1 /*
2  * UART Masks
3  */
4 
5 #ifndef __BFIN_PERIPHERAL_UART__
6 #define __BFIN_PERIPHERAL_UART__
7 
8 /* UARTx_LCR Masks */
9 #define WLS			0x03	/* Word Length Select */
10 #define WLS_5			0x00	/* 5 bit word */
11 #define WLS_6			0x01	/* 6 bit word */
12 #define WLS_7			0x02	/* 7 bit word */
13 #define WLS_8			0x03	/* 8 bit word */
14 #define STB			0x04	/* Stop Bits */
15 #define PEN			0x08	/* Parity Enable */
16 #define EPS			0x10	/* Even Parity Select */
17 #define STP			0x20	/* Stick Parity */
18 #define SB			0x40	/* Set Break */
19 #define DLAB			0x80	/* Divisor Latch Access */
20 
21 #define DLAB_P			0x07
22 #define SB_P			0x06
23 #define STP_P			0x05
24 #define EPS_P			0x04
25 #define PEN_P			0x03
26 #define STB_P			0x02
27 #define WLS_P1			0x01
28 #define WLS_P0			0x00
29 
30 /* UARTx_MCR Mask */
31 #define XOFF			0x01	/* Transmitter off */
32 #define MRTS			0x02	/* Manual Request to Send */
33 #define RFIT			0x04	/* Receive FIFO IRQ Threshold */
34 #define RFRT			0x08	/* Receive FIFO RTS Threshold */
35 #define LOOP_ENA		0x10	/* Loopback Mode Enable */
36 #define FCPOL			0x20	/* Flow Control Pin Polarity */
37 #define ARTS			0x40	/* Auto RTS generation for RX handshake */
38 #define ACTS			0x80	/* Auto CTS operation for TX handshake */
39 
40 #define XOFF_P			0
41 #define MRTS_P			1
42 #define RFIT_P			2
43 #define RFRT_P			3
44 #define LOOP_ENA_P		4
45 #define FCPOL_P			5
46 #define ARTS_P			6
47 #define ACTS_P			7
48 
49 /* UARTx_LSR Masks */
50 #define DR			0x01	/* Data Ready */
51 #define OE			0x02	/* Overrun Error */
52 #define PE			0x04	/* Parity Error */
53 #define FE			0x08	/* Framing Error */
54 #define BI			0x10	/* Break Interrupt */
55 #define THRE			0x20	/* THR Empty */
56 #define TEMT			0x40	/* TSR and UART_THR Empty */
57 
58 #define DR_P			0x00
59 #define OE_P			0x01
60 #define PE_P			0x02
61 #define FE_P			0x03
62 #define BI_P			0x04
63 #define THRE_P			0x05
64 #define TEMT_P			0x06
65 
66 /* UARTx_IER Masks */
67 #define ERBFI			0x01	/* Enable Receive Buffer Full Interrupt */
68 #define ETBEI			0x02	/* Enable Transmit Buffer Empty Interrupt */
69 #define ELSI			0x04	/* Enable RX Status Interrupt */
70 
71 #define ERBFI_P			0x00
72 #define ETBEI_P			0x01
73 #define ELSI_P			0x02
74 
75 /* UARTx_IIR Masks */
76 #define NINT			0x01	/* Pending Interrupt */
77 #define STATUS			0x06	/* Highest Priority Pending Interrupt */
78 
79 #define NINT_P			0x00
80 #define STATUS_P0		0x01
81 #define STATUS_P1		0x02
82 
83 /* UARTx_GCTL Masks */
84 #define UCEN			0x01	/* Enable UARTx Clocks */
85 #define IREN			0x02	/* Enable IrDA Mode */
86 #define TPOLC			0x04	/* IrDA TX Polarity Change */
87 #define RPOLC			0x08	/* IrDA RX Polarity Change */
88 #define FPE			0x10	/* Force Parity Error On Transmit */
89 #define FFE			0x20	/* Force Framing Error On Transmit */
90 
91 #define UCEN_P			0x00
92 #define IREN_P			0x01
93 #define TPOLC_P			0x02
94 #define RPOLC_P			0x03
95 #define FPE_P			0x04
96 #define FFE_P			0x05
97 
98 #endif
99