[PATCH v3] arm-soc: Add support for Sigma Designs Tango4

Marc Gonzalez marc_gonzalez at sigmadesigns.com
Tue Oct 20 03:54:14 PDT 2015

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?


More information about the linux-arm-kernel mailing list