1 files changed, 4 insertions, 1 deletions
diff --git a/include/hw/char/pl011.h b/include/hw/char/pl011.h
index dc2c90e..926322e 100644
--- a/include/hw/char/pl011.h
+++ b/include/hw/char/pl011.h
@@ -27,6 +27,9 @@ OBJECT_DECLARE_SIMPLE_TYPE(PL011State, PL011)
 /* This shares the same struct (and cast macro) as the base pl011 device */
 #define TYPE_PL011_LUMINARY "pl011_luminary"
 
+/* Depth of UART FIFO in bytes, when FIFO mode is enabled (else depth == 1) */
+#define PL011_FIFO_DEPTH 16
+
 struct PL011State {
     SysBusDevice parent_obj;
 
@@ -39,7 +42,7 @@ struct PL011State {
     uint32_t dmacr;
     uint32_t int_enabled;
     uint32_t int_level;
-    uint32_t read_fifo[16];
+    uint32_t read_fifo[PL011_FIFO_DEPTH];
     uint32_t ilpr;
     uint32_t ibrd;
     uint32_t fbrd;