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SubjectRe: [PATCH v3 2/2] powerpc/mpc85xx: also write addr_h to spin table for 64bit boot entry
On Mon, 2020-01-06 at 12:29 +0800, yingjie_bai@126.com wrote:
> From: Bai Yingjie <byj.tea@gmail.com>
>
> CPU like P4080 has 36bit physical address, its DDR physical
> start address can be configured above 4G by LAW registers.
>
> For such systems in which their physical memory start address was
> configured higher than 4G, we need also to write addr_h into the spin
> table of the target secondary CPU, so that addr_h and addr_l together
> represent a 64bit physical address.
> Otherwise the secondary core can not get correct entry to start from.
>
> Signed-off-by: Bai Yingjie <byj.tea@gmail.com>
> ---
> arch/powerpc/platforms/85xx/smp.c | 9 +++++++++
> 1 file changed, 9 insertions(+)

Acked-by: Scott Wood <oss@buserror.net>

-Scott


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