ARM: PL011: add DMA burst threshold support for ST variants

[mv-sheeva.git] / include / linux / amba / serial.h

diff --git a/include/linux/amba/serial.h b/include/linux/amba/serial.h
index 577f22eb922525250d3f5460c3cd9521a5cbd8ff..5479fdc849e9432d9b162c399205c59faf8250c6 100644 (file)
--- a/include/linux/amba/serial.h
+++ b/include/linux/amba/serial.h
@@ -113,6 +113,21 @@
 #define UART01x_LCRH_PEN       0x02
 #define UART01x_LCRH_BRK       0x01
 
+#define ST_UART011_DMAWM_RX_1  (0 << 3)
+#define ST_UART011_DMAWM_RX_2  (1 << 3)
+#define ST_UART011_DMAWM_RX_4  (2 << 3)
+#define ST_UART011_DMAWM_RX_8  (3 << 3)
+#define ST_UART011_DMAWM_RX_16 (4 << 3)
+#define ST_UART011_DMAWM_RX_32 (5 << 3)
+#define ST_UART011_DMAWM_RX_48 (6 << 3)
+#define ST_UART011_DMAWM_TX_1  0
+#define ST_UART011_DMAWM_TX_2  1
+#define ST_UART011_DMAWM_TX_4  2
+#define ST_UART011_DMAWM_TX_8  3
+#define ST_UART011_DMAWM_TX_16 4
+#define ST_UART011_DMAWM_TX_32 5
+#define ST_UART011_DMAWM_TX_48 6
+
 #define UART010_IIR_RTIS       0x08
 #define UART010_IIR_TIS                0x04
 #define UART010_IIR_RIS                0x02