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Diffstat (limited to 'hw/nvram/fw_cfg.c')
-rw-r--r--hw/nvram/fw_cfg.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/hw/nvram/fw_cfg.c b/hw/nvram/fw_cfg.c
index 97bba874e3..1a7e49c132 100644
--- a/hw/nvram/fw_cfg.c
+++ b/hw/nvram/fw_cfg.c
@@ -489,11 +489,17 @@ FWCfgState *fw_cfg_init(uint32_t ctl_port, uint32_t data_port,
dev = qdev_create(NULL, "fw_cfg");
qdev_prop_set_uint32(dev, "ctl_iobase", ctl_port);
qdev_prop_set_uint32(dev, "data_iobase", data_port);
- qdev_init_nofail(dev);
d = SYS_BUS_DEVICE(dev);
s = DO_UPCAST(FWCfgState, busdev.qdev, dev);
+ if (!object_resolve_path("/machine/fw_cfg", NULL)) {
+ object_property_add_child(qdev_get_machine(), "fw_cfg", OBJECT(s),
+ NULL);
+ }
+
+ qdev_init_nofail(dev);
+
if (ctl_addr) {
sysbus_mmio_map(d, 0, ctl_addr);
}