sparc64: disable floppy DMA

All functions relative to DMA (DMA_*() functions) are stubs on sparc64 platform.
Disable the DMA of the floppy controller, instead of calling these stubs.
Signed-off-by: NHervé Poussineau <hpoussin@reactos.org>
Message-id: 1453843944-26833-15-git-send-email-hpoussin@reactos.org
Signed-off-by: NJohn Snow <jsnow@redhat.com>

hw/sparc64/sun4u.c

@@ -816,6 +816,7 @@ static void sun4uv_init(MemoryRegion *address_space_mem,
     qemu_irq *ivec_irqs, *pbm_irqs;
     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
     DriveInfo *fd[MAX_FD];
+    DeviceState *dev;
     FWCfgState *fw_cfg;
 
     /* init CPUs */
@@ -852,10 +853,22 @@ static void sun4uv_init(MemoryRegion *address_space_mem,
     pci_cmd646_ide_init(pci_bus, hd, 1);
 
     isa_create_simple(isa_bus, "i8042");
+
+    /* Floppy */
     for(i = 0; i < MAX_FD; i++) {
         fd[i] = drive_get(IF_FLOPPY, 0, i);
     }
-    fdctrl_init_isa(isa_bus, fd);
+    dev = DEVICE(isa_create(isa_bus, TYPE_ISA_FDC));
+    if (fd[0]) {
+        qdev_prop_set_drive(dev, "driveA", blk_by_legacy_dinfo(fd[0]),
+                            &error_abort);
+    }
+    if (fd[1]) {
+        qdev_prop_set_drive(dev, "driveB", blk_by_legacy_dinfo(fd[1]),
+                            &error_abort);
+    }
+    qdev_prop_set_uint32(dev, "dma", -1);
+    qdev_init_nofail(dev);
 
     /* Map NVRAM into I/O (ebus) space */
     nvram = m48t59_init(NULL, 0, 0, NVRAM_SIZE, 1968, 59);