From mboxrd@z Thu Jan  1 00:00:00 1970
From: marc_gonzalez@sigmadesigns.com (Marc Gonzalez)
Date: Tue, 20 Oct 2015 12:54:14 +0200
Subject: [PATCH v3] arm-soc: Add support for Sigma Designs Tango4
In-Reply-To: <20151020100427.GV32532@n2100.arm.linux.org.uk>
References: <560EFDB3.9010305@free.fr> <11113740.WL812ZaRcZ@wuerfel>
 <5612A473.8030405@sigmadesigns.com> <5613EF4C.30603@sigmadesigns.com>
 <CAL_JsqJ+WTBYF=sJWbkgNzL48H5AiXL4aoVV3DNiL6T_UQKQfg@mail.gmail.com>
 <561D2952.4060908@sigmadesigns.com>
 <CAL_JsqKa4trfpLY_DPsjBrfH-7SSUQMACYVW7DNN1=Pv3B4FrA@mail.gmail.com>
 <5624CF62.6020001@sigmadesigns.com>
 <CAL_Jsq+jthx9ffnUm-G-TV9LdxBRp3SKyhyfcVu=7kN3CuumJw@mail.gmail.com>
 <56260E56.10403@sigmadesigns.com>
 <20151020100427.GV32532@n2100.arm.linux.org.uk>
Message-ID: <56261D56.8010204@sigmadesigns.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On 20/10/2015 12:04, Russell King - ARM Linux wrote:
> On Tue, Oct 20, 2015 at 11:50:14AM +0200, Marc Gonzalez wrote:
>> My problem then, is that my current firmware does not set L310_AUX_CTRL_NS_LOCKDOWN
>> and does not allow updating that bit.
> 
> And if the bit isn't set, then l2c_unlock won't be called due to:
> 
> static void l2c310_unlock(void __iomem *base, unsigned num_lock)
> {
>         if (readl_relaxed(base + L2X0_AUX_CTRL) & L310_AUX_CTRL_NS_LOCKDOWN)
>                 l2c_unlock(base, num_lock);
> }

Thanks Russell, that's one less problem on my plate.

BTW, did you see my question about the CP15 FLOZ bit + prefetch bits?

Regards.