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

Russell King - ARM Linux linux at arm.linux.org.uk
Tue Oct 20 03:04:27 PDT 2015

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);

FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
according to speedtest.net.

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