Date: Wed, 17 Nov 2010 11:54:59 +0100 From: Milan Obuch <freebsd-mips@dino.sk> To: Luiz Otavio O Souza <lists.br@gmail.com> Cc: freebsd-mips@freebsd.org Subject: Re: First RSPRO deployed ! Message-ID: <201011171155.00551.freebsd-mips@dino.sk> In-Reply-To: <4A60132B-C3DE-4FB6-A5EF-7E0A814DEDA8@gmail.com> References: <D74327E9-0A8A-4B46-B4DD-16D0FAF8E3BB@gmail.com> <201011170024.24641.freebsd-mips@dino.sk> <4A60132B-C3DE-4FB6-A5EF-7E0A814DEDA8@gmail.com>
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On Wednesday 17 November 2010 11:15:09 Luiz Otavio O Souza wrote: > On Nov 16, 2010, at 9:24 PM, Milan Obuch wrote: > > [snip] > > >>>> GPIO devices: http://pastebin.com/FvhQW5iL > > > > Here is output os rspro-ps program... What's that? Where does it get the > > data read from? Is there something on board itself connected to i2c bus > > or is it something externally connected? > > It's my rspro power supply... I've nothing better to do at that time.. ;) > > At that time i've no 48v PS and at same time i was looking for something to > replace my server/router (which was suffering a lot with the very frequent > power outages). > > So i've designed a power supply that work directly from 12v batteries and > gives me some information about its state thru i2c. > > http://loos.no-ip.org:280/routerstation/images/13.html (basically - a > little bit old, already added a charger for battery). > > http://loos.no-ip.org:280/routerstation/images/12.html (here the output is > connected to my rspro and the i2c is connected on my routerstation - > development time). > Ah, so there is nothing on gpio pins selected for i2c connected on board itself and this is your addition... All pins are free to use for anything, you just selected two of them for i2c... > >>> Again, it would be great if you could share your experience - I would > >>> like to run from flash too, but did not came there yet, I am still only > >>> at netboot stage with USB flasdisk based file system. > >>> > >>> Regards, > >>> Milan > >> > >> adrian@ keeps a wiki page with some information about this: > >> http://wiki.freebsd.org/AdrianChadd/UbiquityRouterstationPro > >> > >> I'll poke him about a port for this flash tool, it's very simple to use. > > > > Is it possible to read/write flash from FreeBSD itself? When I add > > geom_redboot into kernel, I see /dev/redboot directory with flash parts, > > but I have no idea how to read them - dd if=/dev/redboot/<something> > > gives just an error and no data are read... Is some special tool > > necessary for that? I would like to make a backup copy of flash, just in > > case... > > Yes, it is possible to directly access the flash using 64k blocks reads and > writes. > Verified. It works. > Be aware that currently we've a bug with geom_readboot and geom_label, they > won't work together (it was given to me a patch that should fix this, but > i did not managed to test it yet). > > Try it with bs=64k and it should work (as Monthadar said, adrian@ have some > patches floating around that reduce the block size to 4k iirc). > > I'll try to post my script and Makefile for the mkfwimage.c (here is a > sample with the ouput of routerstation for the flashing procedure: > http://loos.no-ip.org:280/routerstation/) > This is built in redboot, right? So it can be used for first time programming too, ok? > > Also, there is a pin header marked UART, just opposite to RS232 > > connector. I would expect it to be a second serial interface, maybe, but > > I found no mention about it yet... Has anybody an answer? > > It is not a second UART, it is the same uart ! (unfortunately) > I was afraid it's that, but asked just to be sure... so when I use RS232 console port, this header is actually useless... > It's better look at some usb->uart cable (like ftdi, prolific, etc.) or > some other gpio solution. > I do not need second serial port for now, but USB serial port works for sure (not fully tested, but basically all supported devices should work on RSPRO as well I think). Regards, Milan
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