On Tue, Dec 2, 2014, at 03:24 AM, Steven Stallion wrote: > They do. In fact, I contributed a patch a while back to add u-boot > image support to 5l a while back. U-boot has also been patched to > expect these binaries. You can take a look at what has been done in > the Chromebook port (http://code.google.com/p/9chrome), but I've been > stalled due to demands at the office. > > FWIW, u-boot is not a net-negative at all. For SoC's it simplifies > boot significantly - there is zero reason to eschew the functionality > it brings. > > http://plan9.bell-labs.com/sources/contrib/stallion/patch/arm-uboot/ > > HTH,
Thanks. That is very helpful. I will look at your patches. Ramakrishnan > On Mon, Dec 1, 2014 at 2:43 AM, Ramakrishnan Muthukrishnan > <r...@rkrishnan.org> wrote: > > On Mon, Dec 1, 2014, at 11:14 AM, erik quanstrom wrote: > >> > Surprisingly I didn't see a paper on porting Plan9 to new architectures > >> > in the plan9 paper collection. Any help and pointers on how to get > >> > started with the porting effort will be highly appreciated. > >> > >> it's all about the documentation. if you can get it, boringing up a new > >> kernel for a new architecture can go from impossible to very doable. > >> it's still a lot of work, and it can be hard to sit down and spend a week > >> finding that one little bit that prevents anything from working. good > >> luck, nonetheless. more architectures is definately moar better. > > > > Thanks. IMX6 documentation is freely available. There is a version of > > u-boot. The manufacturer (Solid Run) also has made the board schematics > > etc available. > > > > From the reading of booting(8), I am assuming that the ARM devices in > > plan9 use the u-boot for booting the kernel up? > > >
