Hi Hauke,
WNR3500Lv2 is BCM5357 based. I did not see any SSB based NAND flash.
So I will remove that section from my patch and repost it. Also I will
try to use functions provided in drivers/mtd/nand/nand_base.c if
possible. I w ill repost the patch before next weekend so that you can
look closely into it.
I have made some progress in USB section for the same device and
currently I am getting probe. However it will be really helpful I can
use your patch. I have seen a list patches available at
https://github.com/hauke/openwrt/tree/linux-3.2/target/linux/brcm47xx/patches-3.2.
Could you please tell me the exact name of the patch ?
I will also submit bootlog, vendor firmware and OpenWRT firmware along
with my modified patch.
Regards,
Tathagata
On 12/11/2011 10:56 PM, Hauke Mehrtens wrote:
Hi Tathagata,
in general this patch looks good and it could be accepted. I will look
closely into it next weekend, I do not have time for now.
I just saw your post regarding usb:
https://forum.openwrt.org/viewtopic.php?pid=148104 I have patches to add
a usb driver for bcma devices:
https://github.com/hauke/openwrt/tree/linux-3.2 I will try to add it to
OpenWrt trunk next weekend or so, but you could try it now.
Using drivers/mtd/nand/nand_base.c, if it provides some of the functions
needed, it would be nice to use them.
Is the WNR3500L V2.0 BCM5357 based? I saw that there are some
enhancements in the NAND driver needed to get support for the BCM4706
used on the WNDR4500.
If you have not seen any and I do not think there will be any SSB based
device with NAND flash out there, we do not need to add support for it
to ssb.
A boot log with the vendor firmware and OpenWrt would be nice, also to
see what other chips and cores are in that device.
Hauke
On 12/11/2011 05:49 PM, tathagata wrote:
Hi Hauke,
Thanks.
Netgear WNR3500Lv2 hardware uses this flash type. I tested this patch on
this particular platform. It uses BCMA based devices. I will send you
kernel .config file and boot log message if you want.
I shall look into drivers/mtd/nand/nand_base.c file and give you my
analysis.
Can this patch be accepted ?
Regards,
Tathagata
On 11.12.2011 05:48, Hauke Mehrtens wrote:
On 12/09/2011 08:16 AM, Tathagata Das wrote:
Hi,
Attached is the kernel patch to support brcm47xx NAND flash.
I have used latest trunk source code to create this patch.
Regards,
Tathagata<tathag...@alumnux.com>
Hi Tathagata,
nice patch.
I had a quick look over your big patch. I did not know that there is a
third flash type used on brcm43xx Broadcom devices, on what device did
you found it? I did a search in the source code on my hard disk and the
WNDR4500 source code was the only containing a driver for this NAND
chips. Is is really used on SSB and BCMA based devices?
Sometimes there is "serial flash" in the header and not "NAND flash".
When finding a SSB NAND flash it will try to initialize serial flash
instead. Why are you using your own partition parser? Do Braodcom chips
using NAND do something different from other chips?
Is it possible to use drivers/mtd/nand/nand_base.c?
Hauke
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