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I have been using Linux kernel 2.6.28 with at91sam9263 processor and arm-none-eabi-gcc toolchain
I am able to start kernel execution from the RAM.
I am passing command line partition argument [bootargs=console=ttyS0;115200 root=mtd5 mtdparts=physmap-flash.0:128K(bootstrap)ro,256k(uboot),128k(env1),128(env2),2M(Linux),-(root); rw rootfstype=jffs2]
Kernel debug showing [created 6 mtd partitions]
but after the message,
Freeing init memory = 100k
I am getting following messages.
MTDSB: dev_name ''/dev/root"
MTDSB: lookup_bdev() returned 0
List of all partition:
No filesystem could mount root tried: jffs2
Kernel panic - not syncting : NFS; unable to mount root fs on unknown block(0,0)
not syncing problem
'not syncing' doesn't have to do anything with your problem, that's just the standard message if the kernel stops due to an error -- meaning modified files may not be written completely to the filesystems. this is totally irrelevant for you, because nothing was mounted in the first place.
the error is:
MTDSB: dev_name ''/dev/root"
MTDSB: lookup_bdev() returned 0
the block device (bdev) was not found. root=mtd5 didn't work. Do you have to use root=/dev/mtd5 ?