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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>
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@ -86,6 +86,19 @@ static void nrf51_soc_realize(DeviceState *dev_soc, Error **errp)
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qdev_get_gpio_in(DEVICE(&s->cpu),
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BASE_TO_IRQ(NRF51_UART_BASE)));
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/* RNG */
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object_property_set_bool(OBJECT(&s->rng), true, "realized", &err);
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if (err) {
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error_propagate(errp, err);
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return;
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}
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mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->rng), 0);
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memory_region_add_subregion_overlap(&s->container, NRF51_RNG_BASE, mr, 0);
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sysbus_connect_irq(SYS_BUS_DEVICE(&s->rng), 0,
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qdev_get_gpio_in(DEVICE(&s->cpu),
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BASE_TO_IRQ(NRF51_RNG_BASE)));
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create_unimplemented_device("nrf51_soc.io", NRF51_IOMEM_BASE,
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NRF51_IOMEM_SIZE);
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create_unimplemented_device("nrf51_soc.ficr", NRF51_FICR_BASE,
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@ -110,6 +123,9 @@ static void nrf51_soc_init(Object *obj)
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TYPE_NRF51_UART);
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object_property_add_alias(obj, "serial0", OBJECT(&s->uart), "chardev",
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&error_abort);
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sysbus_init_child_obj(obj, "rng", &s->rng, sizeof(s->rng),
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TYPE_NRF51_RNG);
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}
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static Property nrf51_soc_properties[] = {
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@ -13,6 +13,7 @@
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#include "hw/sysbus.h"
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#include "hw/arm/armv7m.h"
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#include "hw/char/nrf51_uart.h"
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#include "hw/misc/nrf51_rng.h"
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#define TYPE_NRF51_SOC "nrf51-soc"
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#define NRF51_SOC(obj) \
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@ -26,6 +27,7 @@ typedef struct NRF51State {
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ARMv7MState cpu;
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NRF51UARTState uart;
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NRF51RNGState rng;
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MemoryRegion iomem;
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MemoryRegion sram;
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