Adding new board support

[Varka Bhadram]

Thank you for the guidence...

Is there any tutorial to how to do the development for the board. ?

Thanks,

-Varka Bhadram

On June 7, 2014 at 12:57 PM AYAN KUMAR HALDER <ayankumarh at gmail.com> wrote:
> On Sat, Jun 7, 2014 at 12:40 AM, Kristofer Hallin
> <kristofer.hallin at gmail.com> wrote:
> > Might be a good thing to start with something easier. If you can't
> > navigate the source tree well enough to find the relevant code you
> > will have a hard time rewriting stuff for different hardware.
> >
> > On Fri, Jun 6, 2014 at 11:40 AM, Varka Bhadram <varkab at cdac.in> wrote:
> >> Hi,
> >>
> >> I am having a board which is customized for our requirement and it is based
> >> on cortex-a8 arm architecture.
> >>
> >> I want to add the board support for this in linux kernel. From where can i
> >> start to get it work...?
> >>
> >> Any tutorial for this to be done...?
> >>
> >>
> >> Thanks and Regards,
> >> Varka Bhadram
> >>
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> Hi Varka,
>
> I would suggest you the following:-
> 1. Create a config file under arch/arm/configs/ for your board. You
> may refer to any of the standard configuration which closely resembles
> your board's configuration. To start with enable the basic
> configurations such as processor, timer, uart, etc and disable SMP
> which are the bare minimum requirements for the board to boot.
> 2. Add a folder under arch/arm/<mach-yourplatformname>. Add board.c
> where your can register your platform devices such as pcie, nand, usb,
> uart, gpio, rtc etc
> 3, Under the same folder above, add timer.c to initialize your
> timers.Add clock.c to enable/disable clocks and change clock rate of
> various Functional Blocks. Add <yourplatformname.c> to initialize your
> processor specific details such as global timers, arm pmu, interrupts,
> cache, global dma, ACP, SCU and inter-processor interrupt( if later
> you decide to enable SMP)
> 4. It is advisable to refer to a standard platform (like versatile -
> express ) to understand the board specific configurations in Linux.
>
> Hope this helps to get you started,
>
> Regards,
> Ayan Kumar Halder
>
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