sheevaplug nand type not recognized?

[Ronald Klop]

On Thu, 13 Dec 2012 00:37:11 +0100, Ian Lepore  
<freebsd at damnhippie.dyndns.org> wrote:

> On Thu, 2012-12-13 at 00:16 +0100, Ronald Klop wrote:
>> 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.
>
> Heh.  Be careful.  My dreamplug 1001N is a brick because I typed a
> command in the wrong window and wiped the nand on it, and I haven't had
> any success trying to use openocd to flash it (or even get it to boot as
> a one-shot).
>
> -- Ian

Hi,

What would be needed to get the support for this NAND chip committed?

Ronald.