hw/q35: fix floppy controller definition in ich9

In DSDT FDC0 declares the IO region as IO(Decode16, 0x03F2, 0x03F2, 0x00, 0x04).
Use the same in lpc_ich9 initialization code.
Now the floppy drive is detected correctly on Windows.

Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

diff --git a/hw/isa/lpc_ich9.c b/hw/isa/lpc_ich9.c
index dba758595f001614c1abe35ab330165a5654732a..bc9afc60ab8117b01b02a6a76c08fd76cd1e9d8a 100644 (file)
--- a/hw/isa/lpc_ich9.c
+++ b/hw/isa/lpc_ich9.c
@@ -494,7 +494,7 @@ static void ich9_lpc_machine_ready(Notifier *n, void *opaque)
         /* lpt */
         pci_conf[0x82] |= 0x04;
     }
-    if (memory_region_present(io_as, 0x3f0)) {
+    if (memory_region_present(io_as, 0x3f2)) {
         /* floppy */
         pci_conf[0x82] |= 0x08;
     }