diff mbox series

[v5,20/20] q800: configure nubus available slots for Quadra 800

Message ID 20210923091308.13832-21-mark.cave-ayland@ilande.co.uk
State New
Headers show
Series nubus: bus, device, bridge, IRQ and address space improvements | expand

Commit Message

Mark Cave-Ayland Sept. 23, 2021, 9:13 a.m. UTC 
Slot 0x9 is reserved for use by the in-built framebuffer whilst only slots
0xc, 0xd and 0xe physically exist on the Quadra 800.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
---
 hw/m68k/q800.c | 9 +++++++++
 1 file changed, 9 insertions(+)
diff mbox series

Patch

diff --git a/hw/m68k/q800.c b/hw/m68k/q800.c
index 5bc9df58a0..09b3366024 100644
--- a/hw/m68k/q800.c
+++ b/hw/m68k/q800.c
@@ -78,6 +78,13 @@ 
 
 #define MAC_CLOCK  3686418
 
+/*
+ * Slot 0x9 is reserved for use by the in-built framebuffer whilst only
+ * slots 0xc, 0xd and 0xe physically exist on the Quadra 800
+ */
+#define Q800_NUBUS_SLOTS_AVAILABLE    (BIT(0x9) | BIT(0xc) | BIT(0xd) | \
+                                       BIT(0xe))
+
 /*
  * The GLUE (General Logic Unit) is an Apple custom integrated circuit chip
  * that performs a variety of functions (RAM management, clock generation, ...).
@@ -392,6 +399,8 @@  static void q800_init(MachineState *machine)
     /* NuBus */
 
     dev = qdev_new(TYPE_MAC_NUBUS_BRIDGE);
+    qdev_prop_set_uint32(dev, "slot-available-mask",
+                         Q800_NUBUS_SLOTS_AVAILABLE);
     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0,
                     MAC_NUBUS_FIRST_SLOT * NUBUS_SUPER_SLOT_SIZE);