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Diffstat (limited to 'hw/fdc.c')
-rw-r--r--hw/fdc.c31
1 files changed, 11 insertions, 20 deletions
diff --git a/hw/fdc.c b/hw/fdc.c
index e2dbda02b5..6a6e7a8de9 100644
--- a/hw/fdc.c
+++ b/hw/fdc.c
@@ -1842,23 +1842,14 @@ static void fdctrl_connect_drives(fdctrl_t *fdctrl)
fdctrl_t *fdctrl_init_isa(DriveInfo **fds)
{
- fdctrl_t *fdctrl;
ISADevice *dev;
- int dma_chann = 2;
dev = isa_create("isa-fdc");
qdev_prop_set_drive(&dev->qdev, "driveA", fds[0]);
qdev_prop_set_drive(&dev->qdev, "driveB", fds[1]);
if (qdev_init(&dev->qdev) != 0)
return NULL;
- fdctrl = &(DO_UPCAST(fdctrl_isabus_t, busdev, dev)->state);
-
- fdctrl->dma_chann = dma_chann;
- DMA_register_channel(dma_chann, &fdctrl_transfer_handler, fdctrl);
-
- fdctrl_connect_drives(fdctrl);
-
- return fdctrl;
+ return &(DO_UPCAST(fdctrl_isabus_t, busdev, dev)->state);
}
fdctrl_t *fdctrl_init_sysbus(qemu_irq irq, int dma_chann,
@@ -1870,19 +1861,16 @@ fdctrl_t *fdctrl_init_sysbus(qemu_irq irq, int dma_chann,
fdctrl_sysbus_t *sys;
dev = qdev_create(NULL, "sysbus-fdc");
+ sys = DO_UPCAST(fdctrl_sysbus_t, busdev.qdev, dev);
+ fdctrl = &sys->state;
+ fdctrl->dma_chann = dma_chann; /* FIXME */
qdev_prop_set_drive(dev, "driveA", fds[0]);
qdev_prop_set_drive(dev, "driveB", fds[1]);
if (qdev_init(dev) != 0)
return NULL;
- sys = DO_UPCAST(fdctrl_sysbus_t, busdev.qdev, dev);
- fdctrl = &sys->state;
sysbus_connect_irq(&sys->busdev, 0, irq);
sysbus_mmio_map(&sys->busdev, 0, mmio_base);
- fdctrl->dma_chann = dma_chann;
- DMA_register_channel(dma_chann, &fdctrl_transfer_handler, fdctrl);
- fdctrl_connect_drives(fdctrl);
-
return fdctrl;
}
@@ -1903,10 +1891,6 @@ fdctrl_t *sun4m_fdctrl_init (qemu_irq irq, target_phys_addr_t io_base,
sysbus_mmio_map(&sys->busdev, 0, io_base);
*fdc_tc = qdev_get_gpio_in(dev, 0);
- fdctrl->dma_chann = -1;
-
- fdctrl_connect_drives(fdctrl);
-
return fdctrl;
}
@@ -1937,6 +1921,10 @@ static int fdctrl_init_common(fdctrl_t *fdctrl)
fdctrl->config = FD_CONFIG_EIS | FD_CONFIG_EFIFO; /* Implicit seek, polling & FIFO enabled */
fdctrl->num_floppies = MAX_FD;
+ if (fdctrl->dma_chann != -1)
+ DMA_register_channel(fdctrl->dma_chann, &fdctrl_transfer_handler, fdctrl);
+ fdctrl_connect_drives(fdctrl);
+
fdctrl_external_reset(fdctrl);
vmstate_register(-1, &vmstate_fdc, fdctrl);
qemu_register_reset(fdctrl_external_reset, fdctrl);
@@ -1949,6 +1937,7 @@ static int isabus_fdc_init1(ISADevice *dev)
fdctrl_t *fdctrl = &isa->state;
int iobase = 0x3f0;
int isairq = 6;
+ int dma_chann = 2;
register_ioport_read(iobase + 0x01, 5, 1,
&fdctrl_read_port, fdctrl);
@@ -1959,6 +1948,7 @@ static int isabus_fdc_init1(ISADevice *dev)
register_ioport_write(iobase + 0x07, 1, 1,
&fdctrl_write_port, fdctrl);
isa_init_irq(&isa->busdev, &fdctrl->irq, isairq);
+ fdctrl->dma_chann = dma_chann;
return fdctrl_init_common(fdctrl);
}
@@ -1972,6 +1962,7 @@ static int sysbus_fdc_init1(SysBusDevice *dev)
sysbus_init_mmio(dev, 0x08, io);
sysbus_init_irq(dev, &fdctrl->irq);
qdev_init_gpio_in(&dev->qdev, fdctrl_handle_tc, 1);
+ fdctrl->dma_chann = -1;
return fdctrl_init_common(fdctrl);
}