Bridges Seth napsal(a):
>
>
> [answers inline.]
>
>
> On Oct 19, 2010, at 12:49 AM, Petr Štetiar wrote:
>
>>
>>
>> Bridges Seth < <seth%40sethbridges.com>>
>> [2010-10-18 23:52:05]:
>>
>> > * MTD partitions look like they came from a 7200...standard spew
>> looks like this:
>> >
>> > Searching for NAND flash...
>> > NAND device: Manufacturer ID: 0xec, Chip ID: 0x75 (Samsung NAND
>> 32MiB 3,3V 8-bit)
>> > Scanning device for bad blocks
>> > Hardware ECC detected
>> > Using MBR partition definition
>> > Creating 4 MTD partitions on "NAND 32MiB 3,3V 8-bit":
>> > 0x00000000-0x02000000 : "whole chip"
>> > 0x00004000-0x00204000 : "kernel"
>> > 0x00204000-0x00404000 : "initrd"
>> > 0x00404000-0x02000000 : "rootfs"
>> > yaffs: dev is 7939 name is "1f:03"
>> > yaffs: Attempting MTD mount on 31.3, "1f:03"
>>
>> This is from different kernel, right?
>>
>
> Yes, I was just including the MTD startup spew from my 2.4.x kernel for
> reference. (more about this below)
I have driver for 2.6.28.3 based on TS 2.4.x code. If you want test it please
look to: http://arm.mydatex.cz/TS-72xx0/
Regards
Dan
>
>>
>> > * serial port ttyTS0 doesn't show up...the standard spew from the
>> > 2.4.26-ts11 kernel looks like this:
>>
>> I've built the kernel as modular as possible and added just the necessary
>> stuff as built-in into the kernel. For now, you would need to unpack the
>> module from modules-2.6.34-r3-ts72xx.tgz and to autoload it at startup
>> just do
>> something like this:
>>
>> $ echo 8250_ts_ser1 > /etc/modutils/8250_ts_ser1
>> $ update-modules
>> $ reboot
>>
> cool, I'll have to try that.
>
>> In the future it should be possible to just:
>>
>> $ opkg update
>> $ opkg install kernel-module-8250_ts_ser1
>>
>> > I'm not sure where to go from here (except to bed), but I wanted to
>> let you
>> > know the results of what I'd tested so far.
>>
>> I would add some debugging into the pppd/chat so you can see all the
>> commands
>> etc. How do you have the modem connected? It's via ts_ser1?
>>
> I had the chat spew turned up, and it got to the point where it tried to
> send AT to the modem, but nothing ever responded. Just previously, I
> had been talking to the modem with microcom over the same port...
>>
>>
>> > <begin output spew from kernel boot>
>>
>> Thanks, that's what I needed. Looks like it works fine :-) If find
>> some spare
>> time, please can you try to debug the ntpclient issue? If it hangs in the
>> ntpclient binary I can prepare some verbose version for you.
>>
> I'll poke at the ntpclient binary more later....I did try running it
> from the command line with -h time.apple.com <http://time.apple.com> and
> it just sat there. I didn't do any more than that.
>
>>
>> > Configuring leds:
>> > platform:grled: nand-disk
>> > platform:rdled: heartbeat
>>
>> BTW, is there red led on the ts7400? If so, started blinking after this?
>>
>
> There is a red LED, but I didn't notice it.
>
>>
>> Can you pls also try to flash the UBIFS image and try to boot from it?
>> Thanks.
>>
>
> My problem so far is that I've never been able to boot to a NAND root
> with a kernel I've built. Your comment about the UART driver not being
> in the kernel finally made me think that the NAND flash driver was only
> in as a module.
>
> As a test, I grabbed the 2.4.26-ts11 source, touched up the config to
> include the MTD_NAND_TS7250 driver in the kernel and booted it up. For
> the first time ever, it actually recognized the partitions correctly and
> looked like it was going to boot.
>
> Then it started puking all kinds of ecc errors like this:
>
> page 91 in gc has no object
> >>mtd ecc error fix performed on chunk 60:0
> >>mtd ecc error unfixed on chunk 60:1
> >>Block 1 marked for retirement
> page 92 in gc has no object
> >>mtd ecc error unfixed on chunk 61:0
> >>mtd ecc error unfixed on chunk 61:1
> >>Block 1 marked for retirement
>
> After the ECC spew stopped, I got a tty login screen, but nothing would
> respond. Now my board won't boot at all. :( I think my failure was
> that I was supposed to have included the MTD_NAND_TS7400.
>
> I guess it is a good thing that I ordered the TS-9441 boot recovery
> board yesterday. Too bad it won't be delivered until tomorrow.
>
> At any rate, when I get actually figure out how to get a kernel that
> boots from NAND, I'm happy to try flashing the UBI image down to my board.
>
> Thanks,
>
> -sb
>
>>
>> -- ynezz
>>
>
>
--
Mydatex s r.o.
http://www.mydatex.cz
email:
mob: 604200362
tel: 226210085
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