NFTL device not found (boot floppies) (Tim Drury)

[Phung Chi Kien]

You should use DOS utilities (dformat) from M-sys to format the DOC with
driver version 5.1.4. After that reboot the PC and I think NFTL driver can
mount your DOC.

> Date: Thu, 21 Aug 2003 20:06:56 -0400
> From: "Tim Drury" <tdrury at siliconmotorsports.com>
> To: <linux-mtd at lists.infradead.org>
> Subject: NFTL device not found (boot floppies)
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>
> I'm building a couple boot floppies for my target system - an Elan/586
> based system with a 32MB DOC 2000.  I built the kernel with MTD built in
> (not modules) according to the faq.  On bootup I get the following:
>
> ----
> NFTL driver: nftlcore.c $Revision: 1.94 $, nftlmount.c $Revision: 1.34 $
> DiskOnChip 2000 found at address 0xE0000 Flash chip found: Manufacturer
> ID: EC, Chip ID: 75 (Samsung: NAND 32MiB 3,3V) 1 flash chips found.
> Total DiskOnChip size: 32 MiB Could not find valid boot record
> NFTL: could not mount device
> ----
>
> Could this be because I'm using 2-floppy boot system with the /dev fs on
> the second floppy (which hasn't been inserted yet)?  After I insert it
> and /dev is loaded, I try to do anything with /dev/nftla I get errors. I
> made /dev/nftla and /dev/nftla1 using 'mknod /dev/nftla b 90 0' and
> 'mknod /dev/nftla b 90 1' on the 2nd boot disk.
>
> % fdisk /dev/nftla
>
> Unable to open /dev/nftla
>
> % fdisk /dev/nftla1
>
> Unable to open /dev/nftla1
>
> I can see the MTD via /proc:
>
> % cat /proc/mtd
> dev:   size    erasesize   name
> mtd0: 02000000 00004000 "DiskOnChip 2000"
>
> Any ideas?
>
> -tim