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Date:   Sun, 26 Nov 2017 23:56:10 +0000
From:   Peng Fan <>
To:     Russell King - ARM Linux <>
CC:     "" 
        "" <>,
        "" <>,
        Mark Rutland <>,
        Thomas Gleixner <>,
        Chris Brandt <>,
        Will Deacon <>
Subject: RE: [PATCH] arm: l2c: unlock ways when in non-secure mode

Hi Russell,

> Subject: Re: [PATCH] arm: l2c: unlock ways when in non-secure mode
> On Sun, Nov 26, 2017 at 08:25:30PM +0800, Peng Fan wrote:
> > To boot Linux in Non-secure mode with l2x0, the l2x0 controller is
> > enabled in secure mode and ways locked to make it seems L2 cache
> > disabled during linux boot process. So during l2x0 initialization,
> > need to unlock the ways to make l2x0 could cache data/inst.
> Why was this chosen instead of doing what everyone else does?

I am not aware of how other platform handles the l2x0 unlock in non
secure mode. Could you please share with me what others choose?


> --
> RMK's Patch system:
> 99c5c301635%7C0%7C0%7C636472991153380699&sdata=6QBrJCdmtU%2B4GO8
> YsYMvcvRwwk5ST2B87%2BWY%2BhPRxP8%3D&reserved=0
> FTTC broadband for 0.8mile line in suburbia: sync at 8.8Mbps down 630kbps up
> According to 8.21Mbps down 510kbps up

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