diff options
Diffstat (limited to 'hw/block/fdc-sysbus.c')
| -rw-r--r-- | hw/block/fdc-sysbus.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/hw/block/fdc-sysbus.c b/hw/block/fdc-sysbus.c index 57fc877..86ea51d 100644 --- a/hw/block/fdc-sysbus.c +++ b/hw/block/fdc-sysbus.c @@ -94,18 +94,14 @@ static void fdctrl_handle_tc(void *opaque, int irq, int level) trace_fdctrl_tc_pulse(level); } -void fdctrl_init_sysbus(qemu_irq irq, int dma_chann, - hwaddr mmio_base, DriveInfo **fds) +void fdctrl_init_sysbus(qemu_irq irq, hwaddr mmio_base, DriveInfo **fds) { - FDCtrl *fdctrl; DeviceState *dev; SysBusDevice *sbd; FDCtrlSysBus *sys; dev = qdev_new("sysbus-fdc"); sys = SYSBUS_FDC(dev); - fdctrl = &sys->state; - fdctrl->dma_chann = dma_chann; /* FIXME */ sbd = SYS_BUS_DEVICE(dev); sysbus_realize_and_unref(sbd, &error_fatal); sysbus_connect_irq(sbd, 0, irq); @@ -138,6 +134,16 @@ static void sysbus_fdc_common_instance_init(Object *obj) FDCtrlSysBus *sys = SYSBUS_FDC(obj); FDCtrl *fdctrl = &sys->state; + /* + * DMA is not currently supported for sysbus floppy controllers. + * If we wanted to add support then probably the best approach is + * to have a QOM link property 'dma-controller' which the board + * code can set to an instance of IsaDmaClass, and an integer + * property 'dma-channel', so that we can set fdctrl->dma and + * fdctrl->dma_chann accordingly. + */ + fdctrl->dma_chann = -1; + qdev_set_legacy_instance_id(dev, 0 /* io */, 2); /* FIXME */ memory_region_init_io(&fdctrl->iomem, obj, |