These changes are the raw update to qemu-2.6.

[kvmfornfv.git] / qemu / include / hw / misc / bcm2835_mbox_defs.h

diff --git a/qemu/include/hw/misc/bcm2835_mbox_defs.h b/qemu/include/hw/misc/bcm2835_mbox_defs.h
new file mode 100644 (file)
index 0000000..a18e520
--- /dev/null
+++ b/qemu/include/hw/misc/bcm2835_mbox_defs.h
@@ -0,0 +1,27 @@
+/*
+ * Raspberry Pi emulation (c) 2012 Gregory Estrade
+ * This code is licensed under the GNU GPLv2 and later.
+ */
+
+#ifndef BCM2835_MBOX_DEFS_H
+#define BCM2835_MBOX_DEFS_H
+
+/* Constants shared with the ARM identifying separate mailbox channels */
+#define MBOX_CHAN_POWER    0 /* for use by the power management interface */
+#define MBOX_CHAN_FB       1 /* for use by the frame buffer */
+#define MBOX_CHAN_VCHIQ    3 /* for use by the VCHIQ interface */
+#define MBOX_CHAN_PROPERTY 8 /* for use by the property channel */
+#define MBOX_CHAN_COUNT    9
+
+#define MBOX_SIZE          32
+#define MBOX_INVALID_DATA  0x0f
+
+/* Layout of the private address space used for communication between
+ * the mbox device emulation, and child devices: each channel occupies
+ * 16 bytes of address space, but only two registers are presently defined.
+ */
+#define MBOX_AS_CHAN_SHIFT 4
+#define MBOX_AS_DATA       0 /* request / response data (RW at offset 0) */
+#define MBOX_AS_PENDING    4 /* pending response status (RO at offset 4) */
+
+#endif /* BCM2835_MBOX_DEFS_H */