[Qemu-devel] [PATCH v4 09/13] arm: Instantiate NRF51 general purpose I/O

[Steffen Görtz]

Instantiates GPIO peripheral model

Signed-off-by: Steffen Görtz <cont...@steffen-goertz.de>
Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com>
---
 hw/arm/nrf51_soc.c         | 16 ++++++++++++++++
 include/hw/arm/nrf51_soc.h |  2 ++
 2 files changed, 18 insertions(+)

diff --git a/hw/arm/nrf51_soc.c b/hw/arm/nrf51_soc.c
index d11bb2b99f..2c4e80892b 100644
--- a/hw/arm/nrf51_soc.c
+++ b/hw/arm/nrf51_soc.c
@@ -128,6 +128,19 @@ static void nrf51_soc_realize(DeviceState *dev_soc, Error 
**errp)
     mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->nvm), 2);
     memory_region_add_subregion_overlap(&s->container, NRF51_UICR_BASE, mr, 0);
 
+    /* GPIO */
+    object_property_set_bool(OBJECT(&s->gpio), true, "realized", &err);
+    if (err) {
+        error_propagate(errp, err);
+        return;
+    }
+
+    mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->gpio), 0);
+    memory_region_add_subregion_overlap(&s->container, NRF51_GPIO_BASE, mr, 0);
+
+    /* Pass all GPIOs to the SOC layer so they are available to the board */
+    qdev_pass_gpios(DEVICE(&s->gpio), dev_soc, NULL);
+
 
     create_unimplemented_device("nrf51_soc.io", NRF51_IOMEM_BASE,
                                 NRF51_IOMEM_SIZE);
@@ -157,6 +170,9 @@ static void nrf51_soc_init(Object *obj)
 
     sysbus_init_child_obj(obj, "nvm", &s->nvm, sizeof(s->nvm), TYPE_NRF51_NVM);
 
+    sysbus_init_child_obj(obj, "gpio", &s->gpio, sizeof(s->gpio),
+                          TYPE_NRF51_GPIO);
+
 }
 
 static Property nrf51_soc_properties[] = {
diff --git a/include/hw/arm/nrf51_soc.h b/include/hw/arm/nrf51_soc.h
index c3f4d5bcdc..d4a48ccf91 100644
--- a/include/hw/arm/nrf51_soc.h
+++ b/include/hw/arm/nrf51_soc.h
@@ -15,6 +15,7 @@
 #include "hw/char/nrf51_uart.h"
 #include "hw/misc/nrf51_rng.h"
 #include "hw/nvram/nrf51_nvm.h"
+#include "hw/gpio/nrf51_gpio.h"
 
 #define TYPE_NRF51_SOC "nrf51-soc"
 #define NRF51_SOC(obj) \
@@ -30,6 +31,7 @@ typedef struct NRF51State {
     NRF51UARTState uart;
     NRF51RNGState rng;
     NRF51NVMState nvm;
+    NRF51GPIOState gpio;
 
     MemoryRegion iomem;
     MemoryRegion sram;
-- 
2.19.1