diff options
| -rw-r--r-- | hw/arm/mps2.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/hw/arm/mps2.c b/hw/arm/mps2.c index 4634aa1a1c..bb76fa6889 100644 --- a/hw/arm/mps2.c +++ b/hw/arm/mps2.c @@ -428,7 +428,17 @@ static void mps2_common_init(MachineState *machine) 0x40023000, /* Audio */ 0x40029000, /* Shield0 */ 0x4002a000}; /* Shield1 */ - sysbus_create_simple(TYPE_ARM_SBCON_I2C, i2cbase[i], NULL); + DeviceState *dev; + + dev = sysbus_create_simple(TYPE_ARM_SBCON_I2C, i2cbase[i], NULL); + if (i < 2) { + /* + * internal-only bus: mark it full to avoid user-created + * i2c devices being plugged into it. + */ + BusState *qbus = qdev_get_child_bus(dev, "i2c"); + qbus_mark_full(qbus); + } } create_unimplemented_device("i2s", 0x40024000, 0x400); |