On Jun 26, 2012, at 5:25 AM, Zhao Chenhui wrote:

> Do hardware timebase sync. Firstly, stop all timebases, and transfer
> the timebase value of the boot core to the other core. Finally,
> start all timebases.
> 
> Only apply to dual-core chips, such as MPC8572, P2020, etc.
> 
> Signed-off-by: Zhao Chenhui <chenhui.z...@freescale.com>
> Signed-off-by: Li Yang <le...@freescale.com>
> ---
> Changes for v6:
> * added 85xx_TB_SYNC
> * added isync() after set_tb()
> * removed extra entries from mpc85xx_smp_guts_ids

Why only on dual-core chips?  Is this because of something related to 2 cores, 
or related to corenet vs non-corenet SoCs and how turning on/off the timebase 
works in the SOC?

- k
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