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Subject: Re: [CFT] Exynos5250
From: George Neville-Neil <gnn@freebsd.org>
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Date: Thu, 23 May 2013 11:15:49 -0400
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To: Ruslan Bukin <br@bsdpad.com>
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On May 23, 2013, at 11:01 , Ruslan Bukin <br@bsdpad.com> wrote:

> Hi!
> 
> I'm happy to introduce freebsd/arm port for Samsung Exynos processors.
> THe port covers initial, very limited support for Exynos5250
> and includes: GIC, ARMv7 Generic Timer, USB EHCI, UART.
> Clocks still handled by uboot.
> 
> For develop and tests I used Arndale Board and u-boot by linaro
> (git://git.linaro.org/boot/u-boot-linaro-stable.git)
> 
> One thing that stumped me for a while is that the interrupt controller
> driver, gic.c, do works with Group 0 (secure) type of interrupts,
> but u-boot switches them all to be in Group 1 (non-secure).
> So I had to switch them back in gic.c.
> 
> Big thanks to ray@ for help and understanding. Thanks, Ray! :)
> 
> code lives here:
>  http://hg.bsdpad.com/
> 
> Known problems:
> 1. If specify more than 512MB RAM then panic occurs:
>    panic: kmem_suballoc: bad status return of 3  
> 2. SMP code exists, but don't properly works due to some
>    problems in SMP on arm
> 

Excellent!  I may have a board to test this on, and will take a look.

Best,
George