On Tue, May 17, 2011 at 10:52 PM, Peter Stuge <[email protected]> wrote: > Vikram Narayanan wrote: >> > It took me less then 8 hours to make my first port, and I'm not even a C >> > programmer, mine was a best case senario as there was a sibling board >> > already ported. I have also ported some where just the component where >> > supported, that didn't take to long either, probably 7-10 hours. >> > >> > Working on a board where only legacy code and docs are available I have >> > probably spend around 12 hours to get to ram init. >> > >> > I think the key to sussess is to have an easy way to reflash the bios when >> > your image failes. >> >> Seems quite inspirational to the people who wanted to port for new >> boards. >> @ Stefan: Can you please share your opinions on this? > > The time required of course depends on many factors. In general > terms, these are: > > 1. Ability to understand or learn C and programming languages in > general, and hardware structure. > 2. Hardware differences. > 3. How much similar code there already exists in coreboot. > 4. How readable the code is that does exist in coreboot and is > relevant for the project. > > In concrete terms, they are: > > 1. Programming and electronics experience, and abstract thinking > 2. How similar your mainboard is to another already supported > mainboard. > 3. If *any* similar mainboard is already supported by coreboot. > By similar I mean exact same relevant components; cpu north south > superio. > 4. Quality of coreboot code for cpu north south superio. > > These are just the factors to consider *when all components are > supported already*. In ideal circumstances a board port needs to take > only one hour. In reality, circumstances are never ideal and the time > needed per board grows exponentially or even steeper still with the > number of less than ideal points to consider. > > Worst case is so far 8-12 man-months for a coreboot expert. Thank you. I think this can also be in Developer wiki. This might give an insight of how much work is involved. (or is it already there in the wiki?)
- Thanks, Vikram -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
