,1664k(bareboxenv),3M(kernel.bb),-(root)"
> use kerenel not kernel.bb
In the "defaultenv/bin/boot" it is mentioned "/dev/nand0.kernel.bb" and
many boards are using
".bb" suffix.
> why env the 1664k?
To align the kernel to start at 2MiB offset.
> Best Regards,
> J.
>
Regards,
Asen
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