On Monday, July 21, 2014 at 04:47:20 PM, Daniel Thompson wrote: > Signed-off-by: Daniel Thompson <daniel.thomp...@linaro.org> > --- > arch/arm/mach-imx/mach-imx6q.c | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/arch/arm/mach-imx/mach-imx6q.c > b/arch/arm/mach-imx/mach-imx6q.c index e60456d..192d268 100644 > --- a/arch/arm/mach-imx/mach-imx6q.c > +++ b/arch/arm/mach-imx/mach-imx6q.c > @@ -381,10 +381,21 @@ static void __init imx6q_init_late(void) > } > } > > +static struct map_desc gic_cpu_io_desc __initdata = { > + .virtual = 0xff000000, > + .pfn = __phys_to_pfn(0x00a00000), > + .length = SZ_1M, > + .type = MT_DEVICE_NS, > +}; > + > static void __init imx6q_map_io(void) > { > debug_ll_io_init(); > imx_scu_map_io(); > + /* TODO: Need to check we are running without a secure monitor before > + * setting up this mapping. > + */ > + iotable_init(&gic_cpu_io_desc, 1); > }
Is there no way to add ioremap_nonsecure() so the gic can allocate the mapping itself instead of adding a static one ? Also, can you add a flag to the MT_DEVICE_NS that says the mapping can only ever be in L1 and never in "lower" levels of the page table ? Best regards, Marek Vasut -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/