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| author | Steffen Görtz <contrib@steffen-goertz.de> | 2019-01-07 15:23:47 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2019-01-07 15:23:47 +0000 |
| commit | f30890def51f777db1da350f9c737cc75615bdf0 (patch) | |
| tree | 93db9b7effcf1516966cc3d73ae0cf71f4e0236c /hw/arm/nrf51_soc.c | |
| parent | 90c58941f6ce05d03364de253902008299d3f9e8 (diff) | |
| download | focaccia-qemu-f30890def51f777db1da350f9c737cc75615bdf0.tar.gz focaccia-qemu-f30890def51f777db1da350f9c737cc75615bdf0.zip | |
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.c | 16 |
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[] = { |