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[ts-7000] Re: TS7250 - YAFFS or YAFFS2

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Subject: [ts-7000] Re: TS7250 - YAFFS or YAFFS2
From: "john bogus" <>
Date: Mon, 27 Feb 2006 17:42:29 -0000
--- In  "john bogus" <>
wrote:
>
> --- In  "Eddie Dawydiuk" <eddie@> wrote:
> >
> > Hello,
> >
> > > I bought a ts7250 (128M) with development kit.
> >
> > We haven't shipped any TS7250s with 128MB of Flash that are using
> > Yaffs2 as the filesystem...
> >
> > > I have not been able
> > > to get the kernel on the CDROM (TS-LINUXARM 10-05) to execute.
> >
> > > RedBoot> load -b 0x218000 vmlinux
> >
> > Where are you attempting to load the kernel from?
> When there is no host server indicated, redboot uses the default
> server (Default server: 192.168.241.229).
> >
> > //Eddie
> >
>
>
> you have me confused.  earlier in this thread you indicated
>  > Recently the 128MB NAND  flash with 512 byte pages were
> discontinued. We
> > strive to never discontinue a product, so we moved to 128 MB NAND
> flash
> > with 2k page sizes. Yaffs1 doesn't support 2k page sizes, so we
> ported
> > Yaffs2 to the TS-7250. Last Friday(Feb 10) was the first shipment
> of 128 MB
>
> My board was shipped Feb 17.  You also indicated the test to
> determine yaffs2
>
> > The short answer is you can cat /proc/yaffs, if you see
> â??isYaffs2........... 1â??
> > then you have Yaffs2, if you don't then you have Yaffs1. The
> example below
> > shows a TS-7250 that is using Yaffs2. A longer explanation
follows
> the
> > example...
> >
> > ie
> >
> > $ cat /proc/yaffs
> > YAFFS built:Feb 13 2006 16:01:57
> > $Id: yaffs_fs.c,v 1.1 2006/02/09 21:08:29 michael Exp $
> > $Id: yaffs_guts.c,v 1.1 2006/02/09 21:08:29 michael Exp $
> >
> > Device 0 "Linux"
> > startBlock......... 0
> > endBlock........... 999
> > chunkGroupBits..... 0
> > chunkGroupSize..... 1
> > nErasedBlocks...... 914
> > nTnodesCreated..... 500
> > nFreeTnodes........ 79
> > nObjectsCreated.... 600
> > nFreeObjects....... 134
> > nFreeChunks........ 59842
> > nPageWrites........ 0
> > nPageReads......... 0
> > nBlockErasures..... 0
> > nGCCopies.......... 0
> > garbageCollections. 0
> > passiveGCs......... 0
> > nRetriedWrites..... 0
> > nRetireBlocks...... 0
> > eccFixed........... 0
> > eccUnfixed......... 0
> > tagsEccFixed....... 0
> > tagsEccUnfixed..... 0
> > cacheHits.......... 3
> > nDeletedFiles...... 2
> > nUnlinkedFiles..... 46
> > nBackgroudDeletions 0
> > useNANDECC......... 1
> > isYaffs2........... 1
>
>
> when I try this on my board I get the following, so I assume that
I
> have yaffs2  file system. 
>
> $ cat /proc/yaffs
> YAFFS built:Feb 13 2006 16:01:57
> $Id: yaffs_fs.c,v 1.1 2006/02/09 21:08:29 michael Exp $
> $Id: yaffs_guts.c,v 1.1 2006/02/09 21:08:29 michael Exp $
>
> Device 0 "Linux"
> startBlock......... 0
> endBlock........... 999
> chunkGroupBits..... 0
> chunkGroupSize..... 1
> nErasedBlocks...... 910
> nTnodesCreated..... 500
> nFreeTnodes........ 55
> nObjectsCreated.... 600
> nFreeObjects....... 110
> nFreeChunks........ 59819
> nPageWrites........ 0
> nPageReads......... 0
> nBlockErasures..... 0
> nGCCopies.......... 0
> garbageCollections. 0
> passiveGCs......... 0
> nRetriedWrites..... 0
> nRetireBlocks...... 0
> eccFixed........... 0
> eccUnfixed......... 0
> tagsEccFixed....... 0
> tagsEccUnfixed..... 0
> cacheHits.......... 3
> nDeletedFiles...... 26
> nUnlinkedFiles..... 70
> nBackgroudDeletions 0
> useNANDECC......... 1
> isYaffs2........... 1
> $
>


sorry, forgot to mention, I got the above results with the default
kernel/boot disk loaded in flash, not the kernel I tried to compile.







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