[CFT] Exynos5250
George Neville-Neil
gnn at freebsd.org
Thu May 23 15:15:50 UTC 2013
On May 23, 2013, at 11:01 , Ruslan Bukin <br at 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
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