[PATCH 2/6] ARM: add Highbank core platform support

[Shawn Guo]

On Tue, Aug 16, 2011 at 03:34:54PM -0500, Rob Herring wrote:
> From: Rob Herring <rob.herring at calxeda.com>
> 
> This adds basic support for the Calxeda Highbank platform.
> 
> Signed-off-by: Rob Herring <rob.herring at calxeda.com>
> ---
[...]
> +void highbank_init_irq(void)
> +{
> +	struct device_node *node;
> +	struct of_intc_desc desc;
> +	int n = 0;
> +
> +	memset(&desc, 0, sizeof(desc));
> +	desc.controller = of_find_compatible_node(NULL, NULL, "arm,cortex-a9-gic");
> +	gic_of_init(&desc);
> +	node = desc.controller;
> +	for_each_child_of_node(node, desc.controller) {
> +		gic_of_ppi_init(&desc);
> +	}
> +
> +	for_each_compatible_node(node, NULL, "arm,pl061") {
> +		irq_domain_add_simple(node, 160 + (8 * n));
> +		n++;
> +	}
> +
160, magic number?  I guess it's the GIC IRQ number has been
discovered in gic_dist_init().  I'm not sure if we should simply
define a macro for it or manage to retrieve it from GIC.

> +#ifdef CONFIG_CACHE_L2X0
> +	l2x0_of_init(0, ~0UL);
> +#endif
> +}
> +

-- 
Regards,
Shawn