sheevaplug nand type not recognized?

[Ronald Klop]

On Wed, 12 Dec 2012 23:58:24 +0100, Ian Lepore  
<freebsd at damnhippie.dyndns.org> wrote:

> On Wed, 2012-12-12 at 23:41 +0100, Ronald Klop wrote:
>> Hello,
>>
>> I just compiled a FreeBSD-10-current (src from 22 Nov.) kernel+world and
>> installed it on a usb stick.
>> It has NAND support compiled in, but I see no nand devices in /dev.
>> Dmesg does not list a lnand0 device like the example in
>> http://wiki.freebsd.org/NAND#NAND_Framework.
>>
>> Booting Debian finds this:
>> ...
>> NAND device: Manufacturer ID: 0xec, Chip ID: 0xdc (Samsung NAND 512MiB
>> 3,3V 8-bit)
>> Scanning device for bad blocks
>> Bad eraseblock 168 at 0x000001500000
>> Bad eraseblock 169 at 0x000001520000
>> Bad eraseblock 1193 at 0x000009520000
>> 2 cmdlinepart partitions found on MTD device orion_nand
>> Creating 2 MTD partitions on "orion_nand":
>> 0x000000100000-0x000000500000 : "uImage"
>> 0x000000500000-0x000020000000 : "rootfs"
>> UBI: attaching mtd1 to ubi0
>> ...
>>
>> I don't see this Samsung version in sys/dev/nand/nand_id.c.
>> Would it be easy to add it? I understand the manufacturer id and chip  
>> id,
>> but I don't know what I should change more.
>
> That looks like the same chip that's in my DreamPlug 1001N, the attached
> diff should fix it for you.
>
> -- Ian
>

Supernice!

nand0: <Marvell NAND controller> mem 0xf9300000-0xf93fffff on localbus0
nandbus0: <NAND bus> on nand0
lnand0: <Samsung NAND 512MiB 3,3V 8-bit> on nandbus0
lnand0: No BBT found. Prescan chip...
##lnand0: Bad block(168)
lnand0: Bad block(169)
##########lnand0: Bad block(1193)
#############################


root at sh10:~ # ls -l /dev/*nand*
crw-r-----  1 root  operator  0x2f Dec 12 23:09 /dev/gnand.raw0
crw-r-----  1 root  operator  0x33 Dec 12 23:09 /dev/gnand.raw0s.root
crw-r-----  1 root  operator  0x32 Dec 12 23:09 /dev/gnand.raw0s.u-boot
crw-r-----  1 root  operator  0x2e Dec 12 23:09 /dev/gnand0
crw-r-----  1 root  operator  0x31 Dec 12 23:09 /dev/gnand0s.root
crw-r-----  1 root  operator  0x30 Dec 12 23:09 /dev/gnand0s.u-boot
crw-rw-rw-  1 root  wheel     0x19 Dec 12 23:09 /dev/nand0.0

Now I can't go to sleep without playing some more with it. :-)

Cheers,
Ronald.