On Monday, July 21, 2014 at 04:47:20 PM, Daniel Thompson wrote:
Signed-off-by: Daniel Thompson daniel.thompson@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