Add support for dynamically instantiating PL061 GPIO controller
instances in ARM virt. Device tree nodes are created dynamically.
Signed-off-by: Geert Uytterhoeven <geert+rene...@glider.be>
---
v2:
- New.
---
hw/arm/sysbus-fdt.c | 18 ++++++++++++++++++
hw/arm/virt.c | 1 +
2 files changed, 19 insertions(+)
diff --git a/hw/arm/sysbus-fdt.c b/hw/arm/sysbus-fdt.c
index 6b6906f4cfc36198..493583218d176d0a 100644
--- a/hw/arm/sysbus-fdt.c
+++ b/hw/arm/sysbus-fdt.c
@@ -32,6 +32,7 @@
#include "sysemu/device_tree.h"
#include "sysemu/tpm.h"
#include "hw/platform-bus.h"
+#include "hw/gpio/pl061.h"
#include "hw/vfio/vfio-platform.h"
#include "hw/vfio/vfio-calxeda-xgmac.h"
#include "hw/vfio/vfio-amd-xgbe.h"
@@ -468,6 +469,22 @@ static int add_tpm_tis_fdt_node(SysBusDevice *sbdev, void
*opaque)
return 0;
}
+/*
+ * add_pl061_node: Create a DT node for a PL061 GPIO controller
+ */
+static int add_pl061_node(SysBusDevice *sbdev, void *opaque)
+{
+ PlatformBusFDTData *data = opaque;
+ PlatformBusDevice *pbus = data->pbus;
+ void *fdt = data->fdt;
+
+ pl061_create_fdt(fdt, data->pbus_node_name, 1,
+ platform_bus_get_mmio_addr(pbus, sbdev, 0), 0x1000,
+ platform_bus_get_irqn(pbus, sbdev, 0) + data->irq_start,
+ qemu_fdt_get_phandle(fdt, "/apb-pclk"));
+ return 0;
+}
+
static int no_fdt_node(SysBusDevice *sbdev, void *opaque)
{
return 0;
@@ -489,6 +506,7 @@ static const BindingEntry bindings[] = {
VFIO_PLATFORM_BINDING("amd,xgbe-seattle-v1a", add_amd_xgbe_fdt_node),
#endif
TYPE_BINDING(TYPE_TPM_TIS_SYSBUS, add_tpm_tis_fdt_node),
+ TYPE_BINDING(TYPE_PL061, add_pl061_node),
TYPE_BINDING(TYPE_RAMFB_DEVICE, no_fdt_node),
TYPE_BINDING("", NULL), /* last element */
};
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index c88c8850fbe00bdb..191594db09422d54 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -2178,6 +2178,7 @@ static void virt_machine_class_init(ObjectClass *oc, void
*data)
machine_class_allow_dynamic_sysbus_dev(mc, TYPE_RAMFB_DEVICE);
machine_class_allow_dynamic_sysbus_dev(mc, TYPE_VFIO_PLATFORM);
machine_class_allow_dynamic_sysbus_dev(mc, TYPE_TPM_TIS_SYSBUS);
+ machine_class_allow_dynamic_sysbus_dev(mc, TYPE_PL061);
mc->block_default_type = IF_VIRTIO;
mc->no_cdrom = 1;
mc->pci_allow_0_address = true;
--
2.17.1
