Hi Lukasz, Interesting. I might take a little look into this, but not sure how much of it will translate over, I presume they will be very different platforms (there are very few similarities between the 2500 and 1600R other than the family of CPU).
It definitely is going to be a challenge, but if you dont ask, you dont get. :-) On Fri, 26 Mar 2021 at 12:43, Lukasz Bromirski <[email protected]> wrote: > Tom, > > There was a project of porting OpenWRT to 3600 routers, I > believe you could benefit from talking to the author if he’s > somewhere around. > > Can’t find the URL now, but I bet somebody will do. > > We can’t really share confidential information about the > architecture - if it’s not on CCO, it would require NDA, > and as 1600 is so old... you can imagine finding person > willing to do that and take responsibility of sharing that > info would be kind of a challenge. > > -- > ./ > > > On 25 Mar 2021, at 18:23, Tom Storey <[email protected]> wrote: > > > > Hi all, this is probably a long shot from far out of left field, but I > > wonder if anyone is familiar with the deep inner workings of the 1600R > > series routers? > > > > Long story short, I got a bit bored recently with all of the coronavirus > > related restrictions, and started to reverse engineer some older model > > Cisco routers (2500 and 1600R) that are based on Motorola 68000 family > > CPUs, with a "no particular reason" goal of making FreeRTOS run on them > > (achievement unlocked.) > > > > But the 1600R is throwing me a curve ball, and Im having difficulty > > seemingly "unlocking" access to the memory ranges that cover the WIC slot > > and the PCMCIA controller registers. > > > > Ive used Ghidra to disassemble and rummage through the factory boot ROM > > code to figure out basically "what Cisco did", and re-implemented it > > myself, but I still seem to be missing something. Basically, I wondered > if > > someone here might be familiar enough with these old boxes at a low > enough > > level and might know if there is something in particular that needs to be > > poked to make this work? > > > > Thanks in advance! > > > > Tom > > _______________________________________________ > > cisco-nsp mailing list [email protected] > > https://puck.nether.net/mailman/listinfo/cisco-nsp > > archive at http://puck.nether.net/pipermail/cisco-nsp/ > > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
