aboutsummaryrefslogtreecommitdiff
path: root/hw/arm/nrf51_soc.c
diff options
context:
space:
mode:
authorSteffen Görtz <contrib@steffen-goertz.de>2019-01-07 15:23:47 +0000
committerPeter Maydell <peter.maydell@linaro.org>2019-01-07 15:23:47 +0000
commitf30890def51f777db1da350f9c737cc75615bdf0 (patch)
tree93db9b7effcf1516966cc3d73ae0cf71f4e0236c /hw/arm/nrf51_soc.c
parent90c58941f6ce05d03364de253902008299d3f9e8 (diff)
downloadqemu-arm-f30890def51f777db1da350f9c737cc75615bdf0.tar.gz
arm: Instantiate NRF51 random number generator
Use RNG in SOC. Signed-off-by: Steffen Görtz <contrib@steffen-goertz.de> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20190103091119.9367-5-stefanha@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/arm/nrf51_soc.c')
-rw-r--r--hw/arm/nrf51_soc.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/hw/arm/nrf51_soc.c b/hw/arm/nrf51_soc.c
index 55f8eaafcb..d2a19b8ead 100644
--- a/hw/arm/nrf51_soc.c
+++ b/hw/arm/nrf51_soc.c
@@ -86,6 +86,19 @@ static void nrf51_soc_realize(DeviceState *dev_soc, Error **errp)
qdev_get_gpio_in(DEVICE(&s->cpu),
BASE_TO_IRQ(NRF51_UART_BASE)));
+ /* RNG */
+ object_property_set_bool(OBJECT(&s->rng), true, "realized", &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
+
+ mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->rng), 0);
+ memory_region_add_subregion_overlap(&s->container, NRF51_RNG_BASE, mr, 0);
+ sysbus_connect_irq(SYS_BUS_DEVICE(&s->rng), 0,
+ qdev_get_gpio_in(DEVICE(&s->cpu),
+ BASE_TO_IRQ(NRF51_RNG_BASE)));
+
create_unimplemented_device("nrf51_soc.io", NRF51_IOMEM_BASE,
NRF51_IOMEM_SIZE);
create_unimplemented_device("nrf51_soc.ficr", NRF51_FICR_BASE,
@@ -110,6 +123,9 @@ static void nrf51_soc_init(Object *obj)
TYPE_NRF51_UART);
object_property_add_alias(obj, "serial0", OBJECT(&s->uart), "chardev",
&error_abort);
+
+ sysbus_init_child_obj(obj, "rng", &s->rng, sizeof(s->rng),
+ TYPE_NRF51_RNG);
}
static Property nrf51_soc_properties[] = {